:root {
    --csuf-navy: #00244E;
    --csuf-orange: #FF7900;
    --bg-gray: #f4f4f9;
    --white: #ffffff;
    --border-gray: #ccc;
    --readonly-bg: #f8f9fa;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    background-color: var(--bg-gray);
    display: flex;
    flex-direction: column;
    align-items: center;
}

#logo {
    width: 100%;
    background-color: var(--csuf-navy);
    padding: 15px 0;
    display: flex;
    justify-content: center;
    border-bottom: 4px solid var(--csuf-orange);
    margin-bottom: 40px;
}

.logo-content {
    width: 100%;
    max-width: 900px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo-2025-wrap { display: flex; align-items: center; gap: 15px; }
.logo-2025-wrap img { height: 35px; width: auto; }

.payment-container {
    max-width: 550px;
    width: 90%;
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 50px;
}

.section-title {
    border-bottom: 2px solid var(--csuf-navy);
    padding-bottom: 10px;
    margin-bottom: 20px;
    color: var(--csuf-navy);
}

.form-group { margin-bottom: 20px; }
.form-row { display: flex; gap: 15px; }
.form-row .form-group { flex: 1; }

.hidden { display: none !important; }

label { display: block; font-weight: 600; margin-bottom: 8px; }

.sub-label {
    display: block;
    font-size: 13px;
    color: #666;
    margin-bottom: 8px;
    margin-top: -4px;
}

.sub-label a { color: var(--csuf-navy); text-decoration: underline; }

input[type="text"] {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-gray);
    border-radius: 4px;
    box-sizing: border-box;
}

.readonly-input {
    background-color: var(--readonly-bg);
    border: 1px solid #ddd;
    color: var(--csuf-navy);
    font-weight: 700;
}

.option-box {
    background: #f0f7ff;
    padding: 20px;
    border-radius: 8px;
    border-left: 6px solid var(--csuf-navy);
    margin-bottom: 25px;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    line-height: 1.5;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 4px;
    transform: scale(1.2);
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-group label {
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
}

button {
    background-color: var(--csuf-navy);
    color: var(--white);
    padding: 14px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    width: 100%;
    font-size: 18px;
    font-weight: 600;
    margin-top: 20px;
}

@media (max-width: 600px) { .form-row { flex-direction: column; gap: 0; } }