/* ============================================
   智行导航 - 全局样式
   灵动简约风格，深浅色模式，响应式布局
   ============================================ */

/* === CSS变量定义 === */
:root {
    /* 主色调 - 浅蓝系 */
    --primary-color: #3B82F6;
    --primary-light: #60A5FA;
    --primary-dark: #2563EB;
    --primary-bg: #EFF6FF;
    
    /* 背景色 */
    --bg-primary: #F8FAFC;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F1F5F9;
    --bg-glass: rgba(255, 255, 255, 0.85);
    
    /* 文字色 */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-tertiary: #94A3B8;
    --text-inverse: #FFFFFF;
    
    /* 边框与分割线 */
    --border-color: #E2E8F0;
    --border-light: #F1F5F9;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    
    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* 过渡动画 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* 字体 */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 15px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    
    /* 动态视口高度（兼容新旧浏览器） */
    --vh: 1vh;
    --app-height: 100vh;
    --app-height-dyn: calc(var(--vh, 1vh) * 100);
    
    /* 安全区域内边距 */
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
    
    /* 移动端导航高度 */
    --mobile-header-h: 56px;
    --mobile-tabbar-h: 60px;
}

/* 深色模式 */
[data-theme="dark"] {
    --primary-color: #60A5FA;
    --primary-light: #93C5FD;
    --primary-dark: #3B82F6;
    --primary-bg: rgba(59, 130, 246, 0.15);
    
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    --bg-glass: rgba(30, 41, 59, 0.85);
    
    --text-primary: #F1F5F9;
    --text-secondary: #CBD5E1;
    --text-tertiary: #64748B;
    --text-inverse: #0F172A;
    
    --border-color: #334155;
    --border-light: #1E293B;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

/* === 基础重置 === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
    overflow: hidden;
    overscroll-behavior: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
    outline: none;
}

input {
    font-family: inherit;
    outline: none;
    border: none;
    background: none;
    color: inherit;
}

/* === 顶部导航栏 === */
.nav-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition-normal);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    padding: 0 var(--spacing-lg);
    gap: var(--spacing-lg);
}

.nav-left, .nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.nav-center {
    flex: 1;
    max-width: 600px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
}

.site-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.menu-btn, .icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    position: relative;
}

.menu-btn:hover, .icon-btn:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    transform: scale(1.05);
}

.icon-btn:active {
    transform: scale(0.95);
}

/* 搜索框 */
.search-box {
    position: relative;
    display: flex;
    align-items: center;
    height: 44px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 0 var(--spacing-md);
    transition: all var(--transition-normal);
}

.search-box:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.search-icon {
    color: var(--text-tertiary);
    flex-shrink: 0;
    margin-right: var(--spacing-sm);
}

.search-input {
    flex: 1;
    height: 100%;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.search-input::placeholder {
    color: var(--text-tertiary);
}

/* 搜索联想下拉 */
.search-suggestions, .input-suggestions {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    max-height: 320px;
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: 1000;
}

.search-suggestions.show, .input-suggestions.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.suggestion-item {
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    border-bottom: 1px solid var(--border-light);
    transition: background var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

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

.suggestion-item .sug-icon {
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.suggestion-item .sug-content {
    flex: 1;
    min-width: 0;
}

.suggestion-item .sug-name {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.suggestion-item .sug-addr {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

/* 公告栏 */
.notice-bar {
    background: var(--primary-bg);
    padding: var(--spacing-xs) var(--spacing-lg);
    text-align: center;
    border-top: 1px solid var(--border-light);
    animation: slideDown var(--transition-normal);
}

.notice-bar.notice-warning {
    background: #FEF3C7;
    border-top-color: #F59E0B;
}

.notice-bar.notice-warning .notice-text {
    color: #92400E;
    font-weight: 500;
}

.notice-text {
    font-size: var(--font-size-xs);
    color: var(--primary-dark);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === 主内容区 === */
.main-content {
    width: 100%;
    height: calc(100vh - 60px);
    margin-top: 60px;
    display: flex;
    position: relative;
}

/* 路线面板 */
.route-panel {
    width: 380px;
    height: 100%;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    z-index: 10;
    transition: transform var(--transition-slow);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.panel-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.panel-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

.panel-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* 路线输入区 */
.route-inputs {
    padding: var(--spacing-lg);
    position: relative;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: 0 var(--spacing-md);
    transition: all var(--transition-fast);
}

.input-group:focus-within {
    background: var(--bg-secondary);
    box-shadow: 0 0 0 2px var(--primary-color);
}

.start-group {
    margin-bottom: 0;
}

.end-group {
    margin-top: 0;
}

.input-icon {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-right: var(--spacing-sm);
}

.start-icon {
    background: #22C55E;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}

.end-icon {
    background: #EF4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.route-input {
    flex: 1;
    height: 48px;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.route-input::placeholder {
    color: var(--text-tertiary);
}

.quick-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.quick-btn:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.quick-btn:active {
    transform: scale(0.9);
}

/* 交换按钮 */
.swap-btn {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    z-index: 2;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.swap-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translate(-50%, -50%) rotate(180deg);
}

.swap-btn:active {
    transform: translate(-50%, -50%) rotate(180deg) scale(0.9);
}

/* 出行方式切换 */
.mode-tabs {
    display: flex;
    padding: 0 var(--spacing-lg) var(--spacing-md);
    gap: var(--spacing-xs);
}

.mode-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    font-size: var(--font-size-xs);
}

.mode-tab:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
}

.mode-tab.active {
    background: var(--primary-bg);
    color: var(--primary-color);
    font-weight: 500;
}

.mode-tab svg {
    transition: transform var(--transition-fast);
}

.mode-tab:hover svg {
    transform: translateY(-2px);
}

/* 搜索按钮 */
.search-route-btn {
    margin: 0 var(--spacing-lg) var(--spacing-md);
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.search-route-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

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

/* 快捷标签 */
.quick-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    padding: 0 var(--spacing-lg) var(--spacing-md);
}

.quick-tag {
    padding: 6px 12px;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-tag:hover {
    background: var(--primary-bg);
    color: var(--primary-color);
    transform: translateY(-1px);
}

/* 路线结果 */
.route-result {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    animation: fadeInUp var(--transition-normal);
}

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

.route-summary {
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.summary-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.summary-value {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-color);
}

.summary-label {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.summary-divider {
    width: 1px;
    height: 32px;
    background: var(--border-color);
}

.route-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.action-btn {
    flex: 1;
    height: 40px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    transition: all var(--transition-fast);
}

.action-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
    transform: translateY(-1px);
}

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

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

/* 开始导航按钮 */
.action-btn.nav-start-btn {
    background: #22C55E;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.action-btn.nav-start-btn:hover {
    background: #16A34A;
}

.action-btn.nav-start-btn.navigating {
    background: #EF4444;
}

.action-btn.nav-start-btn.navigating:hover {
    background: #DC2626;
}

/* 全屏实时导航面板 */
.nav-fullscreen {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 500;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.nav-fs-top {
    pointer-events: auto;
    margin: calc(var(--safe-top, 0px) + 12px) 12px 0;
    background: var(--bg-glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 16px;
    border: 1px solid var(--border-light);
    display: flex;
    align-items: flex-start;
    gap: 14px;
    animation: navSlideDown 0.3s ease;
}

@keyframes navSlideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.nav-fs-maneuver {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-fs-instruction {
    flex: 1;
    min-width: 0;
}

.nav-fs-remaining {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

.nav-fs-step {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.nav-fs-progress-bar {
    pointer-events: none;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: rgba(0, 0, 0, 0.1);
    z-index: 501;
}

.nav-fs-progress {
    height: 100%;
    background: var(--primary-color);
    border-radius: 0 2px 2px 0;
    transition: width 0.5s ease;
}

.nav-fs-bottom {
    pointer-events: auto;
    margin: 0 12px calc(var(--safe-bottom, 0px) + 12px);
    background: var(--bg-glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    animation: navSlideUp 0.3s ease;
}

@keyframes navSlideUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.nav-fs-info {
    display: flex;
    gap: 20px;
    flex: 1;
}

.nav-fs-info-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-fs-info-label {
    font-size: 11px;
    color: var(--text-tertiary);
}

.nav-fs-info-value {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-fs-controls {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.nav-fs-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    height: 40px;
    min-width: 40px;
    padding: 0 12px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 13px;
    transition: all var(--transition-fast);
    pointer-events: auto;
    cursor: pointer;
    border: none;
}

.nav-fs-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.nav-fs-btn.voice-btn.muted {
    color: var(--text-tertiary);
    opacity: 0.5;
}

.nav-fs-btn.exit-btn {
    background: #EF4444;
    color: white;
}

.nav-fs-btn.exit-btn:hover {
    background: #DC2626;
}

/* 旧导航浮层面板（保留兼容） */
.nav-panel {
    position: absolute;
    top: calc(var(--safe-top, 0px) + 12px);
    left: 12px;
    right: 12px;
    z-index: 150;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 12px 16px;
    border: 1px solid var(--border-light);
}

.nav-panel-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-panel-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.nav-remaining {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-progress-bar {
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
}

.nav-progress {
    height: 100%;
    background: var(--primary-color);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-stop-btn {
    white-space: nowrap;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    background: #EF4444;
    color: white;
    font-size: 13px;
    font-weight: 500;
    transition: background var(--transition-fast);
}

.nav-stop-btn:hover {
    background: #DC2626;
}

/* 定位状态提示 */
.location-status {
    position: absolute;
    top: calc(var(--safe-top, 0px) + 12px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 120;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    white-space: nowrap;
    user-select: none;
}

.loc-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.loc-dot.loc-gps {
    background: #22C55E;
    box-shadow: 0 0 6px #22C55E;
    animation: pulse-gps 2s ease-in-out infinite;
}

.loc-dot.loc-ip {
    background: #F59E0B;
    box-shadow: 0 0 6px #F59E0B;
}

@keyframes pulse-gps {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.2); }
}

/* 路线步骤 */
.route-steps {
    border-top: 1px solid var(--border-light);
    padding-top: var(--spacing-md);
}

.steps-title {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.steps-list {
    max-height: 300px;
    overflow-y: auto;
}

.step-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-light);
    position: relative;
}

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

.step-index {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-bg);
    color: var(--primary-color);
    border-radius: 50%;
    font-size: var(--font-size-xs);
    font-weight: 500;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
    min-width: 0;
}

.step-desc {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    line-height: 1.5;
}

.step-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-top: 4px;
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

/* 加载状态 */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    gap: var(--spacing-md);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-text {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

/* === 地图容器 === */
.map-container {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.map {
    width: 100%;
    height: 100%;
}

/* 地图自定义控件 */
.map-controls {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: 2px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 4px;
    z-index: 5;
}

.map-control-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.map-control-btn:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    transform: scale(1.05);
}

.map-control-btn:active {
    transform: scale(0.95);
}

.control-divider {
    height: 1px;
    background: var(--border-color);
    margin: 2px 4px;
}

/* === 侧边悬浮栏 (PC端) === */
.floating-sidebar {
    position: fixed;
    right: var(--spacing-lg);
    bottom: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 50;
}

.float-btn {
    position: relative;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.float-btn:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.float-btn:hover .float-label {
    opacity: 1;
    transform: translateX(0);
    visibility: visible;
}

.float-label {
    position: absolute;
    right: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%) translateX(4px);
    padding: 6px 12px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
    pointer-events: none;
}

.float-label::after {
    content: '';
    position: absolute;
    right: -4px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 8px;
    height: 8px;
    background: var(--bg-secondary);
}

/* === 移动端底部导航栏 === */
.mobile-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-light);
    z-index: 100;
    padding-bottom: env(safe-area-inset-bottom);
}

.mobile-bar-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--text-tertiary);
    font-size: 10px;
    transition: color var(--transition-fast);
}

.mobile-bar-btn.active,
.mobile-bar-btn:active {
    color: var(--primary-color);
}

/* === 弹窗 === */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    animation: fadeIn var(--transition-fast);
    padding: var(--spacing-md);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    width: 100%;
    max-width: 420px;
    max-height: 80vh;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalIn var(--transition-normal);
}

.modal-content.small {
    max-width: 360px;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.modal-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.modal-header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.clear-history-btn {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.clear-history-btn:hover {
    color: #EF4444;
    background: rgba(239, 68, 68, 0.1);
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

/* 收藏标签切换 */
.favorite-tags {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.fav-tag-btn {
    padding: 6px 14px;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

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

.fav-tag-btn:hover:not(.active) {
    background: var(--border-color);
}

/* 收藏列表 */
.favorite-list, .history-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.favorite-item, .history-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.favorite-item:hover, .history-item:hover {
    background: var(--bg-glass);
    transform: translateX(4px);
}

.fav-item-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-bg);
    color: var(--primary-color);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.fav-item-icon.home { background: #FEF3C7; color: #F59E0B; }
.fav-item-icon.company { background: #DBEAFE; color: #3B82F6; }
.fav-item-icon.custom { background: #FCE7F3; color: #EC4899; }

.fav-item-content {
    flex: 1;
    min-width: 0;
}

.fav-item-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fav-item-addr {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

.fav-item-delete {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.fav-item-delete:hover {
    color: #EF4444;
    background: rgba(239, 68, 68, 0.1);
}

/* 历史记录项 */
.history-item {
    position: relative;
}

.history-route {
    flex: 1;
    min-width: 0;
}

.history-start, .history-end {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
}

.history-start {
    color: #22C55E;
    margin-bottom: 4px;
}

.history-end {
    color: #EF4444;
}

.history-addr {
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.history-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    flex-shrink: 0;
}

.history-mode {
    font-size: 11px;
    padding: 2px 6px;
    background: var(--primary-bg);
    color: var(--primary-color);
    border-radius: 4px;
}

.history-time {
    font-size: 11px;
    color: var(--text-tertiary);
}

/* 空状态 */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    color: var(--text-tertiary);
}

.empty-state p {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* 表单 */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.form-input {
    width: 100%;
    height: 44px;
    padding: 0 var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-input:focus {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.tag-options {
    display: flex;
    gap: var(--spacing-sm);
}

.tag-option {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.tag-option input {
    display: none;
}

.tag-option:has(input:checked) {
    background: var(--primary-bg);
    color: var(--primary-color);
    font-weight: 500;
}

.tag-option:hover {
    background: var(--border-color);
}

.submit-btn {
    width: 100%;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    transition: all var(--transition-normal);
    margin-top: var(--spacing-md);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

/* POI详情 */
.poi-detail {
    margin-bottom: var(--spacing-md);
}

.poi-info-row {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.poi-info-row svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--primary-color);
}

.poi-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.poi-action-btn {
    flex: 1;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    transition: all var(--transition-fast);
}

.poi-action-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
    transform: translateY(-1px);
}

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

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

/* === Toast提示 === */
.toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    padding: 12px 24px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: var(--font-size-sm);
    z-index: 300;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.toast.success { border-top: 3px solid #22C55E; }
.toast.error { border-top: 3px solid #EF4444; }
.toast.info { border-top: 3px solid var(--primary-color); }

/* === 滚动条样式 === */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* === 响应式适配 === */
.desktop-only {
    display: flex;
}

.mobile-only {
    display: none;
}

/* 平板 */
@media (max-width: 1024px) {
    .route-panel {
        width: 340px;
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
}

/* 手机端 */
@media (max-width: 768px) {
    .desktop-only {
        display: none;
    }
    
    .mobile-only {
        display: flex;
    }
    
    /* 顶部导航安全区适配 */
    .nav-header {
        padding-top: var(--safe-top);
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: var(--bg-primary);
    }
    
    .nav-container {
        height: calc(var(--mobile-header-h) + var(--safe-top));
        padding: 0 var(--spacing-sm);
        padding-top: var(--safe-top);
        gap: var(--spacing-xs);
    }
    
    /* 搜索框适配 */
    .search-box {
        flex: 1;
        height: 36px;
        padding: 0 var(--spacing-sm);
        font-size: 13px;
    }
    
    /* 主内容区使用动态视口高度 */
    .main-content {
        height: calc(100vh - var(--mobile-header-h) - var(--mobile-tabbar-h) - var(--safe-top));
        height: calc(var(--vh, 1vh) * 100 - var(--mobile-header-h) - var(--mobile-tabbar-h) - var(--safe-top));
        margin-top: calc(var(--mobile-header-h) + var(--safe-top));
        padding-top: 0;
        position: relative;
    }
    
    .site-name {
        font-size: var(--font-size-sm);
    }
    
    .nav-right .icon-btn {
        width: 32px;
        height: 32px;
    }
    
    /* 路线面板移动端底部抽屉 */
    .route-panel {
        position: fixed;
        bottom: var(--mobile-tabbar-h);
        bottom: calc(var(--mobile-tabbar-h) + var(--safe-bottom));
        left: 0;
        right: 0;
        width: 100%;
        height: auto;
        max-height: 72vh;
        max-height: calc(var(--vh, 1vh) * 72);
        border-right: none;
        border-top: 1px solid var(--border-light);
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        transform: translateY(100%);
        z-index: 90;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
        overflow: hidden;
        display: flex;
        flex-direction: column;
        touch-action: pan-y;
    }
    
    .route-panel.open {
        transform: translateY(0);
    }
    
    /* 抽屉顶部拖拽条 */
    .route-panel::before {
        content: '';
        position: absolute;
        top: 8px;
        left: 50%;
        transform: translateX(-50%);
        width: 36px;
        height: 4px;
        background: var(--border-color);
        border-radius: 2px;
        z-index: 10;
    }
    
    .route-inputs {
        padding: var(--spacing-md);
        padding-top: calc(var(--spacing-md) + 16px);
        flex-shrink: 0;
    }
    
    .mode-tabs {
        padding: 0 var(--spacing-md) var(--spacing-sm);
        flex-shrink: 0;
    }
    
    .search-route-btn {
        margin: 0 var(--spacing-md) var(--spacing-md);
        flex-shrink: 0;
    }
    
    .quick-tags {
        padding: 0 var(--spacing-md) var(--spacing-md);
        flex-shrink: 0;
    }
    
    .route-result {
        padding: 0 var(--spacing-md) var(--spacing-md);
        flex: 1;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .panel-header {
        display: none;
    }
    
    .map-controls {
        top: calc(var(--spacing-md) + var(--safe-top));
        right: var(--spacing-md);
    }
    
    .map-control-btn {
        width: 40px;
        height: 40px;
    }
    
    /* 弹窗移动端底部抽屉 */
    .modal-overlay {
        padding: 0;
        align-items: flex-end;
    }
    
    .modal-content {
        max-width: 100%;
        max-height: 80vh;
        max-height: calc(var(--vh, 1vh) * 80);
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        animation: slideUp var(--transition-normal);
        margin: 0;
        padding-bottom: var(--safe-bottom);
    }
    
    @keyframes slideUp {
        from {
            transform: translateY(100%);
        }
        to {
            transform: translateY(0);
        }
    }
    
    .notice-bar {
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    /* 移动端底部TabBar安全区 */
    .mobile-bottom-bar {
        padding-bottom: calc(var(--safe-bottom) + 4px);
        height: auto;
        min-height: var(--mobile-tabbar-h);
    }
    
    .mobile-bar-btn {
        padding-bottom: var(--safe-bottom);
    }
    
    /* 输入框联想下拉调整 */
    .input-suggestions {
        max-height: 240px;
        -webkit-overflow-scrolling: touch;
    }
    
    /* 搜索联想适配 */
    .search-suggestions {
        max-height: 50vh;
        max-height: calc(var(--vh, 1vh) * 50);
        -webkit-overflow-scrolling: touch;
    }

    /* 移动端导航面板 */
    .nav-panel {
        top: calc(var(--mobile-header-h) + var(--safe-top) + 12px);
        left: 8px;
        right: 8px;
        padding: 10px 12px;
    }

    .nav-remaining {
        font-size: 13px;
    }

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

    /* 移动端路线按钮区域 */
    .route-actions {
        flex-wrap: wrap;
    }

    .route-actions .action-btn {
        font-size: 12px;
        height: 36px;
    }

    .action-btn.nav-start-btn {
        flex: 1;
    }

    /* 移动端地图控件位置调整 */
    .map-controls {
        bottom: calc(var(--mobile-tabbar-h) + var(--safe-bottom) + 80px);
    }

    /* 移动端定位状态条 */
    .location-status {
        top: calc(var(--mobile-header-h) + var(--safe-top) + 12px);
        font-size: 11px;
        padding: 5px 12px;
    }

    /* 方向权限提示 */
    .direction-permission {
        position: absolute;
        bottom: calc(var(--mobile-tabbar-h) + var(--safe-bottom) + 120px);
        left: 50%;
        transform: translateX(-50%);
        z-index: 120;
    }

    .direction-permission-btn {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 10px 20px;
        background: var(--bg-glass);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-radius: var(--radius-full);
        font-size: 13px;
        color: var(--primary-color);
        border: 1px solid var(--primary-color);
        transition: all var(--transition-fast);
        box-shadow: var(--shadow-md);
    }

    .direction-permission-btn:hover {
        background: var(--primary-color);
        color: white;
        transform: translateX(-50%) scale(1.05);
    }

    .direction-permission-btn:active {
        transform: translateX(-50%) scale(0.95);
    }

    /* 移动端全屏导航适配 */
    .nav-fs-top {
        margin: calc(var(--safe-top, 0px) + 8px) 8px 0;
        padding: 12px;
        gap: 10px;
    }

    .nav-fs-maneuver {
        width: 40px;
        height: 40px;
    }

    .nav-fs-remaining {
        font-size: 18px;
    }

    .nav-fs-step {
        font-size: 13px;
    }

    .nav-fs-bottom {
        margin: 0 8px calc(var(--safe-bottom, 0px) + 8px);
        padding: 10px 12px;
        flex-wrap: wrap;
        gap: 8px;
    }

    .nav-fs-info {
        gap: 14px;
        width: 100%;
    }

    .nav-fs-info-value {
        font-size: 14px;
    }

    .nav-fs-controls {
        width: 100%;
        justify-content: flex-end;
    }

    .nav-fs-btn {
        height: 36px;
        padding: 0 14px;
        font-size: 12px;
    }
}

/* 小屏手机 */
@media (max-width: 480px) {
    .nav-center {
        flex: 1;
    }
    
    .search-box {
        height: 40px;
    }
    
    .summary-value {
        font-size: var(--font-size-lg);
    }
}

/* === 工具类 === */
.hidden {
    display: none !important;
}

.truncate {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 高德地图自定义信息窗样式修正 */
.amap-info-content {
    padding: 0 !important;
    border-radius: var(--radius-md) !important;
}

.amap-info-sharp {
    display: none !important;
}

.amap-info-close {
    top: 10px !important;
    right: 10px !important;
}