/* ═══════════════════════════════════════════════════════════════════ */
/* ULAMORA PARTICLE STUDIO — ATOMIC FIELDS & SPH FLUID LAB STYLESHEET */
/* Obsidian Gold/Amber Cyber-Aesthetic, Precision Glass HUD, Matte Blades */
/* ═══════════════════════════════════════════════════════════════════ */

:root {
  --ptc-bg-void: #060609;
  --ptc-bg-blade: rgba(10, 13, 20, 0.94);
  --ptc-bg-card: rgba(18, 22, 34, 0.65);
  --ptc-bg-card-hover: rgba(26, 32, 48, 0.85);
  --ptc-border: rgba(255, 255, 255, 0.08);
  --ptc-border-subtle: rgba(255, 255, 255, 0.04);
  --ptc-border-focus: rgba(245, 158, 11, 0.45);

  --ptc-amber: #f59e0b;
  --ptc-amber-bright: #fbbf24;
  --ptc-cyan: #00e8ff;
  --ptc-emerald: #10b981;
  --ptc-rose: #f43f5e;
  --ptc-violet: #c084fc;

  --ptc-text-main: #f1f5f9;
  --ptc-text-muted: #94a3b8;
  --ptc-text-dim: #64748b;

  --ptc-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --ptc-font-sans: 'Inter', system-ui, sans-serif;
  --ptc-font-display: 'Space Grotesk', 'Inter', sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--ptc-bg-void);
  color: var(--ptc-text-main);
  font-family: var(--ptc-font-sans);
  -webkit-font-smoothing: antialiased;
}

/* Custom Sleek Scrollbars */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.16);
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(245, 158, 11, 0.6);
  border-color: rgba(245, 158, 11, 0.7);
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
}

/* ═══════════════════════════════════════════════════════════════════ */
/* 1. TOP HUD NAVBAR                                                   */
/* ═══════════════════════════════════════════════════════════════════ */
.top-hud-navbar {
  position: relative;
  z-index: 50;
  height: 56px;
  background: linear-gradient(180deg, rgba(16, 21, 33, 0.98) 0%, rgba(9, 12, 19, 0.98) 100%);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--ptc-border);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.12), 0 8px 32px rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
}

.hud-left-cluster {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--ptc-text-main);
  padding: 5px 8px;
  border-radius: 8px;
  transition: background-color 0.18s ease;
}
.brand-lockup:hover {
  background: rgba(255, 255, 255, 0.05);
}

.brand-img {
  width: 22px;
  height: 22px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.45));
}

.brand-title {
  font-family: var(--ptc-font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #ffffff;
}

.brand-divider {
  width: 1px;
  height: 14px;
  background-color: rgba(255, 255, 255, 0.2);
}

.brand-sub {
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ptc-amber-bright);
  font-weight: 600;
  background: rgba(245, 158, 11, 0.12);
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid rgba(245, 158, 11, 0.35);
}

/* Studio Tabs */
.hud-nav-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(0, 0, 0, 0.45);
  padding: 3px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.hud-nav-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--ptc-font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--ptc-text-muted);
  text-decoration: none;
  padding: 5px 11px;
  border-radius: 6px;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}
.hud-nav-tab:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}
.hud-nav-tab.active {
  color: #ffffff;
  background: rgba(245, 158, 11, 0.16);
  border: 1px solid rgba(245, 158, 11, 0.35);
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.2);
}

.tab-active-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ptc-amber-bright);
  box-shadow: 0 0 8px var(--ptc-amber-bright);
}

/* Right Toolbar */
.hud-toolbar-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hud-actions-toolbar {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(0, 0, 0, 0.4);
  padding: 3px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.hud-tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ptc-text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}
.hud-tool-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.1);
}
.hud-tool-btn.active {
  color: var(--ptc-amber-bright);
  background: rgba(245, 158, 11, 0.14);
  border-color: rgba(245, 158, 11, 0.4);
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.25);
}

.hud-divider {
  width: 1px;
  height: 18px;
  background: rgba(255, 255, 255, 0.12);
}

.hud-lang-inline {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--ptc-font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 0 4px;
}
.lang-inline-btn {
  background: none;
  border: none;
  color: var(--ptc-text-dim);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  transition: color 0.15s ease;
}
.lang-inline-btn.active {
  color: var(--ptc-amber-bright);
  font-weight: 700;
}
.lang-inline-sep {
  color: rgba(255, 255, 255, 0.2);
}

.hud-mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--ptc-amber-bright);
  border-radius: 8px;
  cursor: pointer;
}

/* ═══════════════════════════════════════════════════════════════════ */
/* 2. MAIN APPLICATION SHELL                                           */
/* ═══════════════════════════════════════════════════════════════════ */
.particle-app-shell {
  display: flex;
  height: calc(100vh - 56px);
  width: 100%;
  position: relative;
  overflow: hidden;
}

/* ═══════════════════════════════════════════════════════════════════ */
/* 3. LEFT BLADE: PARTICLE MODELS & SYSTEMS                            */
/* ═══════════════════════════════════════════════════════════════════ */
.particle-blade-left {
  width: 330px;
  min-width: 330px;
  max-width: 330px;
  background: var(--ptc-bg-blade);
  border-right: 1px solid var(--ptc-border);
  display: flex;
  flex-direction: column;
  z-index: 30;
  backdrop-filter: blur(20px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), width 0.25s ease;
}
.particle-blade-left.collapsed {
  transform: translateX(-100%);
  width: 0;
  min-width: 0;
  overflow: hidden;
}

.blade-header {
  height: 48px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--ptc-border);
  background: rgba(14, 18, 28, 0.85);
}

.blade-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.blade-header-icon-box {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245, 158, 11, 0.15);
  color: var(--ptc-amber-bright);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.blade-title-text {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #ffffff;
}

.archive-badge-pill {
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--ptc-text-muted);
}

.btn-sidebar-collapse {
  background: transparent;
  border: none;
  color: var(--ptc-text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease, background-color 0.15s ease;
}
.btn-sidebar-collapse:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

/* Category Filter Pills */
.domain-pills-row {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 12px;
  overflow-x: auto;
  border-bottom: 1px solid var(--ptc-border);
  background: rgba(10, 13, 20, 0.5);
}
.domain-pill-btn {
  font-family: var(--ptc-font-mono);
  font-size: 9.5px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 5px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  color: var(--ptc-text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.domain-pill-btn:hover {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}
.domain-pill-btn.active {
  background: rgba(245, 158, 11, 0.15);
  color: var(--ptc-amber-bright);
  border-color: rgba(245, 158, 11, 0.45);
}

/* Model Scroll List */
.particle-scroll-list {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.model-card {
  padding: 12px 14px;
  background: var(--ptc-bg-card);
  border: 1px solid var(--ptc-border);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.model-card:hover {
  background: var(--ptc-bg-card-hover);
  border-color: rgba(255, 255, 255, 0.16);
  transform: translateY(-1px);
}
.model-card.active {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.5);
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
.model-card.filtered-out {
  display: none !important;
}

.model-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.model-card-title {
  font-family: var(--ptc-font-display);
  font-size: 13px;
  font-weight: 700;
  color: #ffffff;
}
.model-card-tag {
  font-family: var(--ptc-font-mono);
  font-size: 9px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(245, 158, 11, 0.15);
  color: var(--ptc-amber-bright);
}
.model-card-desc {
  font-size: 11px;
  line-height: 1.45;
  color: var(--ptc-text-muted);
}
.model-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ptc-font-mono);
  font-size: 9.5px;
  color: var(--ptc-text-dim);
  margin-top: 2px;
}

/* ═══════════════════════════════════════════════════════════════════ */
/* 4. CENTER WORKSPACE & CANVAS                                        */
/* ═══════════════════════════════════════════════════════════════════ */
.workspace-center {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 50% 50%, #0d111c 0%, #05060a 100%);
}

#particle-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Floating HUD Triggers (Top) */
.viewport-top-hud {
  position: absolute;
  top: 10px;
  left: 12px;
  right: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  z-index: 25;
}

.viewport-hud-row-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  pointer-events: none;
}
.viewport-hud-row-top .btn-floating-trigger {
  pointer-events: auto;
}

.viewport-hud-row-center {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  pointer-events: none;
}
.viewport-hud-row-center .hud-cursor-modes {
  pointer-events: auto;
}

.btn-floating-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(14, 18, 28, 0.88);
  backdrop-filter: blur(16px);
  border: 1px solid var(--ptc-border);
  border-radius: 8px;
  color: #ffffff;
  font-family: var(--ptc-font-mono);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  transition: all 0.15s ease;
}
#btn-open-inspector {
  margin-left: auto;
}
.btn-floating-trigger:hover {
  background: rgba(22, 28, 42, 0.95);
  border-color: rgba(245, 158, 11, 0.5);
  color: var(--ptc-amber-bright);
}
.btn-floating-trigger.hidden {
  display: none !important;
}

/* On desktop (viewport > 1024px), automatically hide floating triggers if their blade is open */
@media (min-width: 1025px) {
  .blade-left:not(.collapsed) ~ .workspace-center #btn-open-models,
  .layout-3blade:has(#blade-left:not(.collapsed)) #btn-open-models {
    display: none !important;
  }
  .layout-3blade:has(#blade-right:not(.collapsed)) #btn-open-inspector {
    display: none !important;
  }
}

/* Cursor Mode Selector (Attract, Repel, Spawn, Vortex) */
.hud-cursor-modes {
  display: flex;
  align-items: center;
  gap: 3px;
  background: rgba(14, 18, 28, 0.88);
  backdrop-filter: blur(16px);
  padding: 3px;
  border-radius: 8px;
  border: 1px solid var(--ptc-border);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.cursor-mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  font-family: var(--ptc-font-mono);
  font-size: 10px;
  font-weight: 600;
  border-radius: 5px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ptc-text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.cursor-mode-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}
.cursor-mode-btn.active {
  color: var(--ptc-amber-bright);
  background: rgba(245, 158, 11, 0.16);
  border-color: rgba(245, 158, 11, 0.4);
}

/* ═══════════════════════════════════════════════════════════════════ */
/* 5. RIGHT BLADE: INSPECTOR & CONTROLS                                */
/* ═══════════════════════════════════════════════════════════════════ */
.particle-blade-right {
  width: 350px;
  min-width: 350px;
  max-width: 350px;
  background: var(--ptc-bg-blade);
  border-left: 1px solid var(--ptc-border);
  display: flex;
  flex-direction: column;
  z-index: 30;
  backdrop-filter: blur(20px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), width 0.25s ease;
}
.particle-blade-right.collapsed {
  transform: translateX(100%);
  width: 0;
  min-width: 0;
  overflow: hidden;
}

.inspector-scroll-area {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Telemetry Dashboard Mini Box */
.telemetry-mini-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.telemetry-unit {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.telemetry-unit-label {
  font-family: var(--ptc-font-mono);
  font-size: 9px;
  color: var(--ptc-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.telemetry-unit-val {
  font-family: var(--ptc-font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--ptc-amber-bright);
}

/* Parameter Sliders */
.param-group-box {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Scientific Toggles Grid */
.scientific-toggles-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sci-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: 5px 0;
  user-select: none;
}

.sci-toggle-label {
  font-family: var(--ptc-font-mono);
  font-size: 10px;
  color: #cbd5e1;
}

.sci-toggle-checkbox {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.sci-toggle-switch {
  position: relative;
  width: 32px;
  height: 17px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  transition: background 0.2s ease;
  flex-shrink: 0;
}

.sci-toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #ffffff;
  transition: transform 0.2s ease, background 0.2s ease;
}

.sci-toggle-checkbox:checked + .sci-toggle-switch {
  background: rgba(245, 158, 11, 0.85);
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.4);
}

.sci-toggle-checkbox:checked + .sci-toggle-switch::after {
  transform: translateX(15px);
  background: #ffffff;
}

.param-group-title {
  font-family: var(--ptc-font-mono);
  font-size: 10px;
  font-weight: 700;
  color: #cbd5e1;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.param-slider-row {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.param-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--ptc-font-mono);
  font-size: 10px;
  color: var(--ptc-text-muted);
}
.param-value-badge {
  color: var(--ptc-amber-bright);
  font-weight: 600;
}

.param-slider {
  width: 100%;
  -webkit-appearance: none;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.12);
  outline: none;
}
.param-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ptc-amber-bright);
  cursor: pointer;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.6);
  transition: transform 0.1s ease;
}
.param-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Math Formulation Card */
.math-formula-box {
  background: rgba(14, 18, 28, 0.7);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.math-formula-title {
  font-family: var(--ptc-font-mono);
  font-size: 9.5px;
  color: var(--ptc-amber);
  font-weight: 700;
  letter-spacing: 0.1em;
}
.math-formula-render {
  font-size: 13px;
  color: #f8fafc;
  overflow-x: auto;
  padding: 4px 0;
}

/* ═══════════════════════════════════════════════════════════════════ */
/* 6. BOTTOM TELEMETRY DOCK / BENCHMARK                                */
/* ═══════════════════════════════════════════════════════════════════ */
.viewport-bottom-dock {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: max-content;
  max-width: calc(100% - 24px);
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  white-space: nowrap;
  gap: 12px;
  background: rgba(12, 16, 26, 0.92);
  backdrop-filter: blur(20px);
  border: 1px solid var(--ptc-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
  border-radius: 10px;
  padding: 7px 16px;
  z-index: 20;
}

.dock-stat-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--ptc-font-mono);
  font-size: 11px;
  white-space: nowrap;
  flex-shrink: 0;
}
.dock-stat-label {
  color: var(--ptc-text-dim);
  white-space: nowrap;
}
.dock-stat-val {
  color: #ffffff;
  font-weight: 700;
  white-space: nowrap;
}
.dock-stat-sep {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.12);
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════════ */
/* 7. MOBILE RESPONSIVE DRAWER & BREAKPOINTS                           */
/* ═══════════════════════════════════════════════════════════════════ */
.mobile-nav-drawer {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
}
.mobile-nav-drawer.open {
  display: block;
}
.mobile-drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeInBackdrop 0.2s ease both;
}
@keyframes fadeInBackdrop {
  from { opacity: 0; }
  to { opacity: 1; }
}

.mobile-drawer-sheet {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(90vw, 380px);
  background: linear-gradient(180deg, #0d121c 0%, #080b12 100%);
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-direction: column;
  box-shadow: -15px 0 50px rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  overflow-y: auto;
  z-index: 10;
  animation: slideDrawerRight 0.28s cubic-bezier(0.16, 1, 0.3, 1) both;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

@keyframes slideDrawerRight {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

/* Drawer Header */
.drawer-header {
  height: 56px;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  background: #0e121b;
  user-select: none;
}

.drawer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.drawer-brand-img {
  width: 22px;
  height: 22px;
  object-fit: contain;
}

.drawer-brand-text {
  font-family: var(--ptc-font-display);
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: 0.18em;
  color: #ffffff;
}

.drawer-brand-badge {
  font-family: var(--ptc-font-mono);
  font-size: 9.5px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: #fbbf24;
  letter-spacing: 0.08em;
}

.drawer-close-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
  border-radius: 8px;
  padding: 6px 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.18s ease;
}
.drawer-close-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

/* Drawer Body */
.drawer-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  flex: 1;
}

.drawer-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.drawer-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--ptc-font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.45);
  text-transform: uppercase;
  margin-bottom: 2px;
}

.section-tag {
  font-size: 9px;
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.12);
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 600;
}

/* Hero Mini Telemetry Box */
.drawer-telemetry-box {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 10px 8px;
}

.drawer-stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.drawer-stat-label {
  font-family: var(--ptc-font-mono);
  font-size: 8.5px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.drawer-stat-val {
  font-family: var(--ptc-font-mono);
  font-size: 11.5px;
  font-weight: 700;
}
.drawer-stat-val.text-emerald { color: #10b981; }
.drawer-stat-val.text-cyan { color: #00e8ff; }
.drawer-stat-val.text-amber { color: #fbbf24; }

/* Preset Model Pills List */
.drawer-pills-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.drawer-pill-item {
  width: 100%;
  display: flex;
  align-items: center;
  padding: 10px 12px;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-family: var(--ptc-font-mono);
  font-size: 11px;
  font-weight: 500;
  color: #cbd5e1;
  cursor: pointer;
  text-align: left;
  transition: all 0.18s ease;
  user-select: none;
}

.drawer-pill-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

.drawer-pill-item.active {
  background: rgba(245, 158, 11, 0.09);
  border-color: rgba(245, 158, 11, 0.35);
  color: #fbbf24;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 2px 10px rgba(245, 158, 11, 0.12);
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-right: 9px;
  flex-shrink: 0;
}
.pill-dot.bg-amber { background: #fbbf24; box-shadow: 0 0 6px #fbbf24; }
.pill-dot.bg-cyan { background: #00e8ff; box-shadow: 0 0 6px #00e8ff; }
.pill-dot.bg-orange { background: #f97316; box-shadow: 0 0 6px #f97316; }
.pill-dot.bg-emerald { background: #10b981; box-shadow: 0 0 6px #10b981; }

.pill-name {
  flex: 1;
}

.pill-tag {
  font-size: 9px;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.5);
  margin-left: 8px;
  letter-spacing: 0.05em;
}

.pill-check {
  font-size: 11px;
  font-weight: 700;
  color: #fbbf24;
  margin-left: 8px;
  width: 14px;
  text-align: right;
}

/* Cursor Mode Segmented Grid */
.drawer-cursor-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 9px;
  padding: 4px;
}

.drawer-cursor-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 7px 4px;
  font-family: var(--ptc-font-mono);
  font-size: 9px;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ptc-text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}
.drawer-cursor-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}
.drawer-cursor-btn.active {
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.16);
  border-color: rgba(245, 158, 11, 0.4);
}

/* Workspace Panels & Navigation Grid */
.drawer-panels-grid {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.drawer-panel-box {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  cursor: pointer;
  text-decoration: none;
  text-align: left;
  transition: all 0.18s ease;
}

.drawer-panel-box:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateX(2px);
}

.panel-box-left {
  display: flex;
  align-items: center;
  gap: 11px;
}

.panel-box-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.panel-box-icon.amber-box { background: rgba(245, 158, 11, 0.14); border: 1px solid rgba(245, 158, 11, 0.28); color: #fbbf24; }
.panel-box-icon.cyan-box { background: rgba(0, 232, 255, 0.12); border: 1px solid rgba(0, 232, 255, 0.25); color: #00e8ff; }
.panel-box-icon.emerald-box { background: rgba(16, 185, 129, 0.14); border: 1px solid rgba(16, 185, 129, 0.28); color: #10b981; }
.panel-box-icon.purple-box { background: rgba(168, 85, 247, 0.14); border: 1px solid rgba(168, 85, 247, 0.28); color: #d8b4fe; }
.panel-box-icon.indigo-box { background: rgba(99, 102, 241, 0.14); border: 1px solid rgba(99, 102, 241, 0.28); color: #818cf8; }
.panel-box-icon.slate-box { background: rgba(148, 163, 184, 0.1); border: 1px solid rgba(148, 163, 184, 0.2); color: #cbd5e1; }

.panel-box-info {
  display: flex;
  flex-direction: column;
}

.panel-box-title {
  font-family: var(--ptc-font-mono);
  font-size: 11.5px;
  font-weight: 600;
  color: #f1f5f9;
}

.panel-box-desc {
  font-family: var(--ptc-font-mono);
  font-size: 9.5px;
  color: rgba(255, 255, 255, 0.45);
}

.drawer-arrow {
  font-family: var(--ptc-font-mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  transition: transform 0.2s ease, color 0.2s ease;
}

.drawer-panel-box:hover .drawer-arrow {
  color: #fbbf24;
  transform: translateX(2px);
}

/* Drawer Footer */
.drawer-footer-section {
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: auto;
}

.drawer-footer-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.drawer-lang-switcher {
  display: flex;
  gap: 8px;
}

.drawer-lang-switcher button {
  flex: 1;
  padding: 7px 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  font-family: var(--ptc-font-mono);
  font-size: 11px;
  font-weight: 600;
  color: #94a3b8;
  cursor: pointer;
  transition: all 0.18s ease;
}

.drawer-lang-switcher button:hover {
  background: rgba(255, 255, 255, 0.07);
  color: #ffffff;
}

.drawer-lang-switcher button.active {
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.4);
  color: #fbbf24;
}

.drawer-core-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ptc-font-mono);
  font-size: 9.5px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.55);
}

/* Mobile Blade Backdrop */
.mobile-panel-backdrop {
  display: none;
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 40;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.mobile-panel-backdrop.active {
  display: block;
  opacity: 1;
}

@media (max-width: 1024px) {
  .hud-nav-tabs {
    display: none !important;
  }
  .hud-mobile-menu-btn {
    display: inline-flex !important;
  }
  .particle-blade-left {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 320px;
    max-width: 86vw;
    z-index: 50;
    box-shadow: 10px 0 40px rgba(0, 0, 0, 0.85);
    transform: translateX(-100%);
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .particle-blade-left.open-mobile {
    transform: translateX(0) !important;
  }
  .particle-blade-right {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 330px;
    max-width: 86vw;
    z-index: 50;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.85);
    transform: translateX(100%);
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .particle-blade-right.open-mobile {
    transform: translateX(0) !important;
  }
}

@media (max-width: 768px) {
  .top-hud-navbar {
    padding: 0 10px;
    height: 52px;
  }
  .hud-left-cluster {
    gap: 8px;
  }
  .brand-lockup {
    padding: 4px 6px;
    gap: 6px;
  }
  .brand-title {
    font-size: 12px;
    letter-spacing: 0.1em;
  }
  .brand-sub {
    font-size: 9px;
    padding: 2px 5px;
  }
  .hud-actions-toolbar {
    padding: 2px;
    gap: 2px;
  }
  .hud-tool-btn {
    width: 30px;
    height: 30px;
  }
  .hud-divider {
    margin: 0 2px;
  }
  .viewport-top-hud {
    top: 8px;
    left: 8px;
    right: 8px;
    gap: 6px;
  }
  .btn-floating-trigger {
    padding: 5px 10px;
    font-size: 10.5px;
  }
  .cursor-mode-btn {
    padding: 4px 8px;
    font-size: 9.5px;
  }
}

@media (max-width: 520px) {
  .brand-divider,
  .brand-sub {
    display: none !important;
  }
  .hud-lang-inline {
    display: none !important;
  }
  .hud-divider {
    display: none !important;
  }
  .top-hud-navbar {
    padding: 0 8px;
  }
  .hud-actions-toolbar {
    background: transparent;
    border: none;
    padding: 0;
  }
  .hud-tool-btn {
    width: 28px;
    height: 28px;
  }
  .cursor-mode-btn {
    padding: 4px 6px;
    font-size: 9px;
    gap: 3px;
  }
  .viewport-bottom-dock {
    width: calc(100% - 16px);
    left: 8px;
    right: 8px;
    transform: none;
    padding: 5px 8px;
    justify-content: space-around;
    gap: 6px;
    font-size: 10px;
  }
  .dock-stat-sep:nth-child(n+4) {
    display: none !important;
  }
  .dock-stat-item:nth-child(n+5) {
    display: none !important;
  }
}

/* Color & Badge Utility Classes */
.tag-sky {
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.15);
}
.tag-amber {
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.15);
}
.tag-emerald {
  color: #10b981;
  background: rgba(16, 185, 129, 0.15);
}
.dock-stat-val.stat-amber {
  color: #fbbf24;
}
.telemetry-unit-val.val-sky {
  color: #38bdf8;
}
.telemetry-unit-val.val-emerald {
  color: #10b981;
}
.badge-tag-amber {
  font-size: 9px;
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.15);
  padding: 2px 6px;
  border-radius: 4px;
}
.panel-box-icon.cyan-box {
  background: rgba(0, 232, 255, 0.14);
  color: #00e8ff;
}

/* Unit Regime Banner & Overlay Presets Bar (V1 Audit) */
.unit-regime-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 6px 10px;
  margin-bottom: 10px;
  border-radius: 7px;
  background: rgba(245, 158, 11, 0.07);
  border: 1px solid rgba(245, 158, 11, 0.22);
  font-family: var(--ptc-font-mono);
  font-size: 9.5px;
  line-height: 1.35;
}

.unit-regime-tag {
  font-weight: 700;
  color: #fbbf24;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.unit-regime-meta {
  color: rgba(226, 232, 240, 0.78);
  text-align: right;
  font-size: 9px;
}

.overlay-presets-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 10px;
  padding: 4px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 8px;
}

.overlay-preset-btn {
  flex: 1 1 auto;
  padding: 5px 6px;
  border-radius: 5px;
  border: 1px solid transparent;
  background: transparent;
  color: rgba(203, 213, 225, 0.78);
  font-family: var(--ptc-font-mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: all 0.16s ease;
  text-align: center;
  white-space: nowrap;
}

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

.overlay-preset-btn.active {
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.16);
  border-color: rgba(245, 158, 11, 0.38);
}

.sci-toggle-row.model-inactive {
  opacity: 0.38;
}