/* ===== Базовые стили (светлая тема) ===== */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafc;
    --bg-card: #ffffff;
    --border-color: #e2e8f0;
    --accent: #3b82f6;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --gray: #94a3b8;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    margin: 0;
    min-height: 100vh;
    display: flex;
}

/* ===== Сайдбар ===== */
.sidebar {
    width: 260px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 2rem 1rem;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    box-shadow: var(--shadow);
}

.sidebar .logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2rem;
    padding-left: 0.75rem;
    letter-spacing: -0.02em;
}

.sidebar .logo i {
    color: var(--accent);
    margin-right: 0.5rem;
}

.sidebar .nav-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    margin: 0.25rem 0;
    border-radius: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
}

.sidebar .nav-item i {
    font-size: 1.25rem;
    margin-right: 1rem;
    width: 1.5rem;
    text-align: center;
}

.sidebar .nav-item:hover {
    background-color: rgba(59, 130, 246, 0.05);
    color: var(--text-primary);
}

.sidebar .nav-item.active {
    background-color: var(--accent);
    color: white;
}

.sidebar .nav-item.active i {
    color: white;
}

.sidebar .user-info {
    margin-top: auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
}

.sidebar .user-info i {
    font-size: 1.5rem;
    color: var(--accent);
}

.sidebar .logout-btn {
    margin-top: 1rem;
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem;
    border-radius: 8px;
    text-align: center;
    text-decoration: none;
    transition: all 0.2s;
}

.sidebar .logout-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ===== Основной контент ===== */
.main-content {
    margin-left: 260px;
    flex: 1;
    padding: 2rem;
    min-width: 0;
}

/* ===== Карточки дашборда ===== */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    transition: box-shadow 0.2s;
    box-shadow: var(--shadow);
}

.card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
}

.card .card-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.card .card-value {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

/* ===== Таблицы ===== */
.table-wrapper {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    margin-top: 1.5rem;
    box-shadow: var(--shadow);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

th {
    text-align: left;
    padding: 1rem 1rem;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

tr:last-child td {
    border-bottom: none;
}

tbody tr:hover {
    background-color: rgba(59, 130, 246, 0.02);
    cursor: pointer;
}

/* ===== Бейджи ===== */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
    border-color: #fde68a;
}

.badge-primary {
    background-color: #dbeafe;
    color: #1e40af;
    border-color: #bfdbfe;
}

.badge-danger {
    background-color: #fee2e2;
    color: #b91c1c;
    border-color: #fecaca;
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
    border-color: #a7f3d0;
}

/* ===== Кнопки ===== */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 1px solid transparent;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
    background-color: transparent;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
}

.btn-primary:hover {
    background-color: #2563eb;
}

.btn-success {
    background-color: var(--success);
    color: white;
}

.btn-success:hover {
    background-color: #059669;
}

.btn-warning {
    background-color: var(--gray);
    color: white;
}

.btn-warning:hover {
    background-color: #64748b;
}

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

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ===== Формы и фильтры ===== */
.filter-form {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
    margin-bottom: 2rem;
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.form-group {
    display: flex;
    flex-direction: column;
    min-width: 150px;
}

.form-group label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    font-weight: 500;
}

.form-control {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* ===== Пагинация ===== */
.pagination {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 2rem;
}

.page-link {
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s;
}

.page-link:hover,
.page-link.active {
    background-color: var(--accent);
    border-color: var(--accent);
    color: white;
}

/* ===== Аккордеон (транскрипция) ===== */
.accordion-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.accordion-header button {
    background-color: transparent;
    border: none;
    padding: 1rem;
    width: 100%;
    text-align: left;
    color: var(--text-primary);
    font-weight: 500;
    transition: background-color 0.2s;
}

.accordion-header button:hover {
    background-color: rgba(59, 130, 246, 0.02);
}

.accordion-body {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    font-family: monospace;
    white-space: pre-wrap;
}

/* ===== График Chart.js (кастомизация) ===== */
.chart-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    margin-top: 1.5rem;
    box-shadow: var(--shadow);
}

/* ===== Дополнительные утилиты ===== */
.text-secondary {
    color: var(--text-secondary);
}

.w-100 {
    width: 100%;
}

.text-center {
    text-align: center;
}