:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1f2329;
  --muted: #8a9099;
  --line: #e5e6eb;
  --primary: #3370ff;
  --primary-dark: #245bdb;
  --ok: #2ea121;
  --warn: #f5a623;
  --bad: #d83931;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(31, 35, 41, 0.06), 0 4px 12px rgba(31, 35, 41, 0.04);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 12px; font-weight: 600; }
h2 { font-size: 18px; }
h3 { font-size: 15px; }

.topbar { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.topbar-inner { max-width: 1080px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 16px; }
.brand { font-weight: 700; font-size: 16px; color: var(--text); white-space: nowrap; }
.nav { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.nav-link { padding: 6px 12px; border-radius: 8px; color: #4e5969; white-space: nowrap; }
.nav-link:hover { background: #f2f3f5; text-decoration: none; }
.nav-link.active { background: #eef3ff; color: var(--primary); font-weight: 600; }
.userbox { display: flex; align-items: center; gap: 8px; }
.userchip { background: #eef3ff; color: var(--primary); border-radius: 999px; padding: 3px 10px; font-size: 13px; white-space: nowrap; }

.container { max-width: 1080px; margin: 0 auto; padding: 20px 16px 48px; }
.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 16px 0 32px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--card); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.stat-label { color: var(--muted); font-size: 13px; }
.stat-value { font-size: 24px; font-weight: 700; margin-top: 4px; }
.stat-unit { font-size: 13px; color: var(--muted); font-weight: 400; margin-left: 2px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.panel { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin-bottom: 16px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; gap: 12px; }
.panel-head h2 { margin: 0; }

.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th { text-align: left; color: var(--muted); font-weight: 500; padding: 8px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.table td { padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table tbody tr:last-child td { border-bottom: none; }
.table .empty { text-align: center; color: var(--muted); padding: 24px 0; }
.sub { color: var(--muted); font-size: 12px; }
.mono { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 12px; word-break: break-all; }
.nowrap { white-space: nowrap; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; }
.badge.ok { background: #e8f7e6; color: var(--ok); }
.badge.warn { background: #fff5e0; color: #b26a00; }
.badge.bad { background: #fdeeed; color: var(--bad); }
.badge.gray { background: #f2f3f5; color: #6b7280; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 4px; padding: 7px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer; font-size: 13px; line-height: 1.2; text-decoration: none; }
.btn:hover { border-color: #c9cdd4; text-decoration: none; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-ghost { border-color: transparent; background: transparent; color: #4e5969; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.inline { display: inline; }
.inline-form { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.actions-row { display: flex; gap: 10px; margin-top: 4px; }

.input { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; background: #fff; color: var(--text); outline: none; }
.input:focus { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(51, 112, 255, 0.12); }
.input-sm { width: auto; padding: 5px 8px; font-size: 12px; }
textarea.input { resize: vertical; }
select.input { appearance: none; background-image: linear-gradient(45deg, transparent 50%, #8a9099 50%), linear-gradient(135deg, #8a9099 50%, transparent 50%); background-position: calc(100% - 16px) 55%, calc(100% - 11px) 55%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 28px; }

.filter-bar { display: flex; gap: 10px; margin-bottom: 12px; }
.filter-bar .input { flex: 1; }
.form-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-grid .field { margin-bottom: 0; }
.label { color: #4e5969; font-size: 13px; }
.label em { color: var(--bad); font-style: normal; }
.hint { color: var(--muted); font-size: 12px; }
.form-actions { display: flex; gap: 10px; margin-top: 18px; }
.grow { flex: 1; }
.upload-box { margin-top: 8px; border: 1px dashed #c9cdd4; border-radius: var(--radius); padding: 14px; }
.upload-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.attach-existing { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 12px; }
.attach-item { display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: 12px; }
.attach-item img { width: 82px; height: 82px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }

.attach-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 12px; }
.attach-card { display: block; color: var(--text); }
.attach-card img { width: 100%; height: 110px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }
.attach-file { height: 110px; display: flex; align-items: center; justify-content: center; font-size: 36px; background: #f7f8fa; border-radius: 8px; border: 1px solid var(--line); }

.detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px 18px; }
.detail-grid .span-2 { grid-column: span 3; }
.detail-grid .label { display: block; margin-bottom: 2px; }
.signed-by { padding: 7px 0; font-weight: 600; }
.notice { background: #fff8e6; border: 1px solid #ffe1a8; color: #8a5a00; border-radius: 8px; padding: 10px 12px; font-size: 13px; }
.flash { background: #e8f7e6; border: 1px solid #b7e3b0; color: #1d6b14; border-radius: 8px; padding: 10px 12px; margin-bottom: 14px; font-size: 13px; }

.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: radial-gradient(circle at 20% 20%, #eef3ff, #f5f6f8 60%); padding: 20px; }
.login-card { background: var(--card); border-radius: 16px; box-shadow: var(--shadow); padding: 32px 28px; width: 100%; max-width: 380px; text-align: center; }
.login-logo { font-size: 42px; }
.login-card h1 { font-size: 22px; margin: 8px 0 4px; }
.muted { color: var(--muted); }
.login-tip { margin: 18px 0 8px; color: #4e5969; font-size: 13px; }
.login-error { color: var(--bad); font-size: 13px; min-height: 18px; word-break: break-all; }
.dev-box { margin-top: 18px; border-top: 1px dashed var(--line); padding-top: 16px; display: flex; flex-direction: column; gap: 8px; }

@media (max-width: 760px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr 1fr; }
  .detail-grid .span-2 { grid-column: span 2; }
  .topbar-inner { flex-wrap: wrap; gap: 8px; }
  .nav { order: 3; width: 100%; }
  .table { font-size: 12px; }
  .filter-bar { flex-wrap: wrap; }
}