/**
 * UPI Instant Payment Gateway - Complete Checkout Styles
 * File: assets/css/checkout.css
 * 
 * Complete styling for payment page, checkout integration,
 * animations, responsive design, and mobile UPI ID fixes.
 *
 * @package UPI_Instant
 * @version 1.0.1
 */

/* ========================================
   1. CSS Variables & Root Settings
   ======================================== */
   :root {
    --upi-primary: #667eea;
    --upi-primary-dark: #5a67d8;
    --upi-secondary: #764ba2;
    --upi-success: #10b981;
    --upi-error: #ef4444;
    --upi-warning: #f59e0b;
    --upi-info: #3b82f6;
    --upi-border-radius: 12px;
    --upi-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --upi-box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --upi-box-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
}

/* ========================================
   2. Main Payment Container
   ======================================== */
.upi-payment-wrapper {
    max-width: 680px;
    margin: 40px auto;
    background: #ffffff;
    border-radius: var(--upi-border-radius);
    box-shadow: var(--upi-box-shadow);
    overflow: hidden;
    animation: slideInUp 0.5s ease;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   3. Payment Header
   ======================================== */
.upi-payment-header {
    background: linear-gradient(135deg, var(--upi-primary) 0%, var(--upi-secondary) 100%);
    color: white;
    padding: 35px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.upi-payment-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(180deg); }
}

.upi-payment-header h1,
.upi-payment-header h2 {
    margin: 0 0 10px;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.5px;
    position: relative;
    z-index: 1;
}

.upi-payment-header .order-info {
    font-size: 16px;
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

.payment-security-badge {
    margin-top: 15px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    color: white;
}

/* ========================================
   4. Payment Content Area
   ======================================== */
.upi-payment-content {
    padding: 35px 30px;
    background: #ffffff;
}

/* ========================================
   5. Payment Info Boxes
   ======================================== */
.payment-info,
.payment-details-box {
    background: linear-gradient(to right, #f8f9fa 0%, #ffffff 100%);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 25px;
    border-left: 4px solid var(--upi-primary);
    position: relative;
    transition: var(--upi-transition);
}

.payment-info:hover,
.payment-details-box:hover {
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.1);
    transform: translateX(5px);
}

.payment-info h3,
.payment-details-box h3 {
    margin: 0 0 18px;
    color: #1f2937;
    font-size: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-icon {
    color: var(--upi-primary);
    font-size: 24px;
}

.payment-info p {
    margin: 10px 0;
    color: #4b5563;
    line-height: 1.7;
    font-size: 15px;
}

.payment-info strong {
    color: #1f2937;
    font-weight: 600;
}

.payment-amount {
    font-size: 28px;
    color: var(--upi-primary);
    font-weight: 700;
    display: inline-block;
    margin-left: 5px;
}

/* Payment Details Grid */
.payment-details-grid {
    display: grid;
    gap: 12px;
}

.payment-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #f3f4f6;
}

.payment-detail-row:last-child {
    border-bottom: none;
}

.payment-detail-row.highlight {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 12px;
    border-radius: 8px;
    border: 2px solid #0ea5e9;
    margin: 10px 0;
}

.payment-detail-row .label {
    font-weight: 600;
    color: #6b7280;
}

.payment-detail-row .value {
    font-weight: 500;
    color: #1f2937;
}

.merchant-name {
    font-weight: 600;
    color: #059669;
}

/* ========================================
   6. Mobile UPI ID Responsive Fixes
   ======================================== */

/* UPI ID Container - General Responsive */
.upi-id-value,
.upi-id-display,
.upi-id-code {
    word-break: break-all;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Payment Details UPI ID */
.payment-detail-row .upi-id-value {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.upi-id-code {
    font-family: 'Courier New', monospace;
    background: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid #e0e0e0;
    font-size: 12px;
    color: #667eea;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upi-id-code:hover,
.upi-id-code:focus {
    border-color: #667eea;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.2);
}

/* Copy button styling */
.copy-btn {
    background: var(--upi-primary);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 4px 8px;
    cursor: pointer;
    transition: var(--upi-transition);
    font-size: 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.copy-btn:hover {
    background: var(--upi-primary-dark);
    transform: translateY(-1px);
}

.copy-btn.copied {
    background: var(--upi-success);
    animation: pulse 0.3s ease;
}

/* Expandable UPI ID for mobile */
@media (max-width: 768px) {
    .upi-id-code {
        max-width: 180px; /* Limit width on mobile */
        font-size: 11px;
    }
    
    .upi-id-code:hover,
    .upi-id-code:focus,
    .upi-id-code.expanded {
        max-width: none;
        white-space: normal;
        word-break: break-all;
        z-index: 10;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        background: #f8f9ff;
        border-color: #667eea;
    }
}

/* Alternative UPI Display Section */
.upi-id-display-box .upi-id {
    font-family: 'Courier New', monospace;
    font-size: 16px;
    font-weight: 700;
    color: var(--upi-primary);
    background: white;
    padding: 12px 15px;
    border-radius: 8px;
    display: block;
    margin: 10px auto;
    letter-spacing: 0.5px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    word-break: break-all;
    line-height: 1.4;
    max-width: 100%;
    position: relative;
}

@media (max-width: 768px) {
    .upi-id-display-box .upi-id {
        font-size: 14px;
        padding: 10px 12px;
        letter-spacing: 0.3px;
        /* Show scrollable version for very long IDs */
        overflow-x: auto;
        white-space: nowrap;
        scrollbar-width: thin;
        scrollbar-color: #667eea #f1f1f1;
    }
    
    /* Custom scrollbar for webkit browsers */
    .upi-id-display-box .upi-id::-webkit-scrollbar {
        height: 6px;
    }
    
    .upi-id-display-box .upi-id::-webkit-scrollbar-track {
        background: #f1f1f1;
        border-radius: 3px;
    }
    
    .upi-id-display-box .upi-id::-webkit-scrollbar-thumb {
        background: #667eea;
        border-radius: 3px;
    }
    
    .upi-id-display-box .upi-id::-webkit-scrollbar-thumb:hover {
        background: #5a67d8;
    }
}

/* Checkout Page UPI Options */
.woocommerce-checkout .upi-id-display {
    font-family: monospace;
    font-size: 12px;
    color: #6b7280;
    margin-top: 5px;
    margin-left: 28px;
    word-break: break-all;
    line-height: 1.3;
}

@media (max-width: 768px) {
    .woocommerce-checkout .upi-id-display {
        font-size: 11px;
        margin-left: 0;
        margin-top: 8px;
        padding: 5px;
        background: #f9f9f9;
        border-radius: 4px;
        border: 1px solid #e5e7eb;
    }
}

/* Enhanced UPI ID with Tooltip/Expandable Feature */
.upi-id-expandable {
    position: relative;
    display: inline-block;
    max-width: 100%;
}

.upi-id-expandable .upi-short {
    display: inline;
}

.upi-id-expandable .upi-full {
    display: none;
}

.upi-id-expandable.expanded .upi-short {
    display: none;
}

.upi-id-expandable.expanded .upi-full {
    display: inline;
}

.upi-expand-btn {
    background: none;
    border: none;
    color: #667eea;
    cursor: pointer;
    font-size: 12px;
    padding: 2px 4px;
    border-radius: 3px;
    transition: background 0.3s ease;
    margin-left: 4px;
}

.upi-expand-btn:hover {
    background: rgba(102, 126, 234, 0.1);
}

/* Mobile-specific UPI ID helper text */
@media (max-width: 768px) {
    .upi-id-helper {
        font-size: 11px;
        color: #6b7280;
        margin-top: 5px;
        font-style: italic;
    }
    
    .upi-mobile-scroll-hint {
        display: block;
        font-size: 10px;
        color: #9ca3af;
        margin-top: 5px;
        text-align: center;
    }
    
    .upi-mobile-scroll-hint::before {
        content: "👆 ";
    }
}

/* Copy button adjustments for mobile */
@media (max-width: 768px) {
    .copy-btn {
        padding: 6px 8px;
        font-size: 12px;
        min-width: 36px;
        height: 36px;
        flex-shrink: 0;
    }
    
    .copy-upi-btn {
        padding: 10px 16px;
        font-size: 14px;
        width: 100%;
        margin-top: 10px;
    }
}

/* Payment Detail Rows Mobile Adjustments */
@media (max-width: 768px) {
    .payment-detail-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 12px;
    }
    
    .payment-detail-row .label {
        font-weight: 600;
        color: #374151;
    }
    
    .payment-detail-row .value {
        width: 100%;
    }
    
    .payment-detail-row.highlight {
        background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
        border-left: 4px solid #0ea5e9;
        border-radius: 8px;
    }
}

/* ========================================
   7. QR Code Container
   ======================================== */
.qr-container {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #f0f4ff 0%, #ffffff 100%);
    border-radius: 15px;
    margin: 30px 0;
    border: 2px dashed #d1d5db;
    position: relative;
    transition: var(--upi-transition);
}

.qr-container:hover {
    border-color: var(--upi-primary);
    background: linear-gradient(135deg, #e8edff 0%, #ffffff 100%);
}

.qr-header {
    font-size: 24px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.qr-header h3 {
    margin: 0;
    font-size: 24px;
}

.qr-icon {
    color: var(--upi-primary);
    font-size: 32px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.qr-code-wrapper {
    position: relative;
    display: inline-block;
}

.qr-code,
#qrcode {
    display: inline-block;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    position: relative;
}

#qrcode canvas,
#qrcode img {
    border-radius: 8px;
    display: block;
}

#qrcode::after {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(45deg, var(--upi-primary), var(--upi-secondary));
    border-radius: 12px;
    z-index: -1;
    opacity: 0.3;
    filter: blur(10px);
}

.qr-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    background: rgba(255, 255, 255, 0.95);
    padding: 20px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #f3f4f6;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.qr-actions {
    margin-top: 15px;
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Download QR Button */
#download-qr,
#refresh-qr {
    display: none;
    margin-top: 10px;
    padding: 10px 24px;
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    color: #4b5563;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: var(--upi-transition);
}

#download-qr:hover,
#refresh-qr:hover {
    background: var(--upi-primary);
    color: white;
    border-color: var(--upi-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.qr-instruction.desktop-only {
    margin-top: 15px;
    color: #6b7280;
    font-size: 14px;
}

.merchant-confirmation {
    text-align: center;
    margin-top: 15px;
    padding: 10px;
    background: rgba(40, 167, 69, 0.1);
    border-radius: 5px;
    color: #155724;
    animation: gentle-pulse 2s ease-in-out infinite;
}

@keyframes gentle-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* ========================================
   8. UPI ID Display Box
   ======================================== */
.upi-id-display-box {
    background: linear-gradient(135deg, #f0f4ff 0%, #e8edff 100%);
    border: 2px solid var(--upi-primary);
    border-radius: 12px;
    padding: 20px;
    margin: 25px 0;
    text-align: center;
    position: relative;
}

.upi-id-display-box::before {
    content: '🔑';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: 0 10px;
    font-size: 24px;
}

.upi-id-display-box p {
    color: #4b5563;
    margin-bottom: 15px;
    font-size: 14px;
}

.upi-id-display-box h4 {
    color: #1f2937;
    margin: 0 0 15px;
    font-size: 18px;
}

.upi-alternative-content h4 {
    color: #1f2937;
    margin: 0 0 15px;
}

.or-divider {
    position: relative;
    text-align: center;
    margin: 30px 0;
}

.or-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e5e7eb;
}

.or-divider span {
    background: white;
    padding: 0 20px;
    color: #9ca3af;
    font-weight: 600;
    position: relative;
}

#copy-upi-id,
#copy-upi-id-alt {
    padding: 10px 24px;
    background: var(--upi-primary);
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: var(--upi-transition);
    position: relative;
    overflow: hidden;
}

#copy-upi-id:hover,
#copy-upi-id-alt:hover {
    background: var(--upi-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

#copy-upi-id:active,
#copy-upi-id-alt:active {
    transform: translateY(0);
}

/* ========================================
   9. Payment Apps Buttons
   ======================================== */
.payment-apps {
    margin: 25px 0;
}

.payment-apps h4 {
    color: #1f2937;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.payment-app-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
    margin-top: 15px;
}

.payment-app-btn {
    padding: 12px;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--upi-transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #4b5563;
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.payment-app-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(102, 126, 234, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.payment-app-btn:hover::before {
    width: 300px;
    height: 300px;
}

.payment-app-btn:hover {
    border-color: var(--upi-primary);
    background: #f8f9ff;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.2);
    color: var(--upi-primary);
}

.payment-app-btn span {
    position: relative;
    z-index: 1;
}

.app-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 16px;
}

.gpay-icon { background: #4285f4; }
.phonepe-icon { background: #5f2d91; }
.paytm-icon { background: #00baf2; }
.bhim-icon { background: #ff6b35; }
.whatsapp-icon { background: #25d366; }
.default-icon { background: #6b7280; }

/* ========================================
   10. Payment Instructions
   ======================================== */
.payment-instructions {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border: 1px solid #fcd34d;
    border-radius: 12px;
    padding: 25px;
    margin: 25px 0;
    position: relative;
}

.payment-instructions::before {
    content: '📋';
    position: absolute;
    top: -15px;
    left: 30px;
    background: white;
    padding: 0 10px;
    font-size: 24px;
}

.payment-instructions h4 {
    color: #92400e;
    margin: 0 0 18px;
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.instructions-list {
    display: grid;
    gap: 15px;
}

.instruction-step {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    padding: 15px;
    background: white;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.instruction-step:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.instruction-step.highlight {
    background: linear-gradient(135deg, #fff7ed 0%, #fed7aa 100%);
    border-color: #fb923c;
}

.step-number {
    min-width: 30px;
    height: 30px;
    background: #667eea;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content strong {
    color: #1f2937;
    font-size: 15px;
}

.step-content p {
    margin: 5px 0 0;
    color: #4b5563;
    line-height: 1.5;
}

/* ========================================
   11. Timer Container
   ======================================== */
.timer-section,
#timer-container {
    text-align: center;
    margin: 35px 0;
    position: relative;
}

.timer-content {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 2px solid #f59e0b;
    border-radius: 12px;
    padding: 25px;
}

.timer-content h4 {
    color: #92400e;
    margin: 0 0 15px;
    font-size: 20px;
}

.timer-instruction {
    color: #92400e;
    margin-bottom: 20px;
    font-size: 16px;
}

.timer-display,
#timer-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin: 20px 0;
    font-size: 24px;
    font-weight: bold;
    color: #92400e;
}

.timer-icon {
    font-size: 32px;
    animation: pulse 2s infinite;
}

.timer-text,
#timer-text {
    font-size: 24px;
}

.time {
    color: #dc2626;
    font-weight: 700;
}

.timer-hint {
    color: #78350f;
    font-size: 14px;
    margin-top: 15px;
}

#timer-display.timer-warning {
    color: var(--upi-warning);
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border-color: #fcd34d;
    animation: pulse 2s infinite;
}

#timer-display.timer-urgent {
    color: var(--upi-error);
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    border-color: #f87171;
    animation: pulse 1s infinite, shake 0.5s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-2px); }
    75% { transform: translateX(2px); }
}

/* ========================================
   12. Continue & Upload Containers
   ======================================== */
.continue-section,
.upload-section,
#continue-container,
#upload-container {
    display: none;
    text-align: center;
    margin: 35px 0;
    animation: fadeIn 0.5s ease;
}

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

.continue-section {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border: 2px solid #10b981;
    border-radius: 12px;
    padding: 30px;
}

.upload-section {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 2px solid #0ea5e9;
    border-radius: 12px;
    padding: 25px;
}

.success-indicator {
    margin-bottom: 25px;
}

.success-icon {
    width: 60px;
    height: 60px;
    background: #10b981;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 30px;
    animation: bounce 2s infinite;
}

.success-indicator h4 {
    color: #065f46;
    margin: 0 0 10px;
    font-size: 20px;
}

.success-indicator p {
    color: #047857;
    margin: 0;
}

.upload-header h4 {
    color: #1e40af;
    margin: 0 0 12px;
    font-size: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.upload-header p {
    color: #1e40af;
    margin: 0;
}

/* ========================================
   13. Upload Instructions & Container
   ======================================== */
.upload-requirements {
    background: linear-gradient(135deg, #e0f2fe 0%, #ddd6fe 100%);
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
    border: 1px solid #bae6fd;
}

.upload-requirements h5 {
    color: #1e40af;
    margin: 0 0 15px;
    font-size: 16px;
}

.upload-requirements ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.upload-requirements li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    color: #1e40af;
}

/* Drag and Drop Area */
.upload-area {
    border: 2px dashed #cbd5e1;
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    margin: 20px 0;
    transition: all 0.3s ease;
    background: white;
    position: relative;
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: #0ea5e9;
    background: #f0f9ff;
}

.upload-icon {
    font-size: 48px;
    color: #94a3b8;
    margin-bottom: 15px;
}

.drag-drop-text {
    color: #6b7280;
    font-size: 14px;
    margin-top: 10px;
}

#upload-container.drag-over {
    background: #f0f9ff;
    border: 2px dashed var(--upi-primary);
    border-radius: 12px;
    padding: 20px;
}

/* ========================================
   14. Buttons Styling
   ======================================== */
.btn-primary,
.continue-button,
.upload-confirm-btn {
    background: linear-gradient(135deg, var(--upi-primary) 0%, var(--upi-secondary) 100%);
    color: white;
    padding: 16px 40px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--upi-transition);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary::before,
.continue-button::before,
.upload-confirm-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 0.5s;
}

.btn-primary:hover::before,
.continue-button:hover::before,
.upload-confirm-btn:hover::before {
    left: 100%;
}

.btn-primary:hover:not(:disabled),
.continue-button:hover:not(:disabled),
.upload-confirm-btn:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.btn-primary:active:not(:disabled),
.continue-button:active:not(:disabled),
.upload-confirm-btn:active:not(:disabled) {
    transform: translateY(-1px);
}

.btn-primary:disabled,
.continue-button:disabled,
.upload-confirm-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-secondary,
.upload-btn {
    background: #3b82f6;
    color: white;
    padding: 14px 32px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--upi-transition);
    margin: 0 8px;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary:hover:not(:disabled),
.upload-btn:hover:not(:disabled) {
    background: #2563eb;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

#confirm-upload-btn {
    display: none;
    background: var(--upi-success);
    margin-top: 20px;
}

#confirm-upload-btn:hover {
    background: #059669;
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

/* Pulse Animation for Continue Button */
.pulse-animation {
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    }
    50% {
        box-shadow: 0 4px 30px rgba(102, 126, 234, 0.6);
    }
}

.upload-actions {
    margin-top: 20px;
}

.skip-option {
    margin-top: 20px;
}

.skip-link,
#skip-screenshot {
    display: inline-block;
    color: #9ca3af;
    text-decoration: none;
    font-size: 14px;
    transition: var(--upi-transition);
    position: relative;
}

.skip-link::after,
#skip-screenshot::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: #6b7280;
    transition: width 0.3s;
}

.skip-link:hover,
#skip-screenshot:hover {
    color: #6b7280;
}

.skip-link:hover::after,
#skip-screenshot:hover::after {
    width: 100%;
}

/* ========================================
   15. Screenshot Preview
   ======================================== */
.screenshot-preview,
#screenshot-preview {
    margin: 25px 0;
}

.preview-container {
    position: relative;
    display: inline-block;
    max-width: 100%;
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.preview-container img {
    max-width: 100%;
    max-height: 300px;
    border: 3px solid var(--upi-primary);
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    cursor: zoom-in;
    transition: var(--upi-transition);
}

.preview-container img:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.remove-preview {
    position: absolute;
    top: -12px;
    right: -12px;
    width: 36px;
    height: 36px;
    background: var(--upi-error);
    color: white;
    border: 2px solid white;
    border-radius: 50%;
    font-size: 24px;
    line-height: 30px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
    transition: var(--upi-transition);
    z-index: 10;
}

.remove-preview:hover {
    background: #dc2626;
    transform: scale(1.1) rotate(90deg);
}

/* File Info */
#file-info {
    display: block;
    margin-top: 15px;
    padding: 10px;
    background: #f3f4f6;
    border-radius: 8px;
    color: #4b5563;
    font-size: 14px;
}

/* ========================================
   16. Alert Messages
   ======================================== */
.upi-alert {
    padding: 16px 20px;
    border-radius: 10px;
    margin: 20px 0;
    position: relative;
    animation: slideDown 0.3s ease;
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.alert-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.alert-success::before {
    content: '✓';
    font-size: 20px;
    font-weight: bold;
}

.alert-error {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.alert-error::before {
    content: '⚠';
    font-size: 20px;
}

.alert-info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
    border: 1px solid #93c5fd;
}

.alert-info::before {
    content: 'ℹ';
    font-size: 20px;
}

.alert-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
    border: 1px solid #fbbf24;
}

.alert-warning::before {
    content: '!';
    font-size: 20px;
    font-weight: bold;
}

.close-alert {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.3s;
    color: inherit;
}

.close-alert:hover {
    opacity: 1;
}

/* ========================================
   17. Loading Overlay
   ======================================== */
.upi-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.2s ease;
}

.upi-loading {
    background: white;
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    min-width: 280px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f4f6;
    border-top: 4px solid var(--upi-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.upi-loading p {
    margin: 15px 0 0;
    color: #4b5563;
    font-size: 16px;
    font-weight: 500;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 6px;
    background: #f3f4f6;
    border-radius: 3px;
    overflow: hidden;
    margin-top: 20px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--upi-primary), var(--upi-secondary));
    border-radius: 3px;
    transition: width 0.3s ease;
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer-progress 1.5s infinite;
}

@keyframes shimmer-progress {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ========================================
   18. Success Animation
   ======================================== */
.success-checkmark {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    position: relative;
}

.check-icon {
    width: 80px;
    height: 80px;
    position: relative;
    border-radius: 50%;
    box-sizing: content-box;
    border: 4px solid #4caf50;
}

.check-icon::before {
    top: 3px;
    left: -2px;
    width: 30px;
    transform-origin: 100% 50%;
    border-radius: 100px 0 0 100px;
}

.check-icon::after {
    top: 0;
    left: 30px;
    width: 60px;
    transform-origin: 0 50%;
    border-radius: 0 100px 100px 0;
    animation: rotate-circle 4.25s ease-in;
}

.check-icon::before,
.check-icon::after {
    content: '';
    height: 100px;
    position: absolute;
    background: #fff;
    transform: rotate(-45deg);
}

.icon-line {
    height: 5px;
    background-color: #4caf50;
    display: block;
    border-radius: 2px;
    position: absolute;
    z-index: 10;
}

.icon-line.line-tip {
    top: 46px;
    left: 14px;
    width: 25px;
    transform: rotate(45deg);
    animation: icon-line-tip 0.75s;
}

.icon-line.line-long {
    top: 38px;
    right: 8px;
    width: 47px;
    transform: rotate(-45deg);
    animation: icon-line-long 0.75s;
}

.success-checkmark.animate .check-icon {
    animation: animate-success 0.75s;
}

@keyframes animate-success {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes icon-line-tip {
    0% {
        width: 0;
        left: 1px;
        top: 19px;
    }
    54% {
        width: 0;
        left: 1px;
        top: 19px;
    }
    70% {
        width: 50px;
        left: -8px;
        top: 37px;
    }
    84% {
        width: 17px;
        left: 21px;
        top: 48px;
    }
    100% {
        width: 25px;
        left: 14px;
        top: 45px;
    }
}

@keyframes icon-line-long {
    0% {
        width: 0;
        right: 46px;
        top: 54px;
    }
    65% {
        width: 0;
        right: 46px;
        top: 54px;
    }
    84% {
        width: 55px;
        right: 0;
        top: 35px;
    }
    100% {
        width: 47px;
        right: 8px;
        top: 38px;
    }
}

/* ========================================
   19. Image Modal
   ======================================== */
.upi-image-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
    cursor: zoom-out;
}

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.modal-content img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 36px;
    font-weight: 300;
    cursor: pointer;
    transition: color 0.3s;
}

.modal-close:hover {
    color: var(--upi-error);
}

/* ========================================
   20. Checkout Page Styles
   ======================================== */
.woocommerce-checkout .upi-instant-options {
    margin: 20px 0;
}

.woocommerce-checkout .upi-instant-description {
    margin-bottom: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid var(--upi-primary);
}

.upi-instant-options fieldset {
    border: none;
    padding: 0;
    margin: 0;
}

.upi-options-title {
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.woocommerce-checkout .upi-option-label {
    display: flex;
    align-items: center;
    padding: 15px;
    margin-bottom: 10px;
    background: #f9fafb;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--upi-transition);
    position: relative;
}

.woocommerce-checkout .upi-option-label:hover {
    background: #f3f4f6;
    border-color: var(--upi-primary);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.1);
}

.woocommerce-checkout .upi-option-label.selected,
.woocommerce-checkout .upi-option-label:has(.upi-option-radio:checked) {
    background: linear-gradient(135deg, #f0f4ff 0%, #e8edff 100%);
    border-color: var(--upi-primary);
    box-shadow: 0 0 0 1px var(--upi-primary);
}

.upi-option-radio {
    margin-right: 15px;
    transform: scale(1.2);
}

.upi-option-content {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.upi-option-text {
    font-weight: 500;
    color: #333;
    font-size: 15px;
    margin-bottom: 5px;
}

.woocommerce-checkout .upi-id-display code {
    background: #fff;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    border: 1px solid #e0e0e0;
}

.woocommerce-checkout .upi-option-label:has(.upi-option-radio:checked) .upi-id-display code {
    background: #fff;
    border-color: #667eea;
    color: #667eea;
}

/* ========================================
   21. Order Summary Enhancement
   ======================================== */
.order-summary {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 12px;
    margin: 25px 0;
    border: 1px solid #e9ecef;
}

.order-summary h3 {
    margin: 0 0 20px;
    color: #333;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
}

.order-items {
    display: grid;
    gap: 15px;
    margin-bottom: 20px;
}

.order-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
}

.item-details {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
}

.item-image img {
    border-radius: 4px;
}

.item-info {
    flex: 1;
}

.item-name {
    margin: 0 0 5px;
    font-size: 16px;
    font-weight: 600;
    color: #1f2937;
}

.item-quantity {
    font-size: 14px;
    color: #6b7280;
}

.item-meta {
    margin-top: 5px;
}

.item-meta small {
    display: block;
    color: #9ca3af;
    font-size: 12px;
}

.item-price {
    font-weight: 600;
    font-size: 16px;
    color: #059669;
}

.order-totals {
    border-top: 2px solid #e5e7eb;
    padding-top: 15px;
}

.total-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
}

.total-row.discount-row .total-value {
    color: #dc2626;
}

.total-row.grand-total {
    border-top: 1px solid #e5e7eb;
    margin-top: 10px;
    padding-top: 15px;
    font-size: 18px;
    font-weight: bold;
}

.total-label {
    color: #6b7280;
}

.total-value {
    color: #1f2937;
    font-weight: 500;
}

/* ========================================
   22. Help & Support Section
   ======================================== */
.help-support-section {
    margin: 30px 0;
}

.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.help-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.help-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-3px);
}

.help-icon {
    width: 50px;
    height: 50px;
    background: #f3f4f6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 24px;
    color: #6b7280;
}

.help-card h4 {
    margin: 0 0 15px;
    color: #1f2937;
    font-size: 18px;
}

.help-card p {
    color: #6b7280;
    line-height: 1.6;
    margin: 0 0 15px;
}

.contact-details {
    margin-top: 15px;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 8px 0;
}

.contact-item a {
    color: #0ea5e9;
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.order-reference p {
    margin: 8px 0;
    text-align: left;
}

.order-reference strong {
    color: #1f2937;
}

.order-id,
.order-status {
    font-weight: 600;
    color: var(--upi-primary);
}

/* Payment Actions */
.payment-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px 0;
    padding-top: 20px;
    border-top: 1px solid #e5e7eb;
    flex-wrap: wrap;
}

.cancel-link,
.retry-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.cancel-link {
    color: #dc2626;
    background: #fee2e2;
    border: 1px solid #fca5a5;
}

.cancel-link:hover {
    background: #fecaca;
    transform: translateY(-2px);
}

.retry-link {
    color: #0ea5e9;
    background: #f0f9ff;
    border: 1px solid #bae6fd;
}

.retry-link:hover {
    background: #e0f2fe;
    transform: translateY(-2px);
}

/* ========================================
   23. Mobile Responsive Styles
   ======================================== */
@media (max-width: 768px) {
    .upi-payment-wrapper {
        margin: 20px 15px;
        border-radius: 8px;
    }
    
    .upi-payment-header {
        padding: 25px 20px;
    }
    
    .upi-payment-header h1,
    .upi-payment-header h2 {
        font-size: 24px;
    }
    
    .upi-payment-content {
        padding: 25px 20px;
    }
    
    .payment-info,
    .payment-details-box {
        padding: 20px;
    }
    
    .payment-amount {
        font-size: 24px;
    }
    
    .qr-container {
        padding: 30px 15px;
    }
    
    .qr-header {
        font-size: 20px;
    }
    
    .qr-header h3 {
        font-size: 20px;
    }
    
    #qrcode canvas,
    #qrcode img {
        max-width: 240px;
        height: auto;
    }
    
    .payment-app-buttons {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .payment-app-btn {
        padding: 12px 8px;
        font-size: 12px;
    }
    
    .instruction-step {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .step-number {
        align-self: center;
    }
    
    .timer-display,
    #timer-display {
        flex-direction: column;
        font-size: 20px;
        gap: 10px;
    }
    
    .btn-primary,
    .btn-secondary,
    .continue-button,
    .upload-btn,
    .upload-confirm-btn {
        padding: 14px 28px;
        font-size: 15px;
        width: 100%;
        margin: 10px 0;
    }
    
    .upi-loading {
        padding: 30px 20px;
        width: 90%;
    }
    
    .modal-content {
        max-width: 95%;
    }
    
    .preview-container img {
        max-height: 200px;
    }
    
    .help-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .payment-actions {
        flex-direction: column;
    }
    
    .order-item {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .item-details {
        flex-direction: column;
        text-align: center;
    }
    
    .merchant-name-preview {
        margin: 10px 0;
        padding: 10px;
    }
    
    .upload-area {
        padding: 30px 15px;
    }
    
    .order-summary {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .upi-payment-header h1,
    .upi-payment-header h2 {
        font-size: 20px;
    }
    
    .payment-info h3,
    .payment-details-box h3 {
        font-size: 18px;
    }
    
    .payment-amount {
        font-size: 20px;
        display: block;
        margin-top: 5px;
    }
    
    #qrcode canvas,
    #qrcode img {
        max-width: 200px;
    }
    
    .qr-header {
        font-size: 18px;
        flex-direction: column;
        gap: 8px;
    }
    
    .qr-header h3 {
        font-size: 18px;
    }
    
    .qr-icon {
        font-size: 28px;
    }
    
    .timer-display,
    #timer-display {
        font-size: 18px;
        padding: 12px 24px;
    }
    
    .payment-app-buttons {
        grid-template-columns: 1fr;
    }
    
    /* Mobile UPI ID responsive fixes */
    .upi-id-code {
        font-size: 10px;
        max-width: 160px;
    }
    
    .upi-id-display-box .upi-id {
        font-size: 13px;
        padding: 8px 10px;
    }
    
    .woocommerce-checkout .upi-id-display {
        font-size: 10px;
    }
    
    .instruction-step {
        padding: 12px;
    }
    
    .step-content strong {
        font-size: 14px;
    }
    
    .upload-area {
        padding: 25px 10px;
    }
    
    .upload-icon {
        font-size: 36px;
    }
}

/* ========================================
   24. Touch Device Optimizations
   ======================================== */
.upi-mobile .touch-active {
    transform: scale(0.95);
    opacity: 0.8;
}

.upi-mobile .mobile-only {
    display: block !important;
}

.upi-mobile .desktop-only {
    display: none !important;
}

.upi-mobile #qrcode {
    transform: scale(0.9);
}

/* ========================================
   25. Accessibility Enhancements
   ======================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

*:focus {
    outline: 2px solid var(--upi-primary);
    outline-offset: 2px;
}

button:focus,
a:focus,
input:focus {
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

/* Accessibility improvements for UPI IDs */
.upi-id-code:focus,
.upi-id-display:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .upi-payment-wrapper {
        border: 2px solid currentColor;
    }
    
    .btn-primary,
    .btn-secondary {
        border: 2px solid currentColor;
    }
    
    #qrcode {
        border: 3px solid currentColor;
    }
}

/* ========================================
   26. Print Styles
   ======================================== */
@media print {
    .upi-payment-wrapper {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .btn-primary,
    .btn-secondary,
    .payment-apps,
    #timer-container,
    #continue-container,
    #upload-container,
    .help-support-section,
    .payment-actions {
        display: none !important;
    }
    
    .upi-payment-header {
        background: none;
        color: #000;
        border-bottom: 2px solid #000;
    }
    
    #qrcode {
        border: 2px solid #000;
        padding: 10px;
    }
    
    /* Print styles for UPI IDs */
    .upi-id-code,
    .upi-id-display-box .upi-id,
    .woocommerce-checkout .upi-id-display {
        font-size: 12px !important;
        word-break: break-all !important;
        white-space: normal !important;
        max-width: none !important;
        overflow: visible !important;
    }
}

/* ========================================
   27. Dark Mode Support
   ======================================== */
@media (prefers-color-scheme: dark) {
    .upi-payment-wrapper {
        background: #1f2937;
        color: #f3f4f6;
    }
    
    .upi-payment-content {
        background: #1f2937;
    }
    
    .payment-info,
    .payment-details-box {
        background: linear-gradient(to right, #374151 0%, #1f2937 100%);
        border-left-color: #8b5cf6;
    }
    
    .payment-info h3,
    .payment-details-box h3,
    .payment-info strong {
        color: #f3f4f6;
    }
    
    .payment-info p {
        color: #d1d5db;
    }
    
    .qr-container {
        background: linear-gradient(135deg, #374151 0%, #1f2937 100%);
        border-color: #4b5563;
    }
    
    .qr-header,
    .qr-header h3 {
        color: #f3f4f6;
    }
    
    #qrcode {
        background: #fff;
    }
    
    .upi-id-display-box {
        background: linear-gradient(135deg, #374151 0%, #4b5563 100%);
        border-color: #8b5cf6;
    }
    
    .payment-app-btn {
        background: #374151;
        border-color: #4b5563;
        color: #d1d5db;
    }
    
    .payment-app-btn:hover {
        background: #4b5563;
        border-color: #8b5cf6;
        color: #f3f4f6;
    }
    
    .upi-loading {
        background: #374151;
        color: #f3f4f6;
    }
    
    .spinner {
        border-color: #4b5563;
        border-top-color: #8b5cf6;
    }
    
    .upi-loading p {
        color: #d1d5db;
    }
    
    .upload-requirements {
        background: linear-gradient(135deg, #374151 0%, #4b5563 100%);
        border-color: #6b7280;
    }
    
    .upload-requirements h5,
    .upload-requirements li {
        color: #d1d5db;
    }
    
    .payment-instructions {
        background: linear-gradient(135deg, #374151 0%, #4b5563 100%);
        border-color: #6b7280;
    }
    
    .payment-instructions h4 {
        color: #fbbf24;
    }
    
    .instruction-step {
        background: #374151;
        border-color: #4b5563;
    }
    
    .step-content strong,
    .step-content p {
        color: #d1d5db;
    }
    
    .order-summary,
    .help-card,
    .order-item {
        background: #374151;
        border-color: #4b5563;
    }
    
    .order-summary h3,
    .help-card h4,
    .item-name,
    .total-label,
    .total-value {
        color: #f3f4f6;
    }
    
    .help-card p,
    .item-quantity,
    .item-meta small {
        color: #d1d5db;
    }
}

/* ========================================
   28. Reduced Motion
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.upload-status {
    margin-top: 20px;
}