/*
 * LOCKDATAV 轨迹拾取工具 v3.0
 * P2功能：轨迹回放、文件导入、分享链接、iframe嵌入、热力图、全屏、轨迹显隐、拖拽导入
 * 纯原生 CSS，无框架依赖
 */

:root {
    --bg-dark: #0f172a;
    --bg-panel: rgba(15, 23, 42, 0.92);
    --bg-panel-solid: #1e293b;
    --bg-hover: rgba(255, 255, 255, 0.08);
    --border: rgba(255, 255, 255, 0.1);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #14b8a6;
    --accent-glow: rgba(20, 184, 166, 0.3);
    --danger: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.3);
    --radius: 10px;
    --radius-sm: 6px;
    --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

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

html, body {
    width: 100%; height: 100%; overflow: hidden;
    font-family: var(--font);
    background: var(--bg-dark);
}

#allmap { width: 100%; height: 100%; }

/* ========== 顶部栏 ========== */
.topbar {
    position: fixed; top: 0; left: 0; right: 0; height: 44px;
    background: var(--bg-panel);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 16px; z-index: 1000;
}
.topbar-brand { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.brand-icon { color: var(--accent); font-size: 14px; }
.brand-name { font-weight: 700; color: var(--text-primary); letter-spacing: 2px; }
.brand-sep { color: var(--text-muted); }
.brand-tool { color: var(--text-secondary); font-size: 12px; }
.topbar-status { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-secondary); }
.status-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--text-muted); transition: all 0.3s;
}
.status-dot.active { background: var(--accent); box-shadow: 0 0 8px var(--accent-glow); animation: pulse 1.5s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }

/* ========== 嵌入模式 ========== */
body.embed-mode .topbar { display: none; }
body.embed-mode [data-embed-hide] { display: none !important; }
body.embed-mode .panel { top: 12px; }
body.embed-mode .toolbar { top: 12px; transform: none; }
body.embed-mode .playback-bar { bottom: 12px; }

/* ========== 全屏模式 ========== */
body.fullscreen-mode .topbar { display: none; }
body.fullscreen-mode .panel { display: none; }
body.fullscreen-mode .toolbar { top: 12px; transform: none; }
body.fullscreen-mode .playback-bar { bottom: 12px; }

/* ========== 左侧面板 ========== */
.panel {
    position: fixed; top: 56px; left: 12px; width: 320px;
    max-height: calc(100vh - 80px);
    background: var(--bg-panel);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border); border-radius: var(--radius);
    z-index: 999; display: flex; flex-direction: column; overflow: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.panel.collapsed .panel-body,
.panel.collapsed #btnNewTrail { display: none; }
.panel.collapsed { width: 44px; }
.panel.collapsed .panel-header { justify-content: center; padding: 10px; }
.panel.collapsed #btnToggle svg { transform: rotate(180deg); }

.panel-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 12px; border-bottom: 1px solid var(--border);
    cursor: grab; user-select: none;
}
.panel-header:active { cursor: grabbing; }
.panel-title { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.panel-actions { display: flex; gap: 4px; }
.panel-btn {
    background: none; border: none; color: var(--text-secondary); cursor: pointer;
    padding: 4px; border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s, color 0.2s;
}
.panel-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

.panel-body { display: flex; flex-direction: column; overflow: hidden; flex: 1; }

/* ========== 轨迹标签页 ========== */
.trail-tabs {
    white-space: nowrap; padding: 8px; overflow-x: auto; overflow-y: hidden;
    border-bottom: 1px solid var(--border);
    scrollbar-width: thin; flex-shrink: 0;
}
.trail-tab {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 10px; border-radius: 20px;
    background: var(--bg-hover); border: 1px solid transparent;
    color: var(--text-secondary); font-size: 11px; white-space: nowrap;
    cursor: pointer; transition: all 0.2s;
    margin-right: 4px; vertical-align: middle;
}
.trail-tab:hover { background: rgba(255,255,255,0.12); color: var(--text-primary); }
.trail-tab.active { background: rgba(20,184,166,0.15); border-color: var(--accent); color: var(--accent); }
.trail-tab .tab-dot {
    width: 10px; height: 10px; border-radius: 50%;
    cursor: pointer; transition: all 0.2s;
    border: 2px solid transparent;
}
.trail-tab .tab-dot:hover { transform: scale(1.2); }
.trail-tab .tab-dot.hidden {
    background: transparent !important;
    border-color: var(--text-muted);
}
.trail-tab .tab-name { display: inline-block; max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.trail-tab .tab-close {
    width: 14px; height: 14px; display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50%; opacity: 0.6; transition: opacity 0.2s; font-size: 12px;
}
.trail-tab:hover .tab-close { opacity: 0.9; }
.trail-tab .tab-close:hover { opacity: 1; background: rgba(239,68,68,0.3); color: var(--danger); }

/* ========== 统计区 ========== */
.coord-stats {
    display: flex; align-items: center; padding: 12px 8px;
    border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.stat {
    flex: 1; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 2px;
}
.stat-num { font-size: 20px; font-weight: 700; color: var(--text-primary); font-family: var(--mono); }
.stat-label { font-size: 10px; color: var(--text-muted); }
.stat-divider { width: 1px; height: 28px; background: var(--border); }
.stat-btn {
    background: rgba(20,184,166,0.12); border: 1px solid rgba(20,184,166,0.3);
    color: var(--accent); font-size: 10px; padding: 2px 8px; border-radius: 4px;
    cursor: pointer; transition: all 0.2s;
}
.stat-btn:hover { background: var(--accent); color: #fff; }
.stat-btn.active { background: var(--accent); color: #fff; box-shadow: 0 0 8px var(--accent-glow); }

/* ========== 操作按钮行 ========== */
.action-row {
    display: flex; gap: 6px; padding: 8px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.action-btn {
    flex: 1; display: flex; align-items: center; justify-content: center; gap: 4px;
    padding: 6px 4px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    background: var(--bg-hover); color: var(--text-secondary);
    font-size: 11px; cursor: pointer; transition: all 0.2s;
}
.action-btn:hover { background: rgba(255,255,255,0.12); color: var(--text-primary); }
.action-btn.action-danger:hover { background: rgba(239,68,68,0.15); border-color: var(--danger); color: var(--danger); }

/* ========== 坐标列表 ========== */
.coord-list {
    flex: 1; overflow-y: auto; padding: 4px 0;
    scrollbar-width: thin; scrollbar-color: var(--border) transparent;
}
.coord-list::-webkit-scrollbar { width: 4px; }
.coord-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.coord-item {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 12px; cursor: pointer; transition: background 0.15s;
}
.coord-item:hover { background: var(--bg-hover); }
.coord-item.selected { background: rgba(20,184,166,0.1); }
.coord-idx {
    width: 22px; height: 22px; border-radius: 50%;
    background: var(--bg-panel-solid); color: var(--text-muted);
    font-size: 10px; display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; font-family: var(--mono);
}
.coord-val {
    flex: 1; font-size: 11px; color: var(--text-secondary);
    font-family: var(--mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.coord-del {
    width: 20px; height: 20px; border: none; background: none;
    color: var(--text-muted); cursor: pointer; border-radius: 4px;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; opacity: 0; transition: all 0.2s;
}
.coord-item:hover .coord-del { opacity: 1; }
.coord-del:hover { background: rgba(239,68,68,0.15); color: var(--danger); }
.coord-empty {
    text-align: center; color: var(--text-muted); font-size: 12px; padding: 32px 16px;
}

/* ========== 右侧工具栏 ========== */
.toolbar {
    position: fixed; right: 12px; top: 50%; transform: translateY(-50%);
    display: flex; flex-direction: column; gap: 4px;
    background: var(--bg-panel);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border); border-radius: var(--radius);
    padding: 6px; z-index: 999;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    scrollbar-width: none;
}
.toolbar::-webkit-scrollbar { display: none; }
.tool-btn {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
    width: 52px; height: 52px; border: none; background: none;
    color: var(--text-secondary); cursor: pointer; border-radius: var(--radius-sm);
    transition: all 0.2s; flex-shrink: 0;
}
.tool-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.tool-btn.active { background: var(--accent); color: #fff; box-shadow: 0 0 12px var(--accent-glow); }
.tool-btn.tool-danger:hover { background: rgba(239,68,68,0.15); color: var(--danger); }
.tool-label { font-size: 10px; line-height: 1; }
.tool-divider { height: 1px; background: var(--border); margin: 4px 6px; flex-shrink: 0; }

/* ========== 弹出面板（样式/坐标转换/分享） ========== */
.style-panel {
    position: fixed; right: 76px; top: 50%; transform: translateY(-50%) translateX(8px);
    width: 220px; background: var(--bg-panel);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border); border-radius: var(--radius);
    padding: 14px; z-index: 998;
    opacity: 0; pointer-events: none; transition: opacity 0.2s, transform 0.2s;
}
.style-panel.show { opacity: 1; pointer-events: auto; transform: translateY(-50%) translateX(0); }
.style-section { margin-bottom: 14px; }
.style-section:last-child { margin-bottom: 0; }
.style-label {
    font-size: 11px; color: var(--text-secondary); margin-bottom: 8px;
    text-transform: uppercase; letter-spacing: 0.5px;
}
.style-row { display: flex; align-items: center; gap: 10px; }
.style-row input[type="range"] {
    flex: 1; -webkit-appearance: none; appearance: none;
    height: 4px; background: var(--bg-panel-solid); border-radius: 2px; outline: none;
}
.style-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 14px; height: 14px; border-radius: 50%;
    background: var(--accent); cursor: pointer; box-shadow: 0 0 6px var(--accent-glow);
}
.style-value { font-size: 12px; color: var(--text-primary); min-width: 38px; text-align: right; font-family: var(--mono); }

.color-swatches { display: flex; flex-wrap: wrap; gap: 6px; }
.swatch {
    width: 28px; height: 28px; border-radius: 50%; border: 2px solid transparent;
    cursor: pointer; padding: 0; transition: transform 0.15s, border-color 0.15s;
}
.swatch:hover { transform: scale(1.15); }
.swatch.active { border-color: var(--text-primary); box-shadow: 0 0 8px rgba(255,255,255,0.3); }
.color-input {
    width: 32px; height: 28px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    background: none; cursor: pointer; padding: 2px;
}
.color-input::-webkit-color-swatch-wrapper { padding: 0; }
.color-input::-webkit-color-swatch { border: none; border-radius: 3px; }

/* 坐标转换面板 */
.coord-targets { display: flex; flex-direction: column; gap: 6px; }
.coord-target {
    padding: 8px 10px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    background: var(--bg-hover); color: var(--text-secondary); font-size: 12px;
    cursor: pointer; text-align: left; transition: all 0.2s;
}
.coord-target:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }
.coord-target.active { background: rgba(20,184,166,0.12); border-color: var(--accent); color: var(--accent); }
.coord-preview {
    background: var(--bg-panel-solid); border-radius: var(--radius-sm);
    padding: 8px; font-family: var(--mono); font-size: 10px; color: var(--text-secondary);
    max-height: 100px; overflow-y: auto; line-height: 1.6;
    white-space: pre-wrap; word-break: break-all;
}

/* 分享面板 */
.share-row { display: flex; gap: 8px; align-items: center; }
.share-input {
    flex: 1; padding: 6px 10px; background: var(--bg-panel-solid);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    color: var(--text-primary); font-size: 11px; font-family: var(--mono);
    outline: none; min-width: 0;
}
.share-input:focus { border-color: var(--accent); }
.share-textarea {
    width: 100%; padding: 8px 10px; background: var(--bg-panel-solid);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    color: var(--text-secondary); font-size: 10px; font-family: var(--mono);
    outline: none; resize: none; line-height: 1.5;
}
.share-textarea:focus { border-color: var(--accent); color: var(--text-primary); }
.share-tip { font-size: 10px; color: var(--text-muted); line-height: 1.5; }

/* ========== 轨迹回放控制栏 ========== */
.playback-bar {
    position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
    display: flex; align-items: center; gap: 10px;
    background: var(--bg-panel);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border); border-radius: 40px;
    padding: 8px 16px; z-index: 999;
    opacity: 0; pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.playback-bar.show {
    opacity: 1; pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}
.pb-btn {
    width: 32px; height: 32px; border: none; background: none;
    color: var(--text-secondary); cursor: pointer; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s; flex-shrink: 0;
}
.pb-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.pb-btn.pb-close:hover { background: rgba(239,68,68,0.15); color: var(--danger); }
.pb-speed {
    background: var(--bg-panel-solid); border: 1px solid var(--border);
    color: var(--text-secondary); font-size: 11px; padding: 4px 8px;
    border-radius: var(--radius-sm); outline: none; cursor: pointer;
    font-family: var(--mono);
}
.pb-speed option { background: var(--bg-panel-solid); color: var(--text-primary); }
.pb-progress {
    width: 240px; height: 6px; background: var(--bg-panel-solid);
    border-radius: 3px; cursor: pointer; position: relative;
    margin: 0 4px;
}
.pb-progress-fill {
    position: absolute; left: 0; top: 0; height: 100%;
    background: var(--accent); border-radius: 3px;
    width: 0%; transition: width 0.05s linear;
}
.pb-progress-handle {
    position: absolute; top: 50%; width: 12px; height: 12px;
    background: #fff; border-radius: 50%;
    transform: translate(-50%, -50%); left: 0%;
    opacity: 0; transition: opacity 0.15s;
    box-shadow: 0 0 6px rgba(0,0,0,0.4);
}
.pb-progress:hover .pb-progress-handle { opacity: 1; }
.pb-time {
    font-size: 11px; color: var(--text-muted);
    font-family: var(--mono); min-width: 70px; text-align: right;
    white-space: nowrap;
}

/* ========== 拖拽导入遮罩 ========== */
.drop-overlay {
    position: fixed; inset: 0; z-index: 3000;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(4px);
    display: none; align-items: center; justify-content: center;
}
.drop-overlay.show { display: flex; }
.drop-overlay-content {
    display: flex; flex-direction: column; align-items: center; gap: 12px;
    padding: 48px 64px; border: 2px dashed var(--accent);
    border-radius: var(--radius); color: var(--accent);
    animation: dropPulse 1.5s infinite;
}
.drop-overlay-content span { font-size: 16px; font-weight: 600; }
.drop-overlay-content .drop-hint { font-size: 12px; color: var(--text-secondary); font-weight: 400; }
@keyframes dropPulse {
    0%,100% { border-color: var(--accent); }
    50% { border-color: rgba(20,184,166,0.4); }
}

/* ========== 导出弹窗 ========== */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.6);
    display: flex; align-items: center; justify-content: center;
    z-index: 2000; opacity: 0; pointer-events: none; transition: opacity 0.2s;
}
.modal-overlay.show { opacity: 1; pointer-events: auto; }
.modal {
    background: var(--bg-panel-solid); border: 1px solid var(--border);
    border-radius: var(--radius); width: 90%; max-width: 560px;
    max-height: 80vh; display: flex; flex-direction: column;
    transform: scale(0.95); transition: transform 0.2s;
}
.modal-overlay.show .modal { transform: scale(1); }
.modal-sm { max-width: 380px; }
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px; border-bottom: 1px solid var(--border);
    font-size: 15px; font-weight: 600; color: var(--text-primary);
}
.modal-close {
    background: none; border: none; color: var(--text-muted);
    font-size: 22px; cursor: pointer; line-height: 1; padding: 0 4px;
}
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 16px 20px; overflow-y: auto; }

.export-options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.export-option {
    padding: 14px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    background: var(--bg-hover); cursor: pointer; text-align: left; transition: all 0.2s;
}
.export-option:hover { border-color: var(--accent); background: rgba(20,184,166,0.08); }
.export-name { font-size: 14px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.export-desc { font-size: 11px; color: var(--text-muted); }

/* 帮助弹窗 */
.help-section { margin-bottom: 18px; }
.help-section h4 {
    font-size: 13px; color: var(--accent); margin-bottom: 8px;
    padding-bottom: 4px; border-bottom: 1px solid var(--border);
}
.help-section ul { list-style: none; }
.help-section li {
    font-size: 12px; color: var(--text-secondary); line-height: 1.8;
    padding-left: 12px; position: relative;
}
.help-section li::before {
    content: '·'; position: absolute; left: 0; color: var(--accent); font-weight: bold;
}
.help-section kbd {
    display: inline-block; padding: 1px 6px; background: var(--bg-panel);
    border: 1px solid var(--border); border-radius: 3px;
    font-family: var(--mono); font-size: 10px; color: var(--text-primary);
}
.help-section code {
    display: inline-block; padding: 1px 6px; background: var(--bg-panel);
    border: 1px solid var(--border); border-radius: 3px;
    font-family: var(--mono); font-size: 11px; color: var(--accent);
}

/* ========== 搜索框 ========== */
.search-box {
    position: fixed; top: 56px; right: 80px; width: 300px;
    z-index: 998; opacity: 0; pointer-events: none; transform: translateY(-4px);
    transition: opacity 0.2s, transform 0.2s;
}
.search-box.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.search-box input {
    width: 100%; padding: 10px 14px; background: var(--bg-panel);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border); border-radius: var(--radius);
    color: var(--text-primary); font-size: 13px; outline: none;
}
.search-box input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-glow); }
.search-box input::placeholder { color: var(--text-muted); }
.search-results {
    margin-top: 6px; background: var(--bg-panel);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border); border-radius: var(--radius);
    max-height: 320px; overflow-y: auto; display: none;
}
.search-results.show { display: block; }
.search-result-item { padding: 10px 14px; cursor: pointer; transition: background 0.15s; }
.search-result-item:hover { background: var(--bg-hover); }
.result-name { font-size: 13px; color: var(--text-primary); margin-bottom: 2px; }
.result-addr { font-size: 11px; color: var(--text-muted); }

/* ========== Toast ========== */
.toast {
    position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%) translateY(10px);
    background: var(--bg-panel-solid); color: var(--text-primary);
    padding: 10px 20px; border-radius: var(--radius); font-size: 13px;
    border: 1px solid var(--border); z-index: 3000;
    opacity: 0; pointer-events: none; transition: all 0.3s;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ========== 节点编辑标记 ========== */
.node-marker {
    width: 12px; height: 12px; border-radius: 50%;
    background: #fff; border: 2px solid var(--accent);
    box-shadow: 0 0 6px rgba(0,0,0,0.5); cursor: move;
}

/* ========== 热力图 ========== */
.BMap_hide { display: none; }

/* ========== P3: 工具面板 ========== */
.merge-list {
    max-height: 140px; overflow-y: auto;
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    background: var(--bg-panel-solid);
}
.merge-item {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 10px; font-size: 11px; color: var(--text-secondary);
    cursor: pointer; border-bottom: 1px solid var(--border);
}
.merge-item:last-child { border-bottom: none; }
.merge-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.merge-item input[type="checkbox"] { accent-color: var(--accent); cursor: pointer; }
.merge-item .mi-dot {
    width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
}
.merge-item .mi-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.merge-item .mi-count { font-size: 10px; color: var(--text-muted); font-family: var(--mono); }
.merge-empty { padding: 16px; text-align: center; color: var(--text-muted); font-size: 11px; }

.elevation-info {
    margin-top: 8px; padding: 8px 10px;
    background: var(--bg-panel-solid); border: 1px solid var(--border);
    border-radius: var(--radius-sm); font-size: 11px;
}
.elevation-info .ei-row {
    display: flex; justify-content: space-between; padding: 2px 0;
    color: var(--text-secondary);
}
.elevation-info .ei-row span:last-child {
    color: var(--text-primary); font-family: var(--mono);
}
.elevation-legend {
    display: flex; height: 8px; border-radius: 4px; overflow: hidden;
    margin: 6px 0;
}
.elevation-legend span { flex: 1; }
.elevation-legend-labels {
    display: flex; justify-content: space-between;
    font-size: 9px; color: var(--text-muted); font-family: var(--mono);
}

.pb-mode-label {
    font-size: 10px; color: var(--text-muted); font-family: var(--mono);
    padding: 0 4px; min-width: 28px; text-align: center;
}
.pb-btn.active-mode {
    background: rgba(20,184,166,0.15); color: var(--accent);
}

/* ========== P3: 批量转换面板 ========== */
#batchPanel { width: 280px; }
#batchPanel .share-textarea {
    width: 100%; resize: vertical; min-height: 60px;
    background: var(--bg-panel-solid); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text-primary);
    font-size: 11px; font-family: var(--mono); padding: 8px;
    outline: none;
}
#batchPanel .share-textarea:focus { border-color: var(--accent); }
#batchPanel select { cursor: pointer; }

/* ========== 响应式 ========== */
@media (max-width: 640px) {
    .panel { width: calc(100% - 24px); max-width: 320px; }
    .toolbar { right: 8px; padding: 4px; }
    .tool-btn { width: 44px; height: 44px; }
    .tool-label { font-size: 9px; }
    .style-panel, #coordPanel2, #sharePanel, #toolsPanel, #batchPanel { right: 60px; width: 200px; }
    .search-box { right: 60px; width: calc(100% - 80px); }
    .brand-tool { display: none; }
    .export-options { grid-template-columns: 1fr; }
    .pb-progress { width: 120px; }
    .pb-time { min-width: 50px; font-size: 10px; }
    .playback-bar { padding: 6px 10px; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}