/*
  NewsFlow - Адаптивные стили
  Mobile-first подход с тёмной темой
*/

/* ============================================================================
   Переменные и сброс стилей
   ============================================================================ */

:root {
    /* Цвета темной темы */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3a3a3a;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --border-color: #404040;

    /* Цвета акцентов */
    --color-primary: #4a9eff;
    --color-success: #4caf50;
    --color-danger: #f44336;
    --color-warning: #ff9800;
    --color-info: #2196f3;

    /* Статусы */
    --status-pending: #ff9800;
    --status-processing: #2196f3;
    --status-ready: #4caf50;
    --status-published: #9c27b0;
    --status-rejected: #f44336;

    /* Размеры */
    --max-width: 1200px;
    --border-radius: 8px;
    --spacing: 1rem;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================================================
   Навигация
   ============================================================================ */

.navbar {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-primary);
}

.nav-links {
    display: none;
    gap: 1.5rem;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link.logout {
    color: var(--color-danger);
}

.menu-toggle {
    display: block;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 1rem;
}

.mobile-menu.active {
    display: flex;
}

.mobile-link {
    padding: 0.75rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: background-color 0.3s;
}

.mobile-link:hover {
    background-color: var(--bg-tertiary);
}

.mobile-link.logout {
    color: var(--color-danger);
}

/* Десктопная навигация */
@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }

    .menu-toggle {
        display: none;
    }

    .mobile-menu {
        display: none !important;
    }
}

/* ============================================================================
   Контейнер
   ============================================================================ */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem;
}

@media (min-width: 768px) {
    .container {
        padding: 2rem;
    }
}

/* ============================================================================
   Страница входа
   ============================================================================ */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1rem;
}

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

.login-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input {
    padding: 0.75rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.error-message {
    background-color: rgba(244, 67, 54, 0.1);
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
    padding: 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ============================================================================
   Dashboard
   ============================================================================ */

.dashboard h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: transform 0.2s, border-color 0.2s;
}

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

.stat-icon {
    font-size: 2.5rem;
}

.stat-info h2 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.stat-pending .stat-icon { filter: grayscale(0) hue-rotate(30deg); }
.stat-processing .stat-icon { filter: grayscale(0) hue-rotate(200deg); }
.stat-ready .stat-icon { filter: grayscale(0) hue-rotate(100deg); }
.stat-scheduled .stat-icon { filter: grayscale(0) hue-rotate(45deg); }
.stat-published .stat-icon { filter: grayscale(0) hue-rotate(270deg); }

.quick-actions {
    margin-top: 3rem;
}

.quick-actions h2 {
    margin-bottom: 1rem;
}

.actions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 640px) {
    .actions-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.action-btn {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: transform 0.2s, border-color 0.2s;
}

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

.action-icon {
    font-size: 2rem;
}

.system-info {
    margin-top: 3rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
}

.system-info h3 {
    margin-bottom: 1rem;
}

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

.system-info li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.system-info li:before {
    content: "→ ";
    color: var(--color-primary);
    margin-right: 0.5rem;
}

/* ============================================================================
   Список статей
   ============================================================================ */

.article-list-page h1 {
    margin-bottom: 2rem;
}

.articles-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .articles-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.article-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    text-decoration: none;
    color: var(--text-primary);
    transition: transform 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
}

.article-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-content {
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-content h3 {
    margin-bottom: 1rem;
    line-height: 1.3;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.article-status {
    margin-top: auto;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-pending { background-color: rgba(255, 152, 0, 0.1); color: var(--status-pending); }
.status-processing { background-color: rgba(33, 150, 243, 0.1); color: var(--status-processing); }
.status-ready { background-color: rgba(76, 175, 80, 0.1); color: var(--status-ready); }
.status-published { background-color: rgba(156, 39, 176, 0.1); color: var(--status-published); }
.status-rejected { background-color: rgba(244, 67, 54, 0.1); color: var(--status-rejected); }

.empty-state {
    text-align: center;
    padding: 4rem 1rem;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ============================================================================
   Детали статьи
   ============================================================================ */

.article-detail {
    max-width: 1400px;
    margin: 0 auto;
}

.article-header {
    margin-bottom: 2rem;
}

.article-header h1 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.article-status-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 1rem;
}

.article-image-full {
    margin-bottom: 2rem;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.article-image-full img {
    width: 100%;
    height: auto;
    display: block;
}

.article-comparison {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (min-width: 1024px) {
    .article-comparison {
        grid-template-columns: 1fr 1fr;
    }
}

.text-column {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
}

.text-column h2 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.text-content {
    color: var(--text-secondary);
    white-space: pre-wrap;
    line-height: 1.8;
}

.text-content.empty {
    text-align: center;
    padding: 2rem;
}

.hint {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 1rem;
}

.text-editor {
    width: 100%;
    padding: 1rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.8;
    resize: vertical;
    margin-bottom: 1rem;
}

.text-editor:focus {
    outline: none;
    border-color: var(--color-primary);
}

.edit-form {
    display: flex;
    flex-direction: column;
}

/* ============================================================================
   Кнопки
   ============================================================================ */

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    opacity: 0.9;
}

.btn:active {
    transform: scale(0.98);
}

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

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

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

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-full {
    width: 100%;
}

.article-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.published-info,
.rejected-info,
.processing-info {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    width: 100%;
}