/* ControllerMeta-inspired design system */
:root {
  --cs-bg-primary: #0f1117;
  --cs-bg-card: #1a1d27;
  --cs-bg-card-hover: #22263a;
  --cs-border: #2a2e3e;
  --cs-text-primary: #e4e6ef;
  --cs-text-secondary: #8b8fa3;
  --cs-accent-blue: #4f8cff;
  --cs-accent-green: #34d399;
  --cs-accent-red: #f43f5e;
  --cs-accent-orange: #fb923c;
  --cs-accent-purple: #a78bfa;
  --cs-dot-color: #f43f5e;
  --cs-grid-line: rgba(255, 255, 255, 0.08);
  --cs-viz-bg: #1a1d27;
  --cs-viz-stroke: #2f3446;
  --cs-viz-stroke-focus: #4f8cff;
  --cs-viz-text: #8b8fa3;
  --cs-viz-glass: rgba(255, 255, 255, 0.03);
  --nav-w: 200px;
  --header-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--cs-bg-primary);
  color: var(--cs-text-primary);
  user-select: none;
  overflow: hidden;
}

.cs-mono {
  font-family: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  font-variant-numeric: tabular-nums;
}

/* Loader */
#loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--cs-bg-primary);
  transition: opacity 0.4s, visibility 0.4s;
}
body.loaded #loader { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-logo {
  font-weight: 900;
  font-size: 2rem;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}
.loader-logo span { color: var(--cs-accent-blue); }
.loader-spin {
  width: 40px; height: 40px;
  border: 3px solid rgba(79, 140, 255, 0.12);
  border-top-color: var(--cs-accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* App shell */
.app-root {
  display: flex;
  height: 100vh;
}

.app-nav {
  width: var(--nav-w);
  flex-shrink: 0;
  background: var(--cs-bg-card);
  border-right: 1px solid var(--cs-border);
  display: flex;
  flex-direction: column;
  padding: 1rem 0.75rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0.5rem 1.25rem;
  border-bottom: 1px solid var(--cs-border);
  margin-bottom: 0.75rem;
}
.nav-logo {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--cs-accent-blue), #6366f1);
  display: grid; place-items: center;
  font-weight: 900; font-size: 0.75rem;
}
.nav-brand strong { display: block; font-size: 0.85rem; }
.nav-brand small { color: var(--cs-text-secondary); font-size: 0.68rem; }

.nav-links { flex: 1; }
.nav-link {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  color: var(--cs-text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 0.15s, color 0.15s;
}
.nav-link:hover { background: rgba(255,255,255,0.04); color: var(--cs-text-primary); }
.nav-link.is-active {
  background: rgba(79, 140, 255, 0.12);
  color: var(--cs-accent-blue);
}

.nav-foot {
  padding: 0.75rem 0.5rem 0;
  border-top: 1px solid var(--cs-border);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.nav-foot small { color: var(--cs-text-secondary); font-size: 0.68rem; }
.nav-version { color: var(--cs-accent-blue) !important; }

.app-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.app-header {
  height: var(--header-h);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  background: var(--cs-bg-card);
  border-bottom: 1px solid var(--cs-border);
  gap: 1rem;
}
.header-left h1 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  max-width: 360px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.header-tags { display: flex; gap: 0.4rem; margin-top: 0.2rem; }
.header-right { display: flex; align-items: center; gap: 0.6rem; }

.conn-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #6b7280;
}
.conn-dot.on {
  background: var(--cs-accent-green);
  box-shadow: 0 0 8px rgba(52, 211, 153, 0.5);
}

.app-main {
  flex: 1;
  overflow: auto;
  padding: 0.75rem;
}

/* Cards */
.cs-card {
  background: var(--cs-bg-card);
  border: 1px solid var(--cs-border);
  border-radius: 12px;
  padding: 14px;
  transition: border-color 0.2s;
}
.cs-card:hover { border-color: rgba(79, 140, 255, 0.35); }

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}
.card-head h3, .card-title {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--cs-text-primary);
}
.card-title { margin-bottom: 0.75rem; }

.tag {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 5px;
  background: rgba(255,255,255,0.06);
  color: var(--cs-text-secondary);
  border: 1px solid var(--cs-border);
}
.tag--blue { color: var(--cs-accent-blue); border-color: rgba(79,140,255,0.3); background: rgba(79,140,255,0.08); }
.tag--green { color: var(--cs-accent-green); border-color: rgba(52,211,153,0.3); background: rgba(52,211,153,0.08); }

.badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: rgba(79,140,255,0.15);
  color: var(--cs-accent-blue);
}

.btn, .btn-mini {
  border: 1px solid var(--cs-border);
  background: var(--cs-bg-primary);
  color: var(--cs-text-primary);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.82rem;
  padding: 0.4rem 0.75rem;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover, .btn-mini:hover { background: var(--cs-bg-card-hover); border-color: #484f58; }
.btn-mini { font-size: 0.68rem; padding: 0.2rem 0.5rem; }
.btn--primary { background: #2563eb; border-color: #3b82f6; color: #fff; }
.btn--primary:hover { background: #3b82f6; }
.btn--primary:disabled { opacity: 0.4; cursor: not-allowed; }
.btn--block { width: 100%; margin-top: 0.5rem; }

select {
  background: var(--cs-bg-primary);
  border: 1px solid var(--cs-border);
  color: var(--cs-text-primary);
  border-radius: 8px;
  padding: 0.35rem 0.55rem;
  font-size: 0.82rem;
  max-width: 180px;
}

/* Dashboard grid — mirrors ControllerMeta 12-col layout */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 0.75rem;
  max-width: 1600px;
  margin: 0 auto;
  min-width: 720px;
}

.stick-card { grid-column: span 4; min-height: 240px; }
.stats-card { grid-column: span 4; min-height: 240px; }
.viz-card { grid-column: span 4; min-height: 200px; }
.trigger-card { grid-column: span 4; min-height: 200px; }
.log-card { grid-column: span 4; min-height: 200px; display: flex; flex-direction: column; }

/* Stick canvas */
.stick-canvas-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  background: var(--cs-bg-primary);
}
.stick-canvas-wrap canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.stick-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.5rem;
  font-size: 0.72rem;
  color: var(--cs-text-secondary);
}
.stick-foot b { color: var(--cs-text-primary); }
.circ-toggle {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  cursor: pointer;
  font-size: 0.68rem;
  user-select: none;
}
.circ-toggle input { accent-color: var(--cs-accent-blue); }

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.stat-item {
  background: var(--cs-bg-primary);
  border: 1px solid var(--cs-border);
  border-radius: 8px;
  padding: 0.5rem 0.65rem;
}
.stat-item span {
  display: block;
  font-size: 0.65rem;
  color: var(--cs-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.15rem;
}
.stat-item strong { font-size: 1rem; }
.stat-item em { font-style: normal; color: var(--cs-accent-blue); }

.field { display: grid; gap: 0.35rem; font-size: 0.75rem; color: var(--cs-text-secondary); font-weight: 600; }
.field-row { display: flex; align-items: center; gap: 0.5rem; }
.field-row input[type="range"] { flex: 1; accent-color: var(--cs-accent-blue); }
.field-row output { min-width: 3rem; text-align: right; color: var(--cs-text-primary); font-size: 0.72rem; }

.stat-note {
  font-size: 0.65rem;
  color: var(--cs-text-secondary);
  margin: 0 0 0.65rem;
  line-height: 1.4;
  opacity: 0.85;
}

.hint, .tiny {
  font-size: 0.72rem;
  color: var(--cs-text-secondary);
  margin: 0.5rem 0 0;
  text-align: center;
}

/* Visualizer */
.viz-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0;
}
#gamepad-svg {
  width: 100%;
  max-width: 420px;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.4));
}

/* Triggers */
.trigger-bars { display: grid; gap: 0.75rem; margin-bottom: 1rem; }
.trigger-head {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}
.trigger-track {
  height: 8px;
  border-radius: 999px;
  background: var(--cs-bg-primary);
  border: 1px solid var(--cs-border);
  overflow: hidden;
}
.trigger-track i {
  display: block;
  height: 100%;
  border-radius: 999px;
  transition: width 0.05s;
}
.trigger-pct {
  display: block;
  text-align: right;
  font-size: 0.72rem;
  color: var(--cs-text-secondary);
  margin-top: 0.2rem;
}

.rumble-block { border-top: 1px solid var(--cs-border); padding-top: 0.75rem; }

/* Axes log */
.axes-log {
  flex: 1;
  overflow: auto;
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--cs-border);
  border-radius: 8px;
  padding: 0.65rem;
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--cs-text-secondary);
  max-height: 140px;
}
.axes-log .axis-on { color: var(--cs-accent-green); }

/* Scrollbar */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-thumb { background: var(--cs-border); border-radius: 3px; }

@media (max-width: 1100px) {
  .dashboard-grid { min-width: 0; }
  .stick-card, .stats-card,
  .viz-card, .trigger-card, .log-card {
    grid-column: span 6;
  }
}
@media (max-width: 700px) {
  .app-nav { display: none; }
  .stick-card, .stats-card,
  .viz-card, .trigger-card, .log-card {
    grid-column: span 12;
  }
}