/* =========================================================
   e-Rekrutacja — panel administratora / nauczyciela
   Wspólny system wizualny dla wszystkich stron opartych o
   includes/header.php + Bootstrap 5 (admin/*.php, teacher/*.php).

   Jasny motyw jest domyślny; ciemny włącza się klasą
   body.dark-mode (patrz includes/theme.php + menu konta w topbarze).
========================================================= */

:root {
    --er-bg: #eef2f7;
    --er-surface: #ffffff;
    --er-surface-2: #f8fafc;
    --er-text: #172033;
    --er-muted: #64748b;
    --er-border: #e2e8f0;
    --er-primary: #2563eb;
    --er-primary-dark: #1d4ed8;
    --er-shadow: 0 14px 34px rgba(15, 23, 42, .08);
    --er-shadow-sm: 0 4px 14px rgba(15, 23, 42, .06);
    --er-radius: 18px;
    --er-radius-sm: 12px;
}

html.dark-mode,
body.dark-mode {
    --er-bg: #0f172a;
    --er-surface: #111827;
    --er-surface-2: #1e293b;
    --er-text: #e5e7eb;
    --er-muted: #94a3b8;
    --er-border: #243244;
    --er-shadow: 0 14px 34px rgba(0, 0, 0, .32);
    --er-shadow-sm: 0 4px 14px rgba(0, 0, 0, .28);
}

/* ===== Reset / layout bazowy ===== */

html, body {
    margin: 0 !important;
    padding: 0 !important;
    background: var(--er-bg) !important;
    color: var(--er-text) !important;
    min-height: 100%;
    /* UWAGA: nie ustawiać tu overflow-x:hidden — przeglądarka wtedy domyślnie
       ustawia overflow-y:auto, co łamie position:sticky w .unified-sidebar
       (menu przestaje się "przyklejać" i przewija się razem ze stroną). */
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    transition: background .15s ease, color .15s ease;
}

.page-wrapper {
    min-height: 100vh !important;
    padding: 0 !important;
    background: var(--er-bg) !important;
}

.page-wrapper > .container-fluid { padding: 0 !important; }

.page-wrapper > .container-fluid > .row {
    margin: 0 !important;
    display: flex !important;
    flex-wrap: nowrap !important;
    align-items: stretch !important;
    min-height: 100vh !important;
}

main[class*="col-"],
.page-wrapper main {
    flex: 1 1 auto !important;
    width: auto !important;
    max-width: none !important;
    min-width: 0 !important;
    padding: 26px 32px !important;
    margin: 0 !important;
}

/* ===== Typografia ===== */

h1, h2, h3, h4, h5, h6 {
    color: var(--er-text);
    font-weight: 800;
    letter-spacing: -.01em;
}

.text-muted, small.text-muted {
    color: var(--er-muted) !important;
}

a { color: var(--er-primary); }
a:hover { color: var(--er-primary-dark); }

hr { border-color: var(--er-border); opacity: 1; }

code {
    background: var(--er-surface-2);
    color: var(--er-primary-dark);
    padding: 2px 6px;
    border-radius: 6px;
    font-size: .9em;
}

/* ===== Karty ===== */

.panel-card, .system-card, .auth-card, .table-card,
.card, .stat-card, .stat {
    background: var(--er-surface) !important;
    color: var(--er-text) !important;
    border: 1px solid var(--er-border) !important;
    border-radius: var(--er-radius) !important;
    box-shadow: var(--er-shadow) !important;
}

.panel-card {
    padding: 26px !important;
    margin-top: 0 !important;
    margin-bottom: 22px;
}

.panel-card + .panel-card { margin-top: 0; }

.card-body { padding: 22px; }

.card-header {
    background: var(--er-surface-2) !important;
    border-bottom: 1px solid var(--er-border) !important;
    font-weight: 800;
    border-radius: var(--er-radius) var(--er-radius) 0 0 !important;
}

.card-footer {
    background: var(--er-surface-2) !important;
    border-top: 1px solid var(--er-border) !important;
}

/* Karty klikalne (linki-karty) dostają subtelne uniesienie na hover */
a.panel-card:hover, a.card:hover, a.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 44px rgba(15, 23, 42, .13) !important;
    transition: transform .15s ease, box-shadow .15s ease;
}

/* ===== Przyciski ===== */

.btn {
    border-radius: var(--er-radius-sm) !important;
    font-weight: 800;
    padding: 9px 18px;
    transition: transform .12s ease, box-shadow .12s ease, background .15s ease;
}

.btn-sm { padding: 6px 13px; border-radius: 10px !important; }

.btn-primary {
    background: var(--er-primary) !important;
    border-color: var(--er-primary) !important;
}
.btn-primary:hover {
    background: var(--er-primary-dark) !important;
    border-color: var(--er-primary-dark) !important;
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--er-primary) !important;
    border-color: var(--er-primary) !important;
}
.btn-outline-primary:hover {
    background: var(--er-primary) !important;
    color: #fff !important;
}

.btn-outline-secondary {
    color: var(--er-muted) !important;
    border-color: var(--er-border) !important;
}
.btn-outline-secondary:hover {
    background: var(--er-surface-2) !important;
    color: var(--er-text) !important;
}

.btn-danger, .btn-outline-danger:hover { box-shadow: 0 10px 22px rgba(220, 38, 38, .25); }

.btn-system {
    box-shadow: var(--er-shadow-sm);
}

/* ===== Formularze ===== */

.form-control, .form-select {
    background: #fff !important;
    color: #111827 !important;
    border: 1px solid #cbd5e1 !important;
    border-radius: var(--er-radius-sm) !important;
    min-height: 42px;
    transition: border-color .15s ease, box-shadow .15s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--er-primary) !important;
    box-shadow: 0 0 0 .2rem rgba(37, 99, 235, .15) !important;
}

.form-label, label {
    font-weight: 700;
    color: var(--er-text);
    margin-bottom: 6px;
}

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

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

textarea.form-control { min-height: 90px; }

/* ===== Tabele ===== */

.table {
    --bs-table-bg: transparent !important;
    --bs-table-color: var(--er-text) !important;
    --bs-table-border-color: var(--er-border) !important;
    color: var(--er-text) !important;
}

.table thead th {
    background: var(--er-surface-2) !important;
    color: var(--er-text) !important;
    border-color: var(--er-border) !important;
    font-weight: 800;
    font-size: 12.5px;
    text-transform: uppercase;
    letter-spacing: .04em;
    white-space: nowrap;
}

.table tbody td {
    color: var(--er-text) !important;
    border-color: var(--er-border) !important;
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background: var(--er-surface-2) !important;
}

.table-responsive {
    max-width: 100%;
    overflow: auto;
    border-radius: var(--er-radius-sm);
}

/* ===== Odznaki (badge) ===== */

.badge { border-radius: 999px; font-weight: 800; padding: 5px 11px; }
.badge.text-bg-light { border: 1px solid var(--er-border); color: var(--er-text) !important; }

/* ===== Komunikaty (alert) ===== */

.alert {
    border-radius: 14px !important;
    border: 1px solid transparent;
    font-weight: 600;
}

.alert-success { background: #dcfce7; color: #166534; }
.alert-danger { background: #fee2e2; color: #b91c1c; }
.alert-warning { background: #fef3c7; color: #92400e; }
.alert-info { background: #dbeafe; color: #1e40af; }

body.dark-mode .alert-success { background: #052e1a; color: #bbf7d0; }
body.dark-mode .alert-danger { background: #3b0a0a; color: #fecaca; }
body.dark-mode .alert-warning { background: #3a2905; color: #fde68a; }
body.dark-mode .alert-info { background: #0c2b52; color: #bfdbfe; }

/* ===== Paginacja / zakładki ===== */

.pagination .page-link {
    border-radius: 10px !important;
    margin: 0 3px;
    border-color: var(--er-border);
    color: var(--er-text);
    background: var(--er-surface);
}
.pagination .page-item.active .page-link {
    background: var(--er-primary);
    border-color: var(--er-primary);
}

.nav-tabs { border-bottom-color: var(--er-border); }
.nav-tabs .nav-link {
    border: 0;
    border-radius: 10px 10px 0 0;
    color: var(--er-muted);
    font-weight: 700;
}
.nav-tabs .nav-link.active {
    color: var(--er-primary);
    background: var(--er-surface-2);
    border-bottom: 2px solid var(--er-primary);
}

/* ===== Modale ===== */

.modal-content {
    background: var(--er-surface);
    color: var(--er-text);
    border-radius: var(--er-radius);
    border: 1px solid var(--er-border);
}
.modal-header, .modal-footer { border-color: var(--er-border); }

/* ===== Karty statystyk z ikoną (np. admin/statistics.php, panel/dashboard.php) ===== */

.stat-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px !important;
    text-decoration: none;
    transition: transform .15s ease, box-shadow .15s ease;
}

.stat-card-icon {
    flex: none;
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-size: 21px;
}

.stat-card-body { display: flex; flex-direction: column; gap: 2px; min-width: 0 }
.stat-card-body b { font-size: 25px; line-height: 1; color: var(--er-text) }
.stat-card-body small { color: var(--er-muted); font-weight: 700; font-size: 12px }

.stat-blue .stat-card-icon { background: #e5f0fb; color: #1c6fb0 }
.stat-purple .stat-card-icon { background: #f6e8f4; color: #9c2d8f }
.stat-green .stat-card-icon { background: #e9f7e5; color: #2f8a1c }
.stat-red .stat-card-icon { background: #fdeaea; color: #c22323 }
.stat-orange .stat-card-icon { background: #fef3e2; color: #b8630a }
.stat-teal .stat-card-icon { background: #e2f6f3; color: #0f8a78 }

body.dark-mode .stat-blue .stat-card-icon { background: rgba(28, 111, 176, .18); color: #7fc2f7 }
body.dark-mode .stat-purple .stat-card-icon { background: rgba(156, 45, 143, .2); color: #e6a4dc }
body.dark-mode .stat-green .stat-card-icon { background: rgba(47, 138, 28, .2); color: #8fe07a }
body.dark-mode .stat-red .stat-card-icon { background: rgba(194, 35, 35, .22); color: #f5a3a3 }
body.dark-mode .stat-orange .stat-card-icon { background: rgba(184, 99, 10, .22); color: #fbbf67 }
body.dark-mode .stat-teal .stat-card-icon { background: rgba(15, 138, 120, .22); color: #6fe0cd }

/* Pasek wypełnienia (np. limit miejsc na profilu) */

.fill-bar {
    height: 8px;
    border-radius: 999px;
    background: var(--er-border);
    overflow: hidden;
    min-width: 110px;
}
.fill-bar div { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--er-primary), #60a5fa) }
.fill-bar.over div { background: linear-gradient(90deg, #dc2626, #f87171) }

/* ===== Pusty stan (do list bez danych) ===== */

.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--er-muted);
}
.empty-state .empty-state-icon { font-size: 34px; margin-bottom: 12px; }

/* ===== Sidebar (rozmiar/pozycja — wygląd w unified-sidebar.css) ===== */

.unified-sidebar {
    width: 280px !important;
    min-width: 280px !important;
    max-width: 280px !important;
    height: 100vh !important;
    min-height: 100vh !important;
    position: sticky !important;
    top: 0 !important;
    align-self: flex-start !important;
}

/* ===== Ciemny motyw — dopełnienia specyficzne dla Bootstrapa ===== */

body.dark-mode .form-control,
body.dark-mode .form-select {
    background: #1e293b !important;
    color: #f8fafc !important;
    border-color: #334155 !important;
}
body.dark-mode .form-control::placeholder { color: #94a3b8 !important; }
body.dark-mode .form-control:disabled { background: #172033 !important; }

body.dark-mode .bg-light { background: #1e293b !important; color: #e5e7eb !important; }

body.dark-mode .table-hover tbody tr:hover { background: #1e293b !important; }

body.dark-mode .badge.text-bg-light { background: #1e293b !important; }

/* ===== Responsywność ===== */

@media (max-width: 992px) {
    .page-wrapper > .container-fluid > .row {
        flex-direction: column !important;
    }

    .unified-sidebar {
        position: relative !important;
        width: 100% !important;
        min-width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        min-height: auto !important;
        border-right: 0 !important;
        border-bottom: 1px solid #243244 !important;
    }

    main[class*="col-"],
    .page-wrapper main {
        width: 100% !important;
        padding: 18px !important;
    }
}

@media (max-width: 576px) {
    .panel-card { padding: 18px !important; }
}