/* ==========================================================================
   墨刻 MoKe - Professional CAD/CAM & Industrial CNC Design System
   Aesthetic Standards: SolidWorks, Siemens NX, AutoCAD Dark Industrial Architecture
   Design Principles: Compact Density, 1px Precision Borders, Engineered Typography
   ========================================================================== */

:root {
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, Monaco, "Courier New", monospace;

  /* Industrial CAD Dark Palette */
  --cad-bg-app: #121519;        /* 工业底盘暗石墨灰 */
  --cad-bg-viewport: #0d1013;   /* 视口绘图区暗场 */
  --cad-bg-panel: #1b1f26;      /* 左右工具箱/属性管理器背景 */
  --cad-bg-card: #232731;       /* 属性分组框背景 */
  --cad-bg-card-header: #282d38;/* 分组标题底色 */
  --cad-bg-input: #15181f;      /* 嵌入式输入框/下拉框背景 */
  --cad-bg-hover: #2c323e;      /* 悬停微高亮 */
  --cad-bg-active: #007acc;     /* 激活选中态背景 (SolidWorks 经典工业蓝) */

  /* Precision Engineering Borders (1px 锐利实线) */
  --cad-border: #363c48;        /* 标准工业分界线 */
  --cad-border-subtle: #2b303a; /* 弱分界线 */
  --cad-border-light: #444b58;  /* 控件边框 */
  --cad-border-focus: #007acc;  /* 焦点高亮 */

  /* Functional Status Accents */
  --cad-blue: #007acc;          /* SolidWorks / NX 工业蓝 */
  --cad-blue-hover: #1c8dec;
  --cad-cyan: #06b6d4;          /* 快速定位 / 辅助 */
  --cad-green: #22c55e;         /* 就绪 / 落笔 / 运行 */
  --cad-green-dim: #166534;
  --cad-amber: #f59e0b;         /* 工作原点 / 警告 / 强调 */
  --cad-amber-dim: #854d0e;
  --cad-red: #ef4444;           /* 急停 / 危险 / X轴 */
  --cad-red-dim: #991b1b;

  /* High Legibility Industrial Text */
  --cad-text-main: #e6edf3;     /* 主工程读数与标题 */
  --cad-text-secondary: #c9d1d9;/* 次要标签 */
  --cad-text-muted: #8b949e;    /* 单位、注释、微标 */
  --cad-text-disabled: #545d68; /* 禁用置灰 */

  /* Compatible CSS Variables (供已有代码与测试严格对接) */
  --bg-deep: var(--cad-bg-app);
  --bg-canvas: var(--cad-bg-viewport);
  --bg-surface: var(--cad-bg-panel);
  --bg-card: var(--cad-bg-card);
  --bg-input: var(--cad-bg-input);

  --border-subtle: var(--cad-border-subtle);
  --border-light: var(--cad-border-light);
  --border-glow: rgba(0, 122, 204, 0.5);

  --accent-primary: var(--cad-blue);
  --accent-primary-hover: var(--cad-blue-hover);
  --accent-cyan: var(--cad-cyan);
  --accent-emerald: var(--cad-green);
  --accent-amber: var(--cad-amber);
  --accent-rose: var(--cad-red);

  --text-main: var(--cad-text-main);
  --text-muted: var(--cad-text-muted);
  --text-faint: var(--cad-text-disabled);

  --radius-xs: 2px;
  --radius-sm: 3px;
  --radius-md: 4px;
}

/* ==========================================================================
   RESET & GLOBAL BASE
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: var(--cad-bg-app);
  color: var(--cad-text-main);
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  user-select: none;
  -webkit-font-smoothing: antialiased;
  font-size: 12px;
  line-height: 1.4;
}

/* ==========================================================================
   GLOBAL APP HEADER (CAD / SolidWorks 经典 42px 工业标题栏)
   ========================================================================== */
.app-header {
  height: 42px;
  min-height: 42px;
  background: var(--cad-bg-panel);
  border-bottom: 1px solid var(--cad-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  z-index: 100;
  gap: 12px;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.brand-logo {
  width: 24px;
  height: 24px;
  background: var(--cad-blue);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.brand-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #ffffff;
  white-space: nowrap;
}

.brand-badge {
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  padding: 1px 6px;
  background: rgba(0, 122, 204, 0.18);
  color: #38bdf8;
  border: 1px solid rgba(0, 122, 204, 0.4);
  border-radius: var(--radius-xs);
  white-space: nowrap;
}

.btn-contact-badge {
  cursor: pointer;
  background: rgba(0, 122, 204, 0.2);
  color: #38bdf8;
  border: 1px solid rgba(0, 122, 204, 0.45);
  transition: all 0.15s ease;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-contact-badge:hover {
  background: var(--cad-blue);
  color: #ffffff;
  border-color: var(--cad-blue-hover);
}

.btn-settings-badge {
  cursor: pointer;
  background: rgba(148, 163, 184, 0.15);
  color: #cbd5e1;
  border: 1px solid rgba(148, 163, 184, 0.35);
  transition: all 0.15s ease;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 1px 7px;
  margin-left: 5px;
}

.btn-settings-badge:hover {
  background: rgba(56, 189, 248, 0.2);
  color: #ffffff;
  border-color: var(--cad-cyan);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.header-paper-group {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  padding: 3px 8px;
}

.header-label {
  color: var(--cad-text-muted);
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}

.header-select {
  background: var(--cad-bg-input);
  border: 1px solid var(--cad-border-light);
  color: var(--cad-text-main);
  padding: 2px 6px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius-xs);
  height: 24px;
}

.header-select:focus {
  border-color: var(--cad-border-focus);
  outline: none;
}

.header-btn-group {
  display: inline-flex;
  background: var(--cad-bg-input);
  border: 1px solid var(--cad-border-light);
  border-radius: var(--radius-xs);
  padding: 1px;
  gap: 1px;
}

.header-vdivider {
  display: inline-block;
  width: 1px;
  height: 14px;
  background: var(--cad-border);
  margin: 0 2px;
}

.header-quick-actions {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}

.btn-header-action {
  padding: 3px 8px;
  font-size: 11px;
  font-family: var(--font-mono);
  height: 24px;
  border-radius: var(--radius-xs);
}

.header-comm-pill {
  padding: 3px 8px;
  height: 24px;
}

.header-baud-select {
  height: 20px;
  padding: 0 4px;
  font-size: 10.5px;
  font-family: var(--font-mono);
}

.btn-header-connect {
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  height: 26px;
  border-radius: var(--radius-xs);
}

/* Connection Pill */
.connection-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--cad-bg-input);
  border: 1px solid var(--cad-border);
  border-radius: var(--radius-xs);
  font-size: 11px;
  color: var(--cad-text-secondary);
  white-space: nowrap;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cad-text-disabled);
  flex-shrink: 0;
}

.status-dot.connected {
  background: var(--cad-green);
  box-shadow: 0 0 6px var(--cad-green);
}

/* ==========================================================================
   MAIN 3-COLUMN STUDIO LAYOUT
   ========================================================================== */
.app-container {
  flex: 1;
  display: grid;
  grid-template-columns: 340px 1fr 640px;
  height: calc(100vh - 42px);
  overflow: hidden;
  background: var(--cad-bg-app);
  transition: grid-template-columns 0.15s ease;
}

body.layout-dual-col .app-container {
  grid-template-columns: 340px 1fr 640px;
}

body.layout-single-col .app-container {
  grid-template-columns: 340px 1fr 340px;
}

/* Sidebar Panels (Left & Right) */
.sidebar-panel {
  background: var(--cad-bg-panel);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 10;
}

.sidebar-panel.left-panel {
  border-right: 1px solid var(--cad-border);
  width: 340px;
}

.sidebar-panel.right-machine-panel {
  border-left: 1px solid var(--cad-border);
  width: 640px;
  transition: width 0.15s ease;
}

body.layout-dual-col .sidebar-panel.right-machine-panel {
  width: 640px;
}

body.layout-single-col .sidebar-panel.right-machine-panel {
  width: 340px;
}

.panel-top-header {
  height: 34px;
  min-height: 34px;
  background: var(--cad-bg-card-header);
  border-bottom: 1px solid var(--cad-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
}

.panel-top-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--cad-text-main);
  letter-spacing: 0.03em;
}

.tab-content-wrapper {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Right machine panel dual-column grid & zero-scroll optimization */
.machine-tab-wrapper {
  padding: 6px;
  gap: 6px;
  overflow-y: auto;
  overflow-x: hidden;
  width: 100%;
  box-sizing: border-box;
}

.machine-panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  width: 100%;
  align-items: start;
  box-sizing: border-box;
}

.machine-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
}

.machine-col .glass-card {
  width: 100%;
  box-sizing: border-box;
}

body.layout-single-col .machine-panel-grid {
  display: flex !important;
  flex-direction: column !important;
  gap: 8px !important;
  width: 100% !important;
  align-items: stretch !important;
  box-sizing: border-box;
}

body.layout-single-col .machine-col {
  width: 100% !important;
  max-width: 100% !important;
  align-items: stretch !important;
  box-sizing: border-box;
}

body.layout-single-col .machine-col .glass-card {
  width: 100% !important;
  box-sizing: border-box;
}

.right-machine-panel .glass-card {
  padding: 6px 8px;
  gap: 4px;
  width: 100%;
  box-sizing: border-box;
}

.right-machine-panel .card-title {
  padding-bottom: 3px;
  margin-bottom: 2px;
  font-size: 11px;
  width: 100%;
}

.right-machine-panel .jog-card-header {
  margin-bottom: 1px;
  width: 100%;
}

.right-machine-panel .jog-pad-wrapper {
  width: 100%;
}

.right-machine-panel .jog-pad {
  gap: 3px;
  width: 100%;
}

.right-machine-panel .row-grid-2 {
  width: 100%;
}

.right-machine-panel .progress-container {
  width: 100%;
}

.right-machine-panel .btn-start-job {
  width: 100%;
}

.right-machine-panel .jog-btn {
  padding: 4px 0;
}

.right-machine-panel .btn-pen-action {
  padding: 6px;
  font-size: 11px;
}

.right-machine-panel .btn-mini {
  padding: 3px 6px;
  font-size: 10.5px;
}

.right-machine-panel .speed-presets-row {
  margin-bottom: 4px;
  gap: 2px;
}

.right-machine-panel .speed-presets-row .btn-seg {
  padding: 2px 4px;
  font-size: 10px;
}

.right-machine-panel .control-group {
  margin-bottom: 1px;
}

.right-machine-panel .control-label {
  font-size: 10.5px;
  margin-bottom: 1px;
}

.right-machine-panel .control-value {
  font-size: 10px;
}

.right-machine-panel .slider-input-combo {
  display: flex;
  align-items: center;
  gap: 4px;
}

.right-machine-panel .input-num-speed {
  width: 58px;
  height: 22px;
  font-size: 11px;
  padding: 1px 4px;
}

.right-machine-panel select {
  height: 24px;
  font-size: 11px;
  padding: 1px 4px;
}

.right-machine-panel input[type="number"] {
  height: 22px;
  font-size: 11px;
  padding: 1px 4px;
}

.right-machine-panel .hardware-axis-group {
  margin-top: 4px;
  padding-top: 4px;
}

.right-machine-panel .btn-start-job {
  padding: 6px;
  font-size: 11.5px;
  font-weight: 700;
}

.right-machine-panel .btn-job-action {
  padding: 4px;
  font-size: 10.5px;
}

.right-machine-panel .row-grid-4 {
  gap: 3px;
  width: 100%;
}

.right-machine-panel .row-grid-4 .btn-mini {
  padding: 3px 2px;
  font-size: 10px;
  text-align: center;
  justify-content: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.right-machine-panel input[type="range"] {
  margin: 2px 0 3px 0;
  height: 3px;
}

.right-machine-panel .terminal-window {
  height: 80px;
  min-height: 60px;
  font-size: 10.5px;
  padding: 4px 6px;
}

.right-machine-panel .terminal-input-row {
  margin-top: 4px;
  gap: 4px;
}

.right-machine-panel .terminal-input-row input {
  height: 22px;
  font-size: 11px;
}

.right-machine-panel .terminal-input-row button {
  height: 22px;
  padding: 0 8px;
}

.tab-pane {
  display: none;
  flex-direction: column;
  gap: 8px;
}

.tab-pane.active {
  display: flex;
}

/* ==========================================================================
   MODE DROPDOWN CARD (SolidWorks Feature Manager Header Style)
   ========================================================================== */
.mode-dropdown-card {
  background: var(--cad-bg-card);
  border-bottom: 1px solid var(--cad-border);
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.mode-dropdown-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--cad-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mode-select-input {
  width: 100%;
  padding: 5px 8px;
  background: var(--cad-bg-input);
  border: 1px solid var(--cad-border-light);
  border-radius: var(--radius-xs);
  color: #ffffff;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  outline: none;
  transition: border-color 0.15s ease;
}

.mode-select-input:focus {
  border-color: var(--cad-border-focus);
}

/* ==========================================================================
   PROPERTY GROUP CARDS (SolidWorks PropertyManager Group Box)
   ========================================================================== */
.glass-card {
  background: var(--cad-bg-card);
  border: 1px solid var(--cad-border);
  border-radius: var(--radius-xs);
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: none;
}

.card-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--cad-text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--cad-border-subtle);
  margin-bottom: 2px;
  letter-spacing: 0.02em;
}

.title-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.title-tools {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Pill Badges */
.pill-badge {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 600;
  padding: 1px 5px;
  background: rgba(139, 148, 158, 0.15);
  color: var(--cad-text-secondary);
  border: 1px solid var(--cad-border);
  border-radius: var(--radius-xs);
  white-space: nowrap;
}

.pill-badge-green {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border-color: rgba(34, 197, 94, 0.3);
}

.pill-badge-amber {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.3);
}

/* ==========================================================================
   FORM CONTROLS & COMPACT INPUTS
   ========================================================================== */
.control-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 5px;
}

.control-label {
  font-size: 11px;
  line-height: 16px;
  color: var(--cad-text-muted);
  font-weight: 500;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 5px;
}

.control-value {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--cad-text-main);
  font-size: 11px;
}

.val-amber {
  color: #fbbf24;
}

/* Text Inputs, Selects, and Textareas */
input[type="text"],
input[type="number"],
select,
textarea {
  width: 100%;
  background: var(--cad-bg-input);
  border: 1px solid var(--cad-border-light);
  border-radius: var(--radius-xs);
  color: var(--cad-text-main);
  padding: 4px 6px;
  font-size: 11.5px;
  outline: none;
  font-family: var(--font-sans);
  transition: border-color 0.15s ease;
}

input[type="number"] {
  font-family: var(--font-mono);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--cad-border-focus);
}

textarea {
  resize: vertical;
  line-height: 1.45;
}

.code-preview-area {
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.35;
  background: #0d1014;
  border-color: #2b303b;
}

.select-mini {
  width: auto;
  padding: 2px 5px;
  font-size: 10.5px;
  height: 22px;
}

.select-compact {
  font-size: 11px;
  font-weight: 600;
}

.input-num-mini {
  width: 50px;
  text-align: right;
  font-size: 11px;
  padding: 2px 4px;
  height: 22px;
}

.input-num-speed {
  width: 62px;
  text-align: right;
  font-size: 11px;
  padding: 2px 4px;
  height: 24px;
}

/* Slider and Number Combo */
.slider-input-combo {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Industrial Sliders */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: #2b313c;
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  margin: 4px 0 6px 0;
  padding: 0;
  display: block;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 16px;
  background: #94a3b8;
  border: 1px solid #1e2229;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.1s ease, border-color 0.1s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

input[type="range"]::-webkit-slider-thumb:hover {
  background: #ffffff;
  border-color: var(--cad-blue);
}

/* Checkbox Labels */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--cad-text-secondary);
  cursor: pointer;
  user-select: none;
}

.checkbox-label input[type="checkbox"] {
  width: 13px;
  height: 13px;
  accent-color: var(--cad-blue);
  cursor: pointer;
}

/* Grid Layouts */
.row-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.row-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.row-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}

/* Style Presets Grid */
.style-presets-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-bottom: 10px;
  width: 100%;
}

.preset-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6px 3px;
  gap: 2px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--cad-border-light);
  background: var(--cad-bg-input);
  cursor: pointer;
  transition: all 0.15s ease;
  min-width: 0;
  overflow: hidden;
}

.preset-btn:hover {
  background: var(--cad-bg-hover);
  border-color: var(--cad-border);
}

.preset-btn .preset-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--cad-text-main);
  white-space: nowrap;
}

.preset-btn .preset-sub {
  font-size: 9.5px;
  color: var(--cad-text-muted);
  white-space: nowrap;
  line-height: 1.2;
}

.preset-btn.active {
  background: rgba(0, 122, 204, 0.2);
  border-color: var(--cad-blue);
}

.preset-btn.active .preset-title {
  color: #38bdf8;
}

.preset-btn.active .preset-sub {
  color: #7dd3fc;
}

/* ==========================================================================
   BUTTONS (Industrial Tool Buttons)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 600;
  border-radius: var(--radius-xs);
  cursor: pointer;
  border: 1px solid transparent;
  outline: none;
  transition: all 0.12s ease;
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: var(--cad-blue);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.15);
}

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

.btn-secondary {
  background: var(--cad-bg-input);
  color: var(--cad-text-main);
  border-color: var(--cad-border-light);
}

.btn-secondary:hover {
  background: var(--cad-bg-hover);
  border-color: var(--cad-border);
}

.btn-success {
  background: #166534;
  color: #ffffff;
  border-color: #22c55e;
}

.btn-success:hover {
  background: #15803d;
}

.btn-danger {
  background: #991b1b;
  color: #ffffff;
  border-color: #ef4444;
}

.btn-danger:hover {
  background: #b91c1c;
}

.btn-block {
  width: 100%;
}

.btn-mini {
  padding: 2px 6px;
  font-size: 10.5px;
  height: 22px;
}

.btn-text-danger {
  color: #f87171;
}

/* Segmented Toggle Buttons (btn-seg) */
.btn-seg {
  background: transparent;
  color: var(--cad-text-secondary);
  border: none;
  padding: 2px 6px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-xs);
  transition: all 0.12s ease;
  white-space: nowrap;
}

.btn-seg:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.btn-seg.active {
  background: var(--cad-blue);
  color: #ffffff;
  font-weight: 600;
}

/* Font Manager Card */
.font-manager-card {
  gap: 6px;
}

.font-action-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 6px;
}

.font-action-btn {
  padding: 5px;
  font-size: 11px;
  text-align: center;
}

.font-list-select {
  max-height: 140px;
  cursor: pointer;
  font-size: 11.5px;
}

.font-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10.5px;
  color: var(--cad-text-muted);
  padding: 2px 0;
}

/* Style Presets */
.style-presets-row {
  display: flex;
  gap: 4px;
  margin-bottom: 4px;
}

.preset-btn {
  flex: 1;
  font-size: 11px;
  padding: 4px 2px;
  text-align: center;
  line-height: 1.25;
}

.preset-sub {
  font-size: 9.5px;
  font-weight: 400;
  opacity: 0.8;
}

.preset-speed-btn {
  font-size: 10.5px;
  padding: 5px 2px;
}

/* ==========================================================================
   COLUMN 2 (CENTER): CAD VIEWPORT (工程图形视口与网格暗场)
   ========================================================================== */
.viewport-panel.center-viewport {
  position: relative;
  background: var(--cad-bg-viewport);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

#renderCanvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

/* Floating CAD Toolbar (Elegant Two-Row Layout) */
.viewport-toolbar {
  position: absolute;
  top: 10px;
  left: 20px;
  transform: none;
  background: rgba(26, 30, 38, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--cad-border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  display: flex !important;
  flex-direction: column !important;
  gap: 6px;
  z-index: 20;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.05);
  max-width: calc(100% - 24px);
  user-select: none;
  transition: left 0.2s ease, transform 0.2s ease;
}

body.toolbar-pos-center .viewport-toolbar {
  left: 50% !important;
  transform: translateX(-50%) !important;
}

body.toolbar-pos-left .viewport-toolbar {
  left: 20px !important;
  transform: none !important;
}

.viewport-toolbar::-webkit-scrollbar {
  height: 2px;
}

.toolbar-row {
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: nowrap !important;
  align-items: center !important;
  justify-content: center;
  gap: 6px;
  white-space: nowrap !important;
}

/* 单元控制块：单行行内弹性对齐 */
.toolbar-ctrl-unit,
.toolbar-angle-box,
.toolbar-pos-box {
  display: inline-flex !important;
  flex-direction: row !important;
  flex-wrap: nowrap !important;
  align-items: center !important;
  gap: 4px;
  height: 24px;
  flex-shrink: 0;
  white-space: nowrap;
}

.toolbar-seg-group {
  display: inline-flex !important;
  flex-direction: row !important;
  flex-wrap: nowrap !important;
  align-items: center !important;
  background: var(--cad-bg-input);
  border: 1px solid var(--cad-border-light);
  border-radius: var(--radius-xs);
  padding: 1px;
  gap: 1px;
}

.tool-btn {
  width: 24px;
  height: 24px;
  background: var(--cad-bg-input);
  border: 1px solid var(--cad-border-light);
  border-radius: var(--radius-xs);
  color: var(--cad-text-main);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.12s ease;
  flex-shrink: 0;
  padding: 0;
}

.tool-btn:hover {
  background: var(--cad-bg-hover);
  border-color: var(--cad-border);
}

.tool-btn.active {
  background: var(--cad-blue);
  color: #ffffff;
  border-color: var(--cad-blue);
}

.tool-btn-danger {
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.35);
}

.tool-btn-danger:hover {
  background: #991b1b;
  color: #ffffff;
  border-color: #ef4444;
}

.tool-btn-straighten {
  width: auto;
  height: 24px;
  line-height: 22px;
  padding: 0 10px;
  font-size: 11px;
  font-weight: 700;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all 0.15s ease;
}

.tool-btn-straighten.active-straight {
  color: #4ade80;
  background: rgba(34, 197, 94, 0.16);
  border: 1px solid rgba(34, 197, 94, 0.5);
}

.tool-btn-straighten.warn-straight {
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.22);
  border: 1px solid rgba(245, 158, 11, 0.6);
  animation: pulseAngleWarn 1.6s infinite alternate;
}

@keyframes pulseAngleWarn {
  0% { box-shadow: 0 0 0 rgba(245, 158, 11, 0); }
  100% { box-shadow: 0 0 8px rgba(245, 158, 11, 0.45); }
}

.btn-mini-toolbar {
  height: 22px;
  line-height: 20px;
  padding: 0 6px;
  font-size: 10.5px;
  font-weight: 600;
  background: var(--cad-bg-input);
  border: 1px solid var(--cad-border-light);
  border-radius: var(--radius-xs);
  color: var(--cad-text-secondary);
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.12s ease;
}

.btn-mini-toolbar:hover {
  background: var(--cad-bg-hover);
  color: #ffffff;
  border-color: var(--cad-border);
}

.toolbar-divider {
  width: 1px;
  height: 16px;
  background: var(--cad-border);
  margin: 0 3px;
  flex-shrink: 0;
}

.tool-label {
  font-size: 11px;
  color: var(--cad-text-muted);
  font-weight: 600;
  padding: 0 2px;
  flex-shrink: 0;
  white-space: nowrap;
}

.tool-coord {
  font-size: 10.5px;
  font-family: var(--font-mono);
  color: var(--cad-text-muted);
  font-weight: 700;
  flex-shrink: 0;
}

.tool-coord.coord-x {
  color: #f87171;
}

.tool-coord.coord-y {
  color: #4ade80;
}

.tool-unit {
  font-size: 11px;
  color: var(--cad-text-muted);
  flex-shrink: 0;
}

.slider-angle-compact {
  width: 48px !important;
  height: 4px !important;
  cursor: pointer;
  flex-shrink: 0;
  accent-color: var(--cad-blue);
}

/* 彻底解决第二张截图问题：输入框宽度充足、去生硬箭头、文字居中清晰 */
.input-angle-num {
  width: 44px !important;
  min-width: 44px !important;
  background: #0f1216;
  border: 1px solid var(--cad-border-light);
  color: var(--cad-text-main);
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 600;
  padding: 1px 3px;
  border-radius: var(--radius-xs);
  text-align: center;
  height: 22px !important;
  flex-shrink: 0;
  outline: none;
  transition: border-color 0.15s ease;
}

.input-coord-num {
  width: 50px !important;
  min-width: 50px !important;
  background: #0f1216;
  border: 1px solid var(--cad-border-light);
  color: var(--cad-text-main);
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 600;
  padding: 1px 4px;
  border-radius: var(--radius-xs);
  text-align: center;
  height: 22px !important;
  flex-shrink: 0;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

/* 消除 WebKit / Chrome 原生数字上下小箭头，防止压缩挤压遮挡数字 */
.input-coord-num::-webkit-inner-spin-button,
.input-coord-num::-webkit-outer-spin-button,
.input-angle-num::-webkit-inner-spin-button,
.input-angle-num::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.input-coord-num,
.input-angle-num {
  -moz-appearance: textfield;
  appearance: textfield;
}

.input-coord-num:focus,
.input-angle-num:focus {
  border-color: var(--cad-blue);
  box-shadow: 0 0 0 1px rgba(0, 122, 204, 0.4);
}

.input-origin-num {
  border-color: rgba(245, 158, 11, 0.45);
  color: #fbbf24;
}

.input-origin-num:focus {
  border-color: #f59e0b;
  box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.4);
}

.badge-angle-locked {
  display: inline-block;
  font-size: 10px;
  font-family: var(--font-mono);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.35);
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
  white-space: nowrap;
}

.badge-angle-warn {
  display: inline-block;
  font-size: 10px;
  font-family: var(--font-mono);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  background: rgba(245, 158, 11, 0.18);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.5);
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
  white-space: nowrap;
  animation: pulseAngleWarn 1.6s infinite alternate;
}

input:disabled,
button:disabled {
  opacity: 0.42 !important;
  cursor: not-allowed !important;
  pointer-events: none;
}

/* Viewport Legend */
.viewport-legend {
  position: absolute;
  bottom: 8px;
  left: 12px;
  right: 12px;
  background: rgba(27, 31, 38, 0.9);
  border: 1px solid var(--cad-border);
  border-radius: var(--radius-xs);
  padding: 4px 10px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 10.5px;
  z-index: 20;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.legend-swatch {
  width: 10px;
  height: 4px;
  border-radius: 1px;
}

.swatch-x { background: #ef4444; }
.swatch-y { background: #22c55e; }
.swatch-origin { background: #f59e0b; width: 6px; height: 6px; border-radius: 50%; }
.swatch-ink { background: #1a4f9c; }
.swatch-rapid { background: #06b6d4; border: 1px dashed #06b6d4; }
.swatch-paper { background: #e2e8f0; }
.swatch-swap { background: #06b6d4; }

.legend-text {
  font-weight: 600;
}

/* Color Helpers */
.text-cyan { color: #38bdf8 !important; }
.text-amber { color: #fbbf24 !important; }
.text-green { color: #4ade80 !important; }
.text-red { color: #f87171 !important; }
.text-emerald { color: #34d399 !important; }

/* ==========================================================================
   COLUMN 3 (RIGHT): CNC MACHINE CONTROLLER (机床数控台与 JOG 键盘)
   ========================================================================== */
.jog-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--cad-border-subtle);
}

.jog-title {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--cad-text-main);
  letter-spacing: 0.04em;
}

.jog-step-box {
  display: flex;
  align-items: center;
  gap: 4px;
}

.jog-step-label {
  font-size: 10.5px;
  color: var(--cad-text-muted);
}

.jog-pad-wrapper {
  padding: 4px 0;
}

/* 3x3 CNC Jog Keyboard */
.jog-pad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.jog-btn {
  background: var(--cad-bg-input);
  border: 1px solid var(--cad-border-light);
  border-radius: var(--radius-xs);
  padding: 6px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--cad-text-main);
  transition: all 0.1s ease;
  user-select: none;
}

.jog-btn:hover {
  background: var(--cad-bg-hover);
  border-color: var(--cad-border);
}

.jog-btn:active {
  background: var(--cad-blue);
  color: #ffffff;
}

.jog-icon {
  font-size: 12px;
  line-height: 1;
}

.jog-text {
  font-size: 9.5px;
  font-family: var(--font-mono);
  font-weight: 600;
  margin-top: 2px;
}

.jog-btn-dir {
  background: #252a34;
  border-color: #3b4352;
}

.jog-btn-home {
  background: #1e3a5f;
  border-color: #2563eb;
  color: #93c5fd;
}

.jog-btn-zero {
  color: #fbbf24;
}

.jog-btn-reset {
  color: #f87171;
}

.jog-btn-unlock {
  color: #34d399;
}

/* Pen Actions */
.pen-state-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  background: rgba(6, 182, 212, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(6, 182, 212, 0.3);
  white-space: nowrap;
}

.btn-pen-action {
  padding: 8px;
  font-size: 12px;
  font-weight: 700;
}

.btn-pen-up {
  background: rgba(6, 182, 212, 0.12);
  border-color: #0891b2;
  color: #38bdf8;
}

.btn-pen-up:hover {
  background: rgba(6, 182, 212, 0.22);
}

.btn-pen-down {
  background: rgba(34, 197, 94, 0.12);
  border-color: #16a34a;
  color: #4ade80;
}

.btn-pen-down:hover {
  background: rgba(34, 197, 94, 0.22);
}

/* Speed Presets */
.speed-presets-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
  margin-bottom: 6px;
}

/* Hardware Axis Group */
.hardware-axis-group {
  border-top: 1px solid var(--cad-border-subtle);
  margin-top: 6px;
  padding-top: 6px;
}

.hardware-axis-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.hardware-axis-title {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--cad-text-muted);
}

/* Job Execution Controls */
.progress-container {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.progress-track {
  height: 6px;
  background: #14171d;
  border: 1px solid var(--cad-border-light);
  border-radius: 1px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: var(--cad-blue);
  transition: width 0.15s ease;
}

.progress-text {
  font-size: 10.5px;
  font-family: var(--font-mono);
  color: var(--cad-text-muted);
  text-align: right;
}

.btn-start-job {
  padding: 8px;
  font-size: 12px;
  font-weight: 700;
  background: #15803d;
  border-color: #22c55e;
}

.btn-job-action {
  font-size: 11px;
  padding: 6px;
}

/* Terminal Window */
.terminal-window {
  height: 100px;
  background: #0b0d10;
  border: 1px solid var(--cad-border);
  border-radius: var(--radius-xs);
  padding: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.35;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.terminal-line {
  word-break: break-all;
}

.terminal-line.sys {
  color: #38bdf8;
}

.terminal-line.rx {
  color: #4ade80;
}

.terminal-line.tx {
  color: #f1f5f9;
}

.terminal-input-row {
  display: flex;
  gap: 4px;
  margin-top: 4px;
}

/* ==========================================================================
   SCROLLBAR & ACCESSIBILITY
   ========================================================================== */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

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

::-webkit-scrollbar-thumb {
  background: #363c48;
  border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
  background: #4b5364;
}

/* ==========================================================================
   MODAL OVERLAYS & DIALOGS (模态弹窗全局基础架构)
   ========================================================================== */
.modal-backdrop {
  position: fixed !important;
  inset: 0 !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  margin: 0 !important;
  background: rgba(10, 14, 20, 0.75) !important;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  z-index: 99999 !important;
  padding: 16px;
  box-sizing: border-box;
}

.modal-backdrop.is-hidden,
.modal-backdrop[style*="display: none"] {
  display: none !important;
  pointer-events: none !important;
  visibility: hidden !important;
}

.modal-backdrop.home-contact-overlay {
  z-index: 99999;
}

.home-contact-modal {
  width: 100%;
  max-width: 380px;
  margin: auto;
  background: var(--cad-bg-card);
  border: 1px solid var(--cad-border);
  border-radius: 8px;
  padding: 0;
  text-align: left;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
  animation: modalScaleUp 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScaleUp {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.home-contact-modal__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--cad-border);
  position: relative;
  background: var(--cad-bg-card-header);
}

.home-contact-modal__avatar {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: linear-gradient(135deg, #0284c7, #3b82f6);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  box-shadow: 0 2px 8px rgba(0, 122, 204, 0.4);
}

.home-contact-modal__intro {
  flex: 1;
  min-width: 0;
}

.home-contact-modal__title {
  margin: 0 0 3px;
  font-size: 14px;
  font-weight: 700;
  color: var(--cad-text-main);
}

.home-contact-modal__subtitle {
  margin: 0;
  font-size: 11px;
  line-height: 1.4;
  color: var(--cad-text-muted);
}

.home-contact-modal__close {
  position: absolute;
  top: 10px;
  right: 12px;
  border: none;
  background: transparent;
  font-size: 18px;
  line-height: 1;
  color: var(--cad-text-muted);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  transition: all 0.15s;
}

.home-contact-modal__close:hover {
  color: var(--cad-text-main);
  background: var(--cad-bg-hover);
}

.home-contact-modal__body {
  padding: 16px;
}

.home-contact-modal__qr {
  text-align: center;
  padding: 12px 10px;
  border-radius: 6px;
  background: var(--cad-bg-input);
  border: 1px solid var(--cad-border-light);
}

.home-contact-modal__qr-img {
  display: block;
  width: 156px;
  height: 156px;
  margin: 0 auto;
  border-radius: 6px;
  object-fit: cover;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.home-contact-modal__qr-hint {
  margin: 8px 0 0;
  font-size: 11px;
  font-weight: 600;
  color: var(--cad-text-muted);
}

.home-contact-modal__links {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.home-contact-modal__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 4px;
  border: 1px solid var(--cad-border);
  background: var(--cad-bg-input);
  text-decoration: none;
  color: inherit;
  transition: all 0.15s ease;
}

.home-contact-modal__link:hover {
  border-color: var(--cad-blue);
  background: rgba(0, 122, 204, 0.12);
  transform: translateX(2px);
}

.home-contact-modal__link-label {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 700;
  color: #38bdf8;
  min-width: 60px;
}

.home-contact-modal__link-value {
  flex: 1;
  min-width: 0;
  font-size: 12px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--cad-text-main);
}

.home-contact-modal__link-arrow {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 700;
  color: #38bdf8;
}

.home-contact-modal__foot {
  padding: 10px 16px 14px;
  border-top: 1px solid var(--cad-border);
  background: var(--cad-bg-card);
}

.home-contact-modal__confirm {
  width: 100%;
  justify-content: center;
  height: 32px;
  font-size: 12px;
}

/* ==========================================================================
   SETTINGS MODAL (工业工程设置弹窗)
   ========================================================================== */
.home-settings-overlay {
  z-index: 99999;
}

.home-settings-modal {
  position: relative;
  width: min(520px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  border-radius: 8px;
  border: 1px solid var(--cad-border);
  background: var(--cad-bg-panel);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  margin: auto;
  animation: modalScaleUp 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.home-settings-modal__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--cad-border);
  background: var(--cad-bg-card-header);
}

.home-settings-modal__icon-box {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: rgba(0, 122, 204, 0.18);
  border: 1px solid rgba(0, 122, 204, 0.4);
  color: #38bdf8;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.home-settings-modal__intro {
  flex: 1;
  min-width: 0;
}

.home-settings-modal__title {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.02em;
}

.home-settings-modal__subtitle {
  margin: 2px 0 0;
  font-size: 11px;
  color: var(--cad-text-muted);
}

.home-settings-modal__close {
  position: absolute;
  top: 12px;
  right: 14px;
  border: none;
  background: transparent;
  font-size: 18px;
  line-height: 1;
  color: var(--cad-text-muted);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  transition: all 0.15s;
}

.home-settings-modal__close:hover {
  color: #ffffff;
  background: var(--cad-bg-hover);
}

.home-settings-modal__body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.settings-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.settings-group__title {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--cad-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.settings-options-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.settings-option-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--cad-border);
  border-radius: 6px;
  background: var(--cad-bg-card);
  cursor: pointer;
  transition: all 0.15s ease;
}

.settings-option-card:hover {
  border-color: rgba(56, 189, 248, 0.5);
  background: rgba(30, 41, 59, 0.4);
}

.settings-option-card input[type="radio"] {
  margin-top: 3px;
  cursor: pointer;
  accent-color: var(--cad-cyan);
}

.settings-option-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.settings-option-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  color: #ffffff;
}

.settings-option-desc {
  font-size: 11px;
  line-height: 1.45;
  color: var(--cad-text-muted);
}

.home-settings-modal__foot {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--cad-border);
  background: var(--cad-bg-card);
}

/* ==========================================================================
   CLOUD AUTH & REMOTE CONTROL (静态免服务器云控鉴权与安全控制系统)
   ========================================================================== */
.cloud-auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: rgba(8, 10, 14, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.cloud-auth-overlay.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* 核心防护：当未激活/锁机时，底层所有画板与工作区全部虚化屏蔽，防 F12 强行删除蒙层偷窥 */
body.moke-locked-state > *:not(.cloud-auth-overlay) {
  filter: blur(20px) !important;
  pointer-events: none !important;
  user-select: none !important;
  opacity: 0.08 !important;
  transition: filter 0.25s ease, opacity 0.25s ease !important;
}

.cloud-auth-modal {
  position: relative;
  width: min(420px, 100%);
  background: #111419;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 24px 22px 20px 22px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.75), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: modalFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  color: #e6edf3;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.98) translateY(6px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* Header */
.cloud-auth-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.cloud-auth-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cloud-auth-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(30, 41, 59, 0.5));
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: #38bdf8;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cloud-auth-brand-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cloud-auth-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cloud-auth-brand-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #ffffff;
}

.cloud-auth-title {
  margin: 0;
  font-size: 13px;
  font-weight: 500;
  color: #94a3b8;
}

.cloud-auth-subtitle {
  font-size: 11px;
  color: #64748b;
  letter-spacing: 0.3px;
}

/* Status Indicator */
.cloud-auth-badge-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #8b949e;
}

.cloud-auth-badge-status .status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #8b949e;
}

.cloud-auth-badge-status.status-online {
  background: rgba(34, 197, 94, 0.08);
  border-color: rgba(34, 197, 94, 0.25);
  color: #4ade80;
}
.cloud-auth-badge-status.status-online .status-dot {
  background: #22c55e;
  box-shadow: 0 0 6px rgba(34, 197, 94, 0.6);
}

.cloud-auth-badge-status.status-offline {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.25);
  color: #fbbf24;
}
.cloud-auth-badge-status.status-offline .status-dot {
  background: #f59e0b;
}

.cloud-auth-badge-status.status-locked {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #f87171;
}
.cloud-auth-badge-status.status-locked .status-dot {
  background: #ef4444;
  box-shadow: 0 0 6px rgba(239, 68, 68, 0.6);
}

/* Notice Card (Refined Hairline Banner) */
.cloud-auth-notice-card {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(56, 189, 248, 0.06);
  border: 1px solid rgba(56, 189, 248, 0.18);
  border-radius: 6px;
  font-size: 12px;
  color: #bae6fd;
}

.cloud-auth-notice-card .notice-indicator {
  width: 4px;
  height: 12px;
  border-radius: 2px;
  background: #38bdf8;
  flex-shrink: 0;
}

/* Form & Input */
.cloud-auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cloud-input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.cloud-input-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: #94a3b8;
  text-transform: uppercase;
}

.cloud-input {
  width: 100%;
  height: 40px;
  padding: 0 12px;
  background: #090c10;
  border: 1px solid #21262d;
  border-radius: 6px;
  color: #f0f6fc;
  font-size: 13.5px;
  font-family: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  letter-spacing: 0.8px;
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.cloud-input::placeholder {
  color: #484f58;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: normal;
  font-size: 12.5px;
}

.cloud-input:focus {
  border-color: #388bfd;
  box-shadow: 0 0 0 2px rgba(56, 139, 253, 0.2);
}

.cloud-auth-error-msg {
  font-size: 11.5px;
  color: #f87171;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 4px;
  padding: 6px 10px;
}

/* Actions Row */
.cloud-actions-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}

.cloud-btn-submit {
  width: 100%;
  height: 38px;
  background: #0284c7;
  color: #ffffff;
  border: 1px solid rgba(240, 246, 252, 0.1);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
}

.cloud-btn-submit:hover {
  background: #0369a1;
}

.cloud-btn-submit:active {
  transform: translateY(1px);
}

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

.btn-ghost-status {
  background: transparent;
  border: none;
  color: #8b949e;
  font-size: 11.5px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  align-self: center;
  transition: color 0.15s;
}

.btn-ghost-status:hover {
  color: #c9d1d9;
}

/* Contact Footer */
.cloud-auth-contact-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  font-size: 12px;
  color: #8b949e;
  margin-top: 4px;
}

.contact-info {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow: hidden;
}

.contact-icon {
  color: #8b949e;
  flex-shrink: 0;
}

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

.btn-copy-contact {
  background: #21262d;
  border: 1px solid #30363d;
  color: #c9d1d9;
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn-copy-contact:hover {
  background: #30363d;
  border-color: #8b949e;
  color: #ffffff;
}

/* Maintenance / Revoked View */
.cloud-auth-maintenance-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  padding: 16px 8px;
}

.maintenance-alert-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #f87171;
  margin-bottom: 2px;
}

.maintenance-title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: #f87171;
}

.maintenance-desc {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: #94a3b8;
}

.btn-switch-key {
  margin-top: 6px;
  background: #21262d;
  border: 1px solid #30363d;
  color: #c9d1d9;
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.btn-switch-key:hover {
  background: #30363d;
  color: #ffffff;
}

/* 顶栏微缩状态标签 */
.header-cloud-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 11px;
  font-weight: 600;
  color: #94a3b8;
  transition: all 0.2s;
}

.header-cloud-chip:hover {
  border-color: #38bdf8;
  color: #e2e8f0;
}

.header-cloud-chip .cloud-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.cloud-dot-online {
  background: #22c55e;
  box-shadow: 0 0 6px rgba(34, 197, 94, 0.7);
}

.cloud-dot-offline {
  background: #f59e0b;
}

/* 输入框抖动动画 */
@keyframes inputShake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.input-shake {
  animation: inputShake 0.35s ease-in-out;
  border-color: #ef4444 !important;
}

/* 一机一码硬件卡片样式 */
.cloud-device-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 14px;
  background: #0d1117;
  border: 1px solid #30363d;
  border-radius: 8px;
}

.device-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.device-label {
  font-size: 11.5px;
  font-weight: 600;
  color: #c9d1d9;
}

.device-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  color: #8b949e;
}

.device-badge.badge-success {
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #4ade80;
}

.device-badge.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.device-badge.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fbbf24;
}

.device-id-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: #161b22;
  border: 1px solid #21262d;
  border-radius: 6px;
  padding: 6px 10px;
}

.device-code {
  font-family: "JetBrains Mono", Consolas, Monaco, monospace;
  font-size: 13.5px;
  font-weight: 700;
  color: #38bdf8;
  letter-spacing: 0.05em;
  user-select: all;
}

.btn-copy-device {
  background: #007acc;
  color: #ffffff;
  border: none;
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, transform 0.1s;
}
.btn-copy-device:hover { background: #0098ff; }
.btn-copy-device:active { transform: translateY(1px); }

.device-hint {
  font-size: 11px;
  color: #8b949e;
  line-height: 1.45;
}

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

.cloud-btn-refresh-status {
  flex: 1;
  height: 42px;
  font-size: 12px;
}