/* ============================================================
   EduAssess Pro — Global Design System
   Primary:   Emerald Green  #10B981
   Secondary: Deep Blue      #1E3A8A
   Accent:    Teal           #0D9488
   Neutral:   Light Gray backgrounds
   Dark Mode: Navy backgrounds
   ============================================================ */

/* ── CSS VARIABLES — LIGHT MODE ─────────────────────────────── */
:root,
[data-theme="light"] {
    --green:        #10B981;
    --green-dark:   #059669;
    --green-darker: #047857;
    --green-light:  #ECFDF5;
    --green-mid:    #D1FAE5;
    --blue:         #1E3A8A;
    --blue-mid:     #1D4ED8;
    --blue-light:   #EFF6FF;
    --teal:         #0D9488;
    --teal-light:   #F0FDFA;
    --amber:        #F59E0B;
    --amber-light:  #FFFBEB;
    --red:          #EF4444;
    --red-light:    #FEF2F2;
    --purple:       #7C3AED;
    --orange:       #EA580C;

    /* Backgrounds */
  /*  --bg-body:      #F1F5F9;*/
    --bg-card:      #FFFFFF;
    --bg-sidebar:   #FFFFFF;
    --bg-input:     #FFFFFF;
    --bg-hover:     #F8FAFC;
    --bg-muted:     #F1F5F9;

    /* Text */
    --text-primary:   #0F172A;
    --text-secondary: #334155;
    --text-muted:     #64748B;
    --text-light:     #94A3B8;

    /* Borders */
    --border:       #E2E8F0;
    --border-focus: #10B981;

    /* Shadows */
    --shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md:   0 4px 12px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
    --shadow-lg:   0 10px 30px rgba(0,0,0,.1), 0 4px 12px rgba(0,0,0,.05);

    /* Sidebar */
    --sidebar-width:    256px;
    --topbar-height:    60px;
}

/* ── CSS VARIABLES — DARK MODE ──────────────────────────────── */
[data-theme="dark"] {
    --green:        #10B981;
    --green-dark:   #059669;
    --green-darker: #047857;
    --green-light:  rgba(16,185,129,.12);
    --green-mid:    rgba(16,185,129,.2);
    --blue-light:   rgba(30,58,138,.3);
    --teal-light:   rgba(13,148,136,.15);
    --amber-light:  rgba(245,158,11,.12);
    --red-light:    rgba(239,68,68,.12);

    /* Backgrounds */
    --bg-body:      #0F172A;
    --bg-card:      #1E293B;
    --bg-sidebar:   #1E293B;
    --bg-input:     #0F172A;
    --bg-hover:     #334155;
    --bg-muted:     #334155;

    /* Text */
    --text-primary:   #F1F5F9;
    --text-secondary: #CBD5E1;
    --text-muted:     #94A3B8;
    --text-light:     #64748B;

    /* Borders */
    --border:       #334155;
    --border-focus: #10B981;

    /* Shadows */
    --shadow-sm:   0 1px 3px rgba(0,0,0,.3);
    --shadow-md:   0 4px 12px rgba(0,0,0,.4);
    --shadow-lg:   0 10px 30px rgba(0,0,0,.5);
}

/* ── RESET & BASE ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { font-size: 16px; }

body {
    margin: 0;
    font-family: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
    font-size: 13.5px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-body);
    -webkit-font-smoothing: antialiased;
    transition: background .2s, color .2s;
}

a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── LAYOUT ──────────────────────────────────────────────────── */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ── SIDEBAR ─────────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--topbar-height); left: 0; bottom: 0;
    z-index: 100;
    overflow: hidden;
    transition: background .2s, border-color .2s;
    padding: 0px 0px 10px 10px;
}

.sidebar-brand {
    padding: 16px 18px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border);
   
    flex-shrink: 0;
    position: sticky;
    top: 0;
    background: var(--bg-sidebar);
    z-index: 2;
}
.sidebar-brand-icon {
    width: 34px; height: 34px;
    background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    flex-shrink: 0;
}
.sidebar-brand-text { line-height: 1.2; }
.sidebar-brand-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
}
.sidebar-brand-tier {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .5px;
    display: block;
}

/* Sidebar nav */
.sidebar-nav {
    padding: 8px 0;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    scroll-behavior: smooth;
}
.sidebar-nav::-webkit-scrollbar { width: 10px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--border); border-radius: 5px; }

.sidebar-section {
    padding: 12px 16px 4px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: teal;
    font-weight: 800;
    border-bottom: 1px solid var(--border);
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 7px 16px;
    margin: 4px;
    color: var(--text-muted);
    font-size: 12.5px;
   
    text-decoration: none;
    transition: all .15s;
    cursor: pointer;
    position: relative;
}
.sidebar-item:hover {
    color: var(--green);
    border-radius: 12px;
    background: var(--green-light);
    text-decoration: none;
}
.sidebar-item.active {
    color: whitesmoke;
    background: var(--green);
    border-radius: 12px;
    font-weight: 600;
}
.sidebar-item i { font-size: 14px; flex-shrink: 0; width: 16px; text-align: center; }

.sidebar-badge {
    margin-left: auto;
    background: var(--green);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    border-radius: 10px;
    padding: 1px 6px;
    line-height: 1.5;
}

/* Sidebar footer - term indicator */
.sidebar-footer {
    padding: 3px 16px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
    background: var(--bg-sidebar);
    position: sticky;
    bottom: 0;
    z-index: 2;
}
.sidebar-term {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--green-light);
    border: 1px solid var(--green-mid);
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 11.5px;
    color: var(--green-dark);
    font-weight: 600;
}
.sidebar-term i { color: var(--green); }

/* ── MAIN CONTENT AREA ───────────────────────────────────────── */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-top: var(--topbar-height);
}


/* ── TOPBAR (stretches full window width, overlapping the sidebar) ── */
.topbar {
    height: var(--topbar-height);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    position: fixed;
    top: 0; left: 0; right: 0;
    width: 100%;
    z-index: 200;
    transition: background .2s;
}

.topbar-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    color: var(--text-muted);
    flex: 1;
}
.topbar-breadcrumb a { color: var(--text-muted); text-decoration: none; }
.topbar-breadcrumb a:hover { color: var(--green); }
.topbar-breadcrumb .current { color: var(--text-primary); font-weight: 600; }
.topbar-breadcrumb .sep { color: var(--text-light); }

/* Search bar */
.topbar-search {
    position: relative;
    flex: 0 0 300px;
}
.topbar-search input {
    width: 100%;
    height: 36px;
    background: var(--bg-muted);
    border: 1.5px solid var(--border);
    border-radius: 8px;
    padding: 0 12px 0 36px;
    font-size: 12.5px;
    color: var(--text-primary);
    outline: none;
    transition: border-color .2s, background .2s;
}
.topbar-search input:focus {
    border-color: var(--green);
    background: var(--bg-card);
    box-shadow: 0 0 0 3px rgba(16,185,129,.1);
}
.topbar-search input::placeholder { color: var(--text-light); }
.topbar-search .search-icon {
    position: absolute;
    left: 11px; top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 13px;
}

/* Topbar right actions */
.topbar-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }

.topbar-btn {
    width: 36px; height: 36px;
    background: none;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    transition: all .15s;
    position: relative;
    text-decoration: none;
}
.topbar-btn:hover { border-color: var(--green); color: var(--green); background: var(--green-light); }

.topbar-notif-badge {
    position: absolute;
    top: -4px; right: -4px;
    background: var(--red);
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    border-radius: 50%;
    width: 16px; height: 16px;
    display: flex; align-items: center; justify-content: center;
    border: 2px solid var(--bg-card);
}

/* User avatar */
.topbar-user {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 10px 4px 4px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: all .15s;
    background: none;
    color: var(--text-primary);
    text-decoration: none;
}
.topbar-user:hover { border-color: var(--green); background: var(--green-light); }

.user-avatar {
    width: 30px; height: 30px;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: 700; color: #fff;
    flex-shrink: 0;
}
.user-info { line-height: 1.2; text-align: left; }
.user-name  { font-size: 12px; font-weight: 600; color: var(--text-primary); display: block; }
.user-role  { font-size: 10px; color: var(--text-muted); display: block; }

/* Avatar colours */
.avatar-green  { background: var(--green); }
.avatar-blue   { background: var(--blue-mid); }
.avatar-purple { background: var(--purple); }
.avatar-teal   { background: var(--teal); }
.avatar-amber  { background: var(--amber); }
.avatar-rose   { background: #E11D48; }

/* ── PAGE CONTENT ────────────────────────────────────────────── */
.page-content { padding: 28px 32px; flex: 1; }

.page-header { margin-bottom: 24px; }
.page-header h1 {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 4px;
    letter-spacing: -.4px;
}
.page-header p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
}
.page-header-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* ── CARDS ───────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: background .2s, border-color .2s;
}
.card-body { padding: 20px; }
.card-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    background: transparent;
    border-radius: 12px 12px 0 0;
}
.card-header h5, .card-header h6 {
    margin: 0;
    font-weight: 700;
    color: var(--text-primary);
}

/* Stat cards */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: all .2s;
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }

.stat-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .8px;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 8px;
}
.stat-value {
    font-size: 30px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    letter-spacing: -1px;
}
.stat-change {
    font-size: 11.5px;
    font-weight: 600;
    margin-top: 6px;
    display: inline-flex;
    align-items: center;
    gap: 3px;
}
.stat-change.up   { color: var(--green); }
.stat-change.down { color: var(--red); }

.stat-icon {
    width: 44px; height: 44px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px;
}
.stat-icon.green  { background: var(--green-light);  color: var(--green); }
.stat-icon.blue   { background: var(--blue-light);   color: var(--blue-mid); }
.stat-icon.teal   { background: var(--teal-light);   color: var(--teal); }
.stat-icon.amber  { background: var(--amber-light);  color: var(--amber); }
.stat-icon.red    { background: var(--red-light);    color: var(--red); }
.stat-icon.purple { background: rgba(124,58,237,.1); color: var(--purple); }

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn {
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 16px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all .15s;
    border: 1.5px solid transparent;
    cursor: pointer;
    line-height: 1.4;
}
.btn-primary {
    background: var(--green);
    border-color: var(--green);
    color: #fff;
}
.btn-primary:hover {
    background: var(--green-dark);
    border-color: var(--green-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16,185,129,.35);
}
.btn-secondary {
    background: transparent;
    border-color: var(--border);
    color: var(--text-secondary);
}
.btn-secondary:hover {
    border-color: var(--green);
    color: var(--green);
    background: var(--green-light);
}
.btn-danger {
    background: var(--red);
    border-color: var(--red);
    color: #fff;
}
.btn-danger:hover {
    background: #DC2626;
    border-color: #DC2626;
    color: #fff;
}
.btn-outline {
    background: transparent;
    border-color: var(--border);
    color: var(--text-secondary);
}
.btn-outline:hover { border-color: var(--green); color: var(--green); background: var(--green-light); }

.btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 6px; }
.btn-lg { padding: 11px 22px; font-size: 14px; border-radius: 10px; }

.btn-icon {
    width: 32px; height: 32px;
    padding: 0;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all .15s;
}
.btn-icon:hover { border-color: var(--green); color: var(--green); background: var(--green-light); }
.btn-icon.danger:hover { border-color: var(--red); color: var(--red); background: var(--red-light); }

/* ── TABLES ──────────────────────────────────────────────────── */
.table-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.table { margin: 0; font-size: 13px; }
.table thead th {
    background: var(--bg-muted);
    color: var(--text-muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .6px;
    font-weight: 700;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    vertical-align: middle;
    background: var(--bg-hover);
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover td { background: var(--bg-muted); }

/* ── BADGES ──────────────────────────────────────────────────── */
.badge {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.badge-green   { background: var(--green-light);  color: var(--green-dark); }
.badge-blue    { background: var(--blue-light);   color: var(--blue); }
.badge-amber   { background: var(--amber-light);  color: #92400E; }
.badge-red     { background: var(--red-light);    color: #991B1B; }
.badge-purple  { background: rgba(124,58,237,.1); color: var(--purple); }
.badge-teal    { background: var(--teal-light);   color: var(--teal); }
.badge-muted   { background: var(--bg-muted);     color: var(--text-muted); }
.badge-orange  { background: rgba(234,88,12,.1);  color: var(--orange); }

/* Grade badges */
.grade-A { background: var(--green-light);  color: var(--green-dark);  font-size: 13px; font-weight: 800; width: 28px; height: 28px; border-radius: 6px; display:inline-flex;align-items:center;justify-content:center; }
.grade-B { background: var(--blue-light);   color: var(--blue-mid);    font-size: 13px; font-weight: 800; width: 28px; height: 28px; border-radius: 6px; display:inline-flex;align-items:center;justify-content:center; }
.grade-C { background: var(--amber-light);  color: #92400E;            font-size: 13px; font-weight: 800; width: 28px; height: 28px; border-radius: 6px; display:inline-flex;align-items:center;justify-content:center; }
.grade-D { background: rgba(234,88,12,.1);  color: var(--orange);      font-size: 13px; font-weight: 800; width: 28px; height: 28px; border-radius: 6px; display:inline-flex;align-items:center;justify-content:center; }
.grade-E { background: var(--red-light);    color: var(--red);         font-size: 13px; font-weight: 800; width: 28px; height: 28px; border-radius: 6px; display:inline-flex;align-items:center;justify-content:center; }

/* ── FORMS ───────────────────────────────────────────────────── */
.form-label {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 5px;
    display: block;
}
.form-control, .form-select {
    background: var(--bg-input);
    border: 1.5px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    padding: 8px 12px;
    height: 40px;
    transition: border-color .2s, box-shadow .2s, background .2s;
}
.form-control:focus, .form-select:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(16,185,129,.12);
    background: var(--bg-input);
    color: var(--text-primary);
    outline: none;
}
.form-control::placeholder { color: var(--text-light); }
textarea.form-control { height: auto; padding: 10px 12px; }

/* ── MODALS ──────────────────────────────────────────────────── */
.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}
.modal-header {
    border-bottom: 1px solid var(--border);
    padding: 18px 24px;
    border-radius: 16px 16px 0 0;
}
.modal-header .modal-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}
.modal-body   { padding: 24px; }
.modal-footer { border-top: 1px solid var(--border); padding: 16px 24px; border-radius: 0 0 16px 16px; }
.btn-close { color: var(--text-muted); }

/* ── FLASH MESSAGES ──────────────────────────────────────────── */
.flash-container {
    position: fixed;
    top: 76px; right: 20px;
    z-index: 9999;
    min-width: 300px;
    max-width: 420px;
}
.flash-container .alert {
    border-radius: 10px;
    font-size: 13px;
    box-shadow: var(--shadow-md);
    border: none;
    margin-bottom: 8px;
}
.alert-success { background: var(--green-light);  color: var(--green-dark); }
.alert-danger  { background: var(--red-light);    color: #991B1B; }
.alert-warning { background: var(--amber-light);  color: #92400E; }
.alert-info    { background: var(--blue-light);   color: var(--blue); }

/* ── INFO BANNER ─────────────────────────────────────────────── */
.info-banner {
    background: var(--green-light);
    border: 1px solid var(--green-mid);
    border-radius: 10px;
    padding: 14px 18px;
    font-size: 13px;
    color: var(--green-darker);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.info-banner i { color: var(--green); flex-shrink: 0; margin-top: 1px; }

/* ── TABS ────────────────────────────────────────────────────── */
.tab-nav {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--border);
    margin-bottom: 24px;
}
.tab-btn {
    padding: 8px 18px;
    border: none;
    background: none;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all .15s;
    border-radius: 8px 8px 0 0;
}
.tab-btn:hover { color: var(--green); background: var(--green-light); }
.tab-btn.active {
    color: var(--green);
    border-bottom-color: var(--green);
    background: var(--green-light);
}

/* ── EMPTY STATE ─────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 60px 24px;
    color: var(--text-muted);
}
.empty-state i { font-size: 48px; opacity: .3; margin-bottom: 12px; display: block; }
.empty-state h4 { font-size: 16px; font-weight: 700; color: var(--text-secondary); margin-bottom: 6px; }
.empty-state p  { font-size: 13px; margin: 0; }

/* ── SPINNER ─────────────────────────────────────────────────── */
.loading-overlay {
    position: fixed; inset: 0;
    background: rgba(15,23,42,.5);
    display: flex; align-items: center; justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(3px);
}
.loading-spinner {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 32px 40px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}
.loading-spinner .spinner-border { color: var(--green); width: 36px; height: 36px; }
.loading-spinner p { margin: 12px 0 0; color: var(--text-muted); font-size: 13px; }

/* ── UTILITY CLASSES ─────────────────────────────────────────── */
.text-green   { color: var(--green) !important; }
.text-blue    { color: var(--blue) !important; }
.text-muted   { color: var(--text-muted) !important; }
.text-primary { color: var(--text-primary) !important; }

.bg-green-light { background: var(--green-light) !important; }
.bg-blue-light  { background: var(--blue-light)  !important; }
.bg-card        { background: var(--bg-card)      !important; }

.border-green { border-color: var(--green) !important; }

.rounded-10 { border-radius: 10px !important; }
.rounded-12 { border-radius: 12px !important; }
.rounded-16 { border-radius: 16px !important; }

.fw-700 { font-weight: 700 !important; }
.fw-800 { font-weight: 800 !important; }

.gap-2 { gap: 8px !important; }
.gap-3 { gap: 12px !important; }

/* ── DROPDOWN ────────────────────────────────────────────────── */
.dropdown-menu {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    padding: 6px;
    font-size: 13px;
}
.dropdown-item {
    border-radius: 6px;
    color: var(--text-secondary);
    padding: 7px 12px;
    display: flex; align-items: center; gap: 8px;
    transition: all .1s;
}
.dropdown-item:hover { background: var(--green-light); color: var(--green); }
.dropdown-item.text-danger:hover { background: var(--red-light); color: var(--red); }
.dropdown-divider { border-color: var(--border); margin: 4px 0; }

/* ── SCROLLBAR ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 10px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-light); }

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .sidebar { transform: translateX(-100%); transition: transform .25s; }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .page-content { padding: 20px 16px; }
}

@media (max-width: 768px) {
    .topbar-search { display: none; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
}

/* ── PRINT ───────────────────────────────────────────────────── */
@media print {
    .sidebar, .topbar, .btn, .flash-container { display: none !important; }
    .main-content { margin-left: 0; }
    .page-content { padding: 0; }
    body { background: #fff; color: #000; }
    .card { box-shadow: none; border: 1px solid #ddd; }
}

/* ── Choices.js overrides ────────────────────────────────────── */
.choices { margin: 0; }
.choices__inner {
    background: var(--bg-input) !important;
    border: 1.5px solid var(--border) !important;
    border-radius: 8px !important;
    padding: 6px 10px !important;
    font-size: 13px !important;
    min-height: 40px !important;
    color: var(--text-primary) !important;
}
.choices__inner:focus-within {
    border-color: var(--green) !important;
    box-shadow: 0 0 0 3px rgba(16,185,129,.12) !important;
}
.choices__list--dropdown {
    background: var(--bg-card) !important;
    border: 1px solid var(--border) !important;
    border-radius: 10px !important;
    box-shadow: var(--shadow-md) !important;
    z-index: 9999 !important;
}
.choices__list--dropdown .choices__item--selectable {
    font-size: 13px !important;
    padding: 8px 12px !important;
    color: var(--text-primary) !important;
}
.choices__list--dropdown .choices__item--selectable.is-highlighted {
    background: var(--green-light) !important;
    color: var(--green-dark) !important;
}
.choices__input {
    background: transparent !important;
    color: var(--text-primary) !important;
    font-size: 13px !important;
}
.choices__placeholder { color: var(--text-muted) !important; }
[data-theme="dark"] .choices__inner { background: var(--bg-input) !important; }
[data-theme="dark"] .choices__list--dropdown { background: var(--bg-card) !important; }

/* ── Select2 overrides (school switcher) ─────────────────────── */
.select2-container--default .select2-selection--single {
    background: var(--green-light) !important;
    border: 1.5px solid var(--green) !important;
    border-radius: 10px !important;
    height: 40px !important;
    display: flex;
    align-items: center;
}
.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: var(--text-primary) !important;
    font-size: 13.5px !important;
    font-weight: 700 !important;
    line-height: 40px !important;
    padding-left: 12px !important;
}
.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 40px !important;
}
.select2-dropdown {
    background: var(--bg-card) !important;
    border: 1px solid var(--border) !important;
    border-radius: 10px !important;
    box-shadow: var(--shadow-md) !important;
}
.select2-search--dropdown .select2-search__field {
    background: var(--bg-input) !important;
    border: 1.5px solid var(--border) !important;
    border-radius: 6px !important;
    color: var(--text-primary) !important;
    padding: 6px 10px !important;
}
.select2-results__option {
    color: var(--text-primary) !important;
    font-size: 13px !important;
    padding: 8px 12px !important;
}
.select2-results__option--highlighted[aria-selected] {
    background: var(--green) !important;
    color: #fff !important;
}
.select2-results__option[aria-selected="true"] {
    background: var(--green-light) !important;
    color: var(--green-dark) !important;
    font-weight: 700 !important;
}