/*
  Author: Sherif Fathey
  File: css/styles.css
  Description: Comprehensive Design System and CSS Tokens for VirtuLayer. Implements glassmorphism panels, dark/light theme color variables, responsive typography, custom table formatting, shape selection highlight states, dynamic tool entrance animations, and interactive input controls.
*/



:root, [data-theme="dark"] {
  /* Requested 6-Color Palette: #0b0f1a, #111a2e, #1b2a41, #2f3e56, #c8d3e0, #ffffff */
  --bg-space: #0b0f1a;
  --bg-card: rgba(17, 26, 46, 0.94);
  --bg-card-hover: #1b2a41;
  --bg-input: #090d17;
  --bg-header: rgba(17, 26, 46, 0.95);
  --bg-subtle-card: rgba(27, 42, 65, 0.45);

  --border-subtle: #1b2a41;
  --border-glow: rgba(47, 62, 86, 0.75);

  --text-primary: #ffffff;
  --text-secondary: #e3e5e9;
  --text-muted: #8fa0b5;

  /* Accent Colors */
  --primary-indigo: #2f3e56;
  --primary-purple: #3f5270;
  --accent-cyan: #4f688e;
  --accent-cyan-glow: rgba(79, 104, 142, 0.35);
  --accent-gold: #ffffff;
  --accent-emerald: #10b981;
  --accent-rose: #ef4444;

  /* Gradients */
  --grad-primary: linear-gradient(135deg, #2f3e56 0%, #1b2a41 100%);
  --grad-primary-hover: linear-gradient(135deg, #3d506e 0%, #253957 100%);
  --brand-gradient: linear-gradient(135deg, #ffffff 0%, #c8d3e0 60%, #2f3e56 100%);

  /* UI Tokens */
  --radius-lg: 14px;
  --radius-md: 8px;
  --radius-sm: 5px;
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.65), 0 0 0 1px #1b2a41;
  --shadow-glow: 0 4px 18px rgba(47, 62, 86, 0.45);

  --btn-secondary-bg: #1b2a41;
  --btn-secondary-hover: #263854;
  --btn-dark-bg: #111a2e;
  --btn-dark-hover: #1b2a41;
  --table-header-bg: #0e1526;
  --table-hover-bg: rgba(27, 42, 65, 0.6);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

[data-theme="light"] {
  /* Ultra-Crisp High-Contrast Light Mode */
  --bg-space: #e2e8f0;
  --bg-card: rgba(255, 255, 255, 0.98);
  --bg-card-hover: #ffffff;
  --bg-input: #ffffff;
  --bg-header: rgba(255, 255, 255, 0.98);
  --bg-subtle-card: #f1f5f9;

  --border-subtle: #cbd5e1;
  --border-glow: rgba(2, 132, 199, 0.4);

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;

  --primary-indigo: #0284c7;
  --primary-purple: #0369a1;
  --accent-cyan: #0284c7;
  --accent-cyan-glow: rgba(2, 132, 199, 0.25);
  --accent-emerald: #059669;
  --accent-rose: #dc2626;

  --grad-primary: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  --grad-primary-hover: linear-gradient(135deg, #0369a1 0%, #075985 100%);
  --brand-gradient: linear-gradient(135deg, #0f172a 0%, #334155 100%);

  --shadow-card: 0 4px 20px -2px rgba(15, 23, 42, 0.12), 0 0 0 1px #cbd5e1;
  --shadow-glow: 0 4px 15px rgba(2, 132, 199, 0.25);

  --btn-secondary-bg: #e2e8f0;
  --btn-secondary-hover: #cbd5e1;
  --btn-dark-bg: #cbd5e1;
  --btn-dark-hover: #94a3b8;
  --table-header-bg: #f1f5f9;
  --table-hover-bg: #f8fafc;
}

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

body, html {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-space);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.full-screen-mode {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* Header Navbar */
.app-header {
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.5rem;
  background: var(--bg-header);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
  flex-shrink: 0;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: rgba(13, 148, 136, 0.1);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  box-shadow: 0 0 15px rgba(13, 148, 136, 0.2);
}

.brand-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-title h1 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  /* -webkit-text-fill-color: transparent; */
}

.version-tag {
  font-size: 0.65rem;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: 0.12rem 0.4rem;
  background: rgba(8, 145, 178, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(8, 145, 178, 0.3);
  border-radius: 20px;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.github-plugin-btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 500;
  font-size: 0.85rem;
  padding: 0.4rem 0.85rem;
}

.author-link {
  text-decoration: none;
  color: inherit;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.author-link:hover {
  text-decoration: underline;
  opacity: 1;
}

/* Full Bleed Map Workspace Section */
.full-map-workspace {
  position: relative;
  flex: 1;
  width: 100vw;
  height: calc(100vh - 60px);
  overflow: hidden;
  background: var(--bg-space);
  transition: background 0.3s ease;
}

.full-canvas-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

canvas#map-canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

/* Glassmorphism Panel Base */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Floating Top-Left Bar */
.floating-top-bar {
  position: absolute;
  top: 16px;
  left: 16px;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 1rem;
  z-index: 20;
}

.file-uploader-inline {
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
}

.file-input-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.file-label {
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.file-input-wrapper input[type="file"] {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-weight: 300;
  font-size: 0.75rem;
  padding: 0.3rem 0.4rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.file-input-wrapper input[type="file"]::file-selector-button {
  background: var(--btn-secondary-bg);
  border: none;
  color: var(--text-primary);
  font-weight: 600;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  margin-right: 0.35rem;
  cursor: pointer;
  font-size: 0.725rem;
}

/* Light Mode Choose File Button Styling */
[data-theme="light"] .file-input-wrapper input[type="file"] {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: #64748b;
  font-weight: 300;
}

[data-theme="light"] .file-input-wrapper input[type="file"]::file-selector-button {
  background: #c8d1ddbb;
  color: #0f172a;
  border: none;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(189, 190, 190, 0.35);
  transition: all 0.2s ease;
}



/* Floating Active Drawing Badge */
.drawing-indicator {
  position: absolute;
  top: 100px;
  left: 16px;
  background: rgba(17, 26, 46, 0.94);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-glow);
  padding: 0.5rem 0.95rem;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: #ffffff;
  box-shadow: 0 0 20px rgba(47, 62, 86, 0.45);
  z-index: 20;
  transition: all 0.3s ease;
}

[data-theme="light"] .drawing-indicator {
  background: rgba(255, 255, 255, 0.95);
  color: #3f3f3f;
  border-color: #4e4e4e;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
}

.pulse-dot {
  width: 9px;
  height: 9px;
  background-color: #d97706;
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(217, 119, 6, 0.6); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(217, 119, 6, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(217, 119, 6, 0); }
}

/* Floating Bottom-Left Bar */
.floating-bottom-bar {
  position: absolute;
  bottom: 16px;
  left: 16px;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.4rem 0.85rem;
  z-index: 20;
}

.gesture-hint {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.author-divider {
  font-size: 0.75rem;
  color: var(--border-subtle);
  opacity: 0.6;
}

.author-name-tag {
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text-heading);
  background: #ffffff;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  user-select: none;
}

[data-theme="light"] .author-name-tag {
  background: #0f172a;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Floating Right Sidebar Panel */
.floating-sidebar-panel {
  position: absolute;
  top: 16px;
  right: 16px;
  bottom: 16px;
  width: 420px;
  z-index: 20;
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow-y: auto;
}

/* Custom Scrollbar for Sidebar */
.floating-sidebar-panel::-webkit-scrollbar {
  width: 5px;
}
.floating-sidebar-panel::-webkit-scrollbar-track {
  background: var(--bg-subtle-card);
  border-radius: 4px;
}
.floating-sidebar-panel::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 4px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.75rem;
}

.panel-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
}

.panel-title svg {
  color: var(--primary-purple);
}

.panel-title h2 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.status-pill {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 500;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
}

.floating-top-bar #canvas-status {
  align-self: flex-end;
  margin-bottom: 2px;
}

.status-idle {
  background: rgba(148, 163, 184, 0.12);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.status-active {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.shapes-count-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.55rem;
  background: rgba(56, 189, 248, 0.15);
  color: #ffffff;
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 20px;
}

[data-theme="light"] .shapes-count-badge {
  background: rgba(2, 132, 199, 0.12);
  color: #000000;
  border: 1px solid rgba(2, 132, 199, 0.3);
}

.yaml-transfer-bar {
  display: flex;
  gap: 0.75rem;
  align-items: flex-end;
  background: var(--bg-subtle-card);
  padding: 0.65rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.btn-group {
  display: flex;
  gap: 0.5rem;
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 0.825rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-sm {
  padding: 0.25rem 0.55rem;
  font-size: 0.75rem;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed !important;
  transform: none !important;
  box-shadow: none !important;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn:active:not(:disabled) {
  transform: translateY(0);
}

.btn-primary {
  background: rgba(13, 148, 136, 0.12);
  color: var(--primary-indigo);
  border: 1px solid rgba(13, 148, 136, 0.35);
}

.btn-primary:hover:not(:disabled) {
  background: rgba(13, 148, 136, 0.22);
  box-shadow: 0 0 15px var(--shadow-glow);
}

.btn-gradient {
  background: var(--grad-primary);
  color: white;
  box-shadow: var(--shadow-glow);
}

.btn-gradient:hover:not(:disabled) {
  background: var(--grad-primary-hover);
  box-shadow: 0 0 25px rgba(13, 148, 136, 0.4);
}

.btn-green, #submit-shape-btn {
  background: linear-gradient(135deg, #059669 0%, #10b981 100%) !important;
  color: #ffffff !important;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5) !important;
  letter-spacing: 0.02em !important;
  border: 1px solid rgba(16, 185, 129, 0.527) !important;
  box-shadow: 0 3px 12px rgba(16, 185, 129, 0.2) !important;
  font-weight: 700 !important;
  font-size: 0.83rem !important;
  padding: 0.48rem 0.85rem !important;
  height: 38px !important;
  transition: all 0.25s ease !important;
}

.btn-green:hover:not(:disabled), #submit-shape-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, #047857 0%, #059669 100%) !important;
  box-shadow: 0 0 18px rgba(16, 185, 129, 0.5) !important;
  transform: translateY(-1px) !important;
}

.btn-accent {
  background: rgba(8, 145, 178, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(8, 145, 178, 0.35);
}

.btn-accent:hover:not(:disabled) {
  background: rgba(8, 145, 178, 0.22);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

/* Load Map Button (#load-map-btn) */
#load-map-btn {
  background: rgba(12, 47, 80, 0.719) ;
  color: #ffffff;
  border: 1px solid rgba(8, 14, 20, 0.6);

  font-weight: 600;
}


#load-map-btn:hover:not(:disabled) {
  background: rgba(1, 19, 34, 0.507);
  box-shadow: 0 0 20px rgba(34, 34, 34, 0.288);
  transform: translateY(-1px);
}

[data-theme="light"] #load-map-btn {
  background: #a3b7d1bb;
  color: #011b25;
  border: 1px solid #e0e2e2;
  box-shadow: 0 3px 10px rgba(2, 132, 199, 0.35);
}

[data-theme="light"] #load-map-btn:hover:not(:disabled) {
  background:#a3b7d1bb;
  box-shadow: 0 0 18px rgba(192, 229, 248, 0.5);
}

/* Save / Export Shapes YAML Button (#export-shapes-btn) */
#export-shapes-btn {
  background: linear-gradient(135deg, #268569 0%, #1c6650 100%);
  color: #ffffff;
  border: 1px solid rgba(38, 133, 105, 0.4);
  box-shadow: 0 4px 15px rgba(28, 102, 80, 0.35);
  font-weight: 500;
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

#export-shapes-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, #1c6650 0%, #144b3b 100%);
  box-shadow: 0 0 20px rgba(38, 133, 105, 0.6);
  transform: translateY(-1px);
}

/* Light Mode Export Shapes Button */
[data-theme="light"] #export-shapes-btn {
  background: linear-gradient(135deg, #0f8864d5 0%, #0f8864d5 100%);
  color: #ffffff;
  border: 1px solid #0f8864d5;
  box-shadow: 0 3px 10px rgba(46, 170, 133, 0.932);
  text-shadow: none;
}

[data-theme="light"] #export-shapes-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, #1d6b55 0%, #1d6b55 100%);
  box-shadow: 0 0 18px rgba(28, 102, 80, 0.5);
}

.btn-secondary {
  background: var(--btn-secondary-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--btn-secondary-hover);
  border-color: var(--border-glow);
}

.btn-secondary.active {
  background: rgba(8, 145, 178, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.btn-success {
  background: rgba(16, 185, 129, 0.18);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.btn-success:hover:not(:disabled) {
  background: rgba(16, 185, 129, 0.28);
}

.btn-dark {
  background: var(--btn-dark-bg);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.btn-dark:hover:not(:disabled) {
  background: var(--btn-dark-hover);
  color: var(--text-primary);
}

.btn-danger-outline {
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent-rose);
  border: 1px solid rgba(239, 68, 68, 0.35);
}

.btn-danger-outline:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.22);
  border-color: rgba(239, 68, 68, 0.6);
}

.btn-danger {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  color: #ffffff;
  border: 1px solid rgba(220, 38, 38, 0.5);
  box-shadow: 0 4px 15px rgba(220, 38, 38, 0.35);
}

.btn-danger:hover:not(:disabled) {
  background: linear-gradient(135deg, #b91c1c 0%, #991b1b 100%);
  box-shadow: 0 0 20px rgba(220, 38, 38, 0.5);
}

.modal-title-danger svg {
  color: var(--accent-rose) !important;
}

.delete-modal-card {
  max-width: 420px;
  border-color: rgba(239, 68, 68, 0.35);
}

.btn-icon-only {
  padding: 0.35rem 0.5rem;
  border-radius: 4px;
}

.full-width {
  width: 100%;
}

.margin-top-xs {
  margin-top: 0.4rem;
}

.drawing-tools-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
}

[data-theme="light"] .drawing-tools-card {
  background: #ffffff !important;
  border-color: var(--border-subtle) !important;
  box-shadow: var(--shadow-card) !important;
}



.drawing-tools-card .fieldset-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: #fffffe;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.65rem;
  display: block;
}

[data-theme="light"] .drawing-tools-card .fieldset-tag {
  color: #022b5a;
}

/* Tool Buttons Sizing & Scaling (Selected is Bigger, Unselected are Smaller) */
.drawing-tools-card .btn-secondary {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease, background 0.2s, box-shadow 0.2s;
  transform: scale(0.94);
  opacity: 0.75;
}

.drawing-tools-card .btn-secondary:hover:not(.active) {
  opacity: 0.95;
  transform: scale(0.98);
}

.drawing-tools-card .btn-secondary.active {
  transform: scale(1.08) !important;
  opacity: 1 !important;
  z-index: 5;
}

/* Distinct Tool Button 100% Solid Vibrant Fills */
#draw-circle-btn.active {
  background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%) !important;
  color: #ffffff !important;
  border-color: #c4b5fd !important;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.65) !important;
  font-weight: 700 !important;
}

#draw-polygon-btn.active {
  background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%) !important;
  color: #ffffff !important;
  border-color: #fed7aa !important;
  box-shadow: 0 4px 20px rgba(234, 88, 12, 0.65) !important;
  font-weight: 700 !important;
}

#draw-line-btn.active {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%) !important;
  color: #ffffff !important;
  border-color: #bae6fd !important;
  box-shadow: 0 4px 20px rgba(2, 132, 199, 0.65) !important;
  font-weight: 700 !important;
}

#submit-shape-btn.btn-editing {
  background: linear-gradient(135deg, #059669 0%, #10b981 100%) !important;
  color: #ffffff !important;
  border-color: rgba(16, 185, 129, 0.6) !important;
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.5) !important;
}

#submit-shape-btn.btn-editing:hover:not(:disabled) {
  background: linear-gradient(135deg, #047857 0%, #059669 100%) !important;
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.75) !important;
  transform: translateY(-1px) !important;
}

.form-submit-group {
  margin-top: 0.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

#cancel-edit-btn {
  font-size: 0.8rem !important;
  padding: 0.4rem 0.75rem !important;
  height: 34px !important;
}

.editor-form {
  background: var(--bg-subtle-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.form-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.35rem;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.55rem;
}

.input-error {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.35) !important;
  animation: shakeInput 0.3s ease-in-out;
}

@keyframes shakeInput {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-4px); }
  40%, 80% { transform: translateX(4px); }
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.input-group label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.custom-input, .custom-select {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 0.4rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-family: var(--font-sans);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.custom-input:focus, .custom-select:focus {
  outline: none;
  border-color: var(--primary-indigo);
  box-shadow: 0 0 0 2px rgba(13, 148, 136, 0.2);
}

.font-mono {
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.type-fieldset {
  position: relative;
  background: var(--bg-subtle-card);
  border: 1px dashed rgba(13, 148, 136, 0.35);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  margin-top: 0.1rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.type-fieldset.active-polygon {
  border: 1px solid rgba(234, 88, 12, 0.6);
  box-shadow: 0 0 20px rgba(234, 88, 12, 0.22), inset 0 0 12px rgba(234, 88, 12, 0.08);
  animation: toolSelectTransition 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.type-fieldset.active-circle {
  border: 1px solid rgba(124, 58, 237, 0.6);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.22), inset 0 0 12px rgba(124, 58, 237, 0.08);
  animation: toolSelectTransition 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.type-fieldset.active-line {
  border: 1px solid rgba(2, 132, 199, 0.6);
  box-shadow: 0 0 20px rgba(2, 132, 199, 0.22), inset 0 0 12px rgba(2, 132, 199, 0.08);
  animation: toolSelectTransition 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Active Tool Header Badge Colors (Distinct per Tool) */
.type-fieldset.active-polygon #geometry-title {
  color: #ea580c;
  background: rgba(234, 88, 12, 0.12);
  border-left-color: #ea580c;
}

.type-fieldset.active-circle #geometry-title {
  color: #a855f7;
  background: rgba(168, 85, 247, 0.12);
  border-left-color: #a855f7;
}

.type-fieldset.active-line #geometry-title {
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
  border-left-color: #38bdf8;
}

/* Light Mode Variations */
[data-theme="light"] .type-fieldset.active-polygon #geometry-title {
  color: #c2410c;
  background: rgba(194, 65, 12, 0.12);
  border-left-color: #c2410c;
}

[data-theme="light"] .type-fieldset.active-circle #geometry-title {
  color: #7c3aed;
  background: rgba(124, 58, 237, 0.12);
  border-left-color: #7c3aed;
}

[data-theme="light"] .type-fieldset.active-line #geometry-title {
  color: #0284c7;
  background: rgba(2, 132, 199, 0.12);
  border-left-color: #0284c7;
}

@keyframes toolSelectTransition {
  0% {
    opacity: 0.5;
    transform: translateY(-4px) scale(0.98);
  }
  50% {
    transform: translateY(0) scale(1.01);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.fieldset-tag {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--primary-purple);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  display: block;
}

#geometry-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: #fdfdfd;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.6rem;
  background: #aeeaf11f;
  border-radius: var(--radius-sm);
  border-left: 3.5px solid #aeeaf1;
  margin-bottom: 0.75rem;
  transition: all 0.3s ease;
}

[data-theme="light"] #geometry-title {
  color: #012546;
  background: #acaaaa3b;
  border-left-color: #918f8f;
}

/* Position & Movement D-Pad Controller */
.nudge-control-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

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

.nudge-title {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.nudge-step-input {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nudge-step-input label {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.nudge-step-field {
  width: 65px;
  padding: 0.2rem 0.4rem !important;
  font-size: 0.75rem !important;
  text-align: center;
}

.nudge-dpad {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}

.nudge-horizontal {
  display: flex;
  gap: 1.5rem;
}

.nudge-btn {
  width: 36px;
  height: 30px;
  padding: 0 !important;
  border-radius: 6px !important;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--btn-secondary-bg);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  transition: all 0.15s ease;
}

.nudge-btn:hover {
  background: var(--btn-secondary-hover);
  border-color: var(--primary-indigo);
  color: var(--primary-indigo);
  transform: scale(1.06);
}

.nudge-btn:active {
  transform: scale(0.95);
}

.checkbox-wrapper {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: 100%;
}

#filled-input-group, #thickness-input-group {
  background: rgba(27, 42, 65, 0.75);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-top: 0.5rem;
  width: 100%;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: all 0.25s ease;
}

[data-theme="light"] #filled-input-group,
[data-theme="light"] #thickness-input-group {
  background: #ffffff;
  border: 1px solid #c7d2d7;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

#thickness-input-group label {
  font-size: 0.88rem !important;
  font-weight: 700 !important;
  color: var(--text-primary) !important;
  margin-bottom: 0.45rem !important;
  display: block !important;
}

#thickness-input-group .custom-input {
  font-size: 0.95rem !important;
  padding: 0.55rem 0.75rem !important;
  font-weight: 600 !important;
  background: var(--bg-input) !important;
  border: 1px solid var(--border-subtle) !important;
  border-radius: var(--radius-sm) !important;
}

.custom-checkbox {
  display: flex !important;
  align-items: center !important;
  gap: 0.85rem !important;
  cursor: pointer !important;
  font-size: 0.95rem !important;
  font-weight: 700 !important;
  color: var(--text-primary) !important;
  user-select: none !important;
  width: 100% !important;
}

.custom-checkbox input[type="checkbox"] {
  appearance: checkbox !important;
  -webkit-appearance: checkbox !important;
  accent-color: #ea580c !important;
  width: 22px !important;
  height: 22px !important;
  min-width: 22px !important;
  min-height: 22px !important;
  cursor: pointer !important;
}

.hidden {
  display: none !important;
}

.shapes-list-container {
  overflow-x: auto;
  overflow-y: visible;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.modern-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.modern-table th, .modern-table td {
  padding: 0.55rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.modern-table th {
  background: var(--table-header-bg);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.65rem;
  letter-spacing: 0.05em;
}

.table-search-box {
  position: relative;
  margin: 0.5rem 0 0.75rem 0;
  display: flex;
  align-items: center;
}

.table-search-box svg {
  position: absolute;
  left: 0.75rem;
  color: var(--text-muted);
  pointer-events: none;
}

.table-search-box .search-input {
  padding-left: 2.2rem !important;
  font-size: 0.82rem;
  height: 36px;
  width: 100%;
}

.modern-table tbody tr {
  transition: background 0.15s ease;
}

.modern-table tbody tr:hover {
  background: var(--table-hover-bg);
}

.text-right {
  text-align: right;
}

.tag {
  display: inline-block;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.tag-expired {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-rose);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.tag-info {
  background: rgba(8, 145, 178, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(8, 145, 178, 0.3);
}

.shape-type-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  background: rgba(8, 145, 178, 0.12);
  color: var(--accent-cyan);
}

.table-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.75rem;
  background: var(--table-header-bg);
  border-bottom: 1px solid var(--border-subtle);
}

.table-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.modern-table tbody tr {
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.modern-table tbody tr.selected-row {
  background: rgba(239, 68, 68, 0.164) !important;
  box-shadow: inset 4px 0 0 #ef4444, 0 0 15px rgba(239, 68, 68, 0.35) !important;
  border-color: rgba(239, 68, 68, 0.4) !important;
}

.edit-btn {
  background: rgba(47, 62, 86, 0.4) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-glow) !important;
  transition: all 0.2s ease !important;
}

.edit-btn:hover, .edit-btn.active {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%) !important;
  color: #ffffff !important;
  border-color: #93c5fd !important;
  box-shadow: 0 0 15px rgba(37, 99, 235, 0.65) !important;
  transform: scale(1.08) !important;
}

.action-btn-group {
  display: flex;
  justify-content: flex-end;
  gap: 0.35rem;
}

/* Toast Pop-up Notification System */
.toast-container {
  position: fixed;
  top: 75px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast-pop-msg {
  pointer-events: auto;
  min-width: 290px;
  max-width: 380px;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--accent-emerald);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15), 0 0 15px rgba(16, 185, 129, 0.2);
  transform: translateX(120%);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease;
}

.toast-pop-msg.show {
  transform: translateX(0);
  opacity: 1;
}

.toast-pop-msg.hide {
  transform: translateX(120%);
  opacity: 0;
}

.toast-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  flex-shrink: 0;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.toast-body {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 0.1rem;
}

.toast-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0 0.2rem;
  line-height: 1;
  transition: color 0.15s ease;
}

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

.toast-warning {
  border-color: var(--accent-rose) !important;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15), 0 0 15px rgba(239, 68, 68, 0.25) !important;
}

.toast-icon-warning {
  background: rgba(239, 68, 68, 0.15) !important;
  color: var(--accent-rose) !important;
}

/* Centered Popup Modal System */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(5, 7, 10, 0.65);
  backdrop-filter: blur(8px);
  z-index: 9900;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay:not(.hidden) {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  width: 90%;
  max-width: 480px;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  transform: scale(0.92);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay:not(.hidden) .modal-card {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.modal-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-primary);
}

.modal-title svg {
  color: var(--primary-indigo);
}

.modal-title h2 {
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-close-x {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
  transition: color 0.15s ease;
}

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

.modal-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.modal-type-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.shape-type-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background: var(--bg-subtle-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.shape-type-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

.shape-type-card.active {
  border-color: var(--primary-indigo);
  background: rgba(13, 148, 136, 0.12);
  box-shadow: 0 0 15px rgba(13, 148, 136, 0.2);
}

.type-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.type-icon-purple {
  background: rgba(124, 111, 224, 0.14);
  color: #7c6fe0;
}

.type-icon-orange {
  background: rgba(217, 119, 6, 0.14);
  color: #d97706;
}

.type-icon-cyan {
  background: rgba(8, 145, 178, 0.14);
  color: var(--accent-cyan);
}

.type-info h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.type-info p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.85rem;
}