:root {
  --bg: #0e1116;
  --bg2: #151a22;
  --card: #1a212c;
  --card2: #222b38;
  --key: #232c3a;
  --key-edge: #2f3a4b;
  --fg: #e6edf3;
  --muted: #9aa7b4;
  --accent: #36c2a8;
  --accent-dim: #1d4f46;
  --accent2: #2a8cff;
  --danger: #e5534b;
  --ok: #3fb950;
  --err: #f0883e;
  --border: #2d3947;
  --topbar-h: 56px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, "Segoe UI", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  line-height: 1.55;
}

.app { display: flex; flex-direction: column; min-height: 100vh; }

/* ============================== トップバー ============================== */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  height: var(--topbar-h);
  padding: 0 16px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.logo {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #06120f; font-weight: 700; font-size: 1.05rem;
}
.title { font-weight: 600; font-size: 0.95rem; }
.devbox { display: flex; align-items: center; gap: 8px; }
.devname { color: var(--muted); font-size: 0.8rem; max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topstatus { flex: 1; min-width: 0; text-align: center; }
.topactions { display: flex; align-items: center; gap: 8px; }
.commit-state { font-size: 0.78rem; }
.commit-state.dirty { color: var(--err); }

.status { color: var(--muted); font-size: 0.85rem; }
.status.ok { color: var(--ok); }
.status.err { color: var(--err); }

/* ============================== ボタン ============================== */
button {
  background: var(--card2);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 0.88rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
button:hover:not(:disabled) { background: #2c3848; border-color: var(--accent); }
button:disabled { opacity: 0.4; cursor: not-allowed; }
button.primary { background: var(--accent); color: #06120f; border-color: var(--accent); font-weight: 600; }
button.primary:hover:not(:disabled) { background: #44d8bd; }
button.primary.attention { box-shadow: 0 0 0 2px var(--bg2), 0 0 0 4px var(--err); }
button.danger { border-color: var(--danger); color: #ffb4ae; }
button.danger:hover { background: #3a1d1b; }
button.ghost { background: transparent; }
button.small { padding: 4px 10px; font-size: 0.78rem; }
button.big { padding: 12px 28px; font-size: 1rem; }
.iconbtn { padding: 6px 10px; font-size: 1rem; line-height: 1; }

/* ============================== 本体レイアウト ============================== */
.body { display: flex; flex: 1; min-height: 0; }

.sidebar {
  width: 168px;
  flex-shrink: 0;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: var(--topbar-h);
  align-self: flex-start;
  height: calc(100vh - var(--topbar-h));
}
.navbtn {
  display: flex; align-items: center; gap: 10px;
  background: transparent; border: none; border-radius: 8px;
  padding: 10px 12px; font-size: 0.88rem; color: var(--muted); text-align: left;
}
.navbtn:hover:not(:disabled) { background: var(--card); color: var(--fg); border: none; }
.navbtn.active { background: var(--accent-dim); color: var(--accent); font-weight: 600; }
.navicon { width: 20px; text-align: center; font-size: 1rem; }

.main { flex: 1; min-width: 0; padding: 20px 24px 60px; }

/* ============================== ウェルカム ============================== */
.welcome { display: flex; justify-content: center; padding-top: 7vh; }
.welcome-card {
  max-width: 560px; text-align: center;
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 36px 40px;
}
.welcome-logo {
  width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #06120f; font-size: 2rem; font-weight: 700;
}
.welcome-card h1 { font-size: 1.25rem; margin: 0 0 12px; }
.welcome-card p { color: var(--muted); font-size: 0.9rem; }
.welcome-card p strong { color: var(--fg); }
.welcome-actions { display: flex; justify-content: center; gap: 12px; margin: 22px 0 10px; }
.hint { font-size: 0.85rem; }
.finehint { color: var(--muted); font-size: 0.75rem; margin-top: 24px; }

.warn {
  background: #3a2417; border: 1px solid var(--err); color: #ffd9b0;
  padding: 12px 14px; border-radius: 8px; max-width: 720px; margin-bottom: 16px;
}

/* ============================== レイヤーバー ============================== */
.layerbar { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
.layerbtn {
  padding: 6px 14px; border-radius: 999px; font-size: 0.82rem;
  background: var(--card); color: var(--muted);
}
.layerbtn.active { background: var(--accent); border-color: var(--accent); color: #06120f; font-weight: 600; }

/* ============================== キーボード ============================== */
.kb {
  display: flex; gap: 36px; flex-wrap: wrap; justify-content: center;
  background: var(--bg2); border: 1px solid var(--border); border-radius: 14px;
  padding: 22px 18px; margin-bottom: 8px;
}
.kbhalf { display: flex; flex-direction: column; gap: 7px; }
.kbrow { display: flex; gap: 7px; }
.keycap {
  position: relative;
  width: 64px; height: 60px;
  background: var(--key);
  border: 1px solid var(--key-edge);
  border-bottom-width: 3px;
  border-radius: 8px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.06s, border-color 0.12s, background 0.12s;
  user-select: none;
}
.keycap:hover { border-color: var(--accent); }
.keycap:active { transform: translateY(1px); }
.keycap.empty { background: transparent; border-style: dashed; border-bottom-width: 1px; opacity: 0.25; cursor: default; pointer-events: none; }
/* 未使用物理キー（薙刀式 sc なし）: 破線。クリックで EXTRA（直接キー）割当。 */
.keycap.unused { background: transparent; border-style: dashed; border-bottom-width: 1px; opacity: 0.8; }
.keycap.unused .qwerty { color: #5a6675; }
.keycap.unused:hover { opacity: 1; }
.keycap.unused.inert { cursor: default; pointer-events: none; opacity: 0.45; }
/* カスタムレイヤーの透過キー（QWERTY へ素通し）。 */
.keycap.trns .legend { color: #4a5666; font-size: 0.85rem; }
/* 形状データ（READ_LAYOUT）による絶対座標配置。 */
.kbhalf-abs { position: relative; }
.keycap.abs { position: absolute; width: auto; height: auto; }
.keycap.selected {
  border-color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 0 0 2px var(--accent);
}
.keycap.overridden::after {
  content: ''; position: absolute; top: 5px; right: 6px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent2);
}
.keycap.pending::after { background: var(--err); }
.keycap .qwerty {
  position: absolute; top: 3px; left: 6px;
  font-size: 0.6rem; color: var(--muted);
}
.keycap .legend {
  font-size: 1.05rem; text-align: center; padding: 4px 2px 0;
  max-width: 100%; overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
}
.keycap .legend:empty::before { content: '·'; color: #3a4654; }

.kbnote { color: var(--muted); font-size: 0.78rem; margin: 6px 4px 16px; }
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; vertical-align: middle; margin: 0 2px; }
.dot.ovr { background: var(--accent2); }
.dot.pend { background: var(--err); }

/* ============================== エディタドック ============================== */
.dock {
  display: flex; gap: 0;
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  min-height: 120px; margin-bottom: 20px;
  position: sticky; bottom: 10px; z-index: 10;
  box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}
.dock-hint {
  flex: 1; display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 0.9rem; padding: 24px;
}
.dock-side {
  width: 200px; flex-shrink: 0;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  padding: 14px 16px;
  display: flex; flex-direction: column; gap: 8px; align-items: flex-start;
}
.dock-key { font-weight: 600; font-size: 0.9rem; color: var(--accent); }
.dock-cur { font-size: 1.3rem; min-height: 1.6em; }
.dock-def { color: var(--muted); font-size: 0.75rem; }
.dock-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.dock-tabs { display: flex; gap: 2px; padding: 8px 12px 0; border-bottom: 1px solid var(--border); }
.dock-tab {
  background: transparent; border: none; border-bottom: 2px solid transparent; border-radius: 0;
  color: var(--muted); padding: 6px 14px; font-size: 0.85rem;
}
.dock-tab:hover { background: transparent; color: var(--fg); border-bottom-color: var(--border); }
.dock-tab.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.dock-body { padding: 12px 16px 16px; overflow-y: auto; max-height: 320px; }

/* かなエディタ */
.kana-line { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.kana-input {
  background: var(--bg); color: var(--fg); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 12px; font-size: 1.15rem; width: 180px;
  font-family: inherit;
}
.kana-input:focus { outline: none; border-color: var(--accent); }
.kana-limit { color: var(--muted); font-size: 0.72rem; }

/* パレット */
.palgroup { margin-bottom: 10px; }
.palgroup-name { color: var(--muted); font-size: 0.72rem; margin-bottom: 4px; }
.palgrid { display: flex; flex-wrap: wrap; gap: 4px; }
.palkey {
  min-width: 36px; height: 34px; padding: 0 8px;
  background: var(--key); border: 1px solid var(--key-edge); border-bottom-width: 2px;
  border-radius: 6px; font-size: 0.92rem;
}
.palkey:hover:not(:disabled) { border-color: var(--accent); background: var(--accent-dim); }
.kanagrid .palkey { font-size: 1.02rem; }
.palspacer { width: 36px; }

/* キー操作エディタ */
.chips { display: flex; flex-wrap: wrap; gap: 5px; align-items: center; margin-bottom: 8px; }
.chips-label { color: var(--muted); font-size: 0.78rem; margin-right: 2px; }
.chips-empty { color: var(--muted); font-size: 0.82rem; }
.chip {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--accent-dim); border: 1px solid var(--accent); border-radius: 6px;
  padding: 3px 6px 3px 10px; font-size: 0.84rem; color: var(--fg);
}
.chipx { background: transparent; border: none; color: var(--err); padding: 0 3px; font-size: 0.95rem; line-height: 1; }
.chipx:hover { background: transparent; border: none; }
.modbar { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.modtgl { padding: 4px 12px; font-size: 0.78rem; border-radius: 999px; }
.modtgl.on { background: var(--accent2); border-color: var(--accent2); color: #fff; font-weight: 600; }
.modhint { color: var(--muted); font-size: 0.7rem; }

/* ============================== カード・リスト ============================== */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px 20px; margin: 16px 0; max-width: 980px;
}
.card h3 { font-size: 0.92rem; margin: 0 0 10px; color: var(--accent); }
.danger-card { border-color: #5b2724; }
.note { color: var(--muted); font-size: 0.85rem; max-width: 860px; }
.bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 14px 0; }
.actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.combolist { display: flex; flex-direction: column; gap: 4px; }
.comboitem {
  display: flex; align-items: center; gap: 10px;
  background: transparent; border: 1px solid transparent; border-radius: 8px;
  padding: 7px 10px; text-align: left; font-size: 0.9rem;
}
.comboitem:hover { background: var(--card2); border-color: var(--border); }
.comboitem.selected { background: var(--accent-dim); border-color: var(--accent); }
.comboitem.overridden .combo-val { color: var(--accent2); }
.combo-keys { display: inline-flex; gap: 4px; }
.combo-keys kbd {
  background: var(--key); border: 1px solid var(--key-edge); border-bottom-width: 2px;
  border-radius: 5px; padding: 2px 8px; font-size: 0.8rem; font-family: inherit;
}
.combo-arrow { color: var(--muted); }
.combo-val { font-size: 1rem; }
.combo-new {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  background: var(--card); border: 1px dashed var(--accent); border-radius: 10px;
  padding: 12px 16px; margin: 4px 0 16px; font-size: 0.9rem;
}

/* ============================== パラメータ ============================== */
.paramrow { padding: 12px 0; border-bottom: 1px solid var(--border); }
.paramrow:last-child { border-bottom: none; }
.paramhead { display: flex; align-items: center; justify-content: space-between; gap: 12px; max-width: 560px; }
.paramlabel { font-size: 0.9rem; font-weight: 600; }
.paramnum {
  width: 90px; background: var(--bg); color: var(--fg); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 8px; font-size: 0.92rem; text-align: right; font-family: inherit;
}
.paramslider { width: 100%; max-width: 560px; margin: 8px 0 2px; accent-color: var(--accent); }
.paramdesc { color: var(--muted); font-size: 0.78rem; margin: 2px 0 0; }

/* ============================== レスポンシブ ============================== */
@media (max-width: 900px) {
  .sidebar { width: 56px; padding: 14px 6px; }
  .navbtn { justify-content: center; padding: 10px 0; }
  .navbtn .navicon { width: auto; }
  .navbtn { font-size: 0; }
  .navbtn .navicon { font-size: 1.1rem; }
  .dock { flex-direction: column; }
  .dock-side { width: 100%; border-right: none; border-bottom: 1px solid var(--border); flex-direction: row; align-items: center; flex-wrap: wrap; }
  .keycap { width: 46px; height: 48px; }
  .keycap .legend { font-size: 0.85rem; }
}