:root {
  --ink: #1c1e21;
  --ink-2: #5b6169;
  --ink-3: #9aa1a9;
  --line: #e3e5e8;
  --paper: #f6f7f8;
  --card: #ffffff;
  --accent: #1f5fa8;
  --accent-bg: #e9f1fa;
  --ok: #1d7a4f;
  --ok-bg: #e6f4ec;
  --warn: #8a5a00;
  --warn-bg: #faf0d8;
  --danger: #b3261e;
  --danger-bg: #fbebea;
  --mono: 'SF Mono', 'Consolas', 'D2Coding', monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Pretendard', 'Apple SD Gothic Neo', 'Malgun Gothic', system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.6;
}

.shell { max-width: 1760px; margin: 0 auto; padding: 24px 20px 80px; }

.topbar {
  display: flex; align-items: baseline; justify-content: space-between;
  padding-bottom: 16px; border-bottom: 2px solid var(--ink); margin-bottom: 24px;
}
.topbar h1 { font-size: 20px; font-weight: 700; margin: 0; letter-spacing: -0.02em; }
.topbar .user { font-size: 13px; color: var(--ink-2); display: flex; gap: 12px; align-items: center; }

/* 3단: 등록 | 목록 | 상세 */
.grid { display: grid; grid-template-columns: 340px 1fr 1fr; gap: 20px; align-items: stretch; }
.grid > div { display: flex; flex-direction: column; }
.grid > div > .card { flex: 1; display: flex; flex-direction: column; }
.grid > div > .card .row-actions { margin-top: auto; }
.grid > div > .card .pager { margin-top: auto; }
.grid > div > .card .form-foot { margin-top: auto; }
.grid > div > .card .form-foot .row-actions { margin-top: 16px; }

/* 창이 좁으면 2단: 등록(좌, 세로로 길게) | 목록+상세(우, 위아래) */
@media (max-width: 1360px) {
  .grid { grid-template-columns: 360px 1fr; }
  .grid > div:first-child { grid-row: 1 / span 2; }
}

/* 더 좁으면 1단 세로 배치 */
@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr; }
  .grid > div:first-child { grid-row: auto; }
}

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 20px; margin-bottom: 20px;
}
.card h2 { font-size: 15px; font-weight: 700; margin: 0 0 14px; }
.card h2 small { font-weight: 400; color: var(--ink-3); font-size: 12px; margin-left: 8px; }

label { display: block; font-size: 13px; color: var(--ink-2); margin: 12px 0 4px; }
input, select, textarea {
  width: 100%; padding: 8px 10px; font-size: 14px; font-family: inherit;
  border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-bg);
}

button {
  font-family: inherit; font-size: 14px; padding: 9px 14px; border-radius: 6px;
  border: 1px solid var(--line); background: #fff; color: var(--ink); cursor: pointer;
}
button:hover { background: var(--paper); }
button.primary { background: var(--ink); color: #fff; border-color: var(--ink); }
button.primary:hover { background: #33363b; }
button.danger { color: var(--danger); border-color: var(--danger); }
button.danger:hover { background: var(--danger-bg); }
button.small { padding: 4px 8px; font-size: 12px; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.dno { font-family: var(--mono); font-weight: 600; letter-spacing: 0.02em; }

.badge {
  display: inline-block; font-size: 12px; font-weight: 600;
  padding: 1px 9px; border-radius: 999px;
}
.badge.cat-A { background: var(--accent-bg); color: var(--accent); }
.badge.cat-T { background: var(--ok-bg); color: var(--ok); }
.badge.st-작성중 { background: var(--warn-bg); color: var(--warn); }
.badge.st-작성완료 { background: var(--ok-bg); color: var(--ok); }
.badge.st-폐기 { background: var(--danger-bg); color: var(--danger); }
.badge.rev { background: var(--paper); color: var(--ink-2); }

.list-row {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 6px 10px; border-bottom: 1px solid var(--line); cursor: pointer;
  border-radius: 6px;
}
.list-row:hover { background: var(--paper); }
.list-row.active { background: var(--accent-bg); }
.list-row.active .dno { color: var(--accent); }
.list-row .sub { font-size: 13px; color: var(--ink-2); }

.kv { width: 100%; border-collapse: collapse; font-size: 14px; }
.kv td { padding: 7px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.kv td:first-child { color: var(--ink-2); width: 96px; }

.rev-row {
  font-size: 13px;
  padding: 7px 0; border-bottom: 1px solid var(--line);
}
.rev-main { display: flex; gap: 12px; align-items: baseline; }
.rev-files {
  display: flex; flex-wrap: wrap; gap: 3px 16px;
  margin-top: 4px; margin-left: 220px;
}
.rev-row .r { font-family: var(--mono); color: var(--ink-2); min-width: 48px; }
.rev-row .d { color: var(--ink-3); min-width: 148px; }
.rev-row a { color: var(--accent); }

.master-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 7px 4px; border-bottom: 1px solid var(--line); font-size: 14px;
}
.master-row .cnt { font-size: 12px; color: var(--ink-3); margin-left: 6px; }

.msg-ok {
  margin-top: 12px; background: var(--ok-bg); color: var(--ok);
  border-radius: 6px; padding: 10px 14px; font-size: 14px;
}
.msg-err {
  margin-top: 12px; background: var(--danger-bg); color: var(--danger);
  border-radius: 6px; padding: 10px 14px; font-size: 14px;
}

.row-actions { display: flex; gap: 8px; margin-top: 16px; }
.row-actions button { flex: 1; }
.inline-add { display: flex; gap: 8px; margin-top: 10px; }
.inline-add input { flex: 1; }
.muted { color: var(--ink-3); font-size: 13px; }

.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, #eef2f6 0%, #f6f7f8 45%, #e9f1fa 100%);
}
.login-card {
  width: 360px; padding: 32px 28px;
  box-shadow: 0 12px 40px rgba(28, 30, 33, 0.10);
}
.login-logo { height: 26px; display: block; margin-left: auto; margin-bottom: 16px; }
.login-card h1 { font-size: 19px; margin: 0 0 4px; letter-spacing: -0.02em; }
.login-card .muted { margin: 0 0 8px; }

/* ===== 마스터 관리 모달 ===== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(28, 30, 33, 0.45);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 60px 16px; overflow: auto;
}
.modal-box { width: 480px; max-width: 100%; }
.modal-box .card { margin-bottom: 16px; }
.modal-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px; color: #fff; font-size: 16px; font-weight: 700;
}
.modal-head button { background: #fff; }
.tabs { display: flex; gap: 6px; margin-bottom: 12px; }
.tabs button { background: #fff; }
.tabs button.on { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ===== 목록 페이지네이션 / 마스터 목록 스크롤 ===== */
.pager {
  display: flex; align-items: center; justify-content: center; gap: 14px;
  margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--line);
  font-size: 13px; color: var(--ink-2);
}
.master-list { max-height: 320px; overflow-y: auto; }
.list-body { margin-top: 8px; min-height: 610px; }

/* ===== 파일 선택 버튼 ===== */
.file-pick { display: flex; align-items: center; gap: 10px; min-width: 0; }
.file-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 12px; font-size: 14px; font-weight: 400;
  border: 1px solid var(--line); border-radius: 6px;
  background: #fff; color: var(--ink); cursor: pointer;
  margin: 0; white-space: nowrap;
}
.file-btn:hover { background: var(--paper); }
.file-btn input[type="file"] { display: none; }
.file-ico { width: 24px; height: 24px; flex-shrink: 0; }
.file-name {
  font-size: 13px; min-width: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.file-clear {
  border: none; background: none; padding: 2px 6px;
  color: var(--ink-3); cursor: pointer; font-size: 13px;
}
.file-clear:hover { color: var(--danger); background: none; }
.file-list { margin-top: 6px; display: flex; flex-direction: column; gap: 2px; }
.file-item { display: flex; align-items: center; gap: 6px; font-size: 13px; min-width: 0; }

/* ---- 보기 전용(viewer) 권한 ---- */
.badge.role-view { background: var(--warn-bg); color: var(--warn); }
.grid.viewer { grid-template-columns: 1.1fr 1fr; }
.grid.viewer > div:first-child { grid-row: auto; }
@media (max-width: 900px) {
  .grid.viewer { grid-template-columns: 1fr; }
}

/* ---- 개정별 파일 추가/삭제 + 파일 변경 로그 ---- */
.rev-add { padding: 2px 8px; font-size: 12px; flex: 0 0 auto; }
.rev-file { display: inline-flex; align-items: center; gap: 2px; min-width: 0; }
.log-list { margin-top: 6px; display: flex; flex-direction: column; gap: 2px; font-size: 12.5px; }
.log-row { display: flex; gap: 10px; align-items: baseline; color: var(--ink-2); }
.log-row .d { color: var(--ink-3); min-width: 148px; }
.log-row .r { font-family: var(--mono); min-width: 44px; }
.log-row .f { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.log-row .who { color: var(--ink-3); }
.log-add { color: var(--ok); font-weight: 600; min-width: 28px; }
.log-del { color: var(--danger); font-weight: 600; min-width: 28px; }