/* Production CSS - Registration & Success Pages */
/* File: registration.css */

:root {
    --primary: #0076FF;
    --primary-dark: #0056b3;
    --primary-light: rgba(0, 118, 255, 0.1);
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --black: #000000;
    --white: #FFFFFF;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.6;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    font-weight: 900;
    font-size: 24px;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -0.04em;
    text-transform: uppercase;
}

.nav-back {
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.nav-back:hover {
    opacity: 1;
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--primary);
}

/* Registration Layout */
.registration-main {
    min-height: 100vh;
    padding-top: 80px;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
}

.registration-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 24px;
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: 60px;
    align-items: start;
}

/* Event Summary */
.event-summary {
    position: sticky;
    top: 140px;
}

.summary-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
}

.event-badge {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    padding: 10px 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 25px;
    display: inline-block;
    margin-bottom: 20px;
    box-shadow: 0 4px 14px var(--primary-light);
}

.event-title {
    font-size: 32px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--gray-900), var(--gray-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.event-location {
    color: var(--gray-600);
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.event-highlights h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--gray-900);
}

.event-highlights ul {
    list-style: none;
    margin-bottom: 32px;
}

.event-highlights li {
    padding: 14px 0;
    font-size: 15px;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 12px;
    transition: color 0.3s ease;
}

.event-highlights li:hover {
    color: var(--primary);
}

.check-icon {
    width: 20px;
    height: 20px;
    background: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.check-icon svg {
    width: 12px;
    height: 12px;
    stroke: var(--white);
    stroke-width: 3;
}

/* Registration Form */
.registration-form {
    background: var(--white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
}

/* Progress Bar */
.form-progress {
    display: flex;
    background: var(--gray-100);
    position: relative;
    padding: 0;
}

.progress-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 32px 16px;
    background: var(--gray-100);
    color: var(--gray-500);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 2;
}

.progress-step::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -20px;
    width: 40px;
    height: 2px;
    background: var(--gray-300);
    transform: translateY(-50%);
    z-index: 1;
}

.progress-step:last-child::after {
    display: none;
}

.progress-step.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 8px 32px rgba(0, 118, 255, 0.3);
}

.progress-step.active::after {
    background: var(--primary);
}

.progress-step.completed {
    background: linear-gradient(135deg, var(--success), #059669);
    color: var(--white);
}

.progress-step.completed::after {
    background: var(--success);
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 18px;
    transition: all 0.3s ease;
}

.progress-step.active .step-number,
.progress-step.completed .step-number {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary);
    transform: scale(1.1);
}

.progress-step.completed .step-number {
    color: var(--success);
}

.step-label {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Form Steps */
.form-step {
    display: none;
    padding: 48px;
    animation: fadeInUp 0.5s ease-out;
}

.form-step.active {
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.step-title {
    font-size: 32px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--gray-900), var(--gray-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.step-subtitle {
    font-size: 16px;
    color: var(--gray-600);
    margin-bottom: 40px;
}

/* Messages */
.message-container {
    margin-bottom: 32px;
}

.message {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 24px;
    border-radius: 16px;
    margin-bottom: 24px;
    font-size: 15px;
    font-weight: 500;
    border-left: 4px solid;
    animation: slideIn 0.4s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.message.error {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--error);
    color: #dc2626;
}

.message.success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
    color: #059669;
}

.message-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

/* Ticket Options */
.ticket-options {
    display: grid;
    gap: 32px;
    margin-bottom: 40px;
}

.loading-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--gray-600);
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.ticket-card {
    border: 3px solid var(--gray-200);
    border-radius: 20px;
    padding: 40px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    background: var(--white);
    overflow: hidden;
}

.ticket-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-light), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.ticket-card:hover:not(.sold-out) {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 118, 255, 0.15);
}

.ticket-card:hover:not(.sold-out)::before {
    opacity: 1;
}

.ticket-card.selected {
    border-color: var(--primary);
    background: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(0, 118, 255, 0.2);
    transform: translateY(-4px);
}

.ticket-card.popular {
    border-color: var(--primary);
    box-shadow: 0 8px 32px rgba(0, 118, 255, 0.15);
}

.ticket-card.popular::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    border-radius: 20px 20px 0 0;
}

.ticket-card.sold-out {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--gray-100);
    transform: none !important;
}

.popular-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    padding: 8px 24px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 25px;
    box-shadow: 0 4px 16px rgba(0, 118, 255, 0.4);
}

.ticket-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
}

.ticket-name {
    font-size: 28px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    color: var(--gray-900);
    line-height: 1.2;
}

.ticket-price {
    text-align: right;
}

.currency {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-600);
}

.amount {
    font-size: 36px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    display: block;
}

.ticket-description {
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-600);
    margin-bottom: 24px;
}

.ticket-availability {
    font-size: 14px;
    font-weight: 600;
    padding: 12px 20px;
    border-radius: 25px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.ticket-availability.available {
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.ticket-availability.low-stock {
    color: var(--warning);
    background: rgba(245, 158, 11, 0.1);
}

.ticket-availability.sold-out {
    color: var(--error);
    background: rgba(239, 68, 68, 0.1);
}

/* Form Elements */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 32px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 18px 24px;
    border: 2px solid var(--gray-200);
    border-radius: 16px;
    font-size: 16px;
    background: var(--white);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: inherit;
    resize: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 118, 255, 0.1);
    transform: translateY(-2px);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--error);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.form-textarea {
    min-height: 120px;
}

.field-error {
    color: var(--error);
    font-size: 13px;
    font-weight: 500;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    animation: slideIn 0.3s ease-out;
}

/* Checkboxes */
.form-checkboxes {
    margin: 40px 0;
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
    cursor: pointer;
    font-size: 15px;
    line-height: 1.6;
    transition: all 0.3s ease;
}

.checkbox-container:hover {
    transform: translateX(4px);
}

.checkbox-container input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 24px;
    height: 24px;
    border: 2px solid var(--gray-300);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-container input:checked + .checkmark {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.1);
}

.checkbox-container input:checked + .checkmark svg {
    stroke: var(--white);
}

.checkbox-text a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.checkbox-text a:hover {
    text-decoration: underline;
}

/* Buttons */
.btn {
    padding: 20px 40px;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 16px rgba(0, 118, 255, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 118, 255, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
    box-shadow: var(--shadow);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.form-actions {
    display: flex;
    gap: 24px;
    justify-content: space-between;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 2px solid var(--gray-100);
}

/* Order Summary */
.order-summary {
    margin-top: 40px;
    padding-top: 32px;
    border-top: 2px solid var(--gray-100);
}

.order-summary h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--gray-900);
}

.order-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-100);
}

.item-name {
    font-weight: 500;
    color: var(--gray-700);
}

.item-price {
    font-weight: 700;
    color: var(--primary);
    font-size: 18px;
}

.order-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-top: 20px;
    border-top: 2px solid var(--primary);
    font-size: 20px;
    font-weight: 900;
}

.total-label {
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-900);
}

.total-price {
    color: var(--primary);
    font-size: 28px;
}

/* Processing State */
.processing-state {
    text-align: center;
    padding: 100px 20px;
}

.processing-state .spinner {
    width: 64px;
    height: 64px;
    border-width: 6px;
    margin-bottom: 32px;
}

.processing-state h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--gray-900);
}

.processing-state p {
    font-size: 18px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.processing-state small {
    color: var(--gray-500);
    font-size: 14px;
}

/* Error States */
.error-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-600);
}

.error-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.error-state h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--gray-900);
}

.error-state p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 32px;
}

/* SUCCESS PAGE STYLES */

/* Success Page */
.success-main {
    min-height: calc(100vh - 160px);
    background: var(--white);
    padding: 120px 0 60px;
    display: flex;
    align-items: center;
}

.success-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.success-icon-container {
    margin-bottom: 32px;
}

.success-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981, #059669);
    color: var(--white);
    animation: successPulse 2s ease-out;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
}

@keyframes successPulse {
    0% {
        transform: scale(0);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    50% {
        transform: scale(1.1);
        box-shadow: 0 0 0 20px rgba(16, 185, 129, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.success-title {
    font-size: clamp(36px, 8vw, 64px);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--black), #374151);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.success-subtitle {
    font-size: clamp(18px, 3vw, 24px);
    color: #666;
    font-weight: 500;
    margin-bottom: 48px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.registration-summary {
    margin-bottom: 60px;
}

.details-card {
    background: var(--light-gray);
    border-radius: 12px;
    padding: 40px;
    margin: 0 auto;
    max-width: 600px;
    text-align: left;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--gray-200);
}

.details-card h2 {
    font-size: 24px;
    font-weight: 900;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 32px;
    color: var(--black);
}

.details-grid {
    display: grid;
    gap: 20px;
    margin-bottom: 32px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.detail-row.total {
    border-bottom: none;
    border-top: 2px solid var(--primary);
    padding-top: 20px;
    margin-top: 16px;
    font-weight: 700;
    font-size: 18px;
}

.detail-label {
    color: #666;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 0.05em;
}

.detail-value {
    font-weight: 700;
    color: var(--black);
}

.detail-row.total .detail-value {
    color: var(--primary);
    font-size: 20px;
}

.calendar-action {
    text-align: center;
}

.btn-calendar {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-calendar:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 118, 255, 0.3);
}

.next-steps {
    margin-bottom: 60px;
}

.next-steps h2 {
    font-size: clamp(28px, 5vw, 36px);
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 40px;
    color: var(--black);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    text-align: left;
}

.step-item {
    background: var(--white);
    padding: 32px 24px;
    border-radius: 8px;
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
}

.step-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.step-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.step-item h3 {
    font-size: 18px;
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 12px;
    color: var(--black);
}

.step-item p {
    color: #666;
    line-height: 1.6;
    font-size: 14px;
}

.success-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.success-actions .btn {
    min-width: 180px;
    justify-content: center;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 40px 0;
    text-align: center;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-text {
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.6;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .registration-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .event-summary {
        position: static;
        order: -1;
    }

    .summary-card {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 40px;
        align-items: center;
    }

    .event-highlights {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .registration-container {
        padding: 24px 16px;
        gap: 32px;
    }

    .summary-card {
        grid-template-columns: 1fr;
        padding: 32px;
    }

    .form-progress {
        flex-direction: column;
    }

    .progress-step {
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
        padding: 24px;
        flex-direction: row;
        justify-content: flex-start;
    }

    .progress-step:last-child {
        border-bottom: none;
    }

    .progress-step::after {
        display: none;
    }

    .form-step {
        padding: 32px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .form-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .ticket-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .ticket-price {
        text-align: left;
    }

    .step-title {
        font-size: 28px;
    }

    .nav-content {
        padding: 0 16px;
    }

    .success-main {
        padding: 100px 0 40px;
    }

    .success-container {
        padding: 0 16px;
    }

    .details-card {
        padding: 24px;
    }

    .success-actions {
        flex-direction: column;
        align-items: center;
    }

    .success-actions .btn {
        width: 100%;
        max-width: 280px;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .step-item {
        padding: 24px 20px;
    }

    .step-icon {
        font-size: 40px;
    }
}

@media (max-width: 480px) {
    .registration-container {
        padding: 20px 12px;
    }

    .summary-card,
    .form-step {
        padding: 24px;
    }

    .ticket-card {
        padding: 32px;
    }

    .nav-content {
        padding: 0 16px;
    }

    .detail-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        text-align: left;
    }

    .detail-row.total {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

/* Loading and Error States */
.loading-details {
    padding: 40px;
    color: #666;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.loading-details .spinner {
    margin-bottom: 16px;
}

.success-message, .error-message {
    margin-top: 24px;
    padding: 16px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
}

.success-message {
    background: rgba(72, 187, 120, 0.1);
    color: var(--success);
    border: 1px solid rgba(72, 187, 120, 0.2);
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Form Focus States */
.form-input:focus-visible,
.form-select:focus-visible,
.form-textarea:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* High Contrast Support */
@media (prefers-contrast: high) {
    :root {
        --gray-200: #000;
        --gray-300: #000;
        --primary-light: rgba(0, 118, 255, 0.3);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .success-icon {
        animation: none;
    }
    
    .spinner {
        animation: none;
        border: 4px solid var(--gray-200);
    }
}