/* ===========================================================================
   ZANKYŌ 残響 — gritty cyberpunk-Tokyo console
   Near-black, neon red + cyan, scanlines, glitch. Beauty + noise, year 3042.
   =========================================================================== */

.zankyo-scene {
  --bg:        #050507;
  --surface:   #0a0a0f;
  --surface-2: #0f0f17;
  --border:    #241a22;
  --grid:      #15101a;
  --ink:       #d6d2dc;
  --ink-dim:   #6b6473;
  --ink-label: #8a7e92;
  --red:       #ff2d55;
  --red-rgb:   255, 45, 85;
  --cyan:      #16e0e0;
  --cyan-rgb:  22, 224, 224;
  --magenta:   #ff3df0;
  --magenta-rgb:255, 61, 240;
  --amber:     #ffb000;
  --amber-rgb: 255, 176, 0;

  max-width: 820px;
  margin: 0 auto;
  padding: 8px 16px 56px;
  font-family: "JetBrains Mono", monospace;
  color: var(--ink);
}

.zankyo-frame {
  position: relative;
  background:
    radial-gradient(130% 70% at 50% -10%, rgba(var(--red-rgb), 0.08), transparent 55%),
    radial-gradient(120% 90% at 80% 120%, rgba(var(--cyan-rgb), 0.06), transparent 60%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 26px 24px 28px;
  box-shadow: 0 0 0 1px rgba(var(--red-rgb), 0.05), 0 24px 90px rgba(0,0,0,0.7);
  overflow: hidden;
}
/* CRT scanlines overlay */
.zankyo-scanlines {
  position: absolute; inset: 0; pointer-events: none; z-index: 5;
  background: repeating-linear-gradient(0deg, rgba(0,0,0,0) 0px, rgba(0,0,0,0) 2px, rgba(0,0,0,0.18) 3px);
  mix-blend-mode: multiply; opacity: 0.62;
}
/* static film grain (inline SVG fractal noise) */
.zankyo-frame::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 6; opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}
.zankyo-frame > *:not(.zankyo-scanlines) { position: relative; z-index: 1; }

/* climax (kyū) — the case destabilizes */
.zankyo-scene.is-kyu .zankyo-title::before { animation-duration: 0.8s; }
.zankyo-scene.is-kyu .zankyo-title::after  { animation-duration: 0.7s; }
.zankyo-scene.is-kyu .zankyo-title { text-shadow: -1.5px 0 var(--red), 1.5px 0 var(--cyan), 0 0 20px rgba(var(--red-rgb), 0.6); }
.zankyo-scene.is-kyu .zankyo-frame { animation: zk-shake 0.16s infinite; }
.zankyo-scene.is-kyu .zankyo-scanlines { opacity: 0.8; }
@keyframes zk-shake { 0%,100% { transform: translate(0,0); } 25% { transform: translate(-1px,1px); } 50% { transform: translate(1px,-1px); } 75% { transform: translate(-1px,0); } }

/* ---------- Header ---------- */
.zankyo-header { text-align: center; margin-bottom: 18px; }
.zankyo-title {
  font-family: "Orbitron", sans-serif; font-weight: 900;
  font-size: clamp(34px, 9vw, 68px); letter-spacing: 0.12em;
  margin: 0; color: #fff; position: relative; display: inline-block;
  text-shadow: 0 0 16px rgba(var(--red-rgb), 0.5), 0 0 40px rgba(var(--red-rgb), 0.25);
}
.zankyo-title .zankyo-kanji {
  font-family: "Shippori Mincho", serif; font-weight: 700;
  font-size: 0.42em; letter-spacing: 0.1em; color: var(--cyan);
  margin-left: 0.35em; vertical-align: 0.5em;
  text-shadow: 0 0 14px rgba(var(--cyan-rgb), 0.6);
}
/* glitch echoes */
.zankyo-title::before, .zankyo-title::after {
  content: attr(data-glitch); position: absolute; left: 0; top: 0;
  width: 100%; overflow: hidden; opacity: 0.6;
}
.zankyo-title::before { color: var(--cyan); animation: zk-glitch 3.6s infinite steps(2); clip-path: inset(0 0 62% 0); }
.zankyo-title::after  { color: var(--magenta); animation: zk-glitch 2.7s infinite steps(2) reverse; clip-path: inset(58% 0 0 0); }
@keyframes zk-glitch { 0%,92%,100% { transform: translate(0,0); } 93% { transform: translate(-2px,1px); } 96% { transform: translate(2px,-1px); } }
.zankyo-subtitle {
  margin: 6px 0 0; font-size: 11px; letter-spacing: 0.18em; color: var(--ink-dim);
}

/* ---------- Visualizer ---------- */
.zankyo-viz-wrap {
  position: relative; margin-bottom: 18px;
  border: 1px solid var(--border); border-radius: 3px; overflow: hidden;
  background: #030305;
}
.zankyo-viz { display: block; width: 100%; height: 180px; }

/* ---------- Scale info ---------- */
.zankyo-scale {
  display: flex; align-items: center; gap: 8px 14px; flex-wrap: wrap;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 3px;
  padding: 12px 14px; margin-bottom: 16px;
}
.zankyo-scale-name { font-family: "Orbitron", sans-serif; font-size: 14px; letter-spacing: 0.12em; color: #fff; }
.zankyo-scale-name b { color: var(--red); }
.zankyo-scale-mood { font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--magenta); margin-left: auto; }
.zankyo-kana-row { display: flex; gap: 6px; }
.zankyo-kana {
  font-family: "Shippori Mincho", serif; font-size: 17px; color: var(--cyan);
  border: 1px solid rgba(var(--cyan-rgb), 0.3); border-radius: 3px; padding: 3px 9px;
  background: rgba(var(--cyan-rgb), 0.04);
}

/* ---------- Arc / jo-ha-kyū meter ---------- */
.zankyo-arc { background: var(--surface-2); border: 1px solid var(--border); border-radius: 3px; padding: 11px 14px 9px; margin-bottom: 16px; }
.zankyo-arc-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 7px; }
.zankyo-arc-label { font-size: 11px; letter-spacing: 0.14em; color: var(--ink-label); }
.zankyo-arc-phase { font-size: 11px; letter-spacing: 0.16em; color: var(--amber); text-transform: uppercase; }
.zankyo-arc-track { position: relative; height: 12px; background: var(--grid); overflow: hidden; }
.zankyo-arc-fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--red), var(--magenta));
  box-shadow: 0 0 8px rgba(var(--red-rgb), 0.4); transition: width 0.2s linear; image-rendering: pixelated; }
/* carve the fill into fine, subtle LED segments (digital readout feel) */
.zankyo-arc-track::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 2;
  background: repeating-linear-gradient(90deg, rgba(0,0,0,0) 0, rgba(0,0,0,0) 4px, rgba(0,0,0,0.35) 4px, rgba(0,0,0,0.35) 5px);
}
.zankyo-arc-scale { display: flex; justify-content: space-between; margin-top: 5px; font-size: 9px; letter-spacing: 0.1em; color: var(--ink-dim); }

/* ---------- Transport ---------- */
.zankyo-transport { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.zankyo-btn {
  font-family: "Orbitron", sans-serif; font-size: 13px; letter-spacing: 0.1em;
  padding: 11px 18px; background: var(--surface-2); color: var(--ink);
  border: 1px solid var(--border); border-radius: 3px; cursor: pointer;
  transition: border-color 0.15s, color 0.15s, box-shadow 0.15s;
}
.zankyo-btn:hover { border-color: var(--cyan); color: #fff; }
.zankyo-btn.play-btn.is-playing { border-color: var(--red); color: var(--red); box-shadow: 0 0 16px rgba(var(--red-rgb), 0.35), inset 0 0 12px rgba(var(--red-rgb), 0.08); }
.zankyo-btn.stop-btn:hover { border-color: var(--magenta); color: var(--magenta); }
.zankyo-transport-spacer { flex: 1; }
.zankyo-vol-label { font-size: 11px; letter-spacing: 0.14em; color: var(--ink-label); }
.zankyo-val-readout { font-size: 12px; color: var(--cyan); min-width: 26px; text-align: right; }
.zankyo-vol-slider { width: 130px; }

/* ---------- Ranges ---------- */
.zankyo-range { -webkit-appearance: none; appearance: none; width: 100%; height: 3px; background: var(--grid); border-radius: 2px; outline: none; cursor: pointer; }
.zankyo-range::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 13px; height: 13px; border-radius: 1px; background: var(--cyan); box-shadow: 0 0 9px rgba(var(--cyan-rgb), 0.7); cursor: pointer; }
.zankyo-range::-moz-range-thumb { width: 13px; height: 13px; border: none; border-radius: 1px; background: var(--cyan); box-shadow: 0 0 9px rgba(var(--cyan-rgb), 0.7); cursor: pointer; }

/* ---------- Mixer ---------- */
.zankyo-mixer { border: 1px solid var(--border); border-radius: 3px; background: var(--surface-2); }
.zankyo-mixer-title { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-label); padding: 9px 16px; border-bottom: 1px solid var(--border); }
.zankyo-layer { padding: 13px 16px; border-bottom: 1px solid rgba(var(--red-rgb), 0.05); }
.zankyo-layer:last-child { border-bottom: none; }
.zankyo-layer-head { display: flex; align-items: center; flex-wrap: wrap; gap: 9px 12px; margin-bottom: 9px; }
.zankyo-layer-name { font-family: "Orbitron", sans-serif; font-size: 12px; letter-spacing: 0.08em; color: #fff; flex: 1; }
.zankyo-layer-kana { font-family: "Shippori Mincho", serif; color: var(--red); margin-right: 6px; }
.zankyo-layer-sample { padding: 6px 9px; border-radius: 2px; border: 1px solid rgba(var(--magenta-rgb), 0.4); background: rgba(var(--magenta-rgb), 0.06); color: var(--magenta); cursor: pointer; line-height: 0; }
.zankyo-layer-sample:hover { border-color: var(--magenta); box-shadow: 0 0 8px rgba(var(--magenta-rgb), 0.3); }
.zankyo-layer-sample .tri { display: inline-block; width: 0; height: 0; border-left: 8px solid currentColor; border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
.zankyo-layer-mute { font-size: 10px; letter-spacing: 0.08em; padding: 5px 10px; border-radius: 2px; border: 1px solid rgba(var(--cyan-rgb), 0.4); color: var(--cyan); background: rgba(var(--cyan-rgb), 0.05); cursor: pointer; }
.zankyo-layer-mute.muted { border-color: var(--border); color: var(--ink-dim); background: transparent; }
.zankyo-layer-vol, .zankyo-layer-rate { display: flex; align-items: center; gap: 9px; }
.zankyo-layer-vol { min-width: 175px; } .zankyo-layer-vol .zankyo-range { width: 120px; }
.zankyo-layer-rate { min-width: 165px; } .zankyo-layer-rate .zankyo-range { width: 108px; }
.zankyo-layer-rate .zankyo-range::-webkit-slider-thumb { background: var(--magenta); box-shadow: 0 0 9px rgba(var(--magenta-rgb), 0.7); }
.zankyo-layer-rate .zankyo-range::-moz-range-thumb { background: var(--magenta); box-shadow: 0 0 9px rgba(var(--magenta-rgb), 0.7); }
.zankyo-layer-rate .zankyo-val-readout { color: var(--magenta); }
.zankyo-params { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 9px 16px; }
.zankyo-param { display: flex; flex-direction: column; gap: 3px; }
.zankyo-param-label { font-size: 10px; letter-spacing: 0.06em; color: var(--ink-dim); display: flex; justify-content: space-between; }
.zankyo-param-label b { color: var(--cyan); font-weight: 500; }

/* ---------- Log ---------- */
.zankyo-log-block { margin-top: 18px; }
.zankyo-log-label { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-label); margin-bottom: 7px; }
.zankyo-log { background: var(--surface-2); border: 1px solid var(--border); border-radius: 3px; height: 230px; overflow-y: auto; padding: 4px 0; }
.zankyo-log-empty { padding: 13px 16px; color: var(--ink-dim); font-size: 11px; }
.zankyo-log-row { display: flex; align-items: center; gap: 10px; padding: 4px 14px; border-bottom: 1px solid rgba(var(--cyan-rgb), 0.04); font-size: 12px; animation: zk-logfade 0.3s ease; }
.zankyo-log-row:last-child { border-bottom: none; }
@keyframes zk-logfade { from { opacity: 0; transform: translateY(-3px); } to { opacity: 1; transform: none; } }
.zankyo-log-time { color: var(--ink-dim); font-size: 10px; min-width: 36px; }
.zankyo-log-tag { font-size: 9px; letter-spacing: 0.08em; padding: 2px 6px; border-radius: 2px; min-width: 66px; text-align: center; }
.zankyo-log-tag.shakuhachi { color: var(--cyan);    border: 1px solid rgba(var(--cyan-rgb), 0.4); }
.zankyo-log-tag.koto       { color: var(--amber);   border: 1px solid rgba(var(--amber-rgb), 0.4); }
.zankyo-log-tag.shamisen   { color: var(--red);     border: 1px solid rgba(var(--red-rgb), 0.4); }
.zankyo-log-tag.taiko      { color: #fff;           border: 1px solid var(--border); }
.zankyo-log-tag.noise      { color: var(--magenta); border: 1px solid rgba(var(--magenta-rgb), 0.4); }
.zankyo-log-tag.ambient    { color: var(--ink);     border: 1px dashed var(--ink-dim); }
.zankyo-log-tag.mode       { color: var(--amber);   border: 1px dashed var(--amber); }
.zankyo-log-text { color: var(--ink); }

.zankyo-note { font-size: 11px; line-height: 1.7; color: var(--ink-dim); margin: 18px 2px 0; }
.zankyo-note strong { color: var(--red); font-weight: 500; }

/* ---------- Mobile ---------- */
@media (max-width: 640px) {
  /* hide the console; activity log sits under the transport */
  .zankyo-mixer { display: none; }
  /* abbreviated subtitle (drop "lingering reverberation ·") */
  .zankyo-sub-long { display: none; }
  /* maximize content width + contain any sub-pixel/glitch overflow so the page
     fits the viewport with no horizontal scroll */
  .zankyo-scene { padding: 6px 8px 40px; overflow-x: hidden; }
  .zankyo-frame { padding: 16px 13px 20px; }
  /* let the transport wrap instead of pushing the VOL slider past the edge */
  .zankyo-transport { flex-wrap: wrap; }
  .zankyo-vol-slider { flex: 1 1 110px; width: auto; }
  /* tighten the big title so its tracking can't overflow on narrow screens */
  .zankyo-title { letter-spacing: 0.06em; }
}