/* ============================================================
   부동산 계산기 — 공통 스타일 (assets/common.css)
   테마 토큰 + 레이아웃 + 컴포넌트 (카드·입력·세그먼트·표·토스트)
   ============================================================ */

:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-2: #f0f3fa;
  --border: #e2e7f0;
  --text: #1b2333;
  --text-muted: #5b6577;
  --primary: #2f6bff;
  --primary-weak: #e7efff;
  --accent: #ff8a3d;
  --danger: #e5484d;
  --ok: #2e9e5b;
  --shadow: 0 1px 2px rgba(20,30,55,.06), 0 8px 24px rgba(20,30,55,.06);
  --radius: 14px;
}
:root[data-theme="dark"] {
  --bg: #0f131c;
  --surface: #161c28;
  --surface-2: #1d2432;
  --border: #2a3345;
  --text: #e8ecf5;
  --text-muted: #9aa5b8;
  --primary: #5b8cff;
  --primary-weak: #1e2b4a;
  --accent: #ff9a57;
  --danger: #ff6369;
  --ok: #46c07a;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f131c;
    --surface: #161c28;
    --surface-2: #1d2432;
    --border: #2a3345;
    --text: #e8ecf5;
    --text-muted: #9aa5b8;
    --primary: #5b8cff;
    --primary-weak: #1e2b4a;
    --accent: #ff9a57;
    --danger: #ff6369;
    --ok: #46c07a;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 1180px; margin: 0 auto; padding: 16px 20px 80px; }
.wrap.narrow { max-width: 720px; }
a { color: var(--primary); }

/* 단일 컬럼 계산기용 결과 강조 카드 */
.result-hero {
  text-align: center; padding: 22px 16px;
  background: var(--primary-weak); border: 1px solid var(--primary); border-radius: 12px;
  margin-bottom: 14px;
}
.result-hero .k { font-size: .82rem; color: var(--text-muted); margin-bottom: 6px; }
.result-hero .v { font-size: 1.7rem; font-weight: 800; letter-spacing: -.02em; }
.result-hero .sub { font-size: .8rem; color: var(--text-muted); margin-top: 6px; }

/* 항목 분해 표 */
table.breakdown { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.breakdown th, table.breakdown td { padding: 10px 12px; text-align: right; border-top: 1px solid var(--border); }
table.breakdown thead th { border-top: 0; color: var(--text-muted); font-weight: 600; font-size: .8rem; }
table.breakdown th:first-child, table.breakdown td:first-child { text-align: left; }
table.breakdown tfoot td, table.breakdown tr.total td { font-weight: 800; border-top: 2px solid var(--border); }
.bar { height: 6px; border-radius: 3px; background: var(--surface-2); overflow: hidden; margin-top: 6px; }
.bar > i { display: block; height: 100%; background: var(--primary); border-radius: 3px; }

/* ---------- 공통 사이트 헤더 ---------- */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; padding: 10px 0 12px;
  border-bottom: 1px solid var(--border);
}
.site-brand {
  font-weight: 800; font-size: 1rem; color: var(--text); text-decoration: none;
  letter-spacing: -.02em; display: inline-flex; align-items: center; gap: 6px;
}
.site-brand:hover { color: var(--primary); }
.site-nav { display: flex; align-items: center; gap: 8px; }
.site-nav select { width: auto; max-width: 200px; padding: 7px 10px; font-size: .85rem; }
.theme-btn {
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  border-radius: 999px; padding: 8px 14px; cursor: pointer; font-size: .85rem;
  display: inline-flex; align-items: center; gap: 6px; font-family: inherit;
}
.theme-btn:hover { border-color: var(--primary); }

.page-head { margin: 18px 0 22px; }
.page-head h1 { font-size: 1.4rem; margin: 0; letter-spacing: -.02em; }
.page-head p { margin: 4px 0 0; color: var(--text-muted); font-size: .88rem; }

/* ---------- 레이아웃 ---------- */
.layout { display: grid; grid-template-columns: 380px 1fr; gap: 22px; align-items: start; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px;
}
.card + .card { margin-top: 18px; }
.card h2 { font-size: 1rem; margin: 0 0 14px; letter-spacing: -.01em; }

/* ---------- 입력 ---------- */
label.field { display: block; margin-bottom: 14px; }
label.field > span.lbl { display: block; font-size: .82rem; color: var(--text-muted); margin-bottom: 6px; }
.input-row { display: flex; gap: 8px; }
input[type="text"], input[type="number"], select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border);
  border-radius: 10px; background: var(--surface-2); color: var(--text);
  font-size: .95rem; font-family: inherit; outline: none;
}
input:focus, select:focus { border-color: var(--primary); background: var(--surface); }
.suffix-wrap { position: relative; }
.suffix-wrap .suffix {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: .85rem; pointer-events: none;
}
.suffix-wrap input { padding-right: 42px; }

.seg { display: flex; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.seg button {
  flex: 1; padding: 9px 6px; border: 0; background: var(--surface-2); color: var(--text-muted);
  cursor: pointer; font-size: .82rem; font-family: inherit;
}
.seg button.active { background: var(--primary); color: #fff; }

.btn-primary {
  width: 100%; padding: 12px; border: 0; border-radius: 10px; background: var(--primary);
  color: #fff; font-size: .95rem; font-weight: 600; cursor: pointer; font-family: inherit;
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost {
  padding: 9px 14px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--surface); color: var(--text); cursor: pointer; font-size: .85rem; font-family: inherit;
}
.btn-ghost:hover { border-color: var(--primary); }

.hint { font-size: .78rem; color: var(--text-muted); margin-top: -6px; margin-bottom: 12px; }
.err {
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  border: 1px solid var(--danger); color: var(--danger);
  padding: 10px 12px; border-radius: 10px; font-size: .84rem; margin-bottom: 14px;
}
.note-box {
  background: var(--surface-2); border: 1px solid var(--border);
  padding: 12px 14px; border-radius: 10px; font-size: .8rem; color: var(--text-muted);
  margin-top: 14px; line-height: 1.6;
}

/* ---------- 결과 요약 ---------- */
.summary-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (max-width: 480px) { .summary-grid { grid-template-columns: 1fr; } }
.stat { background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px; padding: 14px; }
.stat .k { font-size: .78rem; color: var(--text-muted); margin-bottom: 4px; }
.stat .v { font-size: 1.15rem; font-weight: 700; letter-spacing: -.01em; }
.stat .sub { font-size: .74rem; color: var(--text-muted); margin-top: 2px; }
.stat.hl { background: var(--primary-weak); border-color: var(--primary); }
.stat.save .v { color: var(--ok); }

.charts { display: grid; grid-template-columns: 200px 1fr; gap: 18px; margin-top: 18px; align-items: center; }
@media (max-width: 620px) { .charts { grid-template-columns: 1fr; } }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: .8rem; color: var(--text-muted); margin-top: 6px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: middle; }

/* ---------- 표 ---------- */
.table-tools { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; }
table.sched { width: 100%; border-collapse: collapse; font-size: .85rem; min-width: 560px; }
table.sched th, table.sched td { padding: 9px 12px; text-align: right; white-space: nowrap; }
table.sched th { background: var(--surface-2); color: var(--text-muted); font-weight: 600; position: sticky; top: 0; }
table.sched th:first-child, table.sched td:first-child { text-align: center; }
table.sched tbody tr { border-top: 1px solid var(--border); }
table.sched tbody tr.grace td { color: var(--text-muted); }
table.sched tbody tr.prepay { background: color-mix(in srgb, var(--accent) 14%, transparent); }
table.sched tbody tr.yearline { border-top: 2px solid var(--border); }
.pager { display: flex; gap: 8px; align-items: center; justify-content: center; margin-top: 12px; font-size: .85rem; }
.pager button { border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 8px; padding: 6px 12px; cursor: pointer; }
.pager button:disabled { opacity: .4; cursor: default; }

.empty { color: var(--text-muted); font-size: .9rem; text-align: center; padding: 30px 10px; }

/* ---------- 비교 표 ---------- */
table.compare { min-width: 480px; }
table.compare th, table.compare td { text-align: right; white-space: normal; }
table.compare tbody td { min-width: 130px; }
table.compare th.rowhead, table.compare td.rowhead {
  text-align: left; background: var(--surface-2); color: var(--text-muted);
  font-weight: 600; position: sticky; left: 0; white-space: nowrap;
}
table.compare thead th { background: var(--surface-2); vertical-align: bottom; }
table.compare thead th .sc-name { color: var(--text); font-weight: 700; font-size: .95rem; }
table.compare thead th .sc-sub { display: block; font-weight: 400; font-size: .72rem; color: var(--text-muted); margin-top: 2px; max-width: 190px; white-space: normal; line-height: 1.35; }
table.compare thead th .sc-del {
  display: inline-block; margin-top: 4px; border: 1px solid var(--border); background: var(--surface);
  color: var(--text-muted); border-radius: 6px; padding: 1px 7px; cursor: pointer; font-size: .72rem;
}
table.compare thead th .sc-del:hover { color: var(--danger); border-color: var(--danger); }
table.compare td.best { color: var(--ok); font-weight: 700; }
table.compare td.best::after { content: " ▾ 최저"; font-size: .68rem; font-weight: 600; }
table.compare tbody tr { border-top: 1px solid var(--border); }

/* ---------- 최근 계산 칩 ---------- */
.history { display: flex; flex-wrap: wrap; gap: 8px; }
.history .chip {
  border: 1px solid var(--border); background: var(--surface-2); border-radius: 999px;
  padding: 6px 12px; font-size: .8rem; cursor: pointer; color: var(--text); font-family: inherit;
}
.history .chip:hover { border-color: var(--primary); }
.history .chip small { color: var(--text-muted); }

/* ---------- 토스트 ---------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px);
  background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 999px;
  font-size: .85rem; opacity: 0; transition: all .25s; pointer-events: none; z-index: 50;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

footer.note { margin-top: 28px; font-size: .76rem; color: var(--text-muted); text-align: center; }
footer.note a { color: var(--text-muted); }

/* 함께 보면 좋은 계산기 */
.rel-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.rel-card {
  display: flex; align-items: center; gap: 10px; padding: 12px 14px;
  border: 1px solid var(--border); border-radius: 10px; background: var(--surface-2);
  text-decoration: none; color: var(--text); transition: border-color .15s;
}
.rel-card:hover { border-color: var(--primary); }
.rel-card .ic { font-size: 1.3rem; }
.rel-card .tx { display: flex; flex-direction: column; min-width: 0; }
.rel-card .nm { font-weight: 700; font-size: .88rem; }
.rel-card .ds { font-size: .74rem; color: var(--text-muted); }

/* ---------- 허브(메뉴) ---------- */
.hub-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.hub-card {
  display: flex; flex-direction: column; gap: 6px; padding: 18px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); text-decoration: none; color: var(--text);
  transition: border-color .15s, transform .15s;
}
.hub-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.hub-card .ic { font-size: 1.7rem; line-height: 1; }
.hub-card .nm { font-weight: 700; }
.hub-card .ds { font-size: .8rem; color: var(--text-muted); }
.hub-card.soon { opacity: .5; pointer-events: none; }
.hub-card.soon .nm::after { content: " · 준비중"; color: var(--text-muted); font-weight: 400; font-size: .78rem; }

/* ---------- 인쇄 ---------- */
@media print {
  body { background: #fff; color: #000; }
  .wrap { max-width: none; padding: 0; }
  .site-header, .theme-btn, .table-tools, .pager, .history-card, footer.note, .no-print { display: none !important; }
  .layout { grid-template-columns: 1fr; }
  .card { box-shadow: none; border-color: #ccc; break-inside: avoid; }
  table.sched { min-width: 0; font-size: 10px; }
  table.sched th { position: static; }
}