/* ==========================================================
   Kuhipath RMS - Redesigned Compact Admin UI (v2.0)
   Blue & White Professional Theme
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root {
    --primary:        #1e40af;
    --primary-hover:  #1d4ed8;
    --primary-light:  #eff6ff;
    --primary-soft:   #dbeafe;
    --primary-border: #bfdbfe;

    --bg-page:    #f1f5f9;
    --bg-surface: #ffffff;
    --bg-alt:     #f8fafc;
    --bg-header:  #fafcff;

    --text-main:  #0f172a;
    --text-sub:   #334155;
    --text-muted: #64748b;
    --text-light: #94a3b8;

    --border:       #e2e8f0;
    --border-focus: #3b82f6;

    --success:        #16a34a;
    --success-bg:     #f0fdf4;
    --success-border: #bbf7d0;
    --danger:         #dc2626;
    --danger-bg:      #fef2f2;
    --danger-border:  #fecaca;
    --warning:        #d97706;
    --warning-bg:     #fffbeb;
    --warning-border: #fde68a;
    --info:           #0284c7;
    --info-bg:        #f0f9ff;
    --info-border:    #bae6fd;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;

    --shadow-xs: 0 1px 2px rgba(15,23,42,.04);
    --shadow-sm: 0 1px 3px rgba(15,23,42,.08), 0 1px 2px rgba(15,23,42,.04);
    --shadow-md: 0 4px 6px -1px rgba(15,23,42,.08), 0 2px 4px -2px rgba(15,23,42,.04);
    --shadow-lg: 0 10px 15px -3px rgba(15,23,42,.08), 0 4px 6px -4px rgba(15,23,42,.04);
    --shadow-xl: 0 20px 25px -5px rgba(15,23,42,.10), 0 8px 10px -6px rgba(15,23,42,.04);

    --sidebar-w:  250px;
    --header-h:   58px;
    --form-h:     auto;
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    background: var(--bg-page);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

/* ─── LAYOUT ─── */
.app-wrapper  { display: flex; min-height: 100vh; }
.main-wrapper { flex: 1; margin-left: var(--sidebar-w); display: flex; flex-direction: column; min-height: 100vh; }

/* ─── SIDEBAR ─── */
.sidebar {
    width: var(--sidebar-w);
    background: #0d1b3e;
    color: #ffffff;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; bottom: 0; left: 0;
    z-index: 1000;
    transition: transform .28s cubic-bezier(.4,0,.2,1);
    overflow: hidden;
}
.sidebar-brand {
    height: var(--header-h);
    display: flex;
    align-items: center;
    padding: 0 14px;
    background: #060f26;
    border-bottom: 1px solid rgba(255,255,255,.07);
    gap: 10px;
    flex-shrink: 0;
}
.sidebar-brand-icon {
    width: 32px; height: 32px;
    border-radius: 8px;
    background: #2563eb;
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 16px; flex-shrink: 0;
}
.sidebar-brand img { width:32px;height:32px;border-radius:8px;object-fit:contain;background:#fff;padding:2px; }
.brand-title { font-size: 13.5px; font-weight: 800; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 1.2; }
.brand-sub   { font-size: 10px; color: #93c5fd; font-weight: 500; }

.sidebar-menu {
    flex: 1;
    overflow-y: auto;
    padding: 10px 8px;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,.1) transparent;
}
.sidebar-menu::-webkit-scrollbar { width: 4px; }
.sidebar-menu::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 4px; }

.menu-category {
    font-size: 9.5px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #475569;
    margin: 14px 6px 6px;
    font-weight: 700;
}
.menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 8px;
    color: #94a3b8;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 2px;
    transition: all .15s;
    cursor: pointer;
}
.menu-item:hover { background: rgba(255,255,255,.07); color: #e2e8f0; }
.menu-item.active { background: linear-gradient(135deg,#1e40af,#2563eb); color: #fff; box-shadow: 0 3px 8px rgba(37,99,235,.3); }
.menu-item svg { width:16px;height:16px;flex-shrink:0; }

.sidebar-footer {
    padding: 10px 12px;
    border-top: 1px solid rgba(255,255,255,.07);
    background: #060f26;
    flex-shrink: 0;
}
.user-profile-badge { display: flex; align-items: center; gap: 8px; }
.user-avatar {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: #2563eb;
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 12px; flex-shrink: 0;
}
.user-info .user-name { font-size: 12px; font-weight: 600; color: #fff; }
.user-info .user-role { font-size: 10px; color: #93c5fd; text-transform: capitalize; }

/* Sidebar overlay */
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(15,23,42,.5); z-index: 999; }
.sidebar-overlay.active { display: block; }

/* ─── TOP NAVBAR ─── */
.top-navbar {
    height: var(--header-h);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 20px;
    position: sticky; top: 0; z-index: 900;
    box-shadow: var(--shadow-xs);
}
.nav-left { display: flex; align-items: center; gap: 12px; }
.mobile-menu-btn {
    display: none;
    background: transparent; border: none;
    color: var(--text-main); cursor: pointer;
    padding: 5px; border-radius: 6px;
}
.mobile-menu-btn:hover { background: var(--bg-alt); }
.breadcrumb-title { font-size: 15px; font-weight: 700; color: var(--text-main); }
.nav-right { display: flex; align-items: center; gap: 10px; }

/* ─── CONTENT BODY ─── */
.content-body { flex: 1; padding: 18px 20px; }

/* ─── COMPACT FORM CARD ─── */
.form-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 18px;
    overflow: hidden;
}
.form-card-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 11px 18px;
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
    color: #fff;
    cursor: pointer;
    user-select: none;
}
.form-card-header h3 { font-size: 13.5px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.form-card-header .toggle-icon { transition: transform .25s; flex-shrink: 0; }
.form-card-header.collapsed .toggle-icon { transform: rotate(-90deg); }
.form-card-body { padding: 16px 18px; }
.form-card-body.hidden { display: none; }

/* ─── COMPACT FORM GRID ─── */
.compact-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 14px;
}
.form-group { margin-bottom: 0; }
.form-label {
    display: block;
    font-size: 11.5px;
    font-weight: 700;
    color: var(--text-sub);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.form-label.required::after { content: " *"; color: var(--danger); }
.form-control, .form-select {
    width: 100%;
    padding: 7px 10px;
    font-size: 13px;
    font-family: inherit;
    color: var(--text-main);
    background: var(--bg-surface);
    border: 1.5px solid var(--border);
    border-radius: 8px;
    transition: border-color .15s, box-shadow .15s;
    height: 36px;
}
.form-control:focus, .form-select:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}
textarea.form-control { height: auto; resize: vertical; }
.form-text { font-size: 11px; color: var(--text-muted); margin-top: 3px; }
.form-actions { display: flex; align-items: center; gap: 8px; padding-top: 4px; }

/* ─── DATA TABLE CARD ─── */
.data-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.data-card-header {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 10px;
    padding: 12px 18px;
    background: var(--bg-header);
    border-bottom: 1px solid var(--border);
}
.data-card-title {
    font-size: 13.5px; font-weight: 700;
    color: var(--primary);
    display: flex; align-items: center; gap: 8px;
}
.data-card-title .count-badge {
    background: var(--primary-soft);
    color: var(--primary);
    padding: 1px 8px;
    border-radius: 9999px;
    font-size: 11px;
    font-weight: 800;
}

/* ─── SEARCH / FILTER BAR ─── */
.table-toolbar {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 18px;
    border-bottom: 1px solid var(--border);
    background: #fafcff;
    flex-wrap: wrap;
}
.search-box {
    position: relative;
    flex: 1; min-width: 180px; max-width: 280px;
}
.search-box svg {
    position: absolute; left: 9px; top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted); pointer-events: none;
    width: 14px; height: 14px;
}
.search-box input {
    width: 100%; padding: 6px 10px 6px 30px;
    font-size: 12.5px; border: 1.5px solid var(--border);
    border-radius: 7px; background: #fff;
    font-family: inherit; height: 32px;
    color: var(--text-main);
    transition: border-color .15s;
}
.search-box input:focus { outline: none; border-color: var(--border-focus); }
.filter-select {
    padding: 5px 10px; font-size: 12.5px;
    border: 1.5px solid var(--border); border-radius: 7px;
    background: #fff; font-family: inherit; height: 32px;
    color: var(--text-main); min-width: 120px;
    cursor: pointer;
}
.filter-select:focus { outline: none; border-color: var(--border-focus); }

/* Bulk action bar */
.bulk-bar {
    display: none;
    align-items: center; gap: 10px;
    padding: 8px 18px;
    background: #fef3c7;
    border-bottom: 1px solid #fde68a;
    font-size: 12.5px; font-weight: 600; color: #92400e;
}
.bulk-bar.active { display: flex; }

/* ─── TABLE ─── */
.table-responsive { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table {
    width: 100%; border-collapse: collapse;
    font-size: 12.5px; text-align: left;
}
.table th {
    background: #f1f5f9; color: #475569;
    font-weight: 700; font-size: 10.5px;
    padding: 9px 14px;
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
    text-transform: uppercase; letter-spacing: .5px;
    position: sticky; top: 0; z-index: 1;
}
.table th.col-check { width: 36px; text-align: center; }
.table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-main);
    vertical-align: middle;
}
.table td.col-check { text-align: center; }
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: #f8fbff; }
.table tr.selected td { background: #eff6ff; }
.table-empty {
    text-align: center; padding: 32px 20px;
    color: var(--text-muted); font-size: 13px;
}

/* Custom checkbox */
.check-row {
    width: 15px; height: 15px; cursor: pointer;
    accent-color: var(--primary);
}

/* ─── BADGES ─── */
.badge {
    display: inline-flex; align-items: center; gap: 3px;
    padding: 2px 9px;
    border-radius: 9999px;
    font-size: 10.5px; font-weight: 700;
    text-transform: uppercase; letter-spacing: .3px;
}
.badge-active, .badge-pass, .badge-approved {
    background: var(--success-bg); color: var(--success);
    border: 1px solid var(--success-border);
}
.badge-inactive, .badge-fail {
    background: var(--danger-bg); color: var(--danger);
    border: 1px solid var(--danger-border);
}
.badge-pending, .badge-warning, .badge-upcoming {
    background: var(--warning-bg); color: var(--warning);
    border: 1px solid var(--warning-border);
}
.badge-info, .badge-completed {
    background: var(--info-bg); color: var(--info);
    border: 1px solid var(--info-border);
}
.badge-primary {
    background: var(--primary-light); color: var(--primary);
    border: 1px solid var(--primary-border);
}

/* ─── BUTTONS ─── */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 6px; padding: 7px 14px;
    border-radius: 8px; font-size: 12.5px; font-weight: 600;
    cursor: pointer; border: 1.5px solid transparent;
    transition: all .15s; text-decoration: none; line-height: 1.4;
    white-space: nowrap; font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 1px 4px rgba(30,64,175,.2); }
.btn-primary:hover { background: var(--primary-hover); color: #fff; transform: translateY(-1px); box-shadow: 0 3px 8px rgba(30,64,175,.25); }
.btn-secondary { background: #f1f5f9; color: var(--text-sub); border-color: var(--border); }
.btn-secondary:hover { background: #e2e8f0; color: var(--text-main); }
.btn-outline-primary { background: transparent; color: var(--primary); border-color: var(--primary-border); }
.btn-outline-primary:hover { background: var(--primary-light); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; color: #fff; }
.btn-warning { background: #f59e0b; color: #fff; }
.btn-warning:hover { background: #d97706; color: #fff; }
.btn-xs { padding: 3px 9px; font-size: 11px; border-radius: 5px; gap: 4px; }
.btn-sm { padding: 5px 11px; font-size: 12px; border-radius: 6px; gap: 5px; }
.btn-lg { padding: 10px 20px; font-size: 14px; }
.btn-icon { padding: 5px; border-radius: 6px; }

/* ─── ACTION BUTTONS in TABLE ─── */
.action-btns { display: flex; align-items: center; gap: 4px; justify-content: flex-end; }

/* ─── STAT CARDS ─── */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat-card {
    background: var(--bg-surface); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 14px 16px;
    display: flex; align-items: center; gap: 12px;
    box-shadow: var(--shadow-xs);
    position: relative; overflow: hidden;
    transition: box-shadow .2s;
}
.stat-card:hover { box-shadow: var(--shadow-md); }
.stat-card::before {
    content: ''; position: absolute;
    top: 0; left: 0; width: 3px; height: 100%;
    background: var(--primary);
}
.stat-card.green::before { background: var(--success); }
.stat-card.amber::before { background: var(--warning); }
.stat-card.purple::before { background: #7c3aed; }
.stat-card.red::before   { background: var(--danger); }
.stat-icon {
    width: 40px; height: 40px; border-radius: 10px;
    background: var(--primary-light); color: var(--primary);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.stat-icon.green  { background: var(--success-bg); color: var(--success); }
.stat-icon.amber  { background: var(--warning-bg); color: var(--warning); }
.stat-icon.purple { background: #f5f3ff; color: #7c3aed; }
.stat-icon.red    { background: var(--danger-bg); color: var(--danger); }
.stat-icon svg { width: 20px; height: 20px; }
.stat-info h4 { font-size: 11px; color: var(--text-muted); font-weight: 600; margin-bottom: 3px; text-transform: uppercase; letter-spacing: .4px; }
.stat-value { font-size: 22px; font-weight: 800; color: var(--text-main); line-height: 1; }

/* ─── CHARTS GRID ─── */
.charts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; margin-bottom: 18px; }
.chart-card {
    background: var(--bg-surface); border: 1px solid var(--border);
    border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.chart-card-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-header);
}
.chart-card-title { font-size: 13px; font-weight: 700; color: var(--text-main); display: flex; align-items: center; gap: 7px; }
.chart-card-body { padding: 14px; }

/* ─── ALERTS ─── */
.alert {
    padding: 11px 14px; border-radius: var(--radius-md);
    font-size: 13px; font-weight: 500; margin-bottom: 14px;
    display: flex; align-items: flex-start; gap: 10px;
    border: 1px solid transparent;
}
.alert svg { flex-shrink: 0; width: 16px; height: 16px; margin-top: 1px; }
.alert-success { background: var(--success-bg); color: #166534; border-color: var(--success-border); }
.alert-danger   { background: var(--danger-bg);  color: #991b1b; border-color: var(--danger-border); }
.alert-warning  { background: var(--warning-bg); color: #92400e; border-color: var(--warning-border); }
.alert-info     { background: var(--info-bg);    color: #075985; border-color: var(--info-border); }

/* ─── MARKS INPUT ─── */
.marks-input {
    width: 80px; padding: 5px 8px; font-weight: 700;
    text-align: center; font-size: 13px; height: 32px;
    border: 1.5px solid var(--border); border-radius: 6px;
    font-family: inherit;
}
.marks-input:focus { border-color: var(--primary); background: #f0f7ff; outline: none; }
.marks-input:disabled, .marks-input.locked { background: #f1f5f9; color: #64748b; cursor: not-allowed; }
.marks-total-cell { font-weight: 800; color: var(--primary); font-size: 14px; text-align: center; }

/* ─── TOPPERS TABLE ─── */
.toppers-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.topper-card {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border: 1px solid #bfdbfe;
    border-radius: 12px; padding: 14px;
    position: relative;
}
.topper-card .rank-badge {
    position: absolute; top: 10px; right: 10px;
    width: 28px; height: 28px; border-radius: 50%;
    background: #1e40af; color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: 800;
}
.topper-card.gold   { background: linear-gradient(135deg, #fefce8, #fef9c3); border-color: #fde047; }
.topper-card.silver { background: linear-gradient(135deg, #f8fafc, #f1f5f9); border-color: #cbd5e1; }
.topper-card.bronze { background: linear-gradient(135deg, #fff7ed, #ffedd5); border-color: #fed7aa; }
.topper-name { font-size: 13.5px; font-weight: 700; color: var(--text-main); margin-bottom: 2px; }
.topper-class { font-size: 11px; color: var(--text-muted); margin-bottom: 6px; }
.topper-score { font-size: 20px; font-weight: 800; color: #1e40af; }
.topper-score span { font-size: 12px; color: var(--text-muted); font-weight: 600; }

/* ─── OFFICIAL MARKSHEET ─── */
.marksheet-container {
    max-width: 900px; margin: 0 auto;
    background: #fff; border: 2px solid #1e3a8a;
    border-radius: 10px; padding: 30px;
    box-shadow: var(--shadow-xl);
}
.marksheet-border-inner { border: 1px solid #bfdbfe; padding: 20px; border-radius: 6px; }
.marksheet-header {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 16px; border-bottom: 2px solid #1e3a8a;
    padding-bottom: 14px; margin-bottom: 16px;
}
.marksheet-logo { width: 75px; height: 75px; object-fit: contain; }
.marksheet-title-block { flex: 1; text-align: center; }
.marksheet-school-name { font-size: 20px; font-weight: 800; color: #1e3a8a; text-transform: uppercase; letter-spacing: -.3px; margin-bottom: 4px; }
.marksheet-school-details { font-size: 12px; color: #334155; line-height: 1.5; }
.marksheet-exam-banner {
    background: #1e40af; color: #fff; font-size: 13px; font-weight: 800;
    text-align: center; padding: 6px 12px; border-radius: 6px;
    margin-bottom: 16px; letter-spacing: .5px; text-transform: uppercase;
}
.marksheet-student-grid {
    display: grid; grid-template-columns: 1fr auto;
    gap: 16px; background: #f8fbff;
    border: 1px solid #dbeafe; border-radius: 8px;
    padding: 14px 16px; margin-bottom: 20px;
}
.student-info-table { width: 100%; font-size: 12px; border-collapse: collapse; }
.student-info-table td { padding: 3px 8px; border: none; }
.student-info-table td.label { color: #64748b; font-weight: 600; width: 130px; }
.student-info-table td.val  { color: #0f172a; font-weight: 700; }
.student-photo-box {
    width: 95px; height: 115px; border: 2px solid #94a3b8;
    border-radius: 6px; overflow: hidden; background: #fff;
    display: flex; align-items: center; justify-content: center;
}
.student-photo-box img { width: 100%; height: 100%; object-fit: cover; }

.marksheet-table { width: 100%; border-collapse: collapse; font-size: 12px; margin-bottom: 16px; }
.marksheet-table th, .marksheet-table td { border: 1px solid #94a3b8; padding: 7px 10px; text-align: center; }
.marksheet-table th { background: #1e3a8a; color: #fff; font-weight: 700; font-size: 11px; }
.marksheet-table td.subject-name-col { text-align: left; font-weight: 600; }
.marksheet-table tr.total-row td { background: #eff6ff; font-weight: 800; color: #1e3a8a; }

.marksheet-summary-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 10px; margin-bottom: 18px;
}
.summary-box { background: #f8fafc; border: 1px solid #cbd5e1; border-radius: 8px; padding: 10px; text-align: center; }
.summary-box .lbl { font-size: 10px; color: #64748b; text-transform: uppercase; font-weight: 700; margin-bottom: 3px; }
.summary-box .val { font-size: 16px; font-weight: 800; color: #1e3a8a; }
.summary-box .val.status-pass { color: var(--success); }
.summary-box .val.status-fail { color: var(--danger); }

.marksheet-footer-grid {
    display: flex; align-items: flex-end;
    justify-content: space-between;
    margin-top: 28px; padding-top: 16px;
    border-top: 1px dashed #cbd5e1;
}
.qr-verification-box { text-align: center; font-size: 10px; color: #475569; }
.qr-code-img { width: 80px; height: 80px; border: 1px solid #e2e8f0; padding: 3px; background: #fff; margin-bottom: 3px; display: block; }
.signature-block { text-align: center; min-width: 150px; }
.signature-img { max-height: 44px; max-width: 140px; object-fit: contain; margin-bottom: 5px; }
.signature-line { border-top: 1.5px solid #0f172a; padding-top: 5px; font-size: 11.5px; font-weight: 700; }
.signature-sub  { font-size: 10px; color: #64748b; }

/* ─── LOGIN PAGE ─── */
.login-page-bg {
    min-height: 100vh;
    background: linear-gradient(135deg, #09132b 0%, #1e40af 55%, #3b82f6 100%);
    display: flex; align-items: center; justify-content: center; padding: 20px;
}
.login-card {
    background: #fff; width: 100%; max-width: 420px;
    border-radius: 18px;
    box-shadow: 0 24px 48px -12px rgba(15,23,42,.35);
    overflow: hidden;
    animation: fadeUp .4s ease-out;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
.login-header { background: #fafcff; border-bottom: 1px solid var(--border); padding: 28px 28px 22px; text-align: center; }
.login-logo { width: 58px; height: 58px; border-radius: 14px; background: #eff6ff; border: 2px solid #bfdbfe; margin: 0 auto 14px; display: flex; align-items: center; justify-content: center; }
.login-title { font-size: 18px; font-weight: 800; color: #1e3a8a; margin-bottom: 3px; }
.login-subtitle { font-size: 12.5px; color: #64748b; }
.login-body { padding: 24px 28px; }
.role-selector { display: flex; background: #f1f5f9; padding: 3px; border-radius: 9px; margin-bottom: 18px; gap: 2px; }
.role-btn { flex: 1; text-align: center; padding: 7px 10px; border-radius: 7px; font-size: 12.5px; font-weight: 600; cursor: pointer; color: #475569; transition: all .2s; user-select: none; }
.role-btn.active { background: #fff; color: #1e40af; box-shadow: 0 1px 5px rgba(0,0,0,.08); }

/* ─── PUBLIC PORTAL ─── */
.hero-banner {
    background: linear-gradient(135deg,#09132b 0%,#1e40af 60%,#2563eb 100%);
    color: #fff; padding: 44px 20px 72px;
    text-align: center; position: relative; overflow: hidden;
}
.hero-banner::after {
    content: ''; position: absolute; bottom: -48px; left: 0; right: 0;
    height: 96px; background: var(--bg-page);
    border-radius: 50% 50% 0 0 / 100% 100% 0 0;
}
.search-card-container { max-width: 580px; margin: -48px auto 36px; position: relative; z-index: 10; padding: 0 14px; }
.portal-search-box {
    background: #fff; border-radius: 18px; padding: 28px 26px;
    box-shadow: 0 16px 32px -12px rgba(30,64,175,.2), 0 0 0 1px rgba(30,64,175,.07);
}

/* ─── PROGRESS BAR ─── */
.progress-bar-wrap { height: 7px; background: #e2e8f0; border-radius: 9999px; overflow: hidden; }
.progress-bar-fill { height: 100%; border-radius: 9999px; background: var(--primary); transition: width .4s; }
.progress-bar-fill.green  { background: var(--success); }
.progress-bar-fill.amber  { background: var(--warning); }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-wrapper { margin-left: 0; }
    .mobile-menu-btn { display: inline-flex; }
    .compact-form-grid { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .charts-grid { grid-template-columns: 1fr; }
    .marksheet-summary-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .content-body { padding: 12px 12px; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-value { font-size: 18px; }
    .compact-form-grid { grid-template-columns: 1fr 1fr; }
    .data-card-header { flex-direction: column; align-items: flex-start; }
    .table-toolbar { flex-direction: column; align-items: stretch; }
    .search-box { max-width: 100%; }
    .marksheet-student-grid { grid-template-columns: 1fr; }
    .toppers-grid { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
    .compact-form-grid { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
}

/* ─── PRINT ─── */
@media print {
    .sidebar, .top-navbar, .no-print, .btn, .data-card, .form-card { display: none !important; }
    .main-wrapper { margin-left: 0 !important; }
    .content-body { padding: 0 !important; }
    .marksheet-container { border: 2px solid #000 !important; box-shadow: none !important; max-width: 100% !important; margin: 0 !important; padding: 18px !important; }
    .marksheet-exam-banner { background: #1e40af !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .marksheet-table th { background: #1e3a8a !important; color: #fff !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .marksheet-table tr.total-row td { background: #f1f5f9 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}