:root {
    --bg: #f8fafc;
    --surface: #ffffff;
    --card: #ffffff;
    --border: #e2e8f0;
    --border-bright: #cbd5e1;
    --accent: #2563eb;
    --accent-dim: #eff6ff;
    --text: #1e293b;
    --text-muted: #64748b;
    --text-mid: #475569;
    --danger: #ef4444;
    --danger-dim: #fee2e2;
    --warning: #f59e0b;
    --warning-dim: #fef3c7;
    --success: #10b981;
    --success-dim: #d1fae5;
    --mono: 'ui-monospace', 'SFMono-Regular', Menlo, monospace;
    --sans: 'Inter', 'system-ui', -apple-system, sans-serif;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
}

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

body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--text);
    margin: 0;
    min-height: 100vh;
    line-height: 1.5;
}

.wrapper {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

header { margin-bottom: 2.5rem; }
.header-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.logo-tag {
    font-family: var(--sans);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}
h1 { font-size: 2.25rem; margin: 0; font-weight: 800; color: #0f172a; letter-spacing: -0.025em; }
h1 span { color: var(--accent); }
.header-desc { margin-top: 0.5rem; color: var(--text-muted); font-size: 1rem; }
.privacy-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--success-dim);
    color: #065f46;
    padding: 8px 16px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

#drop-zone {
    border: 2px dashed var(--border-bright);
    border-radius: 12px;
    padding: 5rem 2rem;
    text-align: center;
    background: var(--surface);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow);
}
#drop-zone:hover { border-color: var(--accent); background: var(--accent-dim); }
.drop-title { font-size: 1.1rem; font-weight: 600; color: var(--text); margin-bottom: 0.4rem; }
.drop-sub { color: var(--text-muted); font-size: 0.9rem; }

#dashboard { display: none; flex-direction: column; gap: 1.5rem; }

.verdict-bar {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow);
}
.verdict-eyebrow { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; margin-bottom: 4px; }
#verdict-label { font-size: 1.8rem; font-weight: 800; color: var(--text); }
.score-num { font-size: 2.5rem; font-weight: 800; color: var(--accent); }
.score-bar { width: 160px; height: 8px; background: #f1f5f9; border-radius: 4px; overflow: hidden; }
#score-fill { height: 100%; transition: width 0.5s ease; }

.risk-segments { display: flex; gap: 4px; }
.risk-seg { width: 20px; height: 10px; border-radius: 2px; background: #f1f5f9; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem; box-shadow: var(--shadow); }
.card-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.75rem;
}

table { width: 100%; border-collapse: collapse; }
td { padding: 0.75rem 0; border-bottom: 1px solid #f1f5f9; font-size: 0.9rem; }
td:first-child { color: var(--text-muted); font-weight: 500; width: 40%; }
td:last-child { color: var(--text); font-family: var(--mono); font-size: 0.85rem; }

.flag { padding: 1rem; margin-bottom: 0.75rem; border-radius: 8px; font-weight: 500; display: flex; gap: 10px; }
.flag-high { background: var(--danger-dim); color: #991b1b; }
.flag-med { background: var(--warning-dim); color: #92400e; }
.flag-low { background: #f8fafc; border: 1px solid var(--border); color: var(--text-mid); }

.btn { padding: 0.75rem 1.5rem; border-radius: 8px; font-weight: 600; font-size: 0.875rem; transition: all 0.2s ease; cursor: pointer; }
.btn-primary { background: var(--accent); color: white; border: none; box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3); }

.spinner { width: 40px; height: 40px; border: 3px solid #f1f5f9; border-top-color: var(--accent); border-radius: 50%; animation: spin 1s linear infinite; margin: 0 auto 1rem; }
@keyframes spin { to { transform: rotate(360deg); } }
#loading { display: none; text-align: center; padding: 3rem; }

.logo-link { text-decoration: none; color: inherit; display: inline-block; }

@media (max-width: 600px) {
    .wrapper { padding: 2rem 1rem; }
    .two-col { grid-template-columns: 1fr; }
    .verdict-bar { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
}