/* ============================================
   uv-prefetch Dashboard — Premium Dark Theme
   ============================================ */

:root {
    --bg-primary: #06070e;
    --bg-secondary: #0d0f1a;
    --bg-card: rgba(15, 18, 35, 0.75);
    --bg-card-hover: rgba(20, 24, 48, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(124, 92, 252, 0.3);

    --text-primary: #e8eaf0;
    --text-secondary: #8b8fa3;
    --text-muted: #555870;

    --accent-purple: #7c5cfc;
    --accent-purple-glow: rgba(124, 92, 252, 0.2);
    --accent-blue: #00d4ff;
    --accent-blue-glow: rgba(0, 212, 255, 0.15);
    --accent-green: #10e88c;
    --accent-green-glow: rgba(16, 232, 140, 0.15);
    --accent-red: #ff4d6a;
    --accent-red-glow: rgba(255, 77, 106, 0.15);
    --accent-yellow: #fbbf24;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--accent-purple-glow);

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

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

code {
    font-family: var(--font-mono);
    background: rgba(124, 92, 252, 0.12);
    color: var(--accent-purple);
    padding: 2px 7px;
    border-radius: 5px;
    font-size: 0.88em;
}

/* ---- Background Particles ---- */
.bg-particles {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.bg-particles::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(ellipse 600px 600px at 20% 20%, rgba(124, 92, 252, 0.07), transparent),
        radial-gradient(ellipse 500px 500px at 80% 30%, rgba(0, 212, 255, 0.05), transparent),
        radial-gradient(ellipse 400px 400px at 50% 80%, rgba(16, 232, 140, 0.04), transparent);
    animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(1deg); }
    66% { transform: translate(-20px, 20px) rotate(-1deg); }
}

.particle {
    position: absolute;
    background: var(--accent-purple);
    border-radius: 50%;
    opacity: 0.15;
    animation: particleDrift linear infinite;
}

@keyframes particleDrift {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 0.15; }
    90% { opacity: 0.15; }
    100% { transform: translateY(-100px) scale(1); opacity: 0; }
}

/* ---- Header ---- */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(6, 7, 14, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-badge {
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 3px 7px;
    border-radius: 5px;
    background: var(--accent-purple-glow);
    color: var(--accent-purple);
    border: 1px solid rgba(124, 92, 252, 0.2);
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}
.nav-link:hover { color: var(--text-primary); }

.nav-divider {
    width: 1px;
    height: 16px;
    background: var(--border);
}

.nav-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-red);
    transition: background var(--transition-normal);
}

.status-dot.connected {
    background: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green-glow);
}

/* ---- Main ---- */
.main {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 80px;
}

/* ---- Hero ---- */
.hero {
    padding: 80px 0 40px;
    text-align: center;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.hero-title-line {
    display: block;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% center; }
    50% { background-position: 100% center; }
    100% { background-position: 0% center; }
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 28px;
    line-height: 1.7;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 500;
    border: 1px solid;
    transition: transform var(--transition-fast);
}
.badge:hover { transform: translateY(-1px); }

.badge-purple {
    background: var(--accent-purple-glow);
    color: var(--accent-purple);
    border-color: rgba(124, 92, 252, 0.2);
}
.badge-blue {
    background: var(--accent-blue-glow);
    color: var(--accent-blue);
    border-color: rgba(0, 212, 255, 0.2);
}
.badge-green {
    background: var(--accent-green-glow);
    color: var(--accent-green);
    border-color: rgba(16, 232, 140, 0.2);
}

/* ---- Section ---- */
.section {
    margin-bottom: 32px;
    animation: fadeInUp 0.5s ease both;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.section-number {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-purple);
    background: var(--accent-purple-glow);
    padding: 4px 10px;
    border-radius: 6px;
    font-family: var(--font-mono);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-purple), #5b3de8);
    color: white;
    box-shadow: 0 4px 16px var(--accent-purple-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--accent-purple-glow);
}
.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-secondary:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border-hover);
}

/* ---- Upload Zone ---- */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 4px;
    transition: all var(--transition-normal);
    cursor: pointer;
}
.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--accent-purple);
    background: var(--accent-purple-glow);
}
.upload-zone.dragover { transform: scale(1.01); }

.upload-zone-inner {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 48px 24px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.upload-icon {
    color: var(--text-muted);
    margin-bottom: 16px;
    transition: color var(--transition-normal), transform var(--transition-normal);
}
.upload-zone:hover .upload-icon {
    color: var(--accent-purple);
    transform: translateY(-4px);
}

.upload-text {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.upload-subtext {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.upload-actions {
    display: flex;
    justify-content: center;
    margin-top: 16px;
}

.upload-zone.success {
    border-color: var(--accent-green);
    background: var(--accent-green-glow);
}
.upload-zone.success .upload-icon { color: var(--accent-green); }

/* ---- Stats Row ---- */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
    animation: fadeInUp 0.5s ease both;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}
.stat-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.stat-icon-purple { background: var(--accent-purple-glow); color: var(--accent-purple); }
.stat-icon-green { background: var(--accent-green-glow); color: var(--accent-green); }
.stat-icon-red { background: var(--accent-red-glow); color: var(--accent-red); }
.stat-icon-blue { background: var(--accent-blue-glow); color: var(--accent-blue); }

.stat-info { display: flex; flex-direction: column; }

.stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ---- Packages Table ---- */
.table-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.packages-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.packages-table thead th {
    text-align: left;
    padding: 14px 16px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.2);
}

.packages-table tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background var(--transition-fast);
}
.packages-table tbody tr:hover { background: rgba(124, 92, 252, 0.04); }
.packages-table tbody tr:last-child { border-bottom: none; }

.packages-table td {
    padding: 12px 16px;
    color: var(--text-secondary);
}

.pkg-name {
    font-weight: 600;
    color: var(--text-primary);
}

.pkg-version {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--accent-blue);
}

.pkg-hash {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pkg-source {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.pkg-status {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 600;
}
.pkg-status.pending { background: rgba(255, 255, 255, 0.05); color: var(--text-muted); }
.pkg-status.downloading {
    background: var(--accent-blue-glow);
    color: var(--accent-blue);
    animation: pulse 1.5s infinite;
}
.pkg-status.success { background: var(--accent-green-glow); color: var(--accent-green); }
.pkg-status.failed { background: var(--accent-red-glow); color: var(--accent-red); }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ---- Console ---- */
.console-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.progress-bar-wrapper {
    width: 160px;
    height: 6px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue));
    border-radius: 3px;
    transition: width var(--transition-smooth);
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.2) 50%, transparent 100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    from { transform: translateX(-100%); }
    to { transform: translateX(100%); }
}

.console-progress-text {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent-purple);
    font-weight: 600;
    min-width: 36px;
}

.console {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.console-lines {
    padding: 16px;
    max-height: 320px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.8;
}

.console-line {
    display: flex;
    gap: 10px;
    animation: lineIn 0.2s ease both;
}

@keyframes lineIn {
    from { opacity: 0; transform: translateX(-8px); }
    to { opacity: 1; transform: translateX(0); }
}

.console-time {
    color: var(--text-muted);
    flex-shrink: 0;
}

.console-msg { color: var(--text-secondary); }
.console-msg.info { color: var(--text-secondary); }
.console-msg.success { color: var(--accent-green); }
.console-msg.error { color: var(--accent-red); }
.console-msg.warning { color: var(--accent-yellow); }

/* ---- SBOM Viewer ---- */
.sbom-viewer {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.sbom-viewer pre {
    padding: 20px;
    margin: 0;
    max-height: 400px;
    overflow: auto;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.sbom-key { color: var(--accent-purple); }
.sbom-string { color: var(--accent-green); }
.sbom-number { color: var(--accent-blue); }

/* ---- Cache Grid ---- */
.cache-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}

.cache-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    transition: all var(--transition-normal);
}
.cache-item:hover {
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.cache-item-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--accent-green-glow);
    color: var(--accent-green);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cache-item-info { flex: 1; min-width: 0; }

.cache-item-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cache-item-size {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* ---- Footer ---- */
.footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 40px 24px;
    border-top: 1px solid var(--border);
}

.footer-inner p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.footer-inner strong {
    color: var(--accent-purple);
    font-weight: 600;
}
.footer-sub {
    margin-top: 6px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ---- Custom Scrollbar ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.15); }

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .header-inner { padding: 0 16px; }
    .main { padding: 0 16px 60px; }
    .hero { padding: 48px 0 24px; }
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 0.92rem; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .packages-table { font-size: 0.78rem; }
    .progress-bar-wrapper { width: 100px; }
}

/* ---- Animations for section reveal ---- */
.section[style*="display: none"] { display: none !important; }

.section.visible {
    display: block;
    animation: fadeInUp 0.5s ease both;
}

/* ---- Loading Spinner ---- */
.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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