/* DocSlim License System - 全局样式 */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
}

.container {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 90%;
    padding: 40px;
    margin: 20px;
}

h1 {
    color: #667eea;
    font-size: 28px;
    margin-bottom: 10px;
    text-align: center;
}

.subtitle {
    color: #666;
    font-size: 16px;
    text-align: center;
    margin-bottom: 30px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    color: #555;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 14px;
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s ease;
}

input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* 按钮样式 */
.btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.btn:active {
    transform: translateY(0);
}

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

.btn-secondary {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #f8f9ff;
}

/* 特性列表 */
.features {
    background: #f8f9ff;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
}

.features p {
    padding: 8px 0;
    color: #555;
    font-size: 14px;
}

.features p:before {
    content: "✓ ";
    color: #667eea;
    font-weight: bold;
    margin-right: 8px;
}

/* 价格标签 */
.price {
    font-size: 36px;
    color: #667eea;
    font-weight: bold;
    text-align: center;
    margin: 20px 0;
}

.price span {
    font-size: 16px;
    color: #888;
}

/* 二维码容器 */
.qr-container {
    text-align: center;
    margin: 30px 0;
}

.qr-code {
    max-width: 320px;
    width: 100%;
    height: auto;
    margin: 20px auto;
    border: 3px solid #e0e0e0;
    border-radius: 12px;
    padding: 10px;
    background: white;
    display: block;
}

/* 状态标签 */
.status {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.status-pending {
    background: #fff3e0;
    color: #f57c00;
}

.status-paid {
    background: #e3f2fd;
    color: #1976d2;
}

.status-completed {
    background: #e8f5e9;
    color: #388e3c;
}

.status-cancelled {
    background: #ffebee;
    color: #d32f2f;
}

/* 提示框 */
.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-info {
    background: #e3f2fd;
    color: #1976d2;
    border-left: 4px solid #1976d2;
}

.alert-success {
    background: #e8f5e9;
    color: #388e3c;
    border-left: 4px solid #388e3c;
}

.alert-error {
    background: #ffebee;
    color: #d32f2f;
    border-left: 4px solid #d32f2f;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* 页脚 */
.footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
    color: #888;
    font-size: 13px;
}

.footer p {
    margin: 5px 0;
}

/* 管理后台表格 */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

thead {
    background: #f8f9ff;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
    font-size: 14px;
}

th {
    font-weight: 600;
    color: #667eea;
}

tr:hover {
    background: #f8f9ff;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 30px 20px;
    }

    h1 {
        font-size: 24px;
    }

    .price {
        font-size: 28px;
    }

    .qr-code {
        max-width: 260px;
    }

    table {
        font-size: 12px;
    }

    th, td {
        padding: 8px;
    }
}