/* ========================================================================
   MotorG — Main Stylesheet
   Mustang GTD × Midnight Violet — Premium Automotive Media Theme
   ======================================================================== */

/* ── CSS Custom Properties ─────────────────────────────────────────────── */
:root {
    /* Colors — Midnight Violet GTD Palette */
    --bg-primary: #08080F;
    --bg-secondary: #0F0F1A;
    --bg-tertiary: #161625;
    --bg-card: #111120;
    --bg-card-hover: #1A1A30;

    /* Mustang GTD Violet Accents */
    --gtd-violet: #A855F7;
    --gtd-violet-glow: rgba(168, 85, 247, 0.4);
    --gtd-violet-dim: rgba(168, 85, 247, 0.12);
    --gtd-fuchsia: #D946EF;
    --gtd-fuchsia-glow: rgba(217, 70, 239, 0.4);
    --gtd-deep: #7C3AED;
    --gtd-carbon: #0a0a14;

    /* Surface with glassmorphism & carbon */
    --glass-bg: rgba(15, 15, 26, 0.85);
    --glass-border: rgba(168, 85, 247, 0.15);
    --glass-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);

    /* Text */
    --text-primary: #f0f0f8;
    --text-secondary: #9898b8;
    --text-tertiary: #5f5f80;
    --text-inverse: #08080F;

    /* Accents */
    --accent-primary: #A855F7;
    --accent-primary-hover: #C084FC;
    --accent-secondary: #D946EF;
    --accent-gradient: linear-gradient(135deg, #7C3AED 0%, #A855F7 50%, #D946EF 100%);
    --accent-glow: 0 0 25px rgba(168, 85, 247, 0.4);

    /* Semantic */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #A855F7;

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-default: rgba(168, 85, 247, 0.18);
    --border-strong: rgba(168, 85, 247, 0.4);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Typography */
    --font-sans: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-tech: 'Chakra Petch', 'Inter', sans-serif;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 4.5rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 18px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
    --transition-base: 250ms cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 450ms cubic-bezier(0.16, 1, 0.3, 1);

    /* Navbar */
    --navbar-height: 76px;
}

/* ── 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-sans);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

a {
    color: var(--accent-primary-hover);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-secondary);
}

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

ul, ol {
    list-style: none;
}

/* ── Utility Classes ───────────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Animations ────────────────────────────────────────────────────────── */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.8); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out both;
}

.animate-fade-in-up {
    animation: fadeInUp 0.7s ease-out both;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }

/* ── Aero Top Bar ──────────────────────────────────────────────────────── */
.aero-top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    z-index: 1100;
    box-shadow: 0 0 12px var(--gtd-violet-glow), 0 0 30px rgba(168, 85, 247, 0.15);
}

/* ── Navbar ────────────────────────────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 3px;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--navbar-height);
    background: rgba(8, 8, 15, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--transition-base), box-shadow var(--transition-base);
}

.navbar.scrolled {
    background: rgba(8, 8, 15, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(168, 85, 247, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
    transition: opacity var(--transition-fast);
}

.nav-logo:hover {
    opacity: 0.95;
}

.logo-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(168, 85, 247, 0.08);
    border: 1px solid rgba(168, 85, 247, 0.25);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px rgba(168, 85, 247, 0.12);
    transition: all var(--transition-base);
}

.nav-logo:hover .logo-mark {
    border-color: var(--gtd-violet);
    box-shadow: 0 6px 24px rgba(168, 85, 247, 0.35);
    background: rgba(168, 85, 247, 0.15);
}

.logo-svg {
    filter: drop-shadow(0 0 6px rgba(168, 85, 247, 0.4));
    transition: transform var(--transition-fast);
}

.nav-logo:hover .logo-svg {
    transform: scale(1.08);
}

.logo-text-group {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1;
}

.logo-text {
    font-family: var(--font-tech);
    font-size: 1.35rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 2.5px;
    text-transform: uppercase;
}

.logo-accent {
    color: var(--gtd-violet);
    text-shadow: 0 0 12px var(--gtd-violet-glow);
}

.logo-tagline {
    font-family: var(--font-sans);
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 2.2px;
    color: var(--text-tertiary);
    margin-top: 3px;
    text-transform: uppercase;
}

/* Nav Toggle (Mobile) */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Nav Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    flex: 1;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-link {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(168, 85, 247, 0.08);
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.dropdown-arrow {
    font-size: 0.7em;
    transition: transform var(--transition-fast);
}

.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition-fast);
    box-shadow: var(--glass-shadow), 0 0 20px rgba(168, 85, 247, 0.08);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: block;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.dropdown-link:hover {
    color: var(--text-primary);
    background: rgba(168, 85, 247, 0.1);
}

/* Nav Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-left: auto;
}

.nav-search {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    overflow: hidden;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.nav-search:focus-within {
    border-color: var(--accent-primary);
    background: rgba(168, 85, 247, 0.06);
    box-shadow: 0 0 12px rgba(168, 85, 247, 0.1);
}

.search-input {
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    padding: var(--space-sm) var(--space-md);
    width: 180px;
    outline: none;
}

.search-input::placeholder {
    color: var(--text-tertiary);
}

.search-btn {
    background: none;
    border: none;
    color: var(--text-tertiary);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
}

.search-btn:hover {
    color: var(--accent-primary);
}

/* Nav Buttons */
.nav-btn {
    font-size: var(--font-size-sm);
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-btn-ghost {
    color: var(--text-secondary);
}

.nav-btn-ghost:hover {
    color: var(--text-primary);
    background: rgba(168, 85, 247, 0.08);
}

.nav-icon-btn {
    padding: var(--space-sm);
}

.nav-btn-outline {
    color: var(--text-secondary);
    border: 1px solid var(--border-default);
}

.nav-btn-outline:hover {
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.nav-btn-primary {
    background: var(--accent-gradient);
    color: white;
    border: none;
}

.nav-btn-primary:hover {
    opacity: 0.9;
    color: white;
    box-shadow: var(--accent-glow);
}

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 2px 10px rgba(168, 85, 247, 0.2);
}

.btn-primary:hover {
    box-shadow: var(--accent-glow);
    transform: translateY(-1px);
    color: white;
}

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

.btn-outline:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary-hover);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: rgba(168, 85, 247, 0.08);
}

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

.btn-danger:hover {
    background: #dc2626;
    color: white;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: var(--font-size-base);
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-xs);
}

.btn-full {
    width: 100%;
}

/* GTD-Specific Buttons */
.btn-gtd-primary {
    background: var(--accent-gradient);
    color: #ffffff;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 25px var(--gtd-violet-glow);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn-gtd-primary:hover {
    background: linear-gradient(135deg, #A855F7 0%, #D946EF 100%);
    box-shadow: 0 12px 35px rgba(168, 85, 247, 0.6);
    transform: translateY(-2px);
    color: #ffffff;
}

.btn-gtd-ghost {
    background: rgba(168, 85, 247, 0.06);
    border: 1px solid var(--border-default);
    color: #ffffff;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    transition: all var(--transition-base);
}

.btn-gtd-ghost:hover {
    background: rgba(168, 85, 247, 0.15);
    border-color: var(--gtd-violet);
    color: var(--accent-primary-hover);
    transform: translateY(-2px);
}

/* ── Flash Messages ────────────────────────────────────────────────────── */
.flash-container {
    position: fixed;
    top: calc(var(--navbar-height) + 3px + var(--space-md));
    right: var(--space-lg);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-width: 400px;
    width: 100%;
}

.flash-message {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    animation: slideDown 0.3s ease-out;
    backdrop-filter: blur(10px);
}

.flash-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #86efac;
}

.flash-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.flash-info {
    background: rgba(168, 85, 247, 0.15);
    border: 1px solid rgba(168, 85, 247, 0.3);
    color: #C084FC;
}

.flash-warning {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fcd34d;
}

.flash-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
    line-height: 1;
}

.flash-close:hover {
    opacity: 1;
}

/* ── Main Content ──────────────────────────────────────────────────────── */
.main-content {
    min-height: 100vh;
}

/* ── Hero Section — Compact & Clean ────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 55vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--navbar-height) + 3px + var(--space-2xl)) 0 var(--space-2xl);
    overflow: hidden;
    background: var(--bg-primary);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover !important;
    background-position: center center !important;
    background-repeat: no-repeat !important;
    z-index: 1;
    filter: brightness(0.7) contrast(1.1) saturate(1.2);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 60%),
        linear-gradient(180deg, rgba(8, 8, 15, 0.6) 0%, rgba(8, 8, 15, 0.4) 40%, rgba(8, 8, 15, 0.85) 100%);
    z-index: 2;
}

.hero-carbon-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(rgba(168, 85, 247, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(168, 85, 247, 0.02) 1px, transparent 1px);
    background-size: 24px 24px, 48px 48px;
    z-index: 3;
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 10;
    width: 100%;
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    background: transparent;
    padding: 0 var(--space-lg);
}

.hero-telemetry-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.3);
    padding: 6px 16px;
    border-radius: var(--radius-md);
    font-family: var(--font-tech);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent-primary-hover);
    margin: 0 auto var(--space-lg) auto;
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.15);
    letter-spacing: 1px;
}

.telemetry-dot {
    width: 8px;
    height: 8px;
    background: var(--gtd-violet);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--gtd-violet), 0 0 20px rgba(168, 85, 247, 0.3);
    animation: pulseDot 1.5s infinite;
}

.telemetry-text {
    color: inherit;
}

.telemetry-tag {
    background: var(--gtd-fuchsia);
    color: #fff;
    font-size: 0.6rem;
    padding: 2px 7px;
    border-radius: 3px;
    margin-left: 4px;
    letter-spacing: 0.5px;
}

.hero-title {
    font-family: var(--font-sans);
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 900;
    line-height: 1.25;
    color: #ffffff;
    letter-spacing: -0.5px;
    margin-bottom: var(--space-sm);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
    white-space: nowrap;
}

.text-neon-gradient {
    background: linear-gradient(120deg, #ffffff 0%, var(--accent-primary-hover) 50%, var(--gtd-fuchsia) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 18px rgba(168, 85, 247, 0.5));
}

.hero-subtitle {
    font-size: var(--font-size-base);
    color: #b8b8d0;
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ── Telemetry Specs Bar ───────────────────────────────────────────────── */
.hero-specs-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    margin: var(--space-xl) auto 0 auto;
    padding: var(--space-sm) var(--space-lg);
    background: rgba(8, 8, 15, 0.75);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    border-left: 3px solid var(--gtd-violet);
    border-radius: var(--radius-sm);
    width: fit-content;
}

.spec-item {
    display: flex;
    flex-direction: column;
}

.spec-label {
    font-family: var(--font-tech);
    font-size: 0.65rem;
    color: var(--text-tertiary);
    letter-spacing: 1.5px;
}

.spec-value {
    font-family: var(--font-tech);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-primary-hover);
    letter-spacing: 1px;
}

.spec-divider {
    width: 1px;
    height: 24px;
    background: var(--border-subtle);
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-tertiary);
    font-size: var(--font-size-xs);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    z-index: 10;
}

.scroll-text {
    font-family: var(--font-tech);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--accent-primary);
    animation: scrollLine 2s ease-in-out infinite;
}

/* ── Sections ──────────────────────────────────────────────────────────── */
.section {
    padding: var(--space-4xl) 0;
}

.section-dark {
    background: var(--bg-secondary);
}

.page-section {
    padding-top: calc(var(--navbar-height) + 3px + var(--space-3xl));
}

.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: var(--space-2xl);
    gap: var(--space-md);
}

.section-title-wrap {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.section-code {
    font-family: var(--font-tech);
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--gtd-violet);
    text-transform: uppercase;
    letter-spacing: 3px;
    opacity: 0.8;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.title-highlight {
    font-weight: 400;
    font-size: 0.55em;
    color: var(--text-tertiary);
    margin-left: var(--space-sm);
    letter-spacing: 0;
}

.section-desc {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    margin-top: var(--space-xs);
}

.section-label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xs);
}

.section-more {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-tertiary);
    transition: color var(--transition-fast), gap var(--transition-fast);
    white-space: nowrap;
}

.section-more:hover {
    color: var(--accent-primary-hover);
    gap: var(--space-sm);
}

/* ── Page Header ───────────────────────────────────────────────────────── */
.page-header {
    margin-bottom: var(--space-2xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    width: 100%;
    margin-top: var(--space-sm);
}

.category-header-badge {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    width: 100%;
}

/* ── Search Bar ────────────────────────────────────────────────────────── */
.search-bar-section {
    margin-bottom: var(--space-2xl);
}

.search-bar {
    display: flex;
    gap: var(--space-sm);
    max-width: 600px;
}

.search-bar-input {
    flex: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-bar-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

.search-bar-input::placeholder {
    color: var(--text-tertiary);
}

/* ── Articles Grid ─────────────────────────────────────────────────────── */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.articles-grid-featured {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
}

.articles-grid-featured .article-card-hero {
    grid-column: 1 / -1;
}

.articles-grid-featured .article-card-hero .article-card-image {
    aspect-ratio: 21 / 9;
}

.articles-grid-featured .article-card-hero .article-card-title {
    font-size: var(--font-size-2xl);
}

/* ── Article Card ──────────────────────────────────────────────────────── */
.article-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-base);
}

.article-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(168, 85, 247, 0.25);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), 0 0 20px rgba(168, 85, 247, 0.08);
}

.article-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.article-card-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.article-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.article-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
}

.article-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.5), transparent 50%);
    pointer-events: none;
}

.article-card-badge {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    background: rgba(8, 8, 15, 0.75);
    backdrop-filter: blur(8px);
    color: var(--accent-primary-hover);
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(168, 85, 247, 0.2);
    z-index: 2;
}

.article-card-body {
    padding: var(--space-lg);
}

.article-card-meta-top {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.article-card-category {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--accent-primary-hover);
    background: rgba(168, 85, 247, 0.1);
    padding: 2px 10px;
    border-radius: var(--radius-full);
}

.article-card-date {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.article-card-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--text-primary);
}

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

.article-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.article-card-readmore {
    color: var(--accent-primary);
    font-weight: 600;
    transition: color var(--transition-fast);
}

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

.article-card-views {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ── Categories Section ───────────────────────────────────────────────── */
.section-categories {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.section-categories::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(168, 85, 247, 0.3), transparent);
}

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

.category-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-lg) var(--space-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    transition: all var(--transition-base);
    overflow: hidden;
    text-decoration: none;
}

.category-card-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 120%, rgba(168, 85, 247, 0.08) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.category-card:hover .category-card-bg {
    opacity: 1;
}

.category-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(168, 85, 247, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2), 0 0 20px rgba(168, 85, 247, 0.1);
    color: var(--text-primary);
}

.category-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.category-card-code {
    font-family: var(--font-tech);
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    letter-spacing: 1.5px;
    font-weight: 600;
}

.category-card-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.category-card-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.category-card-footer {
    margin-top: auto;
    position: relative;
    z-index: 1;
}

.category-card-action {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.category-card:hover .category-card-action {
    color: var(--accent-primary-hover);
}

/* ── Popular Articles (Leaderboard) ────────────────────────────────────── */
.popular-leaderboard {
    display: flex;
    flex-direction: column;
    gap: 2px;
    background: rgba(168, 85, 247, 0.05);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
}

.leaderboard-item {
    display: grid;
    grid-template-columns: 60px 1fr auto;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg) var(--space-xl);
    background: var(--bg-card);
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

.leaderboard-item:first-child {
    border-top: none;
}

.leaderboard-rank {
    display: flex;
    align-items: center;
    justify-content: center;
}

.rank-num {
    font-family: var(--font-tech);
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: var(--text-tertiary);
    opacity: 0.25;
    line-height: 1;
    transition: all var(--transition-fast);
}

.leaderboard-item:first-child .rank-num {
    color: var(--gtd-violet);
    opacity: 0.6;
}

.leaderboard-item:nth-child(2) .rank-num {
    color: var(--accent-primary-hover);
    opacity: 0.4;
}

.leaderboard-item:nth-child(3) .rank-num {
    color: var(--gtd-fuchsia);
    opacity: 0.35;
}

.leaderboard-item:hover .rank-num {
    opacity: 0.8;
}

.leaderboard-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    min-width: 0;
}

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

.leaderboard-category {
    font-size: var(--font-size-xs);
    color: var(--accent-primary-hover);
    font-weight: 600;
}

.leaderboard-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.leaderboard-stats {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-shrink: 0;
}

.leaderboard-views {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    font-family: var(--font-tech);
    white-space: nowrap;
}

.leaderboard-views small {
    font-size: 0.8em;
    opacity: 0.7;
}

.leaderboard-arrow {
    font-size: var(--font-size-lg);
    color: var(--text-tertiary);
    transition: transform var(--transition-fast), color var(--transition-fast);
}

.leaderboard-item:hover .leaderboard-arrow {
    transform: translateX(4px);
    color: var(--accent-primary);
}

/* ── Popular Articles (Legacy List) ────────────────────────────────────── */
.popular-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.popular-item {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    padding: var(--space-lg) var(--space-xl);
    background: var(--bg-card);
    color: var(--text-primary);
    transition: background var(--transition-fast);
}

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

.popular-rank {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: var(--text-tertiary);
    opacity: 0.3;
    min-width: 50px;
}

.popular-info {
    flex: 1;
}

.popular-category {
    font-size: var(--font-size-xs);
    color: var(--accent-primary-hover);
    font-weight: 600;
}

.popular-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-top: var(--space-xs);
}

.popular-views {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-top: var(--space-xs);
    display: block;
}

.popular-arrow {
    font-size: var(--font-size-xl);
    color: var(--text-tertiary);
    transition: transform var(--transition-fast), color var(--transition-fast);
}

.popular-item:hover .popular-arrow {
    transform: translateX(4px);
    color: var(--accent-primary);
}

/* ── CTA Section ───────────────────────────────────────────────────────── */
.cta-section {
    padding: var(--space-4xl) 0;
}

.cta-card {
    text-align: center;
    padding: var(--space-4xl) var(--space-xl);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: var(--accent-gradient);
}

.cta-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(rgba(168, 85, 247, 0.03) 1px, transparent 1px);
    background-size: 20px 20px;
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-badge {
    display: inline-block;
    font-family: var(--font-tech);
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--accent-primary-hover);
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.25);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-lg);
    letter-spacing: 2px;
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.cta-text {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

/* ── Article Detail ────────────────────────────────────────────────────── */
.article-detail {
    padding-top: calc(var(--navbar-height) + 3px);
}

.article-header {
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

.article-header-bg {
    position: absolute;
    inset: 0;
    background: var(--bg-secondary);
}

.article-header-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
}

.article-header-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(8, 8, 15, 0.95), rgba(8, 8, 15, 0.3));
}

.article-header-content {
    position: relative;
    padding: var(--space-3xl) 0;
    z-index: 1;
}

.article-detail-category {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--accent-primary-hover);
    background: rgba(168, 85, 247, 0.15);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-lg);
}

.article-detail-category:hover {
    color: white;
    background: var(--accent-primary);
}

.article-detail-title {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
}

.article-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.article-detail-meta span {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

/* Article Layout */
.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--space-3xl);
    padding: var(--space-3xl) 0;
}

.article-body {}

.article-summary {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.8;
    padding-bottom: var(--space-xl);
    margin-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border-subtle);
}

.article-featured-image {
    margin: 0 0 var(--space-2xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-subtle);
}

.article-featured-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.article-featured-image:hover img {
    transform: scale(1.02);
}

.article-content {
    font-size: var(--font-size-base);
    line-height: 1.9;
    color: var(--text-primary);
}

.article-content h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin: var(--space-2xl) 0 var(--space-md);
}

.article-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin: var(--space-xl) 0 var(--space-md);
}

.article-content p {
    margin-bottom: var(--space-lg);
}

.article-content img {
    border-radius: var(--radius-md);
    margin: var(--space-xl) 0;
}

.article-content ul, .article-content ol {
    margin: var(--space-md) 0;
    padding-left: var(--space-xl);
}

.article-content li {
    margin-bottom: var(--space-sm);
    list-style: disc;
}

.article-content ol li {
    list-style: decimal;
}

.article-content blockquote {
    border-left: 3px solid var(--accent-primary);
    padding: var(--space-md) var(--space-xl);
    margin: var(--space-xl) 0;
    background: rgba(168, 85, 247, 0.05);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--text-secondary);
    font-style: italic;
}

.article-actions {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border-subtle);
    margin-top: var(--space-xl);
    display: flex;
    gap: var(--space-md);
}

/* Article Sidebar */
.article-sidebar {
    position: sticky;
    top: calc(var(--navbar-height) + 3px + var(--space-xl));
    align-self: start;
}

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

.sidebar-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-subtle);
}

.sidebar-article {
    display: block;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border-subtle);
    transition: all var(--transition-fast);
}

.sidebar-article:last-child {
    border-bottom: none;
}

.sidebar-article:hover {
    padding-left: var(--space-sm);
}

.sidebar-article-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: var(--space-xs);
}

.sidebar-article-date {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

/* ── Comments ──────────────────────────────────────────────────────────── */
.comments-section {
    padding: var(--space-3xl) 0;
    border-top: 1px solid var(--border-subtle);
}

.comments-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-xl);
}

.comments-count {
    color: var(--text-tertiary);
    font-weight: 400;
}

.comment-form {
    margin-bottom: var(--space-2xl);
}

.comment-login-prompt {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    text-align: center;
    margin-bottom: var(--space-2xl);
    color: var(--text-secondary);
}

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

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

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

.comment-author {
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.comment-date {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.comment-body {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ── Auth Pages ────────────────────────────────────────────────────────── */
.auth-container {
    max-width: 440px;
    margin: 0 auto;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

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

.auth-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    margin-bottom: var(--space-sm);
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-subtle);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ── Forms ──────────────────────────────────────────────────────────────── */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    width: 100%;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

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

.form-input-lg {
    font-size: var(--font-size-xl);
    font-weight: 700;
    padding: var(--space-lg);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-textarea-lg {
    min-height: 400px;
    font-family: monospace, var(--font-sans);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-select option {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.form-checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: var(--space-sm);
}

.form-checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

.form-checkbox-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
}

.form-error {
    font-size: var(--font-size-xs);
    color: var(--error);
}

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

/* ── Admin ─────────────────────────────────────────────────────────────── */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

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

.stat-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.stat-value {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
}

.stat-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

.admin-table-wrapper {
    overflow-x: auto;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

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

.admin-table thead {
    border-bottom: 1px solid var(--border-default);
}

.admin-table th {
    text-align: left;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-md) var(--space-lg);
}

.admin-table td {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--border-subtle);
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.admin-table-title a {
    color: var(--text-primary);
    font-weight: 600;
}

.admin-table-title a:hover {
    color: var(--accent-primary-hover);
}

.admin-table-actions {
    display: flex;
    gap: var(--space-sm);
}

.inline-form {
    display: inline;
}

.admin-badge {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: 2px 10px;
    border-radius: var(--radius-full);
}

.admin-badge-category {
    background: rgba(168, 85, 247, 0.1);
    color: var(--accent-primary-hover);
}

.admin-badge-published {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
}

.admin-badge-draft {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

/* Admin Form */
.admin-form-container {
    max-width: 100%;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--space-2xl);
    align-items: start;
}

.form-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.form-sidebar {
    position: sticky;
    top: calc(var(--navbar-height) + 3px + var(--space-xl));
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-card-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-subtle);
}

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

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--space-md);
    width: 100%;
}

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

/* ── About Page ────────────────────────────────────────────────────────── */
.about-hero {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.about-title {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    margin-bottom: var(--space-lg);
}

.about-lead {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto;
}

.about-content {
    max-width: 700px;
    margin: 0 auto;
}

.about-section {
    margin-bottom: var(--space-2xl);
}

.about-section h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--accent-primary);
    display: inline-block;
}

.about-section p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.about-category-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.about-category-item:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* ── Empty State ───────────────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: var(--space-4xl) var(--space-xl);
}

.empty-state-small {
    padding: var(--space-xl);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
}

.empty-state-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.empty-state-text {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

/* ── Pagination ────────────────────────────────────────────────────────── */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-2xl) 0;
}

.pagination-numbers {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.pagination-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.pagination-number:hover {
    background: rgba(168, 85, 247, 0.08);
    color: var(--text-primary);
}

.pagination-number.active {
    background: var(--accent-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(168, 85, 247, 0.3);
}

.pagination-btn {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.pagination-btn:hover {
    color: var(--text-primary);
    background: rgba(168, 85, 247, 0.08);
}

.pagination-ellipsis {
    color: var(--text-tertiary);
    padding: 0 var(--space-xs);
}

/* ── Footer ────────────────────────────────────────────────────────────── */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    padding: var(--space-3xl) 0 var(--space-xl);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(168, 85, 247, 0.2), transparent);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

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

.footer-tagline {
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
}

.footer-heading {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-primary-hover);
}

.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding-top: var(--space-xl);
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        position: static;
    }

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

    .form-sidebar {
        position: static;
    }

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

@media (max-width: 992px) {
    .articles-grid-featured {
        grid-template-columns: repeat(2, 1fr);
    }

    .article-card-hero {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    :root {
        --navbar-height: 64px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        align-items: flex-start;
        padding: calc(var(--navbar-height) + 3px + var(--space-xl)) var(--space-xl) var(--space-xl);
        transition: right var(--transition-base);
        border-left: 1px solid var(--border-subtle);
        overflow-y: auto;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }

    .nav-link {
        width: 100%;
        padding: var(--space-md);
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: transparent;
        border: none;
        box-shadow: none;
        padding-left: var(--space-lg);
    }

    .nav-actions {
        flex-direction: column;
        width: 100%;
        margin-top: var(--space-lg);
    }

    .nav-search {
        width: 100%;
    }

    .search-input {
        width: 100%;
    }

    .nav-btn {
        width: 100%;
        justify-content: center;
    }

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

    .hero {
        min-height: auto;
        padding: calc(var(--navbar-height) + 3px + var(--space-lg)) 0 var(--space-2xl);
    }

    .hero-content {
        padding: var(--space-lg) var(--space-md);
        border-radius: var(--radius-md);
        width: 100%;
    }

    .hero-title {
        font-size: clamp(1.6rem, 6vw, 2.4rem);
        line-height: 1.25;
        white-space: normal;
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-lg);
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn-gtd-primary,
    .hero-actions .btn-gtd-ghost {
        width: 100%;
        justify-content: center;
    }

    .hero-specs-bar {
        flex-direction: column;
        width: 100%;
        gap: var(--space-sm);
        padding: var(--space-md);
    }

    .spec-divider {
        display: none;
    }

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

    .article-card-hero {
        grid-column: span 1;
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .leaderboard-item {
        grid-template-columns: 50px 1fr;
        gap: var(--space-sm);
        padding: var(--space-md);
    }

    .leaderboard-stats {
        grid-column: 2;
        justify-content: flex-start;
        margin-top: var(--space-xs);
    }

    .cta-card {
        padding: var(--space-xl) var(--space-lg);
    }

    .cta-title {
        font-size: var(--font-size-2xl);
    }

    .section {
        padding: var(--space-2xl) 0;
    }

    .section-title {
        font-size: var(--font-size-xl);
    }

    .admin-stats {
        grid-template-columns: 1fr;
    }

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

    .flash-container {
        right: var(--space-md);
        left: var(--space-md);
        max-width: none;
    }

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

@media (max-width: 480px) {
    .categories-grid {
        grid-template-columns: 1fr;
    }

    .logo-tagline {
        display: none;
    }

    .hero-telemetry-badge {
        font-size: 0.7rem;
        padding: 4px 10px;
    }
}

/* ── URL Generator Section ─────────────────────────────────────────────── */
.url-generator {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-2xl);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.url-generator:hover {
    border-color: rgba(168, 85, 247, 0.2);
}

.url-generator-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    cursor: pointer;
    user-select: none;
    transition: background var(--transition-fast);
}

.url-generator-header:hover {
    background: var(--bg-card-hover);
}

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

.url-generator-header-left h2 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin: 0;
    background: linear-gradient(135deg, var(--gtd-violet), var(--accent-primary-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.url-generator-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.15), rgba(139, 92, 246, 0.1));
    border-radius: var(--radius-md);
    font-size: 1.2rem;
}

.url-generator-toggle {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    transition: transform var(--transition-fast);
}

.url-generator.expanded .url-generator-toggle {
    transform: rotate(180deg);
}

.url-generator-body {
    display: none;
    padding: 0 var(--space-xl) var(--space-xl);
}

.url-generator.expanded .url-generator-body {
    display: block;
}

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

.url-generator-body .form-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.url-count-badge {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--gtd-violet);
    background: rgba(168, 85, 247, 0.12);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    line-height: 1;
}

.url-style-selector {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.url-style-btn {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: var(--font-size-xs);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.url-style-btn:hover {
    background: rgba(168, 85, 247, 0.08);
    color: var(--text-primary);
}

.url-style-btn.active {
    border-color: var(--gtd-violet);
    background: rgba(168, 85, 247, 0.12);
    color: var(--gtd-violet);
}

.url-generate-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-md);
}

.url-generate-status {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.url-generate-status.error {
    color: var(--semantic-red);
}

.url-generate-status.success {
    color: var(--semantic-green);
}

.url-divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-2xl) 0;
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.url-divider::before,
.url-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-subtle);
}

@media (max-width: 768px) {
    .url-style-selector {
        flex-direction: column;
    }

    .url-generate-actions {
        flex-direction: column;
        align-items: stretch;
    }
}

/* ── Scraper Page ──────────────────────────────────────────────────────── */
.scraper-section-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.scraper-source-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.scraper-source-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.scraper-source-btn:hover {
    background: var(--bg-card-hover);
    border-color: rgba(168, 85, 247, 0.3);
}

.scraper-source-btn.active {
    background: rgba(168, 85, 247, 0.15);
    border-color: var(--gtd-violet);
    box-shadow: 0 0 12px rgba(168, 85, 247, 0.2);
}

.source-region {
    font-size: 1.2rem;
}

.scraper-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-2xl);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.scraper-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-subtle);
    border-top-color: var(--gtd-violet);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

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

.scraper-count {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    font-weight: 600;
}

.scraper-articles-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    background: var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-2xl);
}

.scraper-article-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--bg-card);
    transition: background var(--transition-fast);
}

.scraper-article-item:hover {
    background: var(--bg-card-hover);
}

.scraper-article-info {
    flex: 1;
    min-width: 0;
}

.scraper-article-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--space-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.scraper-article-snippet {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--space-xs);
}

.scraper-article-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.scraper-article-source {
    color: var(--accent-primary-hover);
    font-weight: 600;
}

.scraper-article-actions {
    display: flex;
    gap: var(--space-sm);
    flex-shrink: 0;
}

/* Editor Panel */
.scraper-editor {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

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

.scraper-editor-header .scraper-section-title {
    margin-bottom: 0;
}

.scraper-editor-source {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-subtle);
}

.scraper-editor-fields {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.scraper-rewrite-bar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.rewrite-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 600;
    margin-right: var(--space-sm);
}

.scraper-save-bar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-md);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
}

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

    .scraper-article-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .scraper-article-actions {
        width: 100%;
    }

    .scraper-rewrite-bar {
        flex-wrap: wrap;
    }

    .scraper-save-bar {
        flex-direction: column;
    }
}

/* ── Google Login Button ───────────────────────────────────────────────── */
.auth-google-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl) 0;
}

.btn-google {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    max-width: 320px;
    padding: 14px 28px;
    background: #ffffff;
    color: #3c4043;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-base);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15), 0 1px 3px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.btn-google::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.08), rgba(234, 67, 53, 0.08));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn-google:hover {
    color: #1a1a1a;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2), 0 2px 6px rgba(0, 0, 0, 0.12);
}

.btn-google:hover::before {
    opacity: 1;
}

.btn-google:active {
    transform: translateY(0);
}

.google-icon {
    flex-shrink: 0;
}

/* ── Auth Info Text ────────────────────────────────────────────────────── */
.auth-info {
    text-align: center;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-subtle);
}

.auth-info-text {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    line-height: 1.5;
}

/* ── Nav Avatar ────────────────────────────────────────────────────────── */
.nav-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--gtd-violet-dim);
    transition: border-color var(--transition-fast);
    flex-shrink: 0;
}

.nav-avatar:hover {
    border-color: var(--gtd-violet);
}

/* ── Ranking Sidebar ──────────────────────────────────────────────────── */

/* 2-column layout: Latest Articles + Ranking Sidebar */
.latest-with-ranking {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: var(--space-2xl);
    align-items: start;
}

.latest-articles-main {
    min-width: 0;
}

.latest-ranking-aside {
    position: sticky;
    top: calc(var(--navbar-height) + var(--space-lg));
}

/* Ranking container */
.ranking-sidebar {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition-base);
}

.ranking-sidebar:hover {
    border-color: var(--border-default);
}

/* Header */
.ranking-header {
    padding: var(--space-lg) var(--space-lg) 0;
}

.ranking-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

.ranking-title svg {
    color: var(--gtd-violet);
    flex-shrink: 0;
}

/* Tabs */
.ranking-tabs {
    display: flex;
    gap: 2px;
    padding: var(--space-md) var(--space-lg);
    background: transparent;
}

.ranking-tab {
    flex: 1;
    padding: 8px 4px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: var(--font-size-xs);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    white-space: nowrap;
}

.ranking-tab:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border-color: var(--border-default);
}

.ranking-tab.active {
    background: var(--accent-gradient);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 2px 12px var(--gtd-violet-glow);
}

/* Ranking list */
.ranking-list {
    padding: 0 var(--space-md) var(--space-md);
}

.ranking-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px var(--space-sm);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
    border-bottom: 1px solid var(--border-subtle);
}

.ranking-item:last-child {
    border-bottom: none;
}

.ranking-item:hover {
    background: var(--bg-card-hover);
    transform: translateX(3px);
}

/* Rank badge */
.ranking-rank {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-family: var(--font-tech);
    font-size: var(--font-size-xs);
    font-weight: 700;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.ranking-rank-top {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 2px 8px var(--gtd-violet-glow);
}

.ranking-item:first-child .ranking-rank-top {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-sm);
}

/* Ranking info */
.ranking-info {
    flex: 1;
    min-width: 0;
}

.ranking-category {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    color: var(--gtd-violet);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 2px;
}

.ranking-item-title {
    font-family: var(--font-sans);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-fast);
}

.ranking-item:hover .ranking-item-title {
    color: var(--gtd-violet);
}

/* Views counter */
.ranking-views {
    display: flex;
    align-items: center;
    gap: 3px;
    font-family: var(--font-tech);
    font-size: 10px;
    color: var(--text-tertiary);
    white-space: nowrap;
    flex-shrink: 0;
}

.ranking-views svg {
    opacity: 0.6;
}

/* Empty state */
.ranking-empty {
    padding: var(--space-xl) var(--space-md);
    text-align: center;
}

.ranking-empty p {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

/* Loading state */
.ranking-list.loading {
    opacity: 0.5;
    pointer-events: none;
    position: relative;
    min-height: 100px;
}

.ranking-list.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border: 2px solid var(--border-subtle);
    border-top-color: var(--gtd-violet);
    border-radius: 50%;
    animation: ranking-spin 0.6s linear infinite;
}

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

/* ── Ranking Sidebar Responsive ───────────────────────────────────────── */
@media (max-width: 1024px) {
    .latest-with-ranking {
        grid-template-columns: 1fr;
    }

    .latest-ranking-aside {
        position: static;
    }

    .ranking-sidebar {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .ranking-tabs {
        padding: var(--space-sm) var(--space-md);
    }

    .ranking-tab {
        padding: 6px 2px;
        font-size: 11px;
    }

    .ranking-item {
        padding: 8px var(--space-xs);
    }
}