:root {
  color-scheme: light;
  --bg: #f4f6ef;
  --panel: #ffffff;
  --panel-strong: #f9faf5;
  --ink: #20241f;
  --muted: #687166;
  --line: #dce4d5;
  --line-strong: #c5d2bd;
  --accent: #2f7452;
  --accent-strong: #245a40;
  --gold: #d49b34;
  --coral: #ce6b54;
  --leaf: #4e8a45;
  --shadow: 0 16px 40px rgba(42, 50, 36, 0.12);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
  overflow: hidden;
}

body {
  height: 100dvh;
  margin: 0;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(212, 155, 52, 0.13), transparent 34%),
    linear-gradient(315deg, rgba(206, 107, 84, 0.11), transparent 28%),
    var(--bg);
  color: var(--ink);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 320px minmax(360px, 1fr) 300px;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
  height: 100dvh;
  min-height: 0;
  overflow: hidden;
  padding: 14px;
}

.topbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 70px;
  padding: 10px 14px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.eyebrow {
  margin: 0 0 3px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 1.45rem;
  line-height: 1.15;
}

h2 {
  font-size: 0.98rem;
  line-height: 1.3;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.panel,
.viewport-panel {
  min-height: 0;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.controls-panel,
.modules-panel {
  overflow: auto;
  overscroll-behavior: contain;
  padding: 14px;
}

.control-section + .control-section {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
}

.preset-button,
.module-option,
.export-button,
.icon-button {
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: var(--ink);
  transition:
    border-color 140ms ease,
    background 140ms ease,
    color 140ms ease,
    transform 140ms ease;
}

.preset-button:hover,
.module-option:hover,
.export-button:hover,
.icon-button:hover {
  transform: translateY(-1px);
}

.preset-button {
  min-height: 34px;
  padding: 7px 9px;
  color: var(--muted);
  font-weight: 700;
}

.preset-button.is-active,
.module-option.is-active {
  border-color: rgba(47, 116, 82, 0.24);
  background: #e9f2e5;
  color: var(--accent-strong);
}

.field,
.color-field {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.field > span,
.color-field > span {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

output {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

input[type="number"] {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  padding: 6px 10px;
  background: #fff;
  color: var(--ink);
}

input[type="color"] {
  width: 100%;
  height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  padding: 3px;
  background: #fff;
}

.viewport-panel {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, #f9fbf3 0%, #eef3e8 100%);
}

#plantCanvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  touch-action: none;
}

.viewport-hud {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  pointer-events: none;
}

.viewport-hud > span,
.toggle {
  min-height: 34px;
  border: 1px solid rgba(197, 210, 189, 0.8);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--muted);
  box-shadow: 0 8px 22px rgba(42, 50, 36, 0.08);
  backdrop-filter: blur(12px);
}

.viewport-hud > span {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  font-size: 0.84rem;
  font-variant-numeric: tabular-nums;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 9px;
  pointer-events: auto;
  font-size: 0.84rem;
  font-weight: 700;
}

.toggle input {
  accent-color: var(--accent);
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.module-option {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  min-height: 52px;
  padding: 7px;
  border-color: var(--line);
  background: var(--panel-strong);
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
  text-align: left;
}

.module-option span:last-child {
  overflow-wrap: anywhere;
}

.module-thumb {
  position: relative;
  display: block;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: #fff;
  overflow: hidden;
}

.module-thumb::before,
.module-thumb::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.leaf-oval::before {
  width: 14px;
  height: 24px;
  border-radius: 50% 50% 48% 48%;
  background: var(--leaf);
  transform: translate(-50%, -50%) rotate(24deg);
}

.leaf-lobed::before {
  width: 23px;
  height: 23px;
  background: conic-gradient(
    from 20deg,
    transparent 0 8%,
    var(--leaf) 8% 18%,
    transparent 18% 28%,
    var(--leaf) 28% 39%,
    transparent 39% 50%,
    var(--leaf) 50% 62%,
    transparent 62% 72%,
    var(--leaf) 72% 83%,
    transparent 83% 100%
  );
  border-radius: 50%;
}

.leaf-needle::before {
  width: 4px;
  height: 28px;
  border-radius: 99px;
  background: #2d7252;
  box-shadow: -7px 1px 0 #3b875d, 7px -1px 0 #4b9468;
}

.leaf-blade::before {
  width: 8px;
  height: 28px;
  border-radius: 90% 0 90% 0;
  background: #5f9943;
  transform: translate(-50%, -50%) rotate(-34deg);
}

.flower-none::before {
  width: 18px;
  height: 2px;
  background: var(--line-strong);
}

.flower-blossom::before {
  width: 24px;
  height: 24px;
  background: conic-gradient(
    #d95783 0 13%,
    transparent 13% 20%,
    #e58aa7 20% 33%,
    transparent 33% 40%,
    #d95783 40% 53%,
    transparent 53% 60%,
    #e58aa7 60% 73%,
    transparent 73% 80%,
    #d95783 80% 93%,
    transparent 93% 100%
  );
  border-radius: 50%;
}

.flower-bell::before {
  width: 20px;
  height: 22px;
  border-radius: 55% 55% 45% 45%;
  background: #ce6b54;
  clip-path: polygon(28% 6%, 72% 6%, 92% 88%, 8% 88%);
}

.flower-berry::before {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #b92f45;
  box-shadow: 7px 6px 0 #8f2537;
}

.flower-cone::before {
  width: 18px;
  height: 26px;
  border-radius: 50% 50% 44% 44%;
  background:
    repeating-linear-gradient(0deg, transparent 0 4px, rgba(255, 255, 255, 0.25) 4px 6px),
    #9d6842;
}

.export-button,
.icon-button {
  min-height: 38px;
  border-color: rgba(47, 116, 82, 0.25);
  background: #f2f7ef;
  color: var(--accent-strong);
  font-weight: 900;
}

.export-button {
  min-width: 58px;
  padding: 8px 12px;
}

.icon-button {
  width: 40px;
  padding: 7px 0;
  font-size: 1.08rem;
}

.export-button:active,
.icon-button:active,
.preset-button:active,
.module-option:active {
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .app-shell {
    grid-template-columns: 300px minmax(360px, 1fr);
    grid-template-rows: auto minmax(0, 1fr) minmax(0, 260px);
  }

  .controls-panel {
    grid-column: 1;
    grid-row: 2 / 4;
  }

  .viewport-panel {
    grid-column: 2;
    grid-row: 2;
  }

  .modules-panel {
    grid-column: 2;
    grid-row: 3;
    display: grid;
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    gap: 16px;
    align-items: start;
  }

  .modules-panel .control-section + .control-section {
    margin-top: 0;
    padding-top: 0;
    padding-left: 16px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }
}

@media (max-width: 760px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr) minmax(0, 0.85fr) minmax(0, 0.85fr);
    padding: 10px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-actions {
    width: 100%;
    justify-content: stretch;
  }

  .export-button {
    flex: 1;
  }

  .controls-panel,
  .modules-panel {
    max-height: none;
  }

  .controls-panel {
    grid-column: 1;
    grid-row: 3;
  }

  .viewport-panel {
    grid-column: 1;
    grid-row: 2;
  }

  .modules-panel {
    grid-column: 1;
    grid-row: 4;
  }

  #plantCanvas {
    min-height: 0;
  }

  .modules-panel .control-section {
    display: block;
  }

  .modules-panel {
    display: block;
  }

  .modules-panel .control-section + .control-section {
    margin-top: 18px;
    padding-top: 16px;
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }
}