/* ============================================================================
   CNY Community News - Main Styles
   ============================================================================ */

:root {
    --primary-color: #0d63c3;
    --primary-dark: #0a4a94;
    --primary-light: #4d8ddb;
    --accent-color: #f97316;
    --accent-light: #fb923c;
    --background: #ffffff;
    --surface: #f9fafb;
    --surface-alt: #f3f4f6;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --border-color: #e5e7eb;
    --border-color-light: #f3f4f6;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================================
   Reset & Base
   ============================================================================ */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    color: var(--text-primary);
    background-color: var(--background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   Layout
   ============================================================================ */

#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    flex: 1;
}

main {
    padding: 40px 0;
}

/* Ensure main content grows with children */
#main-content {
    display: block;
    width: 100%;
    min-height: 200px;
}

/* ============================================================================
   Navigation
   ============================================================================ */

.navbar {
    background: var(--background);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 18px;
}

.logo-img {
    height: auto;
    max-width: 100%;
    max-height: 50px;
}

.logo-text {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
    padding-bottom: 5px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* ============================================================================
   Hero Section
   ============================================================================ */

.hero {
    background: var(--background);
    color: var(--text-primary);
    padding: 0;
    text-align: center;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.hero-compact {
    padding: 0;
}

.hero-logo {
    display: block;
    width: auto;
    margin: 0 auto;
}

/* ============================================================================
   Breadcrumb
   ============================================================================ */

.breadcrumb {
    background: var(--surface);
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 40px;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* ============================================================================
   Loading & Error States
   ============================================================================ */

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    text-align: center;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading p,
.error p {
    color: var(--text-secondary);
    font-size: 16px;
}

.error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    padding: 24px;
    text-align: center;
    margin: 40px 0;
}

.error p {
    color: #dc2626;
    margin-bottom: 16px;
}

/* ============================================================================
   Buttons
   ============================================================================ */

button,
.btn-retry,
.btn-back,
.btn-link {
    font-family: inherit;
    font-size: 16px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

button,
.btn-retry {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
}

button:hover,
.btn-retry:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-back {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-back:hover {
    color: var(--primary-dark);
}

/* ============================================================================
   Articles Grid
   ============================================================================ */

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
    grid-auto-rows: minmax(200px, auto);
}

@media (max-width: 1024px) {
    .articles-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 640px) {
    .articles-grid {
        grid-template-columns: 1fr;
    }
}

.article-card {
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

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

.article-image {
    width: 100%;
    object-fit: cover;
    background: var(--surface);
    display: block;
    flex-shrink: 0;
}

.article-image.placeholder {
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-alt) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: 48px;
}

.article-card-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.article-card-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.article-tag {
    background: var(--primary-light);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.article-card-title {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.article-card:hover .article-card-title {
    color: var(--primary-color);
}

.article-card-excerpt {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 12px;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid var(--border-color-light);
    font-size: 12px;
    color: var(--text-tertiary);
}

.article-card-date {
    font-weight: 500;
}

/* ============================================================================
   Article Detail
   ============================================================================ */

.article-detail {
    max-width: 800px;
    margin: 0 auto;
}

.article-header {
    margin-bottom: 40px;
}

.article-title {
    font-size: 42px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-primary);
}

@media (max-width: 640px) {
    .article-title {
        font-size: 28px;
    }
}

.article-meta {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    color: var(--text-secondary);
    font-size: 14px;
}

.article-date,
.article-author,
.article-views {
    display: flex;
    align-items: center;
    gap: 6px;
}

.featured-image-container {
    margin: 40px 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.featured-image {
    width: 100%;
    height: auto;
    display: block;
}

.image-caption {
    background: var(--surface);
    padding: 12px 16px;
    font-size: 13px;
    color: var(--text-secondary);
    font-style: italic;
}

.article-body {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 40px;
}

.article-body h2 {
    font-size: 28px;
    margin: 32px 0 16px 0;
    color: var(--text-primary);
}

.article-body h3 {
    font-size: 22px;
    margin: 24px 0 12px 0;
    color: var(--text-primary);
}

.article-body p {
    margin-bottom: 16px;
}

.article-body ul,
.article-body ol {
    margin-left: 20px;
    margin-bottom: 16px;
}

.article-body li {
    margin-bottom: 8px;
}

.article-body a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.article-body a:hover {
    border-bottom-color: var(--primary-color);
}

.article-body blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 20px;
    margin: 24px 0;
    font-style: italic;
    color: var(--text-secondary);
}

/* ============================================================================
   Tags
   ============================================================================ */

.tags-container {
    margin: 40px 0;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.article-tags {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.tag {
    background: var(--surface);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
}

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

/* ============================================================================
   Gallery
   ============================================================================ */

.gallery-container {
    margin: 40px 0;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.gallery-container h3,
.calls-container h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.gallery-item {
    aspect-ratio: 1 / 1;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* ============================================================================
   Calls/Incidents
   ============================================================================ */

.calls-container {
    margin: 40px 0;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.calls-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.call-item {
    background: var(--surface);
    border-left: 4px solid var(--primary-color);
    padding: 16px;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
}

.call-item:hover {
    background: var(--surface-alt);
    transform: translateX(4px);
}

.call-item-title {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.call-item-meta {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ============================================================================
   Article Footer
   ============================================================================ */

.article-footer {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--surface);
    border-radius: 8px;
    transition: var(--transition);
}

.btn-back:hover {
    background: var(--surface-alt);
}

/* ============================================================================
   No Articles
   ============================================================================ */

.no-articles {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-secondary);
}

.no-articles p {
    font-size: 18px;
}

/* ============================================================================
   Pagination
   ============================================================================ */

.pagination {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.pagination-btn {
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    background: var(--background);
    color: var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    font-weight: 600;
}

.pagination-btn:hover:not(.disabled) {
    background: var(--surface);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.pagination-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================================================
   Footer
   ============================================================================ */

.footer {
    background: var(--surface);
    border-top: 1px solid var(--border-color);
    padding: 40px 20px;
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-content p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.footer-content a {
    color: var(--primary-color);
    text-decoration: none;
}

.footer-content a:hover {
    text-decoration: underline;
}

/* ============================================================================
   Calendar Styles
   ============================================================================ */

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    gap: 20px;
}

.calendar-nav-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.calendar-nav-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.calendar-container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 30px;
    margin-bottom: 40px;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    background: var(--border-color);
    padding: 2px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.calendar-weekday {
    background: var(--primary-color);
    color: white;
    padding: 12px 8px;
    text-align: center;
    font-weight: 600;
    font-size: 14px;
}

.calendar-day {
    background: var(--background);
    padding: 12px 8px;
    text-align: center;
    font-size: 14px;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    border: 1px solid var(--border-color-light);
}

.calendar-day.other-month {
    background: var(--surface-alt);
    color: var(--text-tertiary);
}

.calendar-day.today {
    background: rgba(79, 70, 229, 0.1);
    border: 2px solid var(--primary-color);
    font-weight: 600;
}

.calendar-day.has-events {
    background: rgba(249, 115, 22, 0.05);
}

.calendar-day:hover {
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.day-number {
    font-weight: 600;
    margin-bottom: 4px;
}

.event-indicator {
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

.calendar-sidebar {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    max-height: 500px;
    overflow-y: auto;
}

.calendar-sidebar h3 {
    margin-bottom: 15px;
    color: var(--text-primary);
    font-size: 18px;
}

.calendar-events-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.date-header {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.calendar-event {
    display: flex;
    gap: 12px;
    padding: 12px;
    background: white;
    border-radius: 6px;
    border-left: 4px solid var(--accent-color);
}

.event-type {
    font-size: 11px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
    color: white;
    text-transform: uppercase;
    white-space: nowrap;
    align-self: flex-start;
}

.event-details {
    flex: 1;
}

.event-title {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.event-time,
.event-location {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.no-events {
    color: var(--text-tertiary);
    font-style: italic;
    font-size: 14px;
    padding: 20px 0;
    text-align: center;
}

.calendar-all-events {
    margin-top: 40px;
}

.calendar-all-events h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
}

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

.event-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 20px;
    padding: 15px;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: var(--transition);
}

.event-item:hover {
    background: white;
    box-shadow: var(--shadow-md);
}

.event-date {
    font-weight: 600;
    color: var(--accent-color);
    font-size: 14px;
}

.event-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.event-content .event-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 15px;
}

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

/* ============================================================================
   Responsive Design
   ============================================================================ */

@media (max-width: 768px) {
    .nav-container {
        height: 60px;
    }

    .nav-links {
        gap: 20px;
    }

    .logo-text {
        display: none;
    }

    .hero {
        padding: 50px 20px;
        margin-bottom: 30px;
    }

    .container {
        padding: 0 16px;
    }

    main {
        padding: 24px 0;
    }

    .articles-grid {
        gap: 16px;
    }

    .article-card-title {
        font-size: 16px;
    }

    .article-detail {
        padding: 0 16px;
    }

    .calendar-container {
        grid-template-columns: 1fr;
    }

    .calendar-sidebar {
        max-height: none;
        order: 2;
    }

    .calendar-grid {
        order: 1;
    }
}

@media (max-width: 480px) {
    .nav-links {
        gap: 12px;
        font-size: 14px;
    }

    .hero-content h1 {
        font-size: 24px;
        margin-bottom: 12px;
    }

    .hero-content p {
        font-size: 14px;
    }

    .article-meta {
        gap: 16px;
    }

    .article-body {
        font-size: 15px;
    }

    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .calendar-header {
        flex-direction: column;
        gap: 10px;
    }

    .calendar-nav-btn {
        width: 100%;
    }

    .calendar-day {
        min-height: 60px;
        padding: 8px 4px;
        font-size: 12px;
    }

    .day-number {
        font-size: 12px;
    }

    .event-indicator {
        width: 16px;
        height: 16px;
        font-size: 10px;
    }

    .calendar-sidebar {
        padding: 15px;
    }

    .event-item {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .event-date {
        font-size: 12px;
    }
}