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

:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --danger: #ef4444;
    --warning: #f59e0b;
    --success: #10b981;
    --border: #e2e8f0;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border: #334155;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: background 0.3s, color 0.3s;
    line-height: 1.5;
}

.app {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Навигация */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--bg-secondary);
    border-radius: 24px;
    margin-bottom: 24px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
}

.logo-icon {
    font-size: 32px;
}

.logo-text {
    background: linear-gradient(135deg, #6366f1, #a855f7);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.nav-btn {
    padding: 10px 20px;
    background: transparent;
    border: none;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
}

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

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

.theme-btn {
    background: var(--border);
    border: none;
    padding: 10px;
    border-radius: 40px;
    cursor: pointer;
    font-size: 18px;
    width: 40px;
    height: 40px;
}

/* Основной контент */
.main {
    flex: 1;
}

.tab {
    display: none;
}

.tab.active {
    display: block;
}

/* Карточки */
.welcome-card {
    background: linear-gradient(135deg, #6366f1, #a855f7);
    color: white;
    padding: 32px;
    border-radius: 24px;
    margin-bottom: 24px;
}

.welcome-card h1 {
    font-size: 28px;
    margin-bottom: 8px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 20px;
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
}

.stat-title {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 8px;
}

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

.progress-bar {
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    margin-top: 12px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 4px;
    transition: width 0.3s;
}

/* График */
.chart-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 24px;
}

.chart-container h3 {
    margin-bottom: 20px;
}

/* Рекомендации */
.recommendations-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 20px;
}

.recommendations-list {
    margin-top: 16px;
}

.recommendation-item {
    padding: 16px;
    border-left: 4px solid var(--accent);
    background: var(--bg-primary);
    margin-bottom: 12px;
    border-radius: 12px;
}

.recommendation-title {
    font-weight: 600;
    margin-bottom: 8px;
}

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

/* Анализ текста */
.analyze-container {
    max-width: 800px;
    margin: 0 auto;
}

.text-input {
    width: 100%;
    min-height: 200px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 16px;
    font-family: inherit;
    margin: 20px 0;
    resize: vertical;
}

.analyze-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.btn-primary, .btn-secondary, .btn-danger {
    padding: 12px 24px;
    border: none;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

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

.btn-secondary:hover {
    opacity: 0.8;
}

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

.analysis-result {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    margin: 20px 0;
}

/* История */
.history-list {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
    max-height: 500px;
    overflow-y: auto;
}

.history-item {
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

.history-item:last-child {
    border-bottom: none;
}

.history-date {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.history-score {
    font-weight: 600;
}

/* Настройки */
.settings-container {
    max-width: 600px;
    margin: 0 auto;
}

.setting-group {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
}

.setting-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 12px;
}

.setting-group input[type="text"] {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-primary);
    color: var(--text-primary);
    margin-bottom: 12px;
}

.setting-group input[type="range"] {
    width: 100%;
    margin: 12px 0;
}

.setting-hint {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 8px;
}

/* Футер */
.footer {
    text-align: center;
    padding: 24px;
    color: var(--text-secondary);
    font-size: 13px;
    border-top: 1px solid var(--border);
    margin-top: 40px;
}

/* Адаптивность */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 16px;
    }
    
    .nav-links {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .welcome-card h1 {
        font-size: 24px;
    }
    
    .analyze-actions {
        flex-direction: column;
    }
}

/* ============================================
   ДОПОЛНИТЕЛЬНЫЕ СТИЛИ ДЛЯ НОВЫХ ФУНКЦИЙ
   ============================================ */

/* Дневник */
.diary-container {
    max-width: 800px;
    margin: 0 auto;
}

.diary-header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 20px;
}

.diary-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.diary-list {
    margin-top: 24px;
}

.diary-item {
    background: var(--bg-secondary);
    border-left: 4px solid var(--accent);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--card-shadow);
}

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

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

.diary-index {
    font-weight: 700;
    font-size: 18px;
}

.diary-risk {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.diary-note {
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    white-space: pre-wrap;
}

.diary-empty {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border-radius: 16px;
}

/* Тренды */
.trends-container {
    max-width: 900px;
    margin: 0 auto;
}

.trend-prediction-card {
    background: var(--bg-secondary);
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--card-shadow);
}

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

.trend-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
}

.trend-icon {
    font-size: 28px;
}

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

.trend-values {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.trend-current, .trend-predicted {
    text-align: center;
}

.trend-label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.trend-number {
    font-size: 32px;
    font-weight: 700;
}

.trend-arrow {
    font-size: 24px;
    color: var(--text-secondary);
}

.trend-message {
    font-size: 14px;
    padding: 12px;
    background: var(--bg-primary);
    border-radius: 12px;
    color: var(--text-primary);
}

.trend-placeholder {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.trends-info {
    background: var(--bg-secondary);
    border-radius: 20px;
    padding: 24px;
    margin-top: 24px;
}

.trends-info h3 {
    margin-bottom: 16px;
}

.trends-info ul {
    list-style: none;
    padding: 0;
}

.trends-info li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.trend-up { color: #ef4444; font-weight: 600; }
.trend-down { color: #10b981; font-weight: 600; }
.trend-stable { color: #f59e0b; font-weight: 600; }

.trends-note {
    margin-top: 16px;
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-primary);
    padding: 12px;
    border-radius: 12px;
}

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

.modal-content {
    background: var(--bg-secondary);
    border-radius: 24px;
    padding: 24px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h3 {
    margin: 0;
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    margin-bottom: 20px;
    resize: vertical;
}

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

/* Уведомления-тосты */
.toast-notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    max-width: 300px;
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

.quick-result h4 {
    margin-bottom: 12px;
}

.quick-index {
    margin-bottom: 8px;
}

.quick-risk, .quick-sentiment {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

/* Детали анализа */
.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 8px;
    margin-top: 8px;
}

.rec-item {
    margin-bottom: 12px;
    padding: 8px 12px;
    background: var(--bg-primary);
    border-radius: 12px;
}

.rec-item.critical { border-left: 3px solid #ef4444; }
.rec-item.high { border-left: 3px solid #f97316; }
.rec-item.medium { border-left: 3px solid #f59e0b; }
.rec-item.sleep { border-left: 3px solid #6366f1; }
.rec-item.perfectionism { border-left: 3px solid #8b5cf6; }
.rec-item.loneliness { border-left: 3px solid #ec489a; }

.rec-item strong {
    display: block;
    margin-bottom: 4px;
}

.rec-item p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

.analysis-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    justify-content: flex-end;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
    background: var(--border);
    border: none;
    border-radius: 20px;
    cursor: pointer;
    margin-top: 8px;
    color: var(--text-primary);
}

.btn-small:hover {
    opacity: 0.8;
}

.history-item {
    position: relative;
}

.delete-history-item {
    position: absolute;
    bottom: 12px;
    right: 16px;
}

/* Адаптивность */
@media (max-width: 768px) {
    .diary-header-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .diary-actions {
        justify-content: stretch;
    }
    
    .diary-actions button {
        width: 100%;
    }
    
    .trend-values {
        gap: 20px;
    }
    
    .trend-number {
        font-size: 24px;
    }
    
    .details-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .analysis-actions {
        flex-direction: column;
    }
    
    .delete-history-item {
        position: static;
        margin-top: 12px;
    }
}

/* ============================================
   МОДАЛЬНОЕ ОКНО ПРЕДУПРЕЖДЕНИЯ О ХРАНЕНИИ ДАННЫХ
   ============================================ */

.modal-warning {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.modal-warning-content {
    background: var(--bg-secondary);
    border-radius: 32px;
    max-width: 550px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease;
}

.modal-warning-header {
    text-align: center;
    padding: 28px 24px 16px;
    border-bottom: 1px solid var(--border);
}

.warning-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 12px;
}

.modal-warning-header h2 {
    margin: 0;
    font-size: 22px;
    color: var(--text-primary);
}

.modal-warning-body {
    padding: 24px;
}

.warning-box {
    background: #fef9e3;
    border-left: 4px solid #f59e0b;
    padding: 16px;
    border-radius: 16px;
    margin-bottom: 20px;
    color: #92400e;
}

[data-theme="dark"] .warning-box {
    background: #2d2a1a;
    border-left-color: #f59e0b;
    color: #fde047;
}

.danger-box {
    background: #fee2e2;
    border-left: 4px solid #ef4444;
    padding: 16px;
    border-radius: 16px;
    margin-bottom: 20px;
    color: #991b1b;
}

[data-theme="dark"] .danger-box {
    background: #2d1a1a;
    border-left-color: #ef4444;
    color: #fecaca;
}

.danger-box ul {
    margin: 8px 0 0 20px;
    padding: 0;
}

.danger-box li {
    margin: 6px 0;
}

.instruction-box {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: 16px;
    margin-bottom: 20px;
}

.instruction-box ol {
    margin: 8px 0 0 20px;
    padding: 0;
}

.instruction-box li {
    margin: 6px 0;
    color: var(--text-secondary);
}

.encryption-box {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 20px;
}

.encryption-options {
    margin-top: 12px;
}

.encryption-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    cursor: pointer;
}

.encryption-option input {
    margin: 0;
    cursor: pointer;
}

.reminder-box {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 0;
    border-top: 1px solid var(--border);
    margin-top: 8px;
}

.modal-warning-footer {
    padding: 16px 24px 24px;
    border-top: 1px solid var(--border);
}

#closeWarningBtn {
    width: 100%;
    padding: 14px;
    font-size: 16px;
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   СТИЛИ ДЛЯ ЧЕК-БОКСА СОГЛАСИЯ (TERMS BOX)
   ============================================ */

.terms-box {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 14px 16px;
    margin-bottom: 20px;
    transition: all 0.2s ease;
}

.terms-box:hover {
    border-color: var(--accent);
}

.terms-box label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    line-height: 1.4;
    color: var(--text-primary);
}

.terms-box input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
    flex-shrink: 0;
    accent-color: var(--accent);
}

.terms-box span {
    flex: 1;
    white-space: normal;
}

.terms-box a {
    color: var(--accent);
    text-decoration: none;
    white-space: nowrap;
}

.terms-box a:hover {
    text-decoration: underline;
}

/* Для мобильных устройств */
@media (max-width: 600px) {
    .terms-box {
        padding: 12px;
    }
    
    .terms-box label {
        align-items: flex-start;
        font-size: 13px;
    }
    
    .terms-box input[type="checkbox"] {
        margin-top: 2px;
    }
    
    .terms-box a {
        white-space: normal;
        display: inline-block;
    }
}

/* ============================================
   СТИЛИ ДЛЯ ФИЛЬТРОВ В ТЁМНОЙ ТЕМЕ
   ============================================ */

/* Стили для select (выпадающий список) */
select,
input[type="date"],
input[type="text"],
input[type="password"],
textarea {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    transition: all 0.2s ease;
}

select option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* Специально для фильтров в дневнике и истории */
#diaryRiskFilter,
#historyRiskFilter,
#diaryDateFrom,
#diaryDateTo,
#historyDateFrom,
#historyDateTo {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: 8px 12px;
    border-radius: 12px;
    font-size: 14px;
}

/* Для тёмной темы */
[data-theme="dark"] #diaryRiskFilter,
[data-theme="dark"] #historyRiskFilter,
[data-theme="dark"] #diaryDateFrom,
[data-theme="dark"] #diaryDateTo,
[data-theme="dark"] #historyDateFrom,
[data-theme="dark"] #historyDateTo {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border);
}

[data-theme="dark"] select option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* Кнопка сброса фильтров в тёмной теме */
#diaryResetFilters,
#historyResetFilters {
    background-color: var(--border);
    color: var(--text-primary);
    border: none;
}

[data-theme="dark"] #diaryResetFilters,
[data-theme="dark"] #historyResetFilters {
    background-color: #334155;
    color: #f1f5f9;
}

[data-theme="dark"] #diaryResetFilters:hover,
[data-theme="dark"] #historyResetFilters:hover {
    background-color: #475569;
}