:root {
  --ink: #1f1a16;
  --muted: #6b635b;
  --line: #e4dcd2;
  --paper: #fbf7f1;
  --bg: #f3eee6;
  --accent: #7a3e32;
  --accent-hover: #632f26;
  --chip: #efe8de;
  --danger: #8a2f2f;
  --ok: #3d5a45;
  --shadow: 0 1px 0 rgba(31, 26, 22, 0.04), 0 10px 30px rgba(31, 26, 22, 0.05);
  --sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #fff8ee 0%, transparent 55%),
    var(--bg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.site-nav {
  max-width: 52rem;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand {
  font-family: var(--serif);
  font-size: 1.25rem;
  letter-spacing: 0.18em;
  color: var(--ink);
  margin-right: auto;
}
.brand:hover { text-decoration: none; color: var(--accent); }

.nav-link {
  color: var(--muted);
  font-size: 0.92rem;
}
.nav-link:hover { color: var(--ink); text-decoration: none; }

.nav-count {
  display: inline-block;
  min-width: 1.15rem;
  padding: 0 0.35rem;
  margin-left: 0.15rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  line-height: 1.3rem;
  text-align: center;
}

.logout {
  display: inline;
  margin-left: 0.25rem;
}
.logout button {
  background: none;
  border: 0;
  padding: 0;
  color: var(--muted);
  cursor: pointer;
}
.logout button:hover { color: var(--ink); }

main {
  max-width: 52rem;
  margin: 0 auto;
  padding: 1.75rem 1.25rem 4rem;
}

.page-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.75rem;
  letter-spacing: 0.06em;
  margin: 0 0 0.35rem;
}

.lede {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.toolbar {
  display: grid;
  grid-template-columns: 1fr 8.5rem auto;
  gap: 0.55rem;
  margin-bottom: 1.25rem;
}

input, select, textarea, button {
  font: inherit;
  color: inherit;
}

input[type="text"],
input[type="password"],
input[type="number"],
input:not([type]),
input[type="file"],
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: #c4a99a;
  box-shadow: 0 0 0 3px rgba(122, 62, 50, 0.12);
}

textarea { min-height: 6rem; resize: vertical; }

.field {
  display: block;
  margin: 0 0 0.85rem;
}
.field span {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 8px;
  padding: 0.55rem 1rem;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  letter-spacing: 0.04em;
}
.btn:hover { background: var(--accent-hover); }
.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
}
.btn-ghost:hover { color: var(--ink); background: #fff; }
.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid #e4c9c6;
}
.btn-danger:hover { background: #f8eceb; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.4rem; }

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 1.15rem 1.2rem;
}

.book-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.7rem;
}
.book-list li {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 0 12px 12px 0;
  padding: 0.95rem 1.1rem;
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: baseline;
}
.book-list .title {
  font-family: var(--serif);
  font-size: 1.12rem;
  color: var(--ink);
}
.book-list .title:hover { color: var(--accent); text-decoration: none; }
.book-list .meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.2rem;
}
.book-list .side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
  flex: 0 0 auto;
}

.pill {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: var(--chip);
  color: var(--muted);
  white-space: nowrap;
}
.pill-reading { background: #efe4d2; color: #6a4c28; }
.pill-finished { background: #dce8df; color: var(--ok); }
.pill-warn { background: #f3e2d6; color: var(--accent); }

.empty {
  color: var(--muted);
  padding: 2.5rem 1rem;
  text-align: center;
}

.review-list { display: grid; gap: 1rem; }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 0.85rem;
}
.form-grid .wide { grid-column: 1 / -1; }

.review-card.has-photo {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1rem;
  align-items: start;
}
.review-card img {
  width: 100%;
  height: 10rem;
  object-fit: cover;
  border-radius: 10px;
  background: #ddd;
}
.flags { display: flex; gap: 0.4rem; flex-wrap: wrap; margin: 0.2rem 0 0.7rem; }

.seg {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  width: fit-content;
  margin: 0 0 1.2rem;
}
.seg button {
  background: #fff;
  border: 0;
  border-right: 1px solid var(--line);
  padding: 0.45rem 0.85rem;
  cursor: pointer;
  color: var(--muted);
}
.seg button:last-child { border-right: 0; }
.seg button.is-on {
  background: var(--ink);
  color: #fff;
}

.stack { display: grid; gap: 1.1rem; }
.detail-photo {
  max-width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
}
.comment {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}
.comment:last-of-type { border-bottom: 0; }
.comment p { margin: 0 0 0.35rem; }
.comment time { color: var(--muted); font-size: 0.8rem; }
.comment .btn { padding: 0.2rem 0.55rem; font-size: 0.8rem; }

.job-list { list-style: none; padding: 0; margin: 1.2rem 0 0; display: grid; gap: 0.55rem; }
.job-list li {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: center;
  padding: 0.8rem 0.95rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.error { color: var(--danger); margin: 0 0 1rem; }

.page-login main {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}
.login-card {
  width: min(24rem, 100%);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 2rem 1.6rem 1.7rem;
}
.login-card .page-title { text-align: center; margin-bottom: 0.25rem; }
.login-card .lede { text-align: center; }
.login-card .btn { width: 100%; margin-top: 0.4rem; }

@media (max-width: 640px) {
  .book-list li { flex-direction: column; align-items: flex-start; }
  .book-list .side { align-items: flex-start; }
  .review-card.has-photo { grid-template-columns: 1fr; }
  .review-card img { height: 9rem; }
  .site-nav { gap: 0.85rem; }
  .toolbar { grid-template-columns: 1fr 1fr; }
  .toolbar input { grid-column: 1 / -1; }
  .form-grid { grid-template-columns: 1fr; }
}