:root {
    --primary-bg: #0a0a0a;
    --secondary-bg: #1a1a1a;
    --card-bg: #ffffff;
    --border-color: #e5e5e5;
    --primary-color: #1a1a1a;
    --secondary-color: #404040;
    --accent-color: #2a2a2a;
    --success-color: #2a2a2a;
    --warning-color: #525252;
    --danger-color: #737373;
    --text-primary: #1a1a1a;
    --text-secondary: #737373;
    --text-muted: #a3a3a3;
}

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

html, body {
    height: 100%;
}

body {
    font-family: 'Segoe UI', 'Roboto', 'Arial', sans-serif;
    background: #dfe3e8;
    color: var(--text-primary);
    min-height: 100vh;
    overflow: hidden;
}

/* ============ 全屏 3D 舞台 ============ */
.stage {
    position: fixed;
    inset: 0;
    overflow: hidden;
}

#view3dContainer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #f0f2f5 0%, #dfe3e8 100%);
    overflow: hidden;
    touch-action: none;
}

#view3dContainer canvas {
    display: block;
}

/* 悬浮层通用 */
.overlay {
    position: absolute;
    z-index: 10;
}

/* 右上：设置按钮 */
.icon-btn {
    top: 14px;
    right: 14px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

/* 左下：颜色图例 */
.legend {
    left: 14px;
    bottom: 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    font-size: 12px;
    color: #1a1a1a;
}

.lg-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lg-swatch {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    display: inline-block;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* ============ 左右侧栏 ============ */
.side-panel {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 300px;
    max-height: calc(100vh - 92px);
    padding: 14px;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid #e5e5e5;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
    overflow-y: auto;
}

.side-left {
    left: 14px;
    top: 14px;
}

.side-right {
    right: 14px;
    top: 62px;
}

.side-title {
    font-size: 12px;
    font-weight: 700;
    color: #737373;
    letter-spacing: 1px;
}

.side-panel > .btn {
    width: 100%;
    text-align: center;
}

/* 安装设置面板 */
.install-panel {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 12px;
    background: #f7f8fa;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
}

/* 方案选择下拉 (左侧编辑 / 右侧切换) */
.scheme-select {
    width: 100%;
    padding: 7px 8px;
    border: 1px solid #d4d4d4;
    border-radius: 6px;
    font-size: 13px;
    color: #1a1a1a;
    background: #fff;
}

.scheme-switch {
    display: flex;
    align-items: center;
    gap: 8px;
}

.scheme-switch .ss-label {
    font-size: 12px;
    font-weight: 600;
    color: #525252;
    white-space: nowrap;
}

.scheme-switch select {
    flex: 1;
    min-width: 0;
    padding: 7px 8px;
    border: 1px solid #d4d4d4;
    border-radius: 6px;
    font-size: 13px;
    color: #1a1a1a;
    background: #fff;
}

/* 图标按钮 (如编辑方案的铅笔) */
.btn-icon {
    flex: 0 0 auto;
    padding: 7px 10px;
    line-height: 1;
    font-size: 14px;
}

/* 方案编辑视图头部: 标题 + 关闭叉号 */
.scheme-edit-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 4px;
}

.scheme-edit-head .side-title {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.scheme-edit-head .close-btn {
    font-size: 24px;
    color: #737373;
    cursor: pointer;
    line-height: 1;
    font-weight: 300;
    flex: 0 0 auto;
}

.scheme-edit-head .close-btn:hover {
    color: #1a1a1a;
}

#schemeEditView {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ip-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ip-label {
    font-size: 12px;
    font-weight: 600;
    color: #525252;
}

.seg {
    display: flex;
    gap: 8px;
}

.seg label {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 8px;
    border: 1px solid #d4d4d4;
    border-radius: 6px;
    background: #fff;
    font-size: 13px;
    color: #1a1a1a;
    cursor: pointer;
}

.seg label:has(input:checked) {
    border-color: #2a6496;
    background: #eaf1f8;
    color: #2a6496;
    font-weight: 600;
}

.seg input {
    accent-color: #2a6496;
}

.ip-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.ip-name {
    font-size: 13px;
    font-weight: 600;
}

.sensor-pos {
    width: 96px;
    padding: 6px 8px;
    border: 1px solid #d4d4d4;
    border-radius: 6px;
    font-size: 13px;
    color: #1a1a1a;
    background: #fff;
}

.ip-actions {
    display: flex;
    gap: 8px;
}

.ip-actions .btn {
    flex: 1;
}

/* 右侧操作组 */
.op-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-bottom: 12px;
    border-bottom: 1px solid #eee;
}

.op-group .stop-badge {
    font-size: 13px;
    color: #1a1a1a;
    padding: 7px 10px;
    background: #f5f5f5;
    border: 1px solid #e5e5e5;
    border-radius: 6px;
    text-align: center;
}

.op-group .stop-badge span {
    font-weight: 700;
    color: #2a6496;
}

.rotate-row {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 6px;
}

.rotate-row select,
.rotate-row #rotateDegInput {
    padding: 7px 8px;
    font-size: 13px;
    border: 1px solid #d4d4d4;
    border-radius: 6px;
    color: #1a1a1a;
    background: #fff;
}

.rotate-row select {
    flex: 1;
    min-width: 0;
}

.rotate-row #rotateDegInput {
    width: 68px;
    text-align: center;
}

/* 旋转排一排: 切换方向(文字, 定宽) + 度数(伸缩) + 旋转按钮(定宽) */
.rotate-row #rotateDirBtn {
    flex: 0 0 auto;
    padding: 7px 10px;
    font-size: 12px;
}

.rotate-row #rotateApplyBtn {
    flex: 0 0 auto;
}

/* 计算 / 重置 一排: 计算(主, 更宽) + 刷新(略大图标按钮) */
.op-row {
    display: flex;
    gap: 8px;
}

.op-row #calcResultBtn {
    flex: 2;
}

.op-row #resetBtn {
    flex: 1;
    font-size: 18px;
    padding: 9px 12px;
}

/* 内联计算结果 */
.calc-result-box {
    margin-top: 8px;
    padding: 10px 12px;
    background: #f5f7fa;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
}

.calc-result-box .cr-title {
    font-size: 12px;
    font-weight: 700;
    color: #737373;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.calc-result-box .cr-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 8px;
    font-size: 13px;
    padding: 2px 0;
}

.calc-result-box .cr-row span {
    color: #525252;
}

.calc-result-box .cr-row b {
    color: #2a6496;
    font-family: 'Courier New', monospace;
}

/* 小号按钮 (图例区“切回原始视向”) */
.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
    width: 100%;
}

/* 方案编辑区: 副说明文字 */
.ip-sub {
    font-size: 12px;
    color: #737373;
    margin: -2px 0 2px;
}

/* 方案编辑区: 段内按钮 / 保存按钮铺满整行 */
#schemeEditView > .btn,
.ip-block > .btn {
    width: 100%;
    text-align: center;
}

/* 测量结果日志 */
.result-log {
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
}

.rl-empty {
    color: #a3a3a3;
    font-size: 13px;
    text-align: center;
    padding: 20px 0;
}

.rl-item {
    padding: 8px 10px;
    background: #fafafa;
    border: 1px solid #e5e5e5;
    border-radius: 6px;
}

.rl-head {
    font-size: 12px;
    color: #525252;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.rl-head b {
    color: #2a6496;
    font-size: 13px;
}

.rl-time {
    margin-left: auto;
    color: #a3a3a3;
    font-size: 11px;
}

.rl-val {
    display: flex;
    justify-content: space-between;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    padding: 1px 0;
}

/* ============ 按钮 ============ */
.btn {
    padding: 8px 16px;
    background: white;
    color: #525252;
    border: 1px solid #d4d4d4;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.btn:hover {
    background: #fafafa;
    border-color: #a3a3a3;
    color: #1a1a1a;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: #1a1a1a;
    color: white;
    border: 1px solid #1a1a1a;
}

.btn-primary:hover {
    background: #2a2a2a;
    border-color: #2a2a2a;
    color: white;
}

/* ============ 设置弹窗内：传感器状态列表 ============ */
.status-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: #fafafa;
    border: 1px solid #e5e5e5;
    border-radius: 6px;
    font-size: 13px;
    color: #525252;
    justify-content: flex-start;
}

.status-item span:last-child:not(:first-child) {
    margin-left: auto;
    font-family: 'Courier New', monospace;
    color: #1a1a1a;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    animation: blink 1s ease-in-out infinite;
    box-shadow: 0 0 4px rgba(16, 185, 129, 0.5);
    flex-shrink: 0;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ============ 结果 / 报告 ============ */
.result-item {
    padding: 12px;
    background: #fafafa;
    border-radius: 6px;
    margin-bottom: 10px;
    border: 1px solid #e5e5e5;
}

.result-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.result-value {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
}

/* ============ 模态框 ============ */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
}

.modal-content {
    background: var(--card-bg);
    margin: 3% auto;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    width: 90%;
    max-width: 900px;
    max-height: 85vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
    background: #fafafa;
}

.modal-title {
    font-size: 18px;
    color: var(--text-primary);
    font-weight: 600;
    margin: 0;
}

.close-btn {
    font-size: 28px;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
    font-weight: 300;
    transition: color 0.2s;
}

.close-btn:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 20px 25px;
    overflow-y: auto;
    max-height: calc(85vh - 80px);
}

.form-group {
    margin-bottom: 15px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    color: #737373;
    font-size: 13px;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 10px;
    background: white;
    border: 1px solid #e5e5e5;
    border-radius: 6px;
    color: #1a1a1a;
    font-size: 14px;
}

.form-input:focus {
    outline: none;
    border-color: #737373;
    box-shadow: 0 0 0 3px rgba(115, 115, 115, 0.1);
}

.modal-buttons {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

.modal-buttons .btn {
    color: #1a1a1a;
}

/* ============ 历史记录列表 ============ */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.history-item {
    padding: 16px;
    background: #fafafa;
    border: 1px solid #e5e5e5;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.history-item:hover {
    background: #f5f5f5;
    border-color: #d4d4d4;
    transform: translateX(4px);
}

.history-rename {
    margin-top: 10px;
    display: flex;
    gap: 6px;
    align-items: center;
}

.history-rename-input {
    flex: 1;
    padding: 6px 8px;
    border: 1px solid #d4d4d4;
    border-radius: 4px;
    font-size: 12px;
    color: #1a1a1a;
    background: #ffffff;
}

.btn-mini {
    padding: 4px 8px;
    font-size: 11px;
    background: #ffffff;
    color: #525252;
    border: 1px solid #d4d4d4;
    border-radius: 4px;
    cursor: pointer;
}

.btn-mini:hover {
    background: #f5f5f5;
    border-color: #a3a3a3;
}

.history-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.history-item-title {
    font-weight: 600;
    color: #1a1a1a;
    font-size: 1em;
}

.history-item-time {
    color: #737373;
    font-size: 0.85em;
}

.history-item-data {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 10px;
}

.history-data-item {
    padding: 8px 12px;
    background: white;
    border-radius: 4px;
    border: 1px solid #e5e5e5;
}

.history-data-label {
    font-size: 0.75em;
    color: #737373;
    margin-bottom: 4px;
}

.history-data-value {
    font-size: 0.9em;
    color: #1a1a1a;
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

.history-empty {
    text-align: center;
    padding: 60px 20px;
    color: #a3a3a3;
}

/* ============ 详情数据网格 ============ */
.detail-data-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin: 20px 0;
}

.detail-data-item {
    padding: 15px;
    background: #fafafa;
    border-radius: 6px;
    border: 1px solid #e5e5e5;
}

.detail-data-label {
    font-size: 0.85em;
    color: #737373;
    margin-bottom: 8px;
}

.detail-data-value {
    font-size: 1.1em;
    color: #1a1a1a;
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

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

::-webkit-scrollbar-track {
    background: #f0f0f0;
}

::-webkit-scrollbar-thumb {
    background: #d4d4d4;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a3a3a3;
}

/* ============ 响应式 ============ */
@media (max-width: 768px) {
    .side-panel {
        width: 200px;
        padding: 10px;
        gap: 8px;
    }

    .side-right {
        top: 58px;
    }

    .btn {
        padding: 7px 10px;
        font-size: 12px;
    }

    .sensor-pos {
        width: 84px;
    }

    .history-item-data {
        grid-template-columns: 1fr;
    }

    .detail-data-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}