/* ========================================
   MODERN LIGHT STYLE - Telegram Poster
   ======================================== */

:root {
    /* Светлая тема (по умолчанию) */
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --text: #0f172a;
    --text-light: #64748b;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-light: #60a5fa;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --input-bg: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 40px -5px rgba(0, 0, 0, 0.1);
    --radius: 24px;
    --radius-sm: 16px;
}

/* Тёмная тема */
body.dark {
    --bg: #0f172a;
    --card-bg: #1e293b;
    --border: #334155;
    --text: #f1f5f9;
    --text-light: #94a3b8;
    --input-bg: #0f172a;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    transition: background 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px 24px;
    position: relative;
    z-index: 1;
}

/* Карточка */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 32px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

/* Кнопки */
.btn {
    padding: 10px 24px;
    border: none;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: var(--border);
}

.btn-sm {
    padding: 6px 16px;
    font-size: 13px;
}

/* Заголовки */
h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
}

h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    margin-top: 24px;
}

/* Сетка статистики */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 24px 20px;
    text-align: center;
    transition: all 0.2s;
    border: 1px solid var(--border);
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

.stat-number.success {
    color: var(--success);
}

.stat-number.error {
    color: var(--danger);
}

.stat-label {
    color: var(--text-light);
    font-size: 13px;
}

/* Список пользователей */
.user-list {
    margin-top: 20px;
}

.user-item {
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 20px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.user-item:hover {
    border-color: var(--primary);
    transform: translateX(4px);
}

.user-info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.user-info p {
    color: var(--text-light);
    font-size: 13px;
}

.user-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.badge-admin {
    display: inline-block;
    padding: 2px 8px;
    background: var(--warning);
    color: white;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 500;
    margin-left: 8px;
}

/* Табы */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
    flex-wrap: wrap;
}

.tab-btn {
    background: transparent;
    border: none;
    border-radius: 40px;
    padding: 8px 20px;
    cursor: pointer;
    color: var(--text-light);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.tab-btn:hover {
    color: var(--text);
    background: var(--border);
}

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

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Формы */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

input, textarea, select {
    width: 100%;
    padding: 12px 16px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 14px;
    color: var(--text);
    transition: all 0.2s;
    font-family: inherit;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Пустое состояние */
.empty-state {
    text-align: center;
    padding: 60px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    color: var(--text-light);
    border: 1px dashed var(--border);
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

/* Модальное окно */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 32px;
    max-width: 420px;
    width: 90%;
    border: 1px solid var(--border);
}

.modal-buttons {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

/* Ошибочные посты */
.error-posts-list {
    max-height: 600px;
    overflow-y: auto;
}

.error-post-item {
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 12px;
    border-left: 3px solid var(--danger);
    transition: all 0.2s;
}

.error-post-item:hover {
    transform: translateX(4px);
}

.error-post-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}

.error-user {
    font-weight: 600;
    color: var(--primary);
}

.error-date {
    font-size: 12px;
    color: var(--text-light);
}

.error-channel {
    font-size: 12px;
    background: var(--border);
    padding: 2px 8px;
    border-radius: 20px;
    display: inline-block;
    margin-right: 6px;
}

.error-text {
    font-size: 13px;
    color: var(--text);
    margin: 8px 0;
    padding: 8px;
    background: var(--input-bg);
    border-radius: 10px;
}

.error-message {
    font-size: 12px;
    color: var(--danger);
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}

/* Скроллбар */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--border);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

/* Адаптив */
@media (max-width: 768px) {
    .container {
        padding: 20px 16px;
    }
    .card {
        padding: 20px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .user-item {
        flex-direction: column;
        text-align: center;
    }
    .user-actions {
        justify-content: center;
    }
}