/* 全局样式和现代化主题 */

:root {
    /* 主色调 - 梦幻紫蓝渐变 */
    --primary-color: #8ab4f8;
    --primary-hover: #667eea;
    --primary-light: #e0e7ff;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* 统一梦幻背景 */
    --dreamy-bg: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --dreamy-bg-light: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);

    /* 微信配色（保持兼容） */
    --wechat-green: #8ab4f8;
    --wechat-green-hover: #667eea;
    --wechat-bg: #f8f9fa;
    --wechat-white: #FFFFFF;
    --wechat-border: #e5e7eb;
    --wechat-text-primary: #1f2937;
    --wechat-text-secondary: #6b7280;
    --wechat-user-bubble: #667eea;
    --wechat-ai-bubble: #FFFFFF;

    /* 语义化颜色 */
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --success-color: #10b981;
    --info-color: #3b82f6;

    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    color: var(--wechat-text-primary);
    background: var(--wechat-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--wechat-white);
    color: var(--wechat-text-primary);
    border: 1px solid var(--wechat-border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
    background: #f9fafb;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-danger:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-block {
    width: 100%;
    display: block;
}

/* 输入框样式 */
.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--wechat-text-primary);
    font-weight: 500;
    font-size: 14px;
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--wechat-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--wechat-white);
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.input-group input:hover:not(:focus),
.input-group select:hover:not(:focus),
.input-group textarea:hover:not(:focus) {
    border-color: #d1d5db;
}

.input-group textarea {
    resize: vertical;
    min-height: 100px;
    line-height: 1.6;
}

/* 卡片样式 */
.card {
    background: var(--wechat-white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-md);
    margin-bottom: 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--wechat-border);
    color: var(--wechat-text-primary);
}

/* 表格样式 */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--wechat-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table th,
.table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--wechat-border);
}

.table th {
    background: linear-gradient(to bottom, #f9fafb, #f3f4f6);
    font-weight: 600;
    color: var(--wechat-text-primary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody tr {
    transition: all 0.2s ease;
}

.table tbody tr:hover {
    background: #f9fafb;
    transform: scale(1.01);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* 标签样式 */
.badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all 0.2s ease;
}

.badge:hover {
    transform: scale(1.05);
}

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

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

.badge-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
    border: 1px solid #fcd34d;
}

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

.badge-secondary {
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    color: #374151;
    border: 1px solid #d1d5db;
}

/* 提示消息 */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease;
    border-left: 4px solid;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert::before {
    content: '';
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.alert-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
    border-left-color: var(--success-color);
}

.alert-success::before {
    content: '✓';
    background: var(--success-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

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

.alert-error::before {
    content: '✕';
    background: var(--error-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

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

.alert-warning::before {
    content: '⚠';
    background: var(--warning-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

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

.alert-info::before {
    content: 'ℹ';
    background: var(--info-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid rgba(16, 185, 129, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

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

/* 脉冲动画 */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* 淡入动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 滑入动画 */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 工具类 */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--wechat-text-secondary); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--error-color); }
.text-warning { color: var(--warning-color); }

.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.ml-10 { margin-left: 10px; }
.mr-10 { margin-right: 10px; }

.p-10 { padding: 10px; }
.p-20 { padding: 20px; }

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.flex-column { display: flex; flex-direction: column; }

.hidden { display: none; }

/* 响应式 */
@media (max-width: 768px) {
    body {
        font-size: 13px;
    }

    .card {
        padding: 15px;
    }

    .table th,
    .table td {
        padding: 8px;
        font-size: 12px;
    }
}

/* 减少动画偏好支持 - 可访问性 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}