/* =====================================================================
   공감수학 · 화면 디자인
   대표색: 크림 #fffbc6, 딥그린 #0d543b
   ===================================================================== */

@font-face {
  font-family: "Dovemayo";
  /* 원장님이 주신 글꼴 파일을 먼저 쓰고, 없으면 인터넷에서 */
  src: url("../fonts/Dovemayo_gothic.ttf") format("truetype"),
       url("https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2302@1.1/Dovemayo_gothic.woff2") format("woff2");
  font-weight: normal;
  font-display: swap;
}

:root {
  --brand-cream: #fffbc6;
  --brand-green: #0d543b;

  --bg: #fffdf3;
  --surface: #ffffff;
  --surface-2: #fff9d9;
  --surface-3: #f6f1d6;
  --text: #1f2b25;
  --text-soft: #4b5a52;
  --muted: #7a857f;
  --border: #ece5c3;
  --primary: #0d543b;
  --primary-hover: #0a4430;
  --on-primary: #fffbc6;
  --accent-bg: #e6f0ea;
  --accent-text: #0d543b;
  --danger: #b4452f;
  --danger-bg: #fbe9e4;
  --warn-bg: #fff4c2;
  --warn-text: #7a5a00;
  --focus: #3c8a69;
  --shadow: 0 1px 2px rgba(60, 50, 10, .05), 0 6px 20px rgba(60, 50, 10, .06);

  --font-body: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --font-title: "Dovemayo", var(--font-body);
  --radius: 16px;
  --radius-sm: 10px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #101814;
    --surface: #17221c;
    --surface-2: #1d2b23;
    --surface-3: #22332a;
    --text: #f4f1dc;
    --text-soft: #d2d3c2;
    --muted: #9aa69e;
    --border: #2b3c33;
    --primary: #fffbc6;
    --primary-hover: #f3eda8;
    --on-primary: #0d543b;
    --accent-bg: #1f3a2d;
    --accent-text: #cfe9d9;
    --danger: #f08f78;
    --danger-bg: #3a211b;
    --warn-bg: #3a3214;
    --warn-text: #f3df8a;
    --focus: #9fd3b8;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #101814;
  --surface: #17221c;
  --surface-2: #1d2b23;
  --surface-3: #22332a;
  --text: #f4f1dc;
  --text-soft: #d2d3c2;
  --muted: #9aa69e;
  --border: #2b3c33;
  --primary: #fffbc6;
  --primary-hover: #f3eda8;
  --on-primary: #0d543b;
  --accent-bg: #1f3a2d;
  --accent-text: #cfe9d9;
  --danger: #f08f78;
  --danger-bg: #3a211b;
  --warn-bg: #3a3214;
  --warn-text: #f3df8a;
  --focus: #9fd3b8;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

h1, h2, h3, .title-font { font-family: var(--font-title); font-weight: normal; letter-spacing: -0.01em; }
h1 { font-size: 1.6rem; margin: 0 0 .25rem; line-height: 1.3; }
h2 { font-size: 1.3rem; margin: 0 0 .75rem; line-height: 1.35; }
h3 { font-size: 1.1rem; margin: 0 0 .5rem; }
p { margin: 0 0 .75rem; }
.muted { color: var(--muted); }
.soft { color: var(--text-soft); }
.small { font-size: .875rem; }
.center { text-align: center; }

.boot { min-height: 100vh; display: grid; place-items: center; }
.boot img { border-radius: 16px; opacity: .85; }

/* ---------- 레이아웃 ---------- */
.shell { min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top));
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; min-width: 0; }
.brand img { width: 34px; height: 34px; border-radius: 9px; flex: none; }
.brand span { font-family: var(--font-title); font-size: 1.2rem; color: var(--text); white-space: nowrap; }
.topbar .spacer { flex: 1; }

.main { width: 100%; max-width: 760px; margin: 0 auto; padding: 20px 16px 48px; flex: 1; }
.main.narrow { max-width: 440px; }

.admin-layout { display: flex; flex: 1; min-height: 0; }
.sidenav { display: none; }
@media (min-width: 900px) {
  .sidenav {
    display: block; width: 240px; flex: none;
    border-right: 1px solid var(--border);
    padding: 16px 12px; position: sticky; top: 57px; height: calc(100vh - 57px); overflow-y: auto;
  }
  .admin-layout .main { max-width: 1040px; padding: 28px 32px 56px; }
}
.nav-group { margin-bottom: 18px; }
.nav-label { font-size: .75rem; color: var(--muted); padding: 0 10px 6px; letter-spacing: .04em; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: var(--radius-sm);
  text-decoration: none; color: var(--text-soft); font-size: .95rem;
}
.nav-item:hover { background: var(--surface-3); }
.nav-item.active { background: var(--accent-bg); color: var(--accent-text); font-weight: 600; }
.nav-item.disabled { opacity: .5; pointer-events: none; }
.nav-item svg { width: 18px; height: 18px; flex: none; }

/* ---------- 카드 · 버튼 ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow);
}
.card + .card { margin-top: 14px; }
.stack > * + * { margin-top: 14px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 46px; padding: 0 18px; border-radius: 12px;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  font-weight: 600; font-size: .98rem; transition: background .15s, border-color .15s, transform .05s;
  white-space: nowrap; flex-shrink: 0;
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 18px; height: 18px; flex: none; }
.list-item > svg { width: 18px; height: 18px; color: var(--muted); flex: none; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }
.btn-outline { background: var(--surface); border-color: var(--border); color: var(--text); }
.btn-outline:hover:not(:disabled) { background: var(--surface-3); }
.btn-ghost { background: transparent; color: var(--text-soft); }
.btn-ghost:hover:not(:disabled) { background: var(--surface-3); }
.btn-danger { background: var(--danger-bg); color: var(--danger); }
.btn-sm { min-height: 36px; padding: 0 12px; font-size: .875rem; border-radius: 10px; }
.btn-block { width: 100%; }
.icon-btn {
  width: 40px; height: 40px; display: inline-grid; place-items: center;
  border-radius: 12px; border: 1px solid transparent; background: transparent; cursor: pointer; color: var(--text-soft);
}
.icon-btn:hover { background: var(--surface-3); }
.icon-btn svg { width: 20px; height: 20px; }

/* ---------- 입력 ---------- */
.field { display: block; }
.field + .field { margin-top: 14px; }
.field > span { display: block; font-size: .9rem; font-weight: 600; margin-bottom: 6px; color: var(--text-soft); }
.field small { display: block; margin-top: 4px; color: var(--muted); font-size: .8rem; }
.input, select.input, textarea.input {
  width: 100%; min-height: 48px; padding: 10px 14px;
  border-radius: 12px; border: 1px solid var(--border); background: var(--surface);
  font-size: 16px; /* 아이폰 확대 방지 */
}
textarea.input { min-height: 96px; resize: vertical; line-height: 1.55; }
.input:focus { outline: none; border-color: var(--focus); box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 22%, transparent); }
.input.code { letter-spacing: .18em; text-transform: uppercase; font-weight: 600; }
.grid-2 { display: grid; gap: 14px; }
@media (min-width: 560px) { .grid-2 { grid-template-columns: 1fr 1fr; } .grid-2 .field + .field { margin-top: 0; } }

.check { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; font-size: .95rem; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--brand-green); flex: none; }

.consent-box {
  max-height: 180px; overflow-y: auto; padding: 12px 14px; margin: 8px 0 12px;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px;
  font-size: .85rem; color: var(--text-soft);
}
.consent-box dl { margin: 0; }
.consent-box dt { font-weight: 600; color: var(--text); margin-top: 6px; }
.consent-box dd { margin: 0; }

/* ---------- 알림 상자 · 뱃지 ---------- */
.notice { padding: 12px 14px; border-radius: 12px; font-size: .9rem; background: var(--surface-2); border: 1px solid var(--border); }
.notice.warn { background: var(--warn-bg); color: var(--warn-text); border-color: transparent; }
.notice.error { background: var(--danger-bg); color: var(--danger); border-color: transparent; }
.badge { display: inline-flex; align-items: center; padding: 2px 9px; border-radius: 999px; font-size: .78rem; font-weight: 600; background: var(--surface-3); color: var(--text-soft); white-space: nowrap; }
.badge.ok { background: var(--accent-bg); color: var(--accent-text); }
.badge.wait { background: var(--warn-bg); color: var(--warn-text); }
.badge.off { background: var(--danger-bg); color: var(--danger); }

/* ---------- 인증 화면 ---------- */
.auth-wrap { min-height: 100vh; display: flex; flex-direction: column; align-items: center; padding: 40px 16px 32px; }
.auth-head { text-align: center; margin-bottom: 24px; }
.auth-head img { width: 92px; height: 92px; border-radius: 22px; margin: 0 auto 14px; box-shadow: var(--shadow); }
.auth-head .slogan { color: var(--muted); font-size: .9rem; letter-spacing: .3em; }
.auth-card { width: 100%; max-width: 420px; }
.auth-links { margin-top: 18px; display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; font-size: .9rem; color: var(--muted); }
.auth-links a { color: var(--text-soft); }

/* ---------- 메뉴 타일 ---------- */
.tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 640px) { .tiles { grid-template-columns: repeat(3, 1fr); } }
.tile {
  display: flex; flex-direction: column; gap: 10px; padding: 16px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  text-decoration: none; color: var(--text); min-height: 112px; box-shadow: var(--shadow);
}
.tile:hover { border-color: color-mix(in srgb, var(--focus) 50%, var(--border)); }
.tile .ic { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; background: var(--accent-bg); color: var(--accent-text); }
.tile .ic svg { width: 20px; height: 20px; }
.tile strong { font-size: 1rem; }
.tile.disabled { opacity: .55; pointer-events: none; box-shadow: none; }

/* ---------- 자녀 전환 ---------- */
.child-switch { display: flex; gap: 8px; overflow-x: auto; padding: 2px 0 4px; scrollbar-width: none; }
.child-switch::-webkit-scrollbar { display: none; }
.chip {
  flex: none; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--surface); cursor: pointer; font-size: .92rem; color: var(--text-soft);
}
.chip.active { background: var(--primary); border-color: var(--primary); color: var(--on-primary); font-weight: 600; }

.hello { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 18px; }

/* ---------- 목록 ---------- */
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.toolbar .input { flex: 1; min-width: 160px; min-height: 44px; }
.tabs { display: inline-flex; background: var(--surface-3); border-radius: 12px; padding: 4px; gap: 2px; }
.tabs button { border: 0; background: transparent; padding: 7px 14px; border-radius: 9px; cursor: pointer; font-size: .9rem; color: var(--text-soft); }
.tabs button.active { background: var(--surface); color: var(--text); font-weight: 600; box-shadow: 0 1px 2px rgba(0,0,0,.08); }

.list { list-style: none; margin: 0; padding: 0; }
.list-item {
  display: flex; align-items: center; gap: 12px; padding: 14px 16px;
  border: 1px solid var(--border); background: var(--surface); border-radius: 14px;
  text-decoration: none; color: inherit;
}
.list-item + .list-item { margin-top: 8px; }
.list-item:hover { border-color: color-mix(in srgb, var(--focus) 45%, var(--border)); }
.list-item .grow { flex: 1; min-width: 0; }
.list-item .name { font-weight: 600; }
.list-item .meta { font-size: .85rem; color: var(--muted); }
.avatar {
  width: 40px; height: 40px; border-radius: 12px; flex: none; display: grid; place-items: center;
  background: var(--surface-2); color: var(--text-soft); font-weight: 700; border: 1px solid var(--border);
}

.guardian { border: 1px dashed var(--border); border-radius: 14px; padding: 14px; }
.guardian + .guardian { margin-top: 12px; }
.code-show {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 1.6rem; letter-spacing: .14em; font-weight: 700; text-align: center;
  padding: 14px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border); margin: 8px 0 12px;
}
.empty { text-align: center; padding: 40px 16px; color: var(--muted); }
.back { display: inline-flex; align-items: center; gap: 4px; color: var(--muted); text-decoration: none; font-size: .9rem; margin-bottom: 10px; }
.back svg { width: 16px; height: 16px; }

/* ---------- 대화상자 · 알림 ---------- */
dialog {
  border: 1px solid var(--border); border-radius: 20px; padding: 22px; width: min(440px, calc(100vw - 32px));
  background: var(--surface); color: var(--text); box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
dialog::backdrop { background: rgba(20, 25, 20, .45); }

#toast {
  position: fixed; left: 50%; bottom: max(24px, env(safe-area-inset-bottom)); transform: translate(-50%, 20px);
  background: var(--text); color: var(--bg); padding: 11px 18px; border-radius: 12px; font-size: .92rem;
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 100; max-width: calc(100vw - 32px);
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 2단계: 통계 · 시간표 · 수강료 ---------- */
.grid-3 { display: grid; gap: 12px; grid-template-columns: 1fr 1fr 1fr; margin-top: 14px; }
.grid-3 .field + .field { margin-top: 0; }
hr.sep { border: 0; border-top: 1px solid var(--border); margin: 18px 0; }
details > summary { cursor: pointer; list-style: none; display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; }
details > summary::-webkit-details-marker { display: none; }
details > summary::before { content: "›"; display: inline-block; transition: transform .15s; color: var(--muted); }
details[open] > summary::before { transform: rotate(90deg); }

.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (min-width: 640px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stats:has(> :nth-child(3):last-child) { grid-template-columns: repeat(3, 1fr); }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 12px 14px; display: flex; flex-direction: column; gap: 2px; }
.stat span { font-size: .8rem; color: var(--muted); }
.stat strong { font-size: 1.35rem; line-height: 1.2; font-variant-numeric: tabular-nums; }
.stat small { font-size: .8rem; color: var(--text-soft); font-variant-numeric: tabular-nums; }
.stat.accent { background: var(--accent-bg); border-color: transparent; }
.stat.accent strong, .stat.accent span { color: var(--accent-text); }
.stat.warn { background: var(--warn-bg); border-color: transparent; }
.stat.warn strong, .stat.warn span { color: var(--warn-text); }

.legend { display: flex; align-items: center; gap: 6px; margin: 12px 0; }
.legend .dot { width: 10px; height: 10px; border-radius: 3px; display: inline-block; margin-left: 8px; }
.legend .dot:first-child { margin-left: 0; }
.dot.open, .tt-class.open { --tt: #2f8a5f; }
.dot.few, .tt-class.few { --tt: #c58a00; }
.dot.full, .tt-class.full { --tt: #b4452f; }
.legend .dot { background: var(--tt); }

.tt-class {
  display: flex; flex-direction: column; align-items: flex-start; gap: 1px; width: 100%;
  padding: 7px 9px; margin-bottom: 6px; border-radius: 10px; cursor: pointer; text-align: left;
  border: 1px solid color-mix(in srgb, var(--tt) 35%, var(--border));
  border-left: 4px solid var(--tt);
  background: color-mix(in srgb, var(--tt) 8%, var(--surface));
}
.tt-class:hover { background: color-mix(in srgb, var(--tt) 14%, var(--surface)); }
.tt-name { font-weight: 600; font-size: .88rem; line-height: 1.3; }
.tt-count { font-size: .85rem; font-variant-numeric: tabular-nums; color: var(--text-soft); }
.tt-count strong { font-size: 1rem; color: var(--text); }
.tt-left { font-size: .75rem; font-weight: 600; color: var(--tt); }
.tt-add {
  width: 100%; min-height: 30px; border: 1px dashed var(--border); border-radius: 10px; background: transparent;
  color: var(--muted); cursor: pointer; display: grid; place-items: center; opacity: .6;
}
.tt-add:hover { opacity: 1; background: var(--surface-3); }
.tt-add svg { width: 16px; height: 16px; }

.tt-grid { display: none; overflow-x: auto; }
.tt { width: 100%; border-collapse: separate; border-spacing: 0; table-layout: fixed; min-width: 640px; }
.tt th, .tt td { border-bottom: 1px solid var(--border); border-right: 1px solid var(--border); padding: 8px; vertical-align: top; }
.tt thead th { background: var(--surface-2); font-size: .9rem; padding: 10px 8px; position: sticky; top: 0; }
.tt thead th.today { color: var(--accent-text); background: var(--accent-bg); }
.tt tr > :first-child { width: 84px; border-left: 1px solid var(--border); }
.tt thead tr > * { border-top: 1px solid var(--border); }
.tt thead tr > :first-child { border-top-left-radius: 12px; }
.tt thead tr > :last-child { border-top-right-radius: 12px; }
.tt td { background: var(--surface); }
.tt-hour { font-size: .82rem; color: var(--text-soft); font-weight: 600; white-space: nowrap; }

.tt-day .tt-row { display: grid; grid-template-columns: 74px 1fr; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.tt-day .tt-hour { padding-top: 8px; }
.tt-cells { display: grid; gap: 6px; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); align-items: start; }
.tt-cells .tt-class { margin: 0; }
@media (min-width: 900px) { .tt-grid { display: block; } .tt-day { display: none; } }

.member-list { list-style: none; padding: 0; margin: 8px 0 12px; max-height: 260px; overflow-y: auto; }
.member-list li { display: flex; justify-content: space-between; align-items: center; padding: 6px 0; border-bottom: 1px solid var(--border); }

.month-nav { display: flex; align-items: center; gap: 4px; }
.month-nav strong { min-width: 110px; text-align: center; font-variant-numeric: tabular-nums; }
.bill { padding: 10px 10px 10px 14px; gap: 8px; }
.bill-main { border: 0; background: transparent; text-align: left; cursor: pointer; padding: 4px 0; }
.pay-toggle {
  min-width: 64px; min-height: 40px; border-radius: 10px; border: 1px solid transparent; cursor: pointer; font-weight: 700; font-size: .9rem;
}
.sms-pick { border: 1px solid var(--border); border-radius: 14px; padding: 12px; }
.sms-pick + .sms-pick { margin-top: 10px; }
.sms-pick.recommend { border-color: color-mix(in srgb, var(--focus) 55%, var(--border)); background: var(--surface-2); }
.sms-preview {
  white-space: pre-wrap; font-family: var(--font-body); font-size: .85rem; line-height: 1.6; color: var(--text-soft);
  max-height: 170px; overflow-y: auto; margin: 8px 0 10px; padding: 10px; background: var(--surface); border-radius: 10px; border: 1px solid var(--border);
}
.pay-toggle.paid { background: var(--accent-bg); color: var(--accent-text); }
.pay-toggle.unpaid { background: var(--warn-bg); color: var(--warn-text); }

/* ---------- 시간표 (1시간 칸) ---------- */
.tt-cell { --tt: #2f8a5f; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.tt-cell.few { --tt: #c58a00; }
.tt-cell.full { --tt: #b4452f; }
.tt-cell.spare { --tt: #7b4bb3; }
.tt-cell.over { --tt: #8a1f12; }
.dot.spare { --tt: #7b4bb3; }
.tt-cap {
  display: flex; align-items: baseline; gap: 4px; width: 100%; padding: 5px 8px; border-radius: 8px; cursor: pointer;
  border: 0; border-left: 4px solid var(--tt); background: color-mix(in srgb, var(--tt) 12%, var(--surface));
  font-size: .82rem; color: var(--text-soft); font-variant-numeric: tabular-nums; text-align: left;
}
.tt-cap strong { font-size: 1rem; color: var(--text); }
.tt-cap span { margin-left: auto; font-weight: 700; color: var(--tt); font-size: .76rem; white-space: nowrap; }
.tt-names { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.tt-name {
  width: 100%; display: flex; justify-content: space-between; align-items: baseline; gap: 4px;
  padding: 3px 6px; border: 0; border-radius: 6px; background: transparent; cursor: pointer; text-align: left; font-size: .88rem;
}
.tt-name:hover { background: var(--surface-3); }
.tt-name span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 600; }
.tt-name em { font-style: normal; font-size: .72rem; color: var(--muted); white-space: nowrap; }
.tt-name.cont span { font-weight: 400; color: var(--muted); }
.tt-cell .tt-add { min-height: 26px; }
.req-card + .req-card { margin-top: 12px; }
.req-list { list-style: none; margin: 10px 0 0; padding: 0; }
.req-list li { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-top: 1px dashed var(--border); flex-wrap: wrap; }
.req-main { flex: 1; min-width: 180px; display: flex; flex-direction: column; gap: 2px; border: 0; background: transparent; text-align: left; cursor: pointer; padding: 2px 0; }
.tt-day .tt-row { grid-template-columns: 64px 1fr; }

/* ---------- 3단계: 출결 · 리포트 · 학부모 게시판 ---------- */
.hidden { display: none !important; }
.warn-text { color: var(--danger); }
.date-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.date-pick { position: relative; padding: 6px 12px; border-radius: 10px; cursor: pointer; }
.date-pick:hover { background: var(--surface-3); }
.date-pick input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }

.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; flex: none; background: var(--surface); }
.seg button { border: 0; background: transparent; padding: 0 14px; min-height: 42px; cursor: pointer; font-weight: 600; color: var(--muted); font-size: .92rem; }
.seg button + button { border-left: 1px solid var(--border); }
.seg button.on { background: var(--surface-3); color: var(--text); }
.seg button.on.present, .seg button.on.done { background: var(--accent-bg); color: var(--accent-text); }
.seg button.on.absent, .seg button.on.missed { background: var(--danger-bg); color: var(--danger); }
.seg button.on.partial { background: var(--warn-bg); color: var(--warn-text); }
.seg-wide { display: flex; width: 100%; }
.seg-wide button { flex: 1; padding: 0 6px; }
.att-row { align-items: flex-start; }
.att-row .seg { margin-top: 2px; }
.att-reason { margin-top: 8px; min-height: 40px; font-size: 15px; }

.progress-line .bar { height: 8px; border-radius: 99px; background: var(--surface-3); overflow: hidden; margin-top: 6px; }
.progress-line .bar span { display: block; height: 100%; background: var(--brand-green); border-radius: 99px; transition: width .3s; }
:root[data-theme="dark"] .progress-line .bar span { background: var(--brand-cream); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .progress-line .bar span { background: var(--brand-cream); } }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips .chip { font-size: .88rem; padding: 6px 12px; }
.helper .field + .field { margin-top: 14px; }
.hw-row { display: grid; grid-template-columns: 1.3fr 1fr 40px; gap: 6px; margin-bottom: 6px; align-items: center; }
.hw-row .input { min-height: 44px; }
.sticky-actions {
  position: sticky; bottom: 0; z-index: 5; display: flex; gap: 8px;
  padding: 12px 0 max(12px, env(safe-area-inset-bottom)); background: linear-gradient(transparent, var(--bg) 30%);
}

.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; padding: 12px; }
.cal-h { text-align: center; font-size: .78rem; color: var(--muted); padding-bottom: 4px; }
.cal-h:first-child { color: var(--danger); }
.cal-d { aspect-ratio: 1 / 1.05; border-radius: 10px; display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: .88rem; gap: 1px; }
.cal-d em { font-style: normal; font-size: .68rem; font-weight: 700; }
.cal-d.present { background: var(--accent-bg); color: var(--accent-text); }
.cal-d.absent { background: var(--danger-bg); color: var(--danger); }
.cal-d.today { outline: 2px solid var(--focus); outline-offset: -2px; }

.hw-list { list-style: none; margin: 0; padding: 0; }
.hw-list li { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--border); }
.hw-list li:last-child { border-bottom: 0; }
.hw-list li span { color: var(--text-soft); }
.hw-list li.none strong { color: var(--muted); font-weight: 500; }
.card.latest { border-color: color-mix(in srgb, var(--focus) 45%, var(--border)); }

.report-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.report-progress { font-size: .92rem; color: var(--text-soft); }
.report-body { line-height: 1.75; margin: 0; }
.report-extra { margin-top: 12px; padding: 10px 12px; background: var(--surface-2); border-radius: 10px; font-size: .93rem; line-height: 1.7; }
.report-extra::before { content: "+) "; font-weight: 700; color: var(--accent-text); }
.notice-card summary { gap: 10px; }
.notice-body { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); line-height: 1.75; }
.card + details.card, details.card + details.card { margin-top: 12px; }

.prose h2 { margin-top: 1.5rem; font-size: 1.15rem; }
.prose ul { padding-left: 1.2rem; margin: 0 0 .75rem; }
.prose table { width: 100%; border-collapse: collapse; font-size: .9rem; margin-bottom: .75rem; }
.prose th, .prose td { border: 1px solid var(--border); padding: 8px; text-align: left; vertical-align: top; }

/* ---------- 테스트 결과 · 그래프 ---------- */
:root { --chart-1: #0d543b; --chart-avg: #b9c1bb; --chart-low: #c0573f; --chart-high: #1f7a55; }
:root[data-theme="dark"] { --chart-1: #8fd0ad; --chart-avg: #4f5d55; --chart-low: #f08f78; --chart-high: #b4e6c8; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --chart-1: #8fd0ad; --chart-avg: #4f5d55; --chart-low: #f08f78; --chart-high: #b4e6c8; } }
.hbars { display: grid; gap: 10px; }
.hbar-row { display: grid; grid-template-columns: minmax(80px, 36%) 1fr auto; gap: 10px; align-items: center; font-size: .88rem; padding: 2px 0; border-radius: 8px; }
.hbar-row:hover { background: var(--surface-2); }
.hbar-label { min-width: 0; display: flex; flex-direction: column; }
.hbar-label span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }
.hbar-label small { color: var(--muted); font-size: .76rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hbar-track { height: 12px; background: var(--surface-3); border-radius: 4px; overflow: hidden; display: flex; flex-direction: column; gap: 2px; }
.hbar-track.dual { height: 18px; background: transparent; }
.hbar-fill { display: block; flex: 1; background: var(--chart-1); border-radius: 0 4px 4px 0; min-width: 2px; }
.hbar-track.dual .hbar-fill { flex: none; height: 8px; }
.hbar-fill.avg { background: var(--chart-avg); }
.hbar-fill.low { background: var(--chart-low); }
.hbar-fill.high { background: var(--chart-high); }
.hbar-value { font-variant-numeric: tabular-nums; white-space: nowrap; text-align: right; color: var(--text-soft); }
.legend { display: flex; gap: 14px; font-size: .82rem; color: var(--text-soft); margin-bottom: 10px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend .sw { width: 14px; height: 8px; border-radius: 2px; display: inline-block; }
.legend .sw.me { background: var(--chart-1); }
.legend .sw.avg { background: var(--chart-avg); }
.rank { margin: 0; padding-left: 1.3rem; display: grid; gap: 6px; font-size: .92rem; }
.rank li span { margin-right: 8px; }
.rank li strong { font-variant-numeric: tabular-nums; }
.score-table { border-collapse: collapse; font-size: .85rem; min-width: 100%; }
.score-table th, .score-table td { border: 1px solid var(--border); padding: 6px 8px; text-align: center; white-space: nowrap; font-variant-numeric: tabular-nums; }
.score-table thead th { background: var(--surface-2); font-weight: 600; }
.score-table tbody th, .score-table tfoot th { text-align: left; }
.score-table tfoot { background: var(--surface-2); }
.unit-row { display: grid; grid-template-columns: 1fr 64px auto 64px auto 40px; gap: 6px; align-items: center; margin-bottom: 6px; }
.unit-row .input { min-height: 44px; }
.res-list { display: grid; gap: 8px; }
.res-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; align-items: center; padding: 10px 12px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.res-name { grid-column: 1 / -1; display: flex; align-items: baseline; gap: 6px; }
.res-score { margin-left: auto; font-weight: 700; color: var(--accent-text); font-variant-numeric: tabular-nums; }
.res-row [data-manual] { max-width: none; }
.res-photo { grid-column: 1 / -1; justify-self: start; cursor: pointer; }
.res-photo.disabled { opacity: .6; pointer-events: none; }
@media (min-width: 640px) {
  .res-row { grid-template-columns: 160px 1fr 96px auto; }
  .res-name { grid-column: auto; flex-direction: column; gap: 0; }
  .res-score { margin-left: 0; }
  .res-photo { grid-column: auto; }
}
.thumbs { grid-column: 1 / -1; display: flex; gap: 6px; flex-wrap: wrap; }
.thumb { width: 56px; height: 72px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface-3) center / cover no-repeat; cursor: pointer; padding: 0; }
.no-stack > .card { margin-top: 0; }
.rank { list-style: none; padding-left: 0; }
.hbar-row { grid-template-columns: minmax(80px, 36%) 1fr 4.6em; }
.hbars.wide-value .hbar-row { grid-template-columns: minmax(70px, 30%) 1fr 6.4em; }
.hbar-tag { font-weight: 700; font-size: .72rem; }
.hbar-tag.off { color: var(--danger); }
.hbar-tag.ok { color: var(--accent-text); }
/* 틀린 번호 누르기 */
.res-row, .res-row:is(*) { display: flex; flex-direction: column; align-items: stretch; gap: 10px; }
.res-row .res-name { flex-direction: row; gap: 6px; align-items: baseline; }
.res-row .res-score { margin-left: auto; }
.res-row.absent .res-score { color: var(--muted); font-weight: 600; }
.qgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(42px, 1fr)); gap: 6px; }
.qbtn { min-height: 42px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); color: var(--text-soft);
  font-weight: 600; font-size: .95rem; font-variant-numeric: tabular-nums; cursor: pointer; touch-action: manipulation; }
.qbtn:hover { background: var(--surface-3); }
.qbtn.wrong { background: var(--danger-bg); border-color: var(--danger); color: var(--danger); }
.qbtn.wrong::after { content: "✕"; font-size: .7rem; margin-left: 2px; }
.qbtn.unit-start { box-shadow: -4px 0 0 -1px var(--accent-text); }
.res-tools { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.res-tools [data-manual] { width: 110px; min-height: 38px; }
.res-tools .res-photo { margin-left: auto; }
.sticky-actions #dirty { align-self: center; white-space: nowrap; }
.res-date { display: flex; align-items: center; gap: 10px; }
.res-date .input { width: auto; min-height: 38px; flex: 0 1 180px; }

/* ---------- 시간표 인쇄 (A4 가로) ---------- */
.print-sheet { display: none; }
@media print {
  @page { size: A4 landscape; margin: 10mm; }
  body.printing { background: #fff !important; }
  body.printing > *:not(.print-sheet) { display: none !important; }
  body.printing .print-sheet { display: block; color: #000; font-family: var(--font-body); }
  .ps-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 4mm; }
  .ps-head strong { font-family: var(--font-title); font-size: 16pt; color: #0d543b; }
  .ps-head span { font-size: 9pt; color: #555; }
  .ps-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
  .ps-table th, .ps-table td { border: 1px solid #888; vertical-align: top; padding: 1.5mm 2mm; }
  .ps-table thead th { background: #fffbc6 !important; font-size: 11pt; text-align: center; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .ps-table tbody th { width: 20mm; font-size: 9.5pt; white-space: nowrap; text-align: center; vertical-align: middle; background: #f6f1d6 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .ps-table td { height: 34mm; }
  .ps-count { font-size: 8pt; color: #555; text-align: right; }
  .ps-table ul { list-style: none; margin: 0; padding: 0; font-size: 9.5pt; line-height: 1.45; }
  .ps-table li small { font-size: 7.5pt; color: #666; }
  .ps-table li.cont { color: #888; }
  .ps-foot { font-size: 8pt; color: #666; margin-top: 2mm; }
}

/* ---------- 오답노트 · 다시 풀기 ---------- */
.note-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; }
.note-tile { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; padding: 0; border: 0; background: none; color: var(--text); text-align: left; cursor: pointer; font: inherit; }
.note-tile .badge { font-size: .7rem; }
.thumb.lg { width: 100%; height: auto; aspect-ratio: 3 / 4; }
.note-memo { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%; }
.note-month + .note-month { margin-top: 12px; }
#nupload.disabled { opacity: .6; pointer-events: none; }
dialog.wide-dialog { width: min(760px, calc(100vw - 16px)); padding: 16px; }
.crop-stage { position: relative; touch-action: none; user-select: none; -webkit-user-select: none; cursor: crosshair; background: var(--surface-3); border-radius: 10px; overflow: hidden; text-align: center; }
.crop-stage img { display: inline-block; max-width: 100%; max-height: 62vh; vertical-align: top; pointer-events: none; }
.crop-box { position: absolute; border: 2px solid #ffd43b; outline: 1px solid rgba(0, 0, 0, .6); background: rgba(255, 212, 59, .18); pointer-events: none; }
.crop-box.drawing { border-style: dashed; border-color: #fff; background: rgba(255, 255, 255, .15); }
.crop-num { position: absolute; top: 0; left: 0; background: #ffd43b; color: #111; font-weight: 700; font-size: .85rem; padding: 0 6px; border-radius: 0 0 6px 0; line-height: 1.5; }
.crop-list { display: grid; gap: 6px; }
.crop-row { display: grid; grid-template-columns: 24px 1fr 1fr 36px; gap: 6px; align-items: center; }
.crop-row .input { min-height: 40px; }
@media (max-width: 560px) { .crop-row { grid-template-columns: 24px 1fr 36px; } .crop-row [data-f="memo"] { grid-column: 2; } }
.prob-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.prob-card { display: flex; flex-direction: column; gap: 6px; padding: 10px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); }
.prob-card.solved { opacity: .75; }
.prob-pick { display: flex; align-items: center; gap: 6px; font-size: .85rem; color: var(--text-soft); cursor: pointer; }
.prob-img { padding: 0; border: 1px solid var(--border); border-radius: 8px; background: #fff; cursor: zoom-in; min-height: 60px; overflow: hidden; }
.prob-img img { display: block; width: 100%; max-height: 220px; object-fit: contain; }
.prob-meta { display: flex; flex-wrap: wrap; gap: 4px; }
.prob-actions { display: flex; gap: 6px; align-items: center; margin-top: auto; }
.prob-actions .btn { flex: 1; }

/* 다시 풀기 학습지 = 공감수학 오답노트 양식 (A4 세로, 한 장에 2문제)
   여백을 0으로 두어 브라우저가 날짜·주소를 찍지 않게 하고, 여백은 종이 안쪽에서 줍니다. */
@media print {
  @page worksheet { size: A4 portrait; margin: 0; }
  body.printing .ws-sheet { page: worksheet; font-family: var(--font-body); color: #222; }
  .ws-sheet * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .wn-page { width: 210mm; height: 296mm; box-sizing: border-box; padding: 11mm 12mm 10mm; display: flex; flex-direction: column; gap: 3.2mm; break-after: page; page-break-after: always; overflow: hidden; }
  .wn-page:last-child { break-after: auto; page-break-after: auto; }
  .wn-head { display: flex; align-items: center; gap: 5mm; padding-bottom: 2.6mm; border-bottom: 0.6mm solid #c47a3a; position: relative; }
  .wn-logo { width: 19mm; height: 19mm; object-fit: contain; }
  .wn-head h1 { font-family: var(--font-title); font-size: 24pt; letter-spacing: 0.03em; margin: 0; color: #111; line-height: 1.1; font-weight: normal; }
  .wn-head p { margin: 1mm 0 0; font-size: 8.5pt; color: #333; }
  .wn-head i { font-style: normal; margin: 0 2.5mm; color: #555; }
  .wn-pageno { position: absolute; right: 0; bottom: 2.6mm; font-size: 8pt; color: #777; }
  .wn-row { display: grid; border: 0.25mm solid #b9c7c0; }
  .wn-th { font-weight: 700; font-size: 8.5pt; display: flex; align-items: center; justify-content: center; padding: 1.8mm 2mm; border-right: 0.25mm solid #b9c7c0; }
  .wn-td { font-size: 9.5pt; padding: 1.8mm 3mm; display: flex; align-items: center; min-width: 0; }
  .wn-td + .wn-th { border-left: 0.25mm solid #b9c7c0; }
  .wn-who { grid-template-columns: 15mm 1fr 18mm 1fr 15mm 30mm; min-height: 9mm; }
  .wn-prob { flex: 1; display: flex; flex-direction: column; min-height: 0; margin-top: 1.5mm; border-top: 0.6mm solid #2f5e4c; }
  .wn-prob > * { margin-top: -0.25mm; }
  .wn-ptitle { display: flex; align-items: baseline; justify-content: space-between; padding: 1.4mm 2mm; border: 0.25mm solid #b9c7c0; border-top: 0; font-size: 9.5pt; }
  .wn-ptitle span { font-size: 8pt; color: #b0552e; font-weight: 600; }
  .wn-meta { grid-template-columns: 26mm 1fr 26mm 1fr; min-height: 8mm; }
  .wn-body { flex: 1; min-height: 0; display: grid; grid-template-columns: 1fr 1fr; border: 0.25mm solid #b9c7c0; }
  .wn-cell { display: flex; flex-direction: column; min-height: 0; padding: 1.6mm 2mm; }
  .wn-cell + .wn-cell { border-left: 0.25mm solid #b9c7c0; }
  .wn-label { font-size: 8pt; color: #333; margin-bottom: 1.5mm; }
  .wn-label b { font-size: 8.5pt; color: #111; margin-right: 1mm; }
  .wn-img { flex: 1; min-height: 0; display: flex; align-items: flex-start; justify-content: center; }
  .wn-img img { max-width: 100%; max-height: 100%; object-fit: contain; filter: grayscale(1) contrast(1.12); }
  .wn-reason, .wn-concept { grid-template-columns: 26mm 1fr; }
  .wn-reason { min-height: 9mm; }
  .wn-reason .wn-td { gap: 3.2mm; flex-wrap: wrap; font-size: 8.5pt; }
  .wn-concept { min-height: 13mm; }
  /* 두 달 오답노트 사진 모음 (한 장에 사진 2장) */
  .np-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 4mm; padding-bottom: 2.4mm; border-bottom: 0.6mm solid #c47a3a; }
  .np-head strong { font-family: var(--font-title); font-size: 18pt; color: #111; font-weight: normal; margin-right: 3mm; }
  .np-head span { font-size: 8.5pt; color: #444; }
  .np-who { font-size: 10.5pt; }
  .np-who small { color: #777; margin-left: 2mm; font-size: 8pt; }
  .np-item { flex: 1; min-height: 0; margin: 0; display: flex; flex-direction: column; border: 0.25mm solid #b9c7c0; padding: 2mm; }
  .np-item figcaption { font-size: 9pt; font-weight: 600; margin-bottom: 1.5mm; color: #2f5e4c; }
  .np-img { flex: 1; min-height: 0; display: flex; align-items: center; justify-content: center; }
  .np-img img { max-width: 100%; max-height: 100%; object-fit: contain; }
}

/* ---------- 휴원 달력 (공지사항) ---------- */
.ccal-wrap { display: grid; gap: 10px; }
.ccal-title { font-family: var(--font-title); font-size: 1.15rem; }
.ccal-title span { font-family: var(--font-body); font-size: .8rem; color: var(--muted); margin-left: 6px; }
.ccal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.ccal-h { text-align: center; font-size: .78rem; color: var(--muted); padding-bottom: 2px; }
.ccal-h.sun, .ccal-d.sun .n { color: var(--danger); }
.ccal-h.sat, .ccal-d.sat .n { color: #2f6fb3; }
.ccal-d { min-height: 58px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); padding: 4px 2px;
  display: flex; flex-direction: column; align-items: center; gap: 1px; font: inherit; color: var(--text); overflow: hidden; }
button.ccal-d { cursor: pointer; }
button.ccal-d:hover { border-color: var(--accent-text); }
.ccal-d .n { font-size: .88rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.ccal-d em { font-style: normal; font-size: .72rem; font-weight: 800; letter-spacing: .02em; }
.ccal-d small { font-size: .62rem; line-height: 1.15; text-align: center; color: inherit; opacity: .9; word-break: keep-all; max-width: 100%; }
.ccal-d.off { background: var(--danger-bg); border-color: color-mix(in srgb, var(--danger) 45%, transparent); color: var(--danger); }
.ccal-d.off .n { color: var(--danger); }
.ccal-d.off em { background: var(--danger); color: #fff; border-radius: 6px; padding: 0 6px; }
.ccal-d.open { background: var(--accent-bg); color: var(--accent-text); }
.ccal-d.today { outline: 2px solid var(--focus); outline-offset: -2px; }
.ccal-sum { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: .88rem; padding: 10px 12px; border-radius: 10px; background: var(--surface-2); }
.ccal-sum strong { color: var(--danger); margin-right: 2px; }
.ccal-sum b { color: var(--danger); font-variant-numeric: tabular-nums; }
@media (max-width: 480px) { .ccal-d { min-height: 50px; } .ccal-d small { display: none; } }
.notice-imgs { display: grid; gap: 8px; margin-top: 12px; }
.notice-imgs img { width: 100%; border-radius: 10px; border: 1px solid var(--border); background: #fff; }
.month-notice + .month-notice { margin-top: 14px; }
.month-notice .notice-item { border-top: 1px solid var(--border); margin-top: 14px; padding-top: 14px; }
.month-notice .notice-item h4 { margin: 0 0 6px; }
.thumb-wrap { position: relative; display: inline-block; }
.thumb-x { position: absolute; top: -6px; right: -6px; width: 22px; height: 22px; border-radius: 50%; border: 0; background: var(--danger); color: #fff; font-size: .7rem; cursor: pointer; line-height: 22px; padding: 0; }
.sib-line { padding: 3px 0; border-top: 1px dashed color-mix(in srgb, var(--border) 80%, transparent); }
.ok-text { color: var(--accent-text); font-weight: 700; }
:root { --ev: #2f6fb3; --ev-bg: #e6f0fb; }
:root[data-theme="dark"] { --ev: #8fb8ea; --ev-bg: #1e2f45; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --ev: #8fb8ea; --ev-bg: #1e2f45; } }
.ccal-legend { display: flex; gap: 14px; font-size: .78rem; color: var(--text-soft); margin-top: -4px; }
.ccal-legend span { display: inline-flex; align-items: center; gap: 5px; }
.ccal-legend .sw { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.ccal-legend .sw.off { background: var(--danger); }
.ccal-legend .sw.ev { background: var(--ev); }
.ccal-d.ev { background: var(--ev-bg); border-color: color-mix(in srgb, var(--ev) 45%, transparent); }
.ev-chip { font-size: .62rem; line-height: 1.2; font-weight: 700; color: #fff; background: var(--ev); border-radius: 5px; padding: 1px 4px; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ev-sum strong, .ev-sum b { color: var(--ev); }
@media (max-width: 480px) { .ev-chip { font-size: .56rem; padding: 0 2px; } }
.day-sec { border: 1px solid var(--border); border-radius: 12px; padding: 12px; margin-top: 10px; }
.day-sec h4 { margin: 0 0 8px; }
.day-sec.ev { border-color: color-mix(in srgb, var(--ev) 40%, var(--border)); background: color-mix(in srgb, var(--ev-bg) 50%, transparent); }
.day-sec.ev h4 { color: var(--ev); }
.ev-row { padding: 4px 0; }
.ev-row .ev-chip { font-size: .85rem; padding: 2px 8px; }
.ev-chip { white-space: normal; word-break: keep-all; text-align: center; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.ev-row .ev-chip { display: inline-block; }
.pdf-row { display: flex; align-items: center; gap: 8px; width: 100%; padding: 10px 12px; margin-top: 6px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); color: var(--text); font: inherit; text-align: left; }
.pdf-row svg { width: 18px; height: 18px; color: var(--danger); flex: none; }
.pdf-row.new { border-style: dashed; }
button.pdf-open { cursor: pointer; }
button.pdf-open:hover { border-color: var(--accent-text); }
.notice-files { margin-top: 10px; }
.pdf-view { margin-top: 12px; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--surface); }
.pdf-head { display: flex; align-items: center; gap: 8px; padding: 6px 10px; border-bottom: 1px solid var(--border); font-size: .9rem; }
.pdf-head svg { width: 18px; height: 18px; color: var(--danger); flex: none; }
.pdf-pages { display: grid; gap: 8px; padding: 8px; background: var(--surface-3); }
.pdf-page { width: 100%; height: auto; background: #fff; border-radius: 6px; box-shadow: 0 1px 3px rgba(0,0,0,.12); }
.month-notice .notice-item:first-child { border-top: 0; margin-top: 0; padding-top: 0; }
.pdf-view.bare { border: 0; background: none; }
.pdf-view.bare .pdf-pages { padding: 0; background: none; }
.order-btn { font-size: .75rem; width: 34px; height: 34px; } .order-btn:disabled { opacity: .3; cursor: default; }
/* 안내사항은 하나씩 따로 카드로, 사이에 여유 공간 */
.notice-stack { display: grid; gap: 18px; margin-top: 18px; }
.notice-stack .notice-item { margin: 0; padding: 18px 20px; border-top: 4px solid var(--accent-text); }
.notice-stack .notice-item h4 { font-size: 1.05rem; margin: 0 0 10px; }
.install-card { margin-top: 22px; border-color: color-mix(in srgb, var(--accent-text) 35%, var(--border)); }
.install-steps { margin: 10px 0 0; padding-left: 1.2rem; font-size: .9rem; line-height: 1.7; }
/* 리포트 보호 (워터마크 · 복사/저장/인쇄 막기) */
main.protected { position: relative; -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
main.protected img, main.protected canvas { -webkit-user-drag: none; pointer-events: none; }
.watermark { position: absolute; inset: 0; pointer-events: none; z-index: 5; background-repeat: repeat; }
.print-block-msg { display: none; }
@media print {
  main.protected > *:not(.print-block-msg) { display: none !important; }
  main.protected .print-block-msg { display: block !important; font-size: 14pt; text-align: center; margin-top: 40mm; }
}
.tile { position: relative; } .new-dot { position: absolute; top: 10px; right: 10px; min-width: 20px; height: 20px; padding: 0 5px; border-radius: 10px; background: var(--danger); color: #fff; font-size: .7rem; font-weight: 800; line-height: 20px; text-align: center; box-shadow: 0 0 0 2px var(--surface); }
.report.wm { position: relative; overflow: hidden; }
.report.wm::after { content: attr(data-wm); position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%) rotate(-18deg);
  font-size: clamp(1rem, 4.5vw, 1.6rem); font-weight: 800; letter-spacing: .05em; white-space: nowrap; color: var(--accent-text); opacity: .09; pointer-events: none; }
.report.wm::after { transform: translate(-50%, -50%); }
/* ---------- 월간 학습 보고서 ---------- */
.mr { line-height: 1.7; }
.mr-head { padding-bottom: 12px; border-bottom: 2px solid var(--accent-text); margin-bottom: 4px; }
.mr-kicker { font-size: .8rem; color: var(--muted); }
.mr-title { margin: 2px 0 0; font-size: 1.25rem; }
.mr-sub { font-size: .8rem; color: var(--muted); }
.mr-sec { padding: 14px 0 4px; border-bottom: 1px dashed var(--border); }
.mr-sec:last-of-type { border-bottom: 0; }
.mr-sec h4 { margin: 0 0 6px; font-size: .98rem; color: var(--accent-text); }
.mr-sec p { margin: 0 0 8px; }
.mr-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(84px, 1fr)); gap: 10px; margin: 6px 0 12px; }
.mr-metric { text-align: center; }
.mr-ring { --c: var(--chart-1, #0d543b); width: 76px; height: 76px; margin: 0 auto 4px; border-radius: 50%; display: grid; place-items: center;
  background: conic-gradient(var(--c) calc(var(--p) * 1%), var(--surface-3) 0); }
.mr-ring.warn { --c: #ba7517; }
.mr-ring.none { background: var(--surface-3); }
.mr-ring span { width: 58px; height: 58px; border-radius: 50%; background: var(--surface); display: grid; place-items: center; font-weight: 800; font-size: .95rem; font-variant-numeric: tabular-nums; }
.mr-lbl { font-size: .78rem; color: var(--text-soft); line-height: 1.35; }
.mr-lbl small { color: var(--muted); }
.mr-bar-row { display: flex; justify-content: space-between; gap: 8px; font-size: .88rem; margin-top: 8px; }
.mr-bar { position: relative; height: 8px; border-radius: 4px; background: var(--surface-3); margin-top: 4px; }
.mr-bar i { display: block; height: 100%; border-radius: 4px; background: var(--chart-1, #0d543b); }
.mr-bar b { position: absolute; top: -3px; width: 2px; height: 14px; background: var(--text-soft); }
.mr-list { margin: 0 0 8px; padding-left: 1.1rem; }
.mr-list li { margin: 2px 0; }
.mr-list.good li::marker { color: var(--accent-text); }
.mr-list.warn li::marker { color: #ba7517; }
.mr-closing { margin-top: 14px; padding: 12px 14px; border-radius: 10px; background: var(--surface-2); }
.mr-closing span { display: block; text-align: right; font-size: .82rem; color: var(--muted); }
.mr-metrics { grid-template-columns: repeat(auto-fit, minmax(66px, 1fr)); gap: 6px; }
@media (max-width: 480px) { .mr-ring { width: 62px; height: 62px; } .mr-ring span { width: 47px; height: 47px; font-size: .82rem; } .mr-lbl { font-size: .7rem; } }
/* 다음 교재 안내: 학부모가 놓치지 않게 */
.next-book-note { margin: 0 0 12px; padding: 12px 14px; border: 2px solid var(--danger); border-radius: 12px; background: var(--danger-bg); }
.next-book-note .nb-tag { display: inline-block; font-size: .78rem; font-weight: 800; color: #fff; background: var(--danger); border-radius: 6px; padding: 1px 8px; vertical-align: 2px; }
.next-book-note .nb-name { font-size: 1.15rem; font-weight: 800; color: var(--danger); }
.next-book-note .nb-ask { margin: 4px 0 0; font-size: .88rem; font-weight: 600; color: var(--danger); }
.next-book-note .nb-reason { margin: 8px 0 0; padding-top: 8px; border-top: 1px dashed color-mix(in srgb, var(--danger) 40%, transparent); font-size: .9rem; color: var(--text); line-height: 1.6; }
.next-book-note .nb-reason b { color: var(--danger); margin-right: 4px; }
.next-book-edit { border: 2px solid color-mix(in srgb, var(--danger) 35%, var(--border)); }
.link-btn { background: none; border: 0; padding: 4px; color: var(--muted); text-decoration: underline; font: inherit; cursor: pointer; }
.report-plus { margin-top: 10px; }
.report-important { margin: 12px 0 0; color: var(--ev); font-weight: 800; line-height: 1.7; }
.report-important::before { content: "✔ 꼭 확인해 주세요"; display: block; font-size: .8rem; font-weight: 700; margin-bottom: 2px; }
.next-book-note { margin: 14px 0 0; }
.important-field textarea { border-color: color-mix(in srgb, var(--ev) 45%, var(--border)); }
.report-important { font-weight: 400; }
/* 휴대폰 PDF 만들기: 화면 밖에 양식을 그려서 사진으로 찍음 */
.print-sheet.pdf-render { display: block; position: fixed; left: -10000px; top: 0; width: 794px; z-index: -1; }
.pdf-wait { position: fixed; inset: 0; z-index: 9999; display: grid; place-items: center; background: rgba(0,0,0,.35); color: #fff; font-weight: 700; font-size: 1.05rem; }
/* 다시 풀기 학습지: 오답노트 양식과 같은 A4 위치·크기 (px 기준, 794×1123 = A4) · 인쇄와 휴대폰 PDF 공통 */
@media all {
  .rw-page { position: relative; width: 794px; height: 1123px; overflow: hidden; break-after: page; page-break-after: always; background: #fff; color: #222; font-family: var(--font-body); }
  .rw-page:last-child { break-after: auto; page-break-after: auto; }
  .rw-ln { position: absolute; display: block; }
  .rw-t { position: absolute; white-space: nowrap; line-height: 1.2; }
  .rw-logo { position: absolute; left: 23px; top: 23px; width: 45px; height: 45px; }
  .rw-title { font-family: var(--font-title); font-size: 22.7px; color: #111; }
  .rw-sub { font-size: 10.7px; color: #333; white-space: pre; }
  .rw-pageno { font-size: 10px; color: #777; }
  .rw-lb { font-size: 11.3px; font-weight: 700; color: #222; }
  .rw-val { font-size: 12px; color: #222; }
  .rw-ptitle { font-size: 12.7px; font-weight: 700; }
  .rw-again { font-size: 10.7px; font-weight: 600; color: #b0552e; }
  .rw-cap { font-size: 9.3px; color: #333; }
  .rw-cap b { font-size: 12px; color: #111; margin-right: 3px; }
  .rw-reasons { font-size: 10.7px; display: flex; gap: 14px; }
  .rw-img { position: absolute; display: flex; align-items: flex-start; justify-content: flex-start; }
  .rw-img img { max-width: 100%; max-height: 100%; object-fit: contain; filter: grayscale(1) contrast(1.12); }
}
/* 다시 풀기 학습지는 전체를 도브메이요 글꼴로 (오답노트 양식과 같게) */
@media all {
  .rw-page, .rw-page .rw-t, .rw-page .rw-t * { font-family: "Dovemayo", var(--font-body) !important; }
}
@media all { .rw-qr { position: absolute; } .rw-qr svg { width: 100%; height: 100%; display: block; } }
.fp-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 4px 10px; max-height: 46vh; overflow: auto; padding: 8px; border: 1px solid var(--border); border-radius: 10px; } .fp-item { display: flex; gap: 6px; align-items: center; font-size: .9rem; cursor: pointer; }
/* 스캔본 올리기 */
#scanPick.disabled { opacity: .6; pointer-events: none; }
.scan-list { display: grid; gap: 14px; }
.scan-item.need { border-color: var(--danger); }
.scan-head { display: flex; gap: 12px; align-items: flex-start; }
.scan-thumb { width: 110px; border: 1px solid var(--border); border-radius: 6px; background: #fff; flex: none; }
.scan-cells { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; margin-top: 12px; }
.scan-cell { display: grid; gap: 6px; padding: 8px; border: 1px solid var(--border); border-radius: 10px; }
.scan-cell img { width: 100%; max-height: 220px; object-fit: contain; background: #fff; border-radius: 6px; border: 1px solid var(--border); }
.scan-cell.off img { opacity: .35; }
.scan-cell .input { min-height: 36px; }

/* ---------- 원생 엑셀 등록 ---------- */
.imp-map { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; }
.imp-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.imp-table { width: 100%; border-collapse: collapse; font-size: .86rem; min-width: 760px; }
.imp-table th, .imp-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.imp-table th { background: var(--surface-2); font-weight: 600; white-space: nowrap; }
.imp-table tr:last-child td { border-bottom: 0; }
.imp-table td:nth-child(n+2):nth-child(-n+7) { white-space: nowrap; }
.imp-table tr.imp-bad td { background: var(--danger-bg); }
.imp-table tr.imp-skip td { color: var(--muted); }
.imp-note { margin-top: 4px; color: var(--text-soft); max-width: 220px; }
.imp-bad .imp-note { color: var(--danger); }

/* ---------- 수강료 결제수단 ---------- */
.pay-sum { margin: 10px 2px 0; }
.badge.pay-method { font-weight: 500; }

/* ---------- 학부모 수강료: 계좌번호 복사 ---------- */
.acct-box { display: flex; align-items: center; gap: 10px; margin-top: 12px; padding: 12px 14px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border); }
.acct-no { font-size: 1.08rem; letter-spacing: .02em; font-variant-numeric: tabular-nums; word-break: break-all; }

/* ---------- 학부모 처음 화면: 수강료 납부 전(25일부터) 빨간 칸 ---------- */
.tile.tile-alert { background: var(--danger-bg); border-color: color-mix(in srgb, var(--danger) 55%, transparent); }
.tile.tile-alert .ic { background: var(--danger); color: #fff; }
.tile.tile-alert strong { color: var(--danger); }
.tile-alert-text { font-size: .8rem; font-weight: 700; color: var(--danger); }
.pay-late { margin-bottom: 12px; line-height: 1.6; }
.hello.hello-late { background: var(--danger-bg); border-color: color-mix(in srgb, var(--danger) 45%, transparent); }
/* 계좌번호 줄 아래 작은 복사 버튼 */
.acct-copy { display: inline-flex; align-items: center; gap: 5px; margin: 4px 0 8px 1.2em; padding: 4px 10px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface-2); color: var(--accent-text); font: inherit; font-size: .8rem; font-weight: 600; cursor: pointer; }
.acct-copy:hover { border-color: var(--accent-text); }
.acct-copy svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; }
.imp-target { margin-top: 6px; min-height: 32px; padding: 4px 8px; font-size: .8rem; max-width: 260px; }

/* ---------- 시간표: 남은 자리만 보기 · 예비 칸 ---------- */
.stat-btn { font: inherit; text-align: left; cursor: pointer; width: 100%; }
.stat-btn small { display: block; margin-top: 4px; font-size: .74rem; color: var(--muted); }
.stat-btn.on { outline: 3px solid #2b6fd6; outline-offset: 1px; }
.tt-free-big { display: none; }
.tt-focus-free .tt-cell { opacity: .25; transition: opacity .15s; }
.tt-focus-free .tt-cell.has-free { opacity: 1; background: color-mix(in srgb, #2b6fd6 14%, var(--surface)); box-shadow: 0 0 0 2px #2b6fd6; border-radius: 10px; padding: 4px; }
.tt-focus-free .tt-free-big { display: block; font-weight: 800; color: #2b6fd6; font-size: .95rem; padding: 0 4px; }
.tt-focus-full .tt-cell { opacity: .25; transition: opacity .15s; }
.tt-focus-full .tt-cell.full, .tt-focus-full .tt-cell.spare, .tt-focus-full .tt-cell.over { opacity: 1; }
.tt-cell.reserve { --tt: #9aa39e; }
.tt-cell.reserve .tt-cap { background: repeating-linear-gradient(135deg, var(--surface-3) 0 6px, var(--surface) 6px 12px); }
.tt-cell.reserve .tt-cap span { color: var(--text-soft); }
.tt-cell.reserve .tt-cap small { margin-left: auto; font-size: .72rem; color: var(--muted); }
.dot.reserve { --tt: #9aa39e; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .tt-focus-free .tt-free-big { color: #8fb6ff; } }
:root[data-theme="dark"] .tt-focus-free .tt-free-big { color: #8fb6ff; }
/* 정원 찬 칸 보기: 찬 칸을 빨간 테두리로 강조 (흐려지는 칸 = 아직 자리 있는 칸·예비 칸) */
.tt-focus-full .tt-cell.full, .tt-focus-full .tt-cell.spare, .tt-focus-full .tt-cell.over { background: color-mix(in srgb, #b4452f 10%, var(--surface)); box-shadow: 0 0 0 2px #b4452f; border-radius: 10px; padding: 4px; }
.stat-btn.warn.on { outline-color: #b4452f; }
.stat strong .stat-sub { display: inline; font-size: .95rem; font-weight: 600; color: var(--text-soft); }

/* ---------- daily report 작성: 지난 피드백 ---------- */
.past-fb-list { display: grid; gap: 6px; margin-top: 10px; max-height: 340px; overflow-y: auto; }
.past-fb-item { border: 1px solid var(--border); border-radius: 10px; padding: 8px 12px; background: var(--surface-2); }
.past-fb-item summary { cursor: pointer; display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.past-fb-body { white-space: pre-wrap; margin: 8px 0 0; line-height: 1.65; color: var(--text-soft); font-size: .9rem; }

/* ---------- daily report 댓글 ---------- */
.rc-attach { margin: -8px 0 18px; }
.rc-wrap { background: var(--surface); border: 1px solid var(--border); border-top: 0; border-radius: 0 0 14px 14px; padding: 10px 14px 12px; }
.card .rc-wrap { border: 1px solid var(--border); border-radius: 12px; margin-top: 8px; }
main.protected .rc-wrap input { -webkit-user-select: text; user-select: text; }
.rc-list { list-style: none; margin: 0 0 8px; padding: 0; display: grid; gap: 6px; }
.rc-list li { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; padding: 6px 10px; border-radius: 10px; background: var(--surface-2); font-size: .9rem; }
.rc-list li.admin { background: var(--accent-bg); }
.rc-list li b { font-size: .8rem; color: var(--text-soft); white-space: nowrap; }
.rc-list li.emoji .rc-body { font-size: 1.15rem; line-height: 1; }
.rc-body { flex: 1; min-width: 0; word-break: break-word; white-space: pre-wrap; }
.rc-list time { font-size: .72rem; color: var(--muted); white-space: nowrap; }
.rc-del { border: 0; background: transparent; color: var(--muted); cursor: pointer; font-size: .8rem; padding: 0 2px; }
.rc-react { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.rc-react button { font-size: 1.15rem; line-height: 1; padding: 6px 9px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); cursor: pointer; }
.rc-react button.on { border-color: var(--accent-text); background: var(--accent-bg); }
.rc-form { display: flex; gap: 6px; }
.rc-form .input { flex: 1; min-height: 38px; }
.rc-recent summary { cursor: pointer; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.rc-recent-list { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 6px; }
.rc-recent-list li { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; padding: 6px 0; border-top: 1px dashed var(--border); }
.rc-recent-list a { display: flex; gap: 6px; align-items: baseline; text-decoration: none; color: inherit; }

/* ---------- 매출 보고서 ---------- */
.sales-stats .stat-btn.on { outline: 3px solid var(--accent-text); outline-offset: 1px; }
.sales-table tfoot th { text-align: left; background: var(--surface-2); }
.sales-table td:nth-child(6) { font-variant-numeric: tabular-nums; white-space: nowrap; }
@media print {
  @page salespage { size: A4 portrait; margin: 12mm; }
  body.printing .sales-sheet { page: salespage; font-size: 10pt; }
  body.printing .sales-sheet .ps-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6mm; font-size: 13pt; }
  body.printing .sales-sheet .ps-head span { font-size: 9pt; color: #555; }
  body.printing .sales-sheet table { width: 100%; border-collapse: collapse; margin-bottom: 6mm; }
  body.printing .sales-sheet th, body.printing .sales-sheet td { border: 1px solid #999; padding: 4px 6px; text-align: left; }
  body.printing .sales-sheet th { background: #f1f1f1; }
  body.printing .sales-sheet .num { text-align: right; white-space: nowrap; }
  body.printing .sales-sheet .sales-sum { width: 60%; }
}
.sales-ex summary { cursor: pointer; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.sales-ex-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 6px 12px; }

/* ---------- 출결 보충 ---------- */
.cal-d.makeup { background: color-mix(in srgb, #7b4bb3 12%, var(--surface)); color: #7b4bb3; }
.cal-d.makeup em { font-size: .6rem; line-height: 1.15; }
.cal-d.makeup-day { box-shadow: inset 0 0 0 2px #7b4bb3; }
.mk-list { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 4px; color: var(--text-soft); }
.mk-line { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin-top: 6px; }
.mk-tag { color: #7b4bb3; font-weight: 700; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .cal-d.makeup, :root:not([data-theme="light"]) .mk-tag { color: #c3a2ee; } }
:root[data-theme="dark"] .cal-d.makeup, :root[data-theme="dark"] .mk-tag { color: #c3a2ee; }

/* ---------- 알림 ---------- */
.push-card { margin-top: 18px; }
.push-card.on { border-color: color-mix(in srgb, var(--accent-text) 40%, var(--border)); }
.push-card strong svg { width: 16px; height: 16px; vertical-align: -2px; }
.key-row { display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; align-items: center; padding: 8px 0; border-top: 1px dashed var(--border); }
.key-row span { grid-column: 1 / -1; }
.key-row code { font-size: .78rem; word-break: break-all; background: var(--surface-2); padding: 6px 8px; border-radius: 8px; }

/* ---------- 수학학원 느낌: 모눈종이 + 옅은 수학 기호 (인사 카드 · 로그인 화면) ---------- */
:root { --grid-line: color-mix(in srgb, var(--accent-text) 9%, transparent); --math-ink: color-mix(in srgb, var(--accent-text) 13%, transparent); }
.hello {
  position: relative; overflow: hidden; isolation: isolate;
  background-color: var(--surface-2);
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 16px 16px; background-position: -1px -1px;
}
.hello > * { position: relative; z-index: 1; }
.hello::after, .hello::before { position: absolute; pointer-events: none; color: var(--math-ink); font-family: "Times New Roman", Georgia, serif; line-height: 1; z-index: 0; }
.hello::after { content: "\2211"; right: 14px; top: 50%; transform: translateY(-52%); font-size: 84px; }
.hello::before { content: "\03C0   \221Ax   \00F7"; right: 92px; bottom: 8px; font-size: 20px; letter-spacing: .1em; white-space: pre; }
@media (max-width: 480px) { .hello::before { display: none; } .hello::after { font-size: 64px; right: 8px; } }

.auth-wrap {
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 18px 18px;
  -webkit-mask-image: none;
}
.auth-head { position: relative; }
.auth-head::before, .auth-head::after { position: absolute; pointer-events: none; color: var(--math-ink); font-family: "Times New Roman", Georgia, serif; line-height: 1; }
.auth-head::before { content: "\2211"; left: -64px; top: 6px; font-size: 54px; }
.auth-head::after { content: "\03C0"; right: -56px; top: 34px; font-size: 44px; }

/* daily report: 카드(흰 바탕) 전체에 워터마크 여러 개 (월간 보고서는 가운데 하나 그대로) */
.report.wm.wm-tiled::after { content: ""; inset: 0; left: 0; top: 0; transform: none; opacity: 1; background-image: var(--wm-img); background-repeat: repeat; background-size: 360px 200px; }

/* ---------- 수학학원 느낌 더하기: 화면 전체 모눈 · 자 눈금 · 메뉴 칸 수학 기호 · 인사 카드 공식 ---------- */
:root { --grid-faint: color-mix(in srgb, var(--accent-text) 5%, transparent); --tick: color-mix(in srgb, var(--accent-text) 28%, transparent); }
body {
  background-color: var(--bg);
  background-image: linear-gradient(var(--grid-faint) 1px, transparent 1px), linear-gradient(90deg, var(--grid-faint) 1px, transparent 1px);
  background-size: 22px 22px; background-attachment: fixed;
}
/* 인사 카드: ∑ 조금 더 또렷하게 (작은 기호 π √x ÷ 는 그대로) */
.hello::after { font-size: 96px; color: color-mix(in srgb, var(--accent-text) 17%, transparent); }
/* 메뉴 칸: 오른쪽 아래에 옅은 수학 기호 (칸마다 다르게) */
.tile { overflow: hidden; }
.tile::before { position: absolute; right: 10px; bottom: -6px; font-family: "Times New Roman", Georgia, serif; font-size: 54px; line-height: 1; color: color-mix(in srgb, var(--accent-text) 9%, transparent); pointer-events: none; }
.tiles .tile:nth-child(9n+1)::before { content: "\2211"; }
.tiles .tile:nth-child(9n+2)::before { content: "\03C0"; }
.tiles .tile:nth-child(9n+3)::before { content: "\221A"; }
.tiles .tile:nth-child(9n+4)::before { content: "\222B"; }
.tiles .tile:nth-child(9n+5)::before { content: "\0394"; }
.tiles .tile:nth-child(9n+6)::before { content: "\221E"; }
.tiles .tile:nth-child(9n+7)::before { content: "\00F7"; }
.tiles .tile:nth-child(9n+8)::before { content: "\03B8"; }
.tiles .tile:nth-child(9n+9)::before { content: "\00D7"; }
.tile.tile-alert::before { color: color-mix(in srgb, var(--danger) 14%, transparent); }

/* ---------- 자료실 (인쇄) ---------- */
.mat-group { margin-bottom: 12px; }
.mat-list { list-style: none; margin: 0; padding: 0; }
.mat-row { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-top: 1px dashed var(--border); }
.mat-row:first-child { border-top: 0; }
.mat-type { flex: none; font-size: .72rem; font-weight: 700; padding: 3px 8px; border-radius: 6px; background: var(--surface-3); color: var(--text-soft); }
.mat-type.pdf { background: var(--danger-bg); color: var(--danger); }
.mat-type.hwp { background: color-mix(in srgb, #2b6fd6 14%, var(--surface)); color: #2b6fd6; }
.mat-type.image { background: var(--accent-bg); color: var(--accent-text); }
.mat-row .btn svg { width: 16px; height: 16px; }
.mat-sems { align-items: center; }
.mat-up .input { min-height: 34px; padding: 4px 8px; font-size: .85rem; }
.mat-up td:last-child { max-width: 220px; word-break: break-all; }
.mat-print { display: none; }
@media print {
  @page matpage { size: A4 portrait; margin: 8mm; }
  body.printing .mat-print { page: matpage; display: block; }
  body.printing .mat-print img { width: 100%; max-height: 277mm; object-fit: contain; }
}