/* ========================================
   SENTIMENT MONITOR - Editorial Newsroom Style
   Authority. Clarity. Urgency.
   ======================================== */

/* CSS Variables - Editorial Color Palette */
:root {
    /* Core Colors - Newspaper Aesthetic */
    --paper: #FDFCF8;
    --paper-warm: #F5F3EE;
    --ink: #1a1a1a;
    --ink-light: #4a4a4a;
    --ink-muted: #8a8a8a;

    /* Accent - Deep Editorial Red */
    --accent: #c41e3a;
    --accent-dark: #9a1830;
    --accent-light: #e85d72;

    /* Status Colors */
    --critical: #c41e3a;
    --warning: #d4a017;
    --stable: #2d5a4a;
    --info: #1e3a5f;

    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Crimson Text', Georgia, serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;

    /* Borders */
    --border-thin: 1px solid var(--ink);
    --border-medium: 2px solid var(--ink);
    --border-thick: 4px solid var(--ink);
    --border-accent: 1px solid var(--accent);

    /* Shadows */
    --shadow-paper: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-lift: 0 4px 12px rgba(0,0,0,0.12);
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--ink);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   MASTHEAD - Newspaper Header
   ======================================== */
.masthead {
    background: var(--paper);
    border-bottom: var(--border-medium);
    padding: var(--space-md) 0 0;
}

.masthead-top {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-muted);
    margin-bottom: var(--space-md);
}

.edition-info {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.live-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--accent);
    font-weight: 600;
}

.live-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse-live 2s ease-in-out infinite;
}

@keyframes pulse-live {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.9); }
}

.weather-ticker {
    display: flex;
    gap: var(--space-sm);
}

.ticker-label {
    color: var(--ink-muted);
}

.ticker-value {
    color: var(--ink);
    font-weight: 500;
}

/* Masthead Main */
.masthead-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-lg) var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-top: var(--border-thin);
    border-bottom: var(--border-thick);
}

.logo-section {
    text-align: left;
}

.publication-title {
    font-family: var(--font-display);
    line-height: 0.9;
    margin-bottom: var(--space-xs);
}

.title-main {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--ink);
}

.title-sub {
    display: block;
    font-size: 2rem;
    font-weight: 400;
    letter-spacing: 0.3em;
    color: var(--ink-muted);
    margin-top: 0.25rem;
}

.tagline {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--ink-muted);
    font-style: italic;
}

.masthead-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-sm);
}

.refresh-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: var(--ink);
    color: var(--paper);
    border: none;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.refresh-btn.loading .btn-icon {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.connection-pill {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background: var(--paper-warm);
    border: var(--border-thin);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.status-dot.connected { background: var(--stable); }
.status-dot.connecting { background: var(--warning); animation: pulse-live 1.5s infinite; }
.status-dot.error { background: var(--critical); }

/* Navigation */
.section-nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    gap: var(--space-xl);
}

.nav-item {
    position: relative;
    padding: var(--space-md) 0;
    color: var(--ink-light);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color 0.2s ease;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--ink);
    transform: scaleX(0);
    transition: transform 0.2s ease;
}

.nav-item:hover,
.nav-item.active {
    color: var(--ink);
}

.nav-item.active::after {
    transform: scaleX(1);
}

.nav-alert {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.nav-alert.high { background: var(--critical); }
.nav-alert.medium { background: var(--warning); }

/* ========================================
   MAIN CONTENT
   ======================================== */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-xl);
}

/* Breaking Banner */
.breaking-banner {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--critical);
    color: var(--paper);
    margin-bottom: var(--space-xl);
    animation: slide-down 0.3s ease;
}

@keyframes slide-down {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.breaking-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: var(--space-xs) var(--space-sm);
    background: var(--paper);
    color: var(--critical);
}

.breaking-content {
    flex: 1;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
}

.breaking-time {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    opacity: 0.8;
}

/* Key Metrics */
.key-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xxl);
    padding-bottom: var(--space-xl);
    border-bottom: var(--border-medium);
}

.metric-card {
    position: relative;
    padding: var(--space-lg);
    background: var(--paper);
    border: var(--border-thin);
    transition: all 0.2s ease;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--ink);
}

.metric-card.critical::before { background: var(--critical); }
.metric-card.warning::before { background: var(--warning); }
.metric-card.stable::before { background: var(--stable); }
.metric-card.info::before { background: var(--info); }

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lift);
}

.metric-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.metric-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-muted);
}

.metric-trend {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--ink-muted);
}

.metric-value {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    color: var(--ink);
    margin-bottom: var(--space-xs);
}

.metric-card.critical .metric-value { color: var(--critical); }
.metric-card.warning .metric-value { color: var(--warning); }

.metric-time {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    color: var(--ink);
}

.metric-context {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--ink-muted);
    font-style: italic;
}

/* Headlines Section */
.headlines-section {
    margin-bottom: var(--space-xxl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: var(--border-thick);
}

.section-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-count {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.headlines-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.headline-card {
    position: relative;
    padding: var(--space-lg);
    background: var(--paper);
    border: var(--border-thin);
    cursor: pointer;
    transition: all 0.2s ease;
}

.headline-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--ink);
    transition: width 0.2s ease;
}

.headline-card.critical::before { background: var(--critical); }
.headline-card.warning::before { background: var(--warning); }
.headline-card.stable::before { background: var(--stable); }

.headline-card:hover {
    background: var(--paper-warm);
}

.headline-card:hover::before {
    width: 6px;
}

.headline-rank {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--ink-muted);
    margin-bottom: var(--space-sm);
}

.headline-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.headline-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--ink-muted);
}

.headline-region {
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.headline-risk {
    padding: 2px 6px;
    font-weight: 600;
}

.headline-risk.critical {
    background: var(--critical);
    color: var(--paper);
}

.headline-risk.warning {
    background: var(--warning);
    color: var(--paper);
}

/* ========================================
   CONTENT LAYOUT - News Stream + Sidebar
   ======================================== */
.content-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-xxl);
}

/* News Stream */
.news-stream {
    border-top: var(--border-thick);
    padding-top: var(--space-lg);
}

.stream-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.view-controls {
    display: flex;
    gap: var(--space-xs);
}

.view-btn {
    padding: var(--space-xs) var(--space-sm);
    background: transparent;
    border: var(--border-thin);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ink-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.view-btn:hover,
.view-btn.active {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
}

/* News List */
.news-list {
    display: flex;
    flex-direction: column;
}

.news-item {
    position: relative;
    padding: var(--space-lg) 0;
    border-bottom: var(--border-thin);
    cursor: pointer;
    transition: all 0.2s ease;
}

.news-item:hover {
    padding-left: var(--space-md);
    background: var(--paper-warm);
}

.news-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: var(--ink);
    transition: width 0.2s ease;
}

.news-item.critical::before { background: var(--critical); }
.news-item.warning::before { background: var(--warning); }

.news-item:hover::before {
    width: 3px;
}

.news-header {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xs);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ink-muted);
}

.news-source {
    font-weight: 600;
    color: var(--ink);
}

.news-time::before {
    content: '•';
    margin-right: var(--space-sm);
}

.news-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--space-xs);
    color: var(--ink);
}

.news-summary {
    font-size: 0.95rem;
    color: var(--ink-light);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-footer {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.news-tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 2px 6px;
    border: var(--border-thin);
    color: var(--ink-muted);
}

.news-tag.critical {
    background: var(--critical);
    color: var(--paper);
    border-color: var(--critical);
}

.news-tag.warning {
    background: var(--warning);
    color: var(--paper);
    border-color: var(--warning);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: var(--border-thin);
}

.page-btn {
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    border: var(--border-thin);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ink);
    cursor: pointer;
    transition: all 0.2s ease;
}

.page-btn:hover:not(:disabled) {
    background: var(--ink);
    color: var(--paper);
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-info {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--ink-muted);
}

/* Expanded View */
.news-list.expanded .news-item {
    padding: var(--space-xl) 0;
}

.news-list.expanded .news-title {
    font-size: 1.5rem;
}

/* ========================================
   SIDEBAR
   ======================================== */
.sidebar {
    border-top: var(--border-thick);
    padding-top: var(--space-lg);
}

.sidebar-module {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: var(--border-thin);
}

.module-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-muted);
    margin-bottom: var(--space-md);
}

/* Risk Radar */
.radar-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.radar-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.radar-item.high .radar-dot { background: var(--critical); }
.radar-item.medium .radar-dot { background: var(--warning); }
.radar-item.low .radar-dot { background: var(--stable); }

.radar-label {
    flex: 1;
    font-size: 0.95rem;
}

.radar-value {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--ink-muted);
}

/* Source List */
.source-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    font-size: 0.9rem;
}

.source-name {
    color: var(--ink);
}

.source-status {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 2px 6px;
}

.source-status.active {
    background: var(--stable);
    color: var(--paper);
}

.source-status.standby {
    background: var(--paper-warm);
    border: var(--border-thin);
    color: var(--ink-muted);
}

/* About Module */
.about-text {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--ink-light);
    margin-bottom: var(--space-md);
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.tech-tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 4px 8px;
    background: var(--paper-warm);
    border: var(--border-thin);
    color: var(--ink-muted);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    border-top: var(--border-medium);
    margin-top: var(--space-xxl);
    padding: var(--space-xl) 0;
    background: var(--paper-warm);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.footer-copyright {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--ink-muted);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-link {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ink-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--ink);
}

/* ========================================
   MODAL
   ======================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-xl);
}

.modal-container {
    position: relative;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    background: var(--paper);
    border: var(--border-medium);
    box-shadow: var(--shadow-lift);
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: var(--border-thin);
    font-size: 1.25rem;
    color: var(--ink-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--critical);
    color: var(--paper);
    border-color: var(--critical);
}

.modal-content {
    padding: var(--space-xl);
}

/* Loading State */
.loading-state {
    text-align: center;
    padding: var(--space-xxl);
    color: var(--ink-muted);
    font-style: italic;
}

/* Notification */
.notification {
    position: fixed;
    top: var(--space-xl);
    right: var(--space-xl);
    max-width: 400px;
    padding: var(--space-md) var(--space-lg);
    background: var(--paper);
    border-left: 4px solid var(--ink);
    box-shadow: var(--shadow-lift);
    z-index: 1001;
    animation: slide-in-right 0.3s ease;
}

.notification.success { border-left-color: var(--stable); }
.notification.error { border-left-color: var(--critical); }
.notification.warning { border-left-color: var(--warning); }

@keyframes slide-in-right {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1200px) {
    .key-metrics {
        grid-template-columns: repeat(2, 1fr);
    }

    .headlines-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .content-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
    }

    .sidebar-module {
        border-bottom: none;
        border-right: var(--border-thin);
        padding-right: var(--space-lg);
    }

    .sidebar-module:last-child {
        border-right: none;
    }
}

@media (max-width: 768px) {
    .title-main {
        font-size: 2rem;
    }

    .title-sub {
        font-size: 1.25rem;
    }

    .section-nav {
        overflow-x: auto;
        gap: var(--space-md);
    }

    .key-metrics {
        grid-template-columns: 1fr;
    }

    .headlines-grid {
        grid-template-columns: 1fr;
    }

    .sidebar {
        grid-template-columns: 1fr;
    }

    .sidebar-module {
        border-right: none;
        border-bottom: var(--border-thin);
        padding-right: 0;
        padding-bottom: var(--space-lg);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}