:root { --bg: #0f0f15; --panel: #1a1a24; --accent: #00d4ff; --on: #ff00ff; }
body { background: var(--bg); color: #fff; font-family: 'Courier New', monospace; margin: 0; display: flex; justify-content: center; }
#app { width: 100%; max-width: 450px; padding: 15px; }

header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.logo { font-size: 18px; color: var(--accent); font-weight: bold; border-left: 4px solid var(--accent); padding-left: 10px; }

.control-group { background: var(--panel); padding: 12px; border-radius: 8px; margin-bottom: 12px; border: 1px solid #333; }
.control-group h3 { font-size: 10px; color: #888; margin: 0 0 10px 0; letter-spacing: 1px; }

.p-box { display: flex; flex-direction: column; margin-bottom: 8px; }
.p-box label { font-size: 9px; margin-bottom: 2px; }
.p-box span { font-size: 10px; color: var(--accent); text-align: right; }
input[type="range"] { width: 100%; accent-color: var(--accent); }

.btn-trigger { width: 100%; padding: 15px; background: var(--accent); border: none; border-radius: 8px; font-weight: bold; font-size: 16px; cursor: pointer; }
.btn-export { background: #333; color: var(--accent); border: 1px solid var(--accent); padding: 5px 10px; border-radius: 4px; cursor: pointer; }

.step-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 5px; background: #000; padding: 10px; border-radius: 8px; margin-top: 10px; }
.step { height: 40px; background: #222; border-radius: 4px; cursor: pointer; }
.step.active { background: var(--on); box-shadow: 0 0 10px var(--on); }