/* -------------------------------------------------------------
 * "বারো মাসে তেরো পার্বণ" Event Registration Stylesheet
 * Premium, Responsive, Mobile-First, Interactive Components
 * ------------------------------------------------------------- */

/* Page layout container */
.registration-layout-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 30px;
    align-items: start;
    min-width: 0; /* prevent grid overflow */
}

/* Sidebar Styling */
.sidebar-col {
    position: sticky;
    top: 130px; /* Offset for header height and space */
    z-index: 10;
}

.sidebar-card {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.sidebar-title {
    font-size: 1.25rem;
    margin-bottom: 20px;
    color: var(--color-text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 12px;
}

.sidebar-title i {
    color: var(--color-primary);
}

.event-selector-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Event Selector Cards */
.event-selector-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background-color: var(--color-bg-main);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    text-align: left;
    cursor: pointer;
    font-family: var(--font-body);
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
    width: 100%;
}

.event-selector-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-accent-gold);
    box-shadow: var(--shadow-sm);
    background-color: #FFFFFF;
}

.event-selector-card.active {
    background: linear-gradient(135deg, #FFFFFF 0%, rgba(255, 179, 0, 0.02) 100%);
    border-color: var(--color-primary);
    border-left: 4px solid var(--color-primary);
    box-shadow: var(--shadow-md);
}

.event-icon-emoji {
    font-size: 1.8rem;
    line-height: 1;
}

.event-card-details {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.event-card-details h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin: 0;
}

.event-card-status {
    font-size: 0.78rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    width: fit-content;
    text-transform: uppercase;
}

.event-card-status.open {
    background-color: var(--color-accent-navy-light);
    color: var(--color-accent-navy);
}

.event-card-status.closed {
    background-color: #F0EDE8;
    color: var(--color-text-muted);
}

.arrow-indicator {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    transition: transform var(--transition-fast);
}

.event-selector-card:hover .arrow-indicator {
    transform: translateX(4px);
    color: var(--color-primary);
}

.event-selector-card.active .arrow-indicator {
    color: var(--color-primary);
}

/* Main Content Column styling */
.content-wrapper-card {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
    padding: 0;
    min-width: 0; /* prevent grid blowout */
    width: 100%;
}

/* Event Hero Banner */
.event-hero-banner {
    position: relative;
    height: 260px;
    background-image: url('assets/hero_bg.png'); /* Fallback background */
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
    color: #FFFFFF;
}

.event-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(29, 24, 22, 0.95) 0%, rgba(29, 24, 22, 0.4) 60%, transparent 100%);
    z-index: 1;
}

.event-hero-text {
    position: relative;
    z-index: 2;
    padding: 30px;
    width: 100%;
}

.event-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-accent-gold);
    background-color: rgba(255, 179, 0, 0.15);
    backdrop-filter: blur(4px);
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    margin-bottom: 12px;
    border: 1px solid rgba(255, 179, 0, 0.25);
}

.event-hero-text h2 {
    font-size: clamp(1.3rem, 5vw, 2.4rem);
    color: #FFFFFF;
    margin-bottom: 6px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    word-break: break-word;
    overflow-wrap: break-word;
    line-height: 1.25;
}

.event-hero-text p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.85);
    font-family: var(--font-body);
    word-break: break-word;
    overflow-wrap: break-word;
}

/* Page Section Blocks */
.details-section-wrapper,
.rules-section-wrapper,
.form-container-wrapper {
    padding: 35px 40px;
    border-bottom: 1px solid var(--color-border);
}

.form-container-wrapper {
    border-bottom: none;
}

.block-title {
    font-size: 1.35rem;
    margin-bottom: 24px;
    color: var(--color-text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.block-title i {
    color: var(--color-primary);
}

/* Details grid */
.details-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background-color: var(--color-bg-main);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.detail-item:hover {
    border-color: rgba(255, 179, 0, 0.15);
    background-color: #FFFFFF;
}

.detail-icon-circle {
    width: 46px;
    height: 46px;
    background-color: rgba(255, 179, 0, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.15rem;
    flex-shrink: 0;
}

.detail-item:nth-child(even) .detail-icon-circle {
    background-color: rgba(255, 143, 0, 0.05);
    color: var(--color-secondary);
}

.detail-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-lbl {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-val {
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--color-text-dark);
}

/* Accordion Rules Styling */
.accordion-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.accordion-header {
    width: 100%;
    background-color: var(--color-bg-main);
    border: none;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-headings);
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--color-text-dark);
    text-align: left;
    transition: background-color var(--transition-fast);
}

.accordion-header:hover {
    background-color: #FFFFFF;
}

.accordion-header i {
    color: var(--color-primary);
}

.accordion-arrow {
    font-size: 0.95rem;
    transition: transform var(--transition-normal);
}

.accordion-header[aria-expanded="true"] .accordion-arrow {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
    background-color: #FFFFFF;
}

.accordion-content-inner {
    padding: 24px;
    border-top: 1px solid var(--color-border);
}

.rules-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    list-style: none;
    padding: 0;
}

.rules-list li {
    position: relative;
    padding-left: 28px;
    font-size: 0.98rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.rules-list li::before {
    content: '\f058'; /* FontAwesome check-circle */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--color-accent-navy);
    font-size: 1.05rem;
}

/* Premium Form Styles */
.form-section-title {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin: 30px 0 15px 0;
    border-bottom: 1px dashed var(--color-border);
    padding-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-section-title:first-of-type {
    margin-top: 0;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.input-icon {
    position: absolute;
    left: 16px;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    pointer-events: none;
    transition: color var(--transition-fast);
}

.form-group input, 
.form-group textarea {
    padding-left: 45px !important;
}

.form-group input:focus ~ .input-icon,
.form-group textarea:focus ~ .input-icon {
    color: var(--color-primary);
}

.error-message {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-top: 5px;
    display: none;
}

.form-group.invalid input,
.form-group.invalid textarea {
    border-color: var(--color-primary);
    background-color: rgba(255, 179, 0, 0.01);
}

.form-group.invalid .error-message {
    display: block;
}

/* Category Grid Radio selection */
.category-radio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 12px;
}

.category-option-card {
    position: relative;
    background-color: var(--color-bg-main);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.category-option-card:hover {
    border-color: var(--color-accent-gold);
    background-color: #FFFFFF;
}

.category-option-card.selected {
    border-color: var(--color-primary);
    background-color: #FFFFFF;
    box-shadow: var(--shadow-sm);
}

.category-option-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.cat-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cat-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-dark);
}

.cat-check-dot {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.category-option-card.selected .cat-check-dot {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
}

.cat-check-dot::after {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #FFFFFF;
    display: none;
}

.category-option-card.selected .cat-check-dot::after {
    display: block;
}

.cat-desc {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

.cat-theme {
    font-size: 0.85rem;
    color: var(--color-secondary);
    font-weight: 600;
    margin-top: 4px;
}

/* Checkbox Medium groups */
.checkbox-group-wrapper {
    margin-top: 25px;
}

.medium-checkbox-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 12px;
}

.checkbox-card {
    position: relative;
    background-color: var(--color-bg-main);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
    font-weight: 600;
    color: var(--color-text-dark);
}

.checkbox-card:hover {
    border-color: var(--color-accent-gold);
    background-color: #FFFFFF;
}

.checkbox-card.selected {
    border-color: var(--color-accent-navy);
    background-color: #FFFFFF;
}

.checkbox-card input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.check-box-indicator {
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.checkbox-card.selected .check-box-indicator {
    border-color: var(--color-accent-navy);
    background-color: var(--color-accent-navy);
}

.check-box-indicator i {
    color: #FFFFFF;
    font-size: 0.65rem;
    display: none;
}

.checkbox-card.selected .check-box-indicator i {
    display: block;
}

/* Declaration layout */
.declaration-group {
    margin: 30px 0;
}

.checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    justify-content: flex-start !important;
    gap: 12px;
}

.checkbox-wrapper input[type="checkbox"] {
    width: 18px !important;
    height: 18px !important;
    margin: 4px 10px 0 0 !important;
    flex: 0 0 18px !important;
    cursor: pointer;
}

.checkbox-wrapper label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-muted);
    cursor: pointer;
    line-height: 1.5;
}

/* Form Buttons Row */
.form-buttons-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 30px;
    border-top: 1px solid var(--color-border);
    padding-top: 25px;
}

.form-buttons-row button,
.form-buttons-row a {
    flex: 1;
    min-width: 180px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* Loader Styles */
.btn-loader-content i {
    font-size: 1rem;
}

/* Coming Soon card */
.coming-soon-card {
    text-align: center;
    padding: 60px 40px;
    background-color: var(--color-bg-main);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-lg);
}

.coming-soon-icon {
    font-size: 3.5rem;
    color: var(--color-accent-gold);
    margin-bottom: 20px;
    animation: floating 3s ease-in-out infinite;
}

.coming-soon-card h3 {
    font-size: 1.6rem;
    margin-bottom: 12px;
    color: var(--color-text-dark);
}

.coming-soon-card p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0 auto 30px auto;
    line-height: 1.6;
}

.contact-coming-soon {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Success Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(29, 24, 22, 0.6);
    backdrop-filter: blur(8px);
    z-index: 2500;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.success-modal-card {
    background-color: #FFFFFF;
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(45, 37, 34, 0.25);
    max-width: 550px;
    width: 100%;
    overflow: hidden;
    animation: slideUp 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.success-modal-header {
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.04) 0%, rgba(247, 243, 238, 0.8) 100%);
    padding: 35px 30px 25px 30px;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
    position: relative;
}

.success-icon-badge {
    width: 65px;
    height: 65px;
    background-color: var(--color-accent-navy-light);
    border-radius: 50%;
    color: var(--color-accent-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    margin: 0 auto 16px auto;
    box-shadow: 0 4px 10px rgba(26, 54, 93, 0.1);
}

.success-modal-header h3 {
    font-size: 1.45rem;
    color: var(--color-text-dark);
    margin-bottom: 4px;
}

.success-modal-header p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.success-modal-body {
    padding: 30px;
}

.success-id-box {
    background: linear-gradient(135deg, #1B5E20 0%, var(--color-accent-navy) 100%);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    text-align: center;
    color: #FFFFFF;
    box-shadow: var(--shadow-sm);
    margin-bottom: 25px;
}

.id-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.85;
    margin-bottom: 4px;
}

.id-number {
    font-family: var(--font-headings);
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.receipt-details {
    background-color: var(--color-bg-main);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
}

.receipt-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 8px;
}

.receipt-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.receipt-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
}

.receipt-lbl {
    color: var(--color-text-muted);
    font-weight: 600;
}

.receipt-val {
    color: var(--color-text-dark);
    font-weight: 700;
    text-align: right;
}

.receipt-disclaimer {
    font-size: 0.82rem;
    color: var(--color-primary);
    margin-top: 15px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-weight: 600;
    line-height: 1.4;
}

.receipt-disclaimer i {
    margin-top: 3px;
    font-size: 0.9rem;
}

.success-modal-footer {
    padding: 20px 30px 30px 30px;
    display: flex;
    gap: 12px;
    border-top: 1px solid var(--color-border);
}

.success-modal-footer button {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Payment Modal Styling */
.payment-modal-card {
    background-color: #FFFFFF;
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(45, 37, 34, 0.25);
    max-width: 550px;
    width: 100%;
    overflow: hidden;
    animation: slideUp 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid var(--color-border);
}

.payment-modal-header {
    background: linear-gradient(135deg, rgba(255, 143, 0, 0.04) 0%, rgba(247, 243, 238, 0.8) 100%);
    padding: 30px 30px 20px 30px;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.payment-security-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background-color: rgba(34, 197, 94, 0.1);
    color: #16a34a;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 14px;
    box-shadow: 0 2px 5px rgba(34, 197, 94, 0.05);
}

.payment-modal-header h3 {
    font-size: 1.45rem;
    color: var(--color-text-dark);
    margin-bottom: 4px;
}

.payment-modal-header p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.payment-modal-body {
    padding: 24px 30px;
}

/* Payment Summary */
.payment-summary-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-bg-main);
    border: 1px dashed var(--color-primary);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin-bottom: 20px;
}

.summary-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.summary-event {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--color-text-dark);
}

.summary-cat {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

.summary-amount {
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.amount-lbl {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

.amount-val {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-primary);
}

/* UPI Section Layout */
.payment-upi-section {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 20px;
    align-items: center;
    margin-bottom: 20px;
}

.qr-code-frame {
    width: 180px;
    height: 180px;
    padding: 8px;
    background-color: #FFFFFF;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    position: relative;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    justify-self: center;
}

.qr-code-frame img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.qr-scanning-overlay {
    position: absolute;
    top: 8px;
    left: 8px;
    right: 8px;
    bottom: 8px;
    border-radius: 4px;
    overflow: hidden;
    pointer-events: none;
}

.scan-line {
    position: absolute;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, transparent, var(--color-primary), transparent);
    animation: qrScan 2.5s ease-in-out infinite;
}

@keyframes qrScan {
    0% { top: 0%; }
    50% { top: 100%; }
    100% { top: 0%; }
}

.upi-instructions-box {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.upi-apps-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 4px;
}

.upi-extra-badges {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 600;
    border-left: 1px solid var(--color-border);
    padding-left: 10px;
}

.instruction-text {
    font-size: 0.88rem;
    color: var(--color-text-dark);
    line-height: 1.5;
    margin: 0;
}

/* Secure Timer box */
.payment-timer-box {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background-color: rgba(220, 38, 38, 0.05);
    color: #dc2626;
    border-radius: var(--radius-md);
    font-weight: 700;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.timer-countdown {
    font-family: monospace;
    font-size: 1.25rem;
    letter-spacing: 1px;
}

.payment-disclaimer {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    text-align: center;
    margin: 0;
    line-height: 1.4;
}

.payment-modal-footer {
    padding: 20px 30px 30px 30px;
    display: flex;
    gap: 12px;
    border-top: 1px solid var(--color-border);
}

.payment-modal-footer button {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Responsive stacks */
@media (max-width: 576px) {
    .payment-upi-section {
        grid-template-columns: 1fr;
        gap: 16px;
        text-align: center;
    }
    .upi-apps-row {
        justify-content: center;
    }
    .payment-modal-footer {
        flex-direction: column;
        padding: 15px 20px 20px 20px;
    }
}

/* Mobile Sticky bar styles */
.mobile-sticky-submit-bar {
    position: fixed;
    bottom: -100px; /* Hidden by default */
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 -8px 25px rgba(45, 37, 34, 0.08);
    border-top: 1px solid var(--color-border);
    padding: 12px 20px;
    z-index: 999;
    transition: bottom 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: none;
}

.mobile-sticky-submit-bar.show {
    bottom: 0;
}

.sticky-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
}

.sticky-event-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sticky-emoji {
    font-size: 1.4rem;
}

.sticky-text-details {
    display: flex;
    flex-direction: column;
}

.sticky-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--color-text-dark);
}

.sticky-price {
    font-size: 0.78rem;
    color: var(--color-secondary);
    font-weight: 700;
}

/* Scroll Animations */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Overrides (Mobile First approach) */
@media (max-width: 1024px) {
    .registration-layout-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .sidebar-col {
        position: relative;
        top: 0;
    }
    
    .event-selector-card.active {
        border-left: 4px solid var(--color-primary);
        border-bottom: 1px solid var(--color-primary);
        background-color: #FFFFFF;
    }
    
    .arrow-indicator {
        display: none;
    }
}

@media (max-width: 768px) {
    .details-grid {
        grid-template-columns: 1fr;
    }
    
    .details-section-wrapper,
    .rules-section-wrapper,
    .form-container-wrapper {
        padding: 25px 20px;
    }
    
    .medium-checkbox-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-buttons-row {
        flex-direction: column;
    }
    
    .form-buttons-row button,
    .form-buttons-row a {
        width: 100%;
    }
    
    .mobile-sticky-submit-bar {
        display: block;
    }
    
    /* Extra padding at bottom so footer/content is not blocked by sticky bar */
    .registration-section {
        padding-bottom: 120px;
    }
    
    .success-modal-footer {
        flex-direction: column;
        padding: 20px;
    }
    
    .btn-full-mobile {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .medium-checkbox-grid {
        grid-template-columns: 1fr;
    }
    
    .category-radio-grid {
        grid-template-columns: 1fr;
    }
}

/* -------------------------------------------------------------
 * Print Stylesheet: Format Slip Cleanly for A4
 * ------------------------------------------------------------- */
@media print {
    body * {
        visibility: hidden;
    }
    
    /* Only display the modal container details */
    .modal-overlay,
    .modal-overlay * {
        visibility: visible;
    }
    
    .modal-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        background-color: #FFFFFF;
        backdrop-filter: none;
        display: block !important;
        box-shadow: none;
        padding: 0;
    }
    
    .success-modal-card {
        box-shadow: none;
        border: none;
        max-width: 100%;
        width: 100%;
        margin: 0;
        padding: 0;
    }
    
    .success-modal-header {
        background: none;
        border-bottom: 2px solid #000000;
        padding: 20px 0;
    }
    
    .success-icon-badge {
        display: none;
    }
    
    .success-modal-body {
        padding: 20px 0;
    }
    
    .success-id-box {
        background: none !important;
        border: 2px solid #000000;
        color: #000000 !important;
        box-shadow: none;
        padding: 10px;
    }
    
    .id-label {
        color: #000000 !important;
    }
    
    .id-number {
        font-size: 2rem;
        font-weight: bold;
    }
    
    .receipt-details {
        background: none !important;
        border: 1px solid #000000;
        padding: 15px;
    }
    
    .receipt-title {
        border-bottom: 1px solid #000000;
        color: #000000;
    }
    
    .receipt-lbl {
        color: #000000;
    }
    
    .receipt-val {
        color: #000000;
    }
    
    .receipt-disclaimer {
        color: #000000;
    }
    
    /* Hide footer buttons during printing */
    .success-modal-footer {
        display: none !important;
    }
}

/* =========================================================================
   EXTREME MOBILE RESPONSIVE FIXES (240px - 360px Edge Cases)
   ========================================================================= */

* {
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
}

html, body {
    overflow-x: hidden !important;
    width: 100%;
}

.details-section-wrapper,
.rules-section-wrapper,
.form-container-wrapper,
.sidebar-card,
.success-modal-content {
    max-width: 100% !important;
    box-sizing: border-box !important;
}

/* Fix event cards on tiny screens */
@media (max-width: 320px) {
    .registration-section {
        padding: 15px 0 !important;
    }
    
    .details-section-wrapper,
    .rules-section-wrapper,
    .form-container-wrapper {
        padding: 15px !important;
    }
}

/* =========================================================================
   REGISTRATION PAGE � DESKTOP RESPONSIVE AUDIT FIXES (v2.0)
   Complements the global desktop fix suite in style.css.
   ========================================================================= */

/* -- Desktop: Sidebar scaling with container -----------------------------
   The fixed 320px sidebar stays appropriate at 1280px but can feel narrow
   on very large screens once the container expands. Scale proportionally. */
@media screen and (min-width: 1600px) {
    .registration-layout-grid {
        grid-template-columns: 360px 1fr;
        gap: 36px;
    }
    .sidebar-col {
        top: 140px;
    }
}

@media screen and (min-width: 1920px) {
    .registration-layout-grid {
        grid-template-columns: 400px 1fr;
        gap: 44px;
    }
    .sidebar-col {
        top: 150px;
    }
    /* Sidebar card padding scales up on large screens */
    .sidebar-card {
        padding: 30px;
    }
    /* Event selector cards slightly larger */
    .event-selector-card {
        padding: 20px;
    }
    .event-icon-emoji {
        font-size: 2.2rem;
    }
    .event-card-details h4 {
        font-size: 1.15rem;
    }
}

@media screen and (min-width: 2560px) {
    .registration-layout-grid {
        grid-template-columns: 460px 1fr;
        gap: 56px;
    }
    .sidebar-card {
        padding: 36px;
    }
}

/* -- Desktop: Form input padding restoration -----------------------------
   Ensure icon-padded inputs in registration forms keep their left padding. */
@media screen and (min-width: 1025px) {
    .registration-section .form-group input:not([type="checkbox"]):not([type="radio"]):not([type="file"]),
    .registration-section .form-group textarea {
        min-height: unset !important;
        min-width: unset !important;
    }
    /* Ensure form buttons row is horizontal on desktop */
    .form-buttons-row {
        flex-direction: row !important;
    }
    .form-buttons-row button,
    .form-buttons-row a {
        width: auto !important;
    }
    /* Mobile sticky submit bar hidden on desktop */
    .mobile-sticky-submit-bar {
        display: none !important;
    }
    /* Remove extra bottom padding added for sticky bar */
    .registration-section {
        padding-bottom: 0 !important;
    }
}

/* -- Event hero banner scaling on large screens ---------------------------*/
@media screen and (min-width: 1920px) {
    .event-hero-banner {
        height: 320px;
    }
    .event-hero-text h2 {
        font-size: 2.8rem;
    }
}

@media screen and (min-width: 2560px) {
    .event-hero-banner {
        height: 400px;
    }
}

/* -- Category radio grid on large screens --------------------------------*/
@media screen and (min-width: 1440px) {
    .category-radio-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media screen and (min-width: 1920px) {
    .category-radio-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* -- Success modal sizing on desktop -------------------------------------*/
@media screen and (min-width: 1025px) {
    .success-modal-card {
        max-width: 680px;
        width: 90%;
    }
}

@media screen and (min-width: 1920px) {
    .success-modal-card {
        max-width: 800px;
    }
}

/* ==========================================================================
   REGISTRATION PAGE � COMPREHENSIVE MOBILE RESPONSIVE FIX (v3.0)
   Covers: form layout, hero, modals, inputs, sticky bar, hamburger
   ========================================================================== */

/* -- Tablet (= 768px) ------------------------------------------------------ */
@media (max-width: 768px) {

    /* Page header: reduce top padding for mobile (no huge gap) */
    .page-header {
        padding: 130px 0 40px 0;
    }

    /* Registration layout already goes single-col at 1024px.
       But inner content card wrappers need tighter padding. */
    .details-section-wrapper,
    .rules-section-wrapper,
    .form-container-wrapper {
        padding: 22px 16px !important;
    }

    /* Event hero banner: more compact on mobile */
    .event-hero-banner {
        height: 200px;
    }

    .event-hero-text {
        padding: 20px 18px;
    }

    .event-hero-text h2 {
        font-size: clamp(1.4rem, 5vw, 1.9rem);
        margin-bottom: 4px;
    }

    .event-hero-text p {
        font-size: 0.92rem;
    }

    /* Details grid: 1 column on mobile */
    .details-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* Detail items: slightly smaller */
    .detail-item {
        padding: 14px 16px;
    }

    /* Form grid: 2-col ? 1-col */
    .form-grid {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }

    /* Full-width form groups reset to normal */
    .form-group.full-width {
        grid-column: span 1 !important;
    }

    /* Inputs: set font-size 16px to prevent iOS auto-zoom */
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px !important;
    }

    /* Block title smaller */
    .block-title {
        font-size: 1.15rem;
        margin-bottom: 18px;
    }

    /* Accordion header smaller */
    .accordion-header {
        font-size: 1rem;
        padding: 16px 18px;
    }

    .accordion-content-inner {
        padding: 18px 16px;
    }

    /* Category radio grid: 1 col */
    .category-radio-grid {
        grid-template-columns: 1fr !important;
        gap: 12px;
    }

    /* Medium checkbox grid: 2 cols on tablet */
    .medium-checkbox-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px;
    }

    /* Coming soon card tighter padding */
    .coming-soon-card {
        padding: 40px 20px;
    }

    /* Form buttons: full-width stacked */
    .form-buttons-row {
        flex-direction: column !important;
        gap: 12px;
    }

    .form-buttons-row button,
    .form-buttons-row a {
        width: 100% !important;
        min-width: unset !important;
        justify-content: center;
    }

    /* Payment modal � full width on mobile */
    .payment-modal-card,
    .success-modal-card {
        max-width: 100% !important;
        margin: 0 !important;
        border-radius: var(--radius-md) !important;
    }

    .payment-modal-header,
    .success-modal-header {
        padding: 22px 20px 16px 20px;
    }

    .payment-modal-body,
    .success-modal-body {
        padding: 18px 16px;
    }

    .payment-modal-footer,
    .success-modal-footer {
        padding: 14px 16px 20px 16px;
        flex-direction: column;
        gap: 10px;
    }

    .payment-modal-footer button,
    .success-modal-footer button {
        width: 100%;
    }

    /* Payment summary card: stack on mobile */
    .payment-summary-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .summary-amount {
        text-align: left;
    }

    /* Sidebar card padding tighter */
    .sidebar-card {
        padding: 18px 16px;
    }

    /* Sidebar title smaller */
    .sidebar-title {
        font-size: 1.1rem;
    }

    /* Sticky bar inner: tighter */
    .sticky-bar-inner {
        gap: 8px;
    }

    /* Registration section bottom padding for sticky bar */
    .registration-section {
        padding-bottom: 100px !important;
    }
}

/* -- Small Mobile (= 480px) ------------------------------------------------ */
@media (max-width: 480px) {

    /* Medium checkbox grid: 1 col on small mobile */
    .medium-checkbox-grid {
        grid-template-columns: 1fr !important;
        gap: 10px;
    }

    /* Hero banner very compact */
    .event-hero-banner {
        height: 175px;
    }

    .event-hero-tag {
        font-size: 0.75rem;
        padding: 3px 8px;
    }

    /* Block title even smaller */
    .block-title {
        font-size: 1.05rem;
    }

    /* Form section title smaller */
    .form-section-title {
        font-size: 0.95rem;
    }

    /* Receipt rows: stack label above value */
    .receipt-row {
        flex-direction: column;
        gap: 2px;
    }

    .receipt-val {
        text-align: left;
    }

    /* ID number smaller */
    .id-number {
        font-size: 1.4rem;
    }

    /* Coming soon buttons full width */
    .contact-coming-soon {
        flex-direction: column;
        align-items: stretch;
    }

    .contact-coming-soon a {
        width: 100%;
        justify-content: center;
        text-align: center;
    }

    /* Page header padding: phones */
    .page-header {
        padding: 110px 0 30px 0;
    }

    /* Details items compact */
    .detail-item {
        padding: 12px 14px;
        gap: 12px;
    }

    .detail-icon-circle {
        width: 38px;
        height: 38px;
        font-size: 1rem;
    }

    /* QR code centered at full width */
    .payment-upi-section {
        grid-template-columns: 1fr !important;
        justify-items: center;
    }

    .qr-code-frame {
        width: 160px;
        height: 160px;
    }

    .upi-instructions-box {
        text-align: center;
    }

    .upi-apps-row {
        justify-content: center;
    }
}

/* -- Very Small (= 360px) --------------------------------------------------- */
@media (max-width: 360px) {

    .event-hero-banner {
        height: 155px;
    }

    .details-section-wrapper,
    .rules-section-wrapper,
    .form-container-wrapper {
        padding: 14px 12px !important;
    }

    .sidebar-card {
        padding: 14px 12px;
    }

    .category-option-card {
        padding: 14px 12px;
    }

    .checkbox-card {
        padding: 12px 14px;
    }

    .form-section-title {
        font-size: 0.9rem;
    }

    .payment-security-badge {
        font-size: 0.75rem;
        padding: 4px 10px;
    }
}

/* -- END � Comprehensive Mobile Responsive v3.0 ---------------------------*/