@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #1a2a6c;
    --primary-light: #2b4b9b;
    --secondary: #d69e2e;
    --bg-color: #f7fafc;
    --card-bg: #ffffff;
    --text-main: #2d3748;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary);
    font-weight: 700;
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--primary);
}

/* Layout */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 30px;
    margin-bottom: 25px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn:hover {
    background-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    color: white;
}

.btn-secondary {
    background-color: var(--secondary);
    color: white;
}
.btn-secondary:hover {
    background-color: #b7791f;
}

/* Form Styles */
.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-main);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.2);
}

/* Radio buttons for test */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.radio-label {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.radio-label:hover {
    background-color: #ebf8ff;
    border-color: var(--primary-light);
}

.radio-label input[type="radio"] {
    margin-right: 15px;
    transform: scale(1.2);
    accent-color: var(--primary);
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 40px;
}
.header img {
    height: 60px;
    margin-bottom: 20px;
}
.header p {
    color: var(--text-muted);
    font-size: 18px;
}

/* Grid System */
.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
@media (min-width: 768px) {
    .grid-2 { grid-template-columns: 1fr 1fr; }
}

/* Report Specific */
.report-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--primary-light);
    padding-bottom: 20px;
    margin-bottom: 30px;
}

.dom-box {
    text-align: center;
    padding: 30px;
    border-radius: var(--radius);
    margin-bottom: 30px;
    border: 2px solid #ddd;
    transition: all 0.5s ease;
}

.dom-label {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.dom-value {
    font-size: 32px;
    font-weight: 800;
    text-transform: uppercase;
}

.info-box {
    padding: 20px;
    border-radius: var(--radius);
    border-left: 6px solid var(--primary);
    background: #fff;
    box-shadow: var(--shadow-sm);
    height: 100%;
}
.info-box h3 {
    font-size: 16px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.info-list {
    list-style: none;
}
.info-list li {
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px dashed var(--border-color);
}
.info-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.chart-container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto 40px auto;
}

/* Utilities */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }

/* Print Styles */
@media print {
    body { background-color: #fff; }
    .container { max-width: 100%; padding: 0; }
    .card { box-shadow: none; border: 1px solid #ccc; margin-bottom: 15px; break-inside: avoid; }
    .btn, .no-print { display: none !important; }
}