:root {
  color-scheme: light;
  --brand: #ff5a0a;
  --brand-dark: #d94800;
  --brand-soft: #fff2e8;
  --ink: #17130f;
  --ink-soft: #6e655d;
  --paper: #f7f3ed;
  --card: #fffdf9;
  --line: #d9d0c6;
  --focus: #0d5bd7;
  --danger: #8a2f2a;
  --ok: #2f6b2f;
  --draft: #6b5320;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.65;
}

h1, h2, h3 { color: var(--ink); margin: 0 0 12px; }
h1 { font-size: 22px; }
h2 { font-size: 18px; }
h3 { font-size: 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 22px;
  margin: 14px;
}

button {
  font: inherit;
  padding: 7px 16px;
  border-radius: 7px;
  border: 1px solid var(--brand);
  background: var(--brand);
  color: #ffffff;
  cursor: pointer;
}
button:hover { filter: brightness(1.08); }
button:disabled { opacity: 0.55; cursor: not-allowed; }
button.danger { background: var(--danger); border-color: var(--danger); }

/* Keyboard operability: every interactive element keeps a visible focus. */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

input, select {
  padding: 7px 10px;
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--card);
  color: var(--ink);
}

.nav-item {
  background: transparent;
  color: var(--ink);
  border: 1px solid transparent;
  white-space: nowrap;
}
.nav-item.active {
  background: var(--brand-soft);
  border-color: var(--brand);
  color: var(--brand-dark);
  font-weight: 700;
}

.topbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  padding: 10px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.topbar .brand { font-weight: 700; color: var(--brand-dark); }
.topbar nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.admin-name { color: var(--ink-soft); }

.login-page { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-card { width: min(400px, 100%); }
.login-card label { display: block; margin: 12px 0; }
.login-card input { width: 100%; padding: 8px 10px; font: inherit; border: 1px solid var(--line); border-radius: 6px; }
.login-card button { width: 100%; margin-top: 12px; padding: 10px; }
.login-sub { color: var(--ink-soft); margin: 0 0 4px; }

.notice {
  margin: 10px 16px;
  padding: 8px 14px;
  background: var(--brand-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
}
.error { color: var(--danger); font-weight: 600; }
.status-ok { color: var(--ok); font-weight: 600; }
.status-bad { color: var(--danger); font-weight: 600; }
.status-draft { color: var(--draft); font-weight: 600; }
.field-hint { color: var(--ink-soft); font-size: 13px; margin: 6px 0 0; }

.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; margin-top: 10px; }
caption { text-align: left; color: var(--ink-soft); font-size: 13px; padding: 4px 0 8px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--ink-soft); font-weight: 600; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.audit-details { max-width: 420px; word-break: break-all; font-size: 13px; color: var(--ink-soft); }

.inline-form { display: flex; gap: 12px; flex-wrap: wrap; align-items: end; margin: 10px 0; }
.inline-form label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--ink-soft); }
.inline-form input, .inline-form select { min-width: 170px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 0; }
.stats div { background: #faf7f1; border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; }
.stats dt { font-size: 13px; color: var(--ink-soft); }
.stats dd { margin: 4px 0 0; font-size: 18px; font-weight: 700; word-break: break-all; }
.stats small { color: var(--ink-soft); font-size: 12px; }
.detail-stats dd { font-size: 15px; font-weight: 400; }
.summary-block { grid-column: 1 / -1; }
.summary-block pre { margin: 8px 0 0; font-size: 13px; white-space: pre-wrap; word-break: break-all; }

.pager { display: flex; align-items: center; gap: 14px; margin-top: 12px; }
.pager span { color: var(--ink-soft); }

.resource-toolbar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.resource-toolbar .field-hint { flex: 1; min-width: 260px; margin: 0; }
.resource-count { color: var(--ink-soft); font-size: 13px; }
.raw-content {
  background: #f4efe6;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  overflow: auto;
  max-height: 420px;
  font-size: 13px;
  white-space: pre-wrap;
  word-break: break-all;
}

.rule-hint { background: var(--brand-soft); padding: 8px 12px; border-radius: 8px; }
.paper-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 14px; margin: 14px; }
.paper-card { display: flex; gap: 14px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.paper-card img { width: 110px; height: 150px; object-fit: cover; border: 1px solid var(--line); border-radius: 6px; background: #eee; }
.paper-meta { flex: 1; }
.tag { display: inline-block; background: #ffe4cf; border-radius: 5px; padding: 1px 8px; margin-right: 4px; font-size: 13px; }

.settings-notes { margin: 0; padding-left: 20px; }
.settings-notes li { margin: 6px 0; }

dialog {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 22px;
  max-width: 92vw;
  background: var(--card);
  color: var(--ink);
}
dialog::backdrop { background: rgba(23, 19, 15, 0.55); }
dialog label { display: block; margin: 10px 0; }
dialog input { width: 100%; }
.dialog-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 12px; }
#preview-dialog img { max-width: 86vw; max-height: 76vh; display: block; margin-bottom: 10px; }

@media (max-width: 760px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .topbar { padding: 8px 10px; }
  .card { padding: 14px; margin: 10px; }
  .inline-form { flex-direction: column; align-items: stretch; }
  .inline-form input, .inline-form select { min-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}