/* === Perspectives — DCC dark UI === */

:root {
  --bg-deep: #0b0b0c;
  --bg-base: #141416;
  --bg-elevated: #1b1b1e;
  --bg-panel: #1f1f23;
  --bg-hover: #26262b;
  --bg-active: #2e2e34;
  --border: #2a2a30;
  --border-strong: #3a3a42;
  --text-primary: #ebebed;
  --text-secondary: #8a8a92;
  --text-tertiary: #56565d;
  --text-disabled: #3a3a40;
  --accent: oklch(0.78 0.15 75);
  --accent-dim: oklch(0.78 0.15 75 / 0.15);
  --accent-hover: oklch(0.82 0.16 75);
  --accent-text: #1a1208;
  --danger: oklch(0.66 0.2 25);
  --warning: oklch(0.76 0.14 75);
  --success: oklch(0.72 0.14 145);
  --info: oklch(0.72 0.12 230);

  --r-sm: 4px;
  --r-md: 6px;
  --r-lg: 10px;

  --sans: "DM Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

[data-theme="light"] {
  --bg-deep: #f2f1ec;
  --bg-base: #fafaf7;
  --bg-elevated: #f3f2ed;
  --bg-panel: #ffffff;
  --bg-hover: #ebeae5;
  --bg-active: #e2e1db;
  --border: #d8d7d1;
  --border-strong: #b8b7b1;
  --text-primary: #1a1a1c;
  --text-secondary: #6a6a70;
  --text-tertiary: #9c9b95;
  --text-disabled: #c8c7c1;
  --accent: oklch(0.62 0.16 65);
  --accent-dim: oklch(0.62 0.16 65 / 0.12);
  --accent-hover: oklch(0.58 0.17 65);
  --accent-text: #ffffff;
  --warning: oklch(0.62 0.14 75);
  --grid-line: rgba(0,0,0,0.03);
  --hud-bg: rgba(255,255,255,0.85);
  --overlay-backdrop: rgba(255,255,255,0.65);
  --canvas-frame-bg: #ebeae3;
}
:root {
  --grid-line: rgba(255,255,255,0.012);
  --hud-bg: rgba(20,20,22,0.75);
  --overlay-backdrop: rgba(11,11,12,0.7);
  --canvas-frame-bg: #2a2a2e;
}

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

html, body, #root {
  height: 100%;
  overflow: hidden;
}

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.005em;
}

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

input, select, textarea {
  font-family: inherit;
  background: none;
  border: none;
  color: inherit;
  outline: none;
}

::selection { background: var(--accent-dim); color: var(--text-primary); }

/* === scrollbars === */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 5px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); background-clip: padding-box; }

/* === utility text classes === */
.mono { font-family: var(--mono); font-feature-settings: "ss01" on, "ss02" on; }
.label-eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  text-transform: uppercase;
  font-weight: 500;
}
.dim { color: var(--text-secondary); }
.dimmer { color: var(--text-tertiary); }

/* === Home === */
.home {
  height: 100%;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background:
    radial-gradient(60% 50% at 50% 30%, oklch(0.78 0.15 75 / 0.04), transparent 70%),
    var(--bg-deep);
}
.home-top {
  height: 56px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 24px;
  background: var(--bg-base);
}
.home-logo {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.home-nav {
  display: flex;
  gap: 4px;
  margin-left: auto;
  align-items: center;
}
.home-nav-item {
  padding: 6px 12px;
  border-radius: var(--r-sm);
  color: var(--text-secondary);
  font-size: 12px;
}
.home-nav-item:hover { background: var(--bg-elevated); color: var(--text-primary); }
.home-nav-item.active { color: var(--text-primary); }

.home-center {
  display: grid;
  grid-template-columns: 1fr;
  align-content: center;
  padding: 48px 48px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  gap: 48px;
  overflow-y: auto;
}
.home-hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: end;
}
.home-hero h1 {
  font-size: 48px;
  line-height: 1.02;
  font-weight: 500;
  letter-spacing: -0.025em;
  max-width: 720px;
}
.home-hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.home-hero p {
  color: var(--text-secondary);
  font-size: 14px;
  max-width: 360px;
  text-align: right;
  line-height: 1.5;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.section-label .label-eyebrow { font-size: 11px; }
.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* tool grid */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.tool-card {
  background: var(--bg-base);
  padding: 32px 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: center;
  text-align: center;
  transition: background 0.4s;
  min-height: 240px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  --mx: 50%;
  --my: 50%;
}
/* spotlight that follows the cursor */
.tool-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    600px circle at var(--mx) var(--my),
    oklch(0.78 0.15 75 / 0.10) 0%,
    oklch(0.78 0.15 75 / 0.04) 25%,
    transparent 55%
  );
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
  z-index: 0;
}
/* secondary tight highlight */
.tool-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    220px circle at var(--mx) var(--my),
    oklch(0.88 0.14 75 / 0.06) 0%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: screen;
}
.tool-card > * { position: relative; z-index: 2; }
.tool-card:hover {
  background: var(--bg-base);
}
.tool-card:hover::before { opacity: 1; }
.tool-card:hover::after { opacity: 1; }
.tool-card .tool-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--accent);
  transition: border-color 0.3s, transform 0.35s ease, box-shadow 0.4s;
}
.tool-card:hover .tool-icon {
  border-color: oklch(0.78 0.15 75 / 0.6);
  transform: translateY(-1px);
  box-shadow: 0 0 14px oklch(0.78 0.15 75 / 0.18);
}

/* === Relight icon — animated rays on hover === */
.icon-relight .ray {
  transform-origin: 8px 8px;
  transform-box: view-box;
}
.tool-card:hover .icon-relight .sun-core {
  animation: sunCoreGlow 2.4s ease-in-out infinite;
  transform-origin: 8px 8px;
  transform-box: view-box;
}
.tool-card:hover .icon-relight .ray {
  animation: rayTwinkle 1.6s ease-in-out infinite;
}
.tool-card:hover .icon-relight .r1 { animation-delay: 0s; }
.tool-card:hover .icon-relight .r5 { animation-delay: 0.2s; }
.tool-card:hover .icon-relight .r4 { animation-delay: 0.4s; }
.tool-card:hover .icon-relight .r8 { animation-delay: 0.6s; }
.tool-card:hover .icon-relight .r2 { animation-delay: 0.8s; }
.tool-card:hover .icon-relight .r6 { animation-delay: 1.0s; }
.tool-card:hover .icon-relight .r3 { animation-delay: 1.2s; }
.tool-card:hover .icon-relight .r7 { animation-delay: 1.4s; }

@keyframes rayTwinkle {
  0%, 100% { opacity: 0.55; transform: scale(1); filter: none; }
  50%      { opacity: 1;    transform: scale(1.25); filter: drop-shadow(0 0 2px oklch(0.85 0.16 75)); }
}
@keyframes sunCoreGlow {
  0%, 100% { filter: drop-shadow(0 0 0 oklch(0.85 0.16 75 / 0)); transform: scale(1); }
  50%      { filter: drop-shadow(0 0 4px oklch(0.85 0.16 75 / 0.85)); transform: scale(1.08); }
}

/* === Vegetation icon — leaves sway gently on hover === */
.icon-veg .veg-leaf-left,
.icon-veg .veg-leaf-right {
  transform-box: view-box;
  transform-origin: 8px 7px;
  transition: transform 0.6s ease;
}
.tool-card:hover .icon-veg .veg-leaf-left {
  animation: leafSwayL 3.2s ease-in-out infinite;
}
.tool-card:hover .icon-veg .veg-leaf-right {
  animation: leafSwayR 3.2s ease-in-out infinite;
}
@keyframes leafSwayL {
  0%, 100% { transform: rotate(0deg) scale(1); }
  50%      { transform: rotate(-3deg) scale(1.04); }
}
@keyframes leafSwayR {
  0%, 100% { transform: rotate(0deg) scale(1); }
  50%      { transform: rotate(3deg) scale(1.04); }
}

/* === Characters icon — gentle walk/breathe on hover === */
.icon-char .char-head {
  transform-box: view-box;
  transform-origin: 8px 4.5px;
  transition: transform 0.3s ease;
}
.icon-char .char-body {
  transform-box: view-box;
  transform-origin: 8px 14px;
  transition: transform 0.3s ease;
}
.tool-card:hover .icon-char .char-head {
  animation: charBob 1.4s ease-in-out infinite;
}
.tool-card:hover .icon-char .char-body {
  animation: charBreath 1.4s ease-in-out infinite;
}
@keyframes charBob {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25%      { transform: translateY(-0.4px) rotate(-3deg); }
  50%      { transform: translateY(-0.6px) rotate(0deg); }
  75%      { transform: translateY(-0.4px) rotate(3deg); }
}
@keyframes charBreath {
  0%, 100% { transform: scaleY(1); }
  50%      { transform: scaleY(0.96); }
}

/* === Materials icon — squares cycle fill on hover === */
.icon-mat .mat-sq {
  transform-box: view-box;
  transition: fill 0.3s;
}
.tool-card:hover .icon-mat .mat-sq {
  animation: matFlash 2.4s ease-in-out infinite;
}
.tool-card:hover .icon-mat .m1 { animation-delay: 0s; }
.tool-card:hover .icon-mat .m2 { animation-delay: 0.3s; }
.tool-card:hover .icon-mat .m4 { animation-delay: 0.6s; }
.tool-card:hover .icon-mat .m3 { animation-delay: 0.9s; }
@keyframes matFlash {
  0%, 70%, 100% { fill: transparent; }
  20%           { fill: oklch(0.78 0.15 75 / 0.45); }
}

/* === Previews icon — sun pulses, mountain shimmers === */
.icon-prev .prev-sun {
  transform-box: view-box;
  transform-origin: 11px 5px;
}
.tool-card:hover .icon-prev .prev-sun {
  animation: prevSunPulse 1.8s ease-in-out infinite;
}
.tool-card:hover .icon-prev .prev-mount {
  stroke-dasharray: 16;
  animation: prevMountSweep 2.4s linear infinite;
}
@keyframes prevSunPulse {
  0%, 100% { transform: scale(1); filter: none; }
  50%      { transform: scale(1.3); filter: drop-shadow(0 0 2px oklch(0.85 0.16 75)); }
}
@keyframes prevMountSweep {
  0%   { stroke-dashoffset: 16; opacity: 0.6; }
  50%  { stroke-dashoffset: 0;  opacity: 1; }
  100% { stroke-dashoffset: -16; opacity: 0.6; }
}
.tool-card .tool-title {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.015em;
}
.tool-card .tool-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.55;
  flex: 1;
  max-width: 240px;
}
.tool-card .tool-meta {
  display: flex;
  gap: 12px;
  justify-content: center;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.tool-card:hover .tool-meta { color: var(--text-secondary); }
.tool-card .tool-arrow { display: none; }

/* recent projects */
.recents {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.recent-card {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--bg-base);
  text-align: left;
  display: flex;
  flex-direction: column;
  transition: border-color 0.12s;
}
.recent-card:hover { border-color: var(--border-strong); }
.recent-thumb {
  aspect-ratio: 16 / 10;
  background: var(--bg-elevated);
  position: relative;
  overflow: hidden;
}
.recent-meta {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.recent-meta .name { font-size: 12px; font-weight: 500; }
.recent-meta .sub { font-family: var(--mono); font-size: 10px; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.06em; }

.home-bottom {
  border-top: 1px solid var(--border);
  height: 32px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 16px;
  background: var(--bg-base);
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.home-bottom .sep { color: var(--text-disabled); }
.home-bottom .pulse { display: inline-block; width: 6px; height: 6px; background: var(--success); border-radius: 50%; box-shadow: 0 0 0 0 var(--success); animation: pulse 2.4s infinite; vertical-align: middle; margin-right: 6px; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 oklch(0.72 0.14 145 / 0.5); }
  70% { box-shadow: 0 0 0 6px oklch(0.72 0.14 145 / 0); }
  100% { box-shadow: 0 0 0 0 oklch(0.72 0.14 145 / 0); }
}

/* === Upload === */
.upload {
  height: 100%;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: var(--bg-deep);
}
.upload-center {
  display: grid;
  place-items: center;
  padding: 32px;
}
.upload-drop {
  width: min(720px, 100%);
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--r-lg);
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
  background: var(--bg-base);
  transition: border-color 0.15s, background 0.15s;
  cursor: pointer;
}
.upload-drop:hover, .upload-drop.dragging {
  border-color: var(--accent);
  background: var(--bg-elevated);
}
.upload-drop h2 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
}
.upload-drop p {
  color: var(--text-secondary);
  font-size: 13px;
  max-width: 380px;
  line-height: 1.55;
}
.upload-formats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.upload-formats .chip {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-secondary);
}
.upload-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

/* === Workspace === */
.workspace {
  height: 100%;
  display: grid;
  grid-template-rows: 48px 1fr 28px;
  grid-template-columns: 56px 320px 1fr;
  grid-template-areas:
    "top top top"
    "side panel canvas"
    "status status status";
  background: var(--bg-deep);
}

/* topbar */
.topbar {
  grid-area: top;
  border-bottom: 1px solid var(--border);
  background: var(--bg-base);
  display: flex;
  align-items: center;
  padding: 0 12px 0 10px;
  gap: 10px;
}
.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.topbar-right { margin-left: auto; }
.topbar-center {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-secondary);
}
.topbar-center .project-name {
  color: var(--text-primary);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  background: none;
  padding: 4px 8px;
  border-radius: var(--r-sm);
  width: 200px;
  min-width: 0;
}
.topbar-center .project-name:hover { background: var(--bg-elevated); }
.topbar-center .project-name:focus { background: var(--bg-elevated); }
.topbar-divider {
  width: 1px;
  height: 18px;
  background: var(--border);
}
.icon-btn {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: var(--r-sm);
  color: var(--text-secondary);
  transition: background 0.12s, color 0.12s;
  position: relative;
}
.icon-btn:hover { background: var(--bg-elevated); color: var(--text-primary); }
.icon-btn.active { background: var(--bg-active); color: var(--accent); }
.icon-btn[disabled] { color: var(--text-disabled); cursor: not-allowed; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: var(--r-sm);
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-primary);
  transition: background 0.12s, border-color 0.12s, color 0.12s;
  white-space: nowrap;
  height: 28px;
}
.btn:hover { background: var(--bg-hover); border-color: var(--border-strong); }
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
}
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.ghost {
  background: none;
  border-color: transparent;
  color: var(--text-secondary);
}
.btn.ghost:hover { background: var(--bg-elevated); color: var(--text-primary); border-color: transparent; }
.btn.danger { color: var(--danger); }
.btn .kbd { font-family: var(--mono); font-size: 10px; color: var(--text-tertiary); margin-left: 4px; }
.btn.big {
  padding: 10px 16px;
  font-size: 13px;
}

.kbd-chip {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-tertiary);
  border: 1px solid var(--border);
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--bg-elevated);
  line-height: 1;
}

/* sidebar */
.sidebar {
  grid-area: side;
  background: var(--bg-base);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 10px 0;
  gap: 4px;
  align-items: center;
}
.sidebar-tool {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--r-md);
  color: var(--text-secondary);
  position: relative;
  transition: background 0.12s, color 0.12s;
}
.sidebar-tool:hover { background: var(--bg-elevated); color: var(--text-primary); }
.sidebar-tool.active {
  background: var(--bg-active);
  color: var(--accent);
}
.sidebar-tool.active::before {
  content: "";
  position: absolute;
  left: -10px;
  top: 8px; bottom: 8px;
  width: 2px;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
}
.sidebar-tool .badge {
  position: absolute;
  top: 4px; right: 4px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-text);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  display: grid;
  place-items: center;
}
.sidebar-divider {
  width: 24px;
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}
.sidebar-tool .tip {
  position: absolute;
  left: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-active);
  border: 1px solid var(--border-strong);
  padding: 6px 10px;
  border-radius: var(--r-sm);
  font-size: 12px;
  white-space: nowrap;
  color: var(--text-primary);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.12s;
  z-index: 50;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.sidebar-tool .tip .kbd { color: var(--text-tertiary); margin-left: 6px; font-family: var(--mono); font-size: 10px; }
.sidebar-tool:hover .tip { opacity: 1; }
.sidebar-bottom { margin-top: auto; display: flex; flex-direction: column; gap: 4px; align-items: center; }

/* tool panel */
.panel {
  grid-area: panel;
  background: var(--bg-base);
  border-right: 1px solid var(--border);
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
}
.panel-head {
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.panel-head .title-row { display: flex; align-items: center; gap: 8px; }
.panel-head h2 {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.panel-head .icon-btn { margin-left: auto; }
.panel-head p {
  color: var(--text-secondary);
  font-size: 11px;
  line-height: 1.45;
}
.panel-body {
  overflow-y: auto;
  padding: 4px 0 16px;
}
.panel-foot {
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg-base);
}
.panel-foot .row { display: flex; gap: 8px; }
.panel-foot .btn { flex: 1; justify-content: center; }

.field-group {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.field-group:last-child { border-bottom: none; }
.field-group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: -2px;
}
.field-group-head .label-eyebrow { font-size: 10px; }
.field-group-head .reset {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
}
.field-group-head .reset:hover { color: var(--text-secondary); }

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.field-label {
  font-size: 12px;
  color: var(--text-secondary);
}
.field-value {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-primary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 3px;
  min-width: 48px;
  text-align: right;
}
.field-value:focus-within { border-color: var(--accent); }
.field-value input { width: 100%; font: inherit; color: inherit; text-align: right; }

/* slider */
.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 14px;
  background: transparent;
  cursor: pointer;
}
.slider::-webkit-slider-runnable-track {
  height: 2px;
  background: var(--border);
  border-radius: 1px;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  background: var(--text-primary);
  border-radius: 50%;
  margin-top: -5px;
  border: 2px solid var(--bg-base);
  box-shadow: 0 0 0 1px var(--border-strong);
}
.slider:hover::-webkit-slider-thumb { background: var(--accent); }
.slider:active::-webkit-slider-thumb { background: var(--accent); }
.slider::-moz-range-track { height: 2px; background: var(--border); border-radius: 1px; }
.slider::-moz-range-thumb { width: 12px; height: 12px; background: var(--text-primary); border-radius: 50%; border: 2px solid var(--bg-base); }

/* segmented */
.segmented {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 2px;
  gap: 2px;
}
.segmented button {
  padding: 5px 8px;
  border-radius: 3px;
  font-size: 11px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.segmented button:hover { color: var(--text-primary); }
.segmented button.on {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

/* toggle */
.toggle {
  display: inline-flex;
  align-items: center;
  width: 28px;
  height: 16px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.toggle::after {
  content: "";
  width: 12px;
  height: 12px;
  background: var(--text-secondary);
  border-radius: 50%;
  transition: transform 0.15s, background 0.15s;
}
.toggle.on { background: var(--accent-dim); border-color: var(--accent); }
.toggle.on::after { transform: translateX(12px); background: var(--accent); }

.check-input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* color picker */
.color-row {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.color-swatch {
  width: 24px;
  height: 24px;
  border-radius: 3px;
  border: 1px solid var(--border);
  position: relative;
  cursor: pointer;
}
.color-swatch:hover { transform: scale(1.05); }
.color-swatch.on::after {
  content: "";
  position: absolute;
  inset: -3px;
  border: 1.5px solid var(--accent);
  border-radius: 5px;
}

/* preset gallery */
.preset-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.preset-card {
  aspect-ratio: 1;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 6px;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: border-color 0.12s;
}
.preset-card:hover { border-color: var(--border-strong); }
.preset-card.on { border-color: var(--accent); }
.preset-card .preset-label {
  position: relative;
  z-index: 2;
  text-shadow: 0 1px 2px rgba(0,0,0,0.6);
}
.preset-card .preset-fill {
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* canvas */
.canvas-region {
  grid-area: canvas;
  background: var(--bg-deep);
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto auto;
  overflow: hidden;
}
.canvas-stage {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(60% 60% at 50% 40%, rgba(255,255,255,0.018), transparent),
    var(--bg-deep);
}
.canvas-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.canvas-frame {
  position: relative;
  width: min(82%, 1200px);
  aspect-ratio: 16 / 10;
  background: var(--canvas-frame-bg);
  box-shadow:
    0 0 0 1px var(--border-strong),
    0 24px 60px -20px rgba(0,0,0,0.6);
  overflow: hidden;
  border-radius: 2px;
}
.canvas-corner {
  position: absolute;
  width: 8px;
  height: 8px;
  border: 1px solid var(--text-tertiary);
  pointer-events: none;
}
.canvas-corner.tl { top: -12px; left: -12px; border-right: none; border-bottom: none; }
.canvas-corner.tr { top: -12px; right: -12px; border-left: none; border-bottom: none; }
.canvas-corner.bl { bottom: -12px; left: -12px; border-right: none; border-top: none; }
.canvas-corner.br { bottom: -12px; right: -12px; border-left: none; border-top: none; }

.canvas-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.canvas-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: fill;
  display: block;
}
.material-contours {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 6;
}
.material-id-map-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: fill;
  pointer-events: none;
  z-index: 6;
  opacity: 0.18;
  mix-blend-mode: screen;
  image-rendering: pixelated;
}
.material-id-map-overlay.fallback {
  opacity: 0.28;
}
.material-selected-mask {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 7;
  opacity: 0.72;
}
.material-selected-mask-fill {
  fill: var(--mask-color, var(--accent));
  filter:
    drop-shadow(0 0 1px var(--accent-text))
    drop-shadow(0 0 7px var(--mask-color, var(--accent)));
}
.material-mask-label {
  position: absolute;
  left: 12px;
  bottom: 12px;
  max-width: calc(100% - 24px);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 9px;
  background: var(--hud-bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  color: var(--text-primary);
  font-size: 11px;
  z-index: 9;
  pointer-events: none;
  backdrop-filter: blur(8px);
}
.material-mask-label .mask-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mask-color, var(--accent));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--mask-color, var(--accent)) 28%, transparent);
  flex: 0 0 auto;
}
.material-mask-label .mask-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.material-mask-label .mask-confidence {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--mask-color, var(--accent));
  flex: 0 0 auto;
}

/* canvas top hud */
.canvas-hud {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 10;
}
.canvas-hud .pill {
  background: var(--hud-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 4px 10px;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  pointer-events: auto;
  white-space: nowrap;
}
.canvas-hud .pill .accent { color: var(--accent); }
.canvas-hud .pill .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--success);
}
.canvas-hud .pill .dot.processing { background: var(--accent); animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: 0.3; } }
.canvas-hud .right { margin-left: auto; display: flex; gap: 8px; }
.canvas-hud .pill:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.canvas-hud .mask-toggle {
  min-width: 78px;
  justify-content: center;
}
.canvas-hud .mask-toggle.on {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* canvas bottom controls */
.canvas-bottom {
  padding: 10px 14px;
  background: var(--bg-base);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}
.canvas-bottom .zoom {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-secondary);
}
.canvas-bottom .versions {
  display: flex;
  gap: 10px;
  margin-left: auto;
  align-items: stretch;
  overflow-x: auto;
  max-width: 72%;
  padding: 6px 4px 8px;
}
.canvas-bottom .versions::-webkit-scrollbar { height: 5px; }
.canvas-bottom .versions::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.version-card {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 124px;
  flex-shrink: 0;
  cursor: pointer;
  border-radius: 6px;
  padding: 4px;
  transition: background 0.12s, transform 0.1s;
  user-select: none;
}
.version-card:hover { background: var(--bg-elevated); }
.version-card:active { transform: scale(0.98); }

.version-card.on { background: color-mix(in oklab, var(--accent) 8%, transparent); }
.version-card.on .version-thumb-img {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 12px color-mix(in oklab, var(--accent) 35%, transparent);
}

.version-thumb-img {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 4px;
  border: 1.5px solid var(--border);
  background-size: cover;
  background-position: center;
  background-color: var(--bg-elevated);
  overflow: hidden;
}
.version-card.is-original .version-thumb-img {
  border-style: dashed;
  border-color: color-mix(in oklab, var(--text-secondary) 60%, transparent);
}
.version-card.is-original.on .version-thumb-img {
  border-style: solid;
}

.version-index {
  position: absolute;
  top: 4px;
  left: 4px;
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #fff;
  background: rgba(0, 0, 0, 0.55);
  padding: 2px 5px;
  border-radius: 3px;
  pointer-events: none;
}
.version-active-dot {
  position: absolute;
  bottom: 5px;
  left: 5px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  pointer-events: none;
}

.version-del {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 20px;
  height: 20px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.version-card:hover .version-del { display: flex; }
.version-del:hover { background: var(--danger, #d04545); }

.version-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 2px;
  min-height: 28px;
}
.version-material {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.version-card.is-original .version-material {
  color: var(--text-secondary);
  font-weight: 400;
  font-style: italic;
}
.version-card.on .version-material {
  color: var(--accent);
  font-weight: 600;
}
.version-prompt {
  font-size: 10px;
  color: var(--text-tertiary, var(--text-secondary));
  line-height: 1.25;
  font-style: italic;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  opacity: 0.85;
}

/* status bar */
.statusbar {
  grid-area: status;
  background: var(--bg-base);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 16px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.statusbar .item { display: flex; align-items: center; gap: 6px; }
.statusbar .item .val { color: var(--text-secondary); }
.statusbar .item .accent { color: var(--accent); }
.statusbar .sep { color: var(--text-disabled); }
.statusbar .spacer { flex: 1; }
.statusbar .progress {
  width: 120px;
  height: 4px;
  background: var(--bg-elevated);
  border-radius: 2px;
  overflow: hidden;
}
.statusbar .progress > div {
  height: 100%;
  background: var(--accent);
  transition: width 0.3s ease;
}

/* prompt drawer */
/* prompt drawer — docked inline above canvas-bottom */
.prompt-drawer {
  background: var(--bg-base);
  border-top: 1px solid var(--border);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.prompt-drawer-head {
  display: flex;
  align-items: center;
  gap: 10px;
}
.prompt-drawer-head .label-eyebrow { font-size: 10px; }
.prompt-drawer-head .meta {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-tertiary);
  display: flex;
  gap: 10px;
}
.prompt-body {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: stretch;
}
.prompt-textarea {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-primary);
  resize: none;
  min-height: 72px;
  line-height: 1.5;
}
.prompt-textarea:focus { border-color: var(--accent); }
.prompt-side {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 120px;
}
.prompt-side .btn { justify-content: center; }
.prompt-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.prompt-tag {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  padding: 3px 7px;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-secondary);
  cursor: pointer;
  letter-spacing: 0.04em;
}
.prompt-tag:hover { border-color: var(--accent); color: var(--accent); }
.prompt-tag.on { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

/* generation overlay */
.gen-overlay {
  position: absolute;
  inset: 0;
  background: var(--overlay-backdrop);
  backdrop-filter: blur(2px);
  display: grid;
  place-items: center;
  z-index: 15;
}
.gen-card {
  background: var(--bg-base);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  padding: 20px 24px;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}
.gen-card h3 {
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
}
.gen-card .spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Upload overlay (spinner pendant qu'une image se charge sur le serveur) */
.upload-drop { position: relative; }
.upload-drop.uploading { cursor: progress; }
.upload-overlay {
  position: absolute;
  inset: 0;
  background: color-mix(in oklab, var(--bg-base) 78%, transparent);
  backdrop-filter: blur(2px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  z-index: 10;
  border-radius: inherit;
}
.upload-spinner {
  width: 38px;
  height: 38px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.upload-overlay-label {
  font-size: 13px;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}
.gen-card .stages {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.gen-card .stage {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-tertiary);
}
.gen-card .stage.done { color: var(--success); }
.gen-card .stage.active { color: var(--text-primary); }
.gen-card .stage .marker {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--border);
}
.gen-card .stage.done .marker { background: var(--success); }
.gen-card .stage.active .marker { background: var(--accent); animation: blink 1s infinite; }
.gen-card .progress {
  height: 4px;
  background: var(--bg-elevated);
  border-radius: 2px;
  overflow: hidden;
}
.gen-card .progress > div {
  height: 100%;
  background: var(--accent);
  transition: width 0.2s ease;
}
.gen-card .cancel { align-self: flex-end; }

/* library list */
.library-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.library-row {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 6px 8px;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background 0.12s;
}
.library-row:hover { background: var(--bg-elevated); }
.library-row.on { background: var(--bg-active); }
.library-row.material-row {
  border: 1px solid transparent;
}
.library-row.material-row.mask-active {
  border-color: var(--mask-color, var(--accent));
  background: color-mix(in srgb, var(--mask-color, var(--accent)) 16%, var(--bg-base));
}
.library-row.material-row.mask-group-member {
  border-color: color-mix(in srgb, var(--mask-color, var(--accent)) 46%, transparent);
  background: color-mix(in srgb, var(--mask-color, var(--accent)) 8%, var(--bg-base));
}
.library-row.material-row.no-mask {
  opacity: 0.62;
}
.library-row.material-row.mask-active .name {
  color: var(--text-primary);
  font-weight: 600;
}
.mask-active-badge {
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mask-color, var(--accent));
  border: 1px solid var(--mask-color, var(--accent));
  border-radius: 3px;
  padding: 2px 5px;
  white-space: nowrap;
}
.mask-active-badge.soft {
  color: var(--text-secondary);
  border-color: color-mix(in srgb, var(--mask-color, var(--accent)) 52%, var(--border));
  background: color-mix(in srgb, var(--mask-color, var(--accent)) 8%, transparent);
}
.library-row .thumb {
  width: 28px;
  height: 28px;
  border-radius: 3px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}
.library-row .name { font-size: 12px; }
.library-row .meta { font-family: var(--mono); font-size: 10px; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.05em; }
.material-mask-preview {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  overflow: hidden;
}
.material-mask-preview img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  display: block;
  image-rendering: pixelated;
}

/* command palette */
.palette-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: grid;
  place-items: start center;
  padding-top: 14vh;
}
.palette {
  width: min(560px, 90%);
  background: var(--bg-base);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  box-shadow: 0 24px 60px rgba(0,0,0,0.6);
  display: flex;
  flex-direction: column;
  max-height: 60vh;
  overflow: hidden;
}
.palette-input {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-primary);
}
.palette-input::placeholder { color: var(--text-tertiary); }
.palette-list {
  overflow-y: auto;
  padding: 6px;
}
.palette-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 12px;
}
.palette-row.on { background: var(--bg-active); }
.palette-row:hover { background: var(--bg-elevated); }
.palette-row .label-eyebrow {
  margin-left: auto;
  font-size: 9px;
}
.palette-row .icon {
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  color: var(--accent);
}

/* compare slider */
.compare-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--accent);
  cursor: ew-resize;
  z-index: 4;
}
.compare-handle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: -10px;
  width: 22px;
  height: 22px;
  background: var(--accent);
  color: var(--accent-text);
  border-radius: 50%;
  transform: translateY(-50%);
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.compare-handle::before {
  content: "⇆";
  position: absolute;
  top: 50%;
  left: -10px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  transform: translateY(-50%);
  color: var(--accent-text);
  font-size: 12px;
  font-weight: 700;
  z-index: 5;
}

/* tooltip generic */
[data-tip] {
  position: relative;
}
[data-tip]::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-active);
  border: 1px solid var(--border-strong);
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 10px;
  font-family: var(--mono);
  color: var(--text-primary);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.12s;
  z-index: 30;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
[data-tip]:hover::after { opacity: 1; }

.topbar [data-tip]::after {
  bottom: auto;
  top: calc(100% + 6px);
}

/* number stepper */
.num-step {
  display: inline-flex;
  align-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.num-step button {
  width: 18px;
  height: 22px;
  color: var(--text-secondary);
  font-size: 11px;
}
.num-step button:hover { color: var(--text-primary); background: var(--bg-hover); }
.num-step input {
  width: 36px;
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  height: 22px;
}

/* characters preview row */
.character-roster {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.character-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 3px 4px 3px 10px;
  font-size: 11px;
}
.character-chip .pose-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.character-chip button {
  width: 16px; height: 16px;
  color: var(--text-tertiary);
  display: grid;
  place-items: center;
  border-radius: 50%;
}
.character-chip button:hover { color: var(--text-primary); background: var(--bg-hover); }

/* materials targets */
.material-target {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  cursor: pointer;
}
.material-target:hover { border-color: var(--border-strong); }
.material-target.on { border-color: var(--accent); background: var(--accent-dim); }
.material-target .swatch {
  width: 28px;
  height: 28px;
  border-radius: 3px;
  border: 1px solid var(--border);
}
.material-target .label { font-size: 12px; font-weight: 500; }
.material-target .applied { font-family: var(--mono); font-size: 9px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }
.material-target .badge {
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 6px;
  background: var(--bg-elevated);
  border-radius: 3px;
  color: var(--text-secondary);
}

/* notice / hint banner */
.hint {
  font-size: 11px;
  color: var(--text-tertiary);
  line-height: 1.45;
  padding: 8px 10px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-family: var(--mono);
  letter-spacing: 0.01em;
}
.hint.warning {
  color: var(--warning);
  border-color: color-mix(in srgb, var(--warning) 42%, var(--border));
  background: color-mix(in srgb, var(--warning) 8%, var(--bg-deep));
}
.hint b { color: var(--text-primary); font-weight: 500; }

/* Interactive SVG surfaces for Materials Tool */
.interactive-surface {
  transition: filter 0.15s, stroke-opacity 0.15s;
}
.interactive-surface:hover {
  filter: brightness(1.15);
  stroke: var(--accent) !important;
  stroke-opacity: 0.6;
}