:root {
  --bg: #0a0a0f;
  --bg2: #12121c;
  --panel: #1a1a26;
  --border: #2c2c3a;
  --text: #e8e8f0;
  --cyan: #00f0ff;
  --magenta: #ff2ec4;
  --acid: #b6ff2e;
  --yellow: #ffd60a;
  --red: #ff3b3b;
  --green: #2eff8a;
  --blue: #3b8cff;
}
:root:not(.dark) {
  --bg: #f4f1ea; --bg2: #eae5d8; --panel: #ffffff; --border: #d5cfc0;
  --text: #1a1a26;
}

* { box-sizing: border-box; }
body { margin: 0; }
.app-root {
  background: var(--bg);
  background-image:
    radial-gradient(circle at 15% 10%, rgba(255,46,196,0.10), transparent 40%),
    radial-gradient(circle at 85% 90%, rgba(0,240,255,0.10), transparent 40%);
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
}

.hidden { display: none; }

/* header */
.ytp-header {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 12px 18px;
  background: linear-gradient(90deg, var(--bg2), var(--panel));
  border-bottom: 3px solid var(--magenta);
  position: sticky; top: 0; z-index: 20;
  flex-wrap: wrap;
  box-shadow: 0 2px 20px rgba(255,46,196,0.2);
}
.ytp-title {
  font-family: 'Bungee', cursive;
  font-size: clamp(15px, 3vw, 26px);
  margin: 0; letter-spacing: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta), var(--acid));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 2px 2px 0 rgba(0,0,0,0.3);
  animation: jitter 6s infinite;
}
@keyframes jitter {
  0%,97%,100% { transform: translate(0,0); }
  98% { transform: translate(-2px,1px); }
  99% { transform: translate(2px,-1px); }
}

/* buttons */
.ytp-btn {
  font-family: 'Bungee', cursive;
  border: 2px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 12px 16px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  transition: transform .1s, box-shadow .1s, filter .1s;
  white-space: nowrap;
}
.ytp-btn:hover:not(:disabled) {
  transform: translateY(-2px) scale(1.02);
  text-shadow: 2px 0 var(--magenta), -2px 0 var(--cyan);
}
.ytp-btn:active:not(:disabled) { transform: translateY(0) scale(0.97); }
.ytp-btn.small { padding: 8px 12px; font-size: 12px; font-family: 'JetBrains Mono'; font-weight: 700; }
.ytp-btn.blue { border-color: var(--blue); box-shadow: 0 0 12px rgba(59,140,255,0.4); }
.ytp-btn.magenta { border-color: var(--magenta); box-shadow: 0 0 12px rgba(255,46,196,0.4); }
.ytp-btn.green { border-color: var(--green); box-shadow: 0 0 12px rgba(46,255,138,0.4); }
.ytp-btn.red { border-color: var(--red); box-shadow: 0 0 12px rgba(255,59,59,0.4); }
.ytp-btn.yellow { border-color: var(--yellow); box-shadow: 0 0 12px rgba(255,214,10,0.4); }

.action-bar {
  display: flex; gap: 10px; padding: 14px 18px; flex-wrap: wrap;
  background: var(--bg2); border-bottom: 1px solid var(--border);
}

.ytp-select {
  background: var(--panel); color: var(--text); border: 2px solid var(--border);
  border-radius: 8px; padding: 8px; font-family: 'JetBrains Mono'; font-size: 12px;
}

/* main grid */
.main-grid {
  display: grid; grid-template-columns: 380px 1fr; gap: 16px; padding: 16px; align-items: start;
}
@media (max-width: 900px) { .main-grid { grid-template-columns: 1fr; } }

.left-panel { display: flex; flex-direction: column; gap: 14px; }
.right-panel { display: flex; flex-direction: column; gap: 14px; }

.global-box, .preset-box, .effects-box, .status-box, .log-box, .stage {
  background: var(--panel); border: 2px solid var(--border); border-radius: 14px; padding: 14px;
}
.box-title { font-family: 'Bungee', cursive; font-size: 14px; margin: 0 0 10px; color: var(--cyan); }
.ctrl-label { font-size: 12px; display: block; margin-bottom: 4px; opacity: 0.9; }

/* sliders */
.ytp-slider { -webkit-appearance: none; appearance: none; height: 6px; border-radius: 4px;
  background: var(--border); outline: none; }
.ytp-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%;
  background: var(--magenta); cursor: pointer; box-shadow: 0 0 8px var(--magenta); }
.ytp-slider::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; border: none;
  background: var(--magenta); cursor: pointer; }

.ytp-check { width: 16px; height: 16px; accent-color: var(--acid); cursor: pointer; }

.seed-input, .search-input, .status-box input {
  background: var(--bg2); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 8px; font-family: 'JetBrains Mono'; font-size: 12px; width: 90px;
}
.search-input { width: 100%; margin-bottom: 10px; }

/* presets */
.preset-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.preset-btn {
  background: var(--bg2); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 8px 6px; font-size: 11px; cursor: pointer; text-align: left;
  transition: all .12s; font-weight: 700;
}
.preset-btn:hover { border-color: var(--acid); background: var(--panel);
  box-shadow: 0 0 10px rgba(182,255,46,0.3); transform: translateX(2px); }

/* effects */
.effects-box { max-height: 60vh; overflow-y: auto; }
.cat-block { margin-bottom: 8px; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.cat-header {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  background: var(--bg2); color: var(--cyan); border: none; padding: 8px 10px;
  font-family: 'Bungee', cursive; font-size: 12px; cursor: pointer;
}
.cat-header:hover { color: var(--magenta); }
.cat-body { padding: 6px; }
.effect-row { padding: 6px 8px; border-radius: 8px; margin-bottom: 3px; transition: background .1s; }
.effect-row.on { background: rgba(255,46,196,0.08); border: 1px solid rgba(255,46,196,0.3); }
.badge { font-size: 10px; }
.badge.live { filter: hue-rotate(0deg); }
.ministat { font-size: 9px; opacity: 0.6; display: block; }

/* stage */
.preview-canvas {
  width: 100%; aspect-ratio: 16/9; background: #000; border-radius: 10px;
  border: 2px solid var(--cyan); display: block;
  image-rendering: auto;
}
.stage-info { display: flex; justify-content: space-between; gap: 8px; font-size: 11px;
  margin-top: 8px; opacity: 0.8; }

.drop-zone {
  border: 4px dashed var(--magenta); border-radius: 16px; padding: 60px 20px;
  text-align: center; cursor: pointer; transition: all .2s;
  background: var(--panel);
}
.drop-zone:hover { border-color: var(--cyan); background: var(--bg2);
  box-shadow: inset 0 0 40px rgba(0,240,255,0.1); transform: scale(1.01); }

/* status */
.progress-track { height: 12px; background: var(--bg2); border-radius: 6px; overflow: hidden;
  border: 1px solid var(--border); }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--cyan), var(--magenta), var(--acid));
  transition: width .2s; }

/* log */
.log-box { padding: 0; overflow: hidden; }
.log-header { font-family: 'Bungee', cursive; font-size: 12px; padding: 8px 12px;
  background: var(--bg2); color: var(--acid); border-bottom: 1px solid var(--border); }
.log-body { height: 160px; overflow-y: auto; padding: 8px 12px; background: #05050a;
  font-size: 11px; line-height: 1.5; color: var(--acid); }
.log-line { white-space: pre-wrap; word-break: break-word; }

/* footer */
.ytp-footer { text-align: center; padding: 20px; font-size: 12px; opacity: 0.7;
  border-top: 1px solid var(--border); }
.remix-link { color: var(--magenta); text-decoration: none; font-weight: 700; }
.remix-link:hover { color: var(--cyan); text-decoration: underline; }

/* scrollbars */
.effects-box::-webkit-scrollbar, .log-body::-webkit-scrollbar { width: 8px; }
.effects-box::-webkit-scrollbar-thumb, .log-body::-webkit-scrollbar-thumb {
  background: var(--border); border-radius: 4px; }