/* ═══════════════════════════════════════════════════════════════════
   BPS Academy — Админ-панель V2
   Цветовая схема: тёмный сайдбар + светлый контент
   ═══════════════════════════════════════════════════════════════════ */

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #a5b4fc;
    --sidebar-bg: #0f172a;
    --sidebar-hover: #1e293b;
    --sidebar-active: #6366f1;
    --body-bg: #f1f5f9;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --success: #22c55e;
    --success-bg: #dcfce7;
    --warning: #f59e0b;
    --warning-bg: #fef3c7;
    --danger: #ef4444;
    --danger-bg: #fee2e2;
    --info: #3b82f6;
    --info-bg: #dbeafe;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-lg: 0 10px 15px rgba(0,0,0,.08), 0 4px 6px rgba(0,0,0,.04);
    --transition: .2s ease;
    --sidebar-w: 260px;
}

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

html { font-size: 14px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--body-bg);
    color: var(--text);
    line-height: 1.6;
    display: flex;
    min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

/* ── Сайдбар ───────────────────────────────────────────────────── */

.sidebar {
    position: fixed;
    left: 0; top: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.brand-icon {
    width: 42px; height: 42px;
    background: var(--primary);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 18px;
}

.brand-name { color: #fff; font-weight: 700; font-size: 16px; }
.brand-sub { color: rgba(255,255,255,.4); font-size: 11px; }

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 16px;
    border-radius: var(--radius-sm);
    color: #94a3b8;
    font-weight: 500;
    transition: var(--transition);
}
.nav-item:hover {
    background: var(--sidebar-hover);
    color: #e2e8f0;
}
.nav-item.active {
    background: var(--sidebar-active);
    color: #fff;
}
.nav-item i { width: 20px; text-align: center; font-size: 15px; }

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid rgba(255,255,255,.08);
}
.nav-item.logout:hover { background: rgba(239,68,68,.15); color: var(--danger); }

/* ── Основной контент ──────────────────────────────────────────── */

.main-content {
    flex: 1;
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    background: var(--card-bg);
    padding: 16px 32px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
    position: sticky; top: 0;
    z-index: 50;
}
.page-title { font-size: 20px; font-weight: 700; }
.sidebar-toggle { display: none; background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text); }

.content { padding: 24px 32px; flex: 1; }

/* ── Flash-сообщения ───────────────────────────────────────────── */

.flash-container { padding: 16px 32px 0; }

.flash {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; gap: 10px;
    font-weight: 500; font-size: 13px;
    position: relative;
}
.flash-success { background: var(--success-bg); color: #166534; }
.flash-error { background: var(--danger-bg); color: #991b1b; }
.flash-close {
    position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
    background: none; border: none; font-size: 18px; cursor: pointer;
    color: inherit; opacity: .6;
}
.flash-close:hover { opacity: 1; }

/* ── Карточки статистики ───────────────────────────────────────── */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 24px;
    display: flex; align-items: center; gap: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }

.stat-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; color: #fff; flex-shrink: 0;
}
.stat-icon.users   { background: linear-gradient(135deg, #6366f1, #818cf8); }
.stat-icon.actions { background: linear-gradient(135deg, #3b82f6, #60a5fa); }
.stat-icon.admins  { background: linear-gradient(135deg, #f59e0b, #fbbf24); }

.stat-value { font-size: 28px; font-weight: 700; display: block; line-height: 1; }
.stat-label { color: var(--text-muted); font-size: 13px; margin-top: 4px; display: block; }

/* ── Карточки ──────────────────────────────────────────────────── */

.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
}
.card-header h2 { font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 8px; }

/* ── Таблицы ───────────────────────────────────────────────────── */

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

.table {
    width: 100%; border-collapse: collapse;
}
.table th {
    background: #f8fafc;
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .5px;
    border-bottom: 1px solid var(--border);
}
.table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.table tr:hover td { background: #f8fafc; }
.table .empty { text-align: center; color: var(--text-muted); padding: 32px; }

.td-time { font-size: 12px; color: var(--text-muted); white-space: nowrap; }
.td-data { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.user-link { font-weight: 600; }

/* ── Бейджи ────────────────────────────────────────────────────── */

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: lowercase;
}
.badge.small { font-size: 10px; padding: 2px 8px; }

.badge-button, .badge-navigate  { background: var(--info-bg); color: #1e40af; }
.badge-command    { background: #f3e8ff; color: #7c3aed; }
.badge-select_city, .badge-view_course { background: #ecfdf5; color: #065f46; }
.badge-view_exam, .badge-view_contract { background: var(--warning-bg); color: #92400e; }
.badge-operator   { background: var(--danger-bg); color: #991b1b; }
.badge-message    { background: #f0f9ff; color: #075985; }
.badge-admin      { background: #fdf2f8; color: #9d174d; }
.badge-view_contacts { background: #ecfdf5; color: #065f46; }

/* ── Кнопки ────────────────────────────────────────────────────── */

.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 9px 18px;
    border: none; border-radius: var(--radius-sm);
    font-weight: 600; font-size: 13px;
    cursor: pointer; transition: var(--transition);
    text-decoration: none; white-space: nowrap;
}
.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #16a34a; color: #fff; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; color: #fff; }

.btn-outline {
    background: transparent; color: var(--text-muted);
    border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.btn-filter {
    background: var(--card-bg); color: var(--text-muted);
    border: 1px solid var(--border);
    padding: 6px 14px; font-size: 12px;
}
.btn-filter.active, .btn-filter:hover {
    background: var(--primary); color: #fff; border-color: var(--primary);
}

/* ── Фильтры ───────────────────────────────────────────────────── */

.filters-bar {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.filters-form {
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}

.search-box {
    position: relative; flex: 1; min-width: 200px;
}
.search-box i {
    position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
    color: var(--text-muted);
}
.search-box input {
    width: 100%; padding: 9px 12px 9px 36px;
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    font-size: 13px; font-family: inherit;
    transition: var(--transition);
}
.search-box input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,.15); }

.filter-buttons { display: flex; gap: 6px; flex-wrap: wrap; }

/* ── Пользователи — сетка карточек ─────────────────────────────── */

.users-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.user-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex; flex-direction: column; gap: 14px;
    color: var(--text);
    border-left: 4px solid transparent;
}
.user-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-left-color: var(--primary);
    color: var(--text);
}

.user-card-header { display: flex; align-items: center; gap: 12px; }

.user-avatar {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff; font-weight: 700; font-size: 16px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.user-avatar.admin { background: linear-gradient(135deg, var(--danger), #fb7185); }

.user-meta { flex: 1; overflow: hidden; }
.user-name { display: block; font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-id { display: block; font-size: 11px; color: var(--text-muted); }

.role-badge {
    padding: 3px 10px; border-radius: 20px;
    font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px;
}
.role-badge.admin { background: var(--danger-bg); color: var(--danger); }
.role-badge.user { background: var(--info-bg); color: var(--info); }

.user-card-body { display: flex; gap: 20px; }
.user-stat { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-muted); }
.user-stat i { font-size: 13px; }

.user-card-footer { border-top: 1px solid var(--border); padding-top: 12px; }

.status-badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 12px; border-radius: 20px;
    font-size: 11px; font-weight: 600;
}
.status-badge.admin-badge { background: var(--success-bg); color: #166534; }
.status-badge.user-badge { background: #f1f5f9; color: var(--text-muted); }

.empty-state {
    grid-column: 1 / -1;
    text-align: center; padding: 60px 20px;
    color: var(--text-muted);
}
.empty-state i { font-size: 48px; margin-bottom: 16px; display: block; }

/* ── Страница профиля пользователя ──────────────────────────────── */

.profile-header {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 24px 28px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}
.profile-left { display: flex; align-items: center; gap: 16px; }

.user-avatar-lg {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff; font-weight: 700; font-size: 22px;
    display: flex; align-items: center; justify-content: center;
}
.user-avatar-lg.admin { background: linear-gradient(135deg, var(--danger), #fb7185); }

.profile-details h3 { font-size: 18px; margin-bottom: 4px; }
.profile-username { color: var(--text-muted); font-weight: 400; font-size: 15px; }
.profile-meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--text-muted); }
.profile-meta span { display: flex; align-items: center; gap: 4px; }

.action-count { font-size: 12px; color: var(--text-muted); }

/* ── Логин ─────────────────────────────────────────────────────── */

.login-body {
    display: flex; justify-content: center; align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

.login-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 48px 40px;
    width: 100%; max-width: 420px;
    box-shadow: 0 25px 50px rgba(0,0,0,.25);
}

.login-header { text-align: center; margin-bottom: 32px; }
.login-icon {
    width: 64px; height: 64px; margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 28px;
}
.login-header h1 { font-size: 24px; font-weight: 700; }
.login-header p { color: var(--text-muted); font-size: 14px; margin-top: 4px; }

.form-group { margin-bottom: 20px; }
.form-group label {
    display: block; margin-bottom: 6px;
    font-weight: 600; font-size: 13px; color: var(--text-muted);
}
.form-group input {
    width: 100%; padding: 12px 16px;
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    font-size: 14px; font-family: inherit;
    transition: var(--transition);
}
.form-group input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,.15); }

/* ── Адаптивность ──────────────────────────────────────────────── */

.sidebar-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 90;
}

@media (max-width: 1024px) {
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .sidebar-overlay.open { display: block; }
    .sidebar-toggle { display: block; }
    .main-content { margin-left: 0; }
    .topbar { padding: 12px 16px; }
    .content { padding: 16px; }
    .flash-container { padding: 12px 16px 0; }
    .page-title { font-size: 16px; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .stat-card { padding: 16px; }
    .stat-value { font-size: 22px; }
    .stat-icon { width: 42px; height: 42px; font-size: 16px; }

    .info-row { flex-direction: column; }

    .users-grid { grid-template-columns: 1fr; }

    .profile-header { flex-direction: column; align-items: flex-start; }

    .filters-form { flex-direction: column; }
    .search-box { min-width: 100%; }
    .filter-buttons { width: 100%; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }

    .login-card { margin: 16px; padding: 32px 24px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .chat-bubble { max-width: 90%; }
}

/* ── Скроллбар ─────────────────────────────────────────────────── */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ── Анимации ──────────────────────────────────────────────────── */

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.stat-card, .user-card, .card {
    animation: fadeIn .3s ease forwards;
}