/* AnyCalc — 모바일 우선 스타일 (다크 기본, 라이트 자동 대응) */
:root {
  --bg: #0f1720;
  --surface: #18222e;
  --surface-2: #1f2c3a;
  --border: #2a3a4d;
  --text: #e8eef5;
  --text-dim: #8ba0b6;
  --accent: #2dd4bf;
  --accent-2: #38bdf8;
  --op: #f59e0b;
  --danger: #f87171;
  --ok: #34d399;
  --radius: 14px;
  --tabbar-h: 62px;
  --safe-b: env(safe-area-inset-bottom, 0px);
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #eef2f6;
    --surface: #ffffff;
    --surface-2: #f1f5f9;
    --border: #d8e0ea;
    --text: #0f1b28;
    --text-dim: #5a6b7d;
    --accent: #0d9488;
    --accent-2: #0284c7;
    --op: #d97706;
  }
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
  overscroll-behavior: none;
}

#app { min-height: 100%; display: flex; flex-direction: column; }
#view {
  flex: 1;
  overflow-y: auto;
  padding: 0 14px calc(var(--tabbar-h) + var(--safe-b) + 16px);
  -webkit-overflow-scrolling: touch;
}
.screen { max-width: 560px; margin: 0 auto; }
.app-header {
  font-size: 20px; font-weight: 700; padding: 18px 2px 12px;
  position: sticky; top: 0; background: var(--bg); z-index: 5;
}

/* ---------- 하단 탭바 ---------- */
#tabbar {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: calc(var(--tabbar-h) + var(--safe-b));
  padding-bottom: var(--safe-b);
  display: flex; background: var(--surface);
  border-top: 1px solid var(--border); z-index: 20;
}
.tab {
  flex: 1; background: none; border: none; color: var(--text-dim);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; font-size: 11px; cursor: pointer; padding: 6px 0;
}
.tab .ic { font-size: 19px; line-height: 1; font-weight: 700; }
.tab.active { color: var(--accent); }

/* ---------- 계산기 ---------- */
.calc-display {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 16px; margin: 6px 0 14px;
  min-height: 96px; display: flex; flex-direction: column; justify-content: flex-end;
}
.calc-expr {
  font-size: 22px; word-break: break-all; min-height: 28px;
  font-variant-numeric: tabular-nums; text-align: right; color: var(--text);
}
.calc-result {
  font-size: 30px; font-weight: 700; text-align: right; margin-top: 8px;
  color: var(--accent); min-height: 36px; word-break: break-all;
}
.calc-result.err { color: var(--danger); font-size: 15px; font-weight: 500; }

.keypad { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.key {
  border: none; border-radius: 12px; padding: 16px 0; font-size: 19px; font-weight: 600;
  background: var(--surface-2); color: var(--text); cursor: pointer; user-select: none;
  transition: filter .08s;
}
.key:active { filter: brightness(1.35); }
.key-sci { font-size: 16px; color: var(--accent-2); }
.key-op { color: var(--op); font-weight: 700; }
.key-fn { color: var(--danger); }
.key-eq { background: var(--accent); color: #04211d; font-weight: 800; }

/* ---------- 공통 입력 ---------- */
.search, .field-input, .conv-input, .conv-select, .data-input {
  width: 100%; background: var(--surface); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px;
  font-size: 16px; outline: none;
}
.search:focus, .field-input:focus, .conv-input:focus, .data-input:focus { border-color: var(--accent); }
.search { margin-bottom: 12px; }
.empty, .warn { color: var(--text-dim); text-align: center; padding: 20px; }
.warn { color: var(--op); padding: 8px; font-size: 13px; }

/* ---------- 재무비율 ---------- */
.cat-label {
  font-size: 12px; font-weight: 700; color: var(--text-dim); letter-spacing: .05em;
  margin: 16px 2px 6px; text-transform: uppercase;
}
.ratio-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; margin-bottom: 8px; overflow: hidden;
}
.ratio-head {
  width: 100%; background: none; border: none; color: var(--text); cursor: pointer;
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
  padding: 14px 16px; text-align: left;
}
.ratio-name { font-size: 16px; font-weight: 600; }
.ratio-en { font-size: 12px; color: var(--text-dim); }
.ratio-body { padding: 0 16px 16px; border-top: 1px solid var(--border); }
.ratio-desc { font-size: 13px; color: var(--text-dim); margin: 12px 0; line-height: 1.5; }
.ratio-form { display: flex; flex-direction: column; gap: 10px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field-label { font-size: 13px; color: var(--text-dim); }
.field-input.bad { border-color: var(--danger); }
.ratio-out {
  margin-top: 14px; padding: 14px; border-radius: 10px; background: var(--surface-2);
  text-align: center; color: var(--text-dim); font-size: 14px;
}
.ratio-out.ok { color: var(--text); }
.out-val { font-size: 26px; font-weight: 800; color: var(--accent); }
.out-unit { font-size: 15px; color: var(--text-dim); margin-left: 6px; }

/* ---------- 통계 ---------- */
.seg { display: flex; gap: 6px; margin: 4px 0 12px; background: var(--surface-2);
  padding: 4px; border-radius: 12px; }
.seg-btn {
  flex: 1; border: none; background: none; color: var(--text-dim); padding: 10px;
  border-radius: 9px; font-size: 14px; font-weight: 600; cursor: pointer;
}
.seg-btn.active { background: var(--accent); color: #04211d; }
.data-input { min-height: 90px; resize: vertical; font-family: inherit; line-height: 1.5; }
.bi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.stat-out {
  margin-top: 14px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden;
}
.stat-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 11px 16px; border-bottom: 1px solid var(--border); font-size: 14px;
}
.stat-row:last-child { border-bottom: none; }
.stat-row span { color: var(--text-dim); }
.stat-row b { font-variant-numeric: tabular-nums; font-weight: 700; }
.stat-row.eq b { color: var(--accent); }
.stat-sep {
  padding: 8px 16px; font-size: 12px; font-weight: 700; color: var(--accent-2);
  background: var(--surface-2); letter-spacing: .04em;
}

/* ---------- 단위변환 ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 7px; margin: 4px 0 14px; }
.chip {
  border: 1px solid var(--border); background: var(--surface); color: var(--text-dim);
  border-radius: 999px; padding: 7px 14px; font-size: 13px; font-weight: 600; cursor: pointer;
}
.chip.active { background: var(--accent); color: #04211d; border-color: var(--accent); }
.converter {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 16px; display: flex; flex-direction: column; gap: 10px;
}
.conv-row { display: grid; grid-template-columns: 1fr 1.1fr; gap: 8px; }
.conv-input { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.conv-input.out { color: var(--accent); background: var(--surface-2); }
.conv-select { font-size: 14px; }
.swap-btn {
  align-self: center; background: var(--surface-2); color: var(--accent);
  border: 1px solid var(--border); border-radius: 999px; width: 42px; height: 42px;
  font-size: 20px; cursor: pointer;
}
.conv-note {
  text-align: center; color: var(--text-dim); font-size: 14px; margin-top: 14px;
  font-variant-numeric: tabular-nums;
}

/* ---------- 채권단가 (v2) ---------- */
.bond-screen { max-width: 820px; }
.bond-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 15px; margin-bottom: 12px;
}
.bond-card h3 { font-size: 15px; font-weight: 700; margin: 0 0 12px; }
.bond-card.pt-a { border-top: 3px solid var(--accent-2); }
.bond-card.pt-b { border-top: 3px solid var(--op); }

.bond-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
.bond-two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.bond-field { display: flex; flex-direction: column; gap: 5px; }
.bond-field label { font-size: 12px; color: var(--text-dim); }
.bond-field input, .bond-field select {
  width: 100%; background: var(--surface-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 9px; padding: 10px 11px;
  font-size: 15px; outline: none; font-family: inherit;
}
.bond-field input:focus, .bond-field select:focus { border-color: var(--accent); }

.bond-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 4px 0 12px; }
.bond-btn {
  border: none; border-radius: 10px; padding: 11px 16px; font-size: 14px; font-weight: 700;
  background: var(--accent); color: #04211d; cursor: pointer;
}
.bond-btn.sec { background: var(--surface-2); color: var(--accent-2); }
.bond-btn.danger { background: var(--surface-2); color: var(--danger); }
.bond-btn:active { filter: brightness(1.2); }
.bond-status { font-size: 12px; color: var(--ok); }

.bond-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 8px; }
.bond-metric { background: var(--surface-2); border-radius: 10px; padding: 11px 12px; }
.bond-metric small { display: block; color: var(--text-dim); font-size: 12px; margin-bottom: 3px; }
.bond-metric strong { font-size: 18px; font-variant-numeric: tabular-nums; }
.bond-metric.gain strong { color: var(--accent); }

.bond-note { color: var(--text-dim); font-size: 12px; line-height: 1.55; margin: 12px 0 0; }
.bond-pill {
  display: inline-block; border-radius: 999px; padding: 2px 9px; margin-left: 6px;
  background: var(--surface-2); color: var(--accent); font-size: 11px; font-weight: 600; vertical-align: middle;
}
.bond-error {
  background: color-mix(in srgb, var(--danger) 18%, var(--surface));
  border: 1px solid var(--danger); color: var(--danger);
  border-radius: 10px; padding: 11px 14px; margin-bottom: 12px; font-size: 13px; line-height: 1.5;
}

.bond-tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.bond-table { border-collapse: collapse; width: 100%; font-size: 12px; font-variant-numeric: tabular-nums; }
.bond-table th, .bond-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: right; white-space: nowrap; }
.bond-table th { color: var(--text-dim); font-weight: 700; }
.bond-table th:first-child, .bond-table td:first-child { text-align: left; }

.tax-row { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 8px; align-items: end; margin-bottom: 8px; }

@media (max-width: 620px) {
  .bond-two { grid-template-columns: 1fr; }
  .tax-row { grid-template-columns: 1fr 1fr; }
  .tax-row .wide { grid-column: 1 / -1; }
}

/* 홈화면 추가(설치) 버튼 */
#installBtn {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(72px + env(safe-area-inset-bottom, 0px));
  z-index: 50;
  background: var(--accent); color: #04211d;
  border: none; border-radius: 999px;
  padding: 11px 20px; font-size: 15px; font-weight: 700;
  box-shadow: 0 6px 18px rgba(0,0,0,.35); cursor: pointer;
}
#installBtn[hidden] { display: none; }