:root {
    --primary-blue: #1a4b8c;
    --accent-blue: #2a6cb8;
    --red-accent: #E30613;
    --gray-text: #575756;
    --bg-light: #f5f5f5;
    --white: #ffffff;
    --green-valid: #2e7d32;
    --border-color: #e0e0e0;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-light);
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.gov-header {
    background-color: var(--primary-blue);
    width: 100%;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    align-items: center;
}

.header-logo {
    height: 50px;
}

.red-line {
    height: 4px;
    background-color: var(--red-accent);
    width: 100%;
}

/* Breadcrumb */
.breadcrumb {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    font-size: 14px;
    color: var(--gray-text);
}

/* Main Content */
.container {
    max-width: 800px;
    margin: 20px auto;
    padding: 0 20px;
    flex: 1;
}

.card {
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    padding: 30px;
    margin-bottom: 40px;
}

/* Certificate Header */
.card-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--primary-blue);
}

.card-header h1 {
    font-size: 24px;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.card-header h2 {
    font-size: 18px;
    color: var(--gray-text);
    font-weight: 400;
    margin-bottom: 15px;
}

.valid-badge {
    display: inline-block;
    background-color: #e8f5e9;
    color: var(--green-valid);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 14px;
    border: 1px solid var(--green-valid);
}

/* Certificate Body */
.cert-section {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    font-size: 16px;
    color: var(--primary-blue);
    margin-bottom: 15px;
    text-transform: uppercase;
}

.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.data-group {
    display: flex;
    flex-direction: column;
}

.label {
    font-size: 12px;
    color: var(--gray-text);
    margin-bottom: 4px;
    text-transform: uppercase;
}

.value {
    font-family: 'Courier Prime', monospace;
    font-size: 15px;
    font-weight: 700;
    color: #000;
}

/* Button */
.actions-section {
    text-align: center;
    margin-top: 30px;
}

.btn-download {
    background-color: var(--red-accent);
    color: var(--white);
    border: none;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 4px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: background-color 0.2s;
}

.btn-download:hover {
    background-color: #c00511;
}

/* Error Card */
.error-card {
    text-align: center;
    padding: 50px 30px;
    border-top: 4px solid var(--red-accent);
}

.error-icon {
    color: var(--red-accent);
    margin-bottom: 20px;
}

.error-card h1 {
    color: var(--red-accent);
    margin-bottom: 15px;
}

.error-card p {
    color: var(--gray-text);
    margin-bottom: 25px;
}

.btn-secondary {
    display: inline-block;
    background-color: var(--primary-blue);
    color: var(--white);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: 500;
}

/* Footer */
.gov-footer {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 20px 0;
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    font-size: 14px;
}

.footer-content p {
    margin: 5px 0;
}

/* Responsive */
@media (max-width: 600px) {
    .grid-2-col {
        grid-template-columns: 1fr;
    }
}