:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: #12192a;
  --panel-2: #182238;
  --text: #f8fafc;
  --muted: #aeb8cb;
  --line: #2d3955;
  --accent: #67e8f9;
  --ok: #86efac;
  --warn: #fde68a;
  --danger: #fca5a5;
}

* {
  box-sizing: border-box;
}

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

body {
  background: radial-gradient(circle at top, #14213d 0, var(--bg) 46%);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.app {
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: 22px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

h1 {
  margin: 0 0 6px;
  font-size: 25px;
  letter-spacing: 0;
}

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.badge {
  flex: 0 0 auto;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(18, 25, 42, 0.74);
  font-size: 13px;
}

.badge.ok {
  color: var(--ok);
  border-color: rgba(134, 239, 172, 0.38);
}

.badge.warn {
  color: var(--warn);
  border-color: rgba(253, 230, 138, 0.38);
}

.workspace {
  display: grid;
  grid-template-columns: 410px 1fr;
  gap: 18px;
  align-items: start;
}

.controls,
.stageWrap {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(18, 25, 42, 0.88);
  box-shadow: 0 20px 90px rgba(0, 0, 0, 0.28);
}

.controls {
  padding: 16px;
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 13px;
}

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

.inlineActions {
  display: grid;
  grid-template-columns: 1fr 96px;
  gap: 10px;
}

.checkField {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 2px 0 14px;
  padding: 10px 11px;
  border: 1px solid #3b4763;
  border-radius: 7px;
  background: rgba(24, 34, 56, 0.82);
  color: var(--text);
  font-weight: 800;
}

.checkField input {
  width: auto;
}

label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 700;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #3b4763;
  border-radius: 7px;
  background: var(--panel-2);
  color: var(--text);
  padding: 10px 11px;
}

textarea {
  resize: vertical;
  line-height: 1.45;
}

input[type="range"] {
  padding: 0;
}

small {
  color: var(--muted);
  line-height: 1.4;
}

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

button,
.download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 43px;
  border: 1px solid #4f5d7a;
  border-radius: 7px;
  background: #24314c;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
}

button:hover,
.download:hover {
  border-color: var(--accent);
}

button:disabled {
  cursor: wait;
  opacity: 0.55;
}

.status {
  margin-top: 13px;
  padding: 11px;
  border-radius: 7px;
  background: rgba(103, 232, 249, 0.08);
  color: var(--muted);
  line-height: 1.55;
  font-size: 14px;
}

.status.ok {
  color: var(--ok);
}

.status.warn {
  color: var(--warn);
}

.status.error {
  color: var(--danger);
}

.stageWrap {
  display: grid;
  place-items: center;
  gap: 14px;
  padding: 16px;
  min-height: 72vh;
  overflow: auto;
}

canvas,
video {
  display: block;
  width: min(420px, 100%);
  aspect-ratio: 9 / 16;
  border-radius: 8px;
  background: #000;
}

canvas {
  image-rendering: pixelated;
}

.download {
  width: min(420px, 100%);
}

@media (max-width: 920px) {
  .app {
    padding: 14px;
  }

  .topbar,
  .workspace {
    display: grid;
  }

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

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

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

  .stageWrap {
    min-height: auto;
  }
}