/* =============================================
   Dynamic Space Planner — Professional Light UI
   ============================================= */

:root {
  --brand:       #2563eb;
  --brand-light: #3b82f6;
  --brand-glow:  rgba(37,99,235,0.10);
  --teal:        #0d9488;
  --teal-light:  #14b8a6;
  --danger:      #dc2626;
  --warning:     #d97706;
  --success:     #16a34a;

  --bg-app:    #f4f6f9;
  --bg-panel:  #ffffff;
  --bg-card:   #f8fafc;
  --bg-hover:  #eef2ff;
  --bg-input:  #ffffff;

  --border:     rgba(0,0,0,0.08);
  --border-mid: rgba(0,0,0,0.14);
  --border-acc: rgba(37,99,235,0.35);

  --text-primary:   #0f172a;
  --text-secondary: #475569;
  --text-muted:     #94a3b8;

  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 4px rgba(0,0,0,0.08);
  --shadow:    0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);

  --transition: all 0.18s ease;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; }

body {
  background: var(--bg-app);
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text-primary);
  direction: rtl;
  overflow-x: hidden;
}

/* ── Topbar ── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 150;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-mid);
  padding: 0 20px;
  height: 52px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-sm);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.topbar-brand .fas { color: var(--brand); }

.topbar-sub {
  font-size: 0.73rem;
  color: var(--text-muted);
  margin: 0;
  flex: 1;
}



/* ── Icon Buttons ── */
.btn-icon {
  width: 34px;
  height: 34px;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.82rem;
  transition: var(--transition);
}
.btn-icon:hover {
  background: var(--bg-hover);
  border-color: var(--border-acc);
  color: var(--brand);
}
.btn-icon-sm { width: 28px; height: 28px; font-size: 0.72rem; }

/* ── Floating Control Panel ── */
/* position:absolute so it works inside the fullscreen #viewer-wrapper */
.floating-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 340px;
  height: 100%;
  max-height: 100%;
  background: var(--bg-panel);
  border-left: 1px solid var(--border-mid);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateX(100%);
  transition: transform 0.28s cubic-bezier(0.4,0,0.2,1);
}

body.panel-open .floating-panel { transform: translateX(0); }

.floating-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  flex-shrink: 0;
}

.floating-panel-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 7px;
}

.floating-panel .tab-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

/* ── App Body ── */
#app-body {
  display: flex;
  flex-direction: column;
  padding: 14px 18px 20px;
  min-height: calc(100vh - 52px);
}

/* ── Stats Row ── */
.stats-row {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.stats-row .stats-card { flex: 1 1 120px; margin-bottom: 0; }

/* ── Stats Cards ── */
.stats-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 12px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.stats-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--teal));
}
.stats-card:hover {
  border-color: var(--border-mid);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.stats-number {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 3px;
  color: var(--brand);
  letter-spacing: -0.02em;
}
.stats-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

/* ── Viewer Wrapper (fullscreen target) ── */
#viewer-wrapper {
  position: relative; /* contain the absolutely-positioned floating panel */
  background: var(--bg-panel);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 480px;
}
#viewer-wrapper:fullscreen,
#viewer-wrapper:-webkit-full-screen {
  border-radius: 0;
  border: none;
}

/* ── Viewer Header ── */
#viewer-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
#viewer-header h5 {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
#viewer-wrapper:fullscreen #viewer-header,
#viewer-wrapper:-webkit-full-screen #viewer-header {
  background: rgba(13,17,23,0.92);
  border-bottom-color: rgba(255,255,255,0.10);
}
#viewer-wrapper:fullscreen #viewer-header h5,
#viewer-wrapper:fullscreen .select-hint span,
#viewer-wrapper:fullscreen .editor-hint,
#viewer-wrapper:-webkit-full-screen #viewer-header h5,
#viewer-wrapper:-webkit-full-screen .select-hint span,
#viewer-wrapper:-webkit-full-screen .editor-hint {
  color: rgba(255,255,255,0.75);
}

/* ── 3D Container ── */
#threejs-container {
  width: 100%;
  flex: 1;
  height: 0;
  min-height: 420px;
  background: #0d1117;
  position: relative;
  overflow: hidden;
  border: none;
  border-radius: 0;
}

#threejs-container canvas { display: block; border-radius: 0; }

.loading-spinner {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
}

/* ── Control Panel (inside floating panel) ── */
.control-panel {
  background: var(--bg-panel);
  border: none;
  border-radius: 0;
  overflow: hidden;
  flex: 1;
  box-shadow: none;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.control-panel-inner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-top: 10px;
}

/* ── Tabs ── */
.nav-tabs {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-mid);
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0 8px;
  gap: 2px;
  flex-shrink: 0;
}
.nav-tabs::-webkit-scrollbar { display: none; }

.nav-tabs .nav-link {
  color: var(--text-muted);
  border: none;
  border-bottom: 2px solid transparent;
  padding: 9px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  border-radius: 0;
  background: transparent;
  transition: var(--transition);
}
.nav-tabs .nav-link:hover {
  color: var(--text-secondary);
  background: var(--bg-hover);
}
.nav-tabs .nav-link.active {
  color: var(--brand);
  border-bottom-color: var(--brand);
  background: transparent;
}

/* Tab Content Scroll */
.tab-content {
  max-height: calc(100vh - 160px);
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--border-acc) transparent;
}
.tab-content::-webkit-scrollbar { width: 3px; }
.tab-content::-webkit-scrollbar-thumb { background: var(--border-acc); border-radius: 3px; }
.tab-content::-webkit-scrollbar-track { background: transparent; }

/* ── Form Section ── */
.form-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 13px;
  margin-bottom: 10px;
  transition: border-color 0.2s;
}
.form-section:hover { border-color: var(--border-mid); }

.form-section h5 {
  color: var(--text-secondary);
  margin-bottom: 11px;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 7px;
}
.form-section h5 .fas { color: var(--brand); font-size: 0.78rem; }

/* ── Inputs ── */
.form-control,
.form-select {
  background: var(--bg-input) !important;
  border: 1px solid var(--border-mid) !important;
  color: var(--text-primary) !important;
  border-radius: var(--radius-sm) !important;
  font-size: 0.82rem;
  transition: var(--transition);
}
.form-control:focus,
.form-select:focus {
  border-color: var(--brand) !important;
  box-shadow: 0 0 0 3px var(--brand-glow) !important;
  background: var(--bg-input) !important;
}
.form-control::placeholder { color: var(--text-muted) !important; }

.input-group-text {
  background: var(--bg-card) !important;
  border: 1px solid var(--border-mid) !important;
  color: var(--text-secondary) !important;
  font-size: 0.78rem;
}

.form-label.small, label.form-label {
  color: var(--text-secondary);
  font-size: 0.75rem;
  margin-bottom: 4px;
}

.form-range { accent-color: var(--brand); }

.form-check-input {
  background-color: var(--bg-input) !important;
  border-color: var(--border-mid) !important;
}
.form-check-input:checked {
  background-color: var(--brand) !important;
  border-color: var(--brand) !important;
}
.form-check-label { color: var(--text-secondary) !important; font-size: 0.8rem; }

.form-control-color {
  height: 34px !important;
  padding: 2px !important;
  cursor: pointer;
}

/* ── Buttons ── */
.btn-custom {
  background: var(--brand);
  border: 1px solid var(--brand);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  letter-spacing: 0.01em;
}
.btn-custom:hover {
  background: var(--brand-light);
  border-color: var(--brand-light);
  box-shadow: 0 0 0 3px var(--brand-glow);
}

.btn-success-custom {
  background: var(--success);
  border: 1px solid var(--success);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.btn-success-custom:hover { filter: brightness(1.1); }

.btn-danger-custom {
  background: var(--danger);
  border: 1px solid var(--danger);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.btn-danger-custom:hover { filter: brightness(1.1); }

/* Bootstrap outline overrides for light theme */
.btn-outline-primary   { color: var(--brand) !important; border-color: var(--brand) !important; }
.btn-outline-primary:hover { background: var(--brand) !important; color: #fff !important; }
.btn-outline-secondary { color: var(--text-secondary) !important; border-color: var(--border-mid) !important; }
.btn-outline-secondary:hover { background: var(--bg-hover) !important; color: var(--text-primary) !important; }
.btn-outline-success   { color: var(--success) !important; border-color: var(--success) !important; }
.btn-outline-success:hover { background: var(--success) !important; color: #fff !important; }
.btn-outline-warning   { color: var(--warning) !important; border-color: var(--warning) !important; }
.btn-outline-warning:hover { background: var(--warning) !important; color: #fff !important; }
.btn-outline-danger    { color: var(--danger) !important; border-color: var(--danger) !important; }
.btn-outline-danger:hover  { background: var(--danger) !important; color: #fff !important; }
.btn-outline-info      { color: var(--teal) !important; border-color: var(--teal) !important; }
.btn-outline-info:hover    { background: var(--teal) !important; color: #fff !important; }
.btn-outline-dark      { color: var(--text-secondary) !important; border-color: var(--border-mid) !important; }
.btn-outline-dark:hover    { background: var(--bg-hover) !important; color: var(--text-primary) !important; }

.btn:disabled, .btn-outline-secondary:disabled {
  opacity: 0.4 !important;
  cursor: not-allowed;
}

/* ── Draw Mode Buttons ── */
#draw-mode-group {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
#draw-mode-group .btn {
  font-size: 0.72rem;
  padding: 5px 9px;
  border-radius: var(--radius-sm) !important;
  flex: 1 1 auto;
  min-width: fit-content;
}
#draw-mode-group .btn.active {
  background: var(--brand) !important;
  border-color: var(--brand) !important;
  color: #fff !important;
  font-weight: 700;
  box-shadow: 0 0 0 2px var(--brand-glow);
}

/* ── Position Indicator ── */
.position-indicator {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(13,17,23,0.85);
  border: 1px solid rgba(255,255,255,0.15);
  color: #5eead4;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  z-index: 20;
  letter-spacing: 0.05em;
}

/* ── Select Hint ── */
.select-hint {
  position: static;
  transform: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.72rem;
  pointer-events: none;
  white-space: nowrap;
}
.editor-hint { z-index: 20; }

/* ── Edit Toolbar ── */
.edit-toolbar {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  align-items: center;
  gap: 3px;
  background: rgba(13,17,23,0.88);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 5px 8px;
  z-index: 30;
}

.btn-tb {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.5);
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem;
  cursor: pointer;
  transition: var(--transition);
}
.btn-tb:hover:not(:disabled) {
  background: rgba(37,99,235,0.2);
  border-color: rgba(37,99,235,0.4);
  color: #93c5fd;
}
.btn-tb:disabled { opacity: 0.25; cursor: not-allowed; }

.tb-sep {
  width: 1px; height: 18px;
  background: rgba(255,255,255,0.12);
  margin: 0 3px;
}

/* ── Camera Preset Buttons ── */
.camera-presets { gap: 4px !important; }

.btn-cam {
  width: 26px; height: 26px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-mid);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.65rem;
  display: inline-flex; align-items: center; justify-content: center;
  transition: var(--transition);
  padding: 0;
}
.btn-cam:hover {
  background: var(--bg-hover);
  border-color: var(--border-acc);
  color: var(--brand);
}

/* ── Transform Panel (dark overlay — lives inside 3D canvas) ── */
.transform-panel {
  position: absolute;
  bottom: 14px;
  right: 14px;
  width: 295px;
  background: rgba(13,17,23,0.96);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 14px;
  z-index: 50;
  color: #f0f4ff;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  font-size: 0.8rem;
}

.tp-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  padding-bottom: 9px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}

.btn-tp-close {
  background: none; border: none;
  color: rgba(255,255,255,0.4);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  transition: color 0.15s;
}
.btn-tp-close:hover { color: #fff; }

.tp-section {
  margin-bottom: 9px;
  padding-bottom: 9px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.tp-label {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.4);
  margin-bottom: 6px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
}

.tp-row {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 5px;
}

.tp-axis { font-weight: 700; font-size: 0.72rem; width: 14px; text-align: center; flex-shrink: 0; }
.tp-axis.x { color: #f87171; }
.tp-axis.y { color: #4ade80; }
.tp-axis.z { color: #60a5fa; }

.tp-input {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  color: #f0f4ff;
  padding: 4px 6px;
  font-size: 0.78rem;
  width: 0; flex: 1;
  text-align: center;
  transition: border-color 0.15s;
}
.tp-input:focus {
  outline: none;
  border-color: var(--brand-light);
  background: rgba(37,99,235,0.15);
}

.tp-nudge-grid { display: flex; flex-direction: column; gap: 4px; margin-top: 4px; }
.tp-nudge-row { display: flex; gap: 4px; justify-content: center; }

.btn-nudge {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.65);
  padding: 4px 8px;
  font-size: 0.7rem;
  cursor: pointer;
  transition: var(--transition);
  flex: 1;
  white-space: nowrap;
}
.btn-nudge:hover {
  background: rgba(37,99,235,0.2);
  border-color: rgba(37,99,235,0.4);
  color: #93c5fd;
}
.btn-nudge-accent {
  background: rgba(220,38,38,0.15);
  border-color: rgba(220,38,38,0.35);
  color: #f87171;
  font-weight: 700;
}
.btn-nudge-accent:hover { background: rgba(220,38,38,0.3); color: #fff; }

.tp-actions { display: flex; gap: 5px; margin-top: 10px; }
.btn-tp { flex: 1; border: none; border-radius: var(--radius-sm); padding: 7px 4px; font-size: 0.73rem; font-weight: 600; cursor: pointer; transition: var(--transition); }
.btn-tp-primary  { background: var(--brand); color: #fff; }
.btn-tp-primary:hover  { background: var(--brand-light); }
.btn-tp-success  { background: var(--success); color: #fff; }
.btn-tp-success:hover  { filter: brightness(1.12); }
.btn-tp-danger   { background: var(--danger); color: #fff; }
.btn-tp-danger:hover   { filter: brightness(1.12); }

.tp-align-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 4px; margin-top: 4px; }
.btn-align {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.6);
  padding: 5px 2px;
  font-size: 0.68rem;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}
.btn-align:hover { background: rgba(37,99,235,0.2); border-color: rgba(37,99,235,0.4); color: #93c5fd; }

.tp-keyboard-section { padding-bottom: 0; border-bottom: none; }

.tp-toggle { position: relative; display: inline-block; width: 32px; height: 17px; flex-shrink: 0; cursor: pointer; }
.tp-toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.tp-toggle-slider { position: absolute; inset: 0; background: rgba(255,255,255,0.1); border-radius: 17px; border: 1px solid rgba(255,255,255,0.15); transition: background 0.2s; }
.tp-toggle-slider::before { content: ''; position: absolute; width: 11px; height: 11px; left: 2px; top: 2px; background: rgba(255,255,255,0.4); border-radius: 50%; transition: transform 0.2s; }
.tp-toggle input:checked + .tp-toggle-slider { background: var(--brand); border-color: var(--brand); }
.tp-toggle input:checked + .tp-toggle-slider::before { transform: translateX(15px); background: #fff; }

.tp-kbd-map { margin-top: 8px; background: rgba(0,0,0,0.3); border-radius: var(--radius-sm); padding: 8px; }
.tp-kbd-row { display: flex; align-items: center; gap: 4px; margin-bottom: 4px; font-size: 0.7rem; color: rgba(255,255,255,0.4); }
.tp-kbd-row:last-child { margin-bottom: 0; }
.tp-kbd-row kbd { display: inline-block; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); border-radius: 4px; padding: 1px 5px; font-size: 0.65rem; font-family: monospace; color: rgba(255,255,255,0.65); }
.tp-kbd-step { margin-top: 6px; display: flex; align-items: center; gap: 6px; font-size: 0.7rem; color: rgba(255,255,255,0.4); }
.tp-step-select { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius-sm); color: #f0f4ff; font-size: 0.7rem; padding: 2px 4px; cursor: pointer; }
.tp-step-select option { background: #1e293b; }

/* ── Collision Warning ── */
.collision-warning {
  background: rgba(220,38,38,0.08);
  border: 1px solid rgba(220,38,38,0.3);
  border-radius: var(--radius-sm);
  color: #dc2626;
  padding: 5px 10px;
  font-size: 0.73rem;
  margin-bottom: 8px;
  text-align: center;
  animation: pulse-warn 1.2s ease-in-out infinite alternate;
}
@keyframes pulse-warn { from { opacity: 0.7; } to { opacity: 1; } }

/* ── Elements / Unit Lists ── */
#elements-list, #unit-types-list {
  max-height: 210px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-acc) transparent;
}
#elements-list::-webkit-scrollbar,
#unit-types-list::-webkit-scrollbar { width: 3px; }
#elements-list::-webkit-scrollbar-thumb,
#unit-types-list::-webkit-scrollbar-thumb { background: var(--border-acc); border-radius: 3px; }

.element-item {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  color: var(--text-primary);
}
.element-item:hover { background: var(--bg-hover); border-color: var(--border-mid); }

.box-type-item {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
  margin-bottom: 8px;
  transition: var(--transition);
  color: var(--text-primary);
}
.box-type-item:hover { border-color: var(--border-acc); }

/* ── Results Panel ── */
.results-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  margin-bottom: 0;
}
.results-panel h5 {
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.result-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-bottom: 7px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  color: var(--text-primary);
}
.result-item:hover { border-color: var(--border-mid); background: var(--bg-hover); }

/* ── Utilization Chart ── */
#util-chart { display: block; width: 100%; height: auto; border-radius: var(--radius-sm); }

/* ── Floor Navigation ── */
.floor-nav {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  border: 1px solid var(--border-mid);
}

/* ── Polygon Hint ── */
.polygon-hint {
  background: rgba(220,38,38,0.06);
  border: 1px solid rgba(220,38,38,0.2);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  font-size: 0.73rem;
  color: #b91c1c;
  line-height: 1.5;
}

/* ── Template Cards ── */
.template-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 13px;
  margin-bottom: 10px;
  transition: var(--transition);
  cursor: default;
}
.template-card:hover { border-color: var(--border-acc); background: var(--bg-hover); }
.template-icon { font-size: 1.8rem; min-width: 38px; text-align: center; }
.template-info { flex: 1; min-width: 0; }
.template-name { font-weight: 600; font-size: 0.88rem; color: var(--text-primary); }
.template-desc { font-size: 0.73rem; color: var(--text-muted); margin-top: 3px; line-height: 1.4; }
.template-meta { display: flex; gap: 12px; margin-top: 5px; font-size: 0.68rem; color: var(--text-muted); }
.template-meta span { display: flex; align-items: center; gap: 3px; }

.btn-apply-template {
  background: var(--brand-glow);
  border: 1px solid var(--border-acc);
  color: var(--brand);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}
.btn-apply-template:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn-apply-template:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Badge overrides ── */
.badge.bg-secondary { background: var(--bg-hover) !important; color: var(--text-secondary) !important; border: 1px solid var(--border-mid); }
.badge.bg-primary   { background: var(--brand) !important; }
.badge.bg-success   { background: var(--success) !important; }
.badge.bg-warning   { background: var(--warning) !important; }
.badge.bg-danger    { background: var(--danger) !important; }

.text-muted { color: var(--text-muted) !important; }

/* ── Animations ── */
.fade-in { animation: fadeIn 0.3s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }