* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --panel-bg: rgba(18, 24, 32, 0.82);
  --panel-border: rgba(120, 150, 180, 0.25);
  --text: #dce6f0;
  --text-dim: #8aa0b5;
  --accent: #ffb63d;
  --danger: #ff5252;
  --ok: #5dd879;
}

html, body { height: 100%; overflow: hidden; }
body {
  font-family: "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", Meiryo, sans-serif;
  background: #0a0e14;
  color: var(--text);
  user-select: none;
  -webkit-user-select: none;
}

#app { position: relative; width: 100vw; height: 100vh; }
#scene { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }

.panel {
  position: absolute;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 10px 12px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 4px 18px rgba(0,0,0,0.45);
}
.hidden { display: none !important; }

.hud-title { font-size: 12px; font-weight: 700; letter-spacing: 0.12em; color: var(--text-dim); margin-bottom: 8px; }
.hud-sub { font-weight: 400; margin-left: 6px; font-size: 10px; }

/* ---- 計器盤 ---- */
#hud { top: 56px; left: 12px; width: 240px; }
.hud-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 10px; }
.hud-item { display: flex; flex-direction: column; padding: 3px 0; border-bottom: 1px solid rgba(120,150,180,0.12); }
.hud-label { font-size: 10px; color: var(--text-dim); }
.hud-value { font-size: 15px; font-variant-numeric: tabular-nums; font-weight: 600; }
/* 1 行ぶんの高さを確保し、警告の出没でパネルの高さが跳ねないように */
#hud-warnings { margin-top: 8px; display: flex; flex-direction: column; gap: 4px; min-height: 25px; contain: layout; }
.warn {
  font-size: 11px; font-weight: 700; padding: 4px 8px; border-radius: 6px;
  background: rgba(255, 82, 82, 0.16); color: var(--danger); border: 1px solid rgba(255,82,82,0.4);
  animation: blink 1s step-end infinite;
}
.warn.warn-info { background: rgba(255,182,61,0.14); color: var(--accent); border-color: rgba(255,182,61,0.4); animation: none; }
@keyframes blink { 50% { opacity: 0.55; } }

/* ---- 振れスコープ ---- */
#swayscope-panel { left: 12px; bottom: 12px; }
#swayscope { display: block; border-radius: 6px; }

/* ---- ペンダント ---- */
#pendant {
  right: 12px; top: 50%; transform: translateY(-50%);
  width: 190px;
  background: linear-gradient(180deg, rgba(52,44,10,0.92), rgba(38,32,8,0.92));
  border: 2px solid #6b5a18;
}
.pendant-head { margin-bottom: 6px; }
.pendant-hint { font-size: 10px; color: var(--text-dim); }
.pendant-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 8px 0; }
.pbtn {
  appearance: none; border: none; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  padding: 10px 4px; border-radius: 10px;
  background: radial-gradient(circle at 35% 30%, #3b4a5c, #232d3a 70%);
  border: 2px solid #4c5d70; color: var(--text);
  font-family: inherit; font-size: 12px; font-weight: 700;
  box-shadow: 0 3px 0 #141b24, inset 0 1px 0 rgba(255,255,255,0.15);
  transition: transform 0.05s, box-shadow 0.05s;
  touch-action: none;
}
.pbtn:active, .pbtn.pressed {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #141b24, inset 0 2px 6px rgba(0,0,0,0.5);
  background: radial-gradient(circle at 35% 30%, #2c3948, #1a222c 70%);
}
.pbtn.pressed { border-color: var(--accent); }
.pbtn.pressed.fast { border-color: var(--danger); }
.pbtn-arrow { font-size: 16px; line-height: 1; }
.pbtn-label { font-size: 10px; color: var(--text-dim); }
.pendant-foot { display: flex; flex-direction: column; gap: 8px; }
.pbtn-wide { flex-direction: row; padding: 8px; }
.pbtn-danger {
  background: radial-gradient(circle at 35% 30%, #b03030, #7a1c1c 70%);
  border-color: #d05050;
}
.keys-help { margin-top: 10px; font-size: 10px; color: var(--text-dim); line-height: 1.7; }
.keys-help b { color: var(--text); }

/* ---- トップバー ---- */
#topbar {
  top: 12px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 6px; align-items: center; padding: 8px 10px;
  flex-wrap: wrap; justify-content: center;
  width: max-content; max-width: 96vw;
}
.tbtn {
  appearance: none; cursor: pointer; font-family: inherit;
  background: rgba(70, 90, 112, 0.35); color: var(--text);
  border: 1px solid var(--panel-border); border-radius: 7px;
  font-size: 12px; font-weight: 600; padding: 6px 12px;
  transition: background 0.15s;
  white-space: nowrap;
}
.tbtn:hover { background: rgba(90, 115, 142, 0.5); }
.tbtn.active { background: var(--accent); color: #1a1206; border-color: var(--accent); }
.tsep { width: 1px; height: 18px; background: var(--panel-border); }

/* ---- 課題パネル ---- */
#task-panel { top: 100px; right: 216px; width: 230px; }
#task-text { font-size: 12px; line-height: 1.6; margin-bottom: 6px; }
#task-result { margin-top: 8px; font-size: 12px; line-height: 1.8; padding: 8px; border-radius: 8px; background: rgba(93,216,121,0.12); border: 1px solid rgba(93,216,121,0.4); }
#task-result .score-big { font-size: 22px; font-weight: 800; color: var(--ok); }

/* ---- 試験の減点表・軌跡デブリーフ ---- */
.ded-table { width: 100%; border-collapse: collapse; margin-top: 6px; font-size: 11px; }
.ded-table th, .ded-table td { border: 1px solid rgba(120,150,180,0.25); padding: 2px 5px; text-align: left; }
.ded-table th { color: var(--text-dim); font-weight: 600; }
.ded-table td:last-child { color: var(--danger); text-align: right; white-space: nowrap; }
#exam-traj { display: block; margin-top: 8px; width: 100%; border-radius: 6px; border: 1px solid rgba(120,150,180,0.25); }

/* ---- 設定 ---- */
#settings-panel { top: 56px; left: 264px; width: 250px; }
.set-row { display: flex; flex-direction: column; gap: 4px; font-size: 12px; margin-bottom: 10px; }
.set-row input[type="range"] { width: 100%; accent-color: var(--accent); }
.set-check { flex-direction: row; align-items: center; gap: 8px; }
.set-check input { accent-color: var(--accent); }
.set-note { font-size: 10px; color: var(--text-dim); border-top: 1px solid rgba(120,150,180,0.15); padding-top: 8px; }

/* ---- トースト ---- */
#toast {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: rgba(18,24,32,0.92); border: 1px solid var(--accent); color: var(--text);
  border-radius: 10px; padding: 10px 18px; font-size: 14px; font-weight: 600;
  box-shadow: 0 6px 24px rgba(0,0,0,0.5);
}

@media (max-width: 900px) {
  #hud { width: 200px; transform: scale(0.9); transform-origin: top left; }
  #pendant { transform: translateY(-50%) scale(0.9); transform-origin: right center; }
  #swayscope-panel { transform: scale(0.8); transform-origin: bottom left; }
  #task-panel { right: 12px; top: auto; bottom: 12px; }
}

/* ---- 運転室コントローラー(ノッチレバー) ---- */
#lever-panel {
  right: 12px; top: 50%; transform: translateY(-50%);
  padding: 12px 14px 8px;
  background: linear-gradient(180deg, rgba(30,36,30,0.94), rgba(20,26,20,0.94));
  border: 2px solid #3f5245;
}
#lever-levers { display: flex; gap: 14px; }
.lever-col { display: flex; flex-direction: column; align-items: center; width: 64px; }
.lever-top, .lever-bottom { font-size: 11px; font-weight: 700; color: var(--text-dim); padding: 2px 0; }
.lever-track {
  position: relative; width: 34px; height: 210px; margin: 2px 0;
  background: linear-gradient(90deg, #12160f, #1d241a 50%, #12160f);
  border: 1px solid #43503f; border-radius: 8px;
  cursor: grab; touch-action: none;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 6px 0;
}
.lever-tick {
  height: 1px; margin: 0 8px; background: rgba(160,180,150,0.45);
}
.lever-tick.zero { height: 3px; margin: 0 4px; background: var(--accent); border-radius: 2px; }
.lever-knob {
  position: absolute; left: 50%; transform: translate(-50%, -50%);
  width: 46px; height: 26px; border-radius: 7px;
  background: radial-gradient(circle at 35% 30%, #55617a, #333c4e 70%);
  border: 2px solid #6a7890;
  box-shadow: 0 3px 6px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  pointer-events: none;
  transition: top 0.06s;
}
.lever-knob.active { border-color: var(--accent); }
.lever-knob .lever-notch-label { font-size: 13px; font-weight: 800; color: var(--text); }
.lever-name { font-size: 11px; font-weight: 700; margin-top: 4px; color: var(--text); }
.lever-keys { margin-left: 5px; font-size: 10px; color: var(--text-dim); font-weight: 400; }
.lever-hint { font-size: 10px; color: var(--text-dim); margin-top: 6px; text-align: center; line-height: 1.6; max-width: 226px; }

/* レバーパネル表示中は課題パネルを左へ退避(重なり防止) */
#lever-panel:not(.hidden) ~ #task-panel { right: 300px; }

.set-row select {
  font-family: inherit; font-size: 12px; color: var(--text);
  background: rgba(70, 90, 112, 0.35); border: 1px solid var(--panel-border);
  border-radius: 6px; padding: 4px 6px;
}