:root {
  --bg: #0d1230;
  --bg-2: #161b3d;
  --panel: #1c2249;
  --border: rgba(233, 196, 106, 0.22);
  --gold: #e9c46a;
  --gold-bright: #ffd97a;
  --text: #e8e6f5;
  --text-soft: #b4b0d2;
  --text-mute: #7e7ba2;
  --danger: #ef6a6a;
  --green: #5ec98a;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 15px;
  line-height: 1.5;
}

.admin-header {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 18px 32px;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 9, 26, 0.6);
}
.admin-header h1 {
  font-family: "Cormorant Garamond", serif;
  font-weight: 500;
  font-size: 22px;
  margin: 0;
  flex: 1;
  color: var(--gold);
  letter-spacing: 0.02em;
}
.brand {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.1em;
}
.brand:hover { color: var(--gold); }

.admin-wrap {
  max-width: 1100px;
  margin: 36px auto;
  padding: 0 32px;
  display: grid;
  gap: 28px;
}

.panel {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.panel-head {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.panel-head h2 {
  font-family: "Cormorant Garamond", serif;
  font-weight: 500;
  font-size: 22px;
  margin: 0;
  color: var(--gold);
}

.primary-btn, .ghost-btn, .danger-btn {
  font-family: inherit;
  border-radius: 8px;
  padding: 9px 18px;
  font-size: 13px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .2s;
  letter-spacing: 0.04em;
}
.primary-btn {
  background: var(--gold);
  color: #1d1c1c;
  font-weight: 500;
}
.primary-btn:hover { background: var(--gold-bright); }
.ghost-btn {
  background: transparent;
  color: var(--text-soft);
  border-color: var(--border);
}
.ghost-btn:hover { color: var(--gold); border-color: var(--gold); }
.danger-btn {
  background: transparent;
  color: var(--danger);
  border-color: rgba(239, 106, 106, 0.4);
}
.danger-btn:hover { background: var(--danger); color: #fff; }

.books-list { padding: 8px 16px 18px; }
.loading { color: var(--text-mute); padding: 20px; text-align: center; }

.book-row {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: background .2s, border-color .2s;
}
.book-row:hover {
  background: rgba(233, 196, 106, 0.04);
  border-color: var(--border);
}
.book-row + .book-row { margin-top: 4px; }
.book-row img {
  width: 60px; height: 80px;
  object-fit: cover;
  border-radius: 6px;
  background: var(--bg);
}
.book-row .info { min-width: 0; }
.book-row .info .title-row {
  font-family: "Cormorant Garamond", serif;
  font-size: 19px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 4px;
}
.book-row .info .meta-row {
  font-size: 12px;
  color: var(--text-mute);
  letter-spacing: 0.06em;
}
.book-row .actions { display: flex; gap: 8px; }

form { padding: 20px 24px 28px; display: grid; gap: 16px; }
label { display: grid; gap: 6px; font-size: 13px; }
label > span {
  color: var(--text-soft);
  letter-spacing: 0.04em;
  font-size: 12px;
  text-transform: uppercase;
}
label em {
  color: var(--text-mute);
  font-style: italic;
  text-transform: none;
  letter-spacing: 0;
}
input[type="text"],
input[type="number"],
textarea {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 15px;
  resize: vertical;
}
input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--gold);
}
input[type="file"] {
  font-family: inherit;
  font-size: 13px;
  color: var(--text-soft);
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 8px;
}
#form-status {
  font-size: 13px;
  color: var(--text-mute);
}
#form-status.ok { color: var(--green); }
#form-status.err { color: var(--danger); }

@media (max-width: 700px) {
  .grid-2 { grid-template-columns: 1fr; }
  .admin-header { padding: 14px 18px; }
  .admin-wrap { padding: 0 18px; margin: 20px auto; }
  .book-row { grid-template-columns: 50px 1fr; row-gap: 10px; }
  .book-row .actions { grid-column: 1 / -1; }
}