/* ==============================================================
   ترمیناتور — Modern Design Tokens & Variables
   Palette: Modern Slate, Electric Indigo Accent, Emerald & Saffron
================================================================= */
:root {
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 16px 36px rgba(15, 23, 42, 0.14);

    --nav-height-mobile: 64px;

    --bs-body-font-family: 'Vazirmatn', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 16px;
    --fs-2xs: .75rem;
    --fs-xs: .8125rem;
    --fs-sm: .875rem;
    --fs-base: .9375rem;
    --fs-md: 1.0625rem;
    --fs-lg: 1.25rem;
    --fs-xl: 1.5rem;
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-bold: 700;
    --fw-black: 800;

    /* Light Theme */
    --bs-body-bg: #F8FAFC;
    --bs-body-color: #0F172A;
    --bs-tertiary-bg: #F1F5F9;
    --bs-secondary-bg: #E2E8F0;
    --bs-border-color: #E2E8F0;
    --bs-border-color-translucent: rgba(15, 23, 42, 0.07);
    --bs-secondary-color: #64748B;
    --bs-secondary: #94A3B8;
    --bs-secondary-rgb: 148, 163, 184;

    --bs-primary: #4F46E5;
    --bs-primary-rgb: 79, 70, 229;
    --bs-primary-text-emphasis: #3730A3;
    --bs-primary-bg-subtle: #EEF2FF;
    --bs-primary-border-subtle: #C7D2FE;

    --bs-success: #10B981;
    --bs-success-rgb: 16, 185, 129;
    --bs-success-text-emphasis: #065F46;
    --bs-success-bg-subtle: #ECFDF5;
    --bs-success-border-subtle: #A7F3D0;

    --bs-warning: #F59E0B;
    --bs-warning-rgb: 245, 158, 11;
    --bs-warning-text-emphasis: #92400E;
    --bs-warning-bg-subtle: #FFFBEB;
    --bs-warning-border-subtle: #FDE68A;

    --bs-danger: #EF4444;
    --bs-danger-rgb: 239, 68, 68;
    --bs-danger-text-emphasis: #991B1B;
    --bs-danger-bg-subtle: #FEF2F2;
    --bs-danger-border-subtle: #FECACA;

    --bs-link-color: var(--bs-primary);
    --bs-link-color-rgb: var(--bs-primary-rgb);
    --bs-link-hover-color: var(--bs-primary-text-emphasis);
}

[data-bs-theme="dark"] {
    /* Dark Theme */
    --bs-body-bg: #0B0F19;
    --bs-body-color: #F8FAFC;
    --bs-tertiary-bg: #151D2E;
    --bs-secondary-bg: #1E293B;
    --bs-border-color: #222F43;
    --bs-border-color-translucent: rgba(255, 255, 255, 0.08);
    --bs-secondary-color: #94A3B8;
    --bs-secondary: #64748B;
    --bs-secondary-rgb: 100, 116, 139;

    --bs-primary: #818CF8;
    --bs-primary-rgb: 129, 140, 248;
    --bs-primary-text-emphasis: #C7D2FE;
    --bs-primary-bg-subtle: rgba(79, 70, 229, 0.15);
    --bs-primary-border-subtle: #3730A3;

    --bs-success: #34D399;
    --bs-success-rgb: 52, 211, 153;
    --bs-success-text-emphasis: #A7F3D0;
    --bs-success-bg-subtle: rgba(16, 185, 129, 0.15);
    --bs-success-border-subtle: #065F46;

    --bs-warning: #FBBF24;
    --bs-warning-rgb: 251, 191, 36;
    --bs-warning-text-emphasis: #FDE68A;
    --bs-warning-bg-subtle: rgba(245, 158, 11, 0.15);
    --bs-warning-border-subtle: #92400E;

    --bs-danger: #F87171;
    --bs-danger-rgb: 248, 113, 113;
    --bs-danger-text-emphasis: #FECACA;
    --bs-danger-bg-subtle: rgba(239, 68, 68, 0.15);
    --bs-danger-border-subtle: #991B1B;
}

/* ==============================================================
   AUTO-SCHEDULER (معماری دو مرحله‌ای و کارت‌های ارگونومیک)
================================================================= */
.as-step-view {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
}

/* نوار اسکرول افقی چیپ‌های انتخابی بدون اشغال ارتفاع عمودی */
.as-chips-scroll {
    display: flex;
    align-items: center;
    gap: 6px;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    padding: 2px 0;
    scrollbar-width: none;
}

.as-chips-scroll::-webkit-scrollbar {
    display: none;
}

.as-chip-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background-color: var(--bs-primary-bg-subtle);
    color: var(--bs-primary);
    border: 1px solid var(--bs-primary-border-subtle);
    border-radius: var(--radius-full);
    padding: 3px 10px;
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    flex-shrink: 0;
}

.as-chip-pill i {
    cursor: pointer;
    font-size: 0.95rem;
    opacity: 0.75;
    transition: opacity 0.15s, transform 0.15s;
}

.as-chip-pill i:hover {
    opacity: 1;
    transform: scale(1.15);
    color: var(--bs-danger);
}

.auto-sched-course-item .form-check {
    transition: background-color 0.15s ease, border-color 0.15s ease;
    cursor: pointer;
    border: 1px solid var(--bs-border-color);
    background-color: var(--bs-body-bg);
}

.auto-sched-course-item .form-check:hover {
    border-color: var(--bs-primary-border-subtle) !important;
    background-color: var(--bs-primary-bg-subtle) !important;
}

.auto-sched-course-item .form-check-input:checked~.form-check-label {
    color: var(--bs-primary) !important;
}

/* پیل‌های تعاملی انتخاب روزهای تعطیل */
.as-offday-cb:checked+label {
    background-color: var(--bs-primary) !important;
    border-color: var(--bs-primary) !important;
    color: #fff !important;
    box-shadow: var(--shadow-subtle);
}

.generated-plan-card {
    border: 1px solid var(--bs-border-color) !important;
    border-radius: var(--radius-md) !important;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.generated-plan-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md) !important;
    border-color: var(--bs-primary-border-subtle) !important;
}

.btn-apply-auto-plan {
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-apply-auto-plan:hover {
    transform: scale(1.04);
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.btn-apply-auto-plan:active {
    transform: scale(0.96);
}

/* ==============================================================
   CUSTOM PERSONAL EVENTS
================================================================= */
.custom-event-card {
    background: repeating-linear-gradient(-45deg,
            var(--bs-tertiary-bg),
            var(--bs-tertiary-bg) 6px,
            var(--bs-secondary-bg) 6px,
            var(--bs-secondary-bg) 12px) !important;
    border: 1.5px dashed var(--bs-primary) !important;
    border-inline-end: 4px solid var(--bs-primary) !important;
    color: var(--bs-body-color) !important;
    box-shadow: var(--shadow-sm) !important;
    cursor: pointer;
}

.custom-event-card .course-title {
    color: var(--bs-primary) !important;
    font-weight: var(--fw-black) !important;
}

.custom-event-card .course-instructor {
    color: var(--bs-secondary-color) !important;
    font-weight: var(--fw-medium);
}

.custom-event-card .course-time-pill {
    background: rgba(var(--bs-primary-rgb), 0.15) !important;
    color: var(--bs-primary) !important;
    border: 1px solid var(--bs-primary-border-subtle);
}

.mobile-course-card.custom-event-card {
    border: 1.5px dashed var(--bs-primary) !important;
    border-radius: var(--radius-md) !important;
}

.mobile-course-card.custom-event-card .mobile-course-time-indicator {
    background-color: var(--bs-primary-bg-subtle) !important;
    color: var(--bs-primary) !important;
    border-inline-end: 1px dashed var(--bs-primary) !important;
}

/* ==============================================================
   BRAND LOGO STYLES
================================================================= */
.brand-mark {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.brand-logo {
    height: 32px;
    width: auto;
    max-width: 130px;
    object-fit: contain;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.brand-logo:hover {
    transform: scale(1.03);
}

.logo-dark {
    display: none !important;
}

.logo-light {
    display: inline-block !important;
}

[data-bs-theme="dark"] .logo-dark {
    display: inline-block !important;
}

[data-bs-theme="dark"] .logo-light {
    display: none !important;
}

.brand-title {
    font-weight: var(--fw-black);
    font-size: var(--fs-md);
    color: var(--bs-primary);
}

/* ==============================================================
   PWA SMART IN-APP INSTALL BANNER
================================================================= */
.pwa-install-banner {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1060;
    max-width: 420px;
    width: calc(100% - 48px);
    background-color: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 12px 16px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    animation: slideUpBanner 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

[data-bs-theme="dark"] .pwa-install-banner {
    background-color: rgba(15, 23, 42, 0.94);
}

@keyframes slideUpBanner {
    from {
        transform: translateY(100px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.pwa-banner-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pwa-banner-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.pwa-banner-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pwa-banner-text {
    flex-grow: 1;
    min-width: 0;
    text-align: right;
}

.pwa-banner-text div {
    line-height: 1.3;
    font-size: var(--fs-sm);
    color: var(--bs-body-color);
}

.pwa-banner-text small {
    font-size: var(--fs-2xs);
    display: block;
    margin-top: 2px;
}

.pwa-banner-actions {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

@media (max-width: 991.98px) {
    .pwa-install-banner {
        bottom: calc(var(--nav-height-mobile) + 14px);
        right: 12px;
        left: 12px;
        width: auto;
        max-width: none;
        padding: 10px 14px;
    }
}

/* ==============================================================
   QUICK COPY MODAL & STYLING
================================================================= */
.quick-copy-card {
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.quick-copy-card:hover {
    border-color: var(--bs-primary-border-subtle) !important;
}

.btn-copy-field {
    border-radius: var(--radius-sm) !important;
    font-family: inherit;
    font-size: var(--fs-xs);
    padding: 5px 9px !important;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.btn-copy-field:hover {
    background-color: var(--bs-primary-bg-subtle) !important;
    color: var(--bs-primary) !important;
    border-color: var(--bs-primary) !important;
}

.btn-copy-field.copied {
    background-color: var(--bs-success) !important;
    color: #fff !important;
    border-color: var(--bs-success) !important;
}

/* ==============================================================
   SKELETON SHIMMER LOADING
================================================================= */
.skeleton-card {
    pointer-events: none !important;
    user-select: none !important;
    border: 1px solid var(--bs-border-color) !important;
    border-radius: var(--radius-md) !important;
    background-color: var(--bs-body-bg) !important;
    border-inline-end: 4px solid var(--bs-border-color) !important;
}

.skeleton-box {
    position: relative;
    overflow: hidden;
    background-color: var(--bs-tertiary-bg);
    border-radius: var(--radius-xs);
}

.skeleton-box::after {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
    background-image: linear-gradient(90deg,
            rgba(255, 255, 255, 0) 0,
            rgba(255, 255, 255, 0.45) 50%,
            rgba(255, 255, 255, 0) 100%);
    animation: skeleton-shimmer 1.5s infinite;
    content: '';
}

[data-bs-theme="dark"] .skeleton-box::after {
    background-image: linear-gradient(90deg,
            rgba(255, 255, 255, 0) 0,
            rgba(255, 255, 255, 0.08) 50%,
            rgba(255, 255, 255, 0) 100%);
}

@keyframes skeleton-shimmer {
    100% {
        transform: translateX(100%);
    }
}

.skeleton-checkbox {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    flex-shrink: 0;
}

.skeleton-title {
    height: 16px;
    width: 65%;
}

.skeleton-text {
    height: 11px;
}

.skeleton-badge {
    width: 48px;
    height: 22px;
    border-radius: var(--radius-xs);
}

.skeleton-btn {
    width: 58px;
    height: 24px;
    border-radius: var(--radius-full);
}

/* ==============================================================
   DYNAMIC COURSE COLOR CODING (8 THEMES)
================================================================= */
.course-theme-0 {
    --c-accent: #4F46E5;
    --c-accent-dark: #3730A3;
    --c-bg-subtle: #EEF2FF;
    --c-grad-start: #4F46E5;
    --c-grad-end: #3730A3;
    --c-text-contrast: #FFFFFF;
}

.course-theme-1 {
    --c-accent: #10B981;
    --c-accent-dark: #065F46;
    --c-bg-subtle: #ECFDF5;
    --c-grad-start: #10B981;
    --c-grad-end: #047857;
    --c-text-contrast: #FFFFFF;
}

.course-theme-2 {
    --c-accent: #F59E0B;
    --c-accent-dark: #92400E;
    --c-bg-subtle: #FFFBEB;
    --c-grad-start: #F59E0B;
    --c-grad-end: #D97706;
    --c-text-contrast: #FFFFFF;
}

.course-theme-3 {
    --c-accent: #F43F5E;
    --c-accent-dark: #9F1239;
    --c-bg-subtle: #FFF1F2;
    --c-grad-start: #F43F5E;
    --c-grad-end: #BE123C;
    --c-text-contrast: #FFFFFF;
}

.course-theme-4 {
    --c-accent: #0284C7;
    --c-accent-dark: #075985;
    --c-bg-subtle: #F0F9FF;
    --c-grad-start: #0284C7;
    --c-grad-end: #0369A1;
    --c-text-contrast: #FFFFFF;
}

.course-theme-5 {
    --c-accent: #8B5CF6;
    --c-accent-dark: #5B21B6;
    --c-bg-subtle: #F5F3FF;
    --c-grad-start: #8B5CF6;
    --c-grad-end: #6D28D9;
    --c-text-contrast: #FFFFFF;
}

.course-theme-6 {
    --c-accent: #0D9488;
    --c-accent-dark: #115E59;
    --c-bg-subtle: #F0FDFA;
    --c-grad-start: #0D9488;
    --c-grad-end: #0F766E;
    --c-text-contrast: #FFFFFF;
}

.course-theme-7 {
    --c-accent: #EA580C;
    --c-accent-dark: #9A3412;
    --c-bg-subtle: #FFF7ED;
    --c-grad-start: #EA580C;
    --c-grad-end: #C2410C;
    --c-text-contrast: #FFFFFF;
}

[data-bs-theme="dark"] .course-theme-0 {
    --c-bg-subtle: rgba(79, 70, 229, 0.16);
    --c-grad-start: #6366F1;
    --c-grad-end: #4338CA;
}

[data-bs-theme="dark"] .course-theme-1 {
    --c-bg-subtle: rgba(16, 185, 129, 0.16);
    --c-grad-start: #34D399;
    --c-grad-end: #059669;
}

[data-bs-theme="dark"] .course-theme-2 {
    --c-bg-subtle: rgba(245, 158, 11, 0.16);
    --c-grad-start: #FBBF24;
    --c-grad-end: #B45309;
}

[data-bs-theme="dark"] .course-theme-3 {
    --c-bg-subtle: rgba(244, 63, 94, 0.16);
    --c-grad-start: #FB7185;
    --c-grad-end: #9F1239;
}

[data-bs-theme="dark"] .course-theme-4 {
    --c-bg-subtle: rgba(14, 165, 233, 0.16);
    --c-grad-start: #38BDF8;
    --c-grad-end: #0284C7;
}

[data-bs-theme="dark"] .course-theme-5 {
    --c-bg-subtle: rgba(139, 92, 246, 0.16);
    --c-grad-start: #A78BFA;
    --c-grad-end: #7C3AED;
}

[data-bs-theme="dark"] .course-theme-6 {
    --c-bg-subtle: rgba(13, 148, 136, 0.16);
    --c-grad-start: #2DD4BF;
    --c-grad-end: #0F766E;
}

[data-bs-theme="dark"] .course-theme-7 {
    --c-bg-subtle: rgba(234, 88, 12, 0.16);
    --c-grad-start: #FB923C;
    --c-grad-end: #EA580C;
}

.selected-course-card[class*="course-theme-"] {
    background-color: var(--c-bg-subtle) !important;
    border-inline-end: 4px solid var(--c-accent) !important;
    transition: all 0.2s ease;
}

.selected-course-card[class*="course-theme-"].highlight {
    box-shadow: 0 0 0 2.5px var(--c-accent), var(--shadow-md) !important;
    transform: translateY(-2px);
}

.selected-exam-card {
    transition: all 0.2s ease;
}

.selected-exam-card.highlight-exam {
    box-shadow: 0 0 0 2.5px var(--bs-warning), var(--shadow-md) !important;
    transform: translateY(-2px);
}

.timeline-course-card.selected-course[class*="course-theme-"] {
    background: linear-gradient(135deg, var(--c-grad-start), var(--c-grad-end)) !important;
    border-inline-end: 4px solid var(--c-accent-dark) !important;
}

.timeline-course-card.selected-course[class*="course-theme-"].schedule-multi-hover,
.timeline-course-card.selected-course[class*="course-theme-"].highlight-course {
    filter: brightness(1.18) saturate(1.25) !important;
    outline: 2.5px solid var(--c-accent) !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35), 0 0 12px var(--c-accent) !important;
    transform: scale(1.025) !important;
    z-index: 50 !important;
}

.mobile-course-card.selected[class*="course-theme-"] {
    border-color: var(--c-accent) !important;
    background: linear-gradient(to left, var(--bs-body-bg), var(--c-bg-subtle)) !important;
}

.mobile-course-card.selected[class*="course-theme-"].schedule-multi-hover,
.mobile-course-card.selected[class*="course-theme-"].highlight {
    box-shadow: 0 0 0 2.5px var(--c-accent), var(--shadow-sm) !important;
    transform: scale(1.015);
}

.mobile-course-card.selected[class*="course-theme-"] .mobile-course-time-indicator {
    background-color: var(--c-accent) !important;
    color: var(--c-text-contrast) !important;
}

/* ==============================================================
   RE-THEME BOOTSTRAP COMPONENTS
================================================================= */
.btn-primary {
    --bs-btn-bg: var(--bs-primary);
    --bs-btn-border-color: var(--bs-primary);
    --bs-btn-hover-bg: var(--bs-primary-text-emphasis);
    --bs-btn-hover-border-color: var(--bs-primary-text-emphasis);
    --bs-btn-active-bg: var(--bs-primary-text-emphasis);
    --bs-btn-focus-shadow-rgb: var(--bs-primary-rgb);
    border-radius: var(--radius-sm);
    font-weight: var(--fw-bold);
}

.btn-outline-secondary {
    --bs-btn-color: var(--bs-body-color);
    --bs-btn-border-color: var(--bs-border-color);
    --bs-btn-hover-bg: var(--bs-tertiary-bg);
    --bs-btn-hover-border-color: var(--bs-border-color);
    --bs-btn-active-bg: var(--bs-secondary-bg);
    border-radius: var(--radius-sm);
}

.nav-pills {
    --bs-nav-pills-link-active-bg: var(--bs-primary);
}

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

.form-control:focus,
.form-select:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 .25rem rgba(var(--bs-primary-rgb), .2);
}

.dropdown-menu {
    --bs-dropdown-link-active-bg: var(--bs-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--bs-border-color);
    box-shadow: var(--shadow-md);
    padding: 6px;
}

.dropdown-item {
    border-radius: var(--radius-xs);
    font-size: var(--fs-sm);
    padding: 8px 12px;
}

/* ==============================================================
   BASE / LAYOUT
================================================================= */
html,
body {
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    font-family: var(--bs-body-font-family);
    font-size: var(--fs-base);
    font-weight: var(--fw-regular);
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
}

h1,
h2,
h3,
h4,
h5,
h6,
.card-title,
.fw-bold,
strong,
b {
    font-weight: var(--fw-bold);
}

.app-wrapper {
    height: 100vh !important;
    height: 100dvh !important;
    width: 100vw;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.min-h-0 {
    min-height: 0 !important;
}

.card-grid {
    height: 100% !important;
    max-height: 100% !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    padding: 12px;
}

::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, .3);
    border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(148, 163, 184, .5);
}

/* ==============================================================
   HEADER
================================================================= */
.app-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 12px;
    padding: 10px 16px;
    background-color: var(--bs-body-bg);
    border-bottom: 1px solid var(--bs-border-color);
}

.header-actions {
    order: 2;
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 0 0 auto;
    margin-inline-start: auto;
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--bs-border-color);
    background-color: var(--bs-tertiary-bg);
    color: var(--bs-body-color);
    font-size: var(--fs-sm);
    transition: all .15s ease;
}

.icon-btn:hover {
    background-color: var(--bs-secondary-bg);
    color: var(--bs-primary);
}

.schedule-switcher {
    order: 3;
    flex: 1 1 100%;
    min-width: 0;
}

.schedule-switch-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--bs-border-color);
    background-color: var(--bs-tertiary-bg);
    color: var(--bs-body-color);
    font-weight: var(--fw-medium);
    font-size: var(--fs-sm);
}

.schedule-switch-btn i.bi-journal-bookmark {
    color: var(--bs-primary);
}

.schedule-switch-btn span.text-truncate {
    flex: 1;
    text-align: start;
}

.schedule-switch-btn .small {
    margin-inline-start: auto;
    color: var(--bs-secondary-color);
    font-size: var(--fs-2xs);
}

@media (min-width: 768px) {
    .app-header {
        flex-wrap: nowrap;
    }

    .schedule-switcher {
        order: 2;
        flex: 1 1 auto;
        max-width: 440px;
        margin: 0 auto;
    }

    .header-actions {
        order: 3;
        margin-inline-start: 0;
    }
}

/* ==============================================================
   PANEL HEADERS & FILTER BAR (DESKTOP & RESPONSIVE)
================================================================= */
.panel-header {
    display: flex;
    align-items: center;
    height: 52px;
    padding: 0 14px;
    gap: 8px;
    font-size: var(--fs-sm);
    background-color: var(--bs-body-bg);
}

.panel-header>.nav {
    flex: 1;
    width: 100%;
}

.panel-header .nav-link {
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
}

.filter-bar {
    flex-direction: column;
    gap: 8px;
    padding: 10px 14px;
    background-color: var(--bs-body-bg);
    border-bottom: 1px solid var(--bs-border-color);
    width: 100%;
}

.filter-bar-row {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
}

.search-box {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 10px 0 12px;
    height: 38px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--bs-border-color);
    background-color: var(--bs-tertiary-bg);
    transition: border-color .15s ease, box-shadow .15s ease;
}

.search-box:focus-within {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 .25rem rgba(var(--bs-primary-rgb), .15);
}

.search-box i.search-icon {
    color: var(--bs-secondary-color);
    font-size: var(--fs-sm);
}

.search-box input {
    flex: 1;
    min-width: 0;
    border: none;
    background: transparent;
    outline: none;
    font-size: var(--fs-sm);
    color: var(--bs-body-color);
    font-family: inherit;
}

.search-kbd {
    background-color: var(--bs-body-bg);
    color: var(--bs-secondary-color);
    border: 1px solid var(--bs-border-color);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 0.7rem;
    font-family: inherit;
    box-shadow: var(--shadow-subtle);
    user-select: none;
}

.search-clear-btn {
    border: none;
    background: transparent;
    color: var(--bs-secondary);
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    transition: color .15s ease, transform .15s ease;
}

.search-clear-btn:hover {
    color: var(--bs-danger);
    transform: scale(1.1);
}

mark.search-highlight {
    background-color: var(--bs-warning-bg-subtle) !important;
    color: var(--bs-warning-text-emphasis) !important;
    border: 1px solid var(--bs-warning-border-subtle);
    border-radius: 3px;
    padding: 0 3px;
    font-weight: var(--fw-bold);
}

.filter-toggle-btn {
    flex: 0 0 auto;
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    border: 1px solid var(--bs-border-color);
    background-color: var(--bs-tertiary-bg);
    color: var(--bs-body-color);
    font-size: var(--fs-sm);
}

.filter-toggle-btn[aria-expanded="true"] {
    background-color: var(--bs-primary);
    color: #fff;
    border-color: var(--bs-primary);
}

.filter-active-dot {
    position: absolute;
    top: 6px;
    inset-inline-end: 6px;
    width: 8px;
    height: 8px;
    background-color: var(--bs-primary);
    border: 2px solid var(--bs-body-bg);
    border-radius: 50%;
}

.filters-collapse {
    width: 100%;
}

.filters-collapse .filter-bar-row-selects {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    padding-top: 4px;
    width: 100%;
}

#faculty-filter {
    flex: 1.4 !important;
    min-width: 0 !important;
}

#gender-filter {
    flex: 1 !important;
    min-width: 0 !important;
}

.filter-bar .form-select {
    font-size: var(--fs-xs);
    border-radius: var(--radius-sm);
    border-color: var(--bs-border-color);
    background-color: var(--bs-tertiary-bg);
    height: 36px;
}

@media (min-width: 992px) {
    .filter-toggle-btn {
        display: none;
    }

    .filters-collapse {
        display: block !important;
        height: auto !important;
        visibility: visible !important;
    }
}

/* ==============================================================
   COURSE CARDS (DESKTOP & CATALOG)
================================================================= */
.all-course-card,
.selected-course-card {
    border: 1px solid var(--bs-border-color) !important;
    border-radius: var(--radius-md) !important;
    background-color: var(--bs-body-bg) !important;
    box-shadow: var(--shadow-subtle);
    transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, opacity .2s ease, filter .2s ease;
}

.all-course-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.all-course-card {
    border-inline-end: 4px solid var(--bs-secondary) !important;
}

.all-course-card.has-catalog-conflict {
    opacity: 0.65;
    filter: grayscale(20%);
    border-inline-end-color: var(--bs-danger) !important;
}

.all-course-card.has-catalog-conflict:hover {
    opacity: 1;
    filter: none;
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.15);
}

.all-course-card.preview {
    background-color: var(--bs-primary-bg-subtle) !important;
    border-color: var(--bs-primary-border-subtle) !important;
    border-inline-end-color: var(--bs-primary) !important;
}

.card-title {
    font-size: var(--fs-base);
    font-weight: var(--fw-bold);
}

.all-course-card small,
.selected-course-card small {
    font-size: var(--fs-xs) !important;
    line-height: 1.6;
}

.all-course-card .badge,
.selected-course-card .badge {
    font-size: var(--fs-2xs);
    font-weight: var(--fw-medium);
    border-radius: var(--radius-xs);
    padding: 3px 6px;
}

.btn-info-detail {
    color: var(--bs-primary) !important;
    border-color: var(--bs-border-color) !important;
    background-color: var(--bs-tertiary-bg) !important;
    transition: all 0.15s ease;
    font-weight: var(--fw-medium);
    padding: 3px 10px !important;
    border-radius: var(--radius-full) !important;
    z-index: 5;
    min-height: 26px;
}

.btn-info-detail:hover {
    background-color: var(--bs-primary) !important;
    color: #fff !important;
    border-color: var(--bs-primary) !important;
    transform: scale(1.05);
}

.btn-info-detail:active {
    transform: scale(0.95);
}

/* ==============================================================
   DESKTOP TIMELINE (Weekly Schedule Grid)
================================================================= */
.timeline-grid {
    display: grid;
    grid-template-columns: 65px repeat(6, 1fr);
    background-color: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    min-width: 680px;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.timeline-header-corner,
.timeline-day-header {
    background-color: var(--bs-tertiary-bg);
    color: var(--bs-body-color);
    font-weight: var(--fw-bold);
    font-size: var(--fs-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 2px solid var(--bs-border-color);
    padding: 8px 4px;
}

.timeline-day-header {
    border-inline-start: 1px solid var(--bs-border-color-translucent);
}

.timeline-time-label {
    position: relative;
    background-color: var(--bs-tertiary-bg);
    border-bottom: 1px solid transparent;
}

.time-marker {
    position: absolute;
    top: -9px;
    inset-inline-end: 8px;
    font-size: var(--fs-2xs);
    font-weight: var(--fw-medium);
    color: var(--bs-secondary-color);
    letter-spacing: .5px;
    background-color: var(--bs-tertiary-bg);
    padding: 0 4px;
    z-index: 10;
}

.timeline-time-label.slot-half-hour .time-marker {
    font-size: .62rem;
    opacity: .65;
    font-weight: normal;
}

.timeline-cell {
    background-color: var(--bs-body-bg);
    border-inline-start: 1px solid var(--bs-border-color-translucent);
    position: relative;
}

.timeline-cell.slot-full-hour,
.timeline-time-label.slot-full-hour {
    border-top: 1px solid var(--bs-border-color);
}

.timeline-cell.slot-half-hour,
.timeline-time-label.slot-half-hour {
    border-top: 1px dashed var(--bs-border-color-translucent);
}

.timeline-course-card {
    margin: 1px 3px;
    border-radius: var(--radius-sm);
    position: relative;
    cursor: pointer;
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0, 0, 0, .15);
    transition: transform .15s ease, box-shadow .15s ease, opacity .15s, outline .15s ease;
    display: flex;
}

.timeline-course-card .card-inner {
    width: 100%;
    height: 100%;
    padding: 4px 6px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    overflow: hidden;
    gap: 2px;
}

.timeline-course-card:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 14px rgba(0, 0, 0, .22);
}

.timeline-course-card .course-title {
    font-weight: 700;
    font-size: .75rem;
    line-height: 1.3;
    color: #fff;
    white-space: normal;
    word-break: break-word;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.timeline-course-card .course-instructor {
    font-size: .68rem;
    line-height: 1.25;
    color: rgba(255, 255, 255, .9);
    white-space: normal;
    word-break: break-word;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.timeline-course-card .course-time-pill {
    font-size: .62rem;
    font-weight: 600;
    background: rgba(0, 0, 0, .25);
    color: #fff;
    padding: 1px 5px;
    border-radius: var(--radius-xs);
    align-self: flex-start;
    margin-top: auto;
    white-space: nowrap;
    /* تضمین قرارگیری ساعت شروع در سمت چپ و ساعت پایان در سمت راست */
    direction: ltr !important;
    unicode-bidi: isolate !important;
    text-align: center;
    display: inline-block;
}

.timeline-course-card.hover-course {
    background: linear-gradient(135deg, var(--bs-warning), #D97706);
    border-inline-end: 4px solid #B45309;
}

.timeline-course-card.hover-course .course-title,
.timeline-course-card.hover-course .course-instructor {
    color: #1E293B;
}

.timeline-course-card.hover-course .course-time-pill {
    background: rgba(0, 0, 0, .15);
    color: #1E293B;
}

.timeline-course-card.conflict-course {
    background: linear-gradient(135deg, var(--bs-danger), #DC2626) !important;
    border-inline-end: 4px solid #991B1B !important;
    animation: pulse-conflict 1s infinite alternate;
}

@keyframes pulse-conflict {
    from {
        opacity: .9;
    }

    to {
        opacity: 1;
        filter: drop-shadow(0 0 6px rgba(239, 68, 68, .7));
    }
}

/* ==============================================================
   DESKTOP LAYOUT RULES (≥992px)
================================================================= */
@media (min-width: 992px) {
    .app-wrapper {
        height: 100vh;
        overflow: hidden;
    }

    .container-fluid.flex-grow-1 {
        height: calc(100vh - 110px);
        overflow: hidden;
    }

    .row {
        height: 100%;
    }

    .col-lg-5,
    .col-lg-7,
    .col-xl-4,
    .col-xl-8 {
        height: 100%;
        overflow: hidden;
    }

    .col-lg-5,
    .col-xl-4 {
        display: flex;
        flex-direction: column;
    }

    .tab-content {
        flex-grow: 1;
        overflow: hidden;
    }

    .card-grid {
        overflow-y: auto;
    }

    .col-lg-7,
    .col-xl-8 {
        display: flex;
        flex-direction: column;
    }

    .col-lg-7>div,
    .col-xl-8>div {
        display: flex;
        flex-direction: column;
        height: 100%;
    }

    #schedule-display {
        overflow-y: auto;
        flex-grow: 1;
    }
}

/* ==============================================================
   MOBILE ULTRA-MODERN THUMB-ZONE & CONTINUOUS SCHEDULE (<992px)
================================================================= */
@media (max-width: 991.98px) {
    .app-wrapper {
        height: 100vh !important;
        height: 100dvh !important;
        padding-bottom: calc(var(--nav-height-mobile) + env(safe-area-inset-bottom, 0px));
    }

    .mobile-view-section {
        display: none !important;
        height: 100% !important;
    }

    .mobile-view-section.active-mobile-view {
        display: flex !important;
        flex-direction: column !important;
        width: 100% !important;
        height: 100% !important;
        position: relative;
    }

    #section-course-selection {
        display: flex;
        flex-direction: column;
        height: 100%;
        position: relative;
        overflow: hidden;
    }

    #section-course-selection>.tab-content {
        order: 1 !important;
        height: 100% !important;
        width: 100% !important;
        padding-bottom: 0 !important;
    }

    #section-course-selection .card-grid {
        padding-bottom: 230px !important;
        padding-top: 10px;
    }

    #section-course-selection>.border-top {
        order: 2 !important;
        border-top: 1px solid var(--bs-border-color-translucent) !important;
        background: transparent !important;
        padding: 6px 14px !important;
        font-size: var(--fs-xs) !important;
    }

    #main-filter-bar {
        order: 3 !important;
        border-bottom: none !important;
        border-top: none !important;
        background: transparent !important;
        padding: 6px 14px 4px !important;
    }

    #section-course-selection>.panel-header {
        order: 4 !important;
        border-bottom: none !important;
        background: transparent !important;
        height: auto !important;
        padding: 4px 14px 10px !important;
    }

    #section-course-selection>.border-top,
    #main-filter-bar,
    #section-course-selection>.panel-header {
        position: relative;
        z-index: 20;
        background-color: rgba(248, 250, 252, 0.88) !important;
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
    }

    [data-bs-theme="dark"] #section-course-selection>.border-top,
    [data-bs-theme="dark"] #main-filter-bar,
    [data-bs-theme="dark"] #section-course-selection>.panel-header {
        background-color: rgba(15, 23, 42, 0.88) !important;
    }

    #section-course-selection>.border-top {
        box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.08);
        border-top-left-radius: var(--radius-lg);
        border-top-right-radius: var(--radius-lg);
        border-top: 1px solid var(--bs-border-color) !important;
    }

    #section-course-selection>.panel-header .nav-pills {
        background-color: var(--bs-tertiary-bg);
        padding: 3px;
        border-radius: var(--radius-md);
        border: 1px solid var(--bs-border-color-translucent);
        width: 100%;
    }

    #section-course-selection>.panel-header .nav-link {
        border-radius: var(--radius-sm) !important;
        padding: 6px 10px;
    }

    .filters-collapse {
        order: -1;
        width: 100%;
    }

    #main-filter-bar .filter-bar-row {
        order: 2;
    }

    .bottom-nav {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: var(--nav-height-mobile);
        padding: 6px 12px;
        background-color: rgba(248, 250, 252, 0.92);
        border-top: 1px solid var(--bs-border-color);
        display: flex;
        justify-content: space-around;
        align-items: stretch;
        gap: 8px;
        z-index: 1040;
        box-shadow: 0 -8px 25px rgba(15, 23, 42, 0.08);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
    }

    [data-bs-theme="dark"] .bottom-nav {
        background-color: rgba(11, 15, 25, 0.92);
    }

    .bottom-nav-item {
        background: transparent;
        border: none;
        color: var(--bs-secondary-color);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2px;
        flex: 1;
        border-radius: var(--radius-md);
        font-size: var(--fs-2xs);
        font-weight: var(--fw-medium);
        transition: all .2s ease;
        position: relative;
    }

    .bottom-nav-item i {
        font-size: 1.3rem;
        transition: transform .2s ease;
    }

    .bottom-nav-item.active {
        color: var(--bs-primary) !important;
        font-weight: var(--fw-bold);
        background-color: var(--bs-primary-bg-subtle);
    }

    .bottom-nav-item.active i {
        transform: translateY(-1px);
    }

    /* ==============================================================
       MOBILE SMART SCHEDULE VIEW (CONTINUOUS TIMELINE)
    ================================================================= */
    #section-weekly-schedule #schedule-display {
        padding: 12px !important;
        width: 100% !important;
        overflow-x: hidden;
    }

    .mobile-continuous-schedule {
        display: flex;
        flex-direction: column;
        gap: 1.25rem;
        padding-bottom: 2rem;
        width: 100%;
    }

    .mobile-day-section {
        display: flex;
        flex-direction: column;
        gap: 0.6rem;
        width: 100%;
    }

    .mobile-day-sticky-header {
        position: sticky;
        top: -12px;
        z-index: 10;
        background-color: rgba(248, 250, 252, 0.9);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        padding: 8px 12px;
        font-weight: var(--fw-bold);
        font-size: var(--fs-xs);
        color: var(--bs-primary);
        border-radius: var(--radius-sm);
        border: 1px solid var(--bs-border-color);
        box-shadow: var(--shadow-subtle);
        display: flex;
        align-items: center;
        width: 100%;
    }

    [data-bs-theme="dark"] .mobile-day-sticky-header {
        background-color: rgba(15, 23, 42, 0.9);
    }

    .mobile-day-agenda {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
        align-items: stretch;
    }

    .mobile-course-card {
        display: flex;
        width: 100% !important;
        background-color: var(--bs-body-bg);
        border: 1px solid var(--bs-border-color);
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-subtle);
        transition: transform .15s ease, box-shadow .15s ease, outline .15s ease;
        cursor: pointer;
    }

    .mobile-course-card.hovered {
        border-color: var(--bs-warning-border-subtle);
        background-color: var(--bs-warning-bg-subtle);
    }

    .mobile-course-card.conflict {
        border-color: var(--bs-danger-border-subtle);
        background-color: var(--bs-danger-bg-subtle);
        animation: pulse-conflict 1s infinite alternate;
    }

    .mobile-course-time-indicator {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2px;
        padding: 10px 8px;
        background-color: var(--bs-tertiary-bg);
        color: var(--bs-primary);
        font-weight: var(--fw-bold);
        font-size: var(--fs-2xs);
        border-inline-end: 1px solid var(--bs-border-color-translucent);
        min-width: 62px;
        flex-shrink: 0;
    }

    .mobile-course-card.conflict .mobile-course-time-indicator {
        background-color: var(--bs-danger);
        color: #fff;
        border-inline-end: none;
    }

    .time-divider {
        width: 1px;
        height: 8px;
        background-color: currentColor;
        opacity: 0.35;
        margin: 1px 0;
    }

    .mobile-course-details {
        padding: 10px 12px;
        flex-grow: 1;
        min-width: 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 2px;
        width: 100%;
    }

    .mobile-course-details .course-name {
        font-weight: var(--fw-bold);
        font-size: var(--fs-sm);
        color: var(--bs-body-color);
        line-height: 1.3;
    }

    .mobile-course-details .course-prof {
        font-size: var(--fs-xs);
        color: var(--bs-secondary-color);
    }

    .mobile-time-gap {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 4px 0;
        width: 100%;
    }

    .mobile-time-gap .gap-line {
        flex-grow: 1;
        height: 1px;
        border-top: 1px dashed var(--bs-border-color);
    }

    .mobile-time-gap .gap-text {
        font-size: var(--fs-2xs);
        color: var(--bs-secondary-color);
        background-color: var(--bs-tertiary-bg);
        padding: 4px 10px;
        border-radius: var(--radius-full);
        font-weight: var(--fw-medium);
        display: flex;
        align-items: center;
        gap: 5px;
        white-space: nowrap;
        border: 1px solid var(--bs-border-color-translucent);
    }

    .mobile-day-empty-minimal {
        text-align: center;
        padding: 12px;
        font-size: var(--fs-xs);
        color: var(--bs-secondary-color);
        background-color: var(--bs-tertiary-bg);
        border-radius: var(--radius-sm);
        border: 1px dashed var(--bs-border-color);
        width: 100%;
    }
}

/* ==============================================================
   AUTH PAGE
================================================================= */
.auth-bg-pattern {
    background-color: var(--bs-body-bg);
    background-image: radial-gradient(var(--bs-border-color) 1px, transparent 1px);
    background-size: 20px 20px;
}

.auth-card {
    background: var(--bs-body-bg) !important;
    border: 1px solid var(--bs-border-color) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-lg) !important;
}

/* ==============================================================
   PREMIUM LOADER OVERLAY
================================================================= */
#loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.loader-content {
    background: linear-gradient(135deg, var(--bs-primary), var(--bs-primary-text-emphasis));
    padding: 12px 24px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.loader-spinner {
    width: 20px;
    height: 20px;
    border: 2.5px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: loader-spin 0.75s linear infinite;
}

@keyframes loader-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==============================================================
   SWEETALERT2 CUSTOM THEMING
================================================================= */
.swal2-popup {
    background-color: var(--bs-body-bg) !important;
    color: var(--bs-body-color) !important;
    border: 1px solid var(--bs-border-color) !important;
    border-radius: var(--radius-lg) !important;
    font-family: var(--bs-body-font-family) !important;
    box-shadow: var(--shadow-lg) !important;
}

.swal2-title {
    color: var(--bs-body-color) !important;
    font-size: var(--fs-md) !important;
}

.swal2-html-container {
    color: var(--bs-secondary-color) !important;
    font-size: var(--fs-sm) !important;
}

.swal2-input {
    background-color: var(--bs-tertiary-bg) !important;
    color: var(--bs-body-color) !important;
    border: 1px solid var(--bs-border-color) !important;
    border-radius: var(--radius-sm) !important;
}

.swal2-confirm {
    background-color: var(--bs-primary) !important;
    border-radius: var(--radius-sm) !important;
    padding: 8px 18px !important;
}

.swal2-cancel {
    background-color: var(--bs-tertiary-bg) !important;
    color: var(--bs-body-color) !important;
    border-radius: var(--radius-sm) !important;
    padding: 8px 18px !important;
}

.swal2-toast {
    border: 1px solid var(--bs-border-color) !important;
    box-shadow: var(--shadow-md) !important;
}

@media (max-width: 991.98px) {

    .swal2-container.swal2-bottom-end,
    .swal2-container.swal2-bottom-start,
    .swal2-container.swal2-bottom {
        bottom: calc(var(--nav-height-mobile) + 15px) !important;
        z-index: 1050 !important;
    }
}

/* ==============================================================
   COURSE DETAILS & WIZARD MODALS (ISOLATED 88DVH)
================================================================= */
.course-modal-popup {
    max-height: 88vh !important;
    max-height: 88dvh !important;
    height: 88dvh !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    padding: 1.25rem !important;
}

.course-modal-popup .swal2-html-container {
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
    flex: 1 1 auto !important;
    min-height: 0 !important;
}

.course-details-modal-wrapper {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    overflow: hidden;
    text-align: right;
    direction: rtl;
}

.course-modal-header {
    flex-shrink: 0;
    padding-bottom: 0.75rem;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid var(--bs-border-color);
    padding-inline-start: 40px;
}

.course-modal-body {
    flex: 1 1 auto;
    overflow-y: auto !important;
    overflow-x: hidden;
    min-height: 0;
    padding-inline-end: 6px;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.course-modal-footer {
    flex-shrink: 0;
    padding-top: 0.75rem;
    border-top: 1px solid var(--bs-border-color);
    background-color: var(--bs-body-bg);
    z-index: 10;
}

.course-modal-popup .swal2-close {
    position: absolute !important;
    top: 14px !important;
    inset-inline-start: 14px !important;
    inset-inline-end: auto !important;
    z-index: 30 !important;
    color: var(--bs-secondary-color) !important;
    outline: none !important;
    box-shadow: none !important;
    font-size: 1.5rem !important;
}

.course-modal-popup .swal2-close:hover {
    color: var(--bs-danger) !important;
}

.course-details-modal-wrapper .bg-body-tertiary {
    background-color: var(--bs-tertiary-bg) !important;
    border: 1px solid var(--bs-border-color);
    color: var(--bs-body-color);
    font-size: var(--fs-xs);
}

.course-details-modal-wrapper strong {
    font-size: var(--fs-2xs);
}

@media (max-width: 576px) {
    .course-modal-popup {
        padding: 1rem 0.75rem !important;
        max-height: 88dvh !important;
        height: 88dvh !important;
        width: 95vw !important;
    }

    .course-modal-header {
        padding-inline-start: 35px;
    }
}

/* ==============================================================
   EXTRA DETAILS & AUTO-SAVE STYLES
================================================================= */
@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

.spin-icon {
    display: inline-block;
    animation: spin 1s linear infinite;
}

.transition-all {
    transition: all 0.25s ease;
}

/* ==============================================================
   OFF-SCREEN EXPORT CONTAINER
================================================================= */
#export-render-box {
    position: fixed;
    left: 200vw;
    top: 0;
    width: 1100px;
    padding: 30px;
    z-index: -9999;
    direction: rtl;
    background-color: var(--bs-body-bg);
    font-family: var(--bs-body-font-family) !important;
}

#export-render-box * {
    letter-spacing: normal !important;
}

#export-render-box .timeline-grid {
    box-shadow: none !important;
    border: 2px solid var(--bs-border-color) !important;
}

#export-render-box .timeline-course-card .course-title,
#export-render-box .timeline-course-card .course-instructor {
    white-space: normal !important;
    display: block !important;
    overflow: visible !important;
    -webkit-line-clamp: unset !important;
}

/* ==============================================================
   SHARED SCHEDULE PUBLIC VIEW STYLES
================================================================= */
.shared-page-wrapper {
    width: 100vw;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
}

.shared-hero-banner {
    background-color: var(--bs-body-bg);
}

.shared-mobile-dock {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background-color: rgba(248, 250, 252, 0.94);
}

[data-bs-theme="dark"] .shared-mobile-dock {
    background-color: rgba(15, 23, 42, 0.94);
}

@media (max-width: 575.98px) {
    .shared-page-wrapper {
        padding-bottom: 88px; /* فضا برای نوار داک چسبان پایین صفحه در گوشی */
    }
}

/* ==============================================================
   SHARED SCHEDULE PUBLIC VIEW STYLES
================================================================= */
@media (max-width: 991.98px) {
    .shared-page-wrapper {
        padding-bottom: 88px;
    }

    .h-100-desktop {
        height: auto !important;
    }

    .shared-page-wrapper .col-lg-4 > .card {
        display: flex;
        flex-direction: column;
        max-height: calc(100dvh - 220px);
    }

    .shared-page-wrapper #shared-courses-list {
        height: calc(100dvh - 280px);
        max-height: none;
        overflow-y: scroll !important;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        touch-action: pan-y;
        min-height: 0;
    }
}

@media (min-width: 992px) {
    .h-100-desktop { height: 100% !important; }
    .scrollable-desktop { max-height: 75vh; overflow-y: auto; }
}

.shared-mobile-dock {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background-color: rgba(248, 250, 252, 0.94);
}

[data-bs-theme="dark"] .shared-mobile-dock {
    background-color: rgba(15, 23, 42, 0.94);
}