/* ============================================================
   Villa Kleineh Project — Main Stylesheet
   ============================================================ */

/* -------------------------
   1. CSS Custom Properties
   ------------------------- */
:root {
  /* === OBSIDIAN ELEGANCE THEME === */
  
  /* Primary Accent (Blue) */
  --color-primary: #00a3ff;
  --color-primary-hover: #0082cc;
  --color-primary-glow: rgba(0, 163, 255, 0.25);
  --color-secondary: #00d1ff;
  
  /* Semantic Colors */
  --color-success: #22c55e;
  --color-warning: #0ea5e9;
  --color-danger: #ef4444;
  --color-neutral: #71717a;

  /* Status Colors (Grid Overlay) */
  --status-not-started: #a1a1aa;
  --status-documented: #f34906;
  --status-priced: #38bdf8;
  --status-complete: #4ade80;
  --grid-hover-glow: rgba(251, 146, 60, 0.6);
  --grid-hover-fill: rgba(251, 146, 60, 0.25);
  --grid-active-fill: rgba(251, 146, 60, 0.35);
  --grid-label-color: var(--status-documented);
  --grid-line-color: #ff5500;
  --grid-outline-color: var(--grid-line-color);
  --grid-cell-stroke: 0.9px;
  --grid-cell-stroke-hover: 0.9px;
  --grid-cell-stroke-active: 1.2px;
  --grid-outline-stroke: var(--grid-cell-stroke);

  /* Background & Surface (Pure Black Base) */
  --bg-body: #000000;
  --bg-surface: #0a0a0a;
  --bg-surface-elevated: #141414;
  --bg-surface-hover: #1a1a1a;
  --bg-overlay: rgba(0, 0, 0, 0.8);
  --bg-glass: rgba(10, 10, 10, 0.85);

  /* Text Colors (High Contrast) */
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;

  /* Border & Divider */
  --border-color: #262626;
  --border-color-subtle: #1a1a1a;
  --border-radius: 8px;
  --border-radius-lg: 16px;
  --border-radius-full: 9999px;

  /* Typography (Fluid Scale) */
  --font-family: "Inter", system-ui, -apple-system, sans-serif;
  --font-size-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.75rem);
  --font-size-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
  --font-size-base: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
  --font-size-lg: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --font-size-xl: clamp(1.15rem, 1rem + 0.75vw, 1.375rem);
  --font-size-2xl: clamp(1.4rem, 1.2rem + 1vw, 1.75rem);
  --font-size-3xl: clamp(1.8rem, 1.5rem + 1.5vw, 2.5rem);
  --font-size-4xl: clamp(2.2rem, 1.8rem + 2vw, 3.5rem);
  
  /* Letter Spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;

  /* Transitions (GPU-accelerated) */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows (Optimized) */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 30px var(--color-primary-glow);
  --shadow-glow-sm: 0 0 15px var(--color-primary-glow);

  /* Layout */
  --header-height: 56px;
  --footer-height: 44px;
  --sidebar-width: 320px;
  --max-content-width: 1800px;
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-base: 0ms;
    --transition-slow: 0ms;
  }
}

/* -------------------------
   2. Reset & Base
   ------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-body);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar Styling */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: #000000;
}

::-webkit-scrollbar-thumb {
  background: #3a3a3a;
  border-radius: 6px;
  border: 2px solid #000000;
}

::-webkit-scrollbar-thumb:hover {
  background: #4a4a4a;
}

/* Firefox scrollbar styling */
* {
  scrollbar-width: thin;
  scrollbar-color: #3a3a3a #000000;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Global Icon Styling */
svg, .icon {
  width: 1.25em;
  height: 1.25em;
  vertical-align: middle;
  stroke: currentColor;
  stroke-width: 2;
  flex-shrink: 0;
}

/* Specific icon positions */
.btn svg, 
.nav__link svg,
.landing-stat__icon svg,
.facade-stats__item svg,
.minimap__header svg,
.detail-panel__location svg,
.back-link svg {
  margin-right: 0.5rem;
}

.status-badge svg {
  width: 1em;
  height: 1em;
  margin-right: 0.25rem;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* -------------------------
   3. Layout Structure
   ------------------------- */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-color-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-3);
  padding: 0 var(--space-5);
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: opacity var(--transition-fast);
}

/* Hide header brand when menu is open */
body.nav-open .header__brand {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Hide hamburger toggle when menu is open (close button is inside nav) */
body.nav-open .header__menu-toggle {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Nav drawer */
.header__nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 320px;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  transform: translateX(-100%);
  transition: transform var(--transition-base);
  z-index: 200;
  box-shadow: 4px 0 30px rgba(0, 0, 0, 0.7);
}

.header__nav.is-open {
  transform: translateX(0);
}

/* Counteract parent header transform on desktop */
@media (min-width: 768px) {
  body.nav-open .header__nav {
    transform: translateX(-320px);
  }
}

/* Nav drawer header with close button and title */
.nav__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-color);
  height: var(--header-height);
  flex-shrink: 0;
}

.nav__close {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav__close:hover {
  opacity: 0.8;
  transform: scale(1.1);
}

.nav__close svg {
  width: 24px;
  height: 24px;
}

.nav__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
}

/* Nav links container */
.nav__links {
  flex: 1;
  padding: var(--space-4);
  overflow-y: auto;
}

.header__nav .nav__link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-1);
}

.header__nav .nav__link.active {
  color: #000;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

/* Push navigation: shift content when menu is open (desktop only) */
@media (min-width: 768px) {
  body.nav-open .header {
    transform: translateX(320px);
  }

  body.nav-open .main {
    transform: translateX(320px);
  }

  body.nav-open .footer {
    transform: translateX(320px);
  }

  .header,
  .main,
  .footer {
    transition: transform var(--transition-base);
  }

  /* No overlay needed on desktop for push nav */
  body.nav-open .header__nav-overlay {
    display: none;
  }
}

.nav__link {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--border-radius-full);
  transition: color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.nav__link:hover {
  color: var(--text-primary);
  background: var(--bg-surface-elevated);
  transform: translateY(-1px);
}

.nav__link.active {
  color: #000;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  font-weight: 600;
}

.nav__link--exit {
  display: none;
  color: var(--color-danger);
  border: 1px solid rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.1);
}

.nav__link--exit:hover {
  color: #fff;
  background: var(--color-danger);
  border-color: var(--color-danger);
}

.nav__link--sign-out {
  margin-top: var(--space-3);
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--text-secondary);
}

.nav__link--sign-out:hover {
  color: var(--color-danger);
  background: rgba(239, 68, 68, 0.1);
}

.main {
  flex: 1;
  margin-top: var(--header-height);
  padding: var(--space-5);
  max-width: var(--max-content-width);
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.footer {
  height: var(--footer-height);
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__text {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  letter-spacing: var(--tracking-wide);
}


/* -------------------------
   4. View Containers
   ------------------------- */
.view {
  animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.view__header {
  margin-bottom: var(--space-5);
}

.view__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.view__subtitle {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
}

/* -------------------------
   5. Landing View (Placeholder)
   ------------------------- */
.landing {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(
    100vh - var(--header-height) - var(--footer-height) - var(--space-5) * 2
  );
  text-align: center;
}

.landing__hero {
  margin-bottom: var(--space-6);
}

.landing__title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.landing__description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
}

.landing__facades {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  max-width: 500px;
  margin-bottom: var(--space-6);
}

.facade-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.facade-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, var(--color-primary-glow) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.facade-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.facade-card:hover::before {
  opacity: 1;
}

.facade-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-3);
  filter: grayscale(0.2);
  transition: filter var(--transition-fast);
}

.facade-card:hover .facade-card__icon {
  filter: grayscale(0);
}

.facade-card__name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
}

/* -------------------------
   6. Facade View (Placeholder)
   ------------------------- */
/* Prevent scrollbar on facade pages */
body.facade-page,
body.facade-page html,
html:has(body.facade-page) {
  overflow: hidden !important;
  height: 100vh;
}

body.facade-page .main {
  overflow: hidden;
  padding: var(--space-4);
  margin-top: var(--header-height);
  height: calc(100vh - var(--header-height) - var(--footer-height));
}

body.facade-page #app {
  overflow: hidden;
  height: 100vh;
}

.facade-view {
  display: flex;
  gap: var(--space-5);
}

.facade-view__main {
  flex: 1;
}

.facade-view__sidebar {
  width: var(--sidebar-width);
}

.facade-placeholder {
  aspect-ratio: 16 / 9;
  background: var(--bg-surface);
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: var(--font-size-lg);
}

/* -------------------------
   6b. Facade View (Full Implementation)
   ------------------------- */
.facade-view-page {
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.facade-view-page__header {
  margin-bottom: var(--space-3);
  flex-shrink: 0;
}

.view__header-content {
  flex: 1;
}

.facade-controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.toggle-control {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.toggle-control input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
}

.toggle-control__label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.facade-layout {
  flex: 1;
  display: flex;
  gap: var(--space-5);
  overflow: hidden;
  min-height: 0;
}

.facade-layout__main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.facade-layout__sidebar {
  width: 380px;
  flex-shrink: 0;
  overflow-y: auto;
  overflow-x: hidden;
}

/* Elevation Container with Grid Overlay */
.elevation-container {
  position: relative;
  background: var(--bg-surface);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.elevation-frame {
  position: relative;
  display: inline-block;
  max-width: 100%;
  max-height: 100%;
  line-height: 0;
}

.elevation-image {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.grid-overlay-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

/* SVG Grid Overlay */
.grid-overlay {
  width: 100%;
  height: 100%;
  pointer-events: all;
  transition: opacity var(--transition-base);
}

.grid-overlay--hidden {
  opacity: 0;
  pointer-events: none;
}

/* Grid Cell Polygons */
.grid-cell {
  fill: transparent;
  stroke: var(--grid-line-color);
  stroke-width: var(--grid-cell-stroke);
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  cursor: pointer;
  transition: fill 0.15s ease, stroke-width 0.15s ease, filter 0.15s ease;
}

.grid-cell:hover,
.grid-cell:active {
  fill: var(--grid-hover-fill);
  stroke-width: var(--grid-cell-stroke-hover);
  filter: drop-shadow(0 0 6px var(--grid-hover-glow));
}

.grid-cell--active {
  fill: var(--grid-active-fill);
  stroke-width: var(--grid-cell-stroke-active);
  filter: drop-shadow(0 0 8px var(--grid-hover-glow));
}

/* Status-based cell colors */
.grid-cell[data-status="not_started"] {
  stroke: var(--grid-line-color);
}

.grid-cell[data-status="documented"] {
  stroke: var(--status-documented);
}

.grid-cell[data-status="priced"] {
  stroke: var(--status-priced);
}


.grid-cell[data-status="complete"] {
  stroke: var(--status-complete);
}

.grid-outline {
  display: block;
  stroke: var(--grid-outline-color);
  stroke-width: var(--grid-outline-stroke);
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  shape-rendering: geometricPrecision;
}


/* Grid Labels */
.grid-label {
  fill: var(--grid-label-color);
  font-weight: 700;
  font-family: var(--font-family);
  text-anchor: middle;
  dominant-baseline: middle;
  pointer-events: none;
  paint-order: stroke;
  stroke-width: 0.9px;
}

/* -------------------------
   6c. HTML Image Map Grid System
   ------------------------- */

/* Image map areas - invisible by default, cursor changes on hover */
area {
  cursor: pointer;
  outline: none;
}

area:hover,
area:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

/* Grid container - positioned inside elevation container with offset margins */
.grid-container {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  pointer-events: none;
  z-index: 1;
}

/* Grid highlights overlay container */
.grid-highlights-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* Individual highlight div for each grid cell - ALWAYS VISIBLE */
.grid-highlight {
  position: absolute;
  pointer-events: none;
  border: 2px solid var(--grid-line-color);
  border-radius: 4px;
  box-sizing: border-box;/* Always visible at 50% */
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.grid-highlight--visible {
  opacity: 1;
  background: rgba(255, 115, 0, 0.331); /* Light fill on hover */
  box-shadow:
    0 0 0 1px rgba(255, 165, 0, 0.55),
    0 0 12px rgba(255, 165, 0, 0.35);
}

.grid-highlight--active {
  opacity: 1;
  transform: scale(2.25);
  box-shadow:
    1px 1px 0 3px rgba(255, 165, 0, 0.6),
    1px 1px 19px rgba(255, 165, 0, 0.4);
}

/* Status-based highlight colors for image maps */
.grid-highlight[data-status="not_started"].grid-highlight--visible,
.grid-highlight[data-status="not_started"].grid-highlight--active {
  border-color: var(--status-not-started);
}

.grid-highlight[data-status="not_started"].grid-highlight--visible {
  background: rgba(56, 191, 248, 0.353);
}

.grid-highlight[data-status="documented"].grid-highlight--visible,
.grid-highlight[data-status="documented"].grid-highlight--active {
  border-color: var(--status-documented);
}

.grid-highlight[data-status="documented"].grid-highlight--visible {
  background: rgba(243, 6, 10, 0.25);
}

.grid-highlight[data-status="priced"].grid-highlight--visible,
.grid-highlight[data-status="priced"].grid-highlight--active {
  border-color: var(--status-priced);
}

.grid-highlight[data-status="priced"].grid-highlight--visible {
  background: rgba(56, 191, 248, 0.328);
}

.grid-highlight[data-status="complete"].grid-highlight--visible,
.grid-highlight[data-status="complete"].grid-highlight--active {
  border-color: var(--status-complete);
}

.grid-highlight[data-status="complete"].grid-highlight--visible {
  background: rgba(74, 222, 128, 0.25);
}

/* Grid labels overlay for image maps */
.grid-labels-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

/* Image map grid labels (positioned absolutely) */
.grid-labels-overlay .grid-label {
  position: absolute;
  color: #f34906;
  font-size: 1.8rem;
  font-weight: 1200;
  pointer-events: none;
  user-select: none;
  fill: none; /* Override SVG fill */
}


/* Facade Stats */
.facade-stats {
  display: flex;
  gap: var(--space-5);
  padding: var(--space-3);
  margin-top: var(--space-3);
  background: var(--bg-surface);
  border-radius: var(--border-radius);
  flex-shrink: 0;
}

.facade-stats__item {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
}

.facade-stats__item strong {
  color: var(--text-primary);
}

/* Minimap */
.minimap {
  background: var(--bg-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

.minimap__header {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.minimap__grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.minimap__row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.minimap__level-label {
  width: 36px;
  font-size: var(--font-size-base);
  color: var(--text-muted);
  font-weight: 500;
}

.minimap__cell {
  width: 50px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface-elevated);
  border-radius: 6px;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.minimap__cell:hover {
  background: var(--color-primary);
  color: white;
}

.minimap__empty {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  font-style: italic;
}

/* Legend */
.legend {
  background: var(--bg-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--space-4);
}

.legend__header {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.legend__items {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.legend__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-base);
  color: var(--text-secondary);
}

.legend__color {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.legend__color--complete {
  background: var(--status-complete);
}

.legend__color--priced {
  background: var(--status-priced);
}

.legend__color--documented {
  background: var(--status-documented);
}

.legend__color--not-started {
  background: var(--status-not-started);
}

/* Facade Navigation Buttons */
.facade-nav-buttons {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}

.facade-nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 100px;
  width: fit-content;
  padding: var(--space-2) var(--space-4);
  background: transparent;
  border: 2px solid var(--color-primary);
  border-radius: 9999px; /* Pill shape */
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.facade-nav-btn:hover {
  background: rgba(0, 163, 255, 0.15);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 163, 255, 0.2);
}

/* Loading State */
.facade-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}

.facade-loading__spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Text utilities */
.text-danger {
  color: var(--color-danger);
}

/* -------------------------
   7. Buttons
   ------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem 1.5rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--border-radius-full);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
  cursor: pointer;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: #000;
  box-shadow: 0 2px 8px var(--color-primary-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--color-primary-glow);
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
}

.btn--ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.btn--icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
}

.btn--icon:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  transform: scale(1.05);
}

.btn--sm {
  padding: 0.375rem 1rem;
  font-size: var(--font-size-xs);
}

.btn--lg {
  padding: 0.875rem 2rem;
  font-size: var(--font-size-base);
}

/* -------------------------
   8. Back Navigation
   ------------------------- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
  transition: color var(--transition-fast);
}

.back-link:hover {
  color: var(--text-primary);
}

/* Reusable centered nav buttons (Back/Home) */
.view__nav-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-4) 0;
  margin-bottom: var(--space-2);
}

.view__nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-width: 100px;
  padding: var(--space-2) var(--space-4);
  background: transparent;
  border: 2px solid var(--color-primary);
  border-radius: 9999px; /* Pill shape */
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.view__nav-btn:hover {
  background: rgba(0, 163, 255, 0.15);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 163, 255, 0.2);
}

.view__nav-btn svg {
  width: 16px;
  height: 16px;
}

/* -------------------------
   9. Utility Classes
   ------------------------- */
.text-center {
  text-align: center;
}
.text-muted {
  color: var(--text-muted);
}
.mt-4 {
  margin-top: var(--space-4);
}
.mb-4 {
  margin-bottom: var(--space-4);
}

/* -------------------------
   10. Responsive
   ------------------------- */

/* Title variants (desktop shows full, mobile shows short) */
.header__title-short {
  display: none;
}

/* Hamburger menu toggle (always visible, left side) */
.header__menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  z-index: 102;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.header__menu-toggle:hover {
  opacity: 0.8;
  transform: scale(1.1);
}

.header__menu-toggle .icon-menu,
.header__menu-toggle .icon-close {
  width: 24px;
  height: 24px;
}

.header__menu-toggle .icon-menu {
  display: block;
}

.header__menu-toggle .icon-close {
  display: none;
}

.header__menu-toggle.is-open .icon-menu {
  display: none;
}

.header__menu-toggle.is-open .icon-close {
  display: block;
}



/* Nav overlay (for menu backdrop - always available) */
.header__nav-overlay {
  display: block;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  z-index: 100;
}

.header__nav-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

/* ---- TABLET BREAKPOINT (≤1023px) ---- */
@media (max-width: 1023px) {
  .facade-layout__sidebar {
    width: 240px;
  }
}

/* ---- MOBILE BREAKPOINT (≤767px) ---- */
@media (max-width: 767px) {
  /* Header adjustments */
  .header {
    padding: 0 var(--space-3);
  }

  /* Title: show short version on mobile */
  .header__title-full {
    display: none;
  }
  
  .header__title-short {
    display: inline;
  }

  /* Main content adjustments */
  .main {
    padding: var(--space-4);
  }

  /* Landing facades grid */
  .landing__facades {
    grid-template-columns: 1fr;
    max-width: 300px;
  }

  .facade-view {
    flex-direction: column;
  }

  .facade-view__sidebar {
    width: 100%;
  }

  /* Facade layout responsive */
  .facade-layout {
    flex-direction: column;
  }

  .facade-layout__sidebar {
    width: 100%;
    order: -1;
  }

  .facade-controls {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .facade-stats {
    flex-wrap: wrap;
    gap: var(--space-3);
  }

  /* Enhanced minimap for mobile (sticky, larger cells) */
  .minimap {
    position: sticky;
    top: var(--header-height);
    z-index: 10;
    border-radius: 0;
    margin: calc(-1 * var(--space-4)) calc(-1 * var(--space-4)) var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-surface-elevated);
    border-bottom: 1px solid var(--border-color);
  }

  .minimap__cell {
    width: 40px;
    height: 36px;
    font-size: var(--font-size-sm);
  }

  /* Enhanced grid cells for touch (larger stroke, active state) */
  :root {
    --grid-cell-stroke: 0.7px;
    --grid-cell-stroke-hover: 1px;
    --grid-cell-stroke-active: 1.4px;
    --grid-outline-stroke: var(--grid-cell-stroke);
  }

}

/* -------------------------
   11. Decorations View
   ------------------------- */
.decorations-view__loading,
.tables-view__loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: var(--text-secondary);
}

.decorations-view__empty,
.tables-view__empty {
  color: var(--text-muted);
  text-align: center;
}

.decorations-section {
  margin-bottom: var(--space-6);
}

.decorations-section__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border-color);
}

.decorations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-4);
}

.decoration-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.decoration-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.decoration-card__link {
  display: block;
  cursor: pointer;
  text-decoration: none;
}

.decoration-card__image {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--bg-surface-elevated);
}

.decoration-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.decoration-card:hover .decoration-card__image img {
  transform: scale(1.05);
}

.decoration-card__info {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.decoration-card__id {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.decoration-card__location {
  font-size: var(--font-size-xs);
  color: var(--color-primary);
}

.decoration-card__size {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

/* -------------------------
   8b. Single Photo Viewer
   ------------------------- */
.single-photo-viewer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.single-photo-viewer--visible {
  opacity: 1;
}

.single-photo-viewer--closing {
  opacity: 0;
}

.single-photo-viewer__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  cursor: pointer;
}

.single-photo-viewer__content {
  position: relative;
  width: 90vw;
  max-width: 1400px;
  height: 90vh;
  display: flex;
  flex-direction: column;
  z-index: 1;
}

.single-photo-viewer__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4);
  background: rgba(0, 0, 0, 0.8);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.single-photo-viewer__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.single-photo-viewer__id {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
}

.single-photo-viewer__location {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
}

.single-photo-viewer__close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.single-photo-viewer__close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.single-photo-viewer__image-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.8);
  border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
  overflow: hidden;
}

.single-photo-viewer__image {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

/* Photo viewer with sidebar layout */
.single-photo-viewer--with-sidebar .single-photo-viewer__content {
  display: none;
}

.single-photo-viewer__layout {
  position: fixed;
  inset: 0;
  display: flex;
  z-index: 1001;
  background: var(--bg-primary);
}

.single-photo-viewer__main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.single-photo-viewer--with-sidebar .single-photo-viewer__header {
  position: static;
  padding: var(--space-4);
}

.single-photo-viewer--with-sidebar .single-photo-viewer__image-container {
  flex: 1;
  background: rgba(0, 0, 0, 0.9);
  border-radius: 0;
}

.single-photo-viewer__sidebar {
  width: 340px;
  min-width: 340px;
  background: var(--bg-surface);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

/* Sidebar panel styling */
.sidebar-panel {
  padding: var(--space-4);
}

.sidebar-panel__header {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-color);
}

.sidebar-panel__title {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.sidebar-panel__subtitle {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  margin-top: var(--space-1);
}

.sidebar-panel__section {
  margin-bottom: var(--space-5);
}

.sidebar-panel__section-header {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

/* Work categories controls in sidebar */
.sidebar-panel .work-categories__controls {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.sidebar-panel .work-categories__select-input {
  flex: 1;
  padding: var(--space-2);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.work-categories__add-btn {
  padding: var(--space-2) var(--space-3);
  background: var(--color-primary);
  border: none;
  border-radius: var(--border-radius);
  color: #000;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.work-categories__add-btn:hover {
  background: var(--color-secondary);
}

/* Work categories table grid */
.work-categories__table-grid {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.work-categories__table-grid th,
.work-categories__table-grid td {
  padding: var(--space-2);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.work-categories__table-grid th {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
}

.work-categories__cell-input {
  width: 100%;
  padding: var(--space-1) var(--space-2);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.work-categories__cell-input[readonly] {
  background: transparent;
  border-color: transparent;
  color: var(--text-primary);
}

.work-categories__cell-input[type="number"] {
  width: 80px;
  text-align: center;
}

.work-categories__remove {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.work-categories__remove:hover {
  color: var(--color-danger);
  background: rgba(239, 68, 68, 0.1);
}

.work-categories__empty {
  color: var(--text-muted);
  font-style: italic;
  padding: var(--space-3) 0;
}

.work-categories__status {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--space-2);
}

/* Responsive for smaller screens */
@media (max-width: 768px) {
  .single-photo-viewer__layout {
    flex-direction: column;
  }
  
  .single-photo-viewer__sidebar {
    width: 100%;
    min-width: 100%;
    max-height: 40vh;
    border-left: none;
    border-top: 1px solid var(--border-color);
  }
}

/* -------------------------
   12. Tables View
   ------------------------- */
.tables-view__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.tables-view__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.tables-view__actions .btn {
  white-space: nowrap;
}

.tables-view__tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-2);
}

.tab-btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border-radius: var(--border-radius-full);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-surface-elevated);
}

.tab-btn.active {
  color: #000;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  font-weight: 600;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* Tables builder layout */
.tables-workspace {
  display: grid;
  grid-template-columns: minmax(200px, 260px) 1fr;
  gap: var(--space-4);
  align-items: start;
}

.tables-sidebar {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 320px;
}

.tables-sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.tables-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.tables-list__item {
  text-align: left;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--border-radius);
  background: var(--bg-surface-elevated);
  border: 1px solid transparent;
  color: var(--text-primary);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.tables-list__item:hover {
  border-color: var(--color-primary);
}

.tables-list__item.is-active {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #000;
  font-weight: 600;
}

.tables-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
}

.tables-main__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.tables-main__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0;
}

.tables-main__meta {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.tables-main__actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.tables-auth {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.tables-auth__label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.tables-empty {
  padding: var(--space-6);
  text-align: center;
  color: var(--text-muted);
  background: var(--bg-surface);
  border: 1px dashed var(--border-color);
  border-radius: var(--border-radius-lg);
}

.data-table--editable td {
  padding: 0;
}

.data-table__input {
  width: 100%;
  border: none;
  background: transparent;
  padding: var(--space-2) var(--space-3);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.data-table__input:focus {
  outline: 2px solid rgba(56, 189, 248, 0.4);
  background: var(--bg-surface-elevated);
  border-radius: var(--border-radius-sm);
}

.auth-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  display: flex;
  justify-content: center;
}

.auth-panel__content {
  max-width: 420px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.auth-panel__title {
  font-size: var(--font-size-lg);
  margin: 0;
}

.auth-panel__subtitle {
  color: var(--text-muted);
  margin: 0;
}

.auth-panel__form {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
}

.auth-panel__input {
  flex: 1;
  min-width: 220px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.auth-panel__status {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  min-height: 1.2em;
  margin: 0;
}

/* Data cards (mobile-only, hidden by default on desktop) */
.data-cards {
  display: none;
}

.table-wrapper {
  overflow-x: auto;
  background: var(--bg-surface);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
}

/* Scrollable table container for facade tables */
.table-scroll-wrapper {
  overflow: auto;
  max-height: 70vh;
  max-width: 100%;
  background: var(--bg-surface);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  /* Ensure scrollbar visibility */
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

/* Facade data table specific styles */
.data-table--facade {
  min-width: max-content;
  border-collapse: separate;
  border-spacing: 0;
}

.data-table--facade th,
.data-table--facade td {
  white-space: nowrap;
}

.data-table--facade thead {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg-surface-elevated);
}

.data-table--facade .data-table__header-main th {
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.data-table--facade .data-table__header-sub th {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--text-muted);
  text-align: center;
  padding: var(--space-1) var(--space-2);
}

/* Location column - sticky left */
.data-table--facade .data-table__th--location,
.data-table--facade .data-table__td--location {
  position: sticky;
  left: 0;
  z-index: 5;
  background: var(--bg-surface-elevated);
  min-width: 80px;
  text-align: left;
}

.data-table--facade .data-table__td--location {
  background: var(--bg-surface);
}

.data-table--facade tbody tr:hover .data-table__td--location {
  background: rgba(0, 163, 255, 0.05);
}

/* Category column header */
.data-table--facade .data-table__th--category {
  min-width: 120px;
  border-left: 1px solid var(--border-color);
}

/* Est. sub-column - left side of category, with divider after */
.data-table--facade .data-table__th--est,
.data-table--facade .data-table__td--est {
  text-align: center;
  min-width: 50px;
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color-subtle);
}

/* Actual sub-column - right side of category */
.data-table--facade .data-table__th--actual,
.data-table--facade .data-table__td--actual {
  text-align: center;
  min-width: 50px;
}

/* Comments column */
.data-table--facade .data-table__th--comments,
.data-table--facade .data-table__td--comments {
  text-align: center;
  min-width: 80px;
  border-left: 1px solid var(--border-color);
}

/* Location link styling */
.location-link {
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: none;
}

.location-link:hover {
  text-decoration: underline;
}

/* Footer rows - SubTotal and Total */
.data-table--facade tfoot {
  background: var(--bg-surface-elevated);
  font-weight: 600;
}

.data-table--facade tfoot td {
  border-top: 2px solid var(--border-color);
}

.data-table__row--subtotal td {
  background: rgba(0, 163, 255, 0.08);
}

.data-table__row--total td {
  background: rgba(0, 163, 255, 0.15);
}

.data-table__td--label {
  font-weight: 700;
  color: var(--color-primary);
}

.data-table__td--subtotal {
  font-weight: 600;
}

.data-table__td--total {
  text-align: center;
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--font-size-base);
}

/* Summary block at top of tables */
.tables-summary {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.tables-summary__row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.tables-summary__row--subtotal {
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-color);
}

.tables-summary__row--total {
  padding-top: var(--space-2);
}

.tables-summary__label {
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  min-width: 80px;
}

.tables-summary__values {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.tables-summary__category {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-surface-elevated);
  border-radius: var(--border-radius);
  min-width: 100px;
}

.tables-summary__cat-name {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.tables-summary__cat-value {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
}

.tables-summary__grand-total {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  padding: var(--space-2) var(--space-4);
  background: linear-gradient(135deg, rgba(0, 163, 255, 0.15) 0%, rgba(0, 130, 204, 0.1) 100%);
  border-radius: var(--border-radius);
}

.tables-summary__input-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.data-table__input--percent {
  width: 80px;
  text-align: right;
  /* Remove spinners */
  appearance: textfield;
  -moz-appearance: textfield;
}

.data-table__input--percent::-webkit-outer-spin-button,
.data-table__input--percent::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.input-suffix {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-secondary);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.data-table th,
.data-table td {
  padding: var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background: var(--bg-surface-elevated);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.data-table tbody tr:hover {
  background: rgba(0, 163, 255, 0.05);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.table-link {
  color: var(--color-primary);
  font-weight: 500;
}

.table-link:hover {
  text-decoration: underline;
}

.table-empty {
  color: var(--text-muted);
  padding: var(--space-6);
  text-align: center;
  font-style: italic;
}

/* Table cell types */
.cell-notes,
.cell-description,
.cell-comment {
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cell-number,
.cell-currency {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.cell-currency {
  white-space: nowrap;
}

/* Table footer */
.data-table tfoot td {
  background: var(--bg-surface-elevated);
  font-weight: 600;
}

.table-footer-label {
  text-align: right;
}

.table-footer-total {
  color: var(--color-primary);
}

/* Status Badges */
.status-badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: 12px;
  white-space: nowrap;
}

.status--not-started {
  background: rgba(209, 213, 219, 0.2);
  color: var(--status-not-started);
}

.status--documented {
  background: rgba(251, 146, 60, 0.2);
  color: var(--status-documented);
}

.status--priced {
  background: rgba(56, 189, 248, 0.2);
  color: var(--status-priced);
}

.status--complete {
  background: rgba(74, 222, 128, 0.2);
  color: var(--status-complete);
}

/* Work Type Tags */
.work-type-tag {
  display: inline-block;
  padding: 2px 6px;
  font-size: var(--font-size-xs);
  background: var(--bg-surface-elevated);
  border-radius: 4px;
  margin-right: 4px;
  margin-bottom: 2px;
  color: var(--text-secondary);
}

/* Comments Section (Tables View) */
.comments-section {
  margin-bottom: var(--space-4);
}

.comments-section--general {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--space-4);
}

.comments-section__title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--space-3) 0;
}

.comments-section__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.comments-section__empty {
  color: var(--text-muted);
  font-style: italic;
  padding: var(--space-2) 0;
}

.comment-item {
  padding: var(--space-3);
  background: var(--bg-surface-elevated);
  border-radius: var(--border-radius-lg);
  border-left: 3px solid var(--color-primary);
}

.comment-item__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.comment-item__author {
  font-weight: 600;
  color: var(--text-primary);
}

.comment-item__date {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.comment-item__text {
  margin: 0;
  color: #f97316;
}

.comment-item__delete {
  margin-left: auto;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.comment-item__delete:hover {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
}

.comment-item__delete svg {
  width: 16px;
  height: 16px;
}

/* General comment form */
.general-comment-form {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
}

.general-comment-form__input {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  background: #2a2a2a;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-family: inherit;
  resize: vertical;
  min-height: 60px;
}

.general-comment-form__input::placeholder {
  color: var(--text-muted);
}

.general-comment-form__input:focus {
  outline: 2px solid rgba(56, 189, 248, 0.4);
  border-color: var(--color-primary);
}

/* Comments table specific styles */
.data-table--comments .data-table__td--location a {
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: none;
}

.data-table--comments .data-table__td--location a:hover {
  text-decoration: underline;
}

.data-table--comments .data-table__td--comment {
  color: #f97316;
  max-width: 400px;
}

.data-table--comments .data-table__td--author {
  white-space: nowrap;
}

.data-table--comments .data-table__td--date {
  white-space: nowrap;
  color: var(--text-muted);
}

/* Tags */
.tag {
  display: inline-block;
  padding: 2px 6px;
  font-size: var(--font-size-xs);
  background: rgba(0, 163, 255, 0.15);
  color: var(--color-primary);
  border-radius: var(--border-radius-full);
  margin-right: 4px;
}

/* Scope badge */
.scope-global {
  display: inline-block;
  padding: 2px 8px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  background: rgba(14, 165, 233, 0.2);
  color: var(--color-warning);
  border-radius: 4px;
}

/* Badge */
.badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: var(--font-size-xs);
  border-radius: 4px;
  margin-left: var(--space-2);
}

.badge--warning {
  background: rgba(14, 165, 233, 0.2);
  color: var(--color-warning);
}

/* -------------------------
   13. Admin Tools
   ------------------------- */
.admin-embed {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background: var(--bg-surface);
  overflow: hidden;
  min-height: 70vh;
}

.admin-embed__frame {
  width: 100%;
  height: 75vh;
  border: 0;
  display: block;
}

/* Responsive tables and decorations */
@media (max-width: 767px) {
  .decorations-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-3);
  }
  
  .tables-view__tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: var(--space-3);
    -webkit-overflow-scrolling: touch;
  }

  .tables-view__header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .tab-btn {
    flex-shrink: 0;
    white-space: nowrap;
  }
  
  .tables-workspace {
    grid-template-columns: 1fr;
  }

  .tables-sidebar {
    order: 2;
  }

  .tables-main__actions {
    width: 100%;
    justify-content: flex-start;
  }

  .table-wrapper {
    display: block;
  }

  .data-table {
    min-width: 640px;
  }

  /* Card-based layout for legacy tables */
  .data-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .data-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--space-4);
    transition: border-color var(--transition-fast);
  }

  .data-card:active {
    border-color: var(--color-primary);
  }

  .data-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--border-color-subtle);
  }

  .data-card__title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
  }

  .data-card__title a {
    color: var(--color-primary);
  }

  .data-card__body {
    display: grid;
    gap: var(--space-2);
  }

  .data-card__row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .data-card__label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    flex-shrink: 0;
  }

  .data-card__value {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    text-align: right;
  }

  .data-card__footer {
    margin-top: var(--space-3);
    padding-top: var(--space-2);
    border-top: 1px solid var(--border-color-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .data-card__total {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
  }

  /* Summary card for totals */
  .data-cards__summary {
    background: linear-gradient(135deg, rgba(0, 163, 255, 0.1) 0%, rgba(0, 130, 204, 0.05) 100%);
    border: 1px solid var(--color-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--space-4);
    margin-top: var(--space-3);
    text-align: center;
  }

  .data-cards__summary-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-1);
  }

  .data-cards__summary-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
  }
}

/* ---- EXTRA SMALL BREAKPOINT (≤479px) ---- */
@media (max-width: 479px) {
  /* Header */
  .header {
    padding: 0 var(--space-2);
  }

  .header__title {
    font-size: var(--font-size-base);
  }

  /* Main content - less padding */
  .main {
    padding: var(--space-3);
  }

  /* Landing view adjustments */
  .landing-view__3d-container {
    aspect-ratio: 1 / 1;
    max-width: 100%;
  }

  .landing-view__stats {
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-3);
  }

  .landing-stat {
    flex-direction: row;
    justify-content: center;
    gap: var(--space-3);
  }

  .landing-view__actions {
    flex-direction: column;
    width: 100%;
  }

  .landing-view__actions .btn {
    width: 100%;
  }

  /* Facade view */
  .facade-controls .btn {
    width: 100%;
  }

  /* Decorations - 2 columns */
  .decorations-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
  }

  .decoration-card__info {
    padding: var(--space-2);
  }

  .decoration-card__id {
    font-size: var(--font-size-xs);
  }

  /* Tables - full-width cards */
  .data-card {
    padding: var(--space-3);
  }

  .data-card__row {
    flex-direction: column;
    gap: var(--space-1);
  }

  .data-card__value {
    text-align: left;
  }

  /* Buttons */
  .btn {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-xs);
  }

  .btn--lg {
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
  }

  /* Gallery carousel */
  .gallery-carousel__nav {
    width: 48px;
    height: 48px;
  }

  .gallery-thumbnail {
    width: 80px;
    height: 60px;
  }
}

/* Landscape orientation for phones */
@media (max-width: 767px) and (orientation: landscape) {
  .landing-view__3d-container {
    aspect-ratio: 16 / 9;
    max-height: 50vh;
  }

  .detail-panel {
    width: 50%;
  }
}

/* -------------------------
   Mobile Portrait - Additional Optimizations
   ------------------------- */
@media (max-width: 480px) and (orientation: portrait) {
  /* Tables View optimizations */
  .tables-view__table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 calc(-1 * var(--space-4));
    padding: 0 var(--space-4);
  }

  .tables-view table {
    font-size: var(--font-size-xs);
  }

  .tables-view th,
  .tables-view td {
    padding: var(--space-2);
    white-space: nowrap;
  }

  /* Prevent iOS zoom on input focus */
  input, textarea, select {
    font-size: 16px !important;
  }

  /* Optimize decorations grid for portrait */
  .decorations-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
  }

  .decoration-card__info {
    padding: var(--space-2);
  }

  .decoration-card__id {
    font-size: var(--font-size-xs);
  }

  .decoration-card__location,
  .decoration-card__size {
    font-size: 10px;
  }

  /* Single photo viewer - full screen on mobile */
  .single-photo-viewer__content {
    width: 100vw;
    height: 100vh;
    border-radius: 0;
  }

  .single-photo-viewer__header {
    border-radius: 0;
    padding: var(--space-3);
  }

  .single-photo-viewer__id {
    font-size: var(--font-size-lg);
  }

  /* Pill buttons mobile sizing */
  .view__nav-btn {
    min-width: 90px;
    font-size: var(--font-size-xs);
    padding: var(--space-2) var(--space-3);
  }

  /* Optimize 3D model performance */
  .three-container canvas {
    will-change: transform;
  }
}

/* -------------------------
   Touch-friendly Global Enhancements
   ------------------------- */
@media (hover: none) and (pointer: coarse) {
  /* Remove hover effects that cause sticky states on touch */
  .detail-gallery__btn:hover,
  .view__nav-btn:hover {
    transform: none;
  }

  /* Ensure minimum touch target sizes */
  button, 
  a, 
  [role="button"],
  input[type="checkbox"],
  input[type="radio"] {
    min-height: 44px;
    min-width: 44px;
  }

  /* Faster tap response */
  * {
    -webkit-tap-highlight-color: transparent;
  }
}