/* ==============================================
   NAMUNA — Modern Dashboard Design System
   Primary: #5c6bc0 (indigo-purple, GyanUday-inspired)
   ============================================== */

/* ── Google Font import ── */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    color-scheme: dark;
    /* Brand */
    --primary:        #48a2d1;
    --primary-hover:  #3b8bb5;
    --primary-rgb:    72, 162, 209;
    --primary-light:  rgba(72, 162, 209, 0.10);

    /* Dark mode surfaces */
    --bg-dark:        #0f1117;
    --bg-card:        #161b27;
    --bg-subtle:      #1e2536;

    --text-main:      #e8edf5;
    --text-muted:     #8892a4;

    --glass-border:   #2a3348;
    --input-bg:       #1e2536;

    --table-row-bg:       #161b27;
    --table-row-hover:    rgba(92, 107, 192, 0.08);

    --success:        #22c55e;
    --danger:         #ef4444;
    --warning:        #f59e0b;

    --success-bg:     rgba(34, 197, 94, 0.12);
    --success-text:   #4ade80;
    --danger-bg:      rgba(239, 68, 68, 0.12);
    --danger-text:    #f87171;
    --warning-bg:     rgba(245, 158, 11, 0.12);
    --warning-text:   #fbbf24;
    --info-bg:        rgba(92, 107, 192, 0.12);
    --info-text:      #818cf8;

    --modal-overlay:  rgba(2, 6, 15, 0.72);

    --sidebar-bg:     #48a2d1;
    --sidebar-width:  240px;

    --shadow-sm:   0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
    --shadow-md:   0 4px 16px rgba(0,0,0,0.18);
    --shadow-lg:   0 8px 32px rgba(0,0,0,0.24);
    --shadow-card: 0 2px 8px rgba(0,0,0,0.10), 0 1px 2px rgba(0,0,0,0.06);
}

/* ── Light mode ── */
body.light, .light {
    color-scheme: light;
    --bg-dark:        #f0f2f8;
    --bg-card:        #ffffff;
    --bg-subtle:      #f5f7fc;

    --text-main:      #1e2240;
    --text-muted:     #6b74a0;

    --glass-border:   #e0e4f0;
    --input-bg:       #f5f7fc;

    --table-row-bg:       #ffffff;
    --table-row-hover:    rgba(92, 107, 192, 0.05);

    --success-bg:     rgba(34, 197, 94, 0.08);
    --success-text:   #16a34a;
    --danger-bg:      rgba(239, 68, 68, 0.08);
    --danger-text:    #dc2626;
    --warning-bg:     rgba(245, 158, 11, 0.08);
    --warning-text:   #b45309;
    --info-bg:        rgba(92, 107, 192, 0.08);
    --info-text:      #5c6bc0;

    --modal-overlay:  rgba(15, 20, 50, 0.40);
    --primary-light:  rgba(92, 107, 192, 0.08);

    --shadow-sm:   0 1px 3px rgba(72,162,209,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md:   0 4px 20px rgba(72,162,209,0.12);
    --shadow-lg:   0 8px 40px rgba(72,162,209,0.15);
    --shadow-card: 0 2px 12px rgba(72,162,209,0.08), 0 1px 3px rgba(0,0,0,0.04);
}

.teacher-theme {
    --primary:        #3d7a5c;
    --primary-hover:  #2d6349;
    --primary-rgb:    61, 122, 92;
    --primary-light:  rgba(61, 122, 92, 0.10);
    --sidebar-bg:     #3d7a5c;
}

/* ── Reset ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 15px;
}

.bg-gradient {
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    z-index: -1;
}

/* ── Cards / Panels ── */
.glass, .card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-top: 4px solid var(--primary);
    border-radius: 1rem;
    box-shadow: var(--shadow-card);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.glass:hover, .card:hover { 
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg); 
}

/* ── Typography ── */
.page-header {
    background: transparent;
    padding: 0;
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-header h1 {
    color: var(--text-main) !important;
    font-size: 1.75rem; 
    font-weight: 700; 
    letter-spacing: -0.02em; 
    margin-bottom: 0.25rem;
}

.page-header p.muted {
    color: var(--text-muted) !important;
}

h1 { font-size: 1.75rem; font-weight: 700; letter-spacing: -0.02em; color: var(--text-main); margin-bottom: 0.25rem; }
h2 { font-size: 1.4rem; font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

p.muted { color: var(--text-muted); font-size: 0.88rem; }

.text-truncate, .truncate-text {
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    display: block !important;
    min-width: 0 !important;
}

.flex-truncate-container {
    display: flex !important;
    align-items: center !important;
    min-width: 0 !important;
    flex: 1 !important;
}

.flex-column-truncate {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    min-width: 0 !important;
    flex: 1 !important;
    overflow: hidden !important;
}


/* ── Labels ── */
label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ── Form Groups ── */
.form-group { margin-bottom: 1.25rem; transition: all 0.2s; }
.form-group:focus-within label { color: var(--primary); font-weight: 700; }

.char-counter-mini {
    text-align: right;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
    font-weight: 600;
}

/* ── Inputs ── */
input[type="search"],
.glass-input,
.glass-select {
    width: 100%;
    padding: 0.85rem 1.15rem;
}

input,
textarea,
select:not([multiple]) {
    background: var(--input-bg);
    border: 1.5px solid transparent;
    border-radius: 0.75rem;
    color: var(--text-main);
    font-size: 0.95rem;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
    text-overflow: ellipsis;
}

input:focus,
textarea:focus,
select:not([multiple]):focus,
.glass-select:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-card);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.15), 0 0 0 3px rgba(var(--primary-rgb), 0.1);
    transform: translateY(-2px);
}

input::placeholder,
textarea::placeholder { color: var(--text-muted); opacity: 0.65; }

textarea { resize: vertical; min-height: 100px; }

/* ── Select ── */
select:not([multiple]),
.glass-select {
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%238892a4'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 0.75rem center !important;
    background-size: 1rem !important;
    padding-right: 2.25rem !important;
    cursor: pointer;
}

select option { background-color: var(--bg-card); color: var(--text-main); }

/* ── Password Toggle ── */
.password-wrapper { position: relative; width: 100%; display: flex; align-items: center; }
.password-wrapper input { padding-right: 3.2rem !important; }

.toggle-password {
    position: absolute;
    right: 0.4rem;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-muted);
    width: 2.2rem;
    height: 2.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 0.4rem;
    transition: all 0.15s;
    outline: none;
}
.toggle-password:hover { color: var(--primary); background: var(--primary-light); }
.toggle-password:active { transform: translateY(-50%) scale(0.9); }

/* ── Glass Dropdown ── */
.glass-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0; right: 0;
    background: var(--bg-card);
    border: 1.5px solid var(--glass-border);
    border-radius: 0.75rem;
    z-index: 200;
    max-height: 260px;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.dropdown-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: background 0.12s;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 500;
}
.dropdown-item:last-child { border-bottom: none; }
.dropdown-item:hover { background: var(--primary-light); color: var(--primary); }

/* ── Buttons ── */
.btn {
    width: auto;
    padding: 0.65rem 1.4rem;
    background: var(--bg-card);
    border: 1.5px solid var(--glass-border);
    color: var(--text-main);
    border-radius: 0.65rem;
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    transition: all 0.18s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    text-decoration: none;
    letter-spacing: 0.01em;
}
.btn:hover {
    background: var(--bg-subtle);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 3px 10px rgba(var(--primary-rgb), 0.30);
}
.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    color: #fff;
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.40);
    transform: translateY(-2px);
}

.btn-danger { background: var(--danger); color: #ffffff; border-color: var(--danger); box-shadow: 0 3px 10px rgba(239,68,68,0.28); }
.btn-danger:hover { filter: brightness(0.9); color: #fff; transform: translateY(-1px); }

.btn-sm { padding: 0.42rem 0.9rem; font-size: 0.8rem; border-radius: 0.5rem; }

/* ── Secondary button ── */
.btn-secondary {
    background: var(--bg-subtle);
    border-color: var(--glass-border);
    color: var(--text-muted);
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }

/* ── Filter / Search Bar ── */
.filter-bar {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    background: var(--bg-card);
    padding: 0.35rem 0.5rem;
    border-radius: 3rem;
    border: 1.5px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
    max-width: 100%;
}

.search-input-group { position: relative; display: flex; align-items: center; }

.search-input-group i {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    pointer-events: none;
}

.search-input-group input {
    padding-left: 2.75rem;
    border-radius: 3rem;
    height: 38px;
    background: var(--bg-subtle);
    border: 1.5px solid transparent;
    width: 230px;
    font-size: 0.88rem;
}
.search-input-group input:focus {
    border-color: var(--primary);
    background: var(--bg-card);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.10);
}

.filter-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b74a0'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 0.85rem;
    padding-right: 2.25rem !important;
    background-color: var(--bg-subtle);
    border: 1.5px solid transparent;
    border-radius: 3rem;
    height: 38px;
    padding-left: 1rem;
    color: var(--text-main);
    cursor: pointer;
    font-size: 0.88rem;
    font-family: inherit;
    font-weight: 500;
    transition: all 0.15s;
    outline: none;
    min-width: 130px;
}
.filter-select:focus { border-color: var(--primary); background-color: var(--bg-card); }

.btn-icon {
    background: var(--bg-subtle);
    border: 1.5px solid var(--glass-border);
    color: var(--text-muted);
    width: 36px; height: 36px;
    border-radius: 0.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s;
    flex-shrink: 0;
}
.btn-icon:hover { background: var(--primary-light); color: var(--primary); border-color: var(--primary); }

/* ── Error / Info messages ── */
.error-msg {
    color: var(--danger-text);
    background: var(--danger-bg);
    padding: 0.65rem 1rem;
    border-radius: 0.6rem;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    display: none;
    border-left: 3px solid var(--danger);
}
.error-msg.show { display: block; }

/* ── Dashboard Layout ── */
.dashboard-container { display: flex; min-height: 100vh; }

/* ── Sidebar — base (overridden by partials) ── */
.sidebar {
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    width: var(--sidebar-width, 240px);
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    z-index: 100;
    overflow: hidden;
    border-radius: 0 1.75rem 1.75rem 0;
    box-shadow: 4px 0 24px rgba(92, 107, 192, 0.22);
}

/* ── Nav Items ── */
.nav-item {
    display: flex;
    align-items: center;
    padding: 0.7rem 1rem;
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    border-radius: 0.6rem;
    margin-bottom: 0.2rem;
    transition: all 0.18s;
    font-size: 0.92rem;
    font-weight: 500;
    gap: 0.75rem;
    position: relative;
}
.nav-item:hover { background: rgba(255,255,255,0.12); color: #ffffff; }
.nav-item.active { background: rgba(255,255,255,0.20); color: #ffffff; font-weight: 600; }
.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0; top: 25%; bottom: 25%;
    width: 3px;
    background: #ffffff;
    border-radius: 0 3px 3px 0;
}
.nav-item i { width: 20px; text-align: center; font-size: 0.95rem; flex-shrink: 0; }

.logout-btn { margin-top: auto; color: rgba(255,255,255,0.50) !important; }
.logout-btn:hover { background: rgba(239,68,68,0.20) !important; color: #fca5a5 !important; }

/* ── Main Content ── */
.main-content {
    flex: 1;
    padding: 2rem 2.25rem;
    margin-left: var(--sidebar-width, 240px);
    min-height: 100vh;
    background: var(--bg-dark);
    overflow-x: hidden;
    min-width: 0;
}

/* ── Cards ── */
.card {
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    box-shadow: var(--shadow-card);
    max-width: 100%;
    overflow: hidden;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.75rem;
}

/* ── Animations ── */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}
.animate-fade { animation: fadeIn 0.38s ease forwards; }

/* ── Modals ── */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--modal-overlay);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.modal-content {
    width: 100%;
    max-width: 820px;
    max-height: 92vh;
    overflow-y: auto;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-top: 4px solid var(--primary);
    border-radius: 1.5rem;
    padding: 2rem;
    box-shadow: 0 24px 64px rgba(0,0,0,0.22);
    animation: modalSlide 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
}
.modal-header h3 { font-size: 1.15rem; font-weight: 700; }

.modal-close {
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-muted);
    transition: color 0.15s;
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 0.4rem;
}
.modal-close:hover { color: var(--danger); background: var(--danger-bg); }

@keyframes modalSlide {
    from { opacity: 0; transform: translateY(24px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Pagination ── */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--glass-border);
}

.page-btn {
    width: 34px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 0.5rem;
    background: var(--bg-card);
    border: 1.5px solid var(--glass-border);
    color: var(--text-main);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
}
.page-btn:hover:not(:disabled) { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); color: white; border-color: var(--primary); }
.page-btn:disabled { opacity: 0.35; cursor: not-allowed; }

/* ── Checkboxes ── */
.checkbox-column { width: 44px; text-align: center; padding: 0 0.5rem; }

.custom-checkbox {
    width: 16px; height: 16px;
    min-width: 16px; min-height: 16px;
    border-radius: 4px;
    border: 1.5px solid var(--glass-border);
    flex-shrink: 0;
    margin: 0; padding: 0;
    display: inline-flex; align-items: center; justify-content: center;
    vertical-align: middle;
    appearance: none; -webkit-appearance: none;
    outline: none;
    cursor: pointer;
    transition: all 0.15s;
    position: relative;
    background: var(--bg-card);
}
.custom-checkbox:hover { border-color: var(--primary); }
.custom-checkbox:checked { background: var(--primary); border-color: var(--primary); }
.custom-checkbox:checked::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: white;
    font-size: 9px;
}

/* ── Row Selection ── */
.row-selected td { background: var(--table-row-hover) !important; border-color: rgba(var(--primary-rgb), 0.2) !important; }

/* ── Bulk Actions ── */
.bulk-actions-bar { display: none !important; }
.bulk-actions-bar.show { transform: translateX(-50%) translateY(0); opacity: 1; visibility: visible; }

.bulk-info { display: flex; align-items: center; gap: 0.75rem; color: var(--text-main); font-weight: 600; }

.bulk-count-badge {
    background: var(--primary);
    color: white;
    padding: 0.2rem 0.65rem;
    border-radius: 2rem;
    font-size: 0.8rem;
    font-weight: 700;
}

.bulk-btns { display: flex; gap: 0.75rem; }

.btn-bulk-delete {
    background: var(--danger-bg);
    color: var(--danger-text);
    border: 1.5px solid rgba(239,68,68,0.2);
    padding: 0.45rem 1rem;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.15s;
    display: flex; align-items: center; gap: 0.5rem;
}
.btn-bulk-delete:hover { background: var(--danger); color: white; border-color: var(--danger); }

.btn-bulk-delete-header {
    background: var(--danger);
    color: #ffffff;
    border: none;
    padding: 0.4rem 1rem;
    border-radius: 2rem;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
    display: inline-flex; align-items: center; gap: 0.4rem;
}
.btn-bulk-delete-header:hover { filter: brightness(0.9); transform: translateY(-1px); }

.btn-bulk-cancel {
    background: var(--bg-subtle);
    color: var(--text-main);
    border: 1.5px solid var(--glass-border);
    padding: 0.4rem 1rem;
    border-radius: 2rem;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    display: inline-flex; align-items: center;
}
.btn-bulk-cancel:hover { border-color: var(--primary); color: var(--primary); }

.header-bulk-info {
    display: flex; align-items: center;
    width: 100%;
    padding: 0.5rem 1rem;
    gap: 1.25rem;
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 700;
}

.bulk-header-row {
    display: none;
    background: var(--primary) !important;
    border-radius: 0.75rem;
    overflow: hidden;
}

/* ── Tables ── */
table { width: 100%; border-collapse: collapse; }

thead th {
    text-align: left;
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    border-bottom: 1.5px solid var(--glass-border);
    background: var(--bg-card);
}

tbody tr {
    background: var(--table-row-bg);
    border-bottom: 1px solid var(--glass-border);
    transition: background 0.12s;
}
tbody tr:hover { background: var(--table-row-hover); }
tbody tr:last-child { border-bottom: none; }

td {
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
    vertical-align: middle;
    color: var(--text-main);
}

/* ── Status Badges ── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.7rem;
    border-radius: 2rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}
.badge-success { background: var(--success-bg); color: var(--success-text); }
.badge-danger  { background: var(--danger-bg);  color: var(--danger-text);  }
.badge-warning { background: var(--warning-bg); color: var(--warning-text); }
.badge-info    { background: var(--info-bg);    color: var(--info-text);    }

/* ── Avatar ── */
.avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.78rem;
    font-weight: 700;
    flex-shrink: 0;
    object-fit: cover;
}

/* ── Responsive ── */
.mobile-nav-toggle {
    display: none;
    background: var(--bg-card);
    border: 1.5px solid var(--glass-border);
    color: var(--text-main);
    width: 42px;
    height: 42px;
    border-radius: 0.75rem;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    z-index: 1001;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.mobile-nav-toggle:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: var(--modal-overlay);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 98;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

.sidebar-close {
    display: none;
    position: absolute;
    top: 1.5rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 0.5rem;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 101;
}

@media (max-width: 1024px) {
    .sidebar { 
        transform: translateX(-100%);
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
        box-shadow: none !important;
        border-radius: 0 2rem 2rem 0 !important;
    }
    
    .sidebar.active { 
        transform: translateX(0) !important;
        box-shadow: 10px 0 40px rgba(0,0,0,0.3) !important;
    }

    .main-content { 
        margin-left: 0 !important; 
        padding: 1.5rem; 
        width: 100%;
    }

    .mobile-nav-toggle {
        display: flex;
    }

    .sidebar-close {
        display: flex;
    }

    .page-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        justify-content: flex-start !important;
        text-align: left !important;
        gap: 1.25rem;
    }

    .page-header > div:not(:first-child) {
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .filter-bar {
        width: 100%;
        overflow-x: auto;
        padding: 0.5rem;
        border-radius: 1.5rem;
        justify-content: flex-start;
        -ms-overflow-style: none;
        scrollbar-width: none;
    }

    .filter-bar::-webkit-scrollbar {
        display: none;
    }
}

@media (max-width: 768px) {
    .stats-grid { 
        grid-template-columns: 1fr 1fr; 
        gap: 1rem;
    }
    
    .main-content {
        padding: 1rem;
    }

    .card {
        padding: 1.25rem;
    }
}

@media (max-width: 480px) {
    .stats-grid { 
        grid-template-columns: 1fr; 
    }
    
    .page-header h1 {
        font-size: 1.5rem;
        text-align: left !important;
        margin-left: 0 !important;
    }

    .page-header p.muted {
        text-align: left !important;
        margin-left: 0 !important;
    }

    .page-header > div:first-child {
        width: 100% !important;
        justify-content: flex-start !important;
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        text-align: left !important;
    }

    .page-header > div:not(:first-child) {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
    }

    .btn {
        width: 100%;
    }
}

/* iOS style switch toggle */
.ios-switch {
    position: relative;
    appearance: none;
    -webkit-appearance: none;
    width: 3.2rem;
    height: 1.7rem;
    background: var(--bg-subtle);
    border-radius: 2rem;
    border: 1.5px solid var(--glass-border);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    display: inline-block;
    vertical-align: middle;
}

.ios-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: calc(1.7rem - 8px);
    height: calc(1.7rem - 8px);
    background: #ffffff;
    border-radius: 50%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.ios-switch:checked {
    background: var(--primary);
    border-color: var(--primary);
}

.ios-switch:checked::after {
    left: calc(100% - (1.7rem - 6px));
}

.ios-switch:focus {
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
}