/* 旅图小程序 - 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #4CAF50;
    --primary-dark: #388E3C;
    --primary-light: #C8E6C9;
    --accent: #FF9800;
    --danger: #F44336;
    --warning: #FFC107;
    --info: #2196F3;
    --bg: #F5F5F5;
    --card: #FFFFFF;
    --text: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --border: #E0E0E0;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-sm: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    max-width: 414px;
    margin: 0 auto;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* 顶部导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 414px;
    background: var(--card);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow);
    z-index: 1000;
    height: 56px;
}

.navbar-title {
    font-size: 18px;
    font-weight: 600;
    flex: 1;
    text-align: center;
}

.navbar-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
}

.navbar-btn:hover {
    background: var(--bg);
}

/* 页面内容区 */
.page-content {
    padding-top: 56px;
    padding-bottom: 80px;
    min-height: 100vh;
}

/* 底部导航栏 */
.tabbar {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 414px;
    background: var(--card);
    display: flex;
    justify-content: space-around;
    padding: 8px 0;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.1);
    z-index: 1000;
}

.tabbar-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4px;
    cursor: pointer;
    text-decoration: none;
    color: var(--text-light);
    font-size: 12px;
    transition: color 0.2s;
}

.tabbar-item.active {
    color: var(--primary);
}

.tabbar-icon {
    font-size: 24px;
    margin-bottom: 2px;
}

/* 卡片样式 */
.card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 16px;
    margin: 12px;
    box-shadow: var(--shadow);
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

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

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

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

/* 地图容器 */
.map-container {
    position: relative;
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, #E8F5E9 0%, #C8E6C9 100%);
    border-radius: var(--radius);
    overflow: hidden;
    margin: 12px;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    position: relative;
}

/* POI标注 */
.poi-marker {
    position: absolute;
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 50% 50% 50% 0;
    transform: rotate(-45deg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: transform 0.2s;
}

.poi-marker:hover {
    transform: rotate(-45deg) scale(1.2);
}

.poi-marker::after {
    content: attr(data-label);
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    font-size: 12px;
    white-space: nowrap;
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
}

/* 热力图模拟 */
.heatmap-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.3;
    pointer-events: none;
}

.heatmap-point {
    position: absolute;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.5); opacity: 0.3; }
}

/* 列表项 */
.list-item {
    display: flex;
    align-items: center;
    padding: 12px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.2s;
}

.list-item:hover {
    background: var(--bg);
}

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

.list-item-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-right: 12px;
    flex-shrink: 0;
}

.list-item-content {
    flex: 1;
}

.list-item-title {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 4px;
}

.list-item-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 标签 */
.tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    margin: 4px;
    background: var(--primary-light);
    color: var(--primary-dark);
}

.tag-warning {
    background: #FFF3E0;
    color: #E65100;
}

.tag-danger {
    background: #FFEBEE;
    color: #C62828;
}

/* 进度条 */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    transition: width 0.3s;
}

/* 表单 */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 16px;
    transition: border-color 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
}

/* 弹窗 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--card);
    border-radius: var(--radius);
    padding: 24px;
    max-width: 360px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
}

/* 网格布局 */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
}

/* flex布局 */
.flex {
    display: flex;
}

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

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 文字颜色 */
.text-primary { color: var(--primary); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-secondary { color: var(--text-secondary); }
.text-light { color: var(--text-light); }

/* 背景颜色 */
.bg-primary { background: var(--primary); }
.bg-danger { background: var(--danger); }
.bg-warning { background: var(--warning); }

/* 间距 */
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.p-12 { padding: 12px; }
.p-16 { padding: 16px; }

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

.fade-in {
    animation: fadeIn 0.3s ease;
}

/* 隐藏滚动条 */
.no-scrollbar::-webkit-scrollbar {
    display: none;
}

.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* 响应式 */
@media (max-width: 414px) {
    body {
        max-width: 100%;
    }
    
    .navbar, .tabbar {
        max-width: 100%;
    }
}