.smart-revenue-planner {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    font-family: system-ui, -apple-system, sans-serif;
}

h1 { text-align: center; color: #1e40af; margin-bottom: 5px; }
p { text-align: center; color: #64748b; }

.input-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 25px;
}

.card {
    background: #fff;
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

input, select, button {
    padding: 12px;
    margin: 8px 4px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
}

button {
    background: #3b82f6;
    color: white;
    font-weight: 600;
    cursor: pointer;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 14px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

th { background: #f8fafc; }

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 15px;
}

.summary-item {
    background: #f0f9ff;
    padding: 18px;
    border-radius: 12px;
    font-size: 1.1em;
}

.danger { background: #ef4444 !important; }

.actions {
    text-align: center;
    margin-top: 30px;
}

.actions button {
    margin: 0 8px;
    padding: 12px 24px;
}