/**
 * Secure Remote Work Platform - Основные стили
 * Адаптивный дизайн с поддержкой темной/светлой темы
 */

:root {
    /* Светлая тема */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f7fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
    --accent-color: #0066cc;
    --accent-hover: #0052a3;
    --success-color: #28a745;
    --error-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 6px rgba(0,0,0,0.1);
}

[data-theme="dark"] {
    /* Темная тема */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3a3a3a;
    --text-primary: #e9ecef;
    --text-secondary: #adb5bd;
    --border-color: #495057;
    --accent-color: #4dabf7;
    --accent-hover: #339af0;
    --shadow: 0 2px 4px rgba(0,0,0,0.3);
    --shadow-lg: 0 4px 6px rgba(0,0,0,0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

/* Утилиты */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Страница входа */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.login-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.login-form {
    margin-bottom: 20px;
}

.login-footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 12px;
    margin-top: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-secondary);
    font-size: 12px;
}

/* Кнопки */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    text-align: center;
}

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

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

.btn-block {
    display: block;
    width: 100%;
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

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

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

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Алерты */
.alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-error {
    background-color: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

.alert-success {
    background-color: #efe;
    color: #3c3;
    border: 1px solid #cfc;
}

.alert-warning {
    background-color: #ffe;
    color: #cc3;
    border: 1px solid #ffc;
}

.alert-info {
    background-color: #eef;
    color: #33c;
    border: 1px solid #ccf;
}

/* Шапка */
.header {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    margin-bottom: 30px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-title {
    font-size: 20px;
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

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

.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-primary);
}

/* Дашборд */
.dashboard {
    padding: 20px 0;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.stat-card-title {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.stat-card-value {
    font-size: 32px;
    font-weight: 600;
    color: var(--text-primary);
}

.stat-card-change {
    font-size: 12px;
    margin-top: 5px;
    color: var(--success-color);
}

/* Мессенджер */
.messenger-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 20px;
    height: calc(100vh - 200px);
}

.conversations-list {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow-y: auto;
}

.conversation-item {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s;
}

.conversation-item:hover {
    background-color: var(--bg-secondary);
}

.conversation-item.active {
    background-color: var(--bg-tertiary);
}

.conversation-name {
    font-weight: 500;
    margin-bottom: 5px;
}

.conversation-preview {
    font-size: 12px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.messages-container {
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.messages-list {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.message {
    margin-bottom: 15px;
    max-width: 70%;
}

.message.sent {
    margin-left: auto;
}

.message-content {
    padding: 12px 16px;
    border-radius: 12px;
    background-color: var(--bg-secondary);
}

.message.sent .message-content {
    background-color: var(--accent-color);
    color: white;
}

.message-time {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 5px;
}

.message-input-form {
    display: flex;
    padding: 15px;
    border-top: 1px solid var(--border-color);
    gap: 10px;
}

.message-input {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    resize: none;
}

/* Таблицы */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background-color: var(--bg-secondary);
    font-weight: 600;
}

.table tr:hover {
    background-color: var(--bg-secondary);
}

/* Модерация */
.moderation-queue {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
}

.message-preview {
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: 4px;
    margin-bottom: 15px;
}

.message-actions {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

/* Адаптивность */
@media (max-width: 768px) {
    .messenger-container {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .conversations-list {
        max-height: 200px;
    }
    
    .message {
        max-width: 85%;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
}

/* Переключатель темы */
.theme-toggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
}

/* Уведомления */
.notification-badge {
    position: relative;
}

.badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--error-color);
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Загрузка */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

/* Пустое состояние */
.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

/* Админские карточки и формы */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
}

.form-grid .full-width {
    grid-column: 1 / -1;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.inline-form {
    display: inline-flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.search-form {
    display: flex;
    gap: 10px;
    align-items: center;
}

.filters-row {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.filters-row > div {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.text-muted {
    color: var(--text-secondary);
    font-size: 14px;
}

.badge-low { background: #5c6bc0; }
.badge-medium { background: #ffa000; }
.badge-high { background: #ef5350; }
.badge-critical { background: #c62828; }

/* Модалка создания разговора */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 1000;
}

.modal.open {
    display: flex;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 30px;
    width: 100%;
    max-width: 520px;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    border: none;
    background: transparent;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal-input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    margin: 15px 0;
}

.modal-results {
    max-height: 320px;
    overflow-y: auto;
}

.conversation-results-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.conversation-result {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 15px;
    background: var(--bg-secondary);
}

@media (max-width: 768px) {
    .inline-form {
        flex-direction: column;
        align-items: flex-start;
    }

    .conversation-result {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}