:root {
  --ink: #172031;
  --ink-soft: #45536c;
  --sand: #fcf8ef;
  --sand-strong: #f3ebda;
  --mint: #9dd9c9;
  --accent: #ec9b62;
  --line: #d9d4c9;
  --panel: rgba(255, 255, 255, 0.82);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Zen Kaku Gothic New", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 85% 12%, rgba(157, 217, 201, 0.55), transparent 38%),
    radial-gradient(circle at 12% 90%, rgba(236, 155, 98, 0.35), transparent 36%),
    linear-gradient(135deg, #fffdf8, #f6efde 55%, #fefaf1);
  padding: 0;
  overflow-x: hidden;
  min-height: 100vh;
}

.ambient {
  position: fixed;
  border-radius: 999px;
  filter: blur(36px);
  z-index: -1;
  pointer-events: none;
}

.ambient-1 {
  width: 220px;
  height: 220px;
  background: rgba(157, 217, 201, 0.38);
  top: -70px;
  left: 16%;
}

.ambient-2 {
  width: 260px;
  height: 260px;
  background: rgba(236, 155, 98, 0.28);
  bottom: -110px;
  right: 12%;
}

.app-shell {
  width: 100%;
  max-width: none;
  margin: 0;
  min-height: 100vh;
  padding: 12px;
  display: grid;
  grid-template-columns: 1fr 320px;
  grid-template-rows: auto 1fr;
  grid-template-areas:
    "topbar topbar"
    "workspace controls";
  gap: 12px;
}

.topbar {
  grid-area: topbar;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: var(--panel);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 18px;
  padding: 14px 18px;
  animation: fade-up 500ms ease both;
}

h1 {
  margin: 0;
  letter-spacing: 0.02em;
  font-size: clamp(1.4rem, 2.6vw, 1.95rem);
}

.subtitle {
  margin: 2px 0 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.panel {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 18px;
  backdrop-filter: blur(8px);
}

.controls {
  grid-area: controls;
  padding: 16px;
  animation: fade-up 520ms ease both;
  align-self: start;
  max-height: calc(100vh - 24px);
  overflow-y: auto;
}

.control-group {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
}

.control-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.label-row output {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--ink);
}

.split {
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.toggle-row {
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.option-list {
  gap: 8px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-row input {
  width: 16px;
  height: 16px;
}

.pressure-row {
  grid-template-columns: repeat(2, 1fr);
}

.pressure-mode-row {
  grid-template-columns: repeat(2, 1fr);
}

.layer-panel select {
  width: 100%;
}

.layer-actions {
  grid-template-columns: repeat(3, 1fr);
}

.pressure-indicator {
  border: 1px solid #dfd4bf;
  background: rgba(255, 252, 244, 0.9);
  border-radius: 12px;
  padding: 10px;
  margin-bottom: 14px;
  display: grid;
  gap: 8px;
}

.pressure-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  color: var(--ink-soft);
}

#pressureValue {
  color: var(--ink);
}

.pressure-meter {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(23, 32, 49, 0.12);
  overflow: hidden;
}

.pressure-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #79c2a7, #2f80ed);
  transition: width 50ms linear;
}

.pressure-meta {
  margin: 0;
  font-size: 0.78rem;
  color: var(--ink-soft);
  line-height: 1.35;
}

.pressure-hint {
  color: #b15f1d;
}

.workspace {
  grid-area: workspace;
  min-height: 0;
  height: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.board {
  display: grid;
  grid-template-rows: auto 1fr;
  padding: 10px;
  min-height: 0;
  min-width: 0;
  animation: fade-up 520ms ease both;
  animation-delay: var(--delay, 0ms);
}

.board-title {
  font-weight: 700;
  letter-spacing: 0.03em;
  margin: 2px 4px 10px;
  color: var(--ink-soft);
}

.frame {
  width: 100%;
  height: auto;
  aspect-ratio: var(--frame-aspect, 1 / 1);
  max-height: 100%;
  min-height: 260px;
  border-radius: 14px;
  border: 1px solid var(--line);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(252, 248, 239, 0.95), rgba(243, 235, 218, 0.9));
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

canvas {
  max-width: 100%;
  max-height: 100%;
  display: block;
  touch-action: none;
  box-shadow: 0 8px 20px rgba(23, 32, 49, 0.08);
}

button,
input[type="file"] {
  border: 1px solid #d7ccb6;
  background: #fffdf8;
  color: var(--ink);
  border-radius: 10px;
  font: inherit;
  padding: 8px 10px;
}

button {
  cursor: pointer;
  transition: transform 120ms ease, background-color 120ms ease;
}

button:hover {
  transform: translateY(-1px);
  background: #fff9ef;
}

button[aria-pressed="true"] {
  background: #ffe7d3;
  border-color: #e6b386;
}

input[type="range"] {
  width: 100%;
}

input[type="color"] {
  width: 100%;
  min-height: 40px;
  padding: 2px;
}

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

.lang-switch {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

output {
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.hint {
  margin: 4px 0 0;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.legal-links {
  margin-top: 8px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.legal-links a {
  color: var(--ink-soft);
  font-size: 0.8rem;
  text-decoration: none;
}

.legal-links a:hover {
  text-decoration: underline;
}

.score-card {
  border: 1px solid #dfd4bf;
  background: linear-gradient(180deg, rgba(255, 251, 242, 0.95), rgba(255, 246, 232, 0.88));
  border-radius: 12px;
  padding: 10px;
  margin-bottom: 14px;
  display: grid;
  gap: 8px;
}

.score-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  color: var(--ink-soft);
}

#scoreValue {
  font-size: 1.4rem;
  line-height: 1;
  color: var(--ink);
}

.score-breakdown {
  margin: 0;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.sponsor-card {
  border: 1px solid #dfd4bf;
  background: linear-gradient(180deg, rgba(255, 247, 234, 0.98), rgba(255, 240, 216, 0.92));
  border-radius: 12px;
  padding: 10px;
  display: grid;
  gap: 8px;
}

.topbar-sponsor {
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  min-width: 280px;
  margin: 0;
  flex: 0 0 auto;
  border-color: #e6b386;
  box-shadow: 0 8px 18px rgba(236, 155, 98, 0.12);
}

.sponsor-label {
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.sponsor-slot {
  border: 1px dashed #d2c4ad;
  border-radius: 10px;
  min-height: 40px;
  min-width: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--ink);
  font-weight: 700;
  background: rgba(255, 255, 255, 0.8);
}

.sponsor-slot[data-slot-state="adsense"] {
  display: block;
  padding: 0;
}

.sponsor-slot .adsbygoogle {
  min-height: 40px;
}

.frame.grid-3 {
  background-image:
    linear-gradient(to right, rgba(23, 32, 49, 0.2) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(23, 32, 49, 0.2) 1px, transparent 1px),
    linear-gradient(135deg, rgba(252, 248, 239, 0.95), rgba(243, 235, 218, 0.9));
  background-size: calc(100% / 3) 100%, 100% calc(100% / 3), auto;
  background-position: 0 0, 0 0, 0 0;
}

.frame.grid-4 {
  background-image:
    linear-gradient(to right, rgba(23, 32, 49, 0.2) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(23, 32, 49, 0.2) 1px, transparent 1px),
    linear-gradient(135deg, rgba(252, 248, 239, 0.95), rgba(243, 235, 218, 0.9));
  background-size: calc(100% / 4) 100%, 100% calc(100% / 4), auto;
  background-position: 0 0, 0 0, 0 0;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-areas:
      "topbar"
      "controls"
      "workspace";
  }

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

  .compact-actions {
    justify-content: flex-start;
  }

  .topbar-sponsor {
    width: 100%;
    min-width: 0;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .frame {
    min-height: 220px;
  }
}