@supports (-webkit-touch-callout: none) {
    .page-header {
        background-attachment: scroll !important;
        background-size: cover !important;
    }

    .page-header::before {
        background: rgba(0, 0, 0, 0.5);
    }
}


.page-header {
    background-image: url('/media/default_page_media/building_v3.webp');
    background-size: 100%;
    background-position: center;
    background-attachment: fixed;
    padding: 200px 0;
    text-align: center;
    color: var(--white);
    position: relative;
}

.page-header.zoom-active {
    animation: slowZoomBackground 5s ease-out forwards;
}

@keyframes slowZoomBackground {
    0% { background-size: 100%; }
    100% { background-size: 115%; }
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.page-header .container {
    position: relative;
    z-index: 2;
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 0 2px 40px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

.page-header p {
    font-size: 1.2rem;
    text-shadow: 0 1px 20px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards;
}

@keyframes heroFadeUp {
    to { opacity: 1; transform: translateY(0); }
}


.ptc-section {
    padding: 60px 0 100px;
    background: var(--off-white);
}

.ptc-section .container {
    max-width: 780px;
}


.ptc-loading {
    text-align: center;
    padding: 80px 0;
}

.ptc-loading p {
    margin-top: 16px;
    color: var(--text-light);
    font-size: 0.95rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-light);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    margin: 0 auto;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}


.ptc-no-event {
    text-align: center;
    padding: 80px 20px;
}

.ptc-no-event svg {
    margin-bottom: 20px;
    opacity: 0.4;
}

.ptc-no-event h2 {
    font-family: var(--font-display);
    color: var(--accent-color);
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.ptc-no-event p {
    color: var(--text-medium);
    line-height: 1.7;
    max-width: 500px;
    margin: 0 auto;
}


.form-intro {
    text-align: center;
    margin-bottom: 36px;
}

.form-intro p {
    font-size: 1.05rem;
    color: var(--text-medium);
    line-height: 1.7;
}


.event-banner {
    display: flex;
    align-items: center;
    gap: 16px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    color: var(--white);
    padding: 20px 28px;
    border-radius: var(--border-radius-lg);
    margin-bottom: 32px;
    box-shadow: var(--shadow-md);
}

.event-banner-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: rgba(255,255,255,0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.event-banner-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.event-banner-title {
    font-weight: 600;
    font-size: 1rem;
}

.event-banner-date {
    font-size: 0.9rem;
    opacity: 0.85;
}


.class-banner {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    color: #fff;
    border-radius: var(--border-radius-lg);
    padding: 14px 24px;
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    box-shadow: var(--shadow-md);
}
.class-banner-label {
    font-weight: 500;
    opacity: 0.85;
}
.class-banner-name {
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.3px;
}


.form-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    overflow: visible;
    position: relative;
    transition: box-shadow 0.3s ease;
}

.form-card.dropdown-elevated {
    z-index: 10;
}

.form-card:hover {
    box-shadow: var(--shadow-md);
}

.form-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 32px;
}

.form-card-step {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.95rem;
}

.form-card-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--accent-color);
    margin: 0;
    line-height: 1.3;
}

.form-card-body {
    padding: 0 32px 32px;
}


.slot-instruction {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 20px;
}

.time-slots-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

@media (max-width: 600px) {
    .time-slots-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 400px) {
    .time-slots-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.time-slot-btn {
    padding: 12px 8px;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    background: var(--white);
    color: var(--text-dark);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.time-slot-btn:hover:not(.taken):not(.selected) {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(var(--primary-rgb), 0.04);
}

.time-slot-btn.selected {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: var(--white);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.3);
}

.time-slot-btn.taken {
    background: var(--gray-light);
    color: var(--gray-medium);
    border-color: var(--gray-light);
    cursor: not-allowed;
    text-decoration: line-through;
    opacity: 0.6;
}


.form-row-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 600px) {
    .form-row-2col {
        grid-template-columns: 1fr;
    }
}

.form-group {
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 8px;
}

.form-group label .required {
    color: var(--primary-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--gray-light);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-dark);
    background: var(--white);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-medium);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.field-error {
    color: var(--primary-color);
    font-size: 0.8rem;
    margin-top: 6px;
    min-height: 0;
}

.form-group.has-error input,
.form-group.has-error textarea {
    border-color: var(--primary-color);
}


.phone-input-wrapper {
    display: flex;
    position: relative;
}

.phone-code-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 12px;
    border: 1.5px solid var(--gray-light);
    border-right: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    background: var(--off-white);
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--text-dark);
    white-space: nowrap;
    transition: border-color 0.2s ease;
}

.phone-code-btn:hover {
    border-color: var(--primary-color);
}

.phone-flag {
    border-radius: 2px;
}

.phone-chevron {
    opacity: 0.5;
}

.phone-number-input {
    flex: 1;
    border-radius: 0 var(--border-radius) var(--border-radius) 0 !important;
    min-width: 0;
}

.phone-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    width: 320px;
    max-height: 280px;
    overflow-y: auto;
    background: var(--white);
    border: 1.5px solid var(--gray-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    z-index: 100;
    display: none;
}

.phone-dropdown.open {
    display: block;
}

.phone-dropdown-search {
    position: sticky;
    top: 0;
    padding: 10px 12px;
    border-bottom: 1px solid var(--gray-light);
    background: var(--white);
}

.phone-dropdown-search input {
    width: 100%;
    padding: 8px 12px;
    border: 1.5px solid var(--gray-light);
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    outline: none;
    box-sizing: border-box;
}

.phone-dropdown-search input:focus {
    border-color: var(--primary-color);
}

.phone-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background 0.15s ease;
}

.phone-dropdown-item:hover {
    background: var(--off-white);
}

.phone-dropdown-item img {
    border-radius: 2px;
}

.phone-dropdown-item .code {
    color: var(--text-light);
    margin-left: auto;
    font-size: 0.8rem;
}

.phone-dropdown-item.selected {
    background: rgba(var(--primary-rgb, 37, 99, 235), 0.08);
}

.phone-dropdown-section {
    padding: 6px 14px 4px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-light);
    background: var(--off-white);
    border-bottom: 1px solid var(--gray-light);
    position: sticky;
    top: 44px;
    z-index: 1;
}


.form-actions {
    text-align: center;
    padding: 16px 0 0;
}

.ptc-section .btn,
.success-message .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 40px;
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
}

.ptc-section .btn-primary,
.success-message .btn-primary {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.25);
}

.ptc-section .btn-primary:hover,
.success-message .btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.35);
    transform: translateY(-1px);
}

.ptc-section .btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-submit-loading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-spinner {
    animation: spin 0.8s linear infinite;
}


.success-message {
    text-align: center;
    padding: 60px 20px;
}

.success-icon {
    margin-bottom: 24px;
}

.success-icon svg {
    animation: successPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s both;
}

@keyframes successPop {
    0% { transform: scale(0); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.success-message h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--accent-color);
    margin-bottom: 16px;
}

.success-message p {
    color: var(--text-medium);
    font-size: 1rem;
    line-height: 1.7;
    max-width: 520px;
    margin: 0 auto 24px;
}

.success-details {
    display: inline-block;
    text-align: left;
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius-lg);
    padding: 20px 28px;
    margin-bottom: 28px;
    box-shadow: var(--shadow-xs);
}

.success-details .detail-row {
    display: flex;
    gap: 12px;
    padding: 6px 0;
    font-size: 0.9rem;
}

.success-details .detail-label {
    color: var(--text-light);
    min-width: 80px;
    font-weight: 500;
}

.success-details .detail-value {
    color: var(--text-dark);
    font-weight: 600;
}

.success-actions {
    margin-top: 8px;
}


.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 18px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--gray-medium);
    pointer-events: auto;
    animation: toastIn 0.3s ease forwards;
    max-width: 380px;
}

.toast-success { border-left-color: #22c55e; }
.toast-error { border-left-color: var(--primary-color); }
.toast-warning { border-left-color: #f59e0b; }

.toast-icon {
    flex-shrink: 0;
    margin-top: 1px;
}

.toast-success .toast-icon { color: #22c55e; }
.toast-error .toast-icon { color: var(--primary-color); }
.toast-warning .toast-icon { color: #f59e0b; }

.toast-body { flex: 1; }

.toast-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
}

.toast-message {
    font-size: 0.8rem;
    color: var(--text-medium);
    margin-top: 2px;
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

.toast-out {
    animation: toastOut 0.3s ease forwards;
}

@keyframes toastOut {
    to { opacity: 0; transform: translateX(40px); }
}


@media (max-width: 768px) {
    .page-header {
        padding: 140px 0;
    }

    .form-card-header {
        padding: 20px 20px;
    }

    .form-card-body {
        padding: 0 20px 24px;
    }

    .event-banner {
        padding: 16px 20px;
    }
}