body {
    font-family: Segoe UI, Arial, sans-serif;
    margin: 0;
    background: #f4f7fb;
    color: #1f2937;
}

.page-shell {
    max-width: 1320px;
    margin: 0 auto;
    padding: 24px;
}

.hero {
    background: linear-gradient(135deg, #0f766e, #2563eb);
    color: white;
    padding: 28px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.panel {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
}

.input {
    width: 100%;
    padding: 10px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    box-sizing: border-box;
}

.actions {
    margin-top: 16px;
    display: flex;
    gap: 10px;
}

.button {
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background: #e5e7eb;
    color: #111827;
}

.button.primary {
    background: #2563eb;
    color: white;
}

.message {
    display: block;
    margin-top: 12px;
    color: #0f766e;
    font-weight: 600;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
}

.stat-card {
    padding: 16px;
    border-radius: 10px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: #64748b;
    margin-bottom: 6px;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 8px;
}

.table th,
.table td {
    border: 1px solid #e2e8f0;
    padding: 8px;
    text-align: left;
    font-size: 0.92rem;
}

.table th {
    background: #f8fafc;
}

.hint {
    color: #64748b;
    font-size: 0.95rem;
}