/* ==========================================================================
   全站與容器自訂捲軸
   ========================================================================== */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--tf-surface-overlay) var(--tf-surface-sunken);
    box-sizing: border-box; 
    font-family: var(--tf-font-family); 
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--tf-surface-sunken); }
::-webkit-scrollbar-thumb {
    background: var(--tf-surface-overlay);
    border-radius: var(--tf-radius-sm);
    border: 1px solid var(--tf-border-subtle);
}
::-webkit-scrollbar-thumb:hover { background: var(--tf-text-disabled); }

/* ==========================================================================
   1. 全局版面
   ========================================================================== */
body { 
    background-color: var(--tf-bg-app);
    color: var(--tf-text-primary); 
    margin: 0; 
    padding: 20px; 
    display: flex; 
    justify-content: center; 
    min-height: 100vh;
}

.app-layout {
    display: flex;
    width: 100%;
    max-width: 1650px;
    gap: 16px;
    position: relative;
    align-items: flex-start;
}

.main-content { 
    flex: 1; 
    display: flex; 
    flex-direction: column; 
    gap: 12px; 
    min-width: 0;
    overflow: hidden; 
}

.app-view { 
    display: none !important; 
    flex-direction: column; 
    gap: 12px; 
    animation: fadeIn 0.15s ease;
}
.app-view.active { display: flex !important; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(2px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   2. 左側固定導航列
   ========================================================================== */
.tf-global-sidebar {
    width: 200px;
    height: calc(100vh - 40px);
    position: sticky;
    top: 20px;
    background: var(--tf-surface-sunken);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-xl);
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    flex-shrink: 0;
    box-shadow: var(--tf-shadow-sm);
    box-sizing: border-box;
    z-index: 100;
}

.tf-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 6px 20px 6px;
    flex: none;
}
.tf-logo-icon {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid var(--tf-color-primary);
}
.tf-brand-name {
    font-size: 1.1rem;
    font-weight: var(--tf-weight-semibold);
    color: var(--tf-text-primary);
    letter-spacing: -0.3px;
}

.tf-nav-menu {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.tf-global-sidebar .nav-item {
    display: flex !important;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--tf-radius-md);
    color: var(--tf-text-muted);
    font-size: var(--tf-text-base);
    font-weight: var(--tf-weight-medium);
    cursor: pointer;
    transition: background var(--tf-transition-fast), color var(--tf-transition-fast);
    user-select: none;
}

.tf-global-sidebar .nav-item:hover {
    background: var(--tf-surface-overlay);
    color: var(--tf-text-primary);
}

.tf-global-sidebar .nav-item.active {
    background: var(--tf-color-primary-subtle) !important;
    color: var(--tf-color-primary-light) !important;
    border-left: 2px solid var(--tf-color-primary);
    font-weight: var(--tf-weight-semibold);
}

.tf-global-sidebar .nav-icon {
    font-size: 1.05rem;
    width: 18px;
    display: inline-flex;
    justify-content: center;
}

.tf-sidebar-footer {
    padding-top: 12px;
    border-top: 1px solid var(--tf-border-default);
    flex: none;
}
.tf-btn-quick-add {
    width: 100%;
    background: var(--tf-color-primary);
    color: var(--tf-text-inverse, #ffffff);
    border: 1px solid var(--tf-color-primary-border);
    border-radius: var(--tf-radius-md);
    padding: 7px 0;
    font-size: var(--tf-text-xs);
    font-weight: var(--tf-weight-medium);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    box-shadow: var(--tf-shadow-sm);
    transition: background var(--tf-transition-fast), border-color var(--tf-transition-fast);
}
.tf-btn-quick-add:hover {
    background: var(--tf-color-primary-hover);
    border-color: var(--tf-border-strong);
}

/* ==========================================================================
   3. 規劃視圖 (Plan View)
   ========================================================================== */
.tf-dark-schedule {
    background: var(--tf-surface-sunken);
    border-radius: var(--tf-radius-xl);
    padding: 16px;
    color: var(--tf-text-primary);
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: var(--tf-shadow-sm);
    border: 1px solid var(--tf-border-default);
}

.tf-sched-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.tf-sched-topbar-left, .tf-sched-topbar-right {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.tf-btn-group {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--tf-surface-base);
    padding: 2px 4px;
    border-radius: var(--tf-radius-md);
    border: 1px solid var(--tf-border-subtle);
}

.tf-sem-nav-group {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.tf-sem-step-btn {
    width: 32px;
    height: 32px;
    background: var(--tf-surface-base);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-md);
    color: var(--tf-color-primary-light);
    font-size: 0.72rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background var(--tf-transition-fast), border-color var(--tf-transition-fast), color var(--tf-transition-fast), transform 0.1s ease;
}

.tf-sem-step-btn:hover:not(:disabled) {
    background: var(--tf-surface-overlay);
    border-color: var(--tf-border-strong);
    color: var(--tf-text-primary);
    transform: translateY(-1px);
}

.tf-sem-step-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
    color: var(--tf-text-disabled);
}

.tf-sem-pill-select {
    display: inline-flex;
    align-items: center;
    background: var(--tf-surface-base);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-md);
    padding: 0 10px;
    height: 32px;
}
.tf-sem-dropdown {
    background: transparent;
    border: none;
    color: var(--tf-text-primary) !important;
    font-size: var(--tf-text-base);
    font-weight: var(--tf-weight-semibold);
    cursor: pointer;
    outline: none;
    padding: 0;
}
.tf-sem-dropdown option { background: var(--tf-surface-base); color: var(--tf-text-primary); }

.tf-view-pills {
    display: inline-flex;
    background: var(--tf-surface-base);
    padding: 2px;
    border-radius: var(--tf-radius-md);
    border: 1px solid var(--tf-border-default);
    height: 32px;
    align-items: center;
}
.tf-pill-btn {
    background: transparent;
    border: none;
    color: var(--tf-text-muted);
    font-size: var(--tf-text-xs);
    font-weight: var(--tf-weight-medium);
    padding: 4px 10px;
    border-radius: var(--tf-radius-sm);
    cursor: pointer;
    transition: background var(--tf-transition-fast), color var(--tf-transition-fast);
}
.tf-pill-btn.active {
    background: var(--tf-color-primary);
    color: var(--tf-text-inverse, #ffffff);
    font-weight: var(--tf-weight-semibold);
}

.options-pills { display: flex; align-items: center; gap: 4px; }
.toggle-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    font-size: var(--tf-text-xs);
    font-weight: var(--tf-weight-medium);
    color: var(--tf-text-muted);
    background: var(--tf-surface-base);
    padding: 0 8px;
    height: 32px;
    border-radius: var(--tf-radius-md);
    border: 1px solid var(--tf-border-default);
}
.toggle-pill:has(input:checked) {
    background: var(--tf-color-primary-subtle);
    color: var(--tf-color-primary-light);
    border-color: var(--tf-color-primary-border);
    font-weight: var(--tf-weight-semibold);
}
.toggle-pill input { display: none; }

.tf-btn-action {
    border-radius: var(--tf-radius-md);
    height: 30px;
    padding: 0 10px;
    font-size: var(--tf-text-xs);
    font-weight: var(--tf-weight-semibold) !important;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    white-space: nowrap !important;
    border: 1px solid transparent;
    transition: background var(--tf-transition-fast), border-color var(--tf-transition-fast), transform 0.1s ease;
}
.tf-btn-action:hover {
    transform: translateY(-1px);
}

.tf-btn-tool {
    background: transparent;
    color: var(--tf-text-secondary);
    border-color: transparent;
}
.tf-btn-tool:hover {
    background: var(--tf-surface-overlay);
    color: var(--tf-text-primary);
}

.tf-btn-add { 
    background: var(--tf-surface-base) !important; 
    color: var(--tf-text-primary) !important; 
    border: 1px solid var(--tf-border-default) !important; 
}
.tf-btn-add:hover { 
    background: var(--tf-surface-elevated) !important; 
}

.tf-btn-del { 
    background: var(--tf-status-danger-bg) !important; 
    color: var(--tf-status-danger-light) !important; 
    border: 1px solid var(--tf-status-danger-border) !important; 
}
.tf-btn-del:hover { 
    background: var(--tf-status-danger-border) !important; 
}

.tf-btn-png { 
    background: var(--tf-status-success-bg) !important; 
    color: var(--tf-status-success-light) !important; 
    border: 1px solid var(--tf-status-success-border) !important; 
}
.tf-btn-png:hover { 
    background: var(--tf-status-success-border) !important; 
}

.tf-btn-grade {
    background: var(--tf-color-primary-subtle) !important;
    color: var(--tf-color-primary-light) !important;
    border: 1px solid var(--tf-color-primary-border) !important;
}
.tf-btn-grade:hover {
    background: var(--tf-color-primary) !important;
    color: var(--tf-text-inverse, #ffffff) !important;
}

.tf-conflict-alert {
    background: var(--tf-status-danger-bg);
    border: 1px solid var(--tf-status-danger-border);
    color: var(--tf-status-danger-light);
    padding: 8px 12px;
    border-radius: var(--tf-radius-md);
    font-size: var(--tf-text-sm);
    display: flex;
    align-items: center;
    gap: 6px;
}
.tf-conflict-warn {
    background: var(--tf-status-warning-bg);
    border: 1px solid var(--tf-status-warning-border);
    color: var(--tf-status-warning-light);
    padding: 8px 12px;
    border-radius: var(--tf-radius-md);
    font-size: var(--tf-text-sm);
    display: flex;
    align-items: center;
    gap: 6px;
}

.tf-schedule-main-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 12px;
    align-items: flex-start;
}

.tf-desktop-table-wrapper {
    background: var(--tf-surface-sunken);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-lg);
    padding: 8px;
    overflow-x: auto;
}

.tf-desktop-grid-container {
    display: grid;
    width: 100%;
    background: var(--tf-surface-sunken);
    border-radius: var(--tf-radius-md);
    border: 1px solid var(--tf-border-default);
    box-sizing: border-box;
    position: relative;
    user-select: none;
}

.tf-grid-header {
    background: var(--tf-surface-sunken);
    border-right: 1px solid var(--tf-border-subtle);
    border-bottom: 1px solid var(--tf-border-default);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tf-text-secondary);
    font-size: var(--tf-text-sm);
    font-weight: var(--tf-weight-semibold);
}
.tf-grid-corner { color: var(--tf-text-disabled); font-size: var(--tf-text-xs); }
.th-day-name { font-size: var(--tf-text-sm); font-weight: var(--tf-weight-semibold); color: var(--tf-text-secondary); }

.tf-grid-time-cell {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: var(--tf-surface-sunken);
    border-right: 1px solid var(--tf-border-default);
    border-bottom: 1px solid var(--tf-border-subtle);
    padding: 4px;
}
.tf-grid-time-cell strong { 
    font-size: var(--tf-text-xs); 
    color: var(--tf-text-primary); 
    font-weight: var(--tf-weight-semibold); 
}
.tf-grid-time-cell .time-sub { 
    font-size: 0.65rem; 
    color: var(--tf-text-muted); 
    margin-top: 1px; 
}

.tf-grid-bg-cell { 
    background: var(--tf-surface-base);
    border-right: 1px solid var(--tf-border-subtle); 
    border-bottom: 1px solid var(--tf-border-subtle); 
    cursor: pointer;
    transition: background var(--tf-transition-fast), border-color var(--tf-transition-fast);
}

.tf-grid-bg-cell:hover {
    background: var(--tf-surface-overlay) !important;
}

.tf-grid-bg-cell.drag-hover {
    background: var(--tf-color-primary-subtle) !important;
    border: 1px dashed var(--tf-color-primary) !important;
}

.tf-course-card {
    background: var(--tf-surface-overlay);
    border: 1px solid var(--tf-border-default);
    border-left: 3px solid var(--tf-color-primary);
    border-radius: var(--tf-radius-sm);
    padding: 6px 8px;
    margin: 2px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 3px;
    text-align: left;
    cursor: grab;
    box-shadow: var(--tf-shadow-sm);
    transition: background var(--tf-transition-fast), border-color var(--tf-transition-fast), box-shadow var(--tf-transition-fast);
    z-index: 2;
    overflow: hidden;
}
.tf-course-card:active { cursor: grabbing; }
.tf-course-card:hover {
    background: var(--tf-surface-elevated);
    border-color: var(--tf-border-strong);
    box-shadow: var(--tf-shadow-md);
}

.card-name { 
    font-size: var(--tf-text-sm); 
    font-weight: var(--tf-weight-semibold); 
    color: var(--tf-text-primary); 
    white-space: nowrap; 
    overflow: hidden; 
    text-overflow: ellipsis; 
}
.card-time { 
    font-size: 0.68rem; 
    color: var(--tf-text-muted); 
    font-weight: var(--tf-weight-medium); 
}
.card-meta { 
    font-size: 0.68rem; 
    color: var(--tf-text-secondary); 
    display: flex; 
    gap: 6px; 
    white-space: nowrap; 
    overflow: hidden; 
    text-overflow: ellipsis; 
}

/* 右側面板 */
.tf-schedule-right-panel { display: flex; flex-direction: column; gap: 12px; width: 280px; flex-shrink: 0; }
.tf-wishlist-panel, .tf-storage-panel {
    background: var(--tf-surface-base);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-lg);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.tf-wishlist-panel-header, .tf-storage-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--tf-border-default);
    padding-bottom: 6px;
    font-size: var(--tf-text-base);
    font-weight: var(--tf-weight-semibold);
    color: var(--tf-text-primary);
}
.count-tag { background: var(--tf-color-primary-subtle); color: var(--tf-color-primary-light); font-size: var(--tf-text-xs); font-weight: var(--tf-weight-medium); padding: 1px 5px; border-radius: var(--tf-radius-sm); }
.header-filters { display: flex; gap: 2px; background: var(--tf-surface-sunken); padding: 2px; border-radius: var(--tf-radius-sm); }
.btn-filter-icon { background: transparent; border: none; color: var(--tf-text-disabled); font-size: 0.68rem; font-weight: var(--tf-weight-medium); padding: 2px 6px; border-radius: 4px; cursor: pointer; }
.btn-filter-icon.active { background: var(--tf-surface-overlay); color: var(--tf-text-primary); }

.tf-wishlist-cards-list { display: flex; flex-direction: column; gap: 6px; max-height: 380px; overflow-y: auto; }
.tf-wishlist-card {
    background: var(--tf-surface-overlay);
    border: 1px solid var(--tf-border-subtle);
    border-radius: var(--tf-radius-sm);
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.wishlist-top-row { display: flex; justify-content: space-between; align-items: center; }
.wishlist-course-name { font-size: var(--tf-text-sm); font-weight: var(--tf-weight-semibold); color: var(--tf-text-primary); }
.btn-wishlist-add-mini {
    background: var(--tf-surface-sunken);
    color: var(--tf-color-primary-light);
    border: 1px solid var(--tf-border-default);
    font-size: 0.7rem;
    font-weight: var(--tf-weight-semibold);
    padding: 2px 6px;
    border-radius: var(--tf-radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    white-space: nowrap;
}
.btn-wishlist-add-mini:hover { background: var(--tf-color-primary-subtle); }
.wishlist-meta-text { font-size: 0.72rem; color: var(--tf-text-muted); }
.wishlist-sub-row { display: flex; align-items: center; justify-content: space-between; font-size: 0.68rem; color: var(--tf-text-disabled); margin-top: 1px; }
.btn-wishlist-del-icon { background: transparent; border: none; color: var(--tf-text-disabled); cursor: pointer; font-size: 0.72rem; }
.btn-wishlist-del-icon:hover { color: var(--tf-status-danger-light); }

.tf-storage-actions { 
    display: flex; 
    flex-direction: column; 
    gap: 8px; 
}

.tf-btn-storage { 
    width: 100%; 
    border-radius: var(--tf-radius-md); 
    height: 34px; 
    font-size: var(--tf-text-xs); 
    font-weight: var(--tf-weight-semibold) !important; 
    cursor: pointer; 
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    white-space: nowrap !important;
    transition: background var(--tf-transition-fast), border-color var(--tf-transition-fast), transform 0.1s ease;
}
.tf-btn-storage:hover {
    transform: translateY(-1px);
}

.tf-btn-export { 
    background: var(--tf-status-success-bg) !important; 
    color: var(--tf-status-success-light) !important; 
    border: 1px solid var(--tf-status-success-border) !important; 
}
.tf-btn-export:hover { 
    background: var(--tf-status-success-border) !important; 
}

.tf-btn-import { 
    background: var(--tf-status-warning-bg) !important; 
    color: var(--tf-status-warning-light) !important; 
    border: 1px solid var(--tf-status-warning-border) !important; 
}
.tf-btn-import:hover { 
    background: var(--tf-status-warning-border) !important; 
}

.tf-btn-clear { 
    background: var(--tf-status-danger-bg) !important; 
    color: var(--tf-status-danger-light) !important; 
    border: 1px solid var(--tf-status-danger-border) !important; 
}
.tf-btn-clear:hover { 
    background: var(--tf-status-danger-border) !important; 
}

/* 修課統計條 */
.tf-weekly-stats-strip {
    background: var(--tf-surface-base);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-lg);
    padding: 10px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.stats-title-group { display: flex; align-items: center; gap: 6px; font-size: var(--tf-text-sm); font-weight: var(--tf-weight-semibold); color: var(--tf-text-primary); }
.stats-metrics-group { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.stat-pill { display: flex; align-items: center; gap: 6px; font-size: var(--tf-text-xs); }
.stat-pill .pill-label { color: var(--tf-text-muted); font-weight: var(--tf-weight-regular); }
.stat-pill .pill-val { color: var(--tf-text-primary); font-weight: var(--tf-weight-semibold); }
.stat-pill-highlight .pill-label { color: var(--tf-color-primary-light); font-weight: var(--tf-weight-medium); }
.stat-pill-highlight .pill-val { color: var(--tf-color-primary-light); font-weight: var(--tf-weight-bold); }

/* ==========================================================================
   4. 列表檢視 (Timeline List View)
   ========================================================================== */
.schedule-list-view-wrapper {
    background: var(--tf-surface-base) !important;
    border: 1px solid var(--tf-border-default) !important;
    border-radius: var(--tf-radius-lg);
    padding: 16px;
}
.list-view-timeline { display: flex; flex-direction: column; gap: 16px; }
.list-day-section { display: flex; flex-direction: column; gap: 6px; }
.list-day-header {
    font-size: var(--tf-text-base);
    font-weight: var(--tf-weight-semibold);
    color: var(--tf-color-primary-light) !important;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid var(--tf-border-default) !important;
    padding-bottom: 4px;
}
.list-cards-group { display: flex !important; flex-direction: column !important; gap: 6px !important; width: 100% !important; }
.list-course-row-card {
    display: flex !important;
    align-items: center !important;
    background: var(--tf-surface-overlay) !important;
    border: 1px solid var(--tf-border-subtle) !important;
    border-left: 4px solid var(--tf-color-primary) !important;
    border-radius: var(--tf-radius-md) !important;
    padding: 10px 14px !important;
    cursor: pointer !important;
    transition: background var(--tf-transition-fast) !important;
    gap: 12px !important;
    width: 100% !important;
}
.list-course-row-card:hover { background: var(--tf-surface-elevated) !important; }
.list-card-time-box {
    display: flex !important;
    flex-direction: column !important;
    min-width: 95px !important;
    text-align: left !important;
    border-right: 1px solid var(--tf-border-default) !important;
    padding-right: 10px !important;
}
.list-card-time-box .l-time { font-size: var(--tf-text-sm) !important; font-weight: var(--tf-weight-semibold) !important; color: var(--tf-text-primary) !important; }
.list-card-time-box .l-period { font-size: 0.7rem !important; color: var(--tf-text-muted) !important; font-weight: var(--tf-weight-regular) !important; }
.list-card-main-box { flex: 1 !important; display: flex !important; flex-direction: column !important; gap: 3px !important; text-align: left !important; }
.list-card-main-box .l-name { font-size: var(--tf-text-base) !important; font-weight: var(--tf-weight-semibold) !important; color: var(--tf-text-primary) !important; }
.list-card-main-box .l-meta { font-size: var(--tf-text-xs) !important; color: var(--tf-text-muted) !important; font-weight: var(--tf-weight-regular) !important; display: flex !important; align-items: center !important; gap: 6px !important; }
.l-type-badge { background: var(--tf-color-primary-subtle) !important; color: var(--tf-color-primary-light) !important; border: 1px solid var(--tf-color-primary-border) !important; font-size: 0.68rem !important; padding: 1px 5px !important; border-radius: var(--tf-radius-sm) !important; font-weight: var(--tf-weight-medium) !important; }
.list-card-arrow { color: var(--tf-text-disabled) !important; font-size: 0.85rem !important; display: flex; align-items: center; }

/* ==========================================================================
   5. 找課視圖 (Discover View)
   ========================================================================== */
.tf-dark-discover {
    background: var(--tf-surface-sunken);
    border-radius: var(--tf-radius-xl);
    padding: 16px 20px;
    color: var(--tf-text-primary);
    display: flex;
    flex-direction: column;
    gap: 14px;
    box-shadow: var(--tf-shadow-sm);
    border: 1px solid var(--tf-border-default);
}

.tf-discover-header { display: flex; flex-direction: column; gap: 10px; }
.tf-discover-title { font-size: var(--tf-text-xl); font-weight: var(--tf-weight-semibold); color: var(--tf-text-primary); margin: 0; }
.tf-discover-sub { font-size: var(--tf-text-xs); color: var(--tf-text-muted); margin: 0; }

.tf-search-bar-wrap { position: relative; width: 100%; }
.tf-search-input {
    width: 100%;
    background: var(--tf-surface-base);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-md);
    padding: 8px 36px 8px 12px;
    font-size: var(--tf-text-sm);
    color: var(--tf-text-primary);
    outline: none;
    box-sizing: border-box;
}
.tf-search-input:focus { border-color: var(--tf-color-focus); }
.tf-btn-search-clear {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--tf-text-muted);
    font-size: 0.85rem;
    cursor: pointer;
}

.tf-filter-bar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.tf-filter-group { display: flex; align-items: center; gap: 4px; }
.filter-label { font-size: var(--tf-text-xs); font-weight: var(--tf-weight-medium); color: var(--tf-text-secondary); white-space: nowrap; }
/* 歷年開課規律標籤（例如「每年上學期」） */
.l-offer-badge {
    font-size: 0.65rem;
    color: var(--tf-text-secondary);
    background: var(--tf-surface-overlay);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-sm);
    padding: 0 6px;
    white-space: nowrap;
}

.tf-discover-count-badge { 
    font-size: var(--tf-text-xs) !important; 
    color: var(--tf-color-primary-light) !important; 
    background: var(--tf-color-primary-subtle) !important; 
    padding: 0 8px !important; 
    height: 22px !important;
    border-radius: var(--tf-radius-sm) !important; 
    border: 1px solid var(--tf-color-primary-border) !important; 
    font-weight: var(--tf-weight-medium) !important; 
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-sizing: border-box !important;
    white-space: nowrap !important;
    line-height: 1 !important;
}

.tf-discover-wish-badge {
    font-size: var(--tf-text-xs) !important;
    color: var(--tf-status-warning-light) !important;
    background: var(--tf-status-warning-bg) !important;
    border: 1px solid var(--tf-status-warning-border) !important;
    font-weight: var(--tf-weight-medium) !important;
    padding: 0 8px !important;
    height: 22px !important;
    border-radius: var(--tf-radius-sm) !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 4px !important;
    white-space: nowrap !important;
    cursor: pointer !important;
    box-sizing: border-box !important;
    line-height: 1 !important;
    transition: background var(--tf-transition-fast), border-color var(--tf-transition-fast);
}
.tf-discover-wish-badge:hover {
    background: var(--tf-status-warning-border) !important;
}

.tf-table-responsive-wrapper {
    width: 100%;
    overflow-x: auto;
    background: var(--tf-surface-base);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-lg);
}

.tf-data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--tf-text-sm);
    text-align: left;
}

.tf-data-table th {
    background: var(--tf-surface-sunken);
    color: var(--tf-text-muted);
    font-size: 0.74rem;
    font-weight: var(--tf-weight-semibold);
    padding: 10px 12px;
    border-bottom: 1px solid var(--tf-border-default);
    white-space: nowrap;
    user-select: none;
}

.tf-data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--tf-border-subtle);
    color: var(--tf-text-secondary);
    vertical-align: middle;
}

.tf-table-row {
    cursor: pointer;
    transition: background var(--tf-transition-fast);
}
.tf-table-row:hover { background: var(--tf-surface-overlay); }

.col-name { min-width: 200px; }
.table-course-name-wrap { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.table-course-name { font-weight: var(--tf-weight-semibold); color: var(--tf-text-primary); }
.table-course-code { font-size: 0.7rem; color: var(--tf-text-disabled); font-family: var(--tf-font-mono); }
.table-dept-wrap { display: flex; flex-direction: column; gap: 1px; }
.table-history-sub { font-size: 0.68rem; color: var(--tf-text-disabled); }

.col-dept { min-width: 130px; font-size: var(--tf-text-xs); color: var(--tf-text-muted); }
.col-credit { text-align: center; width: 50px; color: var(--tf-text-primary); }
.col-teacher { min-width: 90px; color: var(--tf-text-primary); }
.col-time { min-width: 140px; font-size: 0.78rem; }
.table-time-wrap { display: flex; flex-direction: column; gap: 1px; }
.table-room-sub { font-size: 0.68rem; color: var(--tf-text-muted); }
.col-assess { max-width: 180px; font-size: 0.72rem; color: var(--tf-text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.col-actions { text-align: right; min-width: 130px; }
.table-action-btns { display: inline-flex; align-items: center; gap: 4px; }
.btn-act-wish { 
    color: var(--tf-text-muted) !important; 
    border: 1px solid transparent !important; 
    padding: 0 8px !important; 
    font-weight: var(--tf-weight-medium);
    white-space: nowrap !important;
}
.btn-act-wish.is-active { 
    color: var(--tf-status-warning-light) !important; 
    background: var(--tf-status-warning-bg) !important; 
    border: 1px solid var(--tf-status-warning-border) !important; 
    font-weight: var(--tf-weight-semibold) !important; 
}
.btn-act-wish.is-active:hover { background: var(--tf-status-warning-border) !important; }
.btn-act-wish:hover { color: var(--tf-status-warning-light) !important; background: var(--tf-status-warning-bg) !important; }

.btn-act-plan {
    background: var(--tf-color-primary) !important;
    color: var(--tf-text-inverse, #ffffff) !important;
    border: 1px solid var(--tf-color-primary-border) !important;
    border-radius: var(--tf-radius-md);
    height: 28px !important;
    padding: 0 10px !important;
    font-size: var(--tf-text-xs) !important;
    font-weight: var(--tf-weight-semibold) !important;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    white-space: nowrap !important;
    transition: background var(--tf-transition-fast);
}
.btn-act-plan:hover { background: var(--tf-color-primary-hover) !important; }

.tf-discover-mobile-list { display: none; flex-direction: column; gap: 8px; width: 100%; }
.tf-discover-mobile-row {
    background: var(--tf-surface-base);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-md);
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    transition: background var(--tf-transition-fast);
}
.tf-discover-mobile-row:active { background: var(--tf-surface-overlay); }
.m-row-top { display: flex; justify-content: space-between; align-items: center; }
.m-row-title-wrap { display: flex; align-items: center; gap: 6px; }
.m-row-title { font-weight: var(--tf-weight-semibold); font-size: var(--tf-text-base); color: var(--tf-text-primary); }

.m-row-meta { font-size: var(--tf-text-xs); color: var(--tf-text-muted); }
.m-row-time { font-size: var(--tf-text-xs); color: var(--tf-text-secondary); display: flex; align-items: center; gap: 4px; margin-top: 2px; }
.m-row-actions { display: flex; justify-content: flex-end; gap: 6px; margin-top: 6px; border-top: 1px solid var(--tf-border-subtle); padding-top: 6px; }

/* ==========================================================================
   6. 畢業檢核視圖 (Graduation View)
   ========================================================================== */
.grad-top-actions-bar {
    background: var(--tf-surface-sunken);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-lg);
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.grad-title-tag { font-size: var(--tf-text-base); font-weight: var(--tf-weight-semibold); color: var(--tf-text-primary); }
.grad-action-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.tf-btn-report-action {
    border: none;
    border-radius: var(--tf-radius-md);
    height: 32px;
    padding: 0 12px;
    font-size: var(--tf-text-xs);
    font-weight: var(--tf-weight-semibold) !important;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    white-space: nowrap !important;
    transition: background var(--tf-transition-fast), border-color var(--tf-transition-fast);
}

.tf-btn-pdf { 
    background: var(--tf-color-primary) !important; 
    color: var(--tf-text-inverse, #ffffff) !important; 
}
.tf-btn-pdf:hover { 
    background: var(--tf-color-primary-hover) !important; 
}

.tf-btn-trend { 
    background: var(--tf-surface-base) !important; 
    color: var(--tf-text-secondary) !important; 
    border: 1px solid var(--tf-border-default) !important; 
}
.tf-btn-trend:hover { 
    background: var(--tf-surface-overlay) !important; 
    color: var(--tf-text-primary) !important; 
    border-color: var(--tf-border-strong) !important; 
}

.modal-move-semester-box {
    background: var(--tf-surface-sunken);
    border-top: 1px solid var(--tf-border-default);
    border-bottom: 1px solid var(--tf-border-default);
    padding: 10px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.progress-board, .grad-checker-board {
    background: var(--tf-surface-sunken);
    border: 1px solid var(--tf-border-default);
    padding: 16px;
    border-radius: var(--tf-radius-xl);
}

.progress-info-row { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    flex-wrap: wrap;
    gap: 8px; 
    margin-bottom: 8px; 
}
.progress-info-left { 
    display: flex; 
    flex-direction: column; 
    align-items: flex-start; 
    gap: 6px; 
    flex: 1; 
    min-width: 260px;
}
.progress-info-right-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.cum-gpa-badge {
    font-size: var(--tf-text-xs);
    font-weight: var(--tf-weight-medium);
    color: var(--tf-color-primary-light);
    background: var(--tf-color-primary-subtle);
    border: 1px solid var(--tf-color-primary-border);
    padding: 3px 10px;
    border-radius: var(--tf-radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.progress-badge { 
    background: var(--tf-color-primary-subtle); 
    color: var(--tf-color-primary-light); 
    border: 1px solid var(--tf-color-primary-border); 
    font-size: var(--tf-text-xs); 
    font-weight: var(--tf-weight-medium); 
    padding: 2px 8px; 
    border-radius: var(--tf-radius-sm); 
}

/* 🌟 進度條文字：彈性保護不被擠碎換行 */
.progress-details-text { 
    font-size: var(--tf-text-xs); 
    font-weight: var(--tf-weight-regular); 
    color: var(--tf-text-secondary); 
    margin-left: 0; 
    line-height: 1.45;
    display: inline-flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 6px;
    white-space: nowrap;
}
.prog-stat-item { white-space: nowrap; }
.prog-stat-divider { color: var(--tf-text-disabled); }

.progress-percent-badge { 
    font-size: var(--tf-text-sm); 
    font-weight: var(--tf-weight-semibold); 
    color: var(--tf-status-success-light); 
    background: var(--tf-status-success-bg); 
    padding: 2px 8px; 
    border-radius: var(--tf-radius-sm); 
    border: 1px solid var(--tf-status-success-border); 
}
.progress-track {
    width: 100%;
    background: var(--tf-border-default);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
}
.progress-fill { background: var(--tf-color-primary); height: 100%; width: 0%; border-radius: 3px; transition: width 0.3s ease; }

.config-toggle-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--tf-surface-base);
    padding: 10px 14px;
    border-radius: var(--tf-radius-md);
    cursor: pointer;
    user-select: none;
    margin-bottom: 10px;
    border: 1px solid var(--tf-border-default);
    color: var(--tf-text-primary);
}
.config-toggle-header span { color: var(--tf-text-primary) !important; }
#deptNameTitle { color: var(--tf-text-secondary) !important; }
.config-collapse-icon { color: var(--tf-text-secondary) !important; }

.config-bar-modern { background: var(--tf-surface-base); border: 1px solid var(--tf-border-subtle); padding: 12px 14px; border-radius: var(--tf-radius-lg); display: flex; flex-direction: column; gap: 10px; overflow: visible; }
.config-bar-modern.collapsed { display: none !important; }
.config-row-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.config-group-tag { font-size: 0.72rem; font-weight: var(--tf-weight-semibold); padding: 3px 6px; border-radius: var(--tf-radius-sm); }
.tag-primary { background: var(--tf-color-primary-subtle); color: var(--tf-color-primary-light); }
.tag-secondary { background: var(--tf-surface-overlay); color: var(--tf-text-secondary); }
.config-pills-wrap { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; flex: 1; }
.cfg-pill { display: inline-flex; align-items: center; gap: 5px; background: var(--tf-surface-overlay); padding: 3px 6px; border-radius: var(--tf-radius-sm); border: 1px solid var(--tf-border-default); }
.cfg-label { font-size: var(--tf-text-xs); font-weight: var(--tf-weight-medium); color: var(--tf-text-muted); }
.text-target { color: var(--tf-status-success-light); }
.text-req { color: var(--tf-status-danger-light); }
.text-req-elec { color: var(--tf-color-primary-light); }
.text-elec { color: var(--tf-status-info-light); }
.text-out { color: var(--tf-status-warning-light); }
.text-lang { color: var(--tf-status-info-light); }
.text-cross { color: var(--tf-color-primary-light); }

.cfg-input-text, .cfg-input-num, .cfg-select { border: 1px solid var(--tf-border-default); border-radius: 4px; padding: 2px 4px; font-size: var(--tf-text-xs); font-weight: var(--tf-weight-medium); color: var(--tf-text-primary); background: var(--tf-surface-sunken); outline: none; }
.cfg-input-num { width: 54px; text-align: center; }
.cfg-input-num:disabled {
    background: transparent !important;
    border-color: transparent !important;
    color: var(--tf-text-primary) !important;
    font-weight: var(--tf-weight-bold);
}
.cfg-pill-check {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--tf-color-primary-subtle);
    border: 1px solid var(--tf-color-primary-border);
    padding: 3px 8px;
    border-radius: var(--tf-radius-sm);
    font-size: var(--tf-text-xs);
    font-weight: var(--tf-weight-medium);
    color: var(--tf-color-primary-light);
    cursor: pointer;
}
.cfg-sub-divider { width: 1px; height: 14px; background: var(--tf-border-default); margin: 0 2px; }
.pill-cross { background: var(--tf-color-primary-subtle); border-color: var(--tf-color-primary-border); }

.general-disclaimer-bar {
    font-size: 0.72rem;
    color: var(--tf-text-muted);
    border-top: 1px dashed var(--tf-border-default);
    padding-top: 8px;
    margin-top: 2px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.grad-sections-wrapper { display: flex; flex-direction: column; gap: 16px; margin-top: 12px; }
.grad-sub-section { display: flex; flex-direction: column; gap: 8px; }
.grad-section-label { font-size: var(--tf-text-base); font-weight: var(--tf-weight-semibold); color: var(--tf-color-primary-light); display: flex; align-items: center; gap: 6px; }

/* 🌟 上半部：專業學分 3 欄 / 4 欄自適應 (一般科系三欄剛好滿版) */
.checker-grid-core { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); 
    gap: 10px; 
}

/* 🌟 下半部：通識教育與校定門檻 (桌機 5 欄佈局，完全等高無多餘拉伸) */
.checker-gen-threshold-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    align-items: stretch;
}

#card-gen-combined {
    grid-column: span 2;
    grid-row: span 2;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    text-align: center;
}

.checker-gen-threshold-grid > .checker-card:not(#card-gen-combined) {
    grid-column: span 1;
    grid-row: span 1;
    min-height: 100px;
}

.checker-card {
    background: var(--tf-surface-base);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-lg);
    padding: 12px;
    text-align: center;
    color: var(--tf-text-primary);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}
.checker-card.passed-status { border-color: var(--tf-status-success-border); background: var(--tf-status-success-bg); }
.checker-card.planned-status { border-color: var(--tf-color-primary-border); background: var(--tf-color-primary-subtle); }
.checker-card.failed-status { border-color: var(--tf-status-danger-border); background: var(--tf-status-danger-bg); }

.checker-card .title {
    font-size: var(--tf-text-xs);
    font-weight: var(--tf-weight-semibold);
    color: var(--tf-text-primary) !important;
    margin-bottom: 6px;
}
.checker-card .score-group { display: flex; flex-direction: column; gap: 2px; font-size: var(--tf-text-base); font-weight: var(--tf-weight-semibold); margin: 6px 0; align-items: center; }
.checker-card .score-group .expected { color: var(--tf-text-muted); font-size: var(--tf-text-xs); }
.checker-card .score-group .actual { color: var(--tf-text-primary); font-size: 1.05rem; }
.checker-card.passed-status .score-group .actual { color: var(--tf-status-success-light); }
.checker-card.failed-status .score-group .actual { color: var(--tf-status-danger-light); }

.checker-card .target {
    font-size: 0.72rem;
    color: var(--tf-text-secondary) !important;
    margin-top: auto;
    border-top: 1px dashed var(--tf-border-default);
    padding-top: 6px;
}

/* 備註與免責卡專用樣式 */
.notice-card {
    background: var(--tf-surface-base) !important;
    border: 1px solid var(--tf-border-default) !important;
    border-top: 3px solid var(--tf-color-primary) !important;
    text-align: left !important;
}
.notice-body-scroll {
    font-size: 0.74rem;
    color: var(--tf-text-secondary);
    line-height: 1.5;
    max-height: 95px;
    overflow-y: auto;
    margin: 4px 0;
    padding-right: 2px;
    white-space: pre-line;
}
.notice-footer-disclaimer {
    font-size: 0.68rem;
    color: var(--tf-text-muted);
    border-top: 1px dashed var(--tf-border-default);
    padding-top: 6px;
    margin-top: auto;
}

#elec-sub-info, #cross-sub-info {
    color: var(--tf-text-secondary) !important;
    font-size: 0.72rem !important;
    margin-top: 6px;
    line-height: 1.45;
}

#gen-combined-details {
    font-size: 0.74rem;
    text-align: left;
    background: var(--tf-surface-base);
    padding: 10px;
    border-radius: var(--tf-radius-sm);
    margin-top: 8px;
    line-height: 1.55;
    color: var(--tf-text-secondary);
    border: 1px solid var(--tf-border-default);
}

/* 側邊欄抽屜與彈窗 */
.sidebar { 
    background: var(--tf-surface-sunken); 
    padding: 16px; 
    border-radius: var(--tf-radius-xl); 
    width: 300px; 
    flex-shrink: 0; 
    overflow-y: auto;
    transition: transform var(--tf-transition-fast), opacity var(--tf-transition-fast);
}
body:not(.sidebar-open) .sidebar { width: 0; padding: 0; margin-right: -16px; opacity: 0; pointer-events: none; }
.sidebar-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; border-bottom: 1px solid var(--tf-border-default); padding-bottom: 6px; }
.editor-main-title { font-size: var(--tf-text-lg); font-weight: var(--tf-weight-semibold); color: var(--tf-text-primary); margin: 0; }
.sidebar-close-btn { background: var(--tf-surface-base); border: 1px solid var(--tf-border-default); font-size: 1rem; color: var(--tf-text-muted); cursor: pointer; padding: 4px 10px; border-radius: var(--tf-radius-sm); }
.sidebar-toggle { display: none !important; }

.editor-card { background: var(--tf-surface-base); border: 1px solid var(--tf-border-default); border-radius: var(--tf-radius-lg); padding: 10px 12px; }
.field-label { display: block; font-size: var(--tf-text-xs); font-weight: var(--tf-weight-medium); color: var(--tf-text-secondary); margin-bottom: 4px; }
.required-star { color: var(--tf-status-danger-light); font-weight: bold; }
.modern-input, .modern-select, .modern-textarea { width: 100%; padding: 6px 8px; border: 1px solid var(--tf-border-default); border-radius: var(--tf-radius-md); font-size: var(--tf-text-sm); color: var(--tf-text-primary); background: var(--tf-surface-overlay); outline: none; box-sizing: border-box; }
.modern-input:focus, .modern-select:focus, .modern-textarea:focus { border-color: var(--tf-color-focus); }
.form-row-2 { display: flex; gap: 6px; }
.form-row-2 > div { flex: 1; min-width: 0; }

.editor-section-header { display: flex; justify-content: space-between; align-items: center; margin-top: 4px; }
.section-title-badge { font-size: var(--tf-text-xs); font-weight: var(--tf-weight-semibold); color: var(--tf-color-primary-light); }
.btn-add-slot-pill { background: var(--tf-color-primary-subtle); color: var(--tf-color-primary-light); border: 1px solid var(--tf-color-primary-border); border-radius: var(--tf-radius-sm); padding: 2px 6px; font-size: 0.7rem; font-weight: var(--tf-weight-semibold); cursor: pointer; }
.slot-cards-container { display: flex; flex-direction: column; gap: 6px; }
.slot-item-card { background: var(--tf-surface-overlay); border: 1px solid var(--tf-border-default); border-radius: var(--tf-radius-md); padding: 8px; display: flex; flex-direction: column; gap: 6px; position: relative; }
.weekday-pills-row { display: flex; gap: 3px; justify-content: space-between; }
.weekday-pill-btn { flex: 1; border: 1px solid var(--tf-border-default); background: var(--tf-surface-sunken); color: var(--tf-text-muted); border-radius: var(--tf-radius-sm); padding: 4px 0; font-size: 0.72rem; font-weight: var(--tf-weight-medium); cursor: pointer; text-align: center; }
.weekday-pill-btn.active { background: var(--tf-color-primary); color: var(--tf-text-inverse, #ffffff); border-color: transparent; }
.slot-time-range-row { display: flex; align-items: center; gap: 4px; }
.range-separator { font-weight: var(--tf-weight-medium); color: var(--tf-text-muted); font-size: var(--tf-text-xs); }
.btn-del-slot-card { position: absolute; top: 4px; right: 4px; background: var(--tf-status-danger-bg); color: var(--tf-status-danger-light); border: none; border-radius: 3px; width: 18px; height: 18px; cursor: pointer; font-size: 0.7rem; display: flex; align-items: center; justify-content: center; }

.color-palette-grid { display: flex; flex-wrap: wrap; gap: 6px; }
.color-swatch-dot { width: 22px; height: 22px; border-radius: 50%; cursor: pointer; border: 2px solid transparent; transition: transform var(--tf-transition-fast); }
.color-swatch-dot.active { border-color: var(--tf-text-primary); transform: scale(1.1); }

.freq-pill-group { display: flex; gap: 3px; background: var(--tf-surface-sunken); padding: 2px; border-radius: var(--tf-radius-md); border: 1px solid var(--tf-border-default); }
.freq-pill-btn { flex: 1; background: transparent; border: none; color: var(--tf-text-muted); font-size: 0.72rem; font-weight: var(--tf-weight-medium); padding: 4px 0; border-radius: var(--tf-radius-sm); cursor: pointer; text-align: center; }
.freq-pill-btn.active { background: var(--tf-color-primary); color: var(--tf-text-inverse, #ffffff); }

.editor-accordion-container { background: var(--tf-surface-base); border-radius: var(--tf-radius-lg); border: 1px solid var(--tf-border-default); overflow: hidden; margin-top: 4px; }
.editor-accordion-header { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; cursor: pointer; }
.editor-accordion-body { padding: 0 12px; max-height: 0; opacity: 0; overflow: hidden; display: flex; flex-direction: column; gap: 8px; transition: max-height 0.2s ease, opacity 0.2s ease; }
.editor-accordion-container.open .editor-accordion-body { max-height: 500px; opacity: 1; padding: 8px 12px 12px 12px; border-top: 1px dashed var(--tf-border-default); }
.checkbox-pill-label { display: flex; align-items: center; gap: 6px; font-size: var(--tf-text-xs); cursor: pointer; }

.editor-actions-footer { display: flex; flex-direction: column; gap: 6px; margin-top: 6px; }
.btn-primary-action { flex: 2; background: var(--tf-color-primary); color: var(--tf-text-inverse, #ffffff); border: none; border-radius: var(--tf-radius-md); height: 34px; font-size: var(--tf-text-sm); font-weight: var(--tf-weight-semibold); cursor: pointer; white-space: nowrap; }
.btn-wishlist-action {
    background: var(--tf-status-warning-bg) !important;
    color: var(--tf-status-warning-light) !important;
    border: 1px solid var(--tf-status-warning-border) !important;
    font-weight: var(--tf-weight-semibold) !important;
    white-space: nowrap;
}
.btn-cancel-action { width: 100%; background: var(--tf-surface-sunken); color: var(--tf-text-muted); border: 1px solid var(--tf-border-default); border-radius: var(--tf-radius-md); height: 32px; font-weight: var(--tf-weight-medium); font-size: var(--tf-text-xs); cursor: pointer; display: none; }

/* 課程彈窗 */
.course-detail-overlay { 
    display: none !important; 
    position: fixed !important; 
    top: 0 !important; 
    left: 0 !important; 
    width: 100vw !important; 
    height: 100vh !important; 
    background: rgba(0, 0, 0, 0.65) !important; 
    backdrop-filter: blur(4px) !important; 
    z-index: 10000 !important; 
    justify-content: center !important; 
    align-items: center !important; 
    padding: 16px; 
    box-sizing: border-box; 
}
.course-detail-overlay.show { display: flex !important; }
.course-detail-card { background: var(--tf-surface-base); border: 1px solid var(--tf-border-strong); color: var(--tf-text-primary); width: 100%; max-width: 440px; border-radius: var(--tf-radius-xl); box-shadow: var(--tf-shadow-modal); overflow: hidden; display: flex; flex-direction: column; }
.course-detail-header { padding: 14px 18px; background: var(--tf-surface-sunken); border-bottom: 1px solid var(--tf-border-default); display: flex; justify-content: space-between; align-items: center; }
.modal-color-bar { width: 4px; height: 16px; border-radius: 2px; display: inline-block; }
.modal-title { margin: 0; font-size: var(--tf-text-lg); color: var(--tf-text-primary); font-weight: var(--tf-weight-semibold); }
.modal-close-btn { background: none; border: none; font-size: 1.3rem; cursor: pointer; color: var(--tf-text-muted); }
.course-detail-body { padding: 16px 18px; display: flex; flex-direction: column; gap: 10px; max-height: 60vh; overflow-y: auto; font-size: var(--tf-text-base); color: var(--tf-text-secondary); }
.detail-row { display: flex; align-items: flex-start; gap: 8px; line-height: 1.4; }
.detail-label { min-width: 65px; color: var(--tf-text-muted); font-weight: var(--tf-weight-medium); font-size: var(--tf-text-sm); }
.detail-val { flex: 1; color: var(--tf-text-primary); font-weight: var(--tf-weight-regular); }
.detail-badge { display: inline-block; padding: 2px 6px; border-radius: var(--tf-radius-sm); font-size: 0.72rem; font-weight: var(--tf-weight-medium); background: var(--tf-surface-overlay); color: var(--tf-text-secondary); border: 1px solid var(--tf-border-default); }
.detail-notes-box { background: var(--tf-surface-sunken); border: 1px solid var(--tf-border-subtle); padding: 8px; border-radius: var(--tf-radius-sm); font-size: var(--tf-text-sm); white-space: pre-wrap; color: var(--tf-text-muted); }
.course-detail-footer { padding: 10px 18px; background: var(--tf-surface-sunken); border-top: 1px solid var(--tf-border-default); display: flex; justify-content: flex-end; gap: 6px; }

/* 報表彈窗 */
.report-overlay { 
    display: none !important; 
    position: fixed !important; 
    top: 0 !important; 
    left: 0 !important; 
    width: 100vw !important; 
    height: 100vh !important; 
    background: rgba(0, 0, 0, 0.7) !important; 
    backdrop-filter: blur(4px) !important; 
    z-index: 10000 !important; 
    justify-content: center !important; 
    align-items: center !important; 
    padding: 16px; 
    box-sizing: border-box; 
}
.report-overlay.show { display: flex !important; }
.report-container { background: var(--tf-surface-base); width: 100%; max-width: 920px; height: 88vh; border-radius: var(--tf-radius-xl); display: flex; flex-direction: column; overflow: hidden; box-shadow: var(--tf-shadow-modal); border: 1px solid var(--tf-border-strong); color: var(--tf-text-primary); }
.report-header-ui { background: var(--tf-surface-sunken); padding: 12px 18px; border-bottom: 1px solid var(--tf-border-default); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.report-header-ui h3 { margin: 0; color: var(--tf-text-primary); font-size: var(--tf-text-base); font-weight: var(--tf-weight-semibold); }
#reportFormatSelect { background: var(--tf-surface-overlay) !important; border: 1px solid var(--tf-border-default) !important; color: var(--tf-text-primary) !important; border-radius: var(--tf-radius-md); padding: 5px 8px; font-size: var(--tf-text-sm); font-weight: var(--tf-weight-medium); outline: none; }
.btn-print { background: var(--tf-color-primary) !important; color: var(--tf-text-inverse, #ffffff) !important; border: none !important; height: 32px; padding: 0 14px !important; border-radius: var(--tf-radius-md) !important; font-weight: var(--tf-weight-semibold) !important; font-size: var(--tf-text-xs) !important; cursor: pointer !important; }
.report-content { flex: 1; overflow-y: auto; padding: 32px; background: var(--tf-bg-app); color: var(--tf-text-primary); }
.report-title { text-align: center; font-size: 1.5rem; font-weight: var(--tf-weight-semibold); color: var(--tf-text-primary); margin-bottom: 4px; }
.report-subtitle { text-align: center; font-size: var(--tf-text-base); margin-bottom: 20px; color: var(--tf-text-muted); font-weight: var(--tf-weight-medium); }
.student-info { display: flex; justify-content: space-between; border-bottom: 1px solid var(--tf-border-strong); padding-bottom: 8px; margin-bottom: 20px; font-weight: var(--tf-weight-semibold); font-size: var(--tf-text-sm); color: var(--tf-text-primary); }
.report-section { margin-bottom: 24px; }
.report-section h3 { font-size: var(--tf-text-base); border-left: 3px solid var(--tf-color-primary); padding-left: 8px; margin-bottom: 10px; color: var(--tf-color-primary-light); font-weight: var(--tf-weight-semibold); }
.report-table { width: 100%; border-collapse: collapse; margin-bottom: 10px; font-size: var(--tf-text-sm); }
.report-table th, .report-table td { border: 1px solid var(--tf-border-default); padding: 8px 10px; text-align: center; }
.report-table th { background-color: var(--tf-surface-overlay); font-weight: var(--tf-weight-semibold); color: var(--tf-text-primary); }
.report-table td { background-color: var(--tf-surface-base); color: var(--tf-text-secondary); }
.table-summary { text-align: right; font-weight: var(--tf-weight-semibold); font-size: var(--tf-text-sm); color: var(--tf-text-secondary); margin-bottom: 12px; }

/* 趨勢圖 Drawer */
.drawer-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0, 0, 0, 0.5); z-index: 1999; opacity: 0; pointer-events: none; transition: opacity 0.2s ease; }
.drawer-overlay.show { opacity: 1; pointer-events: auto; }
.chart-drawer { position: fixed; top: 0; right: -520px; width: 500px; height: 100vh; background: var(--tf-surface-sunken); border-left: 1px solid var(--tf-border-default); z-index: 2000; transition: right 0.25s cubic-bezier(0.16, 1, 0.3, 1); padding: 20px; display: flex; flex-direction: column; box-sizing: border-box; box-shadow: var(--tf-shadow-lg); }
.chart-drawer.open { right: 0 !important; }
.drawer-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--tf-border-default); padding-bottom: 12px; margin-bottom: 16px; }
.drawer-header h3 { margin: 0; color: var(--tf-text-primary); font-size: var(--tf-text-base); font-weight: var(--tf-weight-semibold); }
.close-drawer-btn { background: var(--tf-surface-base); border: 1px solid var(--tf-border-default); font-size: 1rem; cursor: pointer; color: var(--tf-text-muted); padding: 4px 10px; border-radius: var(--tf-radius-sm); }
.drawer-body { flex: 1; position: relative; min-height: 320px; background: var(--tf-surface-base); border-radius: var(--tf-radius-lg); padding: 12px; border: 1px solid var(--tf-border-subtle); }

.mobile-schedule-wrapper { display: none; }
.mobile-fab { display: none; }

/* 偏好設定彈窗 */
.settings-overlay {
    display: none !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    background: rgba(0, 0, 0, 0.6) !important;
    backdrop-filter: blur(4px) !important;
    z-index: 10000 !important;
    justify-content: center !important;
    align-items: center !important;
    opacity: 0;
    transition: opacity 0.15s ease;
    padding: 16px;
    box-sizing: border-box;
}

.settings-overlay.show { display: flex !important; opacity: 1; }
.settings-modal-card {
    background: var(--tf-surface-base);
    border: 1px solid var(--tf-border-strong);
    color: var(--tf-text-primary);
    width: 100%;
    max-width: 440px;
    border-radius: var(--tf-radius-xl);
    box-shadow: var(--tf-shadow-modal);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.settings-modal-header {
    padding: 14px 18px;
    background: var(--tf-surface-sunken);
    border-bottom: 1px solid var(--tf-border-default);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.settings-modal-title { margin: 0; font-size: var(--tf-text-lg); color: var(--tf-text-primary); font-weight: var(--tf-weight-semibold); }
.settings-modal-body { padding: 18px; display: flex; flex-direction: column; gap: 16px; }
.settings-section { display: flex; flex-direction: column; gap: 10px; }
/* 設定彈窗：色彩主題摺疊樣式 */
.settings-accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    padding: 2px 0;
}

.settings-accordion-arrow {
    font-size: 0.65rem;
    color: var(--tf-text-muted);
    transition: transform 0.2s ease, color 0.2s ease;
}

.settings-accordion-arrow.open {
    transform: rotate(180deg);
    color: var(--tf-color-primary-light);
}

.theme-current-badge {
    font-size: 0.7rem;
    font-weight: var(--tf-weight-semibold);
    color: var(--tf-color-primary-light);
    background: var(--tf-color-primary-subtle);
    border: 1px solid var(--tf-color-primary-border);
    padding: 1px 7px;
    border-radius: var(--tf-radius-sm);
    line-height: 1.3;
}

.settings-accordion-body {
    max-height: 400px;
    opacity: 1;
    overflow: hidden;
    transition: max-height 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease, margin-top 0.2s ease;
    margin-top: 10px;
}

.settings-accordion-body.collapsed {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    pointer-events: none;
}
.settings-label { font-size: var(--tf-text-sm); font-weight: var(--tf-weight-semibold); color: var(--tf-text-primary); }
.theme-switcher-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.theme-opt-btn { display: flex; align-items: center; gap: 10px; background: var(--tf-surface-sunken); border: 1px solid var(--tf-border-default); border-radius: var(--tf-radius-md); padding: 10px 12px; cursor: pointer; color: var(--tf-text-secondary); transition: background var(--tf-transition-fast), border-color var(--tf-transition-fast); }
.theme-opt-btn:hover { background: var(--tf-surface-overlay); border-color: var(--tf-border-strong); color: var(--tf-text-primary); }
.theme-opt-btn.active { background: var(--tf-color-primary-subtle); border-color: var(--tf-color-primary); color: var(--tf-text-primary); font-weight: var(--tf-weight-semibold); }
.theme-color-preview { width: 14px; height: 14px; border-radius: 50%; flex-shrink: 0; }
.theme-opt-text { font-size: var(--tf-text-xs); }

/* ==========================================================================
   7. 平板與中螢幕適配 (Max-width: 1024px)
   ========================================================================== */
/* ==========================================================================
   碩士班畢業檢核 (Master Graduation)
   ========================================================================== */
.grad-panel { display: flex; flex-direction: column; gap: 12px; }
.tf-degree-switch {
    display: inline-flex;
    gap: 2px;
    padding: 2px;
    background: var(--tf-surface-overlay);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-md);
}
.master-card-grid { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.master-card-sub { font-size: 0.68rem; color: var(--tf-text-secondary); margin-top: 4px; line-height: 1.4; text-align: center; }
.master-warn { color: var(--tf-status-danger-light); }
.master-muted { font-size: var(--tf-text-xs); color: var(--tf-text-muted); }
.master-section {
    margin-top: 12px;
    padding: 10px 12px;
    background: var(--tf-surface-overlay);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-md);
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.master-section-title { font-size: var(--tf-text-sm); font-weight: var(--tf-weight-semibold); color: var(--tf-text-primary); }
.master-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: var(--tf-text-sm);
    color: var(--tf-text-secondary);
}
.master-notes { margin: 0; padding-left: 18px; font-size: var(--tf-text-xs); color: var(--tf-text-secondary); line-height: 1.6; }

/* 所別選擇器：顯示全名，可用全名、縮寫或系所代碼搜尋 */
.master-program-pill { position: relative; max-width: 100%; }
.master-program-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    max-width: min(420px, 70vw);
    padding: 2px 8px;
    border: 1px solid var(--tf-border-default);
    border-radius: 4px;
    background: var(--tf-surface-sunken);
    color: var(--tf-text-primary);
    font-size: var(--tf-text-xs);
    font-weight: var(--tf-weight-medium);
    cursor: pointer;
}
.master-program-btn .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.master-program-btn .degree { color: var(--tf-text-muted); white-space: nowrap; }
.master-program-popover {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 60;
    width: min(440px, calc(100vw - 32px));
    max-height: min(420px, 60vh);
    display: flex;
    flex-direction: column;
    background: var(--tf-surface-elevated);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-md);
    box-shadow: var(--tf-shadow-lg);
}
.master-program-popover[hidden] { display: none; }
.master-program-search {
    margin: 8px;
    padding: 6px 8px;
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-sm);
    background: var(--tf-surface-sunken);
    color: var(--tf-text-primary);
    font-size: var(--tf-text-sm);
    outline: none;
}
.master-program-search:focus { border-color: var(--tf-color-primary); }
.master-program-list { overflow-y: auto; padding: 0 4px 6px; }
.master-program-group { padding: 6px 8px 2px; font-size: var(--tf-text-xs); font-weight: var(--tf-weight-semibold); color: var(--tf-text-muted); }
.master-program-option {
    display: flex;
    width: 100%;
    justify-content: space-between;
    align-items: baseline;
    gap: 8px;
    padding: 6px 8px;
    border: none;
    border-radius: var(--tf-radius-sm);
    background: transparent;
    color: var(--tf-text-primary);
    font-size: var(--tf-text-sm);
    text-align: left;
    cursor: pointer;
}
.master-program-option:hover, .master-program-option:focus-visible { background: var(--tf-color-primary-subtle); outline: none; }
.master-program-option.active { color: var(--tf-color-primary); font-weight: var(--tf-weight-semibold); }
.master-program-option .alias { flex-shrink: 0; font-size: var(--tf-text-xs); color: var(--tf-text-muted); }
.master-program-empty { padding: 12px; font-size: var(--tf-text-sm); color: var(--tf-text-muted); text-align: center; }
.master-rule-meta { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; font-size: var(--tf-text-xs); color: var(--tf-text-secondary); }
.master-callout {
    padding: 8px 10px;
    border-radius: var(--tf-radius-sm);
    font-size: var(--tf-text-xs);
    line-height: 1.6;
}
.master-callout.warning { background: var(--tf-status-warning-bg); border: 1px solid var(--tf-status-warning-border); color: var(--tf-text-primary); }
.master-callout.info { background: var(--tf-status-info-bg); border: 1px solid var(--tf-status-info-border); color: var(--tf-text-primary); }
.master-callout ul { margin: 4px 0 0; padding-left: 18px; }

@media (max-width: 1024px) {
    .app-layout { display: block; }

    /* 平板寬度：課程編輯器改為右側抽屜，收合時不佔版面（≤768px 另由下方改為全螢幕） */
    .sidebar {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(400px, 100vw);
        max-height: 100vh;
        border-radius: 0;
        z-index: 5000;
        box-shadow: var(--tf-shadow-lg);
    }
    body:not(.sidebar-open) .sidebar { display: none; }
    body.sidebar-open .sidebar { display: block; margin-right: 0; }
    .tf-global-sidebar { 
        position: fixed; 
        bottom: 0; 
        left: 0; 
        right: 0; 
        top: auto;
        width: 100%; 
        height: auto; 
        border-radius: 0; 
        border: none; 
        border-top: 1px solid var(--tf-border-default); 
        padding: 6px 10px calc(6px + env(safe-area-inset-bottom, 0px)) 10px; 
        flex-direction: row; 
        z-index: 4000; 
        background: var(--tf-surface-sunken);
    }
    .tf-brand, .tf-sidebar-footer { display: none !important; }
    .tf-nav-menu { flex-direction: row; justify-content: space-around; width: 100%; gap: 2px; }
    .tf-global-sidebar .nav-item { flex-direction: column; gap: 2px; padding: 6px 4px; font-size: 0.7rem; text-align: center; border-left: none !important; }
    body { padding-bottom: calc(65px + env(safe-area-inset-bottom, 0px)); }
    .tf-schedule-main-layout { grid-template-columns: 1fr; }
    .tf-schedule-right-panel { width: 100%; }
    .col-assess { display: none; }

    .checker-grid-core {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    #card-notice {
        grid-column: 1 / -1 !important;
    }

    .checker-gen-threshold-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
    #card-gen-combined {
        grid-column: 1 / -1 !important;
        grid-row: auto !important;
    }
}

/* ==========================================================================
   8. 行動版深度適配 (Max-width: 768px)
   ========================================================================== */
@media (max-width: 768px) {
    body { 
        padding: 6px 6px calc(70px + env(safe-area-inset-bottom, 0px)) 6px !important; 
    }

    .sidebar { 
        position: fixed !important; 
        inset: 0 !important; 
        width: 100vw !important; 
        height: 100vh !important; 
        border-radius: 0 !important; 
        z-index: 5000 !important; 
        max-height: 100vh;
        transition: transform 0.25s ease, opacity 0.2s ease !important;
    }
    body:not(.sidebar-open) .sidebar { 
        display: none !important; 
        transform: translateX(100%) !important;
        opacity: 0 !important;
        pointer-events: none !important;
    }
    body.sidebar-open .sidebar { 
        display: block !important; 
        transform: translateX(0) !important;
        opacity: 1 !important;
        pointer-events: auto !important;
    }

    .tf-sched-topbar, .grad-top-actions-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }
    .tf-sched-topbar-left, .tf-sched-topbar-right, .grad-action-btns {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 4px;
    }
    .tf-sem-dropdown { font-size: 0.8rem; }
    .tf-pill-btn, .toggle-pill, .tf-btn-action {
        height: 28px !important;
        font-size: 0.68rem !important;
        padding: 0 7px !important;
    }

    .desktop-schedule-view, .tf-desktop-table-wrapper { display: none !important; }
    .mobile-schedule-wrapper { display: flex; flex-direction: column; width: 100%; flex: 1; }
    
    .mobile-grid-container { 
        display: grid !important; 
        width: 100%; 
        background: var(--tf-surface-sunken); 
        border-radius: var(--tf-radius-md); 
        border: 1px solid var(--tf-border-default); 
        padding: 1px; 
    }
    .mobile-grid-header { 
        text-align: center; 
        font-size: 0.7rem; 
        font-weight: var(--tf-weight-semibold); 
        color: var(--tf-text-secondary); 
        display: flex; 
        align-items: center; 
        justify-content: center; 
        border-bottom: 1px solid var(--tf-border-default); 
        background: var(--tf-surface-sunken); 
        min-height: 28px;
    }
    .mobile-grid-time { 
        display: flex; 
        justify-content: center; 
        align-items: center; 
        font-size: 0.65rem; 
        font-weight: var(--tf-weight-medium); 
        color: var(--tf-text-muted); 
        border-right: 1px solid var(--tf-border-default); 
        border-bottom: 1px solid var(--tf-border-subtle); 
        background: var(--tf-surface-sunken); 
    }
    .mobile-grid-cell { 
        background: var(--tf-surface-base);
        border-right: 1px dashed var(--tf-border-subtle); 
        border-bottom: 1px dashed var(--tf-border-subtle); 
        cursor: pointer;
    }

    .mobile-grid-cell:active {
        background: var(--tf-surface-overlay) !important;
    }
    
    .mobile-course-card { 
        border-radius: var(--tf-radius-sm); 
        padding: 4px 4px !important; 
        display: flex; 
        flex-direction: column; 
        justify-content: flex-start !important;
        align-items: flex-start !important;
        text-align: left !important;
        gap: 2px; 
        font-size: 0.68rem; 
        background: var(--tf-surface-overlay) !important; 
        border: 1px solid var(--tf-border-subtle);
        border-left: 3px solid var(--tf-color-primary) !important; 
        box-shadow: var(--tf-shadow-sm);
        overflow: hidden;
    }
    .mobile-course-name { 
        font-weight: var(--tf-weight-semibold); 
        font-size: 0.65rem !important; 
        color: var(--tf-text-primary); 
        line-height: 1.25;
        text-align: left !important;
        word-break: break-all;
        width: 100%;
    }
    .mobile-course-room,
    .mobile-course-teacher {
        text-align: left !important;
        font-size: 0.58rem;
        color: var(--tf-text-secondary);
        width: 100%;
    }

    /* 手機端：備註卡片橫跨滿版 */
    .checker-grid-core { 
        grid-template-columns: repeat(2, 1fr) !important; 
        gap: 6px !important; 
    }
    #card-notice {
        grid-column: 1 / -1 !important;
    }

    /* 手機端：通識滿版，其餘小卡雙欄緊湊排列 */
    .checker-gen-threshold-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 6px !important;
    }
    #card-gen-combined {
        grid-column: 1 / -1 !important;
        grid-row: auto !important;
    }
    .checker-gen-threshold-grid > .checker-card:not(#card-gen-combined) {
        min-height: 85px !important;
        padding: 8px 6px !important;
    }
    .checker-card .score-group .actual {
        font-size: 0.95rem !important;
    }

    .progress-info-row {
        align-items: flex-start !important;
    }
    .progress-info-left {
        width: 100%;
    }
    .progress-details-text {
        font-size: 0.74rem !important;
        line-height: 1.4 !important;
        margin-top: 4px !important;
        white-space: normal !important;
        flex-wrap: wrap !important;
    }

    .tf-weekly-stats-strip {
        padding: 8px 10px !important;
        margin-bottom: 8px;
    }
    .stats-metrics-group {
        width: 100%;
        display: flex;
        justify-content: space-between;
        gap: 4px;
        padding-right: 48px;
        box-sizing: border-box;
    }
    .mobile-fab {
        width: 40px !important;
        height: 40px !important;
        right: 12px !important;
        bottom: calc(65px + env(safe-area-inset-bottom, 0px) + 8px) !important;
    }

    .tf-table-responsive-wrapper { display: none; }
    .tf-discover-mobile-list { display: flex; }
    .tf-filter-bar { gap: 6px; }

    .chart-drawer {
        width: 100vw;
        right: -100vw;
        padding: 16px;
    }
}

/* 隱私模式：模糊數字，Hover 時單獨浮現 */
.tf-privacy-mode .pill-val,
.tf-privacy-mode .cum-gpa-badge b,
.tf-privacy-mode .batch-score-input,
.tf-privacy-mode .batch-gp-badge,
.tf-privacy-mode .batch-footer-stats-strip b {
    filter: blur(5px);
    transition: filter var(--tf-transition-fast);
    user-select: none;
}
.tf-privacy-mode .pill-val:hover,
.tf-privacy-mode .cum-gpa-badge b:hover {
    filter: blur(0);
}

/* number input 微調按鈕隱藏 */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none !important;
    margin: 0 !important;
}
input[type="number"] {
    -moz-appearance: textfield !important;
    appearance: textfield !important;
}

/* ==========================================================================
   學期成績快速結算 Modal 專屬優化樣式
   ========================================================================== */

.batch-grade-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 18px 8px 18px;
    border-bottom: 1px solid var(--tf-border-subtle);
}

.batch-grade-sem-tag {
    font-size: var(--tf-text-sm);
    font-weight: var(--tf-weight-semibold);
    color: var(--tf-text-primary);
}

.batch-quick-btn {
    background: var(--tf-surface-base);
    color: var(--tf-text-secondary);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-sm);
    padding: 4px 10px;
    font-size: 0.72rem;
    font-weight: var(--tf-weight-medium);
    cursor: pointer;
    transition: background var(--tf-transition-fast), border-color var(--tf-transition-fast), color var(--tf-transition-fast);
}

.batch-quick-btn:hover {
    background: var(--tf-surface-overlay);
    color: var(--tf-text-primary);
    border-color: var(--tf-border-strong);
}

.batch-grade-row-card {
    background: var(--tf-surface-base) !important;
    border: 1px solid var(--tf-border-default) !important;
    border-left: 3px solid var(--tf-color-primary) !important;
    border-radius: var(--tf-radius-md) !important;
    padding: 10px 14px !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    gap: 12px !important;
    transition: background var(--tf-transition-fast), border-color var(--tf-transition-fast);
}

.batch-grade-row-card:hover {
    background: var(--tf-surface-overlay) !important;
}

.batch-course-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    min-width: 0;
}

.batch-course-name {
    font-size: var(--tf-text-sm);
    font-weight: var(--tf-weight-semibold);
    color: var(--tf-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.batch-course-meta-row {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    color: var(--tf-text-muted);
}

.batch-type-pill {
    background: var(--tf-color-primary-subtle);
    color: var(--tf-color-primary-light);
    border: 1px solid var(--tf-color-primary-border);
    padding: 1px 6px;
    border-radius: var(--tf-radius-sm);
    font-size: 0.68rem;
    font-weight: var(--tf-weight-medium);
}

.batch-grade-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.batch-score-input {
    width: 64px !important;
    height: 32px !important;
    text-align: center !important;
    padding: 0 4px !important;
    font-size: var(--tf-text-sm) !important;
    font-weight: var(--tf-weight-bold) !important;
    border-radius: var(--tf-radius-sm) !important;
    border: 1px solid var(--tf-border-default) !important;
    background: var(--tf-surface-sunken) !important;
    color: var(--tf-text-primary) !important;
    outline: none !important;
    box-sizing: border-box !important;
    transition: border-color var(--tf-transition-fast);
}

.batch-score-input:focus {
    border-color: var(--tf-color-focus) !important;
    background: var(--tf-surface-base) !important;
}

.batch-gp-badge {
    min-width: 90px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--tf-radius-sm);
    font-size: 0.75rem;
    font-weight: var(--tf-weight-semibold);
    box-sizing: border-box;
    padding: 0 8px;
    white-space: nowrap;
}

.gp-success {
    background: var(--tf-status-success-bg);
    color: var(--tf-status-success-light);
    border: 1px solid var(--tf-status-success-border);
}

.gp-warning {
    background: var(--tf-status-warning-bg);
    color: var(--tf-status-warning-light);
    border: 1px solid var(--tf-status-warning-border);
}

.gp-danger {
    background: var(--tf-status-danger-bg);
    color: var(--tf-status-danger-light);
    border: 1px solid var(--tf-status-danger-border);
}

.gp-muted {
    background: var(--tf-surface-sunken);
    color: var(--tf-text-disabled);
    border: 1px solid var(--tf-border-subtle);
}

.batch-footer-stats-strip {
    font-size: 0.8rem;
    color: var(--tf-text-secondary);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.batch-footer-stats-strip b {
    color: var(--tf-color-primary-light);
}

.tag-ccep {
    background: var(--tf-color-primary-subtle);
    color: var(--tf-color-primary-light);
    border: 1px solid var(--tf-color-primary-border);
}

.ccep-excluded-tag {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--tf-status-danger-light);
    background: var(--tf-status-danger-bg);
    border: 1px solid var(--tf-status-danger-border);
    padding: 3px 8px;
    border-radius: var(--tf-radius-sm);
    display: inline-flex;
    align-items: center;
}

.tf-card-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.62rem;
    padding: 1px 6px;
    border-radius: var(--tf-radius-sm, 4px);
    font-weight: 600;
    line-height: 1.25;
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.tag-tentative, .tag-rescheduled {
    background: var(--tf-status-warning-bg, rgba(245, 158, 11, 0.15)) !important;
    color: var(--tf-status-warning-light, #f59e0b) !important;
    border: 1px solid var(--tf-status-warning-border, rgba(245, 158, 11, 0.35)) !important;
}

.tf-course-card.tentative {
    border-style: dashed !important;
    opacity: 0.9;
}

/* ==========================================================================
   設定選單與 FAQ Accordion 樣式
   ========================================================================== */

.settings-menu-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.settings-menu-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--tf-surface-sunken);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-md);
    padding: 10px 14px;
    font-size: var(--tf-text-xs);
    font-weight: var(--tf-weight-medium);
    color: var(--tf-text-primary);
    cursor: pointer;
    text-decoration: none;
    transition: background var(--tf-transition-fast), border-color var(--tf-transition-fast);
}

.settings-menu-btn:hover {
    background: var(--tf-surface-overlay);
    border-color: var(--tf-border-strong);
}

.settings-menu-btn .menu-arrow {
    color: var(--tf-text-disabled);
    font-size: 0.9rem;
}

.settings-menu-btn.link-btn {
    color: var(--tf-color-primary-light);
}

.settings-version-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px dashed var(--tf-border-default);
    padding-top: 12px;
    margin-top: 4px;
    font-size: 0.7rem;
    color: var(--tf-text-muted);
}

/* FAQ 專屬卡片與滾動區 */
.faq-modal-card {
    max-width: 580px;
    width: 100%;
}

.faq-scroll-body {
    max-height: 56vh;
    padding: 14px 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tf-accordion-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tf-accordion-item {
    background: var(--tf-surface-sunken);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: border-color var(--tf-transition-fast);
}

.tf-accordion-item:hover {
    border-color: var(--tf-border-strong);
}

.tf-accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 14px;
    user-select: none;
}

.faq-question-title {
    font-size: var(--tf-text-xs);
    font-weight: var(--tf-weight-semibold);
    color: var(--tf-text-primary);
    line-height: 1.4;
}

.tf-accordion-arrow {
    font-size: 0.65rem;
    color: var(--tf-text-muted);
    transition: transform 0.2s ease;
}

.tf-accordion-item.open .tf-accordion-arrow {
    transform: rotate(180deg);
    color: var(--tf-color-primary-light);
}

.tf-accordion-body {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.25s ease, opacity 0.2s ease;
}

.tf-accordion-item.open .tf-accordion-body {
    max-height: 250px;
    opacity: 1;
    border-top: 1px dashed var(--tf-border-subtle);
}

.faq-answer-content {
    padding: 10px 14px 14px 14px;
    font-size: 0.76rem;
    color: var(--tf-text-secondary);
    line-height: 1.6;
}

.faq-answer-content ul {
    margin: 6px 0 0 0;
    padding-left: 18px;
}

.faq-answer-content li {
    margin-bottom: 3px;
}

.faq-footer-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.settings-version-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px dashed var(--tf-border-default);
    padding-top: 12px;
    margin-top: 4px;
    font-size: 0.72rem;
    color: var(--tf-text-muted);
}

.settings-footer-right {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.settings-github-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--tf-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--tf-transition-fast);
}

.settings-github-link:hover {
    color: var(--tf-color-primary-light);
}

.footer-dot {
    color: var(--tf-text-disabled);
}

/* ==========================================================================
   圖片匯出格式選擇卡片樣式
   ========================================================================== */
.export-options-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.export-opt-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--tf-surface-sunken);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-lg);
    padding: 14px;
    text-align: left;
    cursor: pointer;
    transition: background var(--tf-transition-fast), border-color var(--tf-transition-fast), transform 0.1s ease;
}

.export-opt-card:hover {
    background: var(--tf-surface-overlay);
    border-color: var(--tf-color-primary);
    transform: translateY(-1px);
}

.export-opt-icon {
    font-size: 1.6rem;
    flex-shrink: 0;
}

.export-opt-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.export-opt-title {
    font-size: var(--tf-text-sm);
    font-weight: var(--tf-weight-semibold);
    color: var(--tf-text-primary);
}

.export-opt-desc {
    font-size: 0.72rem;
    color: var(--tf-text-muted);
    line-height: 1.45;
}

/* 樣式：乾淨橫向膠囊列 */
.async-course-strip {
    margin-top: 10px;
    background: var(--tf-surface-sunken);
    border: 1px solid var(--tf-border-default);
    border-radius: var(--tf-radius-md);
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.async-course-pill {
    background: var(--tf-surface-base);
    border: 1px solid var(--tf-border-subtle);
    padding: 4px 10px;
    border-radius: var(--tf-radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
/* ==========================================================================
   找課補足按鈕、排程檢查（planning-assist.js）
   ========================================================================== */
.tf-find-slot { margin-top: 6px; text-align: center; }
.tf-find-btn {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 3px 10px;
    border: 1px solid var(--tf-color-primary-border);
    border-radius: var(--tf-radius-full);
    background: var(--tf-color-primary-subtle);
    color: var(--tf-color-primary-light);
    font-size: var(--tf-text-xs);
    font-weight: var(--tf-weight-semibold);
    cursor: pointer;
    white-space: nowrap;
}
.tf-find-btn:hover { background: var(--tf-color-primary); color: #fff; }
.master-row .tf-find-btn { padding: 1px 8px; }
#scheduleCheckPanel:empty { display: none; }
.schedule-check-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.schedule-check-list li { padding-bottom: 8px; border-bottom: 1px dashed var(--tf-border-default); }
.schedule-check-list li:last-child { border-bottom: none; padding-bottom: 0; }
.schedule-check-head { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; font-size: var(--tf-text-sm); color: var(--tf-text-primary); }
.schedule-check-text { margin-top: 3px; font-size: var(--tf-text-xs); color: var(--tf-text-secondary); line-height: 1.5; }
.master-timeline summary { cursor: pointer; display: flex; align-items: center; gap: 6px; list-style: none; }
.master-timeline summary::-webkit-details-marker { display: none; }
.master-timeline summary::before { content: '▸'; color: var(--tf-text-muted); }
.master-timeline[open] summary::before { content: '▾'; }
.master-timeline-list { margin: 4px 0 0; padding-left: 18px; display: flex; flex-direction: column; gap: 8px; }
.master-timeline-list > li { font-size: var(--tf-text-sm); color: var(--tf-text-primary); }
.master-timeline-list ul { margin: 2px 0 0; padding-left: 16px; font-size: var(--tf-text-xs); color: var(--tf-text-secondary); line-height: 1.6; }
.master-timeline-term { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }