:root {
  color-scheme: light;
  --ink: #213047;
  --muted: #66718a;
  --paper: #fffaf1;
  --paper-line: rgba(52, 84, 130, 0.12);
  --sky-top: #7bc8e8;
  --sky-mid: #d7f1fb;
  --sky-low: #fff4cb;
  --lift: #4ba3ff;
  --gust: #f5b83b;
  --danger: #d94d5c;
  --panel: rgba(255, 250, 241, 0.86);
  --panel-solid: #fffaf1;
  --border: rgba(33, 48, 71, 0.16);
  --shadow: 0 18px 50px rgba(55, 83, 113, 0.22);
  --radius: 18px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html,
body {
  margin: 0;
  width: 100%;
  min-height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
  background: var(--sky-mid);
  color: var(--ink);
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 13px;
  min-height: 42px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.74);
  font: inherit;
  font-size: 0.86rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 7px 18px rgba(55, 83, 113, 0.1);
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  touch-action: manipulation;
  transition: transform 120ms ease, background 120ms ease, box-shadow 120ms ease;
}

button:active {
  transform: scale(0.96);
}

button:hover,
button:focus-visible {
  outline: none;
  border-color: rgba(33, 48, 71, 0.36);
  background: #fff;
}

button.active,
button[aria-pressed="true"] {
  border-color: rgba(33, 48, 71, 0.38);
  background: var(--ink);
  color: #fff;
}

button.primary {
  color: #fff;
  border-color: rgba(33, 48, 71, 0.26);
  background: linear-gradient(180deg, #275d8b, #213047);
}

#app {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background:
    linear-gradient(var(--paper-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-line) 1px, transparent 1px),
    linear-gradient(180deg, var(--sky-top), var(--sky-mid) 54%, var(--sky-low));
  background-size: 36px 36px, 36px 36px, auto;
}

.topbar {
  position: fixed;
  top: max(14px, env(safe-area-inset-top));
  left: 14px;
  right: 14px;
  z-index: 10;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  pointer-events: none;
}

.brand,
.status-pill,
.toolbar,
.readout,
.hint-panel,
.level-panel,
.result-card,
.menu-card,
.settings-card,
.share-card {
  pointer-events: auto;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: min(460px, calc(100vw - 110px));
  padding: 11px 13px;
  border-radius: var(--radius);
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px 10px 16px 10px;
  background:
    linear-gradient(135deg, transparent 48%, rgba(33, 48, 71, 0.16) 49%),
    linear-gradient(160deg, #fff, #dff5ff 55%, #f8d86b);
  border: 1px solid rgba(33, 48, 71, 0.18);
  transform: rotate(-11deg);
}

.brand h1 {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1;
}

.brand p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.status-pill {
  min-width: 78px;
  padding: 11px 13px;
  border-radius: 999px;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 900;
}

.top-actions {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  pointer-events: auto;
}

.top-actions .status-pill {
  box-shadow: var(--shadow);
}

.game-shell,
#gameCanvas {
  position: absolute;
  inset: 0;
}

#gameCanvas {
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

.toolbar {
  position: fixed;
  left: 14px;
  right: 14px;
  bottom: max(14px, env(safe-area-inset-bottom));
  z-index: 10;
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border-radius: 18px;
  transition: opacity 180ms ease, transform 180ms ease;
}

.tool-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.actions {
  justify-content: flex-end;
}

.rail-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

#moreBtn {
  display: none;
}

.swatch {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  display: inline-block;
}

.swatch.lift { background: var(--lift); }
.swatch.gust { background: var(--gust); }

.readout {
  position: fixed;
  top: max(96px, calc(env(safe-area-inset-top) + 82px));
  right: 14px;
  z-index: 9;
  width: 158px;
  padding: 12px;
  border-radius: var(--radius);
  display: grid;
  gap: 10px;
  transition: opacity 180ms ease, transform 180ms ease;
}

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

.level-panel {
  position: fixed;
  left: 14px;
  top: max(96px, calc(env(safe-area-inset-top) + 82px));
  z-index: 9;
  width: min(360px, calc(100vw - 32px));
  padding: 13px 14px;
  border-radius: var(--radius);
  transition: opacity 180ms ease, transform 180ms ease;
}

.level-panel label {
  display: grid;
  gap: 7px;
}

.level-panel label span,
.level-meta span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.level-panel select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.84);
  font: inherit;
  font-weight: 850;
}

.level-panel p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.42;
}

.level-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
}

.readout span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.readout strong {
  font-size: 0.95rem;
}

.hint-panel {
  position: fixed;
  left: 14px;
  top: max(250px, calc(env(safe-area-inset-top) + 236px));
  z-index: 9;
  width: min(360px, calc(100vw - 32px));
  padding: 13px 14px;
  border-radius: var(--radius);
  display: grid;
  gap: 5px;
}

.result-modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(33, 48, 71, 0.24);
  backdrop-filter: blur(8px);
}

.menu-modal,
.settings-modal,
.share-modal,
.file-warning {
  position: fixed;
  inset: 0;
  z-index: 34;
  display: grid;
  place-items: center;
  padding: 18px;
  background:
    radial-gradient(circle at 50% 30%, rgba(255, 250, 241, 0.24), transparent 34%),
    rgba(33, 48, 71, 0.3);
  backdrop-filter: blur(10px);
}

.menu-modal[hidden],
.settings-modal[hidden],
.share-modal[hidden],
.file-warning[hidden] {
  display: none;
}

.menu-card,
.settings-card,
.share-card {
  width: min(440px, 100%);
  padding: 20px;
  border-radius: 22px;
}

.file-warning > div {
  width: min(440px, 100%);
  display: grid;
  gap: 8px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--panel-solid);
  box-shadow: var(--shadow);
}

.file-warning strong {
  font-size: 1.05rem;
}

.file-warning span {
  color: var(--muted);
  line-height: 1.45;
}

.menu-card {
  text-align: center;
}

.menu-plane {
  width: 74px;
  height: 56px;
  margin: 0 auto 10px;
  border-radius: 14px 14px 24px 14px;
  background:
    linear-gradient(135deg, transparent 48%, rgba(33, 48, 71, 0.16) 49%),
    linear-gradient(160deg, #fff, #dff5ff 55%, #f8d86b);
  border: 1px solid rgba(33, 48, 71, 0.18);
  transform: rotate(-10deg);
}

.menu-card h2,
.settings-card h2,
.share-card h2 {
  margin: 0;
  font-size: 1.55rem;
}

.menu-card p,
.share-card p {
  color: var(--muted);
  line-height: 1.45;
  margin: 8px 0 0;
}

.menu-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 16px 0;
}

.menu-stats span {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.56);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 850;
}

.menu-actions,
.share-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-weight: 850;
}

.setting-row input {
  width: 24px;
  height: 24px;
}

.settings-card .result-actions {
  margin-top: 16px;
}

.share-card textarea {
  width: 100%;
  min-height: 128px;
  margin: 14px 0;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.76);
  font: 700 0.82rem ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  resize: vertical;
}

.result-modal[hidden] {
  display: none;
}

.result-card {
  width: min(420px, 100%);
  padding: 20px;
  border-radius: 20px;
  text-align: center;
  animation: pop-in 260ms cubic-bezier(0.2, 0.9, 0.3, 1.2);
}

@keyframes pop-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.menu-card,
.settings-card,
.share-card {
  animation: pop-in 260ms cubic-bezier(0.2, 0.9, 0.3, 1.2);
}

.result-grade {
  width: 68px;
  height: 68px;
  margin: 0 auto 10px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(180deg, #275d8b, #213047);
  font-size: 2rem;
  font-weight: 950;
}

.result-card h2 {
  margin: 0;
  font-size: 1.35rem;
}

.result-card p {
  margin: 8px auto 0;
  max-width: 320px;
  color: var(--muted);
  line-height: 1.45;
}

.result-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 16px 0;
}

.result-stats span {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 8px;
  background: rgba(255, 255, 255, 0.56);
  font-size: 0.82rem;
  font-weight: 850;
}

.result-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.hint-panel strong {
  font-size: 0.86rem;
}

.hint-panel span {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.42;
}

@media (max-width: 760px), (max-height: 500px) {
  .brand p,
  .hint-panel {
    display: none;
  }

  .brand {
    max-width: calc(100vw - 100px);
    padding: 8px 11px;
    gap: 9px;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

  .brand h1 {
    font-size: 1rem;
    white-space: nowrap;
  }

  .status-pill {
    min-width: 0;
    padding: 8px 11px;
    font-size: 0.72rem;
  }

  .topbar {
    top: max(10px, env(safe-area-inset-top));
    left: 10px;
    right: 10px;
    gap: 8px;
  }

  .top-actions {
    gap: 6px;
  }

  .toolbar {
    left: 8px;
    right: 8px;
    bottom: max(8px, env(safe-area-inset-bottom));
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 8px;
    max-height: 50vh;
    overflow-y: auto;
  }

  .tool-group,
  .actions {
    justify-content: center;
    gap: 6px;
  }

  .tool-group button {
    flex: 1 1 auto;
    min-height: 38px;
    padding: 8px 10px;
    font-size: 0.78rem;
  }

  .overflow-group {
    display: none;
  }

  #toolbar.overflow-open .overflow-group {
    display: flex;
  }

  #moreBtn {
    display: inline-flex;
  }

  .readout {
    top: max(64px, calc(env(safe-area-inset-top) + 56px));
    width: auto;
    left: 10px;
    right: 10px;
    grid-template-columns: repeat(5, 1fr);
    padding: 8px 6px;
    gap: 4px;
    border-radius: 14px;
  }

  .readout div {
    display: grid;
    text-align: center;
    gap: 1px;
  }

  .readout span {
    font-size: 0.6rem;
  }

  .readout strong {
    font-size: 0.82rem;
  }

  .level-panel {
    top: max(122px, calc(env(safe-area-inset-top) + 114px));
    bottom: auto;
    left: 10px;
    right: 10px;
    width: auto;
    padding: 8px 12px;
    border-radius: 14px;
  }

  .level-panel label span {
    font-size: 0.62rem;
  }

  .level-panel select {
    padding: 8px 10px;
    font-size: 0.86rem;
  }

  .level-panel p {
    display: none;
  }

  .level-meta {
    margin-top: 6px;
  }

  .level-meta span {
    font-size: 0.62rem;
  }

  .result-stats {
    grid-template-columns: 1fr;
  }

  .focus-mode:not(.focus-disabled) .level-panel {
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
  }

  .focus-mode:not(.focus-disabled) .readout {
    opacity: 0.78;
  }

  .focus-mode:not(.focus-disabled) .toolbar {
    opacity: 0.82;
    transform: translateY(8px);
  }

  .is-flying .toolbar {
    opacity: 0.58;
  }

  .menu-actions,
  .menu-stats,
  .share-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 400px) {
  .brand h1 {
    font-size: 0.9rem;
  }

  .brand p {
    display: none;
  }

  .status-pill {
    font-size: 0.66rem;
    padding: 7px 9px;
  }

  .readout {
    padding: 7px 4px;
  }

  .readout span {
    font-size: 0.56rem;
  }

  .readout strong {
    font-size: 0.76rem;
  }
}

@media (max-height: 700px) and (max-width: 760px) {
  .level-panel {
    top: max(112px, calc(env(safe-area-inset-top) + 104px));
  }
}

/* Short viewports (landscape phones) get the same compact chrome as narrow
   ones above, but keep the toolbar as a horizontal row instead of stacking
   it, since width is plentiful and height is the scarce dimension. */
@media (max-height: 500px) {
  .topbar {
    top: max(8px, env(safe-area-inset-top));
  }

  .readout {
    top: max(52px, calc(env(safe-area-inset-top) + 44px));
  }

  .level-panel {
    top: max(96px, calc(env(safe-area-inset-top) + 88px));
  }

  .toolbar {
    bottom: max(8px, env(safe-area-inset-bottom));
    max-height: 42vh;
  }
}

@media (max-height: 500px) and (min-width: 761px) {
  .toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px;
  }

  .tool-group,
  .actions {
    justify-content: center;
    flex-wrap: nowrap;
  }

  .tool-group button {
    flex: 0 1 auto;
  }

  .overflow-group {
    display: flex;
  }

  #moreBtn {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

.reduced-motion *,
.reduced-motion *::before,
.reduced-motion *::after {
  transition-duration: 0.01ms !important;
  animation-duration: 0.01ms !important;
}