:root{
  --bg: #0b1220;
  --panel: #0f1a30;
  --card: rgba(255,255,255,.06);
  --card2: rgba(255,255,255,.08);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);
  --line: rgba(255,255,255,.12);

  --accent: #7c5cff;
  --accent2:#34d399;
  --warn: #fbbf24;
  --bad: #fb7185;

  --acr: #fb7185;  /* 赤 */
  --kata:#60a5fa;  /* 青 */
  --kan: #34d399;  /* 緑 */
  --code:#c084fc;  /* 紫 */
}

*{ box-sizing: border-box; }
body{
  margin:0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 700px at 20% 10%, rgba(124,92,255,.35), transparent 60%),
              radial-gradient(900px 600px at 90% 20%, rgba(52,211,153,.22), transparent 65%),
              var(--bg);
}

.top{
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  background: rgba(11,18,32,.75);
  z-index: 10;
}

.brand{ display:flex; gap:12px; align-items:center; }
.logo{
  width:40px; height:40px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(124,92,255,.9), rgba(52,211,153,.7));
  display:flex; align-items:center; justify-content:center;
  font-weight:800;
  user-select: none;
}
h1{ margin:0; font-size: 18px; }
h2{ margin:0; font-size: 16px; }
h3{ margin: 0 0 8px; font-size: 14px; }
p{ margin: 4px 0 0; }
.muted{ color: var(--muted); }
.small{ font-size: 12px; }

.controls{
  margin-top: 12px;
  display:flex; gap: 12px;
  align-items:end;
  flex-wrap: wrap;
}
.select{ display:flex; flex-direction:column; gap:6px; }
.label{ font-size: 12px; color: var(--muted); }

select{
  background: rgba(255,255,255,.08);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  outline: none;
}
select:focus{
  border-color: rgba(124,92,255,.6);
  box-shadow: 0 0 0 3px rgba(124,92,255,.18);
}

.btns{ margin-left:auto; display:flex; gap:10px; flex-wrap: wrap; }

.btn{
  border-radius: 14px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor: pointer;
}
.btn:hover{ background: rgba(255,255,255,.10); }
.btn:active{ transform: translateY(1px); }
.btn:disabled{ opacity:.5; cursor:not-allowed; transform:none; }
.btn.primary{
  border: none;
  background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(52,211,153,.75));
}
.btn.ghost{
  background: rgba(255,255,255,.04);
}

.grid{
  padding: 16px 20px 26px;
  display:grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 14px;
}
@media (max-width: 980px){
  .grid{ grid-template-columns: 1fr; }
  .btns{ margin-left: 0; }
}

.card{
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
  border-radius: 18px;
  padding: 14px;
}

.cardHeader{ margin-bottom: 10px; }
.rowBetween{ display:flex; justify-content:space-between; align-items:center; gap: 10px; }

textarea{
  width: 100%;
  height: 220px;
  resize: vertical;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--text);
  outline: none;
  line-height: 1.7;
}
textarea:focus{
  border-color: rgba(124,92,255,.6);
  box-shadow: 0 0 0 3px rgba(124,92,255,.16);
}

.legend{ margin-top: 10px; display:flex; gap: 8px; flex-wrap: wrap; }
.tag{
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
}
.t-acr{ border-color: rgba(251,113,133,.45); }
.t-kata{ border-color: rgba(96,165,250,.45); }
.t-kan{ border-color: rgba(52,211,153,.45); }
.t-code{ border-color: rgba(192,132,252,.45); }

.kbd{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 8px;
  background: rgba(255,255,255,.04);
}

.meter{
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  border-radius: 16px;
  padding: 12px;
  margin-bottom: 12px;
}
.meterTop{ display:flex; gap: 12px; align-items:center; }
.score{ font-size: 40px; font-weight: 800; letter-spacing: .5px; }
.meterMeta{ display:flex; flex-direction:column; gap: 6px; }
.pill{
  display:inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--line);
  font-size: 12px;
  width: fit-content;
}

.bar{
  height: 12px;
  border-radius: 999px;
  overflow:hidden;
  background: rgba(255,255,255,.08);
  margin-top: 10px;
}
.fill{
  height: 100%;
  width: 0%;
  border-radius: 999px;
  transition: width .2s ease;
  background: linear-gradient(90deg, rgba(96,165,250,.9), rgba(124,92,255,.9), rgba(251,113,133,.9));
}
.ticks{
  display:flex; justify-content:space-between;
  font-size: 11px; color: var(--muted);
  margin-top: 6px;
}

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 10px 0 12px;
}
@media (max-width: 980px){
  .split{ grid-template-columns: 1fr; }
}

.list{ margin: 0; padding-left: 18px; }
.list li{ margin: 6px 0; }

.chips{ display:flex; gap: 8px; flex-wrap: wrap; }
.chip{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
}

.suggestBox{
  border-top: 1px solid var(--line);
  padding-top: 12px;
  margin-top: 6px;
}

.sug{
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: 14px;
  padding: 10px 12px;
  margin: 8px 0;
}

.sugTop{
  display:flex;
  justify-content:space-between;
  gap: 10px;
  flex-wrap: wrap;
  align-items: baseline;
}

.sugTerm{
  font-weight: 800;
}

.sugHint{
  font-size: 12px;
  color: var(--muted);
}

.sugSnippet{
  margin-top: 6px;
  font-size: 13px;
  color: rgba(255,255,255,.86);
}

.mark{
  padding: 0 2px;
  border-radius: 5px;
  background: rgba(251,191,36,.18);
  outline: 1px solid rgba(251,191,36,.22);
}

.sugActions{
  display:flex;
  gap: 8px;
  align-items:center;
  margin-top: 8px;
  flex-wrap: wrap;
}

.miniBtn{
  padding: 7px 10px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
}
.miniBtn:hover{ background: rgba(255,255,255,.10); }
.miniBtn:disabled{ opacity:.6; cursor:not-allowed; }

.hlBox{
  border-top: 1px solid var(--line);
  padding-top: 12px;
  margin-top: 6px;
}
.highlight{
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: 14px;
  padding: 12px;
  white-space: pre-wrap;
  line-height: 1.8;
}

.hl{ padding: 0 2px; border-radius: 5px; }
.hl-acronym{ background: rgba(251,113,133,.22); outline: 1px solid rgba(251,113,133,.25); }
.hl-katakana{ background: rgba(96,165,250,.20); outline: 1px solid rgba(96,165,250,.25); }
.hl-kanji{ background: rgba(52,211,153,.18); outline: 1px solid rgba(52,211,153,.22); }
.hl-code{ background: rgba(192,132,252,.20); outline: 1px solid rgba(192,132,252,.25); }
.mono{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }

.bottom{
  border-top: 1px solid var(--line);
  padding-top: 12px;
  margin-top: 10px;
}

.foot{
  padding: 14px 20px 22px;
  border-top: 1px solid var(--line);
}

/* ===== セレクトボックスの可読性修正 ===== */

select{
  background-color: #0f1a30;   /* ダーク背景を明示 */
  color: #ffffff;              /* 文字色を明示 */
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  outline: none;
}

/* プルダウン内の選択肢 */
select option{
  background-color: #0f1a30;   /* ← これが重要 */
  color: #ffffff;              /* ← これが重要 */
}

/* フォーカス時（キーボード操作でも見やすく） */
select:focus{
  box-shadow: 0 0 0 2px rgba(124,92,255,.45);
  border-color: rgba(124,92,255,.7);
}