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

:root {
    --primary-color: #3498db;
    --primary-hover: #2980b9;
    --secondary-color: #2c3e50;
    --text-color: #333;
    --bg-color: #f5f5f5;
    --card-bg: #fff;
    --border-color: #ddd;
    --success-color: #2ecc71;
    --error-color: #e74c3c;
    --code-bg: #f8f8f8;
}

[data-theme="dark"] {
    --primary-color: #3498db;
    --primary-hover: #56a6e0;
    --secondary-color: #2c3e50;
    --text-color: #f5f5f5;
    --bg-color: #1a1a1a;
    --card-bg: #2d2d2d;
    --border-color: #444;
    --success-color: #2ecc71;
    --error-color: #e74c3c;
    --code-bg: #3a3a3a;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    padding: 20px;
    transition: background-color 0.3s, color 0.3s;
}

header {
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
    padding: 1rem;
    border-radius: 5px 5px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
}

main {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 0 0 5px 5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

section {
    margin-bottom: 2rem;
    padding: 15px;
    border-radius: 5px;
    border: 1px solid var(--border-color);
}

h1, h2, h3 {
    margin-bottom: 1rem;
}

textarea {
    width: 100%;
    height: 300px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: monospace;
    resize: vertical;
    background-color: var(--card-bg);
    color: var(--text-color);
}

button {
    padding: 10px 15px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-right: 10px;
    margin-top: 10px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: var(--primary-hover);
}

.secondary-btn {
    background-color: var(--secondary-color);
}

.secondary-btn:hover {
    background-color: #3a516b;
}

.tabs {
    display: flex;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.tab {
    padding: 10px 20px;
    background-color: var(--border-color);
    color: var(--text-color);
    border: none;
    border-radius: 5px 5px 0 0;
    cursor: pointer;
    margin-top: 0;
}

.tab.active {
    background-color: var(--primary-color);
    color: white;
}

.tab-content {
    display: none;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 0 5px 5px 5px;
}

.tab-content.active {
    display: block;
}

#file-input, #zip-input {
    display: none;
}

.file-label {
    display: inline-block;
    padding: 10px 15px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 10px;
    transition: background-color 0.3s;
}

.file-label:hover {
    background-color: var(--primary-hover);
}

.hidden {
    display: none;
}

.link-item {
    margin-bottom: 15px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background-color: var(--card-bg);
}

.link-url {
    font-family: monospace;
    word-break: break-all;
    background-color: var(--code-bg);
    padding: 2px 5px;
    border-radius: 3px;
}

.status-blocked {
    color: var(--error-color);
    font-weight: bold;
}

.status-available {
    color: var(--success-color);
    font-weight: bold;
}

footer {
    text-align: center;
    margin-top: 20px;
    color: #7f8c8d;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

#links-result {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 15px;
}

#replaced-code-container {
    margin-top: 20px;
}

.help-content {
    line-height: 1.7;
}

.help-content h3 {
    margin-top: 1rem;
}

.help-content ol, .help-content ul {
    margin-left: 20px;
    margin-bottom: 1rem;
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* 开关样式 */
.theme-switch {
    display: flex;
    align-items: center;
}

#theme-label {
    margin-left: 10px;
    font-size: 14px;
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:focus + .slider {
    box-shadow: 0 0 1px var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(30px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

.download-item {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
}

.download-item a {
    margin-left: 10px;
    color: var(--primary-color);
    text-decoration: none;
}

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

/* ZIP相关样式 */
#zip-options {
    margin: 15px 0;
    padding: 10px;
    background-color: var(--code-bg);
    border-radius: 5px;
}

.radio-group {
    margin-top: 10px;
}

.radio-container {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    cursor: pointer;
}

.radio-text {
    margin-left: 8px;
}

#zip-files-list {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    padding: 10px;
    border-radius: 5px;
}

.zip-file-item {
    padding: 5px;
    margin-bottom: 5px;
    border-bottom: 1px dashed var(--border-color);
}

.zip-file-item:last-child {
    border-bottom: none;
}

.zip-file-path {
    font-family: monospace;
    font-size: 0.9em;
    margin-bottom: 3px;
    word-break: break-all;
}

.success-message {
    color: var(--success-color);
    margin-top: 10px;
    font-weight: bold;
}

/* 进度条样式 */
.progress-container {
    margin: 20px 0;
}

.progress-bar {
    height: 20px;
    background-color: var(--border-color);
    border-radius: 10px;
    overflow: hidden;
}

.progress {
    height: 100%;
    background-color: var(--primary-color);
    width: 0%;
    transition: width 0.3s;
}

#progress-text {
    margin-top: 5px;
    text-align: center;
    font-size: 0.9em;
}

#zip-summary {
    padding: 10px;
    background-color: var(--code-bg);
    border-radius: 5px;
    margin-bottom: 15px;
}

/* 用户状态栏样式 */
#user-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--card-bg);
    padding: 10px 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

#auth-buttons {
    display: flex;
    gap: 10px;
}

#user-panel {
    display: flex;
    align-items: center;
    gap: 15px;
}

#username-display {
    font-weight: bold;
}

#vip-status {
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: bold;
}

#vip-status.active {
    background-color: var(--success-color);
    color: white;
}

#vip-status.expired {
    background-color: var(--error-color);
    color: white;
}

/* 取消VIP按钮样式 */
.cancel-vip-btn {
    background-color: #f39c12;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 5px 10px;
    font-size: 12px;
    cursor: pointer;
    margin-left: 10px;
}

.cancel-vip-btn:hover {
    background-color: #e67e22;
}

/* 弹窗样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 5px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.close-modal {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-color);
}

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

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.error-message {
    color: var(--error-color);
    margin-top: 10px;
}

/* VIP价格卡片 */
.vip-pricing {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin-top: 20px;
    gap: 20px;
}

.price-card {
    background-color: var(--bg-color);
    border-radius: 5px;
    padding: 20px;
    text-align: center;
    width: 45%;
    min-width: 200px;
    border: 1px solid var(--border-color);
}

.price-card h3 {
    margin-bottom: 10px;
}

.price {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 15px;
}

.discount {
    color: var(--success-color);
    margin-bottom: 15px;
    font-weight: bold;
}

/* 购买加载状态样式 */
.purchase-loading {
    margin-top: 10px;
    color: var(--primary-color);
    font-style: italic;
}

/* 确保模态窗口默认隐藏 */
.modal.hidden {
    display: none !important;
}

#vip-success-modal {
    display: none;
}

#vip-success-modal.hidden {
    display: none !important;
}

/* 支付状态提示样式 */
#payment-status-tip {
    margin-top: 15px;
    padding: 10px;
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
    border-radius: 5px;
    font-size: 14px;
    text-align: center;
    color: #0c5460;
    font-weight: bold;
}

/* 支付等待动画 */
.payment-waiting {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 10px 0;
}

.payment-waiting .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--primary-color);
    margin: 0 4px;
    animation: pulse 1.5s infinite;
}

.payment-waiting .dot:nth-child(2) {
    animation-delay: 0.5s;
}

.payment-waiting .dot:nth-child(3) {
    animation-delay: 1s;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
    }
}

/* 支付结果页面样式增强 */
.payment-result-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 20px;
    text-align: center;
    margin: 20px auto;
    max-width: 500px;
}

/* 支付相关样式 */
.payment-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    margin: 30px auto;
    max-width: 500px;
}

.qr-code-container {
    background: white;
    padding: 20px;
    display: inline-block;
    border-radius: 5px;
    margin: 20px auto;
}

.payment-status-spinner {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
    margin: 20px auto;
}

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

/* 响应式调整 */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    header {
        flex-direction: column;
        gap: 10px;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .tabs {
        flex-direction: column;
        gap: 5px;
    }
    
    .tab {
        border-radius: 5px;
    }
    
    .tab-content {
        border-radius: 5px;
    }
    
    #user-status-bar {
        flex-direction: column;
        gap: 10px;
        align-items: stretch;
    }
    
    #auth-buttons {
        justify-content: center;
    }
    
    .vip-pricing {
        flex-direction: column;
        align-items: center;
    }
    
    .price-card {
        width: 100%;
    }
}