:root {
    --chinese-red: #A30B12;
    --rich-gold: #D4AF37;
    --bg-light: #f4f4f4;
}

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

body {
    font-family: 'Noto Serif TC', serif;
    background-color: var(--bg-light);
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.app-container {
    max-width: 600px;
    width: 100%;
    padding: 40px 20px;
}

header {
    text-align: center;
    margin-bottom: 20px;
}

header h1 {
    color: var(--chinese-red);
    font-size: 24px;
    margin-bottom: 5px;
}

.control-panel {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    margin-bottom: 30px;
}

.input-group {
    margin-bottom: 15px;
}

.input-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 8px;
    color: var(--chinese-red);
}

.input-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #eee;
    border-radius: 8px;
    font-size: 16px;
    outline: none;
}

.input-group input:focus {
    border-color: var(--chinese-red);
}

.actions {
    display: flex;
    gap: 10px;
}

.btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.3s, transform 0.15s;
    background: var(--chinese-red);
    color: white;
    text-align: center;
    text-decoration: none;
}

.btn:hover {
    background: #8a090f;
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

/* Download button sits full-width below the row */
.btn.outline {
    display: block;
    width: 100%;
    margin-top: 10px;
}

/* Invitation Card with Image Template */
.invitation-card {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1536 / 2752; /* Exact matching of Invitation-template.png dimensions */
    background-image: url('Invitation-template.png');
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: center;
    position: relative;
    border-radius: 4px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.name-overlay {
    position: absolute;
    top: 53%; /* Position in gap between title and THE HONOR section */
    left: 0;
    width: 100%;
    text-align: center;
    color: #FAD97A; /* Gold color matching the template */
    font-size: 16px;
    font-weight: 700;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.8);
    font-family: 'Noto Serif TC', 'Noto Serif SC', serif;
}

.displayNameText {
    border-bottom: 1.5px solid #FAD97A;
    padding: 0 5px;
    margin: 0 5px;
    display: inline-block;
    min-width: 80px;
}

@media (max-width: 480px) {
    .name-overlay {
        font-size: 14px;
    }
}