/* CSS Border Radius Morpher — Purple Dark */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #8B5CF6;
  --primary-dim: rgba(139,92,246,0.12);
  --primary-glow: rgba(139,92,246,0.3);
  --accent: #06B6D4;
  --accent-dim: rgba(6,182,212,0.12);
  --bg: #0C0A14;
  --bg-card: #171322;
  --border: rgba(139,92,246,0.10);
  --text: #E8E2F0;
  --text-dim: #9B8FB8;
  --text-muted: #5C4F7A;
  --radius: 12px;
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --transition: 0.15s ease;
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); background: var(--bg); color: var(--text); min-height: 100vh; line-height: 1.6; overflow-x: hidden; }

.header { border-bottom: 1px solid var(--border); background: rgba(23,19,34,0.95); backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 10; }
.header-inner { max-width: 700px; margin: 0 auto; padding: 12px 20px; display: flex; align-items: center; }
.header-left { display: flex; align-items: center; gap: 10px; }
.logo-icon { font-size: 1.2rem; width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; background: var(--primary-dim); border-radius: 8px; }
.header h1 { font-size: 1.05rem; font-weight: 700; }
.subtitle { font-size: 0.72rem; color: var(--text-dim); }

.main { max-width: 700px; margin: 0 auto; padding: 20px; }

.canvas-area { display: flex; justify-content: center; margin-bottom: 16px; }
.blob-container { position: relative; width: 300px; height: 300px; }
.blob { width: 100%; height: 100%; background: linear-gradient(135deg, var(--primary), #A78BFA); border-radius: 50%; transition: border-radius 0.05s linear; }
.handle { position: absolute; width: 18px; height: 18px; background: var(--accent); border: 2px solid #fff; border-radius: 50%; cursor: grab; z-index: 5; transform: translate(-50%, -50%); transition: transform var(--transition); }
.handle:hover, .handle:active { transform: translate(-50%, -50%) scale(1.5); }
.handle-y { background: #F59E0B; }

.controls { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; }
.btn-row { display: flex; gap: 6px; margin-bottom: 10px; }
.btn { padding: 8px 16px; font-family: var(--font); font-size: 0.78rem; font-weight: 600; border: none; border-radius: 6px; cursor: pointer; transition: all var(--transition); }
.btn-sm { padding: 5px 10px; font-size: 0.72rem; }
.btn-primary { background: linear-gradient(135deg, var(--primary), #7C3AED); color: #fff; }
.btn-primary:hover { box-shadow: 0 4px 16px var(--primary-glow); }
.btn-accent { background: var(--accent-dim); color: var(--accent); border: 1px solid rgba(6,182,212,0.2); }

.presets { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; margin-bottom: 10px; }
.presets-label { font-size: 0.68rem; color: var(--text-muted); margin-right: 4px; }
.preset-btn { padding: 3px 8px; font-family: var(--font); font-size: 0.68rem; font-weight: 600; color: var(--text-dim); background: rgba(139,92,246,0.06); border: 1px solid transparent; border-radius: 4px; cursor: pointer; transition: all var(--transition); }
.preset-btn:hover { color: var(--primary); border-color: rgba(139,92,246,0.2); }

.size-row, .color-row { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.size-label, .color-label { font-size: 0.68rem; color: var(--text-muted); min-width: 36px; }
.slider { flex: 1; accent-color: var(--primary); }
.size-val { font-family: var(--mono); font-size: 0.68rem; color: var(--text-dim); min-width: 40px; }
.color-input { width: 32px; height: 24px; border: none; cursor: pointer; background: none; }

.output-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.panel-header { padding: 8px 14px; border-bottom: 1px solid var(--border); }
.panel-label { font-size: 0.72rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.code-output { padding: 12px 14px; font-family: var(--mono); font-size: 0.75rem; color: var(--accent); white-space: pre-wrap; word-break: break-all; margin: 0; }

.toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 200; display: flex; flex-direction: column-reverse; gap: 8px; }
.toast { padding: 10px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; box-shadow: 0 4px 24px rgba(0,0,0,0.5); font-size: 0.82rem; animation: toastIn 0.3s ease; }
@keyframes toastIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }