@font-face {
  font-family: 'College Slab';
  src: url('../images/CollegeSlabSC.otf') format('opentype');
  font-display: swap;
}

:root {
  --bg: #14161c;
  --panel: #1c1f28;
  --panel-2: #232733;
  --border: #2e3341;
  --text: #e8eaf0;
  --muted: #9aa1b4;
  --accent: #d6b25a;
  --accent-2: #4d7cff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

header h1 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.5px;
}

header h1 span {
  color: var(--muted);
  font-weight: 400;
  font-size: 14px;
}

main {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 20px;
  padding: 20px;
  align-items: start;
}

.controls {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field.row {
  gap: 4px;
}

.field label {
  font-size: 12.5px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
}

.field label span {
  color: var(--accent);
  font-weight: 600;
}

input[type="text"], select {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 14px;
}

input[type="color"] {
  width: 100%;
  height: 34px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

details {
  border-top: 1px solid var(--border);
  padding-top: 10px;
}

details summary {
  cursor: pointer;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
}

details > .field { margin-bottom: 10px; }

.swatch-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.swatch {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.15);
}

.swatch.selected {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 2px var(--panel), 0 0 0 4px var(--accent-2);
}

.swatch.rainbow {
  background: conic-gradient(red, orange, yellow, limegreen, deepskyblue, blue, violet, red);
}

.tabs {
  display: flex;
  gap: 6px;
}

.tab {
  flex: 1;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
}

.tab.active {
  background: var(--accent-2);
  color: #fff;
  border-color: var(--accent-2);
}

button {
  cursor: pointer;
  border: none;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13.5px;
  font-weight: 600;
  background: var(--accent-2);
  color: #fff;
}

button.secondary {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.preview {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.canvas-wrap {
  background: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
  overflow: hidden;
}

canvas {
  max-width: 100%;
  height: auto;
  display: block;
}

.actions {
  display: flex;
  gap: 10px;
}