/* Studio 2.0 Stylesheet — Dry Machina Universal CAM Studio */
:root {
  --bg-app: #0d1117;
  --bg-panel: #161b22;
  --bg-panel-header: #1c2128;
  --bg-hover: #21262d;
  --bg-active: #30363d;
  --border: #30363d;
  --border-light: #484f58;
  --fg: #c9d1d9;
  --fg-bright: #f0f6fc;
  --fg-muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --accent-glow: rgba(88, 166, 255, 0.15);
  --success: #3fb950;
  --warning: #d29922;
  --danger: #f85149;
  --purple: #bc8cff;
  --orange: #f0883e;
  --header-height: 52px;
  --bottom-bar-height: 48px;
}

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

body {
  background: var(--bg-app);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
  user-select: none;
}

/* ---- Top Header ---- */
.studio-header {
  height: var(--header-height);
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 100;
  flex-shrink: 0;
}

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

.brand-logo {
  font-size: 16px;
  font-weight: 700;
  color: var(--fg-bright);
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.brand-logo span.core-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
}

.badge-version {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 10px;
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(88, 166, 255, 0.3);
}

.machine-select-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-app);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
}

.machine-select-wrapper label {
  font-size: 11px;
  color: var(--fg-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.machine-select {
  background: transparent;
  border: none;
  color: var(--fg-bright);
  font-size: 12.5px;
  font-weight: 500;
  outline: none;
  cursor: pointer;
}

.process-tabs {
  display: flex;
  gap: 2px;
  background: var(--bg-app);
  padding: 3px;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.process-tab {
  background: transparent;
  border: none;
  color: var(--fg-muted);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.process-tab.active {
  background: var(--bg-panel);
  color: var(--fg-bright);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

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

.btn-action {
  background: var(--bg-hover);
  border: 1px solid var(--border);
  color: var(--fg-bright);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn-action:hover {
  background: var(--bg-active);
  border-color: var(--border-light);
}

.btn-action.primary {
  background: var(--accent);
  color: #0d1117;
  border-color: var(--accent);
}

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

/* ---- Main 3-Column Workspace ---- */
.studio-main {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

.sidebar-left, .sidebar-right {
  width: 340px;
  background: var(--bg-panel);
  border-color: var(--border);
  display: flex;
  flex-direction: column;
  z-index: 10;
  flex-shrink: 0;
}

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

.sidebar-right {
  width: 400px;
  border-left: 1px solid var(--border);
}

.panel-header {
  height: 40px;
  background: var(--bg-panel-header);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-bright);
}

.panel-tabs, .left-tabs {
  display: flex;
  height: 100%;
}

.panel-tab-btn, .left-tab-btn {
  background: transparent;
  border: none;
  color: var(--fg-muted);
  font-size: 12px;
  font-weight: 600;
  padding: 0 14px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s ease;
}

.panel-tab-btn.active, .left-tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.panel-content {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
}

/* ---- Filter Pills & Search ---- */
.gallery-search-input {
  width: 100%;
  background: var(--bg-app);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 10px;
  font-size: 12px;
  color: var(--fg-bright);
  margin-bottom: 10px;
  outline: none;
}

.gallery-search-input:focus {
  border-color: var(--accent);
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 12px;
}

.filter-pill {
  background: var(--bg-app);
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font-size: 10.5px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-pill:hover {
  background: var(--bg-hover);
  color: var(--fg);
}

.filter-pill.active {
  background: var(--accent-glow);
  color: var(--accent);
  border-color: rgba(88, 166, 255, 0.4);
}

/* ---- Category Accordions ---- */
.category-group {
  margin-bottom: 16px;
}

.category-header {
  font-size: 11px;
  font-weight: 700;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  padding: 0 4px;
}

.category-count {
  background: var(--bg-active);
  color: var(--fg-bright);
  padding: 1px 6px;
  border-radius: 10px;
  font-size: 10px;
}

.category-items {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.gallery-card {
  background: var(--bg-app);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.gallery-card:hover {
  border-color: var(--border-light);
  background: var(--bg-hover);
}

.gallery-card.active {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.gallery-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-bright);
  margin-bottom: 3px;
}

.gallery-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.tag-badge {
  font-size: 9.5px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--fg-muted);
  padding: 1px 5px;
  border-radius: 3px;
}

/* ---- Parametric Sliders & Form Controls ---- */
.param-row {
  background: var(--bg-app);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  margin-bottom: 8px;
}

.param-label-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.param-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--fg-bright);
}

.param-val-badge {
  font-size: 11px;
  font-family: ui-monospace, monospace;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 1px 6px;
  border-radius: 4px;
}

.param-input-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.param-slider {
  flex: 1;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  accent-color: var(--accent);
}

.param-num-input {
  width: 60px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--fg-bright);
  font-size: 11.5px;
  font-family: ui-monospace, monospace;
  padding: 3px 6px;
  text-align: right;
  outline: none;
}

.param-num-input:focus {
  border-color: var(--accent);
}

/* ---- Viewport 3D ---- */
.viewport-center {
  flex: 1;
  position: relative;
  background: #090d13;
  overflow: hidden;
}

#viewport3d {
  width: 100%;
  height: 100%;
  display: block;
}

.viewport-overlay-tools {
  position: absolute;
  top: 14px;
  left: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 20;
}

.view-btn {
  background: rgba(22, 27, 34, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}

.view-btn:hover, .view-btn.active {
  background: var(--bg-active);
  color: var(--accent);
}

.color-mode-tools {
  position: absolute;
  top: 14px;
  left: 80px;
  display: flex;
  gap: 4px;
  z-index: 20;
  background: rgba(22, 27, 34, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px;
}

.color-mode-btn {
  background: transparent;
  border: none;
  color: var(--fg-muted);
  font-size: 10.5px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
}

.color-mode-btn.active {
  background: var(--bg-active);
  color: var(--fg-bright);
}

.engine-status-tag {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(22, 27, 34, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--success);
}

.status-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
}

/* ---- Bottom Timeline Playback Bar ---- */
.studio-playback {
  height: var(--bottom-bar-height);
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 14px;
  z-index: 100;
  flex-shrink: 0;
}

.playback-play-btn {
  background: var(--accent);
  border: none;
  color: #0d1117;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  cursor: pointer;
  flex-shrink: 0;
}

.timeline-slider-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
}

.timeline-slider {
  flex: 1;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  accent-color: var(--accent);
}

.timeline-label {
  font-size: 11px;
  font-family: ui-monospace, monospace;
  color: var(--fg-muted);
  width: 80px;
  text-align: right;
}

.speed-selector {
  display: flex;
  gap: 2px;
  background: var(--bg-app);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px;
}

.speed-btn {
  background: transparent;
  border: none;
  color: var(--fg-muted);
  font-size: 10.5px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 3px;
  cursor: pointer;
}

.speed-btn.active {
  background: var(--bg-active);
  color: var(--fg-bright);
}

/* ---- G-Code Explainer Card & Inspector ---- */
.gcode-explainer-card {
  background: var(--bg-app);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 10px 12px;
  margin-bottom: 12px;
}

.exp-header {
  font-size: 12px;
  color: var(--fg-bright);
  font-weight: 600;
  margin-bottom: 6px;
}

.exp-cmd {
  color: var(--accent);
  font-family: ui-monospace, monospace;
}

.exp-table {
  width: 100%;
  font-size: 11px;
  border-collapse: collapse;
}

.exp-table td {
  padding: 2px 4px;
}

.exp-k {
  font-family: ui-monospace, monospace;
  color: var(--accent-hover);
  width: 40px;
}

.exp-desc {
  color: var(--fg-muted);
}

.exp-desc b {
  color: var(--fg-bright);
}

.gcode-viewer-table {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11.5px;
  background: var(--bg-app);
  border: 1px solid var(--border);
  border-radius: 6px;
  height: calc(100% - 130px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.gcode-row {
  display: flex;
  align-items: center;
  padding: 3px 8px;
  border-bottom: 1px solid rgba(48, 54, 61, 0.4);
  cursor: pointer;
  transition: background 0.1s ease;
}

.gcode-row:hover {
  background: var(--bg-hover);
}

.gcode-row.active {
  background: var(--accent-glow);
  border-left: 3px solid var(--accent);
}

.gcode-lineno {
  width: 40px;
  color: var(--fg-muted);
  text-align: right;
  margin-right: 12px;
  font-size: 10.5px;
  user-select: none;
}

.gcode-cmd {
  font-weight: 700;
  margin-right: 8px;
  width: 32px;
}

.cmd-g0 { color: var(--fg-muted); }
.cmd-g1 { color: var(--accent); }
.cmd-arc { color: var(--success); }
.cmd-other { color: var(--purple); }

.gcode-args {
  color: var(--fg);
}

/* ---- Stat & Check Cards ---- */
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
}

.stat-box {
  background: var(--bg-app);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
}

.stat-box .title {
  font-size: 10.5px;
  color: var(--fg-muted);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 4px;
}

.stat-box .val {
  font-size: 16px;
  font-weight: 700;
  color: var(--fg-bright);
  font-family: ui-monospace, monospace;
}

.stat-box .unit {
  font-size: 11px;
  color: var(--fg-muted);
  font-weight: 400;
  margin-left: 2px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border-radius: 4px;
  background: var(--bg-app);
  border: 1px solid var(--border);
  margin-bottom: 6px;
  font-size: 12px;
}

.check-icon {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 700;
}

.check-icon.pass {
  background: var(--success);
  color: #0d1117;
}

.check-icon.warn {
  background: var(--warning);
  color: #0d1117;
}