/* =============================================================
   AdmissionCRM – Main Stylesheet
   Professional SaaS Admin Dashboard
   ============================================================= */

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

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
    --primary:       #0d6efd;
    --primary-dark:  #0b5ed7;
    --primary-light: #e8f0fe;
    --secondary:     #6c757d;
    --success:       #198754;
    --danger:        #dc3545;
    --warning:       #ffc107;
    --info:          #0dcaf0;
    --light:         #f8f9fa;
    --dark:          #212529;
    --sidebar-width: 260px;
    --sidebar-bg:    #0f1b2d;
    --sidebar-hover: #1a2d47;
    --topbar-h:      64px;
    --font-main:    'Plus Jakarta Sans', sans-serif;
    --font-body:    'DM Sans', sans-serif;
    --radius:        12px;
    --radius-sm:     8px;
    --shadow:        0 2px 20px rgba(0,0,0,.08);
    --shadow-md:     0 4px 32px rgba(0,0,0,.12);
    --transition:    .2s ease;
}

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: var(--font-body);
    background: #f0f4f8;
    color: #1e2835;
    font-size: 14px;
    overflow-x: hidden;
}

h1,h2,h3,h4,h5,h6 { font-family: var(--font-main); font-weight: 700; }
a { text-decoration: none; }

/* ── Sidebar ───────────────────────────────────────────────── */
#sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    z-index: 1050;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition);
    overflow-y: auto;
    overflow-x: hidden;
}

#sidebar::-webkit-scrollbar { width: 4px; }
#sidebar::-webkit-scrollbar-thumb { background: #2a3f5a; border-radius: 4px; }

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,.07);
}

.sidebar-brand .brand-icon {
    width: 38px; height: 38px;
    background: linear-gradient(135deg, var(--primary), #4dabf7);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; color: #fff;
    flex-shrink: 0;
}

.sidebar-brand .brand-text {
    font-family: var(--font-main);
    font-weight: 800;
    font-size: 15px;
    color: #fff;
    line-height: 1.2;
}
.sidebar-brand .brand-text span { color: #4dabf7; }
.sidebar-brand .brand-sub { font-size: 10px; color: rgba(255,255,255,.4); font-weight: 400; }

.sidebar-nav { padding: 12px 0; flex: 1; }

.nav-section-label {
    font-family: var(--font-main);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: rgba(255,255,255,.3);
    padding: 12px 20px 6px;
    display: block;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: rgba(255,255,255,.65);
    font-size: 13.5px;
    font-weight: 500;
    border-radius: 0;
    transition: all var(--transition);
    border-left: 3px solid transparent;
    margin: 1px 0;
}

.sidebar-nav a i {
    font-size: 16px;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-nav a:hover {
    color: #fff;
    background: var(--sidebar-hover);
    border-left-color: rgba(77,171,247,.5);
}

.sidebar-nav a.active {
    color: #fff;
    background: rgba(13,110,253,.2);
    border-left-color: var(--primary);
    font-weight: 600;
}

.sidebar-nav a .nav-badge {
    margin-left: auto;
    background: var(--primary);
    color: #fff;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 20px;
    font-weight: 700;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,.07);
}

.user-card {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 13px;
    flex-shrink: 0;
}

.user-info .user-name { font-size: 13px; font-weight: 600; color: #fff; line-height: 1.3; }
.user-info .user-role {
    font-size: 10px;
    color: rgba(255,255,255,.4);
    text-transform: capitalize;
}

.logout-btn {
    margin-left: auto;
    color: rgba(255,255,255,.4) !important;
    font-size: 18px !important;
    transition: color var(--transition) !important;
}
.logout-btn:hover { color: var(--danger) !important; }

/* ── Main Content ──────────────────────────────────────────── */
#main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin var(--transition);
    display: flex;
    flex-direction: column;
}

/* ── Top Navbar ────────────────────────────────────────────── */
#topbar {
    position: sticky;
    top: 0;
    height: var(--topbar-h);
    background: #fff;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    z-index: 1040;
    box-shadow: 0 1px 8px rgba(0,0,0,.05);
}

#topbar .page-title {
    font-family: var(--font-main);
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin: 0;
}

#topbar .breadcrumb {
    font-size: 12px;
    margin: 0;
}

#topbar .sidebar-toggle {
    background: none; border: none;
    color: var(--secondary);
    font-size: 20px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
#topbar .sidebar-toggle:hover { background: var(--light); color: var(--primary); }

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

.topbar-icon-btn {
    width: 36px; height: 36px;
    border-radius: var(--radius-sm);
    border: none;
    background: var(--light);
    color: var(--secondary);
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}
.topbar-icon-btn:hover { background: var(--primary-light); color: var(--primary); }

.topbar-user {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition);
}
.topbar-user:hover { background: var(--light); }
.topbar-user .t-avatar {
    width: 32px; height: 32px;
    background: linear-gradient(135deg, var(--primary), #4dabf7);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 700; font-size: 12px;
}
.topbar-user .t-name { font-size: 13px; font-weight: 600; color: var(--dark); }
.topbar-user .t-role { font-size: 10px; color: var(--secondary); }

/* ── Page Content Area ─────────────────────────────────────── */
.page-content {
    padding: 24px;
    flex: 1;
}

/* ── Stat Cards ────────────────────────────────────────────── */
.stat-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 22px 24px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
    border: 1px solid rgba(0,0,0,.04);
}

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

.stat-card .stat-label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .5px;
    text-transform: uppercase;
    color: var(--secondary);
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-family: var(--font-main);
    font-size: 32px;
    font-weight: 800;
    line-height: 1;
    color: var(--dark);
    margin-bottom: 8px;
}

.stat-card .stat-sub {
    font-size: 12px;
    color: var(--secondary);
}

.stat-card .stat-icon {
    position: absolute;
    top: 18px; right: 20px;
    width: 48px; height: 48px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
}

.stat-card.card-primary .stat-icon { background: var(--primary-light); color: var(--primary); }
.stat-card.card-success .stat-icon { background: #d1f2eb; color: var(--success); }
.stat-card.card-warning .stat-icon { background: #fff8e1; color: #f57c00; }
.stat-card.card-info    .stat-icon { background: #e0f7fa; color: #00897b; }

.stat-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    height: 3px;
    width: 100%;
    border-radius: 0 0 var(--radius) var(--radius);
}
.stat-card.card-primary::after { background: var(--primary); }
.stat-card.card-success::after { background: var(--success); }
.stat-card.card-warning::after { background: var(--warning); }
.stat-card.card-info::after    { background: var(--info); }

/* ── Cards / Panels ────────────────────────────────────────── */
.card-panel {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(0,0,0,.04);
    overflow: hidden;
}

.card-panel .panel-header {
    padding: 18px 24px;
    border-bottom: 1px solid #f0f2f5;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.card-panel .panel-title {
    font-family: var(--font-main);
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    margin: 0;
}

.card-panel .panel-body { padding: 20px 24px; }

/* ── DataTables Custom ─────────────────────────────────────── */
.dataTables_wrapper .dataTables_filter input {
    border: 1px solid #dee2e6;
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    font-size: 13px;
    outline: none;
    transition: border-color var(--transition);
}
.dataTables_wrapper .dataTables_filter input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13,110,253,.1);
}

/* Fix length "Show" select – remove the underline / rogue border */
.dataTables_wrapper .dataTables_length select {
    border: 1px solid #dee2e6 !important;
    border-radius: 8px !important;
    font-size: 13px !important;
    background-color: #fff !important;
    outline: none !important;
    box-shadow: none !important;
    -webkit-appearance: auto;
    appearance: auto;
    --bs-form-select-bg-img: none !important;
    background-image: none !important;
    padding-right: 10px !important;
}
.dataTables_wrapper .dataTables_length select:focus {
    border-color: #0d6efd !important;
    box-shadow: 0 0 0 3px rgba(13,110,253,.1) !important;
}

table.dataTable thead th {
    font-family: var(--font-main);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .4px;
    color: var(--secondary);
    border-bottom: 2px solid #e9ecef;
    padding: 12px 16px;
    background: #fafbfc;
    white-space: nowrap;
}
.dt-buttons .btn-secondary,
.dt-buttons .buttons-colvis,
div.dt-buttons > button.btn-secondary {
    background-color: #11b73f !important
    border-color: #dee2e6 !important;
    color: #ffffff !important;
}
.dt-buttons .btn-secondary:hover,
.dt-buttons .buttons-colvis:hover {
    background-color: #11b73f !important
    color: #1e2835 !important;
    border-color: #ffffff !important;
}
table.dataTable tbody td {
    padding: 12px 16px;
    font-size: 13.5px;
    border-bottom: 1px solid #f5f5f5;
    vertical-align: middle;
}

table.dataTable tbody tr:hover td { background: #f8fbff; }

table.dataTable tbody tr.selected td { background: #eff4ff !important; }

.dt-buttons .btn {
    border-radius: var(--radius-sm) !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    padding: 6px 12px !important;
    margin: 0 2px !important;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn-primary   { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }

.btn-sm { font-size: 12px; padding: 4px 10px; border-radius: 6px; }

.btn-icon {
    width: 30px; height: 30px;
    padding: 0 !important;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 6px !important;
    font-size: 14px !important;
}

/* ── Badges ────────────────────────────────────────────────── */
.badge-role {
    font-size: 10px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: .4px;
}
.badge-admin { background: var(--primary-light); color: var(--primary); }
.badge-user  { background: #f0f0f0; color: var(--secondary); }

/* ── Forms ─────────────────────────────────────────────────── */
.form-control, .form-select {
    border-radius: var(--radius-sm);
    border-color: #dee2e6;
    font-size: 14px;
    padding: 10px 14px;
    transition: all var(--transition);
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13,110,253,.1);
}
.form-label { font-weight: 600; font-size: 13px; color: #3d4a5c; margin-bottom: 6px; }
.form-floating > label { color: var(--secondary); font-size: 13px; }
.form-text { font-size: 11.5px; color: var(--secondary); }

/* ── Toast Container ───────────────────────────────────────── */
.toast-container { z-index: 9999; }
.toast { border-radius: var(--radius-sm); font-size: 13.5px; }

/* ── Loading Overlay ───────────────────────────────────────── */
#loading-overlay {
    position: fixed; inset: 0;
    background: rgba(255,255,255,.85);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9998;
    flex-direction: column;
    gap: 12px;
}
#loading-overlay .spinner-border { width: 40px; height: 40px; }
#loading-overlay p { font-size: 13px; color: var(--secondary); font-weight: 500; }

/* ── Empty State ───────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--secondary);
}
.empty-state i { font-size: 56px; opacity: .25; display: block; margin-bottom: 16px; }
.empty-state h5 { font-family: var(--font-main); font-size: 16px; color: #aaa; }
.empty-state p  { font-size: 13px; }

/* ── Login Page ────────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f1b2d 0%, #1a2d47 50%, #0d2137 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(13,110,253,.15) 0%, transparent 70%);
    top: -100px; right: -100px;
    pointer-events: none;
}

.login-page::after {
    content: '';
    position: absolute;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(77,171,247,.08) 0%, transparent 70%);
    bottom: -50px; left: -50px;
    pointer-events: none;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 20px 80px rgba(0,0,0,.4);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.login-header {
    background: linear-gradient(135deg, var(--primary), #1e90ff);
    padding: 36px 32px 28px;
    text-align: center;
    color: #fff;
}

.login-logo {
    width: 60px; height: 60px;
    background: rgba(255,255,255,.2);
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 28px;
    margin: 0 auto 16px;
    backdrop-filter: blur(10px);
}

.login-header h4 {
    font-family: var(--font-main);
    font-weight: 800;
    font-size: 20px;
    margin-bottom: 4px;
}
.login-header p { font-size: 13px; opacity: .8; margin: 0; }

.login-body { padding: 32px; }

/* ── Admission Form (Public) ───────────────────────────────── */
.admission-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #f0f4f8 0%, #e8f0fe 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.admission-card {
    width: 100%;
    max-width: 680px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 8px 40px rgba(0,0,0,.1);
    overflow: hidden;
}

.admission-header {
    background: linear-gradient(135deg, var(--primary) 0%, #1e90ff 100%);
    padding: 36px 36px 28px;
    color: #fff;
    text-align: center;
}

.admission-header .school-icon {
    font-size: 40px;
    margin-bottom: 12px;
    display: block;
}

.admission-header h2 {
    font-family: var(--font-main);
    font-weight: 800;
    font-size: 22px;
    margin-bottom: 6px;
}

.admission-header p { opacity: .85; font-size: 14px; margin: 0; }

.admission-body { padding: 36px; }

/* ── Footer ────────────────────────────────────────────────── */
#footer {
    padding: 16px 24px;
    background: #fff;
    border-top: 1px solid #e9ecef;
    text-align: center;
    font-size: 12px;
    color: var(--secondary);
}
#footer a { color: var(--primary); }

/* ── Mobile Sidebar Overlay ────────────────────────────────── */
.sidebar-backdrop {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 1049;
    backdrop-filter: blur(2px);
}
.sidebar-backdrop.show { display: block; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 991.98px) {
    #sidebar {
        transform: translateX(-100%);
    }
    #sidebar.sidebar-open {
        transform: translateX(0);
    }
    #main-content {
        margin-left: 0;
    }
}

@media (max-width: 767.98px) {
    .page-content { padding: 16px; }
    .stat-card .stat-value { font-size: 26px; }
    .card-panel .panel-header { gap: 8px; }
    .card-panel .panel-body { padding: 16px; }
    table.dataTable thead th,
    table.dataTable tbody td { padding: 10px 10px; }
}

/* ── Utility ───────────────────────────────────────────────── */
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.text-xs { font-size: 11px; }
.text-sm { font-size: 13px; }
.gap-8 { gap: 8px; }
.rounded-pill-sm { border-radius: 20px; }

/* ── Counter Animation ─────────────────────────────────────── */
@keyframes countUp {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}
.stat-value { animation: countUp .4s ease forwards; }

/* ── Sidebar Collapsed (Desktop) ───────────────────────────── */
body.sidebar-collapsed #sidebar {
    width: 68px;
}
body.sidebar-collapsed #sidebar .brand-text,
body.sidebar-collapsed #sidebar .brand-sub,
body.sidebar-collapsed #sidebar .nav-section-label,
body.sidebar-collapsed #sidebar .sidebar-nav a span,
body.sidebar-collapsed #sidebar .nav-badge,
body.sidebar-collapsed #sidebar .user-info,
body.sidebar-collapsed #sidebar .logout-btn {
    display: none;
}
body.sidebar-collapsed #sidebar .sidebar-brand { justify-content: center; padding: 16px; }
body.sidebar-collapsed #sidebar .sidebar-nav a { justify-content: center; padding: 12px; }
body.sidebar-collapsed #sidebar .sidebar-nav a i { width: auto; }
body.sidebar-collapsed #sidebar .user-card { justify-content: center; }
body.sidebar-collapsed #main-content { margin-left: 68px; }

.table-responsive-wrapper { overflow-x: auto; }