:root {
    --gold: #D4AF37;
    --dark: #0f1115;
    --dark-accent: #1a1d24;
    --light-bg: #f8f9fa;
    --text-body: #555;
    --text-dark: #222;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-body);
    background-color: #f5f5f5;
}

/* Header */
.registration-header {
    background: #fff;
    padding: 20px 0;
    border-bottom: 1px solid #e5e5e5;
    margin-bottom: 40px;
}

.header-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark);
    margin: 0;
}

.header-subtitle {
    font-size: 0.85rem;
    color: var(--text-body);
    margin: 0;
}

.secure-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.8rem;
    color: var(--text-body);
}

.secure-badge i {
    color: var(--gold);
}

/* Main Container */
.registration-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px 60px;
}

/* Conference Badge */
.conference-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    /* background: linear-gradient(135deg, var(--gold) 0%, #e4e2df 100%); */
    background-color: #e6e2e2;
    color: #111;
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 15px;
}

.conference-badge i {
    font-size: 1rem;
}

.page-head {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1a1d24 !important;
    margin-bottom: 15px;
    line-height: 1.3;
    margin-top: 0;
}

.event-details {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.event-detail-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--text-body);
}

.event-detail-item i {
    color: var(--gold);
}

/* Section Titles */
.section-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
}

/* Attendance Options */
.attendance-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.option-card {
    background: #fff;
    border: 2px solid #e5e5e5;
    border-radius: 12px;
    padding: 25px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.option-card:hover {
    border-color: var(--gold);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
}

.option-card.selected {
    border-color: var(--gold);
    background: linear-gradient(to bottom, #fffbf0 0%, #fff 100%);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.15);
}

.option-card.selected::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--gold) 0%, #c9a02c 100%);
    border-radius: 12px;
    z-index: -1;
}

.option-badge {
    display: inline-block;
    background: var(--gold);
    color: #fff;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.option-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.option-duration {
    font-size: 0.85rem;
    color: var(--text-body);
    margin-bottom: 15px;
}

.option-price {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 15px;
}

.option-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.option-features li {
    font-size: 0.85rem;
    color: var(--text-body);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.option-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--gold);
    font-weight: bold;
}

.option-radio {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 22px;
    height: 22px;
    border: 2px solid #ddd;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.option-card.selected .option-radio {
    border-color: var(--gold);
    background: var(--gold);
}

.option-card.selected .option-radio::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: #fff;
    border-radius: 50%;
}

/* Delegate Information */
.delegate-card {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 20px;
}

.delegate-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.delegate-number {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
}

.remove-delegate-btn {
    background: none;
    border: none;
    color: #dc3545;
    font-size: 0.85rem;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.remove-delegate-btn:hover {
    background: #fff5f5;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 5px;
}

.form-group label .required {
    color: #dc3545;
}

.form-control,
.form-control select,
select.form-control {
    width: 100%;
    padding: 6px 10px !important;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 0.8rem;
    transition: all 0.3s ease;
    background: #fff;
    height: 34px;
    line-height: 1.2;
}

select.form-control{
    height: 47px !important;
}

.form-control:focus,
select.form-control:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-control::placeholder {
    color: #aaa;
}

.form-control.error {
    border-color: #dc3545;
}

.phone-input {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 10px;
}

.add-delegate-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 2px dashed var(--gold);
    color: var(--gold);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.add-delegate-btn:hover {
    background: rgba(212, 175, 55, 0.05);
}

/* Total Section */
.total-section {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 12px;
    padding: 30px;
    margin-top: 30px;
}

.total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
}

.total-amount {
    font-size: 1.75rem;
    color: var(--gold);
}

.total-subtitle {
    font-size: 0.85rem;
    color: var(--text-body);
    margin-top: 5px;
}

.payment-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    background: linear-gradient(135deg, #1a1d24 0%, #0f1115 100%);
    color: #fff;
    border: none;
    padding: 16px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.payment-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(15, 17, 21, 0.3);
}

.secure-text {
    font-size: 0.75rem;
    color: var(--text-body);
    text-align: center;
    margin-top: 10px;
}

.secure-text i {
    color: var(--gold);
}

/* Sidebar */
.registration-summary {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 12px;
    padding: 25px;
    position: sticky;
    top: 100px;
}

.summary-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.summary-section {
    margin-bottom: 20px;
}

.summary-section-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.summary-item {
    font-size: 0.9rem;
    color: var(--text-body);
    margin-bottom: 5px;
}

.summary-divider {
    border: none;
    border-top: 1px solid #f0f0f0;
    margin: 20px 0;
}

.summary-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
}

.summary-price {
    font-size: 1.5rem;
    color: var(--gold);
}

.acknowledgment-box {
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    padding: 12px;
    margin-top: 15px;
}

.acknowledgment-box p {
    font-size: 0.75rem;
    color: var(--text-body);
    margin: 0;
    line-height: 1.5;
}

.acknowledgment-box i {
    color: var(--gold);
    margin-right: 5px;
}

/* Payment Icons */
.payment-icons {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 15px;
}

.payment-icons img {
    height: 24px;
    opacity: 0.7;
}

.secure-registration-box {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 15px;
    margin-top: 20px;
}

.secure-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-body);
    margin-bottom: 8px;
}

.secure-item:last-child {
    margin-bottom: 0;
}

.secure-item i {
    color: var(--gold);
    font-size: 1rem;
}

/* Footer Payment Section */
.footer-payment {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid #e5e5e5;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 15px;
}

.payment-methods {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
}

.payment-logo {
    height: 30px;
}

.footer-help {
    font-size: 0.85rem;
    color: var(--text-body);
    margin-top: 15px;
}

.footer-help a {
    color: var(--gold);
    text-decoration: none;
    font-weight: 600;
}

.footer-help a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 991px) {
    .registration-summary {
        position: static;
        margin-top: 30px;
    }

    .page-head {
        font-size: 1.5rem;
    }

    .attendance-options {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .phone-input {
        grid-template-columns: 70px 1fr;
    }
}