:root {
  --color-bg: #f2f3f5;
  --color-surface: #ffffff;
  --color-text: #1f2430;
  --color-divider: #e3e5ea;
  --color-accent: #2f6fed;
  --color-accent-100: #eaf1ff;
  --color-accent-700: #2757c0;
  --color-accent-800: #1f4498;
  --radius-md: 6px;
  --radius-lg: 10px;
  --font-heading: "Noto Sans TC", "Microsoft JhengHei", -apple-system, sans-serif;
  --font-body: "Noto Sans TC", "Microsoft JhengHei", -apple-system, sans-serif;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}

h2, h3, h6 {
  font-family: var(--font-heading);
  margin: 0 0 4px;
}
h6 { font-size: 12px; letter-spacing: .04em; text-transform: none; color: var(--color-accent-700); }

.om-layout { display: flex; min-height: 100vh; }

.om-sidebar {
  width: 220px;
  flex: none;
  background: var(--color-surface);
  border-right: 1px solid var(--color-divider);
  display: flex;
  flex-direction: column;
  padding: var(--space-4) var(--space-3);
  gap: var(--space-8);
}
.om-brand { display: flex; align-items: center; gap: 8px; padding: 0 6px; }
.om-brand img { height: 26px; width: auto; }
.om-brand span { font-family: var(--font-heading); font-weight: 700; font-size: 14px; }

.om-nav { display: flex; flex-direction: column; gap: 2px; }
.om-nav a {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  color: var(--color-text);
  text-decoration: none;
  font-size: 14px;
}
.om-nav a:hover { background: color-mix(in srgb, var(--color-text) 6%, transparent); }
.om-nav a.active { background: var(--color-accent-100); color: var(--color-accent-800); font-weight: 600; }
.om-nav svg { flex: none; }

.om-main { flex: 1; min-width: 0; padding: var(--space-8); display: flex; flex-direction: column; gap: var(--space-6); max-width: 1180px; }

.om-title { font-family: var(--font-heading); font-size: 24px; font-weight: 700; color: var(--color-accent-800); margin: 0; }

.om-topbar {
  background: var(--color-accent);
  padding: 8px var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.om-topbar-logo {
  height: 36px;
  width: auto;
  display: block;
}
.om-topbar-user { display: flex; align-items: center; gap: 12px; }
.om-topbar-user .name { font-size: 16px; font-weight: 700; color: #fff; }
.om-topbar-user .role {
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: rgba(255, 255, 255, .2);
  padding: 3px 12px;
  border-radius: 999px;
}
.om-topbar-user .logout {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  background: #fff;
  padding: 5px 14px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: opacity .15s;
}
.om-topbar-user .logout:hover { opacity: .85; }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; font-weight: 600; color: var(--color-text); }
.hint, .field .hint { font-weight: 400; color: color-mix(in srgb, var(--color-text) 45%, transparent); }

.input, textarea.input, select.input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 14px;
  padding: 8px 10px;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  resize: vertical;
}
.input:focus, textarea.input:focus, select.input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent-100);
}
.input[readonly], .input[disabled], textarea.input[readonly], textarea.input[disabled] {
  background: #f7f8fa;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
@media (max-width: 760px) { .grid-2 { grid-template-columns: 1fr; } }

.table { width: 100%; border-collapse: collapse; }
.table th {
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: color-mix(in srgb, var(--color-text) 60%, transparent);
  padding: 6px 8px;
  border-bottom: 1px solid var(--color-divider);
}
.table td { padding: 6px 8px; border-bottom: 1px solid var(--color-divider); vertical-align: middle; }
.table td .input { border: 1px solid transparent; background: transparent; }
.table td .input:focus { border-color: var(--color-accent); background: var(--color-surface); }
.table-row-hidden { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-700); }
.btn-secondary { background: var(--color-surface); color: var(--color-text); border-color: var(--color-divider); }
.btn-secondary:hover { background: #f7f8fa; }
.btn-ghost { background: transparent; color: var(--color-accent-700); border: none; padding: 2px 8px; font-size: 12px; cursor: pointer; }
.btn-icon { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: var(--radius-md); border: none; background: transparent; cursor: pointer; color: color-mix(in srgb, var(--color-text) 55%, transparent); }
.btn-icon:hover { background: #f7f8fa; }

.tag { display: inline-flex; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.tag-neutral { background: #e9eaed; color: #5b6270; }
.tag-accent { background: var(--color-accent-100); color: var(--color-accent-800); }
.tag-outline { background: #fff; color: var(--color-accent-700); border: 1px solid var(--color-accent); }
.tag-warn { background: #fbf1de; color: #8a5a09; }

.star-row { display: inline-flex; gap: 2px; }
.star-btn { cursor: pointer; color: var(--color-accent); width: 22px; height: 22px; display: inline-flex; background: none; border: none; padding: 0; }
.star-btn[disabled] { cursor: default; }
.star-row.readonly .star-btn { cursor: default; }
.score-display { font-family: var(--font-heading); font-size: 18px; }

.help-block { background: var(--color-accent-100); padding: var(--space-4); border-radius: var(--radius-md); display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.help-block h6 { color: var(--color-accent-800); }
.help-block p { color: var(--color-accent-800); }

.note { padding: var(--space-4); border-radius: var(--radius-md); font-size: 14px; line-height: 1.7; }
.note-info { background: var(--color-accent-100); color: var(--color-accent-800); }
.note-warn { background: #fbf1de; color: #8a5a09; }

.manual-toc { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); }
.manual-toc a { font-size: 13px; color: var(--color-accent-700); text-decoration: none; }
.manual-toc a:hover { text-decoration: underline; }

.manual-shot { border: 1px solid var(--color-divider); border-radius: var(--radius-lg); overflow: hidden; }
.manual-shot img { display: block; width: 100%; height: auto; }
.manual-caption { margin: var(--space-2) 0 0; font-size: 12px; color: color-mix(in srgb, var(--color-text) 55%, transparent); }
.manual-shot-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }

.manual-perm-table td, .manual-perm-table th { white-space: normal; }
.manual-perm-table td:first-child { color: color-mix(in srgb, var(--color-text) 50%, transparent); width: 32px; }

.supervisor-note { border-top: 1px solid var(--color-divider); padding-top: var(--space-4); display: flex; flex-direction: column; gap: 6px; }
.supervisor-note .label { font-size: 12px; color: color-mix(in srgb, var(--color-text) 70%, transparent); display: flex; align-items: center; gap: 6px; }
.supervisor-note p { margin: 0; font-size: 14px; color: color-mix(in srgb, var(--color-text) 60%, transparent); font-style: italic; }

.messages { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.messages li { padding: 10px 14px; border-radius: var(--radius-md); font-size: 13px; background: var(--color-accent-100); color: var(--color-accent-800); }
.messages li.error { background: #fdecec; color: #b42318; }

.master { display: flex; gap: var(--space-5); align-items: flex-start; }
.master-list { width: 340px; flex: none; display: flex; flex-direction: column; gap: var(--space-3); }
.j-card { border: 1px solid var(--color-divider); border-radius: var(--radius-lg); background: var(--color-surface); padding: var(--space-3); cursor: pointer; display: flex; flex-direction: column; gap: 6px; text-decoration: none; color: var(--color-text); }
.j-card.active { background: var(--color-accent-100); }
.j-card .top { display: flex; align-items: center; justify-content: space-between; }
.j-card .staff-name { font-family: var(--font-heading); font-weight: 600; font-size: 16px; }
.j-card .week { font-size: 12px; color: color-mix(in srgb, var(--color-text) 55%, transparent); }
.j-card .stars-line { display: flex; align-items: center; gap: 6px; }
.j-card .diff-preview { margin: 0; font-size: 12px; color: color-mix(in srgb, var(--color-text) 70%, transparent); overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }

.filters { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.filters select { width: auto; min-width: 150px; }

.comment-list { display: flex; flex-direction: column; gap: var(--space-3); }
.comment-item {
  --c: var(--color-accent);
  border-left: 3px solid var(--c);
  background: color-mix(in srgb, var(--c) 7%, var(--color-surface));
  border-radius: var(--radius-md);
  padding: 10px var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.comment-item .head { display: flex; align-items: center; gap: 8px; }
.comment-item .avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--c);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.comment-item .sup-name { font-weight: 600; font-size: 13px; }
.comment-item .time { font-size: 11px; color: color-mix(in srgb, var(--color-text) 50%, transparent); margin-left: auto; }
.comment-item p { margin: 0; font-size: 14px; white-space: pre-wrap; }

.sup-color-0 { --c: #2f6fed; }
.sup-color-1 { --c: #1a9d6c; }
.sup-color-2 { --c: #7c5cfc; }
.sup-color-3 { --c: #e08a2c; }
.sup-color-4 { --c: #e0568c; }
.sup-color-5 { --c: #0891b2; }

.checkbox-list > div { display: flex; flex-wrap: wrap; gap: 6px var(--space-4); }
.checkbox-list label { display: flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 400; cursor: pointer; }
.checkbox-list input[type="checkbox"] { margin: 0; }

details summary { list-style: none; }
details summary::-webkit-details-marker { display: none; }
details[open] summary { margin-bottom: 4px; }

@media (max-width: 880px) {
  .om-sidebar { width: 64px; padding: var(--space-4) var(--space-2); }
  .om-sidebar .om-navlabel, .om-brand span { display: none; }
}
@media (max-width: 760px) {
  .om-main { padding: var(--space-4); }
  .master { flex-direction: column; }
  .master-list { width: 100%; }
  .grid-2, .help-block, .manual-shot-row { grid-template-columns: 1fr; }
}