/* ============================================================
   Obrioxia API Spend Recorder — Design System
   Dark navy theme · Glassmorphism · FinOps aesthetic
   ============================================================ */

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

/* --- Design Tokens ----------------------------------------- */
:root {
    /* Backgrounds */
    --bg-primary: #000000;
    --bg-secondary: #121C2D;
    --bg-tertiary: #1A2639;
    --bg-glass: rgba(18, 28, 45, 0.7);
    --bg-glass-hover: rgba(18, 28, 45, 0.9);

    /* Accent — The Laser Cyan */
    --accent-primary: #00F0FF;
    --accent-secondary: #00F0FF;
    --accent-glow: rgba(0, 240, 255, 0.15);
    --accent-glow-strong: rgba(0, 240, 255, 0.35);

    /* Cool blue accent */
    --blue-primary: #00F0FF;
    --blue-secondary: #60a5fa;
    --blue-glow: rgba(0, 240, 255, 0.15);

    /* Status - Terminal Green for Verify */
    --status-success: #00FF41;
    --status-error: #ef4444;
    --status-warning: #f59e0b;
    --status-info: #00F0FF;

    /* Text */
    --text-primary: #FFFFFF;
    --text-secondary: #94A3B8;
    --text-muted: #64748b;

    /* Borders */
    --border-subtle: rgba(148, 163, 184, 0.1);
    --border-default: rgba(148, 163, 184, 0.2);
    --border-accent: rgba(0, 240, 255, 0.3);

    /* Typography */
    --font-sans: 'General Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 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;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--accent-glow);
    --shadow-glow-strong: 0 0 30px var(--accent-glow-strong);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    background-image: radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.04) 0%, transparent 70%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

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

button {
    cursor: pointer;
    font-family: var(--font-sans);
    border: none;
    background: none;
    color: inherit;
}

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

input, select {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus, select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* --- Floating Nav -------------------------------------------- */
.floating-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    pointer-events: none;
    display: flex;
    justify-content: center;
    padding-top: 1rem;
}

.floating-nav__inner {
    pointer-events: auto;
    width: 100%;
    max-width: 1200px;
    margin: 0 1rem;
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.35);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

@media (min-width: 1024px) {
    .floating-nav__inner {
        padding: 1rem 2.5rem;
    }
}

.floating-nav__brand {
    display: flex;
    align-items: center;
}

.floating-nav__brand img {
    height: 32px;
    width: auto;
    object-fit: contain;
    transition: opacity 0.3s;
}
.floating-nav__brand img:hover {
    opacity: 0.8;
}

.floating-nav__links {
    display: flex;
    gap: 24px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.floating-nav__links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s;
    text-transform: uppercase;
}

.floating-nav__links a:hover,
.floating-nav__links a.active {
    color: #FFFFFF;
}

.floating-nav__actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* --- Chain Badge ------------------------------------------- */
.chain-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    border: 1px solid var(--border-default);
    transition: all var(--transition-base);
    cursor: pointer;
}

.chain-badge__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: background var(--transition-fast);
}

.chain-badge.verified {
    border-color: rgba(0, 255, 65, 0.4);
    background: rgba(0, 255, 65, 0.08);
    color: var(--status-success);
}

.chain-badge.verified .chain-badge__dot {
    background: var(--status-success);
    box-shadow: 0 0 8px var(--status-success);
    animation: pulse-dot 2s infinite;
}

.chain-badge.broken {
    border-color: rgba(239, 68, 68, 0.4);
    background: rgba(239, 68, 68, 0.08);
    color: #fca5a5;
    animation: pulse-error 1.5s infinite;
}

.chain-badge.broken .chain-badge__dot {
    background: var(--status-error);
    box-shadow: 0 0 8px var(--status-error);
}

.chain-badge.loading {
    color: var(--text-muted);
}

.chain-badge.loading .chain-badge__dot {
    animation: shimmer-dot 1.5s infinite;
}

/* --- Hero Section ------------------------------------------ */
@keyframes slowGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero {
    text-align: center;
    padding: 12rem 1rem 6rem 1rem;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: -50%;
    z-index: -2;
    background: radial-gradient(circle at 50% 50%, rgba(0, 240, 255, 0.1) 0%, transparent 40%),
                radial-gradient(circle at 80% 20%, rgba(0, 0, 0, 0.8) 0%, transparent 60%);
    background-size: 200% 200%;
    animation: slowGradient 20s ease-in-out infinite alternate;
    opacity: 0.7;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image: url('data:image/svg+xml,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.85" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)" opacity="0.06"/%3E%3C/svg%3E');
    pointer-events: none;
}

.hero__inner {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    font-size: 0.75rem;
    font-weight: 500;
    color: #cbd5e1;
    margin-bottom: 2rem;
    letter-spacing: 0.02em;
    backdrop-filter: blur(4px);
}

.hero__badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ffffff;
    opacity: 0.8;
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 500;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: #ffffff;
    font-family: 'General Sans', sans-serif;
    letter-spacing: -0.02em;
}

.hero__title-gradient {
    background: linear-gradient(to right, var(--accent-primary), rgba(0, 240, 255, 0.7));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: rgba(255, 255, 255, 0.7);
    max-width: 680px;
    margin: 0 auto 3rem auto;
    line-height: 1.6;
}

.proof-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.proof-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.proof-chip__label {
    color: var(--text-muted);
}

.proof-chip__value {
    font-weight: 600;
}

.text-success { color: var(--status-success); }
.text-cyan { color: var(--accent-primary); }
.text-muted { color: var(--text-muted); }

/* --- Glass Panels ------------------------------------------ */
.glass-panel {
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.glass-panel:hover {
    border-color: rgba(0, 240, 255, 0.5);
}

/* --- Main Content ------------------------------------------ */
main {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 8rem 1rem 4rem 1rem;
}

/* --- Section ----------------------------------------------- */
.section {
    margin-bottom: var(--space-2xl);
    animation: fadeIn 0.5s ease both;
}

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

.section__title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.section__title::before {
    content: '';
    width: 3px;
    height: 1.2em;
    background: var(--accent-primary);
    border-radius: 2px;
}

.section__subtitle {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* --- Stat Card --------------------------------------------- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.stat-card {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
    animation: slideUp 0.4s ease both;
}

.stat-card:nth-child(1) { animation-delay: 0.05s; }
.stat-card:nth-child(2) { animation-delay: 0.10s; }
.stat-card:nth-child(3) { animation-delay: 0.15s; }
.stat-card:nth-child(4) { animation-delay: 0.20s; }

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

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--blue-primary));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.stat-card:hover::after {
    opacity: 1;
}

.stat-card__icon {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    opacity: 0.8;
}

.stat-card__value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: var(--space-xs);
    transition: color var(--transition-fast);
}

.stat-card__label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-card--danger .stat-card__value {
    color: var(--status-error);
}

.stat-card--accent .stat-card__value {
    color: var(--accent-secondary);
}

/* --- Cost Value -------------------------------------------- */
.cost-value {
    color: var(--accent-secondary);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.cost-value::before {
    content: '$';
    opacity: 0.6;
    font-size: 0.85em;
}

/* --- Status Dot -------------------------------------------- */
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-dot--success {
    background: var(--status-success);
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.5);
}

.status-dot--error {
    background: var(--status-error);
    box-shadow: 0 0 6px rgba(239, 68, 68, 0.5);
}

.status-dot--warning {
    background: var(--status-warning);
    box-shadow: 0 0 6px rgba(245, 158, 11, 0.5);
}

/* --- Data Table -------------------------------------------- */
.data-table-wrapper {
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
}
.data-table-wrapper:hover {
    border-color: rgba(0, 240, 255, 0.5);
}

.data-table {
    width: 100%;
    font-size: 0.8125rem;
}

.data-table thead {
    background: rgba(0, 0, 0, 0.2);
}

.data-table th {
    text-align: left;
    padding: var(--space-md) var(--space-md);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--border-subtle);
    white-space: nowrap;
}

.data-table td {
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

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

.data-table .text-right {
    text-align: right;
}

.data-table .text-center {
    text-align: center;
}

.data-table .mono {
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

/* Table overflow for wide tables */
.table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* --- Bar Chart --------------------------------------------- */
.bar-chart {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

.bar-chart__row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    min-height: 36px;
}

.bar-chart__label {
    flex: 0 0 140px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-align: right;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bar-chart__track {
    flex: 1;
    height: 28px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.bar-chart__bar {
    height: 100%;
    border-radius: var(--radius-sm);
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    min-width: 2px;
    transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    display: flex;
    align-items: center;
    padding-left: var(--space-sm);
}

.bar-chart__bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 60%, rgba(255,255,255,0.1));
    border-radius: var(--radius-sm);
}

.bar-chart__bar:hover {
    filter: brightness(1.15);
}

.bar-chart__bar--blue {
    background: linear-gradient(90deg, var(--blue-primary), var(--blue-secondary));
}

.bar-chart__value {
    flex: 0 0 90px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    text-align: right;
}

/* --- Hash Display ------------------------------------------ */
.hash-display {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--blue-secondary);
    background: rgba(59, 130, 246, 0.08);
    padding: 2px var(--space-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.hash-display:hover {
    background: rgba(59, 130, 246, 0.15);
    color: var(--blue-primary);
}

.hash-display::after {
    content: '⎘';
    font-size: 0.875rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
    flex-shrink: 0;
}

.hash-display:hover::after {
    opacity: 0.6;
}

.hash-display.copied {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-secondary);
}

.hash-display.copied::after {
    content: '✓';
    opacity: 1;
}

/* --- Event Timeline ---------------------------------------- */
.event-timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.event-timeline__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border-subtle);
    position: relative;
    animation: fadeIn 0.3s ease both;
}

.event-timeline__item:last-child {
    border-bottom: none;
}

.event-timeline__marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding-top: 4px;
    position: relative;
}

.event-timeline__marker .status-dot {
    z-index: 1;
}

.event-timeline__marker::after {
    content: '';
    width: 1px;
    flex: 1;
    background: var(--border-default);
    position: absolute;
    top: 18px;
    bottom: -16px;
}

.event-timeline__item:last-child .event-timeline__marker::after {
    display: none;
}

.event-timeline__content {
    flex: 1;
    min-width: 0;
}

.event-timeline__header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.event-timeline__model {
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--text-primary);
}

.event-timeline__workflow {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 1px var(--space-sm);
    border-radius: var(--radius-sm);
}

.event-timeline__meta {
    display: flex;
    gap: var(--space-md);
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

.event-timeline__cost {
    font-weight: 600;
    color: var(--accent-secondary);
}

/* --- Buttons ----------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 11px 29px;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 9999px;
    transition: all var(--transition-fast);
    white-space: nowrap;
    cursor: pointer;
}

.btn--primary {
    background: #ffffff;
    color: #000000;
    box-shadow: 0 -1px 2px rgba(255,255,255,0.8) inset;
    border: 0.6px solid #ffffff;
}

.btn--primary:hover {
    background: #e5e7eb;
    transform: translateY(-1px);
}

.btn--secondary {
    background: transparent;
    color: #ffffff;
    border: 0.6px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(4px);
}

.btn--secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
}

.btn--ghost {
    color: var(--text-secondary);
    padding: var(--space-sm) var(--space-md);
    border-radius: 9999px;
}

.btn--accent {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn--accent:hover {
    background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
}

/* --- Pack Card --------------------------------------------- */
.pack-result-section {
    margin-bottom: var(--space-xl);
}

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

.pack-card--error {
    border: 1px solid rgba(239, 68, 68, 0.3);
    background: rgba(239, 68, 68, 0.05);
}

.pack-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pack-card__icon {
    font-size: 1.5rem;
}

.pack-card__title {
    font-size: 1.25rem;
    font-weight: 600;
}

.pack-card__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.pack-card__item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pack-card__label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.pack-card__value {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-primary);
}

.pack-card__actions {
    display: flex;
    gap: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}
    color: var(--text-secondary);
    padding: var(--space-sm) var(--space-md);
    border-radius: 9999px;
}

.btn--ghost:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn--danger {
    background: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn--danger:hover {
    background: rgba(239, 68, 68, 0.2);
}

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

/* --- Filter Bar -------------------------------------------- */
.filter-bar {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    padding: var(--space-lg);
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
}

.filter-bar label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.filter-bar__group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

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

.pagination__info {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

/* --- Loading Skeleton -------------------------------------- */
.loading-skeleton {
    position: relative;
    overflow: hidden;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    color: transparent !important;
    user-select: none;
    pointer-events: none;
}

.loading-skeleton * {
    visibility: hidden;
}

.loading-skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.04) 40%,
        rgba(255, 255, 255, 0.08) 50%,
        rgba(255, 255, 255, 0.04) 60%,
        transparent 100%
    );
    animation: shimmer 1.8s infinite;
}

.skeleton-line {
    height: 14px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    position: relative;
    overflow: hidden;
}

.skeleton-line::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.04) 40%,
        rgba(255, 255, 255, 0.08) 50%,
        rgba(255, 255, 255, 0.04) 60%,
        transparent 100%
    );
    animation: shimmer 1.8s infinite;
}

.skeleton-line--short { width: 60%; }
.skeleton-line--medium { width: 80%; }
.skeleton-line--long { width: 95%; }

/* --- Empty State ------------------------------------------- */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl) var(--space-xl);
    text-align: center;
    color: var(--text-muted);
}

.empty-state__icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

.empty-state__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.empty-state__text {
    font-size: 0.875rem;
    max-width: 320px;
    line-height: 1.5;
}

/* --- Report Section ---------------------------------------- */
.report-section {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.report-section__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-subtle);
}

.report-controls {
    display: flex;
    align-items: flex-end;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-xl);
}

.report-controls__group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.report-controls__group label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* --- Anomaly Card ------------------------------------------ */
.anomaly-card {
    background: rgba(245, 158, 11, 0.06);
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.anomaly-card__icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.anomaly-card__title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--status-warning);
    margin-bottom: var(--space-xs);
}

.anomaly-card__text {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --- Chain Verification Block ------------------------------ */
.chain-verify-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    text-align: center;
}

.chain-verify-block__icon {
    font-size: 4rem;
    margin-bottom: var(--space-md);
}

.chain-verify-block__icon.verified {
    color: var(--accent-primary);
    text-shadow: 0 0 40px var(--accent-glow-strong);
}

.chain-verify-block__icon.broken {
    color: var(--status-error);
    text-shadow: 0 0 40px rgba(239, 68, 68, 0.4);
    animation: pulse-error 1.5s infinite;
}

.chain-verify-block__status {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.chain-verify-block__detail {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* --- Toast Notification ------------------------------------ */
.toast {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    font-size: 0.8125rem;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    animation: slideUp 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.toast--success { border-color: rgba(16, 185, 129, 0.4); }
.toast--error { border-color: rgba(239, 68, 68, 0.4); }

/* --- App Footer -------------------------------------------- */
.app-footer {
    text-align: center;
    padding: var(--space-lg) var(--space-xl);
    font-size: 0.75rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-subtle);
}

/* --- Page Title -------------------------------------------- */
.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.page-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

/* --- Two-column layout ------------------------------------- */
.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

/* --- Expandable Row ---------------------------------------- */
.expandable-row {
    cursor: pointer;
}

.expandable-detail {
    display: none;
    background: rgba(0, 0, 0, 0.15);
}

.expandable-detail.open {
    display: table-row;
}

.expandable-detail td {
    padding: var(--space-md) var(--space-lg);
}

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

.detail-grid__item label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 2px;
}

.detail-grid__item span {
    font-size: 0.8125rem;
    color: var(--text-primary);
}

/* --- Status Code Badge ------------------------------------- */
.status-code {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 1px var(--space-sm);
    border-radius: var(--radius-sm);
}

.status-code--success {
    background: rgba(16, 185, 129, 0.12);
    color: var(--status-success);
}

.status-code--error {
    background: rgba(239, 68, 68, 0.12);
    color: var(--status-error);
}

.status-code--warning {
    background: rgba(245, 158, 11, 0.12);
    color: var(--status-warning);
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

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

@keyframes pulse-error {
    0%, 100% {
        box-shadow: 0 0 8px rgba(239, 68, 68, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(239, 68, 68, 0.6);
    }
}

@keyframes shimmer-dot {
    0%, 100% { background: var(--text-muted); }
    50% { background: var(--bg-tertiary); }
}

@keyframes count-up {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Responsive -------------------------------------------- */
@media (max-width: 1200px) {
    .stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-2col {
        grid-template-columns: 1fr;
    }

    .bar-chart__label {
        flex: 0 0 110px;
    }
}

@media (max-width: 768px) {
    main {
        padding: var(--space-md);
    }

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

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

    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-tabs {
        gap: 0;
    }

    .nav-tabs a {
        padding: var(--space-sm) var(--space-sm);
        font-size: 0.8125rem;
    }

    .bar-chart__label {
        flex: 0 0 80px;
        font-size: 0.75rem;
    }

    .bar-chart__value {
        flex: 0 0 70px;
        font-size: 0.75rem;
    }

    .report-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .pagination {
        flex-wrap: wrap;
    }

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

@media (max-width: 480px) {
    .app-header__brand {
        gap: var(--space-xs);
    }

    .app-header__logo {
        font-size: 1rem;
    }

    .stat-card__value {
        font-size: 1.375rem;
    }

    .page-title {
        font-size: 1.25rem;
    }

    .data-table {
        font-size: 0.75rem;
    }

    .data-table th,
    .data-table td {
        padding: var(--space-xs) var(--space-sm);
    }
}

/* --- Utility Classes --------------------------------------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-success { color: var(--status-success); }
.text-error { color: var(--status-error); }
.text-warning { color: var(--status-warning); }
.text-info { color: var(--status-info); }
.text-muted { color: var(--text-muted); }
.text-mono { font-family: var(--font-mono); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }