/* ==================== CSS Variables ==================== */
:root {
    /* Colors - Light mode with clean palette */
    --bg-primary: #F7F4F2;
    --bg-secondary: #FFFFFF;
    --bg-card: rgba(0, 0, 0, 0.03);
    --bg-card-hover: rgba(0, 0, 0, 0.06);

    --text-primary: #000000;
    --text-secondary: rgba(0, 0, 0, 0.56);
    --text-muted: rgba(0, 0, 0, 0.4);

    --accent-primary: #044974;
    --accent-secondary: #033a5c;
    --accent-glow: rgba(4, 73, 116, 0.2);

    --danger: #dc3545;
    --warning: #f59e0b;
    --success: #10b981;

    --border-subtle: rgba(0, 0, 0, 0.1);
    --border-accent: rgba(4, 73, 116, 0.3);

    /* Typography */
    --font-display: 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* 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;

    /* Borders - Reduced radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================== Corner Accent Utility ==================== */
.corner-accent {
    position: relative;
    border-radius: 0 !important;
}

.corner-accent::before,
.corner-accent::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    border-color: var(--text-primary);
    border-style: solid;
    pointer-events: none;
}

.corner-accent::before {
    bottom: 0;
    left: 0;
    border-width: 0 0 2px 2px;
}

.corner-accent::after {
    bottom: 0;
    right: 0;
    border-width: 0 2px 2px 0;
}

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

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

body {
    font-family: var(--font-display);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* ==================== Background Effects ==================== */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    z-index: 1000;
}

.gradient-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    z-index: -1;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(36, 67, 204, 0.15) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation: float 20s ease-in-out infinite;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(100, 100, 255, 0.1) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    33% {
        transform: translate(30px, -30px) rotate(5deg);
    }

    66% {
        transform: translate(-20px, 20px) rotate(-5deg);
    }
}

/* ==================== Header ==================== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) var(--space-2xl);
    border-bottom: 1px solid var(--border-subtle);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    font-size: 1.25rem;
}

.logo-icon {
    color: var(--accent-primary);
    font-size: 1.5rem;
}

.badge {
    display: 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-full);
    font-size: 0.8rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

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

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

/* ==================== API Key Modal ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.modal-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    max-width: 450px;
    width: 90%;
    text-align: center;
    transform: scale(0.9);
    transition: var(--transition-base);
}

.modal-overlay.visible .modal {
    transform: scale(1);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.modal p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.modal a {
    color: var(--accent-primary);
}

.api-key-input {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    outline: none;
    transition: var(--transition-fast);
}

.api-key-input:focus {
    border-color: var(--accent-primary);
}

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

.modal-btn {
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
}

.modal-btn.primary {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.modal-btn.primary:hover {
    background: var(--accent-secondary);
}

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

.modal-btn.secondary:hover {
    border-color: var(--text-secondary);
}

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

.settings-btn {
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    padding: var(--space-sm);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

/* ==================== Main Content ==================== */
.main {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-xl);
}

/* ==================== Hero Section ==================== */
.hero {
    position: relative;
    text-align: center;
    margin-bottom: var(--space-3xl);
}

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

.hero-image {
    position: absolute;
    top: -50px;
    right: -10px;
    z-index: 2;
}

.hero-polaroid {
    width: 260px;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow:
        0 4px 20px rgba(0, 0, 0, 0.3),
        0 0 0 6px rgba(255, 255, 255, 0.05);
    transform: rotate(5deg);
    transition: transform 0.3s ease;
}

.hero-polaroid:hover {
    transform: rotate(0deg) scale(1.05);
}

.title {
    font-size: clamp(3.75rem, 9vw, 6rem);
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.title-line {
    display: block;
}

.title-line.accent {
    color: var(--text-secondary);
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.subtitle em {
    color: var(--accent-primary);
    font-style: normal;
    font-weight: 500;
}

/* ==================== GitHub Imports ==================== */
.github-imports {
    margin-bottom: 1.5rem;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 0;
}

.github-imports.collapsed .github-input-group {
    display: none;
}

.toggle-github-btn {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

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

/* PR Pool Section */
.pr-pool-section {
    margin-bottom: 1.5rem;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 0;
}

.pool-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.pool-hint {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.pr-pool {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.pool-card {
    background: var(--bg-card);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.pool-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.pool-card.selected {
    border-color: var(--accent-primary);
    background: rgba(4, 73, 116, 0.08);
    box-shadow: 0 2px 8px var(--accent-glow);
}

.pool-card.selected::after {
    content: 'PR' attr(data-slot);
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent-primary);
    background: var(--bg-primary);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--accent-primary);
}

.pool-badge {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
}

.pool-badge.duplicate {
    background: rgba(255, 68, 102, 0.2);
    color: var(--danger);
}

.pool-badge.unique {
    background: rgba(0, 255, 136, 0.2);
    color: var(--success);
}

.pool-pr-num {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

.pool-pr-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.pool-pr-files {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.pool-selection {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--border-subtle);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.github-input-group {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.gh-input {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.8rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.gh-input:focus {
    border-color: var(--accent-primary);
    outline: none;
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.gh-btn {
    background: var(--accent-primary);
    border: none;
    padding: 0.8rem 1.5rem;
    color: #FFFFFF;
    font-family: var(--font-display);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

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

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

.gh-btn.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* ==================== PR Cards ==================== */
.demo-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.pr-inputs {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.pr-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 0;
    padding: var(--space-lg);
    transition: var(--transition-base);
    position: relative;
}

/* Corner accents */
.pr-card::before,
.pr-card::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    border-color: var(--text-primary);
    border-style: solid;
}

.pr-card::before {
    bottom: 0;
    left: 0;
    border-width: 0 0 2px 2px;
}

.pr-card::after {
    bottom: 0;
    right: 0;
    border-width: 0 2px 2px 0;
}

.pr-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
}

.pr-card:hover::before,
.pr-card:hover::after {
    border-color: var(--accent-primary);
}

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

.pr-number {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--text-secondary);
}

.pr-status {
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

.pr-status.open {
    background: rgba(0, 255, 136, 0.1);
    color: var(--accent-primary);
}

.pr-title {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-subtle);
    padding: var(--space-sm) 0;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    outline: none;
    transition: var(--transition-fast);
}

.pr-title:focus {
    border-color: var(--accent-primary);
}

.pr-body {
    width: 100%;
    min-height: 80px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: var(--space-md);
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--text-secondary);
    resize: vertical;
    outline: none;
    transition: var(--transition-fast);
}

.pr-body:focus {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.pr-files {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.files-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.files-input {
    flex: 1;
    background: transparent;
    border: none;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-secondary);
    outline: none;
}

/* Code Diff Section */
.pr-diff-section {
    margin-top: var(--space-md);
    border-top: 1px solid var(--border-subtle);
    padding-top: var(--space-sm);
}

.diff-toggle {
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: var(--space-sm) 0;
    user-select: none;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.diff-toggle:hover {
    color: var(--accent-primary);
}

.pr-diff {
    width: 100%;
    min-height: 150px;
    max-height: 300px;
    background: #FFFFFF;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: var(--space-md);
    margin-top: var(--space-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.6;
    resize: vertical;
    white-space: pre;
    overflow-x: auto;
    outline: none;
    transition: var(--transition-fast);
}

.pr-diff:focus {
    border-color: var(--accent-primary);
}

.vs-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-subtle);
    border-radius: 50%;
    font-weight: 700;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==================== Analyze Button ==================== */
.analyze-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
    max-width: 400px;
    margin: var(--space-xl) auto;
    padding: var(--space-lg) var(--space-2xl);
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    border: none;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--bg-primary);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.analyze-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.analyze-btn:hover::before {
    left: 100%;
}

.analyze-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px var(--accent-glow);
}

.analyze-btn.loading {
    pointer-events: none;
}

.analyze-btn.loading .btn-text,
.analyze-btn.loading .btn-icon {
    opacity: 0;
}

.analyze-btn.loading .btn-loader {
    opacity: 1;
}

.btn-loader {
    position: absolute;
    width: 24px;
    height: 24px;
    border: 3px solid rgba(0, 0, 0, 0.2);
    border-top-color: var(--bg-primary);
    border-radius: 50%;
    opacity: 0;
    animation: spin 0.8s linear infinite;
}

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

/* ==================== Pipeline Section ==================== */
.pipeline-section {
    margin-top: var(--space-2xl);
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-slow);
}

.pipeline-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.pipeline-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--text-secondary);
}

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

.stage {
    display: grid;
    grid-template-columns: 50px 1fr auto;
    gap: var(--space-md);
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    opacity: 0.4;
    transition: var(--transition-base);
}

.stage.active {
    opacity: 1;
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px var(--accent-glow);
}

.stage.complete {
    opacity: 1;
    border-color: var(--border-subtle);
}

.stage-indicator {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 2px solid var(--border-subtle);
    border-radius: 50%;
    font-family: var(--font-mono);
    font-weight: 600;
    position: relative;
}

.stage.active .stage-indicator {
    border-color: var(--accent-primary);
    animation: pulse 1s ease-in-out infinite;
}

.stage.complete .stage-indicator {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.stage-check {
    display: none;
    color: var(--bg-primary);
}

.stage.complete .stage-number {
    display: none;
}

.stage.complete .stage-check {
    display: block;
}

.stage-content h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.stage-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.stage-result {
    font-size: 0.85rem;
    color: var(--accent-primary);
    margin-top: var(--space-xs);
    font-family: var(--font-mono);
}

.stage-score {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent-primary);
    min-width: 60px;
    text-align: right;
}

.badge-scale {
    font-size: 0.7em;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 8px;
    vertical-align: middle;
    font-weight: 400;
}

/* ==================== Result Section ==================== */
.result-section {
    margin-top: var(--space-2xl);
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-slow);
}

.result-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.result-card {
    background: linear-gradient(135deg, rgba(255, 68, 102, 0.1) 0%, rgba(0, 255, 136, 0.05) 100%);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
}

.result-card.duplicate {
    background: linear-gradient(135deg, rgba(255, 68, 102, 0.15) 0%, rgba(255, 68, 102, 0.05) 100%);
    border-color: rgba(255, 68, 102, 0.3);
}

.result-card.safe {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.15) 0%, rgba(0, 255, 136, 0.05) 100%);
    border-color: var(--border-accent);
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.result-icon {
    font-size: 2rem;
}

.result-label {
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.result-card.duplicate .result-label {
    color: var(--danger);
}

.result-card.safe .result-label {
    color: var(--success);
}

.result-score {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-xl);
}

.score-ring {
    position: relative;
    width: 150px;
    height: 150px;
}

.score-ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.score-bg {
    fill: none;
    stroke: var(--bg-secondary);
    stroke-width: 8;
}

.score-fill {
    fill: none;
    stroke: var(--danger);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    transition: stroke-dashoffset 1s ease-out;
}

.result-card.safe .score-fill {
    stroke: var(--success);
}

.score-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.result-explanation {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
}

.result-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    max-width: 400px;
    margin: 0 auto;
}

.breakdown-item {
    display: grid;
    grid-template-columns: 1fr 120px 50px;
    align-items: center;
    gap: var(--space-md);
}

.breakdown-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: left;
}

.breakdown-bar {
    height: 6px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.breakdown-fill {
    height: 100%;
    background: var(--accent-primary);
    border-radius: var(--radius-full);
    transition: width 0.8s ease-out;
}

.breakdown-value {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-align: right;
}

/* ==================== Architecture Section ==================== */
.architecture-section {
    margin-top: var(--space-3xl);
    padding-top: var(--space-3xl);
    border-top: 1px solid var(--border-subtle);
}

.architecture-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-xl);
    text-align: center;
}

.arch-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
}

.arch-flow {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    justify-content: center;
}

.arch-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    min-width: 120px;
    transition: var(--transition-base);
}

.arch-node:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
}

.arch-node.gemini {
    border-color: var(--accent-primary);
    box-shadow: 0 0 30px var(--accent-glow);
}

.arch-icon {
    font-size: 1.5rem;
}

.arch-node span:last-child {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
}

.arch-arrow {
    color: var(--text-muted);
    font-size: 1.5rem;
}

/* ==================== Footer ==================== */
.footer {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-subtle);
    margin-top: var(--space-3xl);
}

/* ==================== Responsive ==================== */
@media (max-width: 1024px) {
    .hero-image {
        position: static;
        display: flex;
        justify-content: center;
        margin-top: var(--space-xl);
    }

    .hero-polaroid {
        width: 200px;
        transform: rotate(2deg);
    }

    .hero {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero-polaroid {
        width: 160px;
    }

    .title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .pr-inputs {
        grid-template-columns: 1fr;
    }

    .vs-divider {
        width: 40px;
        height: 40px;
        margin: 0 auto;
    }

    .github-input-group {
        flex-direction: column;
    }

    .gh-input {
        width: 100%;
    }

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

    .pool-card {
        padding: 0.75rem;
    }

    .pool-pr-title {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .hero-polaroid {
        width: 140px;
    }

    .title {
        font-size: clamp(1.75rem, 10vw, 2.5rem);
    }

    .pr-pool {
        grid-template-columns: 1fr;
    }

    .analyze-btn {
        width: 100%;
    }

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