:root {
    --primary: #27ae60;
    --dark: #2c3e50;
    --light: #ecf0f1;
}

body {
    font-family: -apple-system, sans-serif;
    background: #f0f2f5;
    margin: 0;
    display: flex;
    justify-content: center;
}

.app-container {
    width: 100%;
    max-width: 450px;
    background: white;
    min-height: 100vh;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

header {
    background: var(--dark);
    color: white;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

section { padding: 20px; }

input, select, button {
    width: 100%;
    padding: 12px;
    margin: 8px 0;
    border-radius: 8px;
    border: 1px solid #ddd;
    font-size: 16px;
}

button {
    background: var(--primary);
    color: white;
    border: none;
    font-weight: bold;
    cursor: pointer;
}

.report-card {
    border: 1px solid #eee;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 12px;
    background: #fafafa;
}

.vouch-btn {
    width: auto;
    padding: 5px 15px;
    background: #3498db;
    font-size: 14px;
}