/* ==========================================================================
   CHOPENCLAW AI - Divergent Design
   Terminal/Console aesthetic: pure black, mono typography,
   lime green accent, minimalist bordered cards
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
    /* Palette - Pure black with terminal green accent */
    --bg-primary: #000000;
    --bg-secondary: #050505;
    --bg-card: #0a0a0a;
    --bg-card-hover: #111111;
    --bg-elevated: #0f0f0f;

    /* Accent - Terminal lime green */
    --accent-primary: #00ff66;
    --accent-secondary: #00cc52;
    --accent-muted: rgba(0, 255, 102, 0.08);
    --accent-glow: rgba(0, 255, 102, 0.03);

    /* Text hierarchy - Monochrome with green tint */
    --text-primary: #e0e0e0;
    --text-secondary: #888888;
    --text-muted: #444444;
    --text-accent: #00ff66;

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.04);
    --border-medium: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(0, 255, 102, 0.2);
    --divider: rgba(255, 255, 255, 0.03);

    /* Shadows - Minimal glow effects */
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.6);
    --shadow-card-hover: 0 4px 20px rgba(0, 0, 0, 0.7), 0 0 30px rgba(0, 255, 102, 0.05);
    --shadow-glow: 0 0 40px rgba(0, 255, 102, 0.03);
    --shadow-terminal: inset 0 0 60px rgba(0, 255, 102, 0.02);

    /* Typography - Monospace dominant */
    --font-display: 'JetBrains Mono', 'IBM Plex Mono', monospace;
    --font-body: 'JetBrains Mono', 'IBM Plex Mono', monospace;
    --font-ui: 'JetBrains Mono', 'IBM Plex Mono', monospace;
    --font-mono: 'JetBrains Mono', 'IBM Plex Mono', monospace;

    /* Spacing - Tight, efficient */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;

    /* Radii - Minimal, angular */
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 6px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --duration-fast: 0.15s;
    --duration-normal: 0.25s;
    --duration-slow: 0.4s;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* --------------------------------------------------------------------------
   Scanlines Overlay
   -------------------------------------------------------------------------- */
.scanlines {
    position: fixed;
    inset: 0;
    z-index: 1000;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
    opacity: 0.4;
}

/* --------------------------------------------------------------------------
   Site Header
   -------------------------------------------------------------------------- */
.site-header {
    position: relative;
    z-index: 100;
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(0, 0, 0, 0.98);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    align-items: center;
}

.logo-canvas {
    display: block;
    cursor: default;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.header-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 400;
    color: var(--text-muted);
    padding: 4px 12px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   Hero Section - Terminal Style
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    z-index: 1;
    padding: var(--space-3xl) 0 var(--space-2xl);
    border-bottom: 1px solid var(--border-subtle);
}

.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.terminal-window {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    max-width: 800px;
    box-shadow: var(--shadow-terminal);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(255, 255, 255, 0.01);
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-dot.error { background: #ff5f57; }
.terminal-dot.warning { background: #ffbd2e; }
.terminal-dot.success { background: #28ca42; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    margin-left: auto;
}

.terminal-body {
    padding: var(--space-xl);
}

.terminal-line {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    margin-bottom: var(--space-xs);
}

.prompt {
    color: var(--accent-primary);
    font-weight: 600;
}

.command {
    color: var(--text-secondary);
}

.terminal-output {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-lg);
    border-left: 1px solid var(--border-subtle);
}

.output-line {
    color: var(--text-primary);
    font-size: 13px;
    margin-bottom: var(--space-xs);
}

.output-line.muted {
    color: var(--text-muted);
    font-size: 12px;
}

.output-line.lead {
    color: var(--text-primary);
}

.hero-headline {
    font-family: var(--font-display);
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin: var(--space-md) 0;
}

.hero-headline .highlight {
    color: var(--accent-primary);
    text-shadow: 0 0 20px rgba(0, 255, 102, 0.3);
}

.hero-deck {
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 480px;
}

.stats-output {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

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

.stat-value {
    color: var(--accent-primary);
    font-weight: 600;
}

.stat-sep {
    color: var(--border-medium);
}

.terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 14px;
    background: var(--accent-primary);
    animation: blink 1s infinite;
    vertical-align: middle;
    margin-left: var(--space-lg);
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* --------------------------------------------------------------------------
   Content Section
   -------------------------------------------------------------------------- */
.content {
    position: relative;
    z-index: 1;
    padding: var(--space-2xl) 0 var(--space-3xl);
}

.content-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
}

.content-title-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.section-prefix {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent-primary);
}

.content-title {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

.source-filters {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.filter-label {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    margin-right: var(--space-xs);
}

.source-filter {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 400;
    padding: 4px 10px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.source-filter:hover {
    border-color: var(--border-medium);
    color: var(--text-secondary);
}

.source-filter.active {
    background: var(--accent-muted);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* --------------------------------------------------------------------------
   Articles Grid
   -------------------------------------------------------------------------- */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-md);
}

/* --------------------------------------------------------------------------
   Article Card - Terminal Style
   -------------------------------------------------------------------------- */
.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition:
        transform var(--duration-normal) var(--ease-out),
        box-shadow var(--duration-normal) var(--ease-out),
        border-color var(--duration-normal) var(--ease-out);
    opacity: 0;
    transform: translateY(12px);
    animation: cardReveal 0.4s var(--ease-out) forwards;
}

.article-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--border-accent);
}

@keyframes cardReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.article-image {
    position: relative;
    width: 100%;
    height: 160px;
    overflow: hidden;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(30%) contrast(1.1);
    transition: filter var(--duration-slow) var(--ease-out);
}

.article-card:hover .article-image img {
    filter: grayscale(0%) contrast(1);
}

.article-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.6) 0%,
        transparent 60%
    );
    pointer-events: none;
}

.article-source {
    position: absolute;
    top: 8px;
    left: 8px;
    font-family: var(--font-mono);
    font-size: 8px;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 3px 8px;
    background: rgba(0, 0, 0, 0.9);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--accent-primary);
}

.article-content {
    padding: var(--space-md);
}

.article-title {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 500;
    line-height: 1.5;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--duration-fast) var(--ease-out);
}

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

.article-summary {
    font-size: 11px;
    line-height: 1.6;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--space-md);
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-subtle);
}

.article-date {
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

.article-link {
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--accent-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: opacity var(--duration-fast) var(--ease-out);
}

.article-link:hover {
    opacity: 0.7;
}

.article-link svg {
    width: 12px;
    height: 12px;
}

/* --------------------------------------------------------------------------
   Loading State
   -------------------------------------------------------------------------- */
.loading-state {
    text-align: center;
    padding: var(--space-2xl);
}

.loading-text {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent-primary);
    margin-bottom: var(--space-md);
}

.loading-prefix, .loading-suffix {
    color: var(--text-muted);
}

.loading-dots {
    animation: loadingDots 1.5s infinite;
}

@keyframes loadingDots {
    0%, 20% { content: 'loading'; }
    40% { content: 'loading.'; }
    60% { content: 'loading..'; }
    80%, 100% { content: 'loading...'; }
}

.loading-message {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.pagination-wrap {
    display: flex;
    justify-content: center;
    margin-top: var(--space-2xl);
}

.btn-pagination {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    padding: var(--space-sm) var(--space-lg);
    background: transparent;
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-md);
    color: var(--accent-primary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.btn-pagination:hover {
    background: var(--accent-muted);
    box-shadow: 0 0 20px rgba(0, 255, 102, 0.1);
}

.btn-prefix {
    opacity: 0.6;
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about-section {
    position: relative;
    z-index: 1;
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
}

.about-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 200px;
    gap: var(--space-2xl);
}

.about-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.about-prefix {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent-primary);
}

.about-heading {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.about-terminal {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.about-terminal .terminal-line {
    margin-top: var(--space-md);
}

.about-terminal .terminal-line:first-child {
    margin-top: 0;
}

.about-terminal .output-line {
    padding-left: var(--space-lg);
    margin-top: var(--space-sm);
}

.about-body {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.about-column-sources {
    padding-top: var(--space-xl);
}

.sources-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.sources-prefix {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--accent-primary);
}

.sources-label {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.sources-list {
    list-style: none;
}

.sources-list li {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.list-marker {
    color: var(--accent-primary);
    opacity: 0.6;
}

/* --------------------------------------------------------------------------
   Site Footer
   -------------------------------------------------------------------------- */
.site-footer {
    position: relative;
    z-index: 1;
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-primary);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

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

.footer-logo {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.05em;
}

.footer-sep {
    color: var(--accent-primary);
    opacity: 0.5;
}

.footer-tagline {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
}

.footer-meta {
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    :root {
        --space-xl: 24px;
        --space-2xl: 32px;
        --space-3xl: 48px;
    }

    .header-inner {
        padding: 0 var(--space-md);
    }

    .hero-inner {
        padding: 0 var(--space-md);
    }

    .terminal-body {
        padding: var(--space-md);
    }

    .terminal-output {
        padding-left: var(--space-md);
    }

    .content-inner {
        padding: 0 var(--space-md);
    }

    .about-inner {
        padding: 0 var(--space-md);
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .about-column-sources {
        padding-top: 0;
    }

    .footer-inner {
        padding: 0 var(--space-md);
        flex-direction: column;
        align-items: flex-start;
    }

    .content-header {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .stats-output {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .stat-sep {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-headline {
        font-size: 1.75rem;
    }

    .terminal-window {
        max-width: 100%;
    }
}