:root {
    --register-primary: #570e17;
    --register-primary-soft: #7b1221;
    --register-blue: #1e3a8a;
    --register-accent: #d4572a;
    --register-bg: linear-gradient(135deg, #f8f6fb 0%, #eef3fb 55%, #f8f2f1 100%);
    --register-surface: #ffffff;
    --register-border: #e2e8f0;
    --register-text: #1e293b;
    --register-muted: #64748b;
    --register-shadow: 0 24px 48px rgba(15, 23, 42, 0.1);
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: var(--register-bg);
    color: var(--register-text);
}

.container {
    max-width: 1040px;
    margin: 0 auto;
    padding: 2rem 1rem 3rem;
}

.header {
    text-align: center;
    margin-bottom: 1.75rem;
}

.header h1 {
    margin: 0 0 0.5rem;
    color: var(--register-primary);
    font-size: clamp(2.1rem, 3vw, 2.9rem);
}

.header p {
    margin: 0;
    color: var(--register-muted);
}

.register-card {
    background: var(--register-surface);
    border-radius: 28px;
    padding: 2rem;
    border: 1px solid var(--register-border);
    box-shadow: var(--register-shadow);
}

.delegate-type-selector {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.type-option {
    background: linear-gradient(180deg, #fff 0%, #fafcff 100%);
    border: 1px solid var(--register-border);
    border-radius: 18px;
    padding: 1.1rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

.type-option:hover,
.type-option.active {
    transform: translateY(-2px);
    border-color: rgba(87, 14, 23, 0.3);
    box-shadow: 0 16px 24px rgba(15, 23, 42, 0.08);
}

.type-option i {
    font-size: 1.75rem;
    color: var(--register-primary);
}

.type-option div:first-of-type {
    font-weight: 800;
    margin-top: 0.55rem;
}

.type-option div:nth-of-type(2) {
    font-size: 0.9rem;
    color: var(--register-muted);
    margin-top: 0.25rem;
}

.type-option div:nth-of-type(3) {
    margin-top: 0.3rem;
    font-size: 0.78rem;
    font-weight: 700;
}

.alert {
    border-radius: 16px;
    padding: 1rem 1.1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid #dc2626;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border-left: 4px solid #059669;
}

.alert-info,
.internal-info {
    background: #e8f0ff;
    color: #1d4ed8;
    border-left: 4px solid #3b82f6;
    border-radius: 16px;
    padding: 1rem 1.1rem;
    margin-bottom: 1rem;
}

.internal-info p {
    margin: 0.5rem 0 0;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.45rem;
    font-weight: 700;
    color: var(--register-text);
}

.required {
    color: #dc2626;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    border-radius: 14px;
    border: 1px solid var(--register-border);
    font: inherit;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: rgba(87, 14, 23, 0.34);
    box-shadow: 0 0 0 4px rgba(87, 14, 23, 0.1);
}

.btn {
    width: 100%;
    border: none;
    border-radius: 14px;
    padding: 0.95rem 1.15rem;
    font-weight: 800;
    cursor: pointer;
    color: white;
    background: linear-gradient(135deg, var(--register-primary) 0%, var(--register-primary-soft) 100%);
}

.btn:hover {
    filter: brightness(1.04);
}

.form-footer {
    margin-top: 1.5rem;
    text-align: center;
    color: var(--register-muted);
}

.form-footer a {
    color: var(--register-primary);
    font-weight: 700;
    text-decoration: none;
}

.id-choice-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.id-choice {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    cursor: pointer;
    padding: 0.8rem 0.9rem;
    border: 1px solid var(--register-border);
    border-radius: 14px;
    flex: 1;
    min-width: 180px;
}

.helper-text {
    color: var(--register-muted);
    font-size: 0.78rem;
    display: block;
    margin-top: 0.35rem;
}

#wsuEmailNotice {
    display: none;
    margin-top: 0.5rem;
    padding: 0.85rem 1rem;
    background: #e8f0ff;
    border-left: 4px solid #3b82f6;
    border-radius: 12px;
    font-size: 0.875rem;
    color: #1d4ed8;
}

@media (max-width: 960px) {
    .delegate-type-selector {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {
    .register-card {
        padding: 1.25rem;
    }

    .delegate-type-selector,
    .form-row {
        grid-template-columns: 1fr;
    }
}