* { box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f4f5f7;
    margin: 0;
    color: #1f2430;
}
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}
.card {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
h1 { font-size: 1.4rem; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 0 0 12px; }
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #1f2430;
    color: #fff;
    padding: 14px 20px;
}
.topbar a { color: #cfd3dc; text-decoration: none; margin-left: 16px; font-size: 0.9rem; }
.topbar a:hover { color: #fff; }
.btn {
    display: inline-block;
    padding: 14px 24px;
    border-radius: 10px;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
}
.btn-ein { background: #22c55e; color: #fff; }
.btn-aus { background: #ef4444; color: #fff; }
.btn-primary { background: #2563eb; color: #fff; }
.btn-secondary { background: #e5e7eb; color: #1f2430; }
.btn-small { padding: 8px 14px; font-size: 0.85rem; border-radius: 8px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
input, select {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #d1d5db;
    margin-bottom: 12px;
    font-size: 1rem;
}
label { font-weight: 600; font-size: 0.9rem; display: block; margin-bottom: 4px; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid #eee; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 0.8rem; font-weight: 600; }
.badge-plus { background: #dcfce7; color: #166534; }
.badge-minus { background: #fee2e2; color: #991b1b; }
.badge-neutral { background: #e5e7eb; color: #374151; }
.status-box { text-align: center; padding: 30px 0; }
.status-time { font-size: 2.2rem; font-weight: 700; margin: 10px 0; }
.error { background: #fee2e2; color: #991b1b; padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; }
.success { background: #dcfce7; color: #166534; padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 500px) { .grid-2 { grid-template-columns: 1fr; } }