* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #f4f6fb; --card: #fff; --line: #e3e8f0; --ink: #1f2937; --muted: #6b7280;
  --pri: #3b5bdb; --pri-soft: #edf0fe; --ok: #2f9e44; --no: #e03131; --wait: #f08c00;
}
body { font-family: 'Pretendard','Apple SD Gothic Neo','Malgun Gothic',sans-serif; background: var(--bg); color: var(--ink); }
button { font-family: inherit; cursor: pointer; }
.hidden { display: none !important; }
.mobile-top { display: none; }
.nav-overlay { display: none; }

/* 로그인 */
#login { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-box { background: var(--card); padding: 40px; border-radius: 16px; box-shadow: 0 10px 40px rgba(0,0,0,.08); width: 360px; }
.login-box h1 { font-size: 22px; margin-bottom: 4px; }
.login-logo { display: block; width: 230px; max-width: 100%; margin: 0 auto 10px; }
.login-box p { color: var(--muted); font-size: 13px; margin-bottom: 24px; text-align: center; }
.login-box input { width: 100%; padding: 12px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 12px; font-size: 14px; }
.login-box button { width: 100%; padding: 12px; background: var(--pri); color: #fff; border: none; border-radius: 8px; font-size: 15px; font-weight: 600; }
.copyright { margin-top: 18px; text-align: center; font-size: 11.5px; color: var(--muted); }
.hint { margin-top: 16px; font-size: 12px; color: var(--muted); line-height: 1.6; background: var(--pri-soft); padding: 10px 12px; border-radius: 8px; }

/* 레이아웃 */
#app { display: flex; min-height: 100vh; }
.side { width: 220px; background: #1e2536; color: #cbd2e0; padding: 20px 0; flex-shrink: 0; }
.side .brand { padding: 4px 18px 18px; border-bottom: 1px solid #2c344a; margin-bottom: 12px; }
.side-logo { width: 100%; max-width: 184px; background: #fff; border-radius: 10px; padding: 8px 10px; }
.side .me { padding: 0 24px 16px; font-size: 13px; line-height: 1.7; }
.side .me b { color: #fff; }
.side nav a { display: block; padding: 11px 24px; color: #cbd2e0; text-decoration: none; font-size: 14px; cursor: pointer; }
.side nav a:hover, .side nav a.active { background: #2c344a; color: #fff; border-left: 3px solid var(--pri); }
.side .logout { margin: 16px 24px 0; font-size: 13px; color: #8a93a8; background: none; border: 1px solid #3a4259; padding: 8px; border-radius: 6px; width: calc(100% - 48px); }
.main { flex: 1; padding: 28px 36px; overflow-x: auto; }
.main h2 { font-size: 20px; margin-bottom: 18px; }

/* 카드/표 */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin-bottom: 18px; }
.grid3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.stat .n { font-size: 28px; font-weight: 700; color: var(--pri); }
.stat .l { font-size: 13px; color: var(--muted); margin-top: 4px; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 11px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: 12.5px; }
tr.clk { cursor: pointer; } tr.clk:hover { background: #fafbff; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.b-pending { background: #fff4e0; color: var(--wait); }
.b-approved { background: #e6f4ea; color: var(--ok); }
.b-rejected { background: #fde8e8; color: var(--no); }
.type-tag { font-size: 12px; padding: 2px 8px; border-radius: 6px; background: var(--pri-soft); color: var(--pri); font-weight: 600; }

/* 폼 */
label { display: block; font-size: 13px; font-weight: 600; margin: 14px 0 6px; }
input, select, textarea { width: 100%; padding: 10px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; font-family: inherit; }
textarea { min-height: 90px; resize: vertical; }
.row { display: flex; gap: 14px; } .row > div { flex: 1; }
.btn { padding: 11px 22px; background: var(--pri); color: #fff; border: none; border-radius: 8px; font-size: 14px; font-weight: 600; }
.btn.ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn.ok { background: var(--ok); } .btn.no { background: var(--no); }
.tabs { display: flex; gap: 6px; margin-bottom: 16px; }
.tabs button { padding: 9px 18px; background: #fff; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; }
.tabs button.active { background: var(--pri); color: #fff; border-color: var(--pri); }

/* 결재선 미리보기 */
.line { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.line .step { background: var(--pri-soft); color: var(--pri); padding: 7px 13px; border-radius: 8px; font-size: 13px; font-weight: 600; }
.line .arrow { color: var(--muted); }
.line .me-step { background: #e6f4ea; color: var(--ok); }

/* 결재 진행 표시 */
.flow { display: flex; gap: 10px; flex-wrap: wrap; margin: 10px 0; }
.flow .node { border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; min-width: 130px; }
.flow .node .who { font-weight: 600; font-size: 13.5px; }
.flow .node .st { font-size: 12px; margin-top: 4px; }
.flow .node.done { border-color: var(--ok); background: #f4fbf6; }
.flow .node.now { border-color: var(--wait); background: #fffaf0; }
.flow .node.no { border-color: var(--no); background: #fef6f6; }
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal { background: #fff; border-radius: 14px; padding: 26px; width: 620px; max-height: 86vh; overflow-y: auto; }
.kv { display: flex; padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.kv .k { width: 130px; color: var(--muted); flex-shrink: 0; }
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: #1e2536; color: #fff; padding: 12px 22px; border-radius: 10px; font-size: 14px; z-index: 99; }
.muted { color: var(--muted); font-size: 13px; }
.editor-toolbar { display: flex; gap: 5px; margin: 6px 0 0; flex-wrap: wrap; align-items: center; background: #f7f8fb; border: 1px solid var(--line); border-bottom: none; border-radius: 8px 8px 0 0; padding: 7px 8px; }
.editor-toolbar button { padding: 5px 9px; border: 1px solid var(--line); background: #fff; border-radius: 6px; font-size: 13px; cursor: pointer; min-width: 30px; }
.editor-toolbar button:hover { background: #eef0f5; }
.editor-toolbar select { padding: 5px 6px; border: 1px solid var(--line); border-radius: 6px; font-size: 12.5px; background: #fff; }
.editor-toolbar .tb-color { display: inline-flex; align-items: center; gap: 4px; font-size: 12.5px; color: var(--muted); border: 1px solid var(--line); background: #fff; border-radius: 6px; padding: 2px 6px; cursor: pointer; }
.editor-toolbar .tb-color input { width: 22px; height: 22px; border: none; background: none; padding: 0; cursor: pointer; }
.editor-toolbar .tb-sep { width: 1px; height: 20px; background: var(--line); margin: 0 3px; }
.rich-editor { border-radius: 0 0 8px 8px !important; }
.rich-editor { min-height: 160px; border: 1px solid var(--line); border-radius: 8px; padding: 12px; font-size: 14px; line-height: 1.6; background: #fff; overflow-y: auto; }
.rich-editor:empty:before { content: attr(data-ph); color: #9aa3b2; }
.rich-editor img { max-width: 100%; }
.report-body { line-height: 1.6; }
.report-body img { max-width: 100%; border-radius: 6px; margin: 4px 0; }
.ctabs { display: flex; gap: 6px; flex-wrap: wrap; }
.ctab { padding: 7px 14px; background: #fff; border: 1px solid var(--line); border-radius: 8px; font-size: 13.5px; cursor: pointer; }
.ctab.active { background: var(--pri); color: #fff; border-color: var(--pri); }

/* ===================== 휴가 캘린더 ===================== */
.cal-bar { display: flex; align-items: center; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.cal-bar .btn.ghost { padding: 7px 12px; }
.cal-legend { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.cal-legend .lg { color: #fff; padding: 2px 9px; border-radius: 5px; font-size: 11.5px; }
.cal { width: 100%; border-collapse: collapse; table-layout: fixed; }
.cal th { padding: 7px 4px; font-size: 12px; color: var(--muted); border-bottom: 1px solid var(--line); font-weight: 600; }
.cal td.cal-day { border: 1px solid var(--line); vertical-align: top; height: 98px; padding: 4px; overflow: hidden; }
.cal-other { background: #fafbfc; }
.cal-today { background: #fff8e1; }
.cal-d { font-size: 12px; font-weight: 700; margin-bottom: 3px; color: var(--ink); }
.cal-d.sun, .cal th.sun, .cal-wk-h.sun { color: #e03131; }
.cal-d.sat, .cal th.sat, .cal-wk-h.sat { color: #3b5bdb; }
.cal-ev { font-size: 11px; padding: 2px 5px; border-radius: 4px; margin-bottom: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: #fff; }
.cal-pend { opacity: .5; }
.cal-more { font-size: 11px; color: var(--muted); padding-left: 2px; }
.k-yeoncha { background: #3b5bdb; } .k-byeong { background: #e8590c; } .k-gyeongjo { background: #7048e8; }
.k-gong { background: #0ca678; } .k-etc { background: #868e96; }
.cal-week { display: grid; grid-template-columns: 1fr; gap: 8px; }
.cal-wkday { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.cal-wk-h { font-weight: 700; margin-bottom: 6px; font-size: 14px; }

/* ===================== 모바일 반응형 ===================== */
@media (max-width: 820px) {
  .mobile-top {
    display: flex; align-items: center; gap: 12px;
    position: fixed; top: 0; left: 0; right: 0; height: 56px; z-index: 40;
    background: #1e2536; padding: 0 12px; padding-top: env(safe-area-inset-top);
  }
  .hamburger { background: none; border: none; color: #fff; font-size: 25px; line-height: 1; padding: 4px 8px; }
  .mtop-logo { height: 32px; background: #fff; border-radius: 7px; padding: 4px 8px; }
  .mtop-badge { margin-left: auto; }

  #app { display: block; }
  .side {
    position: fixed; top: 0; left: 0; bottom: 0; width: 250px; z-index: 60;
    transform: translateX(-100%); transition: transform .25s ease; overflow-y: auto;
  }
  #app.nav-open .side { transform: translateX(0); }
  #app.nav-open .nav-overlay { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 50; }
  .side nav a { padding: 14px 24px; font-size: 15px; }
  .side .logout { padding: 12px; font-size: 14px; }

  .main { padding: 70px 13px 28px; }
  .main h2 { font-size: 18px; }

  .row { flex-direction: column; gap: 0; }
  .grid3 { grid-template-columns: 1fr; gap: 10px; }
  .card { padding: 14px; overflow-x: auto; }
  .stat .n { font-size: 24px; }
  th, td { padding: 9px 7px; font-size: 13px; }

  .modal { width: 94vw; padding: 18px; max-height: 88vh; }
  .kv { flex-direction: column; gap: 2px; padding: 7px 0; }
  .kv .k { width: auto; font-weight: 600; }

  .login-box { width: 92vw; max-width: 360px; padding: 30px 22px; }
  .tabs { flex-wrap: wrap; }
  .editor-toolbar { gap: 4px; padding: 6px; }
  .rich-editor { min-height: 200px; }
  input, select, textarea, .btn { font-size: 16px; } /* iOS 자동확대 방지 */
  .cal td.cal-day { height: 62px; padding: 2px; }
  .cal-d { font-size: 10.5px; margin-bottom: 1px; }
  .cal-ev { font-size: 9px; padding: 1px 3px; }
  .cal th { font-size: 10.5px; padding: 5px 1px; }
  .cal-bar .btn.ghost { padding: 6px 10px; }
}
.leave-hint { margin: 6px 0 4px; padding: 10px 12px; border-radius: 8px; background: var(--pri-soft); color: var(--ink); font-size: 13px; }
.leave-hint.muted { background: #f1f3f7; }
.leave-hint.over { background: #fde8e8; }