.dashboard-body {
  display: grid;
  min-height: 100vh;
  background:
    radial-gradient(circle at 100% 0, rgba(99,102,241,.16), transparent 30%),
    #0a0a0f;
}

.sidebar {
  display: none;
  border-right: 1px solid var(--line);
  background: rgba(18,18,27,.9);
  padding: 20px;
}

.sidebar nav {
  display: grid;
  gap: 8px;
  margin-top: 34px;
}

.sidebar nav a {
  border-radius: var(--radius);
  padding: 12px;
  color: var(--muted);
  font-weight: 800;
}

.sidebar nav a.active,
.sidebar nav a:hover {
  background: rgba(99,102,241,.16);
  color: #fff;
}

.plan-card {
  margin-top: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  background: rgba(255,255,255,.04);
}

.plan-card small { color: var(--muted); }
.plan-card strong { display: block; margin: 8px 0 14px; font-size: 24px; }

.dashboard-main {
  min-width: 0;
  padding: 18px;
}

.dashboard-top {
  display: grid;
  gap: 18px;
  align-items: start;
  margin-bottom: 18px;
}

.dashboard-top h1 {
  margin-top: 8px;
  font-size: clamp(34px, 7vw, 64px);
  line-height: .95;
}

.dashboard-top p:not(.eyebrow) {
  max-width: 860px;
  color: var(--muted);
  line-height: 1.7;
}

.auth-box,
.user-box {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  background: rgba(255,255,255,.04);
}

.auth-box input {
  min-width: 0;
  flex: 1;
}

.auth-box button,
.user-box button,
.export-actions button,
.regenerate-button,
.generate-button,
.api-actions button {
  min-height: 44px;
  border: 0;
  border-radius: var(--radius);
  padding: 0 16px;
  background: var(--primary);
  color: #fff;
  font-weight: 900;
}

.user-box {
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
}

.api-admin-panel {
  display: grid;
  gap: 18px;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18,18,27,.86);
  padding: 18px;
  box-shadow: 0 24px 80px rgba(0,0,0,.18);
}

.api-admin-panel h2 {
  margin-top: 8px;
}

.api-admin-panel p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.7;
}

.api-config-form {
  display: grid;
  gap: 12px;
}

.api-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: end;
}

.api-actions button:nth-child(2) {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
}

.api-status {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  color: #fef3c7;
  background: rgba(245,158,11,.1);
  font-size: 13px;
  font-weight: 800;
}

.workspace {
  display: grid;
  gap: 18px;
}

.generator-card,
.status-panel,
.preview-toolbar,
.cover-preview,
.book-preview,
.history-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18,18,27,.86);
  box-shadow: 0 24px 80px rgba(0,0,0,.22);
}

.generator-card {
  display: grid;
  gap: 15px;
  padding: 18px;
}

.form-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.form-head span,
.form-note { color: var(--muted); font-size: 13px; font-weight: 700; }

label {
  display: grid;
  gap: 8px;
  color: #e4e4e7;
  font-size: 13px;
  font-weight: 900;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0f0f17;
  color: #fff;
  outline: none;
  padding: 12px;
}

textarea { resize: vertical; line-height: 1.6; }
input:focus, textarea:focus, select:focus { border-color: var(--primary-2); box-shadow: 0 0 0 3px rgba(99,102,241,.18); }

.field-grid {
  display: grid;
  gap: 12px;
}

.generate-button {
  min-height: 58px;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  box-shadow: 0 18px 60px rgba(99,102,241,.34);
  font-size: 16px;
}

.generate-button.loading {
  position: relative;
  overflow: hidden;
  pointer-events: none;
}

.generate-button.loading::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.28), transparent);
  animation: sweep 1s linear infinite;
}

@keyframes sweep {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}

.status-panel {
  display: grid;
  gap: 20px;
  align-content: start;
  padding: 18px;
}

.progress-shell {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 12px;
  padding: 30px 10px;
}

.progress-ring {
  display: grid;
  width: 150px;
  height: 150px;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--primary) 0deg, rgba(255,255,255,.08) 0deg);
  color: white;
  font-size: 28px;
  font-weight: 900;
}

.progress-shell p { margin: 0; color: var(--muted); line-height: 1.7; }

.mini-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.mini-stats div {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: rgba(255,255,255,.04);
}

.mini-stats strong { display: block; color: var(--accent); font-size: 24px; }
.mini-stats span { color: var(--muted); font-size: 12px; font-weight: 800; }

.preview-grid {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.preview-toolbar {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.export-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.export-actions button { background: rgba(255,255,255,.08); border: 1px solid var(--line); }

.cover-preview {
  --cover-a: #111827;
  --cover-b: #4f46e5;
  --cover-c: #f59e0b;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 38px;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, color-mix(in srgb, var(--cover-c) 72%, transparent), transparent 18rem),
    linear-gradient(145deg, var(--cover-a), var(--cover-b) 64%, #1f2937);
  color: #fff;
  position: relative;
}

.cover-preview::before {
  content: "";
  position: absolute;
  inset: 22px;
  border: 1px solid rgba(255,255,255,.22);
  pointer-events: none;
}

.cover-band,
.cover-author {
  position: relative;
  z-index: 1;
  width: fit-content;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: var(--radius);
  padding: 10px 12px;
  background: rgba(10,10,15,.35);
  color: #fef3c7;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
}

.cover-title-block {
  position: relative;
  z-index: 1;
}

.cover-preview h2 {
  max-width: 520px;
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(42px, 9vw, 92px);
  line-height: .9;
}

.cover-preview p { max-width: 520px; color: #fff7ed; font-size: 18px; line-height: 1.6; }
.cover-preview strong { color: #fef3c7; }

.book-preview {
  padding: clamp(18px, 4vw, 44px);
  background: #f8f5ef;
  color: #171717;
}

.book-preview .paper {
  max-width: 820px;
  margin: 0 auto;
  font-family: Georgia, serif;
  line-height: 1.75;
}

.book-page {
  min-height: 900px;
  margin: 0 auto 28px;
  padding: 72px 62px 58px;
  background: #fffdf8;
  border: 1px solid #e7dccb;
  box-shadow: 0 16px 50px rgba(23, 23, 23, .08);
  page-break-after: always;
}

.title-page {
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.title-page .book-label {
  color: #8a6b2d;
  font-family: Inter, sans-serif;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.title-page .subtitle {
  max-width: 620px;
  margin: 20px auto 0;
  color: #574d42;
  font-size: 22px;
}

.title-page .byline {
  margin-top: 90px;
  font-family: Inter, sans-serif;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.chapter-kicker {
  display: block;
  color: #8a6b2d;
  font-family: Inter, sans-serif;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.chapter-intro {
  border-left: 3px solid #f59e0b;
  padding-left: 18px;
  color: #3f3429;
  font-size: 18px;
}

.metadata-grid {
  display: grid;
  gap: 12px;
  margin: 22px 0;
}

.metadata-grid div,
.exercise-box {
  border: 1px solid #ddd2c2;
  border-radius: 8px;
  background: #fff7e8;
  padding: 16px;
}

.metadata-grid strong,
.metadata-grid span {
  display: block;
}

.metadata-grid strong {
  color: #8a6b2d;
  font-family: Inter, sans-serif;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.toc-list {
  display: grid;
  gap: 14px;
  padding-left: 0;
  list-style: none;
}

.toc-list li {
  display: grid;
  gap: 4px;
  border-bottom: 1px solid #e7dccb;
  padding-bottom: 14px;
}

.toc-list span {
  color: #8a6b2d;
  font-family: Inter, sans-serif;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.toc-list em {
  color: #675c4f;
  font-style: normal;
}

.book-preview h1,
.book-preview h2,
.book-preview h3 {
  font-family: "Playfair Display", Georgia, serif;
  color: #111;
}

.book-preview h1 { font-size: 44px; line-height: 1; }
.book-preview h2 { margin-top: 12px; margin-bottom: 28px; font-size: 34px; line-height: 1.12; }
.book-preview h3 { margin-top: 34px; margin-bottom: 14px; font-size: 22px; }
.book-preview p { margin-top: 0; margin-bottom: 18px; font-size: 17px; }
.book-preview .metadata { border: 1px solid #ddd2c2; padding: 18px; background: #fffaf1; }

.regenerate-button {
  width: fit-content;
  background: var(--accent);
  color: #111827;
}

.history-panel {
  display: grid;
  gap: 16px;
  margin-top: 18px;
  padding: 18px;
}

.history-list {
  display: grid;
  gap: 10px;
}

.history-item {
  display: grid;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: rgba(255,255,255,.04);
}

.history-item button {
  justify-self: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.06);
  color: #fff;
  padding: 8px 12px;
  font-weight: 800;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: 360px;
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  border-radius: var(--radius);
  background: #fff;
  color: #111827;
  padding: 14px 16px;
  font-weight: 800;
  box-shadow: 0 24px 80px rgba(0,0,0,.35);
  transition: .22s ease;
}

.toast.show { transform: translateY(0); opacity: 1; }

@media (min-width: 760px) {
  .field-grid { grid-template-columns: repeat(2, 1fr); }
  .metadata-grid { grid-template-columns: repeat(2, 1fr); }
  .api-config-form { grid-template-columns: 180px 1fr 1fr 140px; align-items: end; }
  .api-actions { grid-column: 1 / -1; }
  .preview-toolbar { grid-template-columns: 1fr auto; align-items: center; }
}

@media (min-width: 1120px) {
  .dashboard-body { grid-template-columns: 280px 1fr; }
  .sidebar { display: block; position: sticky; top: 0; height: 100vh; }
  .dashboard-main { padding: 28px; }
  .dashboard-top { grid-template-columns: 1fr minmax(330px, 420px); }
  .workspace { grid-template-columns: minmax(520px, 1fr) 420px; align-items: start; }
}