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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #8B4513 0%, #D2691E 50%, #8B4513 100%);
    min-height: 100vh;
}

.container {
    width: 890px;
    margin: 0 auto;
    display: flex;
    min-height: 100vh;
}

/* Sidebar Menu */
.sidebar {
    width: 180px;
    background: linear-gradient(180deg, #5D3A1A 0%, #3D2314 100%);
    padding: 30px 15px;
    border-left: 3px solid #FFD700;
    box-shadow: -2px 0 10px rgba(0,0,0,0.3);
}

.sidebar .logo {
    display: block;
    width: 100px;
    height: 100px;
    margin: 0 auto 15px;
    border-radius: 26px;
    border: 3px solid #FFD700;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
}

.sidebar h1 {
    color: #FFD700;
    font-size: 18px;
    text-align: center;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.menu {
    list-style: none;
}

.menu li {
    margin-bottom: 15px;
}

.menu li a {
    display: block;
    padding: 12px 15px;
    background: linear-gradient(180deg, #FFD700 0%, #FFA500 100%);
    color: #5D3A1A;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    text-shadow: 1px 1px 2px rgba(255,255,255,0.5);
}

.menu li a:hover {
    background: linear-gradient(180deg, #FFEC8B 0%, #FFD700 100%);
    transform: translateX(-5px);
    box-shadow: -3px 3px 6px rgba(0,0,0,0.4);
}

/* Policy Links */
.policy-links {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #FFD700;
    text-align: center;
}

.policy-links a {
    display: block;
    color: #FFD700;
    text-decoration: none;
    font-size: 11px;
    padding: 6px 0;
    transition: all 0.3s ease;
}

.policy-links a:hover {
    color: #FFEC8B;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.policy-links .divider {
    color: #FFD700;
    font-size: 11px;
    padding: 6px 0;
    opacity: 0.5;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 20px;
    background: rgba(255, 255, 255, 0.95);
}

/* Banner Section */
.banner-section {
    margin-bottom: 25px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    background: linear-gradient(180deg, #8B4513 0%, #A0522D 100%);
    padding: 15px;
}

.banner-section .banner-image {
    width: 100%;
    display: block;
    border-radius: 10px;
    margin-bottom: 15px;
}

.banner-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.banner-buttons img {
    height: 50px;
    cursor: pointer;
    transition: transform 0.3s ease;
    border-radius: 8px;
}

.banner-buttons img:hover {
    transform: scale(1.1);
}

/* About Section */
.about-section {
    background: linear-gradient(180deg, #FFF8DC 0%, #FFFAF0 100%);
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    border: 2px solid #FFD700;
}

.about-section h2 {
    color: #8B4513;
    font-size: 24px;
    margin-bottom: 15px;
    text-shadow: 1px 1px 2px rgba(139, 69, 19, 0.3);
}

.about-section p {
    color: #5D3A1A;
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 10px;
    text-align: justify;
}

/* Game Section */
.game-section {
    background: linear-gradient(180deg, #FFF8DC 0%, #FFFAF0 100%);
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    border: 2px solid #32CD32;
}

.game-section h2 {
    color: #228B22;
    font-size: 24px;
    margin-bottom: 15px;
    text-shadow: 1px 1px 2px rgba(34, 139, 34, 0.3);
}

.game-section p {
    color: #5D3A1A;
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 15px;
    text-align: justify;
}

.game-images {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.game-images img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.2);
    transition: transform 0.3s ease;
}

.game-images img:hover {
    transform: scale(1.05);
}

/* Footer */
.footer {
    text-align: center;
    padding: 15px;
    background: linear-gradient(180deg, #5D3A1A 0%, #3D2314 100%);
    color: #FFD700;
    font-size: 12px;
    border-top: 2px solid #FFD700;
}

.footer p {
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

/* Contact Section */
.contact-section {
    background: linear-gradient(180deg, #FFF8DC 0%, #FFFAF0 100%);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    border: 2px solid #FFD700;
}

.contact-section h2 {
    color: #8B4513;
    font-size: 28px;
    margin-bottom: 25px;
    text-align: center;
    text-shadow: 1px 1px 2px rgba(139, 69, 19, 0.3);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
    background: rgba(255, 215, 0, 0.1);
    border-radius: 10px;
}

.contact-icon {
    font-size: 28px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #FFD700 0%, #FFA500 100%);
    border-radius: 50%;
    box-shadow: 0 3px 6px rgba(0,0,0,0.2);
}

.contact-content h3 {
    color: #8B4513;
    font-size: 16px;
    margin-bottom: 5px;
}

.contact-content p {
    color: #5D3A1A;
    font-size: 14px;
    margin: 2px 0;
}

.contact-content a {
    color: #228B22;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-content a:hover {
    color: #32CD32;
    text-decoration: underline;
}

.contact-form {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid #FFD700;
}

.contact-form h3 {
    color: #8B4513;
    font-size: 20px;
    margin-bottom: 20px;
    text-align: center;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    color: #5D3A1A;
    font-weight: bold;
    margin-bottom: 5px;
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #FFD700;
    border-radius: 8px;
    font-size: 14px;
    background: #fff;
    color: #5D3A1A;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #FFA500;
    box-shadow: 0 0 10px rgba(255, 165, 0, 0.3);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    display: block;
    width: 100%;
    padding: 15px;
    background: linear-gradient(180deg, #32CD32 0%, #228B22 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 3px 6px rgba(0,0,0,0.2);
}

.submit-btn:hover {
    background: linear-gradient(180deg, #90EE90 0%, #32CD32 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(0,0,0,0.3);
}

.required {
    color: #FF4444;
}

.error-message {
    display: block;
    color: #FF4444;
    font-size: 12px;
    margin-top: 5px;
}

.success-message {
    display: block;
    color: #228B22;
    font-size: 14px;
    font-weight: bold;
    text-align: center;
    margin-top: 15px;
    padding: 10px;
    background: rgba(34, 139, 34, 0.1);
    border-radius: 8px;
    border: 1px solid #228B22;
}

#formMessage {
    margin-top: 15px;
}

/* Shop Section */
.shop-section {
    background: linear-gradient(180deg, #FFF8DC 0%, #FFFAF0 100%);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    border: 2px solid #FFD700;
}

.shop-section h2 {
    color: #8B4513;
    font-size: 28px;
    margin-bottom: 25px;
    text-align: center;
    text-shadow: 1px 1px 2px rgba(139, 69, 19, 0.3);
}

/* Coins Introduction */
.coins-intro {
    background: rgba(255, 215, 0, 0.1);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 25px;
}

.coins-intro h3 {
    color: #8B4513;
    font-size: 18px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.coins-intro ul {
    list-style: none;
    padding-left: 0;
}

.coins-intro li {
    color: #5D3A1A;
    font-size: 14px;
    line-height: 1.8;
    padding: 5px 0;
    padding-left: 20px;
    position: relative;
}

.coins-intro li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #32CD32;
    font-weight: bold;
}

/* Coins List */
.coins-list {
    margin-bottom: 25px;
}

.coins-list h3 {
    color: #8B4513;
    font-size: 18px;
    margin-bottom: 15px;
}

.coins-grid-wrapper {
    max-height: 220px;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 10px;
}

.coins-grid-wrapper::-webkit-scrollbar {
    width: 8px;
}

.coins-grid-wrapper::-webkit-scrollbar-track {
    background: rgba(255, 215, 0, 0.2);
    border-radius: 4px;
}

.coins-grid-wrapper::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #FFD700 0%, #FFA500 100%);
    border-radius: 4px;
}

.coins-grid-wrapper::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #FFEC8B 0%, #FFD700 100%);
}

.coins-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.coin-card {
    background: #fff;
    padding: 12px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    border: 2px solid #FFD700;
    transition: all 0.3s ease;
}

.coin-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 10px rgba(0,0,0,0.2);
}

.coin-card.selected {
    border-color: #32CD32;
    box-shadow: 0 0 15px rgba(50, 205, 50, 0.4);
}

.coin-image {
    width: 50px;
    height: auto;
    margin-bottom: 8px;
    border-radius: 5px;
    border: 0px solid #FFD700;
}

.coin-card h4 {
    color: #8B4513;
    font-size: 14px;
    margin-bottom: 6px;
}

.coin-price {
    color: #FF6347;
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 10px;
}

.buy-btn {
    padding: 6px 12px;
    background: linear-gradient(180deg, #FFD700 0%, #FFA500 100%);
    color: #5D3A1A;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.buy-btn:hover {
    background: linear-gradient(180deg, #FFEC8B 0%, #FFD700 100%);
    transform: scale(1.05);
}

/* Order Form */
.order-form {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid #FFD700;
}

.order-form h3 {
    color: #8B4513;
    font-size: 20px;
    margin-bottom: 20px;
    text-align: center;
}

.payment-options {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.payment-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background: #fff;
    border: 2px solid #FFD700;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.payment-option:hover {
    border-color: #FFA500;
    background: rgba(255, 215, 0, 0.1);
}

.payment-option input[type="radio"] {
    display: none;
}

.payment-option span {
    color: #5D3A1A;
    font-size: 14px;
    font-weight: 500;
}

.payment-option input[type="radio"]:checked + span {
    color: #8B4513;
    font-weight: bold;
}

.payment-option input[type="radio"]:checked + span::before {
    content: '✓';
    color: #32CD32;
}

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

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 0;
    margin-right: 5px;
    transform: translateY(1px);
    width: 16px;
    height: 16px;
}

.checkbox-label span {
    color: #5D3A1A;
    font-size: 13px;
    line-height: 1.5;
}

.checkbox-label a {
    color: #228B22;
    text-decoration: none;
}

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

/* Selected Coin Display */
.selected-coin {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    background: rgba(255, 215, 0, 0.15);
    border: 1px dashed #FFD700;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    color: #5D3A1A;
}

.selected-coin i {
    color: #FFD700;
    font-size: 20px;
}

.selected-coin.selected {
    background: rgba(50, 205, 50, 0.15);
    border-color: #32CD32;
    border-style: solid;
}

.selected-coin.selected i {
    color: #32CD32;
}

#orderMessage {
    margin-top: 15px;
}

.loading {
    text-align: center;
    color: #8B4513;
    font-size: 16px;
    padding: 20px;
}

.error {
    text-align: center;
    color: #FF4444;
    font-size: 16px;
    padding: 20px;
}

/* Confirmation Section */
.confirm-section {
    background: linear-gradient(180deg, #FFF8DC 0%, #FFFAF0 100%);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    border: 2px solid #32CD32;
}

.confirm-section h2 {
    color: #228B22;
    font-size: 28px;
    margin-bottom: 25px;
    text-align: center;
    text-shadow: 1px 1px 2px rgba(34, 139, 34, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.confirm-section h2 i {
    color: #32CD32;
}

.error-box {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: rgba(255, 68, 68, 0.1);
    border: 1px solid #FF4444;
    border-radius: 8px;
    color: #FF4444;
    margin-bottom: 20px;
}

.error-box i {
    font-size: 20px;
}

.order-details {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 25px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
}

.order-details h3 {
    color: #8B4513;
    font-size: 20px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #FFD700;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

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

.detail-row .label {
    color: #5D3A1A;
    font-weight: bold;
    font-size: 14px;
}

.detail-row .value {
    color: #8B4513;
    font-size: 14px;
}

.detail-row .value.total {
    color: #FF6347;
    font-size: 18px;
    font-weight: bold;
}

.order-code .value {
    font-family: 'Courier New', monospace;
    color: #228B22;
    font-weight: bold;
}

.payment-redirect {
    background: linear-gradient(180deg, rgba(50, 205, 50, 0.1) 0%, rgba(50, 205, 50, 0.05) 100%);
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 25px;
    text-align: center;
    border: 2px dashed #32CD32;
}

.redirect-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    color: #228B22;
    font-size: 16px;
}

.redirect-info i {
    font-size: 24px;
}

.redirect-info .countdown {
    background: #32CD32;
    color: #fff;
    padding: 5px 12px;
    border-radius: 50%;
    font-weight: bold;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.redirect-btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(180deg, #32CD32 0%, #228B22 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 3px 6px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 auto;
}

.redirect-btn:hover {
    background: linear-gradient(180deg, #90EE90 0%, #32CD32 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(0,0,0,0.3);
}

.no-redirect {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 20px;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid #FFD700;
    border-radius: 8px;
    color: #8B4513;
    margin-bottom: 25px;
}

.no-redirect i {
    color: #FFD700;
    font-size: 20px;
}

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

.back-btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(180deg, #FFD700 0%, #FFA500 100%);
    color: #5D3A1A;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 3px 6px rgba(0,0,0,0.2);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.back-btn:hover {
    background: linear-gradient(180deg, #FFEC8B 0%, #FFD700 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(0,0,0,0.3);
}

/* Payment Result Section */
.payment-result {
    background: linear-gradient(180deg, #FFF8DC 0%, #FFFAF0 100%);
    padding: 40px;
    border-radius: 15px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    text-align: center;
}

.payment-result .success,
.payment-result .failed {
    margin-bottom: 30px;
}

.payment-result .icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 25px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
}

.success .icon {
    background: linear-gradient(180deg, #32CD32 0%, #228B22 100%);
    color: #fff;
    box-shadow: 0 0 30px rgba(50, 205, 50, 0.5);
}

.failed .icon {
    background: linear-gradient(180deg, #FF6347 0%, #DC143C 100%);
    color: #fff;
    box-shadow: 0 0 30px rgba(255, 99, 71, 0.5);
}

.payment-result h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.success h2 {
    color: #228B22;
}

.failed h2 {
    color: #DC143C;
}

.payment-result p {
    color: #5D3A1A;
    font-size: 16px;
    margin-bottom: 25px;
}

.payment-result .details {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 25px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
    display: inline-block;
    text-align: left;
}

.payment-result .detail-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    min-width: 300px;
}

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

.payment-result .detail-item .label {
    color: #5D3A1A;
    font-weight: bold;
}

.payment-result .detail-item .value {
    color: #8B4513;
    font-family: 'Courier New', monospace;
}

.payment-result .detail-item .value.amount {
    color: #228B22;
    font-size: 18px;
    font-weight: bold;
}

.payment-result .detail-item .value.error-text {
    color: #DC143C;
}

.success-msg {
    background: rgba(50, 205, 50, 0.1);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #32CD32;
    color: #228B22 !important;
}

.failed-msg {
    background: rgba(255, 99, 71, 0.1);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #FF6347;
    color: #DC143C !important;
}

.payment-result .action-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.payment-result .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    border-radius: 8px;
    font-weight: bold;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 3px 6px rgba(0,0,0,0.2);
}

.btn-primary {
    background: linear-gradient(180deg, #32CD32 0%, #228B22 100%);
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(180deg, #90EE90 0%, #32CD32 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(0,0,0,0.3);
}

.btn-secondary {
    background: linear-gradient(180deg, #FFD700 0%, #FFA500 100%);
    color: #5D3A1A;
}

.btn-secondary:hover {
    background: linear-gradient(180deg, #FFEC8B 0%, #FFD700 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(0,0,0,0.3);
}

/* Error Section */
.error-section {
    background: linear-gradient(180deg, #FFF8DC 0%, #FFFAF0 100%);
    padding: 40px;
    border-radius: 15px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    text-align: center;
}

.error-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 25px;
    border-radius: 50%;
    background: linear-gradient(180deg, #FFD700 0%, #FFA500 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
}

.error-section h2 {
    font-size: 28px;
    color: #8B4513;
    margin-bottom: 20px;
}

.error-code {
    font-size: 48px;
    font-weight: bold;
    color: #DC143C;
    margin-bottom: 15px;
    font-family: 'Courier New', monospace;
}

.error-section .error-msg {
    color: #5D3A1A;
    font-size: 16px;
    margin-bottom: 25px;
    padding: 15px;
    background: rgba(255, 99, 71, 0.1);
    border-radius: 8px;
    border: 1px solid #FF6347;
}

.error-details {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
    text-align: left;
}

.error-details h3 {
    color: #8B4513;
    font-size: 18px;
    margin-bottom: 15px;
}

.error-details ul {
    list-style: none;
    padding-left: 0;
}

.error-details li {
    color: #5D3A1A;
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
}

.error-details li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #32CD32;
    font-weight: bold;
}

.error-section .action-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.error-section .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    border-radius: 8px;
    font-weight: bold;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 3px 6px rgba(0,0,0,0.2);
    border: none;
    cursor: pointer;
}