:root {
    --bg-primary: #18181b;
    --bg-secondary: #1e1e24;
    --bg-tertiary: #27272a;
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(239, 68, 68, 0.3);
    --text-primary: #e8e8f0;
    --text-secondary: #8888a0;
    --text-muted: #555570;
    --red: #ef4444;
    --red-glow: rgba(239, 68, 68, 0.2);
    --green: #22c55e;
    --green-glow: rgba(34, 197, 94, 0.15);
    --yellow: #f7b731;
    --blue: #6c63ff;
    --gradient-1: linear-gradient(135deg, #ef4444, #f97316);
    --gradient-2: linear-gradient(135deg, #22c55e, #06b6d4);
    --radius: 10px;
    --radius-sm: 6px;
    --transition: 0.2s ease;
    --font: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', monospace
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    background-image: radial-gradient(ellipse at 20% 30%, rgba(239, 68, 68, 0.04) 0%, transparent 50%), radial-gradient(ellipse at 80% 60%, rgba(34, 197, 94, 0.03) 0%, transparent 50%)
}

.app {
    max-width: 1000px;
    margin: 0 auto;
    padding: 24px 20px
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

.badge {
    font-size: 0.6rem;
    padding: 2px 8px;
    border-radius: 99px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    font-weight: 500
}

.header-right {
    display: flex;
    gap: 6px
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 12px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap
}

.btn-ghost {
    background: var(--bg-glass);
    color: var(--text-secondary);
    border: 1px solid var(--border)
}

.btn-ghost:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-hover)
}

.btn-primary {
    background: var(--gradient-1);
    color: #fff;
    border: none
}

.btn-primary:hover {
    opacity: 0.9
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.72rem
}

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 16px
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px
}

.card-header h2 {
    font-size: 0.85rem;
    font-weight: 600
}

.input-actions {
    display: flex;
    gap: 6px
}

.drop-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.82rem;
    transition: all var(--transition);
    cursor: pointer
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--red);
    background: rgba(239, 68, 68, 0.05);
    color: var(--text-secondary)
}

.json-area {
    width: 100%;
    padding: 12px;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    resize: vertical
}

.json-area:focus {
    outline: none;
    border-color: var(--red);
    box-shadow: 0 0 0 3px var(--red-glow)
}

.hidden {
    display: none !important
}

.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
    margin-bottom: 16px
}

.stat {
    padding: 12px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center
}

.stat-label {
    display: block;
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--green)
}

.stat-warn {
    color: var(--red)
}

.filter-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 16px
}

.filter-field {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.8rem
}

.filter-field:focus {
    outline: none;
    border-color: var(--red);
    box-shadow: 0 0 0 3px var(--red-glow)
}

.filter-field::placeholder {
    color: var(--text-muted)
}

.sort-select {
    padding: 8px 10px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.78rem;
    cursor: pointer
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px
}

.suspects-card,
.consumers-card {
    grid-column: 1
}

.graph-card {
    grid-column: 2;
    grid-row: 1/3
}

.detached-card {
    grid-column: 1/3
}

canvas {
    width: 100%;
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border)
}

.suspect-item,
.consumer-item,
.detached-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-bottom: 4px;
    font-size: 0.75rem;
    transition: all var(--transition)
}

.suspect-item:hover,
.consumer-item:hover {
    background: var(--bg-glass)
}

.suspect-name,
.consumer-name {
    font-weight: 600;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-primary)
}

.suspect-score {
    font-weight: 700;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 4px
}

.score-high {
    background: rgba(239, 68, 68, 0.15);
    color: var(--red)
}

.score-medium {
    background: rgba(247, 183, 49, 0.15);
    color: var(--yellow)
}

.score-low {
    background: var(--green-glow);
    color: var(--green)
}

.consumer-bar {
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    flex: 1;
    margin: 0 10px;
    overflow: hidden
}

.consumer-bar-fill {
    height: 100%;
    border-radius: 3px;
    background: var(--gradient-1);
    transition: width 0.5s ease
}

.consumer-size {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-secondary);
    min-width: 60px;
    text-align: right
}

.placeholder-text {
    color: var(--text-muted);
    font-size: 0.82rem;
    font-style: italic;
    text-align: center;
    padding: 20px
}

@media(max-width:768px) {
    .app {
        padding: 16px 12px
    }

    .main-grid {
        grid-template-columns: 1fr
    }

    .graph-card {
        grid-column: 1;
        grid-row: auto
    }

    .detached-card {
        grid-column: 1
    }
}