/* ============================================
   F1 Control Center — Personal Engineering UI
   Inspired by: F1 Live Timing / Pit Wall / Telemetry Dashboard
   ============================================ */

/* ---------- Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

/* ---------- CSS Variables ---------- */
:root {
    /* Backgrounds */
    --bg-primary: #050505;
    --bg-secondary: #050505;
    --bg-card: #0A0A0A;
    --bg-elevated: #0F0F0F;
    --bg-hover: #141414;

    /* Red — F1 */
    --red: #E10600;
    --red-hover: #FF3131;
    --red-light: rgba(225, 6, 0, 0.12);
    --red-glow: rgba(225, 6, 0, 0.25);

    /* Text */
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0A0;
    --text-muted: #5A5F72;
    --text-dim: #3A3F52;

    /* Borders */
    --border: #1A1A1A;
    --border-light: #222222;

    /* Status */
    --green: #00D26A;
    --green-light: rgba(0, 210, 106, 0.12);
    --yellow: #FFB800;
    --yellow-light: rgba(255, 184, 0, 0.12);

    /* Layout */
    --sidebar-width: 240px;
    --content-max-width: 1600px;

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

    /* Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 10px;

    /* Transitions */
    --transition: all 0.2s ease;
    --transition-slow: all 0.3s ease;
}

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

/* ==========================================
   SPLASH SCREEN — Engine Start
   ========================================== */
.splash-screen {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    bottom: 0;
    background: #000;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.splash-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.splash-content {
    display: flex;
    align-items: center;
    gap: 120px;
}

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

.splash-status-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(0.85rem, 1.2vw, 1rem);
    color: var(--text-muted);
    letter-spacing: 2px;
}

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

.splash-dot-red {
    background: var(--red);
    box-shadow: 0 0 8px var(--red);
}

.splash-dot-green {
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
    animation: pulse 2s ease-in-out infinite;
}

.splash-status-icon {
    font-size: 0.85rem;
}

.splash-status-value {
    color: var(--text-dim);
    margin-left: var(--space-xs);
}

.splash-status-value.online {
    color: var(--green);
}

.splash-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.splash-logo {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: 8px;
}

.splash-subtitle {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(1rem, 2vw, 1.4rem);
    color: var(--text-muted);
    letter-spacing: 6px;
}

.splash-ready {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(0.85rem, 1.5vw, 1.1rem);
    color: var(--green);
    letter-spacing: 3px;
    animation: pulse 2s ease-in-out infinite;
}

.splash-start {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 14px 36px;
    background: transparent;
    border: 2px solid var(--red);
    color: var(--red);
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    font-weight: 700;
    letter-spacing: 3px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: var(--space-md);
}

.splash-start:hover {
    background: var(--red);
    color: #fff;
    box-shadow: 0 0 30px rgba(225, 6, 0, 0.4);
}

.splash-start:active {
    transform: scale(0.96);
}

.splash-start-icon {
    font-size: 1.1rem;
}

/* Body locked during splash — only lock main content */
body.splash-active .main-wrapper {
    overflow: hidden;
}
}

html {
    scroll-behavior: smooth;
    font-size: 17px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--red);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ==========================================
   LAYOUT: Sidebar + Main
   ========================================== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ==========================================
   SIDEBAR — F1 Live Timing Style
   ========================================== */
.sidebar {
    width: var(--sidebar-width);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow: hidden;
}

/* Sidebar Header */
.sidebar-header {
    padding: var(--space-xl) var(--space-lg);
    border-bottom: 1px solid var(--border);
}

.sidebar-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    display: block;
}

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

.sidebar-status {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--red);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-top: var(--space-sm);
}

.sidebar-status .dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--red);
    margin-right: 6px;
}

.sidebar-status .dot-green {
    background: var(--green);
    animation: pulse 2s ease-in-out infinite;
}

/* Audio status in sidebar */
.sidebar-audio {
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    margin-top: var(--space-xs);
}

.sidebar-audio .dot-red {
    background: var(--red);
}

.sidebar-audio .dot-green {
    background: var(--green);
    animation: pulse 2s ease-in-out infinite;
}

.sidebar-audio-value {
    margin-left: var(--space-xs);
    color: var(--text-dim);
}

.sidebar-audio-value.online {
    color: var(--green);
}

/* Sidebar collapsed state — before engine start */
.sidebar.collapsed .sidebar-scroll {
    display: none;
}

.sidebar.collapsed .sidebar-session {
    display: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Sidebar Logo Area */
.sidebar-logo-area {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

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

.f1-logo {
    height: 24px;
    width: auto;
}

/* Sidebar Session Info */
.sidebar-session {
    padding: var(--space-sm) var(--space-lg);
    border-bottom: 1px solid var(--border);
}

.session-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    letter-spacing: 1px;
    margin-bottom: var(--space-xs);
}

.session-best {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: 2px;
}

.session-best-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.session-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--red);
    animation: pulse 2s ease-in-out infinite;
}

.session-time {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(1.1rem, 1.5vw, 1.5rem);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 1px;
    margin-bottom: var(--space-xs);
}

.session-track {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.track-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}

.track-name {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Sidebar Menu Header */
.sidebar-menu-header {
    display: flex;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    letter-spacing: 1.5px;
    border-bottom: 1px solid var(--border);
}

/* Nav Icon */
.nav-icon {
    display: flex;
    align-items: center;
    color: var(--text-dim);
}

.nav-item.active .nav-icon {
    color: var(--red);
}

.nav-item:hover .nav-icon {
    color: var(--text-secondary);
}

/* Sidebar Gap Standings */
.sidebar-gap {
    padding: var(--space-sm) 0;
    border-top: 1px solid var(--border);
    overflow-y: hidden;
}

.gap-header {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
    padding: 0 var(--space-lg);
}

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

.gap-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px var(--space-lg);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    color: var(--text-secondary);
}

.gap-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.gap-item.leader .gap-name {
    color: var(--text-primary);
    font-weight: 700;
}

.gap-item.leader .gap-time {
    color: var(--text-dim);
}

.gap-name {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    margin-right: var(--space-sm);
}

.gap-time {
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
    font-size: 0.85rem;
}

/* Sidebar Weather */
.sidebar-weather {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border);
}

.weather-header {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
}

.weather-main {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

/* Sidebar Pit Wall — fixed at bottom */
.sidebar-pit-wall {
    padding: var(--space-sm) var(--space-lg);
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.pit-wall-header {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--red);
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
}

.sidebar-pit-wall .pit-wall-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.sidebar-pit-wall .pit-wall-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 4px 0;
    transition: var(--transition);
}

.sidebar-pit-wall .pit-wall-link:hover {
    color: var(--red);
}

.sidebar-pit-wall .pit-wall-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    flex-shrink: 0;
}

.weather-icon {
    font-size: 1.2rem;
}

.weather-temp {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.weather-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.weather-details {
    display: flex;
    gap: var(--space-lg);
}

.weather-detail {
    display: flex;
    flex-direction: column;
}

.weather-detail-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.weather-detail-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}

/* Sidebar Scrollable Area */
.sidebar-scroll {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 0;
}

.sidebar-scroll::-webkit-scrollbar {
    width: 3px;
}

.sidebar-scroll::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 2px;
}

/* Sidebar Navigation */
.sidebar-nav {
    padding: var(--space-sm) 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 10px var(--space-lg);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    cursor: pointer;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: transparent;
    transition: var(--transition);
}

.nav-item:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.nav-item.active {
    color: var(--text-primary);
    background: var(--red-light);
}

.nav-item.active::before {
    background: var(--red);
}

.nav-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    min-width: 22px;
    font-weight: 600;
}

.nav-item.active .nav-number {
    color: var(--red);
}

.nav-label {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.nav-item.active .nav-label {
    color: var(--text-primary);
}

/* Sidebar Footer — Data Panel */
.sidebar-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--border);
}

.sidebar-data {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.data-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
}

.data-label {
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.data-value {
    color: var(--text-primary);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

/* ==========================================
   MAIN CONTENT
   ========================================== */
.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.main-content {
    padding: var(--space-2xl) var(--space-2xl) var(--space-3xl);
    max-width: var(--content-max-width);
    margin: 0 auto;
}

/* ==========================================
   READING PROGRESS — Track Style
   ========================================== */
.reading-progress {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: 4px;
    background: var(--bg-secondary);
    z-index: 1000;
}

.reading-progress-bar {
    height: 100%;
    background: var(--red);
    width: 0%;
    transition: width 0.1s linear;
    box-shadow: 0 0 10px var(--red-glow), 0 0 5px var(--red);
}

/* ==========================================
   SESSION STATUS COMPONENT
   ========================================== */
.session-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-xl);
}

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

.session-status .status-label {
    color: var(--green);
    font-weight: 600;
}

/* Mini waveform */
.waveform {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: var(--space-sm);
}

.waveform span {
    display: block;
    width: 2px;
    height: 12px;
    background: var(--red);
    border-radius: 1px;
    animation: wave 1.2s ease-in-out infinite;
}

.waveform span:nth-child(1) { animation-delay: 0s; }
.waveform span:nth-child(2) { animation-delay: 0.1s; }
.waveform span:nth-child(3) { animation-delay: 0.2s; }
.waveform span:nth-child(4) { animation-delay: 0.3s; }
.waveform span:nth-child(5) { animation-delay: 0.4s; }

@keyframes wave {
    0%, 100% { height: 4px; opacity: 0.4; }
    50% { height: 14px; opacity: 1; }
}

/* ==========================================
   TRACK PROGRESS BAR
   ========================================== */
.track-progress {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

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

.track-progress-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.track-progress-right {
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
}

.lap-info {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.lap-percent {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.track-map {
    position: relative;
}

.track-svg {
    width: 100%;
    height: 80px;
}

.track-sectors {
    display: flex;
    justify-content: space-around;
    margin-top: var(--space-sm);
}

.sector {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    font-weight: 600;
}

.sector.active {
    color: var(--red);
}

.sector-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    letter-spacing: 0.5px;
}

/* ==========================================
   HERO — Carousel
   ========================================== */
.hero-carousel {
    position: relative;
    margin-top: calc(var(--space-2xl) * -1);
    margin-left: calc(var(--space-2xl) * -1);
    margin-right: calc(var(--space-2xl) * -1);
    margin-bottom: var(--space-3xl);
    overflow: hidden;
    border: none;
    border-bottom: 1px solid var(--border);
}

.hero-slides {
    position: relative;
    height: clamp(300px, 50vh, 500px);
}

.hero-slide {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: 45% 55%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-slide-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-2xl);
    background: var(--bg-primary);
}

.hero-slide-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--red);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
}

.hero-slide-title {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -1px;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.hero-slide-desc {
    font-size: clamp(0.8rem, 1vw, 1rem);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
    max-width: 90%;
}

.hero-slide-tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
    margin-bottom: var(--space-xl);
}

.hero-slide-action {
    display: flex;
    gap: var(--space-md);
}

.hero-slide-visual {
    position: relative;
    overflow: hidden;
    background: var(--bg-card);
}

.hero-slide-visual img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    font-size: 0; /* hide alt text when image fails to load */
}

.hero-slide-visual-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, var(--bg-primary) 0%, transparent 40%);
    pointer-events: none;
}

/* Carousel Controls */
.hero-controls {
    position: absolute;
    bottom: var(--space-xl);
    right: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    z-index: 10;
}

.hero-dots {
    display: flex;
    gap: var(--space-sm);
}

.hero-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-light);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    padding: 0;
}

.hero-dot.active {
    background: var(--red);
    width: 24px;
    border-radius: 4px;
}

.hero-arrow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.1rem;
}

.hero-arrow:hover {
    border-color: var(--red);
    color: var(--red);
}

/* Session Status in Hero */
.session-status-hero {
    position: absolute;
    bottom: var(--space-xl);
    left: var(--space-xl);
    background: rgba(10, 13, 20, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    z-index: 10;
}

.session-status-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
}

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

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

.session-status-row .status-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--green);
    font-weight: 600;
    letter-spacing: 1px;
}

/* Legacy hero (unused) */
.hero {
    display: grid;
    grid-template-columns: 45% 55%;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
    min-height: 400px;
}

.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    min-height: 400px;
}

.hero-visual-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, var(--bg-primary) 0%, transparent 30%);
    pointer-events: none;
}

/* Session Status in Hero */
.session-status-hero {
    position: absolute;
    bottom: var(--space-xl);
    right: var(--space-xl);
    background: rgba(10, 13, 20, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    z-index: 2;
}

.session-status-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
}

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

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

.session-status-row .status-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--green);
    font-weight: 600;
    letter-spacing: 1px;
}

/* Section Mark */
.section-mark {
    color: var(--red);
    margin-right: var(--space-sm);
    font-weight: 700;
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.8rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: 'Inter', sans-serif;
}

.btn:hover {
    transform: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--red-hover);
    color: white;
    box-shadow: 0 0 20px var(--red-glow);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
}

.btn-outline:hover {
    border-color: var(--red);
    color: var(--red);
    background: var(--red-light);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px 14px;
    border: none;
}

.btn-ghost:hover {
    color: var(--red);
    background: var(--red-light);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 0.85rem;
}

/* ==========================================
   SECTION HEADERS
   ========================================== */
.section {
    margin-bottom: var(--space-3xl);
}

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

.section-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(0.7rem, 1vw, 0.9rem);
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-link {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-link:hover {
    color: var(--red);
}

/* ==========================================
   ARTICLE CARDS
   ========================================== */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
}

/* 卡片链接样式重置 */
.post-card-link,
.project-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
    cursor: pointer;
}

.post-card-link:hover,
.project-card-link:hover {
    text-decoration: none;
    color: inherit;
}

.post-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.post-image {
    aspect-ratio: 2.5 / 1;
    overflow: hidden;
}

.post-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.4s ease;
    filter: brightness(0.85);
}

.post-card:hover .post-image img {
    transform: scale(1.05);
    filter: brightness(1);
}

.post-content {
    padding: var(--space-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* 无封面图的卡片样式 */
.post-card--no-image {
    justify-content: center;
}

.post-card--no-image .post-content {
    padding: var(--space-lg);
}

.post-card--no-image .post-content h3 {
    font-size: 1.2rem;
    margin-bottom: var(--space-sm);
}

.post-card--no-image .post-content p {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-category {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--red);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.post-content h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.post-content h3 a {
    color: inherit;
}

.post-content h3 a:hover {
    color: var(--red);
}

.post-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
    margin-bottom: var(--space-md);
}

.post-tags {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: var(--bg-elevated);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.tag:hover {
    border-color: var(--red);
    color: var(--red);
}

.post-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border);
}

.post-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ==========================================
   PROJECT CARDS — Garage
   ========================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.project-image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.4s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-content {
    padding: var(--space-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.project-content p {
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.6;
    flex: 1;
    margin-bottom: var(--space-md);
}

.project-tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
}

.project-links {
    display: flex;
    gap: var(--space-sm);
    margin-top: auto;
}

/* 无封面图的项目卡片样式 */
.project-card--no-image {
    justify-content: center;
}

.project-card--no-image .project-content {
    padding: var(--space-lg);
}

.project-card--no-image .project-content h3 {
    font-size: 1.2rem;
    margin-bottom: var(--space-sm);
}

.project-card--no-image .project-content p {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ==========================================
   PROJECT DETAIL — ENGINEERING REPORT
   ========================================== */

/* --- Breadcrumb --- */
.breadcrumb {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--space-xl);
    letter-spacing: 0.5px;
}
.breadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--text-primary); }
.breadcrumb-sep { margin: 0 var(--space-sm); color: var(--text-dim); }
.breadcrumb-current { color: var(--text-secondary); }

/* --- Project Header --- */
.pj-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2xl);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border);
}
.pj-header-text { flex: 1; min-width: 0; }
.pj-header-visual {
    flex: 0 0 400px;
    max-width: 400px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
}
.pj-header-visual img {
    width: 100%;
    height: 220px;
    object-fit: contain;
    display: block;
}
.pj-title {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: 1px;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}
.pj-status-badge {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 3px;
    margin-bottom: var(--space-md);
    letter-spacing: 1px;
}
.pj-status-completed {
    background: var(--red);
    color: #fff;
}
.pj-status-in-progress {
    background: var(--yellow);
    color: #000;
}
.pj-status-planned {
    background: var(--text-dim);
    color: var(--text-secondary);
}
.pj-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}
.pj-tags {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}
.pj-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    padding: 4px 10px;
    border: 1px solid var(--border-light);
    border-radius: 3px;
    color: var(--text-secondary);
    background: var(--bg-card);
}

/* --- Metadata Row --- */
.pj-meta-row {
    display: flex;
    gap: var(--space-xl);
    padding: var(--space-lg) 0;
    margin-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--border);
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}
.pj-meta-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    min-width: 100px;
}
.pj-meta-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}
.pj-meta-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* --- Section Title --- */
.pj-section {
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--border);
}
.pj-section:last-child { border-bottom: none; }
.pj-section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 1.5px;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.pj-title-mark {
    color: var(--red);
    font-weight: 800;
}

/* --- Overview Grid (3 columns) --- */
.pj-overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1.2fr;
    gap: var(--space-xl);
}
.pj-overview-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
}
.pj-overview-label--accent { color: var(--red); }
.pj-overview-text {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
}
.pj-overview-list {
    list-style: none;
    padding: 0;
}
.pj-overview-list li {
    font-size: 0.88rem;
    color: var(--text-secondary);
    padding: var(--space-xs) 0;
    padding-left: var(--space-md);
    position: relative;
}
.pj-overview-list li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--red);
    font-weight: 700;
}

/* --- Two Column Layout --- */
.pj-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
}
.pj-two-col--approach {
    grid-template-columns: 2fr 1fr;
}

/* --- Problem / Solution --- */
.pj-ps-list {
    list-style: none;
    padding: 0;
}
.pj-ps-list li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: var(--space-sm) 0;
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}
.pj-ps-x {
    color: var(--red);
    font-weight: 700;
    flex-shrink: 0;
    width: 16px;
}
.pj-ps-check {
    color: var(--green);
    font-weight: 700;
    flex-shrink: 0;
    width: 16px;
}

/* --- Architecture Diagram --- */
.pj-arch-diagram {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    overflow-x: auto;
}
.pj-arch-diagram .arch-flow {
    display: flex;
    align-items: stretch;
    gap: 0;
    min-width: max-content;
}
.pj-arch-diagram .arch-node {
    background: var(--bg-elevated);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: var(--space-md);
    text-align: center;
    min-width: 120px;
    flex-shrink: 0;
}
.pj-arch-diagram .arch-node-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}
.pj-arch-diagram .arch-node-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}
.pj-arch-diagram .arch-arrow {
    display: flex;
    align-items: center;
    padding: 0 var(--space-sm);
    color: var(--red);
    font-size: 1.2rem;
    flex-shrink: 0;
}
.pj-arch-diagram .arch-feedback {
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-top: var(--space-md);
    border-top: 1px dashed var(--border);
    padding-top: var(--space-sm);
}

/* --- Technical Approach Cards --- */
.pj-approach-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}
.pj-approach-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: border-color 0.3s;
}
.pj-approach-card:hover {
    border-color: var(--red);
}
.pj-approach-num {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--red);
    margin-bottom: var(--space-sm);
}
.pj-approach-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}
.pj-approach-field {
    margin-bottom: var(--space-sm);
}
.pj-approach-field-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 2px;
}
.pj-approach-field p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* --- Tech Stack --- */
.pj-tech-col {
    padding-left: var(--space-xl);
    border-left: 1px solid var(--border);
}
.pj-tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}
.pj-tech-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}
.pj-tech-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--red);
    flex-shrink: 0;
}
.pj-tech-name {
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* --- Results / Charts --- */
.pj-charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
}
.pj-chart-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    letter-spacing: 0.5px;
}
.pj-chart-bars {
    display: flex;
    align-items: flex-end;
    gap: var(--space-md);
    height: 160px;
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border);
}
.pj-bar-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}
.pj-bar-wrapper {
    flex: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    position: relative;
}
.pj-bar {
    width: 100%;
    max-width: 40px;
    background: var(--text-dim);
    border-radius: 2px 2px 0 0;
    min-height: 4px;
    transition: height 0.6s ease;
}
.pj-bar--highlight {
    background: var(--red);
}
.pj-bar-highlight {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--red);
    font-weight: 600;
    margin-bottom: 4px;
}
.pj-bar-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: var(--space-sm);
    text-align: center;
}

/* --- Demo Panel --- */
.pj-demo-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.pj-demo-placeholder {
    aspect-ratio: 16/10;
    background: var(--bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.pj-demo-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.pj-demo-icon {
    font-size: 2rem;
    color: var(--text-dim);
}
.pj-demo-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--bg-elevated);
    color: var(--red);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-decoration: none;
    border-top: 1px solid var(--border);
    transition: background 0.2s;
}
.pj-demo-btn:hover {
    background: var(--red-light);
}
.pj-demo-btn-icon {
    font-size: 0.85rem;
}

/* --- Timeline --- */
.pj-timeline {
    display: flex;
    gap: 0;
    position: relative;
}
.pj-lap {
    flex: 1;
    text-align: center;
    position: relative;
    padding-top: var(--space-xl);
}
.pj-lap-header {
    margin-bottom: var(--space-md);
}
.pj-lap-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--red);
    font-weight: 600;
    display: block;
    letter-spacing: 1px;
    margin-bottom: 2px;
}
.pj-lap-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    display: block;
}
.pj-lap-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-dim);
    border: 2px solid var(--bg-primary);
    margin: 0 auto var(--space-sm);
    position: relative;
    z-index: 1;
}
.pj-lap-dot--active {
    background: var(--red);
    box-shadow: 0 0 8px var(--red-glow);
}
.pj-lap-line {
    position: absolute;
    top: calc(var(--space-xl) + 20px);
    left: calc(50% + 6px);
    right: calc(-50% + 6px);
    height: 2px;
    background: var(--border);
    z-index: 0;
}
.pj-lap-date {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--space-xs);
}
.pj-lap-desc {
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.4;
    padding: 0 var(--space-xs);
}

/* --- Engineering Notes --- */
.pj-notes-col {
    padding-left: var(--space-xl);
    border-left: 1px solid var(--border);
}
.pj-notes-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}
.pj-note {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}
.pj-note-icon {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    color: var(--red);
    line-height: 1;
    flex-shrink: 0;
    opacity: 0.6;
}
.pj-note-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    letter-spacing: 0.5px;
}
.pj-note-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- Garage Exit (Footer) --- */
.pj-garage-exit {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border);
    margin-top: var(--space-xl);
    flex-wrap: wrap;
}
.pj-garage-label {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 2px;
}
.pj-garage-links {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
}
.pj-garage-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.8rem;
    transition: color 0.2s;
}
.pj-garage-link:hover { color: var(--text-primary); }
.pj-garage-link strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.8rem;
}
.pj-garage-link small {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.pj-garage-link-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}
.pj-next-btn {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    padding: var(--space-sm) var(--space-lg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    letter-spacing: 1px;
}
.pj-next-btn:hover {
    border-color: var(--red);
    color: var(--red);
}
.pj-next-arrow {
    color: var(--red);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .pj-header { flex-direction: column; }
    .pj-header-visual { flex: none; max-width: 100%; width: 100%; }
    .pj-overview-grid { grid-template-columns: 1fr; }
    .pj-two-col { grid-template-columns: 1fr; }
    .pj-two-col--approach { grid-template-columns: 1fr; }
    .pj-tech-col { padding-left: 0; border-left: none; border-top: 1px solid var(--border); padding-top: var(--space-xl); }
    .pj-approach-grid { grid-template-columns: repeat(2, 1fr); }
    .pj-notes-col { padding-left: 0; border-left: none; border-top: 1px solid var(--border); padding-top: var(--space-xl); }
}
@media (max-width: 768px) {
    .pj-meta-row { gap: var(--space-md); }
    .pj-approach-grid { grid-template-columns: 1fr; }
    .pj-timeline { flex-direction: column; gap: var(--space-md); }
    .pj-lap { text-align: left; display: flex; align-items: flex-start; gap: var(--space-md); padding-top: 0; }
    .pj-lap-line { display: none; }
    .pj-lap-dot { margin: 4px 0 0 0; }
    .pj-lap-header { margin-bottom: 0; }
    .pj-garage-exit { flex-direction: column; align-items: flex-start; }
    .pj-garage-links { flex-direction: column; }
    .pj-charts-grid { grid-template-columns: 1fr; }
}

/* --- Project card title link --- */
.project-content h3 a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}
.project-content h3 a:hover {
    color: var(--red);
}

/* ==========================================
   PAGE HEADER
   ========================================== */
.page-header {
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    margin-bottom: var(--space-sm);
}

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

/* Category Filter */
.category-filter {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.category-filter .btn {
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

/* ==========================================
   POST LIST PAGE
   ========================================== */
.posts-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.post-item {
    display: flex;
    gap: var(--space-xl);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.post-item:hover {
    border-color: var(--red);
}

.post-item .post-image {
    aspect-ratio: 16 / 5;
    width: 280px;
    flex-shrink: 0;
    aspect-ratio: auto;
}

.post-item .post-image img {
    width: 100%;
    height: 100%;
    min-height: 180px;
    object-fit: contain;
}

.post-item .post-content {
    padding: var(--space-lg);
    flex: 1;
}

.post-item .post-content h2 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.post-item .post-content h2 a {
    color: inherit;
}

.post-item .post-content h2 a:hover {
    color: var(--red);
}

/* 博客列表页无封面图样式 */
.post-item--no-image {
    padding: var(--space-lg);
}

.post-item--no-image .post-content {
    padding: 0;
}

.post-item--no-image .post-content p {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Pagination */
.pagination {
    display: flex;
    gap: var(--space-xs);
    margin-top: var(--space-2xl);
}

.pagination .btn {
    min-width: 40px;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
}

/* ==========================================
   POST DETAIL
   ========================================== */
.post-detail {
    max-width: 100%;
}

.post-header {
    margin-bottom: var(--space-2xl);
}

.post-header h1 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    letter-spacing: -0.5px;
    margin-bottom: var(--space-lg);
}

.post-header .post-meta {
    border: none;
    padding: 0;
    margin-bottom: var(--space-md);
}

.post-cover {
    max-width: 80%;
    margin-bottom: var(--space-2xl);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
    line-height: 0; /* 消除图片底部间隙 */
}

.post-cover img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

.post-body {
    line-height: 1.9;
    font-size: 1rem;
    color: var(--text-secondary);
}

.post-body h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border);
}

.post-body h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.post-body p {
    margin-bottom: var(--space-lg);
}

.post-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    margin: var(--space-md) 0;
    display: block;
}

.post-body blockquote {
    border-left: 3px solid var(--red);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-card);
    margin: var(--space-lg) 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.post-body code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85em;
    background: var(--bg-card);
    padding: 2px 7px;
    border-radius: var(--radius-sm);
    color: var(--red);
    border: 1px solid var(--border);
}

.post-body pre {
    background: var(--bg-card);
    color: var(--text-primary);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--space-lg) 0;
    border: 1px solid var(--border);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    position: relative;
}

.post-body pre code {
    background: none;
    padding: 0;
    color: inherit;
    border: none;
}

.post-footer {
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border);
}

.post-share {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ==========================================
   CONTACT PAGE
   ========================================== */
.contact-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.contact-form {
    background: var(--bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.contact-form h2 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-secondary);
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-dim);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--red);
    box-shadow: 0 0 0 3px var(--red-light);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.contact-info {
    background: var(--bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.contact-info h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-lg);
}

.contact-info-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.contact-info-icon {
    width: 36px;
    height: 36px;
    background: var(--red-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--red);
}

.contact-info-text h4 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
    font-size: 0.85rem;
}

.contact-info-text p,
.contact-info-text a {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ==========================================
   FOOTER — Control Center Panels
   ========================================== */
.footer {
    border-top: 1px solid var(--border);
    padding: var(--space-2xl);
    margin-top: var(--space-3xl);
}

.footer-panels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

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

.footer-panel-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-panel-title svg {
    color: var(--red);
}

/* About Panel */
.footer-about {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-about-top {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
}

.footer-about-avatar {
    width: 96px;
    height: 96px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border);
    object-fit: contain;
    flex-shrink: 0;
}

.footer-about-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.footer-about-tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.footer-about-focus {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.focus-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}

.focus-tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.more-link {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--red);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
    margin-top: var(--space-sm);
}

.more-link:hover {
    color: var(--red-hover);
}

/* Telemetry Panel */
.telemetry-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.telemetry-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
}

.telemetry-label {
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.telemetry-value {
    color: var(--text-primary);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

/* Now Playing Panel */
.now-playing {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.now-playing-top {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Album Art */
.now-playing-art {
    position: relative;
    width: 96px;
    height: 96px;
    flex-shrink: 0;
    border-radius: 12px;
}

/* Image wrapper */
.now-playing-art-img {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.now-playing-art-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.now-playing-art:hover .now-playing-art-img img {
    transform: scale(1.05);
}

@keyframes glow-breathe {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.9; }
}

.album-placeholder {
    font-size: 1.5rem;
    opacity: 0.5;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    border-radius: 11px;
}

.now-playing-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.now-playing-title {
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 600;
}

.now-playing-artist {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.now-playing-progress {
    width: 100%;
}

.progress-bar {
    width: 100%;
    height: 3px;
    background: var(--border);
    border-radius: 2px;
    cursor: pointer;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: var(--red);
    border-radius: 2px;
    transition: width 0.1s linear;
}

.progress-time {
    display: flex;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-top: 4px;
}

.now-playing-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.control-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.control-btn:hover {
    border-color: var(--red);
    color: var(--red);
}

.control-btn.active {
    border-color: var(--red);
    color: var(--red);
    background: var(--red-light);
}

.control-sm {
    width: 26px;
    height: 26px;
    font-size: 0.85rem;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: var(--space-xs);
}

.volume-control svg {
    color: var(--text-muted);
    flex-shrink: 0;
}

.volume-control input[type="range"] {
    width: 70px;
    height: 3px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.volume-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--red);
    cursor: pointer;
}

.volume-control input[type="range"]::-moz-range-thumb {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--red);
    cursor: pointer;
    border: none;
}

.control-btn.play {
    width: 40px;
    height: 40px;
    border-color: var(--text-secondary);
}

/* Pit Wall Panel */
.pit-wall-section {
    margin-bottom: var(--space-sm);
}

.pit-wall-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    letter-spacing: 0.5px;
}

.pit-wall-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.pit-wall-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
    padding: 6px 0;
    transition: var(--transition);
}

.pit-wall-link:hover {
    color: var(--red);
}

.pit-wall-link svg {
    flex-shrink: 0;
}

.pit-wall-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

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

.footer-bottom-left {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.footer-logo {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.footer-copyright {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
}

.footer-beian {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-dim);
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    transition: var(--transition);
}

.footer-beian:hover {
    color: var(--text-secondary);
}

.beian-icon {
    width: 12px;
    height: 12px;
    object-fit: contain;
}

.footer-bottom-right {
    display: flex;
    align-items: center;
}

.footer-slogan {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}

/* Best Lap */
.best-lap {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border);
}

.best-lap-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    letter-spacing: 1px;
    display: block;
    margin-bottom: var(--space-xs);
}

.best-lap-time {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--red);
    letter-spacing: 1px;
}

.footer-bottom p {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    letter-spacing: 0.5px;
}

/* ==========================================
   ALERTS
   ========================================== */

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 10px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    font-size: 0.85rem;
    font-weight: 500;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

.toast-show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.alert {
    padding: var(--space-md) var(--space-lg);
    margin-bottom: var(--space-lg);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    border: 1px solid;
}

.alert-success {
    background: var(--green-light);
    color: var(--green);
    border-color: rgba(0, 210, 106, 0.2);
}

.alert-error {
    background: var(--red-light);
    color: var(--red);
    border-color: rgba(225, 6, 0, 0.2);
}

/* ==========================================
   ADMIN STYLES
   ========================================== */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2xl);
}

.admin-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.admin-header-actions {
    display: flex;
    gap: var(--space-md);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.stat-card {
    background: var(--bg-card);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.stat-card:hover {
    border-color: var(--border-light);
}

.stat-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-card-icon.red { background: var(--red-light); color: var(--red); }
.stat-card-icon.green { background: var(--green-light); color: var(--green); }
.stat-card-icon.yellow { background: var(--yellow-light); color: var(--yellow); }

.stat-card-content h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.8rem;
    color: var(--text-primary);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-card-content p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.stat-card-content a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--red);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.recent-messages {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.recent-messages h2 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-lg);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.data-table tr:hover td {
    background: var(--bg-hover);
}

.status-published, .status-draft, .status-read, .status-unread {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-published { background: var(--green-light); color: var(--green); }
.status-draft { background: var(--yellow-light); color: var(--yellow); }
.status-read { background: rgba(0, 191, 255, 0.1); color: #00bfff; }
.status-unread { background: var(--red-light); color: var(--red); }

.form-actions {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.post-form {
    background: var(--bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.post-form h2 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-xl);
}

.quick-actions {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.quick-actions h2 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-lg);
}

.action-buttons {
    display: flex;
    gap: var(--space-md);
}

.empty-state {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
    opacity: 0.3;
}

/* ==========================================
   LOGIN PAGE
   ========================================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
}

.login-container {
    background: var(--bg-card);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    width: 100%;
    max-width: 380px;
}

.login-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.login-logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    margin-bottom: var(--space-sm);
}

.login-subtitle {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.login-form .form-group {
    margin-bottom: var(--space-lg);
}

.login-form .form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.login-form .form-group input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.login-form .form-group input:focus {
    outline: none;
    border-color: var(--red);
    box-shadow: 0 0 0 3px var(--red-light);
}

.login-form .btn-login {
    width: 100%;
    padding: 14px;
    background: var(--red);
    color: white;
    border: 1px solid var(--red);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.login-form .btn-login:hover {
    background: var(--red-hover);
    box-shadow: 0 0 20px var(--red-glow);
}

.login-footer {
    text-align: center;
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
}

.login-footer a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.login-footer a:hover {
    color: var(--red);
}

/* ==========================================
   MOBILE RESPONSIVE
   ========================================== */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    z-index: 110;
    padding: 0 var(--space-lg);
    align-items: center;
    justify-content: space-between;
}

.mobile-logo {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-primary);
}

.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    display: none;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    margin: 5px 0;
    transition: var(--transition);
}

@media (max-width: 1024px) {
    :root {
        --sidebar-width: 200px;
    }
}

@media (max-width: 768px) {
    .mobile-header {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .sidebar {
        transform: translateX(-100%);
        transition: var(--transition-slow);
        z-index: 120;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-wrapper {
        margin-left: 0;
        padding-top: 56px;
    }

    .reading-progress {
        left: 0;
        top: 56px;
    }

    .hero-slide {
        grid-template-columns: 1fr;
    }

    .hero-slide-visual {
        display: none;
    }

    .hero-slides {
        height: auto;
        min-height: 300px;
    }

    .post-item {
        flex-direction: column;
    }

    .post-item .post-image {
    aspect-ratio: 16 / 5;
        width: 100%;
        height: 200px;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .admin-header {
        flex-direction: column;
        gap: var(--space-md);
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: var(--space-lg);
    }
}

/* ==========================================
   POST DETAIL PAGE — Article Styles
   ========================================== */

/* TOC Styles */
.post-layout {
    display: flex;
    gap: var(--space-2xl);
    max-width: 100%;
    margin: 0 auto;
}

.post-main {
    flex: 1;
    min-width: 0;
}

.post-toc-sidebar {
    width: 250px;
    flex-shrink: 0;
    position: sticky;
    top: 100px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    display: none;
}

@media (min-width: 1200px) {
    .post-toc-sidebar {
        display: block;
    }
}

.toc-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.toc-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border);
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-item {
    margin-bottom: var(--space-xs);
}

.toc-item a {
    display: block;
    padding: 6px 10px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    border-left: 2px solid transparent;
}

.toc-item a:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.toc-item a.active {
    color: var(--red);
    background: var(--red-light);
    border-left-color: var(--red);
}

.toc-item.toc-h3 {
    padding-left: 16px;
}

/* Post Header Enhancements */
.post-header {
    margin-bottom: var(--space-xl);
}

.post-header-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-lg);
    flex-wrap: wrap;
}

.post-header-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
    padding-right: var(--space-md);
    border-right: 1px solid var(--border);
}

.post-header-meta-item:last-of-type {
    border-right: none;
    padding-right: 0;
}

.post-header-meta-item svg {
    opacity: 0.7;
    flex-shrink: 0;
}

.post-header-meta .like-button {
    margin-left: var(--space-sm);
}

/* Like Button */
.like-button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.like-button:hover {
    border-color: var(--red);
    color: var(--red);
    background: var(--red-light);
}

.like-button.liked {
    border-color: var(--red);
    color: var(--red);
    background: var(--red-light);
}

.like-button svg {
    transition: transform 0.2s ease;
}

.like-button:hover svg {
    transform: scale(1.1);
}

/* Code Block Copy Button */
.code-toolbar {
    position: relative;
}

.code-toolbar .copy-button {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 4px 8px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.code-toolbar:hover .copy-button {
    opacity: 1;
}

.copy-button:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* Related Posts */
.related-posts {
    margin-top: var(--space-3xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border);
}

.related-posts-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.related-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.related-post-card {
    display: block;
    padding: var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition);
}

.related-post-card:hover {
    border-color: var(--red);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(225, 6, 0, 0.1);
}

.related-post-card .post-category {
    font-size: 0.85rem;
    margin-bottom: var(--space-sm);
}

.related-post-card h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: 1rem;
    line-height: 1.4;
}

.related-post-card p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Share Section */
.post-share {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.post-share > span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.share-buttons {
    display: flex;
    gap: var(--space-md);
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.share-btn svg {
    width: 20px;
    height: 20px;
}

.share-btn:hover {
    border-color: var(--red);
    color: var(--red);
    background: var(--red-light);
    transform: translateY(-2px);
}

/* Mobile TOC */
.toc-mobile-toggle {
    display: none;
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    margin-bottom: var(--space-lg);
}

@media (max-width: 1199px) {
    .toc-mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .toc-mobile-content {
        display: none;
        padding: var(--space-md);
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        margin-bottom: var(--space-lg);
    }

    .toc-mobile-content.expanded {
        display: block;
    }
}