* { box-sizing: border-box; }
body { margin: 0; font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
       background: #f5f6f8; color: #222; }
nav { display: flex; gap: 16px; align-items: center; background: #1f2937; color: #fff;
      padding: 10px 20px; }
nav a { color: #d1d5db; text-decoration: none; }
nav a:hover { color: #fff; }
nav .brand { font-weight: bold; color: #fff; font-size: 17px; }
nav .spacer { flex: 1; }
nav .who { color: #9ca3af; }
main { max-width: 900px; margin: 24px auto; padding: 0 16px; }
h1 { font-size: 22px; } h2 { font-size: 17px; } h3 { font-size: 15px; }
.card { background: #fff; border: 1px solid #e5e7eb; border-radius: 8px;
        padding: 16px 20px; margin: 14px 0; }
.card.narrow { max-width: 420px; margin: 40px auto; }
.card.error { border-color: #fca5a5; background: #fef2f2; }
.flash { background: #ecfdf5; border: 1px solid #6ee7b7; color: #065f46;
         padding: 10px 14px; border-radius: 6px; margin: 12px 0; }
.muted { color: #6b7280; }
label { display: block; margin: 12px 0; }
input[type=text], input[type=password], input:not([type]) {
  width: 100%; padding: 8px; border: 1px solid #d1d5db; border-radius: 6px; }
button { padding: 8px 16px; border: 1px solid #d1d5db; border-radius: 6px;
         background: #fff; cursor: pointer; }
button.primary { background: #2563eb; color: #fff; border-color: #2563eb;
                 font-size: 15px; padding: 10px 20px; }
button.mini { padding: 2px 8px; font-size: 12px; margin-left: 8px; }
table { width: 100%; border-collapse: collapse; background: #fff;
        border: 1px solid #e5e7eb; border-radius: 8px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid #f0f0f0; }
th { background: #f9fafb; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px;
         background: #e5e7eb; }
.badge.st-UPLOADED, .badge.st-REVIEWING { background: #dbeafe; color: #1e40af; }
.badge.st-AWAITING_BOSS { background: #fef3c7; color: #92400e; }
.badge.st-AWAITING_COCO { background: #fde68a; color: #78350f; }
.badge.st-CLOSED { background: #d1fae5; color: #065f46; }
.badge.st-ERROR { background: #fecaca; color: #991b1b; }
.badge.sev-high { background: #fecaca; color: #991b1b; }
.badge.sev-medium { background: #fed7aa; color: #9a3412; }
.badge.sev-low { background: #e5e7eb; color: #374151; }
.badge.ai-yes { background: #dbeafe; color: #1e40af; }
.badge.ai-no { background: #f3e8ff; color: #6b21a8; }
.issue { border-left: 4px solid #e5e7eb; padding: 8px 12px; margin: 12px 0; }
.issue.sev-high { border-left-color: #ef4444; }
.issue.sev-medium { border-left-color: #f97316; }
.issue.sev-low { border-left-color: #9ca3af; }
.issue p { margin: 4px 0; }
.orig { color: #6b7280; font-style: italic; }
.pickline { display: flex; gap: 8px; align-items: center; margin: 0; flex-wrap: wrap; }
.pickline input[type=checkbox] { width: 18px; height: 18px; }
input.note { margin-top: 6px; font-size: 13px; }
pre { white-space: pre-wrap; word-break: break-all; }

.assign { font-size: 13px; color: #374151; }
.assign label { margin-right: 14px; cursor: pointer; }
.learn-summary { white-space: pre-wrap; background: #f8fafc; border: 1px solid #e5e7eb;
                 border-radius: 6px; padding: 10px 14px; }
.annotated-tip { background: #fefce8; border-color: #facc15; }
input.ai-note { border-color: #a5b4fc; background: #f5f7ff; }
.tip { background: #f0f9ff; border: 1px solid #bae6fd; border-radius: 6px;
       padding: 8px 12px; font-size: 13px; color: #0c4a6e; margin: 8px 0; }
.progress-track { height: 14px; background: #e5e7eb; border-radius: 7px; overflow: hidden; margin-top: 10px; }
.progress-fill { height: 100%; width: 0; background: #2563eb; border-radius: 7px; transition: width .2s; }