:root {
    --raileval-navy: #0f2c4c;
    --raileval-accent: #1a73a8;
    --error-red: #b3261e;
    --success-green: #1e6b3a;
    --border-color: #ccd3da;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: #f5f7fa;
    color: #1c1f24;
}

main {
    display: flex;
    justify-content: center;
    padding: 32px 16px 64px;
}

.registration-container {
    width: 100%;
    max-width: 560px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 32px 36px 40px;
    box-shadow: 0 2px 8px rgba(15, 44, 76, 0.08);
}

.page-title {
    margin: 0 0 16px;
    font-size: 1.6rem;
    color: var(--raileval-navy);
}

.intro-text {
    margin: 0;
    margin-top: 0;
    margin-bottom: 0.5em; /* Adds a small space between paragraphs */
    line-height: 1.5;
    color: #33383f;
    font-size: 0.95rem;
}

.form-row {
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
}

.form-row label {
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: #21252b;
}

.form-row input[type="text"],
.form-row input[type="email"] {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.form-row input:focus {
    outline: 2px solid var(--raileval-accent);
    outline-offset: 1px;
}

.checkbox-row .checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-weight: normal;
}

.checkbox-row input[type="checkbox"] {
    margin-top: 3px;
}

.field-error {
    color: var(--error-red);
    font-size: 0.82rem;
    margin-top: 4px;
    min-height: 1em;
}

.form-errors {
    background: #fdecea;
    border: 1px solid var(--error-red);
    color: var(--error-red);
    border-radius: 4px;
    padding: 14px 16px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.form-errors ul {
    margin: 6px 0 0;
    padding-left: 20px;
}

.form-success {
    background: #e9f6ee;
    border: 1px solid var(--success-green);
    color: var(--success-green);
    border-radius: 4px;
    padding: 14px 16px;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.validate-row {
    flex-direction: row;
    align-items: center;
    gap: 14px;
    border-top: 1px solid var(--border-color);
    padding-top: 18px;
}

.validate-button {
    padding: 10px 18px;
    font-size: 0.95rem;
    font-weight: 600;
    color: #ffffff;
    background: var(--raileval-navy);
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.validate-button:hover {
    background: var(--raileval-accent);
}

.validate-button:focus {
    outline: 2px solid var(--raileval-accent);
    outline-offset: 2px;
}

.validate-status {
    font-size: 0.85rem;
    min-height: 1em;
}

.validate-status.validate-ok {
    color: var(--success-green);
    font-weight: 600;
}

.validate-status.validate-pending {
    color: var(--error-red);
}

.payment-summary {
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
    margin-top: 4px;
}

.paypal-hint {
    margin: 6px 0 0;
    font-size: 0.85rem;
    color: #55606b;
}

.processing-indicator {
    margin-top: 12px;
    font-size: 0.9rem;
    color: #55606b;
}