/* 시안 C · 소프트 모던 (라이트 테마) */
:root {
  --bg: #f3f5f9;
  --surface: #ffffff;
  --ink: #1b2133;
  --ink-2: #4a5268;
  --muted: #8790a6;
  --line: #e6e9f0;
  --line-2: #d7dce6;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-ink: #ffffff;
  --accent-soft: #eef0ff;
  --accent-soft-2: #e0e3ff;
  --off-bg: #f3f5f9;
  --off-ink: #c3c8d6;
  --ok: #15803d;
  --ok-soft: #e7f6ec;
  --warn: #a16207;
  --warn-soft: #fdf3dc;
  --err: #dc2626;
  --err-soft: #fdecec;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(20, 30, 60, .05), 0 4px 16px rgba(20, 30, 60, .06);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.6 "Noto Sans KR", system-ui, -apple-system, "Malgun Gothic", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: var(--accent-soft); color: var(--accent-hover); padding: 1px 6px; border-radius: 6px; font-size: .86em; }
h1, h2, h3 { line-height: 1.3; margin: 0; letter-spacing: -0.01em; }

/* ---------- 상단 바 ---------- */
.topbar { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.topbar-row {
  max-width: 760px; margin: 0 auto; padding: 14px 16px 6px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.brand { font-weight: 700; color: var(--ink); font-size: 18px; white-space: nowrap; letter-spacing: -0.02em; }
.brand:hover { text-decoration: none; }
.brand-mark { margin-right: 6px; }
.who { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--ink-2); min-width: 0; }
.who-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.who form { margin: 0; }
.role { background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 1px 8px; font-size: 12px; font-weight: 700; }
.tabs {
  max-width: 760px; margin: 0 auto; padding: 0 8px; display: flex; gap: 2px;
  overflow-x: auto; scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tabs a {
  padding: 10px 10px 11px; color: var(--muted); white-space: nowrap; font-size: 15px; font-weight: 500;
  border-bottom: 2px solid transparent;
}
.tabs a:hover { color: var(--ink); text-decoration: none; }
.tabs a.on { color: var(--accent); border-bottom-color: var(--accent); font-weight: 700; }
.pill { background: var(--accent); color: var(--accent-ink); border-radius: 999px; padding: 0 7px; font-size: 12px; font-weight: 700; }
.linklike { background: none; border: 0; padding: 0; font: inherit; color: var(--muted); cursor: pointer; }
.linklike:hover { color: var(--accent); }

/* ---------- 레이아웃 ---------- */
.wrap { max-width: 760px; margin: 0 auto; padding: 24px 16px 64px; }
.hero { padding: 12px 4px 20px; }
.page-title { font-size: 26px; font-weight: 700; }
.lead { color: var(--muted); margin: 8px 0 0; }
.card {
  background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 22px; margin-bottom: 16px;
}
.sec-title { font-size: 18px; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.count { background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 0 10px; font-size: 14px; }
h3 { font-size: 15px; margin: 20px 0 6px; }
.step-head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.step-head h2 { font-size: 17px; }
.step-no {
  width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); font-size: 14px; font-weight: 700;
}

/* ---------- 로그인/가입 ---------- */
.auth { max-width: 400px; margin: 24px auto 0; }
.auth-title { font-size: 30px; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 4px; }
.auth .lead { margin: 0 0 20px; }
.consent { background: var(--bg); border-radius: var(--radius-sm); padding: 12px 14px; font-size: 14px; }
.consent ul { margin: 6px 0 10px; padding-left: 18px; color: var(--muted); }
.applicant { background: var(--bg); border-radius: var(--radius-sm); padding: 10px 14px; font-size: 15px; }

/* ---------- 버튼·칩 ---------- */
.chip, .slot, .day, .icon-btn, .btn {
  font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line-2);
  border-radius: var(--radius-sm); cursor: pointer;
  transition: background .15s, border-color .15s, color .15s, box-shadow .15s;
}
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { padding: 8px 20px; border-radius: 999px; font-weight: 500; }
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 11px 20px; font-weight: 500; border-radius: 999px; }
.btn:hover { text-decoration: none; border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 700; }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--accent-ink); }
.btn.primary:disabled { opacity: .6; cursor: wait; }
.btn.ghost { background: transparent; }
.btn.danger { background: var(--err); border-color: var(--err); color: #fff; }
.btn.danger:hover { filter: brightness(.95); color: #fff; }
.btn.small { padding: 6px 12px; font-size: 13px; white-space: nowrap; }

/* ---------- 주간 달력 ---------- */
.week-nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.icon-btn { width: 38px; height: 38px; font-size: 20px; line-height: 1; border-radius: 50%; }
.icon-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.icon-btn:disabled { opacity: .35; cursor: default; }

.days { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; margin-bottom: 14px; }
.day { padding: 8px 2px; display: flex; flex-direction: column; align-items: center; gap: 1px; min-width: 0; border-color: var(--line); }
.day:hover { border-color: var(--accent); }
.day .wd { font-size: 12px; color: var(--muted); }
.day .dt { font-weight: 700; font-size: 15px; }
.day .cnt { font-size: 11px; color: var(--accent); white-space: nowrap; }
.day.empty:not(.active) { background: var(--off-bg); border-color: var(--off-bg); }
.day.empty:not(.active) .dt, .day.empty:not(.active) .cnt { color: var(--off-ink); }
.day.today:not(.active) { border-color: var(--accent-soft-2); }
.day.active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.day.active .wd, .day.active .cnt { color: inherit; opacity: .9; }

/* ---------- 시간 선택 (한 줄 = 1시간) ---------- */
.legend { display: flex; gap: 14px; font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 4px; margin-right: 5px; vertical-align: -1px; }
.lg-ok { background: var(--accent-soft); border: 1px solid var(--accent-soft-2); }
.lg-no { background: var(--off-bg); border: 1px solid var(--line); }
.slot-rows { display: flex; flex-direction: column; gap: 6px; min-height: 48px; }
.slot-row { display: flex; align-items: center; gap: 8px; }
.hour { width: 34px; flex: none; font-size: 13px; color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }
.slot-cells { flex: 1; display: grid; grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); gap: 6px; min-width: 0; }
.slot {
  padding: 8px 0; font-size: 14px; font-weight: 500; font-variant-numeric: tabular-nums;
  background: var(--accent-soft); border-color: var(--accent-soft); color: var(--accent-hover); min-width: 0;
}
.slot:hover:not(:disabled) { border-color: var(--accent); }
.slot.active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.slot:disabled {
  background: var(--off-bg); border-color: var(--off-bg); color: var(--off-ink);
  text-decoration: line-through; cursor: not-allowed;
}
@media (max-width: 480px) {
  .slot { font-size: 12px; padding: 7px 0; border-radius: 8px; }
  .slot-cells { gap: 4px; }
  .hour { width: 28px; font-size: 12px; }
}

.picked {
  display: flex; flex-direction: column; background: var(--accent-soft); border-radius: var(--radius-sm);
  padding: 12px 14px; margin-bottom: 16px;
}
.picked span { font-size: 13px; color: var(--muted); }
.picked strong { color: var(--accent-hover); }

/* ---------- 폼 ---------- */
label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 500; color: var(--ink-2); }
label.check { flex-direction: row; align-items: flex-start; gap: 8px; font-weight: 400; color: var(--ink-2); }
label.check input { width: auto; flex: none; margin-top: 5px; accent-color: var(--accent); }
input, select, textarea {
  font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line-2);
  border-radius: var(--radius-sm); padding: 10px 12px; width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
input:disabled { background: var(--bg); color: var(--muted); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft-2); }
button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.required { color: var(--err); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; }
.error { color: var(--err); font-size: 14px; margin: 0; }
.error:empty { display: none; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.row form { margin: 0; }

/* ---------- 알림 ---------- */
.flash { padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 14px; font-size: 14px; }
.flash-ok { background: var(--ok-soft); color: var(--ok); }
.flash-error { background: var(--err-soft); color: var(--err); }
.flash-info { background: var(--warn-soft); color: var(--warn); }
.ok-text { color: var(--ok); font-weight: 700; }

/* ---------- 상태 배지 ---------- */
.badge { display: inline-block; border-radius: 999px; padding: 2px 10px; font-size: 12px; font-weight: 700; }
.badge-pending { background: var(--warn-soft); color: var(--warn); }
.badge-approved { background: var(--ok-soft); color: var(--ok); }
.badge-rejected, .badge-cancelled { background: var(--err-soft); color: var(--err); }
.badge-done { background: var(--bg); color: var(--muted); }
.status-card h1 { font-size: 22px; margin-bottom: 4px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 18px 0 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

/* ---------- 신청 목록 ---------- */
.req {
  display: flex; gap: 16px; justify-content: space-between; align-items: flex-start; flex-wrap: wrap;
  border-top: 1px solid var(--line); padding: 16px 0;
}
.req:first-of-type { border-top: 0; padding-top: 4px; }
.req-conflict { background: var(--err-soft); border-radius: var(--radius-sm); padding: 14px; }
.req-main { flex: 1 1 280px; min-width: 0; }
.req-main .badge { margin-bottom: 4px; }
.req-when { font-weight: 700; font-size: 17px; }
.req-who { color: var(--ink-2); }
.req-meta { color: var(--muted); font-size: 14px; }
.req-msg { background: var(--bg); border-radius: var(--radius-sm); padding: 8px 12px; margin: 8px 0 0; font-size: 14px; white-space: pre-wrap; overflow-wrap: anywhere; }
.req-msg .muted { font-size: 12px; margin-right: 6px; }
.req-actions { display: flex; gap: 8px; align-items: flex-start; flex-wrap: wrap; }
.req-actions form { margin: 0; }
.reject summary { list-style: none; }
.reject summary::-webkit-details-marker { display: none; }
.reject[open] summary { margin-bottom: 8px; }
.reject form { min-width: 220px; }

.row-actions { display: flex; gap: 6px; align-items: flex-start; }
.row-actions form { margin: 0; }
.danger-text { color: var(--err); }
.btn.danger-text:hover { border-color: var(--err); color: var(--err); }
.danger-box { background: var(--err-soft); border-radius: var(--radius-sm); padding: 12px; white-space: normal; width: 240px; gap: 8px; }
.danger-box p { margin: 0; color: var(--err); }
.hint-list { margin: -6px 0 14px; padding-left: 18px; color: var(--muted); font-size: 13px; }
.hint-list li { margin: 2px 0; }
.hint-list b { color: var(--ink-2); }

/* ---------- 수입관리 ---------- */
.nav-link { display: grid; place-items: center; }
.nav-link:hover { text-decoration: none; }
.month-title { font-size: 18px; }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-bottom: 18px; }
.stat { background: var(--bg); border-radius: var(--radius-sm); padding: 12px 14px; min-width: 0; }
.stat span { display: block; font-size: 13px; color: var(--muted); }
.stat strong { display: block; font-size: 20px; letter-spacing: -0.02em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stat:first-child strong { color: var(--accent-hover); }
.stat .est { display: block; font-style: normal; font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 480px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats .stat:first-child { grid-column: 1 / -1; }
  .stat strong { font-size: 17px; }
  .stats .stat:first-child strong { font-size: 22px; }
  .stat { padding: 10px 12px; }
}

.cal { display: flex; flex-direction: column; gap: 4px; }
.cal-head, .cal-row { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.cal-head span { text-align: center; font-size: 12px; color: var(--muted); padding-bottom: 2px; }
.sat { color: #2563eb !important; }
.sun { color: var(--err) !important; }
.cal-cell {
  min-height: 74px; border-radius: 10px; background: var(--surface); border: 1px solid var(--line);
  padding: 6px 7px; display: flex; flex-direction: column; gap: 2px; min-width: 0;
}
.cal-cell.blank { background: transparent; border-color: transparent; }
.cal-cell.has { background: var(--accent-soft); border-color: var(--accent-soft-2); }
.cal-cell.today { border-color: var(--accent); }
.cal-day { font-size: 13px; font-weight: 500; color: var(--ink-2); }
.cal-amt { font-size: 13px; font-weight: 700; color: var(--accent-hover); font-variant-numeric: tabular-nums; margin-top: auto; overflow: hidden; }
.cal-amt .short { display: none; }
.cal-cnt { font-size: 11px; color: var(--muted); }
@media (max-width: 560px) {
  .cal-cell { min-height: 58px; padding: 4px 3px; }
  .cal-head, .cal-row { gap: 3px; }
  .cal-amt .full { display: none; }
  .cal-amt .short { display: inline; font-size: 11px; letter-spacing: -0.04em; white-space: nowrap; }
  .cal-cnt { display: none; }
}

.cal-cell.has-lesson { background: var(--surface); }
.cal-lesson {
  display: block; font-size: 12px; font-weight: 700; border-radius: 6px; padding: 1px 5px;
  font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; cursor: default;
}
.cal-lesson.approved { background: var(--accent); color: #fff; }
.cal-lesson.pending { background: var(--warn-soft); color: var(--warn); }
.cal-lesson.done { background: var(--bg); color: var(--muted); }
.lg-approved { background: var(--accent); }
.lg-pending { background: var(--warn-soft); border: 1px solid #f3dca6; }
.lg-done { background: var(--bg); border: 1px solid var(--line); }
.month-title .count { margin-left: 6px; font-size: 13px; vertical-align: 2px; }
@media (max-width: 560px) { .cal-lesson { font-size: 10.5px; padding: 1px 2px; text-align: center; letter-spacing: -0.03em; } }

.bars { position: relative; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 2px; height: 200px; padding-top: 4px; }
.bar-col { display: flex; flex-direction: column; align-items: center; gap: 4px; min-width: 0; color: inherit; border-radius: 8px; padding: 0 2px; }
.bar-col:hover { text-decoration: none; background: var(--bg); }
.bar-val { font-size: 11px; font-weight: 700; color: var(--ink-2); height: 15px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.bar-track { flex: 1; width: 100%; display: flex; align-items: flex-end; justify-content: center; border-bottom: 1px solid var(--line); }
.bar { width: min(28px, 70%); background: var(--accent-soft-2); border-radius: 4px 4px 0 0; min-height: 0; transition: background .15s; }
.bar-col:hover .bar { background: #a5a8f6; }
.bar-col.on .bar { background: var(--accent); }
.bar-lbl { font-size: 12px; color: var(--muted); }
.bar-col.on .bar-lbl { color: var(--accent); font-weight: 700; }
.tip {
  position: absolute; transform: translateX(-50%); pointer-events: none; z-index: 5;
  background: var(--ink); color: #fff; font-size: 12px; padding: 6px 10px; border-radius: 8px; white-space: nowrap;
}
.card { position: relative; }
.table-toggle { margin-top: 14px; }
.table-toggle summary { cursor: pointer; font-size: 13px; color: var(--muted); }
.table-toggle summary:hover { color: var(--accent); }

/* ---------- 시간 조정 ---------- */
.was { color: var(--muted); text-decoration: line-through; text-decoration-thickness: 1.5px; font-weight: 400; }
.arrow { color: var(--muted); margin: 0 6px; font-weight: 400; }
.now { color: var(--ink); }
.req-when .was { font-size: 14px; }
.changed-note { margin: 4px 0 0; font-size: 13px; color: var(--accent-hover); background: var(--accent-soft);
  border-radius: 8px; padding: 6px 10px; }
.adjust { flex-basis: 100%; }
.adjust summary { list-style: none; display: inline-flex; }
.adjust summary::-webkit-details-marker { display: none; }
.adjust-form { margin-top: 10px; background: var(--bg); border-radius: var(--radius-sm); padding: 14px;
  display: flex; flex-direction: column; gap: 10px; }
.adjust-fields { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 10px; }
@media (max-width: 560px) { .adjust-fields { grid-template-columns: 1fr 1fr; } .adjust-fields label:first-child { grid-column: 1 / -1; } }
.adjust-preview { margin: 0; font-size: 15px; min-height: 1.4em; }
.adjust-form .btn { align-self: flex-start; }

/* ---------- 레슨 직접 추가 ---------- */
.add-lesson > summary { list-style: none; cursor: pointer; margin-bottom: 0; }
.add-lesson > summary::-webkit-details-marker { display: none; }
.add-lesson .plus { width: 34px; height: 34px; padding: 0; font-size: 22px; line-height: 1; }
.add-lesson[open] .plus { transform: rotate(45deg); }
.add-lesson[open] > summary { margin-bottom: 8px; }
.add-form { background: var(--bg); border-radius: var(--radius-sm); padding: 14px; margin-bottom: 18px;
  display: flex; flex-direction: column; gap: 12px; }
.add-form .adjust-fields { grid-template-columns: 1.3fr 1fr; }
.add-form .btn { align-self: flex-start; }
.add-form .seg { background: var(--surface); }
.add-form [hidden] { display: none; }
.time-pick { display: flex; gap: 6px; }
fieldset.dur-pick { border: 0; padding: 0; margin: 0; }

/* ---------- 캘린더 구독 주소 ---------- */
.feed-box { display: flex; gap: 8px; align-items: center; }
.feed-box input { font-size: 13px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.feed-box .btn { flex: none; }
ol.hint-list { margin: 10px 0 0; padding-left: 20px; }

/* ---------- 페이지 넘기기 ---------- */
.pager { display: flex; justify-content: center; gap: 6px; flex-wrap: wrap; margin-top: 16px; }
.pager a {
  min-width: 36px; height: 36px; padding: 0 10px; display: grid; place-items: center; border-radius: 10px;
  border: 1px solid var(--line-2); color: var(--ink-2); font-variant-numeric: tabular-nums;
}
.pager a:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.pager a.on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 700; }

/* ---------- 목록 지우기 ---------- */
.inline-form { margin: 0; display: inline; }
.sec-action { margin-left: auto; }
.sec-title .sec-action .btn { font-weight: 500; }
.x-cell { width: 36px; text-align: right; }
.x-btn {
  width: 28px; height: 28px; border-radius: 50%; border: 1px solid transparent; background: transparent;
  color: var(--muted); font-size: 18px; line-height: 1; cursor: pointer;
}
.x-btn:hover { background: var(--err-soft); color: var(--err); }

/* ---------- 표 ---------- */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { text-align: left; padding: 10px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { color: var(--muted); font-weight: 500; font-size: 13px; }
.table-wrap { overflow-x: auto; }
.table-wrap .table th, .table-wrap .table td { white-space: nowrap; }
tr.inactive td { opacity: .5; }
.swatch { display: inline-block; width: 14px; height: 14px; border-radius: 4px; vertical-align: middle; }

/* ---------- 유틸 ---------- */
.muted { color: var(--muted); }
.hint { color: var(--muted); font-size: 13px; margin: 14px 0 0; }
.center { grid-column: 1 / -1; text-align: center; margin: 8px 0; }
.center-text { text-align: center; margin: 0; }
.small-text { font-size: 13px; }
.right { text-align: right; margin: 0; }
.top-gap { margin-top: 12px; }
.top-0 { margin-top: -6px; margin-bottom: 10px; }
small { font-weight: 400; font-size: 12px; color: var(--muted); }

/* ---------- 여러 선생님: 가입 · 선생님 선택 ---------- */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); border: 0; }
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; background: var(--bg); padding: 4px; border-radius: 12px; border: 0; margin: 0; }
.seg.small { display: inline-grid; grid-template-columns: auto auto; }
.seg-item { flex-direction: row; cursor: pointer; }
.seg-item input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.seg-item span { display: block; width: 100%; text-align: center; padding: 9px 14px; border-radius: 9px; color: var(--muted); font-weight: 500; }
.seg-item input:checked + span { background: var(--surface); color: var(--accent); font-weight: 700; box-shadow: var(--shadow); }
.seg-item input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 1px; }
#signupForm[data-kind="student"] .only-teacher, #signupForm[data-kind="teacher"] .only-student { display: none; }
fieldset.teacher-pick, fieldset.authors { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 14px 12px; margin: 0;
  display: flex; flex-direction: column; gap: 6px; }
fieldset legend { font-size: 14px; font-weight: 500; color: var(--ink-2); padding: 0 4px; }
.teacher-list { list-style: none; padding: 0; margin: 0 0 12px; display: flex; flex-direction: column; gap: 8px; }
.teacher-list li { display: flex; align-items: center; gap: 8px; }
.inline-add { display: flex; gap: 8px; align-items: center; }
.inline-add select { max-width: 240px; }
.teacher-chips { margin-bottom: 12px; }
.one-teacher { margin: 0 0 12px; font-size: 16px; }
.tname { color: var(--ink-2); font-weight: 700; }
.special-note { margin: 0 0 8px; font-size: 13px; color: var(--warn); background: var(--warn-soft); border-radius: 8px; padding: 6px 10px; }
.day.special:not(.active) { border-color: #f3dca6; }

/* ---------- 레슨비 ---------- */
.fee-form { display: flex; flex-direction: column; gap: 12px; }
.fee-form .btn { align-self: flex-start; }
.fee-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.won-input { position: relative; display: flex; align-items: center; }
.won-input input { padding-right: 32px; text-align: right; font-variant-numeric: tabular-nums; }
.won-input em { position: absolute; right: 12px; font-style: normal; color: var(--muted); font-size: 14px; pointer-events: none; }
.won-input.small input { width: 120px; padding: 6px 28px 6px 8px; font-size: 14px; }
.won-input.small em { right: 9px; font-size: 13px; }
.complete-form { display: flex; gap: 6px; align-items: center; }
.complete-form .won-input input { width: 130px; padding-top: 7px; padding-bottom: 7px; }
.amount-edit { display: flex; gap: 6px; align-items: center; margin: 0; }
input[type=number]::-webkit-inner-spin-button { opacity: .4; }

/* ---------- 설정 ---------- */
.subnav { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.subnav a { background: var(--surface); box-shadow: var(--shadow); border-radius: 999px; padding: 6px 14px; font-size: 14px; color: var(--ink-2); }
.subnav a:hover { color: var(--accent); text-decoration: none; }
section[id] { scroll-margin-top: 110px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .two-col { grid-template-columns: 1fr; } }
.week-rules { display: flex; flex-direction: column; gap: 6px; }
.week-rule { display: grid; grid-template-columns: 92px 1fr; gap: 10px; align-items: center; }
.day-toggle { font-weight: 700; }
.rule-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 12px; }
.special-form { display: grid; grid-template-columns: 160px auto 1fr 1fr auto; gap: 10px; align-items: end; }
@media (max-width: 720px) { .special-form { grid-template-columns: 1fr 1fr; } .special-form .btn { grid-column: 1 / -1; justify-self: start; } }
.special-form:has(input[value=closed]:checked) .sp-hours { opacity: .4; pointer-events: none; }

/* ---------- teacher tags, search, inquiries ---------- */
.ttag { font-weight: 700; color: var(--ink); }
.tcode { margin-left: 6px; font-size: 11px; color: var(--muted); background: var(--bg); border-radius: 6px; padding: 1px 6px;
  font-variant-numeric: tabular-nums; letter-spacing: .04em; }
.tbadge { display: inline-block; font-size: 12px; font-weight: 700; color: var(--accent-hover); background: var(--accent-soft);
  border-radius: 999px; padding: 2px 10px; white-space: nowrap; }
.lesson-top { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin-bottom: 4px; }
.lesson-top .badge { margin: 0; }
.cal-lesson b { font-weight: 700; display: block; }
.cal-lesson em { display: block; font-style: normal; font-weight: 500; font-size: 10.5px; opacity: .85;
  overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 560px) { .cal-lesson em { display: none; } }
.role.super { background: var(--ink); color: #fff; }
.teacher-select { max-width: 360px; margin-bottom: 12px; }
.search-form { display: flex; gap: 8px; max-width: 420px; }
.search-results { margin-top: 14px; display: flex; flex-direction: column; }
.result-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 0;
  border-top: 1px solid var(--line); }
.result-row:first-child { border-top: 0; }
.result-row form { margin: 0; }
.inq-row { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 10px; align-items: center;
  padding: 12px 4px; border-top: 1px solid var(--line); color: var(--ink); }
.inq-row:first-of-type { border-top: 0; }
.inq-row:hover { background: var(--bg); text-decoration: none; }
.inq-subject { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card .inq-row:has(> :nth-child(4)) { grid-template-columns: minmax(0, 1fr) auto auto auto; }
@media (max-width: 560px) { .inq-row, .card .inq-row:has(> :nth-child(4)) { grid-template-columns: 1fr auto; } .inq-row > .muted { grid-column: 1 / -1; } }
.inq-body, .inq-answer { white-space: pre-wrap; overflow-wrap: anywhere; background: var(--bg); border-radius: var(--radius-sm);
  padding: 14px 16px; line-height: 1.7; }
.inq-answer { background: var(--accent-soft); }
.filter-chips { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.filter-chips .chip { padding: 5px 14px; font-size: 14px; }
.filter-chips .chip:hover { text-decoration: none; }
.inline-add { align-items: flex-end; }
.inline-add .grow { flex: 1; max-width: 320px; }