:root {
  color-scheme: dark;
  --bg: #0c0d10;
  --panel: #141519;
  --panel-2: #1a1c21;
  --line: #24262d;
  --line-2: #30333b;
  --text: #ececf0;
  --muted: #8d919c;
  --faint: #5d616b;
  --accent: #ff5c8a;      /* one flat accent for "active" */
  --ok: #4ade80;
  --warn: #f5b942;
  --danger: #f2555a;
  --radius: 14px;
  --radius-sm: 9px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { font: 15px/1.5 var(--font); color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: var(--text); text-decoration: underline; text-decoration-color: var(--line-2); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--text); }
h1, h2, h3 { margin: 0; letter-spacing: -0.015em; }
h3 { font-size: 0.95rem; font-weight: 600; }
code { font-family: var(--mono); font-size: 0.85em; background: var(--panel-2); border: 1px solid var(--line); padding: 0.05em 0.35em; border-radius: 5px; }
.muted { color: var(--muted); }
.small { font-size: 0.82rem; }
.hidden { display: none !important; }
svg.i { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
svg.i.sm { width: 15px; height: 15px; }
svg.i.xs { width: 13px; height: 13px; }

/* ---------- layout ---------- */
.app { display: grid; grid-template-columns: 220px minmax(0, 1fr); min-height: 100vh; }
.sidebar {
  position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 1.6rem;
  padding: 1.25rem 0.85rem; border-right: 1px solid var(--line); background: var(--bg);
}
.brand { display: flex; align-items: center; gap: 0.65rem; padding: 0 0.45rem; color: var(--text); text-decoration: none; }
.brand strong { font-size: 1.05rem; font-weight: 700; letter-spacing: -0.02em; }
.brand small { display: block; font-size: 0.72rem; color: var(--muted); }
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav button {
  display: flex; align-items: center; gap: 0.7rem; width: 100%; padding: 0.6rem 0.7rem;
  border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--muted);
  font: 500 0.92rem var(--font); cursor: pointer;
}
.nav button:hover { color: var(--text); background: var(--panel); }
.nav button.active { color: var(--text); background: var(--panel-2); }
.nav button.active svg { color: var(--accent); }
.sidebar-foot { margin-top: auto; display: flex; justify-content: space-between; align-items: center; padding: 0 0.45rem; font-size: 0.8rem; color: var(--muted); }
.sidebar-foot a { display: inline-flex; gap: 0.4rem; align-items: center; color: var(--muted); text-decoration: none; }
.sidebar-foot a:hover { color: var(--text); }

.main { padding: 1.25rem clamp(1rem, 3vw, 2.25rem) 3rem; min-width: 0; max-width: 1320px; width: 100%; margin: 0 auto; }

/* ---------- top bar ---------- */
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.1rem; }
.topbar h1 { font-size: 1.55rem; font-weight: 700; }
.topbar p { margin: 0.1rem 0 0; color: var(--muted); font-size: 0.9rem; }
.top-actions { display: flex; align-items: center; gap: 0.5rem; }
.status {
  display: flex; align-items: center; height: 38px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--panel); font-size: 0.86rem; overflow: hidden;
}
.status > div { display: flex; align-items: center; gap: 0.45rem; padding: 0 0.8rem; height: 100%; }
.status > div + div { border-left: 1px solid var(--line); }
.status .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); }
.status.on .dot { background: var(--ok); }
.status.sim .dot { background: #7aa7ff; }
.battery-gauge { display: inline-flex; align-items: center; gap: 0.4rem; font-variant-numeric: tabular-nums; }
.battery-gauge svg.cell { width: 26px; height: 14px; }
.battery-gauge .fill { fill: var(--ok); }
.battery-gauge.mid .fill { fill: var(--warn); }
.battery-gauge.low .fill { fill: var(--danger); }
.battery-gauge .bolt { display: none; color: var(--warn); }
.battery-gauge.charging .bolt { display: inline-block; }
.sync { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.82rem; color: var(--muted); }
.sync.ok { color: var(--ok); }
.sync.err { color: var(--danger); }
.sync svg { display: none; }
.sync.ok .ok-i, .sync.err .err-i { display: inline-block; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem;
  height: 38px; padding: 0 0.95rem; border-radius: 10px; border: 1px solid var(--line-2);
  background: var(--panel-2); color: var(--text); font: 500 0.88rem var(--font); cursor: pointer; white-space: nowrap;
  transition: background .12s, border-color .12s;
}
.btn:hover { background: #22242b; border-color: #3b3e47; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .4; pointer-events: none; }
.btn.primary { background: var(--text); border-color: var(--text); color: #0c0d10; font-weight: 600; }
.btn.primary:hover { background: #ffffff; }
.btn.ghost { background: transparent; }
.btn.danger { background: transparent; border-color: #5a2a2d; color: #ff8a8e; }
.btn.danger:hover { background: #2a1516; }
.btn.sm { height: 32px; padding: 0 0.7rem; font-size: 0.82rem; border-radius: 8px; }
.btn.lg { height: 44px; padding: 0 1.2rem; font-size: 0.95rem; }
.btn.block { width: 100%; }
.icon-btn {
  display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--panel); color: var(--muted); cursor: pointer;
}
.icon-btn:hover { color: var(--text); border-color: var(--line-2); }
.icon-btn[aria-pressed="true"] { color: var(--text); background: var(--panel-2); border-color: var(--line-2); }
.icon-btn[aria-pressed="true"] svg { color: var(--accent); }

/* ---------- welcome ---------- */
.welcome {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem 1.5rem; flex-wrap: wrap;
  padding: 0.95rem 1.15rem; margin-bottom: 1.1rem; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--accent);
}
.welcome h2 { font-size: 1rem; margin-bottom: 0.15rem; }
.welcome p { margin: 0.1rem 0; max-width: 72ch; font-size: 0.9rem; color: var(--muted); }
.welcome p b { color: var(--text); font-weight: 600; }
.welcome-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ---------- stage: the colourful part ---------- */
.stage { border-radius: 18px; padding: clamp(0.75rem, 2vw, 1.4rem); background: #08090b; border: 1px solid var(--line); margin-bottom: 1.1rem; }
#stage { display: block; width: 100%; aspect-ratio: 2.3; max-height: min(40vh, 480px); margin: 0 auto; touch-action: none; }
.stage.interactive #stage { cursor: crosshair; }
.stage-hint { margin-top: 0.5rem; min-height: 1.1em; text-align: center; font-size: 0.78rem; color: var(--faint); }

/* ---------- cards ---------- */
.panel { display: none; }
.panel.active { display: block; }
.cards { display: grid; gap: 1rem; align-items: start; }
.cards.two { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
.cards.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { display: flex; flex-direction: column; gap: 0.85rem; padding: 1.05rem 1.1rem; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--line); min-width: 0; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 0.6rem; }
.about { margin-top: 1rem; color: var(--muted); }
.about p { margin: 0; max-width: 85ch; }
.about code.copy { display: block; margin-top: 0.45rem; padding: 0.6rem 0.75rem; white-space: pre-wrap; word-break: break-all; cursor: copy; color: var(--text); }

/* ---------- fields ---------- */
.field { display: flex; flex-direction: column; gap: 0.45rem; }
.field > label { font-size: 0.76rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.slider { display: flex; align-items: center; gap: 0.9rem; }
.slider output { min-width: 1.2rem; font-weight: 600; font-variant-numeric: tabular-nums; }
input[type=range] {
  -webkit-appearance: none; appearance: none; flex: 1; height: 4px; border-radius: 99px; outline: none;
  background: linear-gradient(90deg, var(--accent) var(--p, 50%), var(--line-2) var(--p, 50%));  /* hard stop: a filled track */
}
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%; background: var(--text); border: 0; cursor: pointer; }
input[type=range]::-moz-range-thumb { width: 16px; height: 16px; border: 0; border-radius: 50%; background: var(--text); cursor: pointer; }
input[type=range]:disabled { opacity: 0.3; }
input:not([type]), input[type=text], input[type=number], input[list], #preset-name, #macro-events {
  height: 38px; padding: 0 0.8rem; border-radius: 9px; border: 1px solid var(--line-2);
  background: #0f1013; color: var(--text); font: 0.9rem var(--font); outline: none; min-width: 0;
}
#macro-events { font-family: var(--mono); }
input:focus { border-color: #4a4d57; }

.seg { display: inline-flex; flex-wrap: wrap; gap: 3px; padding: 3px; border-radius: 10px; background: #0f1013; border: 1px solid var(--line); }
.seg button {
  display: inline-flex; align-items: center; gap: 0.4rem; border: 0; border-radius: 7px; padding: 0.45rem 0.75rem;
  background: transparent; color: var(--muted); font: 500 0.85rem var(--font); cursor: pointer;
}
.seg button:hover { color: var(--text); }
.seg button.active { background: var(--panel-2); color: var(--text); box-shadow: inset 0 0 0 1px var(--line-2); }
.seg.vertical { display: flex; flex-direction: column; }
.seg.vertical button { justify-content: flex-start; padding: 0.6rem 0.8rem; }
.seg[aria-disabled=true] { opacity: 0.3; pointer-events: none; }

.switch { display: inline-flex; align-items: center; gap: 0.6rem; cursor: pointer; font-size: 0.9rem; user-select: none; }
.switch input { display: none; }
.switch span { position: relative; width: 36px; height: 20px; border-radius: 99px; background: var(--line-2); transition: background .15s; flex: none; }
.switch span::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: var(--text); transition: transform .15s; }
.switch input:checked + span { background: var(--accent); }
.switch input:checked + span::after { transform: translateX(16px); }
.switch.sm { font-size: 0.82rem; color: var(--muted); }

.swatches { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.swatch { width: 30px; height: 30px; border-radius: 50%; border: 0; cursor: pointer; padding: 0; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.14); }
.swatch:hover { transform: scale(1.06); }
.swatch.active { box-shadow: 0 0 0 2px var(--panel), 0 0 0 4px var(--text); }
.swatch.rainbow { background: conic-gradient(#f2555a, #f5b942, #4ade80, #38bdf8, #6366f1, #d946ef, #f2555a); }
.swatches.small .swatch { width: 24px; height: 24px; }
.color-chip { display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.2rem 0.65rem 0.2rem 0.25rem; border-radius: 99px; border: 1px solid var(--line); cursor: pointer; font-size: 0.82rem; color: var(--muted); }
.color-chip input { width: 24px; height: 24px; border: 0; padding: 0; border-radius: 50%; background: none; cursor: pointer; }
.color-chip input::-webkit-color-swatch-wrapper { padding: 0; }
.color-chip input::-webkit-color-swatch { border: 0; border-radius: 50%; }
.color-chip input::-moz-color-swatch { border: 0; border-radius: 50%; }

/* ---------- gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0.6rem; }
.effect {
  position: relative; display: flex; flex-direction: column; gap: 0.45rem; padding: 0.45rem; border-radius: 11px;
  background: #0f1013; border: 1px solid var(--line); cursor: pointer; text-align: left; color: var(--text); font: 500 0.82rem var(--font);
}
.effect:hover { border-color: var(--line-2); }
.effect.active { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.effect canvas { width: 100%; aspect-ratio: 2.3; border-radius: 7px; background: #07080a; }
.effect span { padding: 0 0.15rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.effect .tag { position: absolute; top: 0.8rem; right: 0.8rem; display: inline-flex; align-items: center; gap: 0.25rem; font: 600 0.62rem var(--font); padding: 0.12rem 0.4rem; border-radius: 6px; background: rgba(12,13,16,0.85); color: var(--text); border: 1px solid var(--line-2); }

/* ---------- per-key ---------- */
.toolbar { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 0.65rem; margin-bottom: 1rem; padding: 0.65rem 0.85rem; }
.tool-sep { width: 1px; height: 26px; background: var(--line); }
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.35rem 0.7rem; border-radius: 8px; border: 1px solid var(--line-2); background: transparent; color: var(--text); font: 500 0.82rem var(--font); cursor: pointer; }
.chip:hover { background: var(--panel-2); }
.inline { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.inline input { flex: 1; }
.inline.end { justify-content: flex-end; }
.preset-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.preset { display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.25rem 0.3rem; border-radius: 8px; background: #0f1013; border: 1px solid var(--line); font-size: 0.82rem; cursor: pointer; }
.preset i { width: 20px; height: 20px; border-radius: 5px; }
.preset button { display: inline-grid; place-items: center; border: 0; background: none; color: var(--faint); cursor: pointer; padding: 0.1rem; }
.preset button:hover { color: var(--danger); }
.dirty { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.82rem; color: var(--warn); min-height: 1.2em; }
.dirty:not(:empty)::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--warn); }

/* ---------- remap / macro ---------- */
.picked { display: flex; align-items: center; gap: 0.75rem; }
.picked input { flex: 1; }
.picked > svg { color: var(--faint); }
.keycap {
  display: grid; place-items: center; min-width: 54px; height: 48px; padding: 0 0.65rem; border-radius: 9px;
  font-weight: 600; font-size: 0.92rem; background: #23252c; box-shadow: inset 0 -3px 0 rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.06);
}
.keycap.empty { color: var(--faint); }
.keycap.small { min-width: 38px; height: 30px; font-size: 0.78rem; border-radius: 7px; padding: 0 0.45rem; }
.rows { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.4rem; }
.rows li { display: flex; align-items: center; gap: 0.6rem; padding: 0.4rem 0.5rem; border-radius: 10px; background: #0f1013; border: 1px solid var(--line); }
.rows li .what { flex: 1; min-width: 0; display: inline-flex; align-items: center; gap: 0.4rem; overflow: hidden; white-space: nowrap; font-family: var(--mono); font-size: 0.84rem; }
.rows li .what svg { color: var(--faint); }
.rows .empty { color: var(--faint); background: none; border: 1px dashed var(--line); justify-content: center; font-size: 0.85rem; }
.timeline { display: flex; flex-wrap: wrap; gap: 0.3rem; min-height: 1.8rem; align-items: center; }
.ev { display: inline-flex; align-items: center; gap: 0.25rem; padding: 0.2rem 0.45rem; border-radius: 6px; font: 500 0.8rem var(--mono); }
.ev.down { background: #12261a; color: #86efac; border: 1px solid #1f4a2e; }
.ev.up { background: #2a1517; color: #fca5a5; border: 1px solid #522a2d; }
.ev-gap { color: var(--faint); font: 0.72rem var(--mono); }
.mini { display: inline-flex; align-items: center; gap: 0.45rem; font-size: 0.85rem; color: var(--muted); }
.mini input { width: 72px; flex: none; }

/* ---------- music ---------- */
canvas.bars { width: 100%; height: 150px; border-radius: 10px; background: #08090b; border: 1px solid var(--line); }

/* ---------- misc ---------- */
.log summary { cursor: pointer; color: var(--muted); font-size: 0.85rem; }
.log pre { max-height: 200px; overflow: auto; margin: 0.6rem 0 0; padding: 0.7rem; border-radius: 9px; background: #0b0c0e; border: 1px solid var(--line); font: 0.75rem/1.5 var(--mono); color: #9ab4d6; }
.toasts { position: fixed; right: 1.1rem; bottom: 1.1rem; display: flex; flex-direction: column; gap: 0.45rem; z-index: 50; }
.toast {
  display: flex; gap: 0.6rem; align-items: center; max-width: 380px; padding: 0.65rem 0.9rem;
  border-radius: 10px; background: var(--panel-2); border: 1px solid var(--line-2); font-size: 0.87rem;
  animation: toast .18s ease-out;
}
.toast svg { color: var(--ok); }
.toast.error svg { color: var(--danger); }
.toast.warn svg { color: var(--warn); }
@keyframes toast { from { opacity: 0; transform: translateY(6px); } }
dialog { border: 1px solid var(--line-2); border-radius: 14px; padding: 1.3rem; max-width: 420px; width: calc(100% - 2rem); background: var(--panel); color: var(--text); }
dialog::backdrop { background: rgba(0, 0, 0, 0.6); }
dialog h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.bottom-nav { display: none; }

@media (max-width: 1100px) { .cards.three { grid-template-columns: 1fr 1fr; } }
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .main { padding-bottom: 6rem; }
  .cards.two, .cards.three { grid-template-columns: 1fr; }
  .bottom-nav {
    display: flex; position: fixed; left: 0.5rem; right: 0.5rem; bottom: calc(0.5rem + env(safe-area-inset-bottom));
    z-index: 40; justify-content: space-around; padding: 0.3rem; border-radius: 14px; background: var(--panel); border: 1px solid var(--line-2);
  }
  .bottom-nav button { display: flex; flex-direction: column; align-items: center; gap: 0.15rem; flex: 1; padding: 0.4rem 0; border: 0; border-radius: 10px; background: none; color: var(--muted); font: 500 0.66rem var(--font); }
  .bottom-nav button.active { color: var(--text); background: var(--panel-2); }
  .bottom-nav button.active svg { color: var(--accent); }
  .toasts { bottom: 5.4rem; left: 1rem; right: 1rem; }
  .topbar p { display: none; }
}
@media (max-width: 600px) {
  .status .name { display: none; }
  #connect span { display: none; }
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}