:root {
  --bg-0: #0a0a0c;
  --bg-1: #101014;
  --bg-2: #16161c;
  --bg-3: #1e1e26;
  --line: #2a2a34;
  --text-0: #f4f4f6;
  --text-1: #b8b8c4;
  --text-2: #6e6e7a;
  --accent: #d4a964;
  --accent-soft: rgba(212, 169, 100, 0.14);
  --accent-line: rgba(212, 169, 100, 0.35);
  --ikea: #ffda1a;
  --amazon: #ff9900;
  --sharafdg: #e30613;
  --panhome: #00a79d;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  --sidebar-w: 360px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-0);
  color: var(--text-0);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

#app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  height: 100vh;
  width: 100vw;
}

.sidebar {
  background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 100%);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.brand {
  padding: 24px 24px 20px;
  border-bottom: 1px solid var(--line);
}
.logo-row { display: flex; align-items: center; gap: 10px; }
.logo {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  letter-spacing: 2px;
  font-size: 22px;
  background: linear-gradient(135deg, var(--accent) 0%, #b58a4a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.logo-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}
.tagline {
  margin-top: 6px;
  color: var(--text-2);
  font-size: 11px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.editor-bar {
  position: relative;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.editor-btn {
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--text-0);
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s;
  font-family: inherit;
  letter-spacing: 0.3px;
}
.editor-btn:hover {
  border-color: var(--accent-line);
  color: var(--accent);
}
.editor-btn.primary {
  background: var(--accent-soft);
  border-color: var(--accent-line);
  color: var(--accent);
  font-weight: 600;
}
.editor-btn.primary.active {
  background: var(--accent);
  color: var(--bg-0);
  box-shadow: 0 0 18px rgba(212, 169, 100, 0.35);
}
.editor-btn.subtle { color: var(--text-2); }
.editor-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.add-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 24px;
  right: 24px;
  max-height: 320px;
  overflow-y: auto;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 50;
  display: none;
  padding: 6px;
}
.add-menu.open { display: block; animation: addMenuIn 0.2s ease-out; }
@keyframes addMenuIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.add-menu::-webkit-scrollbar { width: 6px; }
.add-menu::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 3px; }

.add-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  width: 100%;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-0);
  font-family: inherit;
  font-size: 12px;
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.15s;
}
.add-item:hover {
  background: var(--bg-2);
  border-color: var(--accent-line);
}
.add-item-icon {
  width: 30px; height: 30px;
  background: var(--bg-3);
  border-radius: 6px;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
}
.add-item-label {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.add-item-name {
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.add-item-cat { font-size: 10px; color: var(--text-2); }
.add-empty {
  padding: 16px;
  color: var(--text-2);
  font-size: 12px;
  text-align: center;
}

.edit-hint {
  position: absolute;
  top: 80px;
  right: 20px;
  background: rgba(10, 10, 12, 0.82);
  backdrop-filter: blur(12px);
  border: 1px solid var(--accent-line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  z-index: 6;
  display: none;
  flex-direction: column;
  gap: 6px;
  animation: fadeIn 0.3s ease-out;
}
.edit-hint.visible { display: flex; }
.edit-hint-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text-1);
  letter-spacing: 0.3px;
}
.edit-kbd {
  font-family: 'JetBrains Mono', monospace;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  min-width: 36px;
  text-align: center;
}

.selection-panel {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(14px);
  border: 1px solid var(--accent-line);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  z-index: 6;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  min-width: 240px;
  text-align: center;
}
.selection-panel.visible { opacity: 1; }
.sel-label {
  font-size: 10px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-2);
}
.sel-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin: 2px 0;
}
.sel-mode {
  font-size: 10px;
  color: var(--text-2);
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

body.editor-active .stage { box-shadow: inset 0 0 0 2px var(--accent-line); }

.editor-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: var(--accent);
  color: var(--bg-0);
  padding: 10px 20px;
  border-radius: 24px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  z-index: 300;
  box-shadow: 0 12px 40px rgba(212, 169, 100, 0.3);
}
.editor-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.layout-picker {
  padding: 18px 24px 18px;
  border-bottom: 1px solid var(--line);
}
.layout-picker-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}
.layout-label {
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-2);
}
.layout-current {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
}
.layout-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.layout-btn {
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--text-1);
  padding: 10px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transition: all 0.2s;
  font-family: inherit;
}
.layout-btn:hover {
  border-color: var(--accent-line);
  transform: translateY(-1px);
  color: var(--text-0);
}
.layout-btn.active {
  background: var(--accent-soft);
  border-color: var(--accent-line);
  color: var(--accent);
  box-shadow: 0 0 16px rgba(212, 169, 100, 0.15);
}
.layout-btn-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.layout-btn-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  color: var(--text-2);
  letter-spacing: 0.5px;
}
.layout-btn.active .layout-btn-sub { color: var(--accent); opacity: 0.7; }

.budget {
  padding: 20px 24px 18px;
  border-bottom: 1px solid var(--line);
}
.budget-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}
.budget-label {
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-2);
}
.budget-total {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 18px;
  color: var(--text-0);
}
.budget-bar {
  height: 6px;
  background: var(--bg-3);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}
.budget-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent) 0%, #e8c78a 100%);
  width: 0;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 10px var(--accent-soft);
}
.budget-fill.over {
  background: linear-gradient(90deg, #e05050 0%, #ff7070 100%);
}
.budget-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-2);
  font-family: 'JetBrains Mono', monospace;
}

.filter-row {
  padding: 14px 24px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
}
.chip {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text-1);
  padding: 5px 11px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.3px;
}
.chip:hover { border-color: var(--accent-line); color: var(--text-0); }
.chip.active {
  background: var(--accent-soft);
  border-color: var(--accent-line);
  color: var(--accent);
}

.items {
  flex: 1;
  overflow-y: auto;
  padding: 8px 12px 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-3) transparent;
}
.items::-webkit-scrollbar { width: 6px; }
.items::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 3px; }

.item-card {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.2s;
  border: 1px solid transparent;
  margin: 2px 0;
}
.item-card:hover {
  background: var(--bg-2);
  border-color: var(--line);
  transform: translateX(2px);
}
.item-card.active {
  background: var(--accent-soft);
  border-color: var(--accent-line);
}
.item-thumb {
  width: 38px; height: 38px;
  border-radius: 6px;
  background: var(--bg-3);
  display: grid;
  place-items: center;
  font-size: 18px;
  flex-shrink: 0;
  position: relative;
}
.item-thumb::after {
  content: '';
  position: absolute;
  bottom: -2px; right: -2px;
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 2px solid var(--bg-1);
}
.item-thumb.vendor-ikea::after { background: var(--ikea); }
.item-thumb.vendor-amazon::after { background: var(--amazon); }
.item-thumb.vendor-sharafdg::after { background: var(--sharafdg); }
.item-thumb.vendor-panhome::after { background: var(--panhome); }

.item-meta { flex: 1; min-width: 0; }
.item-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-0);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.item-sub {
  font-size: 11px;
  color: var(--text-2);
  margin-top: 2px;
  letter-spacing: 0.2px;
}
.item-price {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
}

.controls-hint {
  padding: 14px 24px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}
.hint-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: var(--text-2);
  letter-spacing: 0.3px;
}
kbd {
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 9px;
  color: var(--text-1);
}

.stage {
  position: relative;
  background: radial-gradient(ellipse at center, #18181f 0%, #08080a 100%);
  overflow: hidden;
}
#canvas-container { position: absolute; inset: 0; }
#canvas-container canvas { display: block; }

.top-bar {
  position: absolute;
  top: 20px;
  left: 20px;
  right: 20px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  pointer-events: none;
  z-index: 5;
}
.room-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: rgba(10, 10, 12, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
}
.dim-label {
  font-size: 10px;
  color: var(--text-2);
  letter-spacing: 1.2px;
  text-transform: uppercase;
}
.dim-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-0);
}
.hover-label {
  background: rgba(10, 10, 12, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.2s;
}
.hover-label.visible { opacity: 1; }

.view-buttons {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 4px;
  background: rgba(10, 10, 12, 0.75);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  padding: 5px;
  border-radius: 30px;
  z-index: 5;
}
.view-buttons button {
  background: transparent;
  border: none;
  color: var(--text-1);
  padding: 8px 16px;
  border-radius: 22px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.view-buttons button:hover { color: var(--text-0); }
.view-buttons button.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.legend {
  position: absolute;
  bottom: 20px;
  right: 20px;
  display: flex;
  gap: 14px;
  background: rgba(10, 10, 12, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  z-index: 5;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: var(--text-1);
  letter-spacing: 0.3px;
}
.dot { width: 7px; height: 7px; border-radius: 50%; }
.dot-ikea { background: var(--ikea); }
.dot-amazon { background: var(--amazon); }
.dot-sharafdg { background: var(--sharafdg); }
.dot-panhome { background: var(--panhome); }

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  animation: fadeIn 0.25s ease-out;
}
.modal[hidden] { display: none; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}
.modal-content {
  position: relative;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  width: min(720px, 92vw);
  max-height: 90vh;
  overflow: hidden;
  display: grid;
  grid-template-columns: 280px 1fr;
  box-shadow: var(--shadow);
  animation: slideUp 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--line);
  color: var(--text-0);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
  transition: all 0.2s;
}
.modal-close:hover {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent-line);
}

.modal-visual {
  background: linear-gradient(135deg, var(--bg-2) 0%, var(--bg-3) 100%);
  display: grid;
  place-items: center;
  font-size: 100px;
  color: var(--accent);
  padding: 24px;
  border-right: 1px solid var(--line);
}
.modal-body {
  padding: 28px 28px 24px;
  overflow-y: auto;
}
.modal-vendor-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}
.modal-vendor, .modal-cat {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 4px;
}
.modal-vendor { color: var(--accent); background: var(--accent-soft); }
.modal-cat { color: var(--text-2); background: var(--bg-3); }

.modal-body h2 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.2;
}
.modal-price {
  font-family: 'JetBrains Mono', monospace;
  font-size: 20px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 14px;
}
.modal-desc {
  color: var(--text-1);
  font-size: 13px;
  margin-bottom: 16px;
  line-height: 1.6;
}
.modal-specs {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 22px;
  padding: 12px;
  background: var(--bg-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}
.spec-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
}
.spec-row span:first-child { color: var(--text-2); }
.spec-row span:last-child { color: var(--text-0); }

.modal-actions { display: flex; gap: 8px; }
.btn-primary, .btn-secondary {
  padding: 11px 18px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 13px;
  text-decoration: none;
  transition: all 0.2s;
  text-align: center;
  font-family: inherit;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg-0);
  flex: 1;
}
.btn-primary:hover { background: #e8c78a; transform: translateY(-1px); }
.btn-secondary {
  background: transparent;
  color: var(--text-1);
  border: 1px solid var(--line);
}
.btn-secondary:hover { border-color: var(--accent-line); color: var(--accent); }

.loader {
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at center, #141419 0%, #07070a 100%);
  display: grid;
  place-items: center;
  z-index: 200;
  transition: opacity 0.7s cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0.7s;
}
.loader::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(212, 169, 100, 0.08), transparent 40%),
    radial-gradient(circle at 70% 60%, rgba(110, 140, 220, 0.06), transparent 45%);
}
.loader.hidden { opacity: 0; visibility: hidden; }
.loader-inner {
  position: relative;
  text-align: center;
  animation: loaderBreath 3s ease-in-out infinite;
}
@keyframes loaderBreath {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}
.loader-mark {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 44px;
  letter-spacing: 10px;
  background: linear-gradient(135deg, #f0d49e 0%, #d4a964 50%, #a37f4a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 8px;
  filter: drop-shadow(0 0 20px rgba(212, 169, 100, 0.3));
}
.loader-sub {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 28px;
  min-height: 14px;
  transition: opacity 0.3s;
}
.loader-bar {
  width: 240px;
  height: 2px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 1px;
  overflow: hidden;
  margin: 0 auto;
  position: relative;
}
.loader-fill {
  height: 100%;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 20%, #f0d49e 50%, var(--accent) 80%, transparent 100%);
  width: 0;
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 18px rgba(212, 169, 100, 0.5);
}
.loader-pct {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text-2);
  margin-top: 10px;
}

@media (max-width: 900px) {
  :root { --sidebar-w: 280px; }
  .modal-content { grid-template-columns: 1fr; }
  .modal-visual { display: none; }
}
@media (max-width: 640px) {
  #app { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .sidebar { max-height: 40vh; }
  .view-buttons button { padding: 6px 10px; font-size: 11px; }
  .legend { display: none; }
}