:root {
  color-scheme: dark;
  --bg: #07090f;
  --panel: rgba(14, 18, 30, 0.88);
  --panel-border: rgba(145, 169, 228, 0.3);
  --muted: #9badcf;
  --text: #eaf0ff;
  --accent: #7cc8ff;
  --accent-strong: #4faeff;
  --danger: #ff7f7f;
  --ok: #88e38a;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(circle at 15% 20%, #1c2238 0%, #090c13 55%, #040509 100%);
  color: var(--text);
  font-family: "Source Sans Pro", "Segoe UI", Arial, sans-serif;
}

a {
  color: var(--accent);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(163, 188, 250, 0.24);
  background: linear-gradient(90deg, rgba(12, 17, 29, 0.95), rgba(22, 22, 38, 0.9));
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(5px);
}

.title-wrap h1 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.title-wrap p {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.topbar-links {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.chip-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid rgba(164, 188, 255, 0.45);
  color: var(--text);
  background: rgba(27, 36, 59, 0.68);
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.85rem;
}

.layout {
  display: grid;
  grid-template-columns: minmax(380px, 1.25fr) minmax(300px, 0.95fr);
  gap: 0.95rem;
  padding: 0.95rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.runtime-wrap {
  display: grid;
  grid-template-rows: minmax(340px, 58vh) auto auto;
}

.stage-shell {
  position: relative;
  min-height: 340px;
  border-bottom: 1px solid rgba(163, 190, 255, 0.24);
  overflow: hidden;
}

#story-stage {
  display: block;
  width: 100%;
  height: 100%;
}

.grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.2;
  mix-blend-mode: screen;
  background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.09) 0.9px, transparent 0);
  background-size: 3px 3px;
  animation: grainShift 0.8s steps(2) infinite;
}

@keyframes grainShift {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(-3px, 3px, 0);
  }
}

.overlay-panel {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 10px;
  display: grid;
  gap: 0.35rem;
  background: rgba(5, 8, 14, 0.68);
  border: 1px solid rgba(182, 205, 255, 0.35);
  border-radius: 10px;
  padding: 0.7rem;
  backdrop-filter: blur(4px);
}

.overlay-meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.overlay-title {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: 0.01em;
}

.overlay-text,
.overlay-objective {
  margin: 0;
  line-height: 1.35;
  font-size: 0.95rem;
}

.overlay-objective {
  color: #d3e0ff;
}

.choice-row {
  position: absolute;
  left: 12px;
  right: 12px;
  top: 12px;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.choice-btn {
  border: 1px solid rgba(157, 193, 255, 0.52);
  background: rgba(17, 31, 58, 0.83);
  color: var(--text);
  border-radius: 999px;
  padding: 0.45rem 0.72rem;
  font-size: 0.82rem;
  cursor: pointer;
}

.touch-controls {
  position: absolute;
  right: 10px;
  bottom: 118px;
  display: none;
  flex-direction: column;
  gap: 0.38rem;
  z-index: 4;
}

.touch-grid {
  display: grid;
  grid-template-columns: repeat(3, 46px);
  gap: 4px;
}

.touch-cell,
.touch-action {
  width: 46px;
  height: 46px;
  border-radius: 9px;
  border: 1px solid rgba(213, 227, 255, 0.4);
  color: #dce8ff;
  background: rgba(27, 40, 70, 0.8);
  font-size: 0.9rem;
}

.touch-cell.void {
  visibility: hidden;
}

.touch-action {
  width: 84px;
  align-self: flex-end;
  border-radius: 30px;
}

.runtime-controls {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.7rem;
  padding: 0.82rem;
  border-bottom: 1px solid rgba(163, 190, 255, 0.24);
}

.control-block {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  align-items: center;
}

select,
button,
input[type="range"] {
  font: inherit;
}

.select,
.btn {
  border-radius: 8px;
  border: 1px solid rgba(164, 188, 255, 0.48);
  background: rgba(18, 26, 46, 0.87);
  color: var(--text);
  padding: 0.45rem 0.7rem;
}

.btn {
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(180deg, rgba(85, 159, 255, 0.95), rgba(61, 120, 202, 0.95));
  color: #061124;
  border-color: rgba(164, 214, 255, 0.7);
  font-weight: 700;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.meters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-end;
  align-items: center;
  font-size: 0.83rem;
}

.meter-value {
  color: #d1e4ff;
  font-weight: 700;
}

.stage-log {
  padding: 0.75rem 0.8rem 0.85rem;
  max-height: 160px;
  overflow: auto;
  font-family: "Consolas", "Monaco", monospace;
  font-size: 0.8rem;
  color: #d7e7ff;
  background: rgba(4, 8, 14, 0.73);
}

.log-line {
  margin-bottom: 0.35rem;
}

.author-wrap {
  display: grid;
  grid-template-rows: auto auto minmax(250px, 1fr) auto;
}

.author-head {
  padding: 0.8rem;
  border-bottom: 1px solid rgba(163, 190, 255, 0.24);
}

.author-head h2 {
  margin: 0;
  font-size: 1.05rem;
}

.author-head p {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.schema-tip {
  margin: 0;
  padding: 0.68rem 0.8rem;
  color: #c7d9ff;
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(163, 190, 255, 0.24);
}

#story-editor {
  width: 100%;
  min-height: 300px;
  border: none;
  resize: vertical;
  padding: 0.72rem;
  background: rgba(5, 10, 17, 0.92);
  color: #d9e8ff;
  font-family: "Consolas", "Monaco", monospace;
  font-size: 0.81rem;
  line-height: 1.35;
}

.editor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
  padding: 0.74rem;
  border-top: 1px solid rgba(163, 190, 255, 0.24);
}

.file-btn {
  position: relative;
  overflow: hidden;
}

#story-upload {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

@media (max-width: 1080px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .runtime-wrap {
    grid-template-rows: minmax(310px, 52vh) auto auto;
  }
}

@media (hover: none) and (pointer: coarse), (max-width: 800px) {
  .touch-controls {
    display: flex;
  }
}