@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Source+Code+Pro:wght@400;600&display=swap");

:root {
  color-scheme: light;
  --bg: #f6f1e9;
  --bg-deep: #efe4d5;
  --ink: #1d1b18;
  --accent: #d6452c;
  --accent-soft: rgba(214, 69, 44, 0.15);
  --panel: rgba(255, 255, 255, 0.85);
  --panel-border: rgba(29, 27, 24, 0.12);
  --shadow: 0 24px 60px rgba(28, 22, 16, 0.18);
}

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

html,
body {
  width: 100%;
  height: 100%;
}

body {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  background: radial-gradient(circle at 15% 20%, #ffd8b8 0%, var(--bg) 45%),
    linear-gradient(140deg, #fef7ef 0%, var(--bg-deep) 55%, #f7e7d0 100%);
  color: var(--ink);
  height: 100vh;
  width: 100vw;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  padding: 0;
  overflow: hidden;
}

.backdrop {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(var(--accent-soft) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.4;
  pointer-events: none;
}

.app {
  width: 100vw;
  height: 100vh;
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "hero hero"
    "controls stage"
    "footer stage";
  gap: 24px;
  padding: 24px;
  position: relative;
  z-index: 1;
}

.hero {
  grid-area: hero;
  text-align: left;
}

.eyebrow {
  font-family: "Source Code Pro", monospace;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 12px;
  color: rgba(29, 27, 24, 0.6);
}

h1 {
  font-size: clamp(2.4rem, 4vw, 4rem);
  letter-spacing: -0.04em;
  margin: 12px 0 8px;
}

.subtitle {
  max-width: 560px;
  font-size: 1.05rem;
  color: rgba(29, 27, 24, 0.78);
}

.controls {
  grid-area: controls;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px;
  border-radius: 18px;
  backdrop-filter: blur(12px);
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  justify-content: center;
}

.ControlBox {
  display: grid;
  gap: 12px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.7);
  flex-shrink: 0;
  min-width: 0;
}

.ShapeSection {
  display: grid;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
}

.Settings {
  display: grid;
  gap: 8px;
  font-size: 0.85rem;
}

.SettingRow {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 12px;
  align-items: start;
}

.SettingLabel {
  font-weight: 600;
  padding-top: 10px;
  text-align: left;
}

.SettingValue {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  min-width: 0;
}

.SettingHint {
  color: rgba(29, 27, 24, 0.6);
  font-size: 0.8rem;
  white-space: nowrap;
}

.NumberInput {
  width: 50px;
  flex-shrink: 0;
}

.Settings input,
.Settings select,
.ShapeSection select {
  font: inherit;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.9);
}

.Settings select {
  width: 100%;
  min-width: 0;
}

.ButtonSection {
  display: grid;
  gap: 10px;
}

#MazeDetails {
  gap: 12px;
}

#MazeHeader {
  font-size: 1.05rem;
}

.LeftSection,
.RightSection {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  min-width: 0;
}

.RightSection {
  justify-content: space-between;
}

.RightSection select {
  flex: 1;
  min-width: 0;
}

.RightSection button {
  flex-shrink: 0;
}

button {
  font: inherit;
  padding: 12px 16px;
  border-radius: 14px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-align: left;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

button:hover {
  transform: translateY(-2px);
}

.primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 30px rgba(214, 69, 44, 0.35);
}

.ghost {
  background: transparent;
  border: 1px solid var(--panel-border);
}

.stage {
  grid-area: stage;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}

#maze {
  width: 100%;
  height: 100%;
  max-height: 100%;
  border-radius: 22px;
  /* background: #fff; */
  /* box-shadow: var(--shadow); */
  animation: rise 0.7s ease both;
  display: block;
  flex: 1;
  min-height: 0;
}

.legend {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.legend-actions {
  display: flex;
  gap: 10px;
  margin-left: auto;
}

.legend-actions button {
  padding: 8px 12px;
  border-radius: 12px;
}

.chip {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(29, 27, 24, 0.08);
}

.chip-end {
  background: rgba(214, 69, 44, 0.18);
}

.footer {
  /* grid-area: footer; */
  font-size: 0.85rem;
  color: rgba(29, 27, 24, 0.7);
  align-self: start;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 700px) {
  body {
    padding: 0;
  }

  .app {
    grid-template-columns: 1fr;
    grid-template-areas:
      "hero"
      "controls"
      "stage"
      "footer";
    grid-template-rows: auto auto 1fr auto;
    padding: 18px;
  }

  .controls {
    position: static;
  }

  button {
    width: 100%;
    text-align: center;
  }
}