:root {
    --bg: #f3f6fb;
    --surface: #ffffff;
    --text: #0f172a;
    --muted: #64748b;
    --primary: #0f172a;
    --line: #e2e8f0;
    --success: #ecfdf5;
    --success-text: #166534;
    --error: #fef2f2;
    --error-text: #991b1b;
    --radius: 20px;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
}
.app-shell {
    max-width: 520px;
    min-height: 100vh;
    margin: 0 auto;
    background: linear-gradient(180deg, #eaf0fb 0%, #f8fafc 160px, var(--bg) 160px);
    padding-bottom: 90px;
}
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 16px 10px;
}
.topbar h1 {
    margin: 4px 0 0;
    font-size: 24px;
}
.eyebrow, .muted { color: var(--muted); }
.content { padding: 0 16px 16px; }
.card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 14px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}
.auth-card { margin-top: 40px; }
.stack { display: grid; gap: 14px; }
label span {
    display: block;
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--muted);
}
input, select, button {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 14px;
    min-height: 48px;
    font-size: 16px;
    padding: 12px 14px;
}
input:focus, select:focus {
    outline: 2px solid rgba(15, 23, 42, 0.15);
    border-color: #94a3b8;
}
.primary-btn, .ghost-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    cursor: pointer;
}
.primary-btn {
    background: var(--primary);
    color: #fff;
    border: none;
    font-weight: 700;
}
.ghost-btn {
    width: auto;
    min-height: 40px;
    padding: 10px 14px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--text);
}
.alert {
    padding: 12px 14px;
    border-radius: 14px;
    margin-bottom: 14px;
    font-size: 14px;
}
.alert.success { background: var(--success); color: var(--success-text); }
.alert.error { background: var(--error); color: var(--error-text); }
.grid.two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.stat-card strong { font-size: 28px; margin-top: 8px; display: block; }
.action-card {
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
    min-height: 96px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.section-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
}
.list { display: grid; gap: 10px; }
.list-item {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    text-decoration: none;
    color: var(--text);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 14px;
}
.small { font-size: 13px; }
.searchbar {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
}
.searchbar .primary-btn { width: 88px; }
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}
.detail-grid span, .detail-grid strong {
    display: block;
}
.detail-grid strong { margin-top: 6px; }
.document-image {
    width: 100%;
    display: block;
    border-radius: 18px;
    border: 1px solid var(--line);
}
.bottom-nav {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    width: min(520px, 100%);
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(8px);
    border-top: 1px solid var(--line);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
}
.bottom-nav a {
    text-align: center;
    text-decoration: none;
    color: var(--text);
    font-size: 14px;
    padding: 10px 6px;
    border-radius: 12px;
}
.bottom-nav a:hover { background: #f8fafc; }

@media (max-width: 420px) {
    .grid.two, .detail-grid, .searchbar { grid-template-columns: 1fr; }
    .searchbar .primary-btn { width: 100%; }
}