/* ============================================================
   Modern UX Overrides for AdminLTE 3.2 / Bootstrap 4
   Academic Workspace — 2026 Refresh
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
    --primary: #4f46e5;
    --primary-light: #818cf8;
    --primary-dark: #3730a3;
    --primary-50: #eef2ff;
    --accent: #06b6d4;
    --surface: #ffffff;
    --surface-alt: #f8fafc;
    --surface-hover: #f1f5f9;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --danger: #ef4444;
    --warning: #f59e0b;
    --success: #10b981;
    --info: #06b6d4;
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.04);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,.08), 0 8px 10px -6px rgba(0,0,0,.04);
    --transition: 0.2s cubic-bezier(.4,0,.2,1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ---- Reduce motion preference ---- */
.ui-reduce-motion * { transition-duration: 0s !important; animation-duration: 0s !important; }

/* ---------- Base ---------- */
body {
    font-family: var(--font) !important;
    background: var(--surface-alt) !important;
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.01em;
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: var(--font) !important;
    letter-spacing: -0.02em;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ============================================================
   SIDEBAR
   ============================================================ */
.main-sidebar {
    background: #1e1b4b !important;
    border-right: none !important;
    box-shadow: var(--shadow-md);
    transition: width var(--transition), margin var(--transition);
}

.main-sidebar .brand-link {
    border-bottom: 1px solid rgba(255,255,255,.08) !important;
    padding: 1rem 1.2rem !important;
    color: #fff !important;
    font-weight: 600;
}

.main-sidebar .brand-link .brand-text {
    font-weight: 600 !important;
    letter-spacing: -0.02em;
}

.main-sidebar .brand-link .brand-image,
.main-sidebar .brand-link i.fas {
    color: var(--primary-light) !important;
}

/* Sidebar nav items */
.sidebar-dark-primary .nav-sidebar > .nav-item > .nav-link {
    color: rgba(255,255,255,.7) !important;
    border-radius: var(--radius-sm) !important;
    margin: 2px 0.75rem !important;
    padding: 0.6rem 0.9rem !important;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition);
}

.sidebar-dark-primary .nav-sidebar > .nav-item > .nav-link:hover {
    background: rgba(255,255,255,.08) !important;
    color: #fff !important;
}

.sidebar-dark-primary .nav-sidebar > .nav-item > .nav-link.active,
.sidebar-dark-primary .nav-sidebar > .nav-item.menu-open > .nav-link {
    background: var(--primary) !important;
    color: #fff !important;
    box-shadow: 0 4px 12px rgba(79,70,229,.3);
}

.sidebar-dark-primary .nav-sidebar > .nav-item > .nav-link.active .nav-icon,
.sidebar-dark-primary .nav-sidebar > .nav-item.menu-open > .nav-link .nav-icon {
    color: #fff !important;
}

.sidebar-dark-primary .nav-sidebar .nav-header {
    color: rgba(255,255,255,.35) !important;
    font-size: 0.65rem !important;
    letter-spacing: 0.1em;
    padding: 1.2rem 1.6rem 0.4rem !important;
    font-weight: 700;
}

.sidebar .nav-icon {
    font-size: 1rem !important;
    width: 1.6rem !important;
    text-align: center;
    margin-right: 0.5rem !important;
}

/* Subject emoji icons in sidebar */
.sidebar .nav-icon[style*="font-style: normal"] {
    font-size: 1.1rem !important;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.main-header.navbar {
    background: var(--surface) !important;
    border-bottom: 1px solid var(--border) !important;
    box-shadow: none !important;
    min-height: 56px;
}

.main-header .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    transition: color var(--transition);
}

.main-header .nav-link:hover {
    color: var(--primary) !important;
}

.main-header .navbar-nav .font-weight-bold {
    color: var(--text) !important;
    font-weight: 700 !important;
}

/* ============================================================
   CONTENT AREA
   ============================================================ */
.content-wrapper {
    background: var(--surface-alt) !important;
}

.content-header h1 {
    font-weight: 800 !important;
    font-size: 1.75rem !important;
    color: var(--text);
    letter-spacing: -0.03em;
}

.content-header .text-muted {
    color: var(--text-secondary) !important;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow-xs) !important;
    transition: box-shadow var(--transition), transform var(--transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-sm) !important;
}

.card-outline {
    border-top-width: 2px !important;
}

.card-header {
    background: var(--surface) !important;
    border-bottom: 1px solid var(--border-light) !important;
    padding: 1rem 1.25rem !important;
}

.card-body {
    padding: 1.25rem !important;
}

.card-footer, .modal-footer {
    background: var(--surface-alt) !important;
    border-top: 1px solid var(--border-light) !important;
}

.card-title {
    font-weight: 700 !important;
    letter-spacing: 0.03em;
}

/* Clickable course cards on dashboard */
.card a.text-decoration-none:hover .card {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md) !important;
}

/* Card color bars (subject pages) */
.card-img-top[class*="bg-"] {
    height: 4px !important;
    border-radius: var(--radius) var(--radius) 0 0;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    border-radius: var(--radius-sm) !important;
    font-weight: 600 !important;
    transition: all var(--transition);
    letter-spacing: -0.01em;
    border-width: 1px;
}

.btn-sm {
    border-radius: 6px !important;
    font-size: 0.8125rem !important;
    padding: 0.35rem 0.85rem !important;
}

.btn-xs {
    border-radius: 6px !important;
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem !important;
}

.btn-primary {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    color: #fff !important;
}

.btn-primary:hover, .btn-primary:focus {
    background: var(--primary-dark) !important;
    border-color: var(--primary-dark) !important;
    box-shadow: 0 4px 12px rgba(79,70,229,.25) !important;
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--primary) !important;
    border-color: var(--primary) !important;
}

.btn-outline-primary:hover {
    background: var(--primary) !important;
    color: #fff !important;
}

.btn-light {
    background: var(--surface) !important;
    border-color: var(--border) !important;
    color: var(--text-secondary) !important;
}

.btn-light:hover {
    background: var(--surface-hover) !important;
    border-color: var(--border) !important;
    color: var(--text) !important;
}

.btn-outline-secondary {
    border-color: var(--border) !important;
    color: var(--text-secondary) !important;
}

.btn-outline-secondary:hover {
    background: var(--surface-hover) !important;
    border-color: var(--border) !important;
    color: var(--text) !important;
}

.btn-danger {
    background: var(--danger) !important;
    border-color: var(--danger) !important;
}

.btn-danger:hover {
    background: #dc2626 !important;
    box-shadow: 0 4px 12px rgba(239,68,68,.25) !important;
}

.btn-success {
    background: var(--success) !important;
    border-color: var(--success) !important;
}

.btn-dark {
    background: var(--text) !important;
    border-color: var(--text) !important;
}

.btn-dark:hover {
    background: #0f172a !important;
}

/* Rounded pill buttons */
.rounded-pill, .btn.rounded-pill {
    border-radius: 999px !important;
}

/* ============================================================
   FORMS
   ============================================================ */
.form-control {
    border-radius: var(--radius-sm) !important;
    border: 1px solid var(--border) !important;
    padding: 0.5rem 0.85rem !important;
    font-size: 0.875rem !important;
    color: var(--text) !important;
    background: var(--surface) !important;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus {
    border-color: var(--primary-light) !important;
    box-shadow: 0 0 0 3px rgba(79,70,229,.1) !important;
    outline: none;
}

.form-control-sm {
    padding: 0.4rem 0.75rem !important;
    font-size: 0.8125rem !important;
    border-radius: 6px !important;
}

.form-control[readonly],
.form-control:disabled {
    background: var(--surface-alt) !important;
    opacity: 0.7;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2364748b'%3e%3cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.6rem center;
    background-size: 1.1rem;
    padding-right: 2.2rem !important;
}

textarea.form-control {
    border-radius: var(--radius-sm) !important;
    resize: vertical;
    min-height: 80px;
}

.form-group label,
label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
}

.form-text, .form-group .text-muted.small,
.form-group small {
    font-size: 0.75rem;
    color: var(--text-muted) !important;
}

.input-group {
    border-radius: var(--radius-sm);
}

.input-group .input-group-text {
    border: 1px solid var(--border) !important;
    background: var(--surface-alt) !important;
    color: var(--text-muted) !important;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm) !important;
    font-size: 0.875rem;
}

.input-group .form-control {
    border-left: none !important;
}

.input-group .form-control:focus {
    border-color: var(--primary-light) !important;
}

.input-group .form-control:focus + .input-group-append .input-group-text,
.input-group .input-group-prepend + .form-control:focus ~ .input-group-text {
    border-color: var(--primary-light) !important;
}

.custom-file-input + .custom-file-label {
    border-radius: var(--radius-sm) !important;
    border: 1px solid var(--border) !important;
    font-size: 0.8125rem;
}

.custom-file-label::after {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0 !important;
    background: var(--primary) !important;
    color: #fff !important;
    border: none !important;
    font-weight: 600;
}

.form-control-file {
    font-size: 0.8125rem;
}

/* Custom check/switch */
.custom-control-input:checked ~ .custom-control-label::before {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* ============================================================
   MODALS
   ============================================================ */
.modal-content {
    border: none !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-lg) !important;
    overflow: hidden;
}

.modal-header {
    background: var(--surface) !important;
    border-bottom: 1px solid var(--border-light) !important;
    padding: 1.25rem 1.5rem !important;
}

.modal-header .modal-title {
    font-weight: 700 !important;
    font-size: 1.1rem;
    color: var(--text);
}

.modal-header .close {
    font-size: 1.25rem;
    color: var(--text-muted);
    opacity: 0.6;
    text-shadow: none;
    transition: opacity var(--transition);
}

.modal-header .close:hover {
    opacity: 1;
    color: var(--text);
}

.modal-body {
    padding: 1.5rem !important;
}

/* Description / markdown content – force long URLs to wrap */
.modal-body .markdown-body,
.modal-body [id$="TaskDescription"],
.modal-body .border.rounded.bg-light {
    overflow-wrap: break-word !important;
    word-break: break-word !important;
}

.modal-body .markdown-body a,
.modal-body [id$="TaskDescription"] a {
    word-break: break-all !important;
    overflow-wrap: anywhere !important;
    color: var(--primary);
}

.modal-footer {
    padding: 1rem 1.5rem !important;
    border-top: 1px solid var(--border-light) !important;
    background: var(--surface-alt) !important;
}

.modal-backdrop.show {
    opacity: 0.3;
}

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
    border-radius: var(--radius) !important;
    border: 1px solid var(--border) !important;
    font-size: 0.875rem;
}

.alert-success {
    background: #ecfdf5 !important;
    border-color: #a7f3d0 !important;
    color: #065f46 !important;
}

.alert-warning {
    background: #fffbeb !important;
    border-color: #fde68a !important;
    color: #92400e !important;
}

.alert-danger {
    background: #fef2f2 !important;
    border-color: #fecaca !important;
    color: #991b1b !important;
}

.alert-info {
    background: #eff6ff !important;
    border-color: #bfdbfe !important;
    color: #1e40af !important;
}

/* ============================================================
   BADGES
   ============================================================ */
.badge {
    font-weight: 600;
    border-radius: 6px;
    padding: 0.3em 0.6em;
    font-size: 0.7rem;
    letter-spacing: 0.02em;
}

.badge-primary {
    background: var(--primary) !important;
}

.badge-secondary {
    background: var(--surface-alt) !important;
    color: var(--text-secondary) !important;
    border: 1px solid var(--border);
}

.badge-success {
    background: #dcfce7 !important;
    color: #166534 !important;
}

.badge-danger {
    background: #fef2f2 !important;
    color: #991b1b !important;
}

.badge-warning {
    background: #fef3c7 !important;
    color: #92400e !important;
}

.badge-info {
    background: #dbeafe !important;
    color: #1e40af !important;
}

.badge-light {
    background: var(--surface-alt) !important;
    color: var(--text-secondary) !important;
    border: 1px solid var(--border) !important;
}

.badge-purple {
    background: #f3e8ff !important;
    color: #6b21a8 !important;
}

/* ============================================================
   LIST GROUPS
   ============================================================ */
.list-group-item {
    border-color: var(--border-light) !important;
    transition: background var(--transition);
}

.list-group-item:hover {
    background: var(--surface-alt);
}

.list-group-item-action:hover {
    background: var(--surface-hover) !important;
}

/* ============================================================
   TABLES
   ============================================================ */
.table {
    font-size: 0.875rem;
}

.table thead th {
    border-bottom: 2px solid var(--border) !important;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--surface-alt);
}

.table td, .table th {
    border-color: var(--border-light) !important;
    padding: 0.75rem 1rem !important;
    vertical-align: middle !important;
}

.table-striped tbody tr:nth-of-type(odd) {
    background: var(--surface-alt);
}

.table-hover tbody tr:hover {
    background: var(--surface-hover) !important;
}

/* ============================================================
   CALLOUTS (Announcements)
   ============================================================ */
.callout {
    border-radius: var(--radius-sm) !important;
    border-left-width: 4px !important;
    background: var(--surface) !important;
    border-top: 1px solid var(--border-light);
    border-right: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    padding: 1rem 1.25rem !important;
}

/* ============================================================
   INFO BOXES (Settings page)
   ============================================================ */
.info-box {
    border-radius: var(--radius) !important;
    border: 1px solid var(--border) !important;
    box-shadow: var(--shadow-xs) !important;
    min-height: auto !important;
    transition: all var(--transition);
}

.info-box:hover {
    box-shadow: var(--shadow-sm) !important;
    transform: translateY(-1px);
}

/* ============================================================
   DROPDOWNS
   ============================================================ */
.dropdown-menu {
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow-md) !important;
    padding: 0.5rem !important;
    animation: dropdownFade 0.15s ease;
}

@keyframes dropdownFade {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.dropdown-item {
    border-radius: 6px !important;
    padding: 0.45rem 0.75rem !important;
    font-size: 0.875rem;
    transition: background var(--transition);
}

.dropdown-item:hover, .dropdown-item:focus {
    background: var(--surface-hover) !important;
}

.dropdown-header {
    font-weight: 700;
    color: var(--text) !important;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.dropdown-divider {
    border-color: var(--border-light) !important;
}

/* ============================================================
   TASK STATUS SELECTS
   ============================================================ */
select.task-status-select {
    border-radius: 6px !important;
    font-size: 0.7rem !important;
    font-weight: 600 !important;
    border: 1px solid var(--border) !important;
    cursor: pointer;
    background-image: none !important;
    padding-right: 0.5rem !important;
    transition: border-color var(--transition), box-shadow var(--transition);
}

select.task-status-select:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.15) !important;
    outline: none;
}

/* Task list item layout */
.task-list .list-group-item {
    transition: background var(--transition), box-shadow var(--transition);
}

.task-list .list-group-item:hover {
    background: var(--surface-alt) !important;
}

.task-list .list-group-item .btn-group .btn {
    padding: 0.2rem 0.5rem;
    border: 1px solid var(--border-light);
    background: var(--surface);
    border-radius: 6px !important;
    transition: all var(--transition);
}

.task-list .list-group-item .btn-group .btn:hover {
    background: var(--surface-hover);
    border-color: var(--border);
}

/* ============================================================
   UPLOAD PROGRESS OVERLAY
   ============================================================ */
.upload-progress-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.upload-progress-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.upload-progress-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2rem 2.5rem;
    text-align: center;
    min-width: 320px;
    max-width: 400px;
    transform: translateY(12px) scale(0.97);
    transition: transform 0.3s ease;
}

.upload-progress-overlay.active .upload-progress-card {
    transform: translateY(0) scale(1);
}

.upload-progress-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
    animation: uploadPulse 1.5s ease-in-out infinite;
}

.upload-progress-icon .text-success,
.upload-progress-icon .text-danger {
    animation: none;
}

@keyframes uploadPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.08); }
}

.upload-progress-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1.25rem;
}

.upload-progress-bar-track {
    height: 8px;
    background: var(--surface-alt);
    border-radius: 99px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.upload-progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light, #818cf8));
    border-radius: 99px;
    transition: width 0.2s ease;
}

.upload-progress-bar-fill.error {
    background: #ef4444;
}

.upload-progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
}

.upload-progress-pct {
    font-variant-numeric: tabular-nums;
    font-family: var(--font-mono, 'SFMono-Regular', Consolas, monospace);
}

/* ============================================================
   COVER PHOTO / HERO (Dashboard)
   ============================================================ */
.content-wrapper .position-relative.w-100.mb-3[style*="height: 120px"] {
    border-radius: var(--radius-lg) !important;
    height: 140px !important;
    overflow: hidden;
}

/* ============================================================
   DUE CHIPS (Dashboard)
   ============================================================ */
.btn.rounded-pill.border {
    border-color: var(--border) !important;
    background: var(--surface) !important;
    font-weight: 600;
}

.btn.rounded-pill.border:hover {
    background: var(--surface-hover) !important;
    transform: translateY(-1px);
}

/* ============================================================
   WEEKLY SNAPSHOT GRID (Dashboard)
   ============================================================ */
.card-body .col.px-1 .d-block.border.rounded {
    border-radius: var(--radius-sm) !important;
    border-color: var(--border) !important;
    transition: all var(--transition);
}

.card-body .col.px-1 .d-block.border.rounded:hover {
    border-color: var(--primary-light) !important;
    background: var(--primary-50) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* ============================================================
   COURSE CARDS (Dashboard Gallery)
   ============================================================ */
.col-md-6.col-lg-4 .card {
    transition: all var(--transition);
}

.col-md-6.col-lg-4 .card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md) !important;
    border-color: var(--primary-light) !important;
}

/* Show delete button on card hover */
.col-md-6.col-lg-4 .card:hover .btn-delete-subject {
    opacity: 1 !important;
}

/* Due stat cards hover */
.col-auto > a[style*="border-radius"] {
    transition: all var(--transition) !important;
}

.col-auto > a[style*="border-radius"]:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Course card hover lift */
.col-md-6.col-lg-4 .card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md) !important;
}

/* Course card color bar */
.col-md-6.col-lg-4 .card .card-img-top {
    height: 5px !important;
}

/* Course card emoji chip */
.col-md-6.col-lg-4 .card .bg-white.rounded.shadow-sm.d-inline-block {
    border-radius: var(--radius-sm) !important;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-xs) !important;
}

/* ============================================================
   SUBJECT PAGE COVER
   ============================================================ */
.content-wrapper > [class*="bg-"][style*="height: 120px"] {
    height: 100px !important;
}

/* ============================================================
   PAGINATION
   ============================================================ */
.page-item .page-link {
    border-radius: 6px !important;
    margin: 0 2px;
    border-color: var(--border) !important;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8125rem;
}

.page-item.active .page-link {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
}

/* ============================================================
   SEARCH PAGE
   ============================================================ */
.search .card-outline {
    border-top-width: 2px !important;
}

/* ============================================================
   LOGIN PAGE OVERRIDES
   ============================================================ */
.login-box .card {
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-lg) !important;
}

.login-box .card-body {
    padding: 2rem !important;
}

.login-logo h2 {
    font-weight: 800 !important;
    letter-spacing: -0.03em;
}

/* ============================================================
   EMPTY STATES
   ============================================================ */
.bg-light.rounded.border,
.text-center.text-muted.small.py-4 {
    border-radius: var(--radius-sm) !important;
    padding: 1.5rem !important;
}

/* ============================================================
   BLINKING INDICATOR
   ============================================================ */
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.blink {
    animation: blink 1.5s ease-in-out infinite;
}

/* ============================================================
   ONGOING CLASS CARD
   ============================================================ */
.card.card-outline.card-primary.shadow-sm.bg-primary {
    border-radius: var(--radius) !important;
    border: none !important;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
}

/* ============================================================
   SCHEDULE PAGE TIMETABLE
   ============================================================ */
.schedule-grid .border {
    border-color: var(--border) !important;
}

/* ============================================================
   CAPSTONE / SUBCOMMITTEE CARDS
   ============================================================ */
.border.rounded.p-3.bg-light.h-100 {
    border-radius: var(--radius-sm) !important;
    border-color: var(--border) !important;
    transition: all var(--transition);
}

.border.rounded.p-3.bg-light.h-100:hover {
    box-shadow: var(--shadow-sm);
}

/* ============================================================
   FILTER BAR (Tasks page)
   ============================================================ */
.row.bg-light.rounded.p-2.border {
    border-radius: var(--radius) !important;
    border-color: var(--border) !important;
    background: var(--surface) !important;
    padding: 1rem !important;
}

/* ============================================================
   FLATPICKR OVERRIDES
   ============================================================ */
.flatpickr-calendar {
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow-lg) !important;
    border: 1px solid var(--border) !important;
}

.flatpickr-day.selected {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.hover-shadow { transition: box-shadow var(--transition), transform var(--transition); }
.hover-shadow:hover { box-shadow: var(--shadow-sm) !important; transform: translateY(-1px); }

.line-through { text-decoration: line-through; }

.font-monospace { font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace !important; }

/* Smooth transitions on content-wrapper when sidebar collapses */
.content-wrapper {
    transition: margin-left var(--transition);
}

/* Better bg-light */
.bg-light {
    background-color: var(--surface-alt) !important;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 767.98px) {
    .content-header h1 {
        font-size: 1.4rem !important;
    }
    
    .card-body {
        padding: 1rem !important;
    }
    
    .modal-body {
        padding: 1.25rem !important;
    }
}

@media (max-width: 576px) {
    .main-header.navbar {
        min-height: 48px;
    }
}

/* ============================================================
   HIGH CONTRAST MODE
   ============================================================ */
.ui-contrast .card {
    border-width: 2px !important;
    border-color: var(--text-secondary) !important;
}

.ui-contrast .btn {
    border-width: 2px !important;
}

.ui-contrast .form-control {
    border-width: 2px !important;
}

/* ============================================================
   PAGE LOAD TRANSITION
   ============================================================ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.content-wrapper {
    opacity: 0;
    animation: fadeIn 0.35s ease-out 0.05s forwards;
}

.content-wrapper .content {
    animation: fadeInUp 0.4s ease-out 0.08s both;
}

.content-wrapper .content-header {
    animation: fadeInUp 0.35s ease-out 0.02s both;
}

/* Stagger dashboard sections */
.content .container-fluid > .row:nth-child(1) { animation: fadeInUp 0.4s ease-out 0.06s both; }
.content .container-fluid > .row:nth-child(2) { animation: fadeInUp 0.4s ease-out 0.12s both; }
.content .container-fluid > .row:nth-child(3) { animation: fadeInUp 0.4s ease-out 0.18s both; }
.content .container-fluid > .row:nth-child(4) { animation: fadeInUp 0.4s ease-out 0.24s both; }
.content .container-fluid > .row:nth-child(5) { animation: fadeInUp 0.4s ease-out 0.30s both; }
.content .container-fluid > .mb-4 { animation: fadeInUp 0.4s ease-out 0.15s both; }

/* Sidebar page transition */
.main-sidebar .nav-sidebar .nav-item {
    animation: fadeIn 0.3s ease-out both;
}
.main-sidebar .nav-sidebar .nav-item:nth-child(1)  { animation-delay: 0.03s; }
.main-sidebar .nav-sidebar .nav-item:nth-child(2)  { animation-delay: 0.06s; }
.main-sidebar .nav-sidebar .nav-item:nth-child(3)  { animation-delay: 0.09s; }
.main-sidebar .nav-sidebar .nav-item:nth-child(4)  { animation-delay: 0.12s; }
.main-sidebar .nav-sidebar .nav-item:nth-child(5)  { animation-delay: 0.15s; }
.main-sidebar .nav-sidebar .nav-item:nth-child(6)  { animation-delay: 0.18s; }
.main-sidebar .nav-sidebar .nav-item:nth-child(7)  { animation-delay: 0.21s; }
.main-sidebar .nav-sidebar .nav-item:nth-child(8)  { animation-delay: 0.24s; }
.main-sidebar .nav-sidebar .nav-item:nth-child(9)  { animation-delay: 0.27s; }
.main-sidebar .nav-sidebar .nav-item:nth-child(10) { animation-delay: 0.30s; }

/* Login box animation */
.login-box {
    animation: fadeInUp 0.4s ease-out;
}

/* Modal entrance */
.modal.fade .modal-dialog {
    transition: transform 0.25s cubic-bezier(.4,0,.2,1), opacity 0.25s ease !important;
}

.modal.fade .modal-content {
    animation: none;
}

.modal.show .modal-dialog {
    transform: none;
}

/* ============================================================
   FORM SUBMISSION STATES
   ============================================================ */
.btn[type="submit"]:active {
    transform: scale(0.97);
}

form .btn[disabled] {
    opacity: 0.65;
    cursor: not-allowed;
}

/* ============================================================
   TOOLTIP-STYLE HELPERS
   ============================================================ */
[title] {
    cursor: help;
}

button[title], a[title], .btn[title] {
    cursor: pointer;
}

/* ============================================================
   SELECTION COLOR
   ============================================================ */
::selection {
    background: rgba(79, 70, 229, 0.15);
    color: var(--text);
}

/* ============================================================
   FOCUS VISIBLE (Keyboard nav)
   ============================================================ */
:focus-visible {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

.btn:focus-visible, .form-control:focus-visible {
    outline: 2px solid var(--primary-light);
    outline-offset: 1px;
}