/* ── SSA DOJO – Dark Theme CSS ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-elevated: #1e1e1e;
    --bg-surface: #252525;
    --text-primary: #f0f0f0;
    --text-secondary: #b0b0b0;
    --text-muted: #707070;
    --border-primary: #2a2a2a;
    --border-secondary: #333333;
    --accent: #d32f2f;
    --accent-hover: #b71c1c;
    --accent-soft: rgba(211, 47, 47, 0.15);
    --success: #34d399;
    --success-soft: rgba(52, 211, 153, 0.15);
    --warning: #f59e0b;
    --warning-soft: rgba(245, 158, 11, 0.15);
    --danger: #ef4444;
    --danger-soft: rgba(239, 68, 68, 0.15);
    --gold: #d4a843;
    --gold-soft: rgba(212, 168, 67, 0.15);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
}

* {
    box-sizing: border-box;
}

/* PWA / ana ekran: sistem çubuğu ve home indicator arkası beyaz kalmasın */
html {
    background-color: var(--bg-primary);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    min-height: 100dvh;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    padding-left: env(safe-area-inset-left, 0px);
    padding-right: env(safe-area-inset-right, 0px);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
}

/* ── Navbar ── */
.navbar {
    background: rgba(17, 17, 17, 0.78) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.26);
    padding: 0.8rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--accent) !important;
    letter-spacing: -0.5px;
}

.navbar-brand:hover {
    color: var(--accent-hover) !important;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary) !important;
    background: rgba(255, 255, 255, 0.06);
}

/* Mobile nav toggle */
.mobile-nav-toggle {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.25s;
    padding: 0;
}

.mobile-nav-toggle:hover,
.mobile-nav-toggle:focus {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.navbar-toggler {
    border-color: var(--border-secondary);
    color: var(--text-secondary);
}

.dropdown-menu {
    background: var(--bg-elevated);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.dropdown-item {
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    transition: all 0.2s;
}

.dropdown-item:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
}

/* ── Hero Section ── */
.hero-section {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    padding: 5rem 0;
    border-bottom: 1px solid var(--border-primary);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, var(--accent-soft), transparent 50%);
    pointer-events: none;
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -1px;
    position: relative;
}

.hero-section p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    position: relative;
}

/* ── Cards ── */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    border-color: var(--border-secondary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--text-secondary);
}

.card-img-top {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

/* Aspect Ratio Containers for better consistency */
.card-img-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.card-img-standard {
    aspect-ratio: 16 / 9;
}

.card-img-teacher {
    aspect-ratio: 1 / 1;
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

/* ── Widget Cards (Panel) ── */
.widget-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.widget-card h5,
.widget-card h4 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-primary);
}

/* ── Stat Cards ── */
.stat-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.stat-card .stat-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    display: block;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card-blue {
    border-left: 4px solid var(--accent);
}

.stat-card-blue .stat-icon,
.stat-card-blue .stat-value {
    color: var(--accent);
}

.stat-card-green {
    border-left: 4px solid var(--success);
}

.stat-card-green .stat-icon,
.stat-card-green .stat-value {
    color: var(--success);
}

.stat-card-gold {
    border-left: 4px solid var(--gold);
}

.stat-card-gold .stat-icon,
.stat-card-gold .stat-value {
    color: var(--gold);
}

.stat-card-danger {
    border-left: 4px solid var(--danger);
}

.stat-card-danger .stat-icon,
.stat-card-danger .stat-value {
    color: var(--danger);
}

/* ── Sidebar ── */
.panel-sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    min-height: calc(100vh - 56px);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 56px;
}

.panel-sidebar .sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1.2rem;
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--radius-sm);
    margin: 2px 0.5rem;
    transition: all 0.2s;
}

.panel-sidebar .sidebar-link:hover,
.panel-sidebar .sidebar-link.active {
    background: var(--accent-soft);
    color: var(--accent);
}

.panel-sidebar .sidebar-link i {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}

.sidebar-divider {
    border-top: 1px solid var(--border-primary);
    margin: 0.75rem 1rem;
}

.sidebar-section-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    padding: 0.5rem 1.2rem 0.25rem;
    font-weight: 600;
}

/* ── Tables ── */
.table {
    color: var(--text-primary);
}

.table thead th {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-secondary);
    padding: 0.75rem;
}

.table tbody td {
    border-bottom: 1px solid var(--border-primary);
    padding: 0.75rem;
    vertical-align: middle;
}

.table tbody tr:hover {
    background: var(--bg-tertiary);
}

.table-dark {
    --bs-table-bg: var(--bg-secondary);
}

/* ── Buttons ── */
.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    font-weight: 500;
    border-radius: var(--radius-sm);
    padding: 0.5rem 1.25rem;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--accent);
    border-color: var(--accent);
    border-radius: var(--radius-sm);
}

.btn-outline-primary:hover {
    background: var(--accent);
    border-color: var(--accent);
}

.btn-outline-blue {
    color: #0d6efd;
    border-color: #0d6efd;
    border-radius: var(--radius-sm);
}

.btn-outline-blue:hover {
    background: #0d6efd;
    color: #fff;
    border-color: #0d6efd;
}

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

.btn-outline-light:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
    border-color: var(--border-secondary);
}

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

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

.btn-sm {
    font-size: 0.85rem;
    padding: 0.35rem 0.75rem;
}

/* ── Forms ── */
.form-control,
.form-select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-secondary);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.85rem;
    transition: border-color 0.2s;
}

.form-control:focus,
.form-select:focus {
    background: var(--bg-tertiary);
    border-color: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* Native date/month picker – dark tema uyumu */
input[type="month"],
input[type="date"],
input[type="datetime-local"],
input[type="time"] {
    color-scheme: dark;
    cursor: pointer;
}

input[type="month"]::-webkit-calendar-picker-indicator,
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
    filter: invert(1) brightness(0.85);
    cursor: pointer;
    opacity: 0.8;
}

input[type="month"]::-webkit-calendar-picker-indicator:hover,
input[type="date"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-check-input {
    background-color: var(--bg-tertiary);
    border-color: var(--border-secondary);
}

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

.form-check-label {
    color: var(--text-primary);
    cursor: pointer;
}

.checkbox-group .form-check {
    padding: 0.4rem 0;
    padding-left: 1.75rem;
}

.checkbox-group .form-check-input {
    width: 1.15em;
    height: 1.15em;
    margin-top: 0.2em;
    cursor: pointer;
}

.checkbox-group .form-check+.form-check {
    border-top: 1px solid var(--border-primary);
}

/* ── Badges ── */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
}

.badge-paid {
    background: var(--success-soft);
    color: var(--success);
}

.badge-unpaid {
    background: var(--danger-soft);
    color: var(--danger);
}

.badge-transferred {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

/* ── Modals ── */
.modal-content {
    background: var(--bg-elevated);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--border-primary);
    padding: 1.25rem 1.5rem;
}

.modal-header .modal-title {
    font-weight: 600;
    color: var(--text-primary);
}

.modal-header .btn-close {
    filter: invert(1);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border-primary);
    padding: 1rem 1.5rem;
}

/* ── Toast ── */
.toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
}

.custom-toast {
    background: var(--bg-elevated);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    animation: slideIn 0.3s ease;
}

.custom-toast.toast-success {
    border-left: 4px solid var(--success);
}

.custom-toast.toast-error {
    border-left: 4px solid var(--danger);
}

.custom-toast.toast-warning {
    border-left: 4px solid var(--warning);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

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

/* ── Footer ── */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.site-footer h5 {
    color: var(--text-primary);
    font-weight: 600;
}

.site-footer p,
.site-footer a {
    color: var(--text-secondary);
}

.site-footer a:hover {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid var(--border-primary);
    padding-top: 1.5rem;
    margin-top: 2rem;
}

/* ── Progress Bar ── */
.progress {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    height: 10px;
}

.progress-bar {
    border-radius: var(--radius-sm);
}

/* ── Page Header ── */
.page-header {
    padding: 3rem 0;
    border-bottom: 1px solid var(--border-primary);
    margin-bottom: 2rem;
}

.page-header h1 {
    font-weight: 700;
    letter-spacing: -0.5px;
}

.page-header p {
    color: var(--text-secondary);
}

/* ── Section Titles ── */
.section-title {
    font-weight: 700;
    font-size: 2rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

/* ── Schedule Table ── */
.schedule-table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    min-width: 130px;
}

.schedule-table td {
    vertical-align: top;
    min-height: 60px;
}

.schedule-item {
    background: var(--accent-soft);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
}

.schedule-item .course-name {
    font-weight: 600;
    color: var(--text-primary);
}

.schedule-item .course-time {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ── Dues Toggle ── */
.dues-toggle-btn {
    cursor: pointer;
    font-size: 0.85rem;
    padding: 0.3rem 0.6rem;
    border: none;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.dues-toggle-btn.paid {
    background: var(--success-soft);
    color: var(--success);
}

.dues-toggle-btn.unpaid {
    background: var(--danger-soft);
    color: var(--danger);
}

.dues-toggle-btn:hover {
    transform: scale(1.05);
}

/* ── Messages ── */
.alert {
    border-radius: var(--radius-md);
    border: none;
}

.alert-success {
    background: var(--success-soft);
    color: var(--success);
}

.alert-danger,
.alert-error {
    background: var(--danger-soft);
    color: var(--danger);
}

.alert-warning {
    background: var(--warning-soft);
    color: var(--warning);
}

.alert-info {
    background: var(--accent-soft);
    color: var(--accent);
}

/* Pasife alma vb. modallar: text-dark kullanma — koyu alert-warning zeminiyle çakışıyordu */
.modal .passive-modal-notice {
    border: 1px solid rgba(245, 158, 11, 0.4);
    color: var(--text-primary);
}

.modal .passive-modal-notice .passive-modal-notice-lead {
    color: var(--warning);
    font-weight: 600;
}

.modal .passive-modal-notice-success {
    border: 1px solid rgba(52, 211, 153, 0.4);
    color: var(--text-primary);
}

.modal .passive-modal-notice-success .bi {
    color: var(--success);
}

/* ── Panel Main ── */
.panel-main {
    padding: var(--spacing-xl);
    min-height: calc(100vh - 56px);
}

.panel-welcome {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.panel-role-badge {
    display: inline-block;
    background: var(--accent-soft);
    color: var(--accent);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

/* ── Panel Role Tabs ── */
.panel-tabs-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 0.35rem;
    display: inline-flex;
}

.panel-tabs-wrapper {
    display: flex;
    gap: 0.25rem;
}

.panel-role-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.panel-role-tab i {
    font-size: 1.1rem;
}

.panel-role-tab:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.panel-role-tab.active {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(77, 130, 255, 0.3);
}

.panel-role-tab[data-tab="admin"].active {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
}

.panel-role-tab[data-tab="teacher"].active {
    background: linear-gradient(135deg, #10b981, #059669);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.35);
}

.panel-role-tab[data-tab="student"].active {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.35);
}

/* Tab pane visibility */
.panel-tab-pane {
    display: none;
}

.panel-tab-pane.active {
    display: block;
    animation: panelTabFadeIn 0.3s ease;
}

@keyframes panelTabFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

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

/* ── Login Page ── */
.login-container {
    max-width: 420px;
    margin: 5rem auto;
}

.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.login-card h2 {
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
}

/* ── Fullscreen Mobile Menu ── */
.mobile-fullscreen-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.mobile-fullscreen-menu.active {
    transform: translateX(0);
}

.mobile-fullscreen-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-primary);
    flex-shrink: 0;
}

.mobile-fullscreen-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.mobile-fullscreen-close:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.mobile-fullscreen-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1rem 0;
}

.mobile-fullscreen-section-title {
    padding: 0.75rem 1.5rem 0.4rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-muted);
    font-weight: 700;
}

.mobile-fullscreen-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.mobile-fullscreen-link:hover,
.mobile-fullscreen-link:active {
    background: var(--accent-soft);
    color: var(--accent);
    border-left-color: var(--accent);
}

.mobile-fullscreen-link i {
    font-size: 1.3rem;
    width: 28px;
    text-align: center;
    flex-shrink: 0;
}

.mobile-fullscreen-link-danger {
    color: var(--danger);
}

.mobile-fullscreen-link-danger:hover {
    background: var(--danger-soft);
    color: var(--danger);
    border-left-color: var(--danger);
}

.mobile-fullscreen-link-accent {
    color: var(--accent);
}

.mobile-fullscreen-link-accent:hover {
    background: var(--accent-soft);
    border-left-color: var(--accent);
}

.mobile-fullscreen-divider {
    border-top: 1px solid var(--border-primary);
    margin: 0.5rem 1.5rem;
}

/* Hide fullscreen menu on desktop */
@media (min-width: 992px) {
    .mobile-fullscreen-menu {
        display: none !important;
    }

    #mobileMenuToggle {
        display: none !important;
    }
}

/* Mobile sidebar nav – links vertical */
.mobile-sidebar-nav {
    display: flex;
    flex-direction: column;
    padding: 0.5rem 0;
}

.mobile-sidebar-nav .sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 0;
    transition: all 0.2s;
    text-decoration: none;
    border-left: 3px solid transparent;
}

.mobile-sidebar-nav .sidebar-link:hover,
.mobile-sidebar-nav .sidebar-link.active {
    background: var(--accent-soft);
    color: var(--accent);
    border-left-color: var(--accent);
}

.mobile-sidebar-nav .sidebar-link i {
    font-size: 1.15rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.mobile-sidebar-nav .sidebar-section-title {
    padding: 0.75rem 1.25rem 0.35rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
}

.mobile-sidebar-nav .sidebar-divider {
    border-top: 1px solid var(--border-primary);
    margin: 0.5rem 1rem;
}

/* Mobile Panel Header Bar */
.mobile-panel-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 0.6rem 1rem;
}

.mobile-menu-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-secondary);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.mobile-menu-btn:hover {
    background: var(--accent-soft);
    color: var(--accent);
    border-color: var(--accent);
}

.mobile-panel-title {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-primary);
    flex: 1;
}

/* ── Responsive – Tablet ── */
@media (max-width: 991px) {
    .panel-sidebar {
        display: none;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .hero-section {
        padding: 3rem 0;
    }

    .hero-section p {
        font-size: 1rem;
    }

    .panel-main {
        padding: var(--spacing-md);
    }

    .page-header {
        padding: 2rem 0;
        margin-bottom: 1.5rem;
    }

    .page-header h1 {
        font-size: 1.5rem;
    }

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-card .stat-value {
        font-size: 1.5rem;
    }

    .stat-card .stat-icon {
        font-size: 1.5rem;
    }

    .site-footer {
        padding: 2rem 0 1rem;
        margin-top: 2rem;
    }
}

/* ── Responsive – Mobile ── */
@media (max-width: 767px) {

    /* Base typography */
    body {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    /* Navbar */
    .navbar {
        padding: 0.5rem 0;
    }

    .navbar-brand {
        font-size: 1.15rem;
    }

    .nav-link {
        padding: 0.4rem 0.75rem !important;
        font-size: 0.9rem;
    }

    .dropdown-menu {
        font-size: 0.9rem;
    }

    /* Hero */
    .hero-section {
        padding: 2rem 0;
    }

    .hero-section h1 {
        font-size: 1.6rem;
        letter-spacing: -0.5px;
    }

    .hero-section p {
        font-size: 0.9rem;
    }

    .hero-section .btn {
        font-size: 0.85rem;
        padding: 0.45rem 1rem;
    }

    /* Page Header */
    .page-header {
        padding: 1.5rem 0;
        margin-bottom: 1rem;
    }

    .page-header h1 {
        font-size: 1.3rem;
    }

    .page-header p,
    .page-header .lead {
        font-size: 0.85rem;
    }

    .breadcrumb {
        font-size: 0.8rem;
    }

    /* Container & padding */
    .container {
        padding-left: 12px;
        padding-right: 12px;
    }

    .py-4 {
        padding-top: 1rem !important;
        padding-bottom: 1rem !important;
    }

    /* Cards */
    .card {
        margin-bottom: 0.75rem;
    }

    .card-body {
        padding: 1rem;
    }

    .card-title {
        font-size: 1rem;
    }

    .card-text {
        font-size: 0.85rem;
    }

    .card-img-top {
        height: 140px;
    }

    /* Widget Cards */
    .widget-card {
        padding: 1rem;
        margin-bottom: 1rem;
    }

    .widget-card h5,
    .widget-card h4 {
        font-size: 1rem;
        margin-bottom: 0.75rem;
        padding-bottom: 0.5rem;
    }

    /* Stat Cards */
    .stat-card {
        padding: 0.85rem 0.75rem;
    }

    .stat-card .stat-icon {
        font-size: 1.25rem;
        margin-bottom: 0.25rem;
    }

    .stat-card .stat-value {
        font-size: 1.25rem;
    }

    .stat-card .stat-label {
        font-size: 0.7rem;
        letter-spacing: 0.3px;
    }

    .row.g-3>[class*="col-md-4"] {
        flex: 0 0 33.333%;
        max-width: 33.333%;
    }

    /* Tables */
    .table {
        font-size: 0.8rem;
    }

    .table thead th {
        padding: 0.5rem;
        font-size: 0.75rem;
    }

    .table tbody td {
        padding: 0.5rem;
    }

    .table-responsive {
        margin: 0 -0.25rem;
    }

    /* Buttons */
    .btn {
        font-size: 0.85rem;
        padding: 0.4rem 0.9rem;
    }

    .btn-sm {
        font-size: 0.78rem;
        padding: 0.3rem 0.6rem;
    }

    .btn i.me-1,
    .btn i.me-2 {
        margin-right: 0.25rem !important;
    }

    /* Action button groups */
    .d-flex.justify-content-between.align-items-center {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .d-flex.justify-content-between.align-items-center h5 {
        font-size: 0.95rem;
    }

    /* Forms */
    .form-control,
    .form-select {
        padding: 0.5rem 0.7rem;
        font-size: 0.9rem;
    }

    .form-label {
        font-size: 0.85rem;
    }

    .checkbox-group {
        padding: 8px;
    }

    .checkbox-group .form-check {
        padding: 0.3rem 0;
        padding-left: 1.6rem;
    }

    .form-check-label {
        font-size: 0.9rem;
    }

    /* Modals */
    .modal-dialog {
        margin: 0.5rem;
    }

    .modal-content {
        border-radius: var(--radius-md);
    }

    .modal-header {
        padding: 1rem;
    }

    .modal-body {
        padding: 1rem;
    }

    .modal-footer {
        padding: 0.75rem 1rem;
    }

    .modal-header .modal-title {
        font-size: 1rem;
    }

    /* Login */
    .login-container {
        margin: 2rem auto;
        padding: 0 1rem;
    }

    .login-card {
        padding: 1.5rem;
    }

    .login-card h2 {
        font-size: 1.3rem;
        margin-bottom: 1.25rem;
    }

    /* Admin Panel */
    .panel-welcome {
        font-size: 1.15rem;
    }

    .panel-role-badge {
        font-size: 0.75rem;
        padding: 0.2rem 0.5rem;
    }

    .panel-main {
        padding: 0.75rem;
    }

    /* Footer */
    .site-footer {
        padding: 1.5rem 0 1rem;
        margin-top: 2rem;
    }

    .site-footer h5 {
        font-size: 1rem;
    }

    .site-footer p,
    .site-footer a,
    .site-footer li {
        font-size: 0.85rem;
    }

    .footer-bottom {
        padding-top: 1rem;
        margin-top: 1rem;
    }

    .footer-bottom p {
        font-size: 0.8rem;
    }

    /* Badges */
    .badge {
        font-size: 0.7rem;
        padding: 0.25em 0.5em;
    }

    /* Schedule Table */
    .schedule-table th {
        min-width: 90px;
        font-size: 0.8rem;
    }

    .schedule-item {
        padding: 0.35rem 0.5rem;
        font-size: 0.78rem;
    }

    .schedule-item .course-name {
        font-size: 0.8rem;
    }

    /* Sidebar Links in Offcanvas */
    .offcanvas .sidebar-link {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    /* Toast */
    .toast-container {
        top: 70px;
        right: 10px;
        left: 10px;
    }

    .custom-toast {
        min-width: auto;
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
    }

    /* Progress bar */
    .progress {
        height: 8px;
    }

    /* Dues toggle */
    .dues-toggle-btn {
        font-size: 0.78rem;
        padding: 0.25rem 0.5rem;
    }

    /* Section titles */
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 1.25rem;
    }

    /* Empty state */
    .empty-state {
        padding: 2rem 0.5rem;
    }

    .empty-state i {
        font-size: 2rem;
    }

    .empty-state p {
        font-size: 0.85rem;
    }

    /* Course enrollment */
    .row.g-4>.col-lg-6 {
        margin-bottom: 0.5rem;
    }

    /* Alert */
    .alert {
        font-size: 0.85rem;
        padding: 0.6rem 1rem;
    }

    /* Home page sections */
    .home-section {
        padding-top: 1.5rem !important;
        padding-bottom: 1.5rem !important;
    }

    .home-section .section-title {
        font-size: 1.25rem;
        margin-bottom: 0.5rem;
    }

    .home-section .card-img-top {
        height: 120px !important;
        object-fit: cover;
    }

    .home-section .card-body {
        padding: 0.65rem;
    }

    .home-section .card-title {
        font-size: 0.85rem;
    }

    .home-section .card-text {
        font-size: 0.78rem;
    }

    .home-section .btn-sm {
        font-size: 0.72rem;
        padding: 0.22rem 0.55rem;
    }

    .home-card {
        border-radius: var(--radius-md);
        overflow: hidden;
    }

    .home-card .card-body {
        display: flex;
        flex-direction: column;
    }

    /* Panel Tabs */
    .panel-tabs-container {
        display: flex;
        width: 100%;
        padding: 0.25rem;
    }

    .panel-tabs-wrapper {
        width: 100%;
    }

    .panel-role-tab {
        flex: 1;
        justify-content: center;
        padding: 0.5rem 0.5rem;
        font-size: 0.8rem;
        gap: 0.35rem;
    }

    .panel-role-tab i {
        font-size: 0.95rem;
    }

    /* Hero compact */
    .hero-section .btn-lg {
        font-size: 0.85rem;
        padding: 0.45rem 1rem;
    }
}

/* ── Responsive – Small Mobile ── */
@media (max-width: 480px) {
    body {
        font-size: 0.85rem;
    }

    .hero-section h1 {
        font-size: 1.35rem;
    }

    .hero-section p {
        font-size: 0.85rem;
    }

    .page-header h1 {
        font-size: 1.15rem;
    }

    .navbar-brand {
        font-size: 1.05rem;
    }

    .widget-card {
        padding: 0.85rem;
    }

    .stat-card .stat-value {
        font-size: 1.1rem;
    }

    .stat-card .stat-icon {
        font-size: 1.1rem;
    }

    .stat-card .stat-label {
        font-size: 0.65rem;
    }

    .table {
        font-size: 0.75rem;
    }

    .table thead th {
        font-size: 0.7rem;
        padding: 0.4rem;
    }

    .table tbody td {
        padding: 0.4rem;
    }

    .btn-sm {
        font-size: 0.72rem;
        padding: 0.2rem 0.45rem;
    }

    .login-card {
        padding: 1.25rem;
    }

    .login-card h2 {
        font-size: 1.15rem;
    }

    .modal-dialog {
        margin: 0.25rem;
    }
}

/* ── Empty State ── */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

/* ── Mobile Layout Adjustments ── */
@media (max-width: 768px) {
    :root {
        --spacing-md: 0.75rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.25rem;
    }

    .widget-card {
        padding: 1rem;
        margin-bottom: 1rem;
    }

    .stat-card {
        padding: 1rem;
    }

    .page-header {
        padding: 1.5rem 0;
        margin-bottom: 1.25rem;
    }

    .table thead th,
    .table tbody td {
        padding: 0.5rem;
        font-size: 0.85rem;
    }
}