:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --text: #1f2933;
  --muted: #6b7785;
  --line: #dde3e9;
  --primary: #2f7d7a;
  --primary-ink: #ffffff;
  --danger: #c0392b;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 'Noto Sans KR', system-ui, sans-serif;
}
[hidden] { display: none !important; }
h1, h2 { margin: 0 0 12px; }
h1 { font-size: 22px; }
h2 { font-size: 16px; }
.muted { color: var(--muted); font-weight: 400; }
.spacer { flex: 1; }
.error { color: var(--danger); min-height: 1.5em; margin: 8px 0 0; }

input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  background: #fff;
  color: var(--text);
}
input:focus { outline: 2px solid color-mix(in srgb, var(--primary) 40%, transparent); border-color: var(--primary); }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; font-weight: 500; }

.btn {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover:not(:disabled) { border-color: var(--primary); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn.primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn.ghost { background: transparent; }
.btn.danger-ghost { color: var(--danger); }
.btn.wide { width: 100%; padding: 11px; margin-top: 14px; }

/* 로그인 */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card {
  width: 100%; max-width: 360px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px;
  display: flex; flex-direction: column; gap: 14px;
}
.login-card p { margin: -6px 0 4px; }

/* 메인 */
.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
}
.layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 16px;
  padding: 16px 20px;
  align-items: start;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}
.drop {
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
  cursor: pointer;
  margin-bottom: 14px;
}
.drop.over, .drop:hover { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 5%, transparent); }
#drop-hint { display: flex; flex-direction: column; gap: 2px; }
.previews { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.previews:not(:empty) { margin-top: 10px; }
.previews figure { margin: 0; position: relative; }
.previews img { width: 72px; height: 96px; object-fit: cover; border-radius: 6px; border: 1px solid var(--line); }
.previews button {
  position: absolute; top: -6px; right: -6px;
  width: 20px; height: 20px; border-radius: 50%;
  border: none; background: var(--text); color: #fff; cursor: pointer; font-size: 12px; line-height: 20px; padding: 0;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.span2 { grid-column: span 2; }
.status { margin: 10px 0 0; min-height: 1.5em; color: var(--muted); }
.status.err { color: var(--danger); }
.spinner {
  display: inline-block; width: 14px; height: 14px; vertical-align: -2px; margin-right: 6px;
  border: 2px solid var(--line); border-top-color: var(--primary); border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.grid-panel { min-width: 0; }
.grid-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.grid-head h2 { margin: 0; }
.grid-head input { width: 220px; }
#grid { height: calc(100vh - 170px); min-height: 420px; }
.ag-theme-quartz { --ag-font-family: 'Noto Sans KR', system-ui, sans-serif; --ag-active-color: var(--primary); }
.cell-actions { display: flex; gap: 6px; align-items: center; height: 100%; }
.cell-actions button { padding: 2px 10px; font-size: 12px; }

/* 미리보기 */
.viewer {
  position: fixed; inset: 0; z-index: 20;
  background: #3b4249;
  display: flex; flex-direction: column;
}
.viewer-bar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 10px 16px;
  background: var(--panel);
}
.edit-form {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; align-items: end;
  padding: 10px 16px; background: #eef2f4; border-top: 1px solid var(--line);
}
.viewer-body { flex: 1; overflow: auto; padding: 20px 16px 60px; }
.viewer-body .page-holder { margin: 0 auto 20px; }
.viewer-body .orig-img { display: block; max-width: min(794px, 100%); margin: 0 auto 20px; background: #fff; }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--text); color: #fff; padding: 10px 18px; border-radius: 8px; z-index: 50;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; padding: 12px 16px; }
  #grid { height: 520px; }
  .grid-head input { width: 100%; }
}

/* ---------- A4 리포트 양식 ---------- */
.page {
  width: 794px; height: 1123px;
  background: #fff;
  color: #111;
  padding: 44px 30px 36px;
  position: relative;
  font-family: 'Noto Serif', 'Noto Sans KR', serif;
  overflow: hidden;
}
.page-inner {
  border: 1px solid #222;
  height: 100%;
  padding: 10px 12px 14px;
  overflow: hidden;
  position: relative;
}
.r-course { text-align: right; font-size: 12px; margin-bottom: 4px; }
.r-journal { font-size: 26px; letter-spacing: -0.5px; margin: 2px 0 12px; }
.r-head { width: 100%; border-collapse: collapse; font-size: 13px; text-align: center; }
.r-head th { background: #c8c8c8; font-weight: 400; border: 1px solid #222; padding: 6px 4px; line-height: 1.15; }
.r-head td { border: 1px solid #222; height: 40px; padding: 4px; }
.r-title { font-size: 23px; padding: 30px 20px 8px; border-bottom: 1px solid #222; margin: 0 -12px; }
.r-title span { margin-right: 18px; }
.r-topic { font-family: 'Open Sans', 'Noto Sans KR', sans-serif; font-size: 15px; margin: 10px 0 0 8px; }
.r-topic b { font-weight: 600; }
.r-body {
  font-family: 'Open Sans', 'Noto Sans KR', sans-serif;
  font-size: 15px;
  line-height: 3.3;
  padding: 0 10px;
  margin-top: 4px;
}
.r-body p { margin: 0; }
.fix { position: relative; }
.del { text-decoration: line-through; text-decoration-color: #e8231d; text-decoration-thickness: 2.5px; }
.note {
  position: absolute;
  white-space: nowrap;
  font-family: 'Noto Serif', serif;
  font-size: 0.8em;
  line-height: 1;
}
/* 고친 말: 취소선 위에 빨간 글씨 */
.fix > .note { bottom: 1.3em; left: 0; color: #ee3a33; }
/* 빠진 말: 줄 아래 ^ 표시, 그 밑에 넣을 말 */
.ins { position: relative; display: inline-block; width: 0; height: 1em; vertical-align: baseline; }
.ins .caret {
  position: absolute; left: -5px; top: 1.2em;
  width: 9px; height: 9px;
  border-left: 2px solid currentColor; border-top: 2px solid currentColor;
  transform: rotate(45deg);
}
.ins > .note { top: 1.75em; left: 0; }
.ins.word { color: #ee3a33; }
.ins.punct { color: #2260c9; }
.ins.punct > .note { font-size: 1.05em; font-weight: 700; top: 1.5em; }

.r-bottom { display: flex; justify-content: flex-end; margin-top: 8px; padding-right: 40px; }
.r-stamp-wrap { flex: 0 0 210px; display: flex; justify-content: center; padding-top: 6px; }
.r-sugg { color: #2e9a9a; font-size: 13.5px; margin-top: 14px; padding: 0 6px; }
.r-sugg h4 { margin: 0 0 12px; font-weight: 400; font-size: 14px; }
.r-sugg p { margin: 0 0 12px; line-height: 1.6; }

.r-crit-title { font-family: 'Open Sans', 'Noto Sans KR', sans-serif; font-size: 16px; margin: 30px 0 8px 28px; color: #333; }
.r-crit-title::before { content: '▶'; color: #5b9b9b; font-size: 12px; margin-right: 6px; }
.r-crit {
  width: calc(100% - 56px); margin: 0 28px;
  border-collapse: collapse;
  font-family: 'Open Sans', 'Noto Sans KR', sans-serif;
  font-size: 13px; color: #444;
}
.r-crit th { background: #8fbcba; color: #fff; font-weight: 400; padding: 5px; border-right: 1px solid #fff; }
.r-crit td { padding: 9px 8px; border-bottom: 1px solid #fff; }
.r-crit tr:nth-child(odd) td { background: #f1f1f1; }
.r-crit tr:nth-child(even) td { background: #e6e6e6; }
.r-crit td.c-name { text-align: center; width: 150px; border-right: 1px solid #fff; }
.r-crit td.c-dot { text-align: center; width: 32px; padding: 0; }
.dot { display: inline-block; width: 13px; height: 13px; border: 1px solid #999; border-radius: 50%; vertical-align: middle; background: #fff; position: relative; }
.dot.on::after { content: ''; position: absolute; inset: 2px; border-radius: 50%; background: #3d8f8f; }
.dot.on { border-color: #3d8f8f; }

.r-fb { font-family: 'Noto Serif', serif; font-size: 13px; line-height: 1.45; padding: 0 2px; }
.r-fb p { margin: 0; }
.r-fb .gap { height: 18px; }
.r-fb .gap2 { height: 34px; }
.r-fb .bold { font-weight: 700; }
.r-fb .gc-list .ko { font-family: 'Noto Sans KR', sans-serif; font-size: 12px; color: #555; padding-left: 1.5em; margin-bottom: 6px; }