/* pro_forma — 단일 페이지 (입력 + 결과) 스타일 */

* { box-sizing: border-box; }

body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont,
               'Segoe UI', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  margin: 0;
  padding: 0;
  color: #1f2328;
  line-height: 1.55;
  background: #fafbfc;
}

/* ═══ 레이아웃: 메인 (입력) + 우측 (옵티마이저 + 결과) ═══ */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(420px, 1fr);
  gap: 1.5rem;
  max-width: 1500px;
  margin: 0 auto;
  padding: 1.25rem 1rem 4rem;
  align-items: start;
}
.main { min-width: 0; }

.right {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: sticky;
  top: 1rem;
  align-self: start;
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
}
@media (max-width: 1100px) {
  .layout { grid-template-columns: 1fr; }
  .right { position: static; max-height: none; }
}

/* ─── 결과 패널 좌측 배치 토글 ───────────────────────────────
   <body class="layout-result-left"> 가 있으면 결과 카드를 좌측,
   입력 폼을 우측에 둔다. body 클래스만 빼면 원래(우측 결과)로 복귀.
   모바일(<1100px) 에서는 둘 다 상-하 스택 — 폼 먼저, 결과 나중. */
@media (min-width: 1101px) {
  body.layout-result-left .layout {
    grid-template-columns: minmax(420px, 1fr) minmax(0, 1.4fr);
  }
  body.layout-result-left .right  { order: -1; }
  body.layout-result-left .main   { order:  0; }
}

.card {
  background: #ffffff;
  border: 1px solid #d0d7de;
  border-radius: 6px;
  padding: 1rem 1.1rem;
}
.card h2 {
  margin: 0 0 .55rem;
  font-size: 1.05rem;
  color: #2a5a8a;
  border-bottom: 1px solid #e1e4e8;
  padding-bottom: .35rem;
}

/* ═══ 옵티마이저 영역 (메인 하단 fieldset) ═══ */
fieldset.opt-card {
  border-color: #b9c8d8;
  background: #f7faff;
}
fieldset.opt-card legend {
  color: #2a5a8a;
}
.opt-header {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: .8rem 1rem;
  margin: .2rem 0 1rem;
  padding-bottom: .8rem;
  border-bottom: 1px dashed #c5d3e1;
}
.opt-select {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  font-weight: 600;
  font-size: .92rem;
  margin: 0;
  min-width: 240px;
}
.opt-header .run-opt-btn {
  margin: 0;
  flex: 0 0 auto;
}
.opt-header .opt-status {
  margin: 0 0 .35rem;
  flex: 1 1 auto;
  min-width: 12rem;
}
.opt-desc {
  font-size: .87rem;
  color: #3a434d;
  background: #ffffff;
  border-left: 3px solid #2a5a8a;
  padding: .5rem .75rem;
  margin: .3rem 0 .8rem;
  border-radius: 3px;
}
.opt-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: .55rem 1rem;
}
.opt-fields > .hint,
.opt-fields > .hint-block,
.opt-fields > .per-plan-n-range {
  grid-column: 1 / -1;
  margin: 0;
}
.per-plan-n-range h5 {
  margin: .3rem 0 .35rem;
  font-size: .88rem;
  color: #3a434d;
}
.per-plan-n-range table.plans {
  font-size: .85rem;
}
.per-plan-n-range .plan-name-label {
  font-weight: 600;
  text-align: left;
  padding-left: .5rem;
}
.opt-row {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  margin: 0;
  font-size: .88rem;
}
.opt-row.check {
  flex-direction: row;
  align-items: center;
  gap: .5rem;
}
.hint-block {
  background: #fff8dc;
  padding: .55rem .7rem;
  border-radius: 3px;
  border: 1px solid #f0e3a3;
  font-size: .82rem;
}
.run-opt-btn {
  padding: .55rem 1.4rem;
  font-size: .95rem;
}
.opt-status {
  font-size: .85rem;
  color: #50595f;
}

/* ═══ 결과 카드 ═══ */
.result-card section {
  margin-bottom: 1rem;
  padding: 0;
  border: 0;
  background: transparent;
}
.result-card h3 {
  margin: 1rem 0 .35rem;
  padding-bottom: .25rem;
  font-size: .98rem;
  color: #24292f;
  border-bottom: 1px solid #e1e4e8;
}
.result-card h4 {
  margin: .8rem 0 .3rem;
  font-size: .9rem;
  color: #3a434d;
}
.result-meta {
  font-size: .85rem;
  color: #50595f;
  margin: .25rem 0 .5rem;
}

.error-box {
  background: #fff0f3;
  border: 1px solid #f7b3c1;
  border-left: 4px solid #cc3355;
  padding: .65rem .85rem;
  border-radius: 4px;
  color: #82273f;
  font-size: .9rem;
}
.error-box strong { display: block; margin-bottom: .25rem; }
.error-box p { margin: 0; }

/* ═══ 헤더 / 본문 ═══ */
header h1 {
  margin: 0 0 .3rem;
  font-size: 1.6rem;
  border-bottom: 2px solid #2a5a8a;
  padding-bottom: .4rem;
}
.brand {
  display: inline-block;
  font-family: 'JetBrains Mono', 'Menlo', 'Consolas', monospace;
  background: #2a5a8a;
  color: white;
  padding: .15rem .5rem;
  font-size: .8rem;
  border-radius: 4px;
  vertical-align: middle;
  margin-left: .4rem;
}
.hint {
  color: #656d76;
  font-size: .88rem;
  margin: .3rem 0 .6rem;
}

fieldset {
  margin: 1rem 0;
  padding: .9rem 1.3rem 1.1rem;
  border: 1px solid #d0d7de;
  border-radius: 6px;
  background: #ffffff;
}
legend {
  font-weight: 700;
  padding: 0 .55rem;
  color: #1f2328;
  font-size: 1rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: .55rem 1rem;
}
label {
  display: flex;
  flex-direction: column;
  font-size: .88rem;
  color: #24292f;
  gap: .2rem;
}

input[type=number], input[type=text], select {
  padding: .35rem .5rem;
  font-size: .92rem;
  border: 1px solid #c5ccd2;
  border-radius: 4px;
  background: white;
  color: #1f2328;
  font-family: inherit;
}

/* 입력란 아래 단위 환산값 / 법정 한도 표시 */
.unit-conv {
  display: block;
  font-size: .78rem;
  color: #50595f;
  margin-top: .15rem;
  min-height: .9rem;
  font-family: 'JetBrains Mono', 'Menlo', 'Consolas', monospace;
}
.unit-conv.warn {
  color: #cc3355;
  font-weight: 600;
}
input:focus, select:focus {
  border-color: #2a5a8a;
  outline: 2px solid rgba(42, 90, 138, .15);
}

/* ═══ 평형 표 ═══ */
table.plans {
  width: 100%;
  border-collapse: collapse;
  margin-top: .4rem;
  font-size: .87rem;
}
table.plans th, table.plans td {
  border: 1px solid #d0d7de;
  padding: .3rem .35rem;
  text-align: center;
}
table.plans th { background: #f0f3f6; font-weight: 600; font-size: .82rem; }
table.plans input[type=number],
table.plans input[type=text] {
  width: 100%;
  padding: .22rem .28rem;
  font-size: .87rem;
}

/* ═══ key-value 표 ═══ */
table.kv {
  width: 100%;
  border-collapse: collapse;
  margin: .25rem 0 .55rem;
  font-size: .87rem;
}
table.kv th, table.kv td {
  border: 1px solid #d0d7de;
  padding: .35rem .55rem;
  text-align: left;
  vertical-align: top;
}
table.kv th {
  background: #f0f3f6;
  font-weight: 500;
  color: #24292f;
  width: 40%;
}
table.kv tr.total th,
table.kv tr.total td {
  background: #fff8dc;
  font-size: .92rem;
}
td.money { font-family: 'JetBrains Mono', 'Menlo', 'Consolas', monospace; text-align: right; white-space: nowrap; }
td.num   { font-family: 'JetBrains Mono', 'Menlo', 'Consolas', monospace; text-align: right; }
.minus   { color: #cc3355; }
.muted   { color: #656d76; font-size: .9em; }

.badge {
  display: inline-block;
  font-size: .78rem;
  padding: .15rem .55rem;
  background: #2a5a8a;
  color: white;
  border-radius: 12px;
  vertical-align: middle;
}
.ok   { color: #117733; font-weight: 600; margin-left: .5rem; font-size: .82em; }
.fail { color: #cc3355; font-weight: 600; margin-left: .5rem; font-size: .82em; }

details {
  margin: 1rem 0;
}
details summary {
  cursor: pointer;
  font-weight: 600;
  padding: .45rem .75rem;
  background: #f0f3f6;
  border: 1px solid #d0d7de;
  border-radius: 4px;
  user-select: none;
}
details[open] summary { margin-bottom: .5rem; }

button {
  padding: .55rem 1.2rem;
  font-size: .95rem;
  font-weight: 600;
  background: #2a5a8a;
  color: white;
  border: 0;
  border-radius: 5px;
  cursor: pointer;
  font-family: inherit;
}
button:hover { background: #1f4870; }
button:disabled { background: #8a9ba8; cursor: progress; }

footer {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid #e1e4e8;
}
