:root {
  --bg: #101418;
  --panel: rgba(18, 26, 34, 0.92);
  --panel-border: rgba(157, 181, 198, 0.18);
  --text: #eff3f6;
  --muted: #8ea1b2;
  --accent: #f5a524;
  --accent-strong: #ffbf47;
  --canvas-bg: #0c1014;
  --carpet-shadow: rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(245, 165, 36, 0.18), transparent 26%),
    radial-gradient(circle at bottom right, rgba(96, 154, 199, 0.16), transparent 24%),
    linear-gradient(160deg, #0b0f12 0%, #111820 54%, #0c1014 100%);
}

.app-shell {
  min-height: 100vh;
  padding: 18px;
}

.workspace {
  width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.workspace-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding: 0 6px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent-strong);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 1.85rem;
  line-height: 1;
}

.workspace-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.panel {
  padding: 16px 18px;
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.18);
}

button,
input {
  font: inherit;
}

button {
  padding: 12px 14px;
  border: 0;
  border-radius: 12px;
  color: #11151a;
  background: linear-gradient(135deg, var(--accent) 0%, #ffd16b 100%);
  cursor: pointer;
  transition: transform 120ms ease, filter 120ms ease;
}

button:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
}

button:active {
  transform: translateY(0);
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

input[type="number"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid rgba(157, 181, 198, 0.22);
  border-radius: 10px;
  color: var(--text);
  background: rgba(11, 16, 21, 0.65);
}

.canvas-frame {
  flex: 1;
  min-height: 0;
  padding: 0;
  overflow: hidden;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent),
    var(--canvas-bg);
  border: 1px solid rgba(157, 181, 198, 0.14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  position: relative;
}

.canvas-container {
  border-radius: 18px;
  box-shadow: 0 24px 40px var(--carpet-shadow);
  margin: 0;
  height: 100vh !important;
}

.selection-info {
  min-height: 28px;
  padding: 10px 14px;
  border: 1px solid rgba(157, 181, 198, 0.18);
  border-radius: 999px;
  background: rgba(11, 16, 21, 0.52);
  color: var(--text);
  font-size: 0.95rem;
}

.hint {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

kbd {
  padding: 2px 6px;
  border-radius: 6px;
  border: 1px solid rgba(157, 181, 198, 0.24);
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.85em;
}

.controls-bar {
  display: grid;
  gap: 12px;
}

.controls-panel {
  display: grid;
  gap: 12px;
}

.controls-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: end;
}

.controls-row label {
  min-width: 132px;
}

.display-row label {
  min-width: 150px;
}

.action-row {
  align-items: center;
}

.check-field {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: auto;
  padding-bottom: 10px;
}

.check-field input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

@media (max-width: 980px) {
  .app-shell {
    padding: 12px;
  }

  .workspace-header {
    align-items: start;
    flex-direction: column;
  }

  .workspace-meta {
    justify-content: flex-start;
  }

  .canvas-frame {
    min-height: 62vh;
  }
}