:root {
  --app-bg: #f6f7fb;
  --app-panel: #ffffff;
  --app-panel-2: #fbfcff;
  --app-text: #182233;
  --app-muted: #6b7280;
  --app-line: #dfe4ec;
  --app-primary: #2563eb;
  --app-primary-dark: #1d4ed8;
  --app-accent: #10b981;
  --app-warm: #f59e0b;
  --app-danger: #ef4444;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 24px rgba(15, 23, 42, 0.08);
}

html {
  min-height: 100%;
  font-size: 15px;
}

body {
  min-height: 100vh;
  color: var(--app-text);
  background:
    linear-gradient(180deg, #eef3ff 0, rgba(246, 247, 251, 0) 260px),
    var(--app-bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
}

a {
  color: var(--app-primary);
  text-decoration: none;
}

a:hover {
  color: var(--app-primary-dark);
}

.btn {
  border-radius: 8px;
  font-weight: 650;
}

.btn-primary {
  background: var(--app-primary);
  border-color: var(--app-primary);
}

.btn-primary:hover {
  background: var(--app-primary-dark);
  border-color: var(--app-primary-dark);
}

.btn-outline-primary {
  border-color: rgba(37, 99, 235, 0.35);
  color: var(--app-primary);
}

.btn-outline-secondary {
  border-color: var(--app-line);
  color: var(--app-text);
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.14);
}

.form-control {
  min-height: 42px;
  border-color: var(--app-line);
  border-radius: 8px;
}

.app-navbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(223, 228, 236, 0.8);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
}

.app-navbar .navbar-toggler {
  border: 0;
  padding: 0.35rem 0.45rem;
}

.app-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--app-text);
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: block;
  width: 34px;
  height: 34px;
  object-fit: cover;
  border-radius: 9px;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.2);
}

.app-navbar .nav-link {
  color: #334155;
  font-weight: 650;
  border-radius: 8px;
  padding: 0.55rem 0.75rem;
}

.app-navbar .nav-link:hover {
  color: var(--app-primary);
  background: rgba(37, 99, 235, 0.07);
}

.page-shell {
  min-height: calc(100vh - 122px);
}

.page-content {
  padding-top: 1.5rem;
  padding-bottom: 2rem;
}

.app-footer {
  color: var(--app-muted);
  border-top: 1px solid var(--app-line);
  padding: 1.1rem 0;
}

.hero-panel {
  display: grid;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
  padding: 1.35rem;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(24, 34, 51, 0.92), rgba(37, 99, 235, 0.82)),
    url("/images/sample-page.svg") center 38% / cover;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.hero-panel h1 {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 800;
}

.hero-panel p {
  max-width: 720px;
  margin: 0;
  color: rgba(255, 255, 255, 0.84);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.section-head h1,
.section-head h2 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
}

.manga-card {
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--app-line);
  border-radius: 8px;
  background: var(--app-panel);
  box-shadow: var(--shadow-sm);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.manga-card:hover {
  transform: translateY(-3px);
  border-color: rgba(37, 99, 235, 0.26);
  box-shadow: var(--shadow-md);
}

.manga-card-link {
  display: grid;
  height: 100%;
  color: inherit;
}

.manga-card-link:hover {
  color: inherit;
}

.manga-cover {
  position: relative;
  overflow: hidden;
  background: #e8edf5;
}

.manga-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 220ms ease;
}

.manga-card:hover .manga-cover img {
  transform: scale(1.035);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  padding: 0.24rem 0.55rem;
  color: #075985;
  background: #e0f2fe;
  border: 1px solid #bae6fd;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 750;
}

.manga-card-body {
  display: grid;
  gap: 0.45rem;
  padding: 0.8rem;
}

.manga-title {
  display: -webkit-box;
  min-height: 2.45em;
  margin: 0;
  overflow: hidden;
  color: var(--app-text);
  font-size: 0.98rem;
  font-weight: 800;
  line-height: 1.22;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.read-link {
  color: var(--app-primary);
  font-weight: 650;
}

.pager-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 1.25rem;
}

.pager-ellipsis {
  color: var(--app-muted);
  padding: 0 0.2rem;
}

.surface {
  background: var(--app-panel);
  border: 1px solid var(--app-line);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

.surface-pad {
  padding: 1rem;
}

.detail-cover {
  width: 100%;
  max-height: 460px;
  object-fit: cover;
  border: 1px solid var(--app-line);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

.chapter-list .list-group-item {
  border-color: var(--app-line);
  padding: 0.9rem 1rem;
}

.chapter-list .list-group-item:hover {
  background: rgba(37, 99, 235, 0.06);
}

.ratio-3x4 {
  --bs-aspect-ratio: 133.333%;
}

.reader {
  max-width: 1040px;
  margin: 0 auto;
}

.reader-toolbar {
  position: sticky;
  top: 66px;
  z-index: 100;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--app-line);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
}

.reader-nav {
  display: flex;
  flex: 1 1 420px;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.reader-chapter-select {
  max-width: min(460px, 100%);
}

.category-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.reader-page {
  display: block;
  width: 100%;
  max-width: 940px;
  margin: 0 auto 2px;
  background: #fff;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.auth-panel {
  max-width: 460px;
  margin: 2rem auto;
  padding: 1.25rem;
}

.table-shell {
  overflow-x: auto;
  border: 1px solid var(--app-line);
  border-radius: 8px;
  background: var(--app-panel);
  box-shadow: var(--shadow-sm);
}

.app-table {
  min-width: 680px;
  margin-bottom: 0;
}

.app-table thead th {
  color: #475569;
  background: var(--app-panel-2);
  border-bottom-color: var(--app-line);
  font-size: 0.78rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.app-table td,
.app-table th {
  padding: 0.85rem 1rem;
  vertical-align: middle;
}

.metric {
  display: grid;
  gap: 0.2rem;
  padding: 1rem;
}

.metric span {
  color: var(--app-muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.metric strong {
  font-size: 1.85rem;
  line-height: 1;
}

.admin-form {
  padding: 1rem;
  margin-bottom: 1rem;
}

.empty-state {
  padding: 2rem 1rem;
  color: var(--app-muted);
  text-align: center;
}

@media (max-width: 767.98px) {
  html {
    font-size: 14px;
  }

  .page-content {
    padding-top: 1rem;
  }

  .hero-panel {
    padding: 1rem;
  }

  .hero-panel h1 {
    font-size: 1.45rem;
  }

  .manga-card-body {
    padding: 0.65rem;
  }

  .reader-toolbar {
    top: 58px;
    align-items: flex-start;
  }

  .reader-page {
    margin-bottom: 1px;
  }
}

@media (min-width: 992px) {
  .page-content {
    padding-top: 2rem;
  }
}

.admin-body {
  min-height: 100vh;
  background: #eef2f7;
}

.admin-shell {
  min-height: 100vh;
}

.admin-sidebar {
  position: sticky;
  top: 0;
  z-index: 1040;
  display: grid;
  gap: 1rem;
  padding: 0.85rem;
  color: #fff;
  background: #162033;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.18);
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: #fff;
  padding: 0.35rem;
}

.admin-brand:hover {
  color: #fff;
}

.admin-brand strong,
.admin-brand small {
  display: block;
  line-height: 1.15;
}

.admin-brand small {
  color: #aeb9ca;
  font-size: 0.76rem;
  font-weight: 650;
}

.admin-nav {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding-bottom: 0.1rem;
}

.admin-nav a {
  flex: 0 0 auto;
  color: #dbe6f7;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  font-weight: 750;
}

.admin-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.admin-password-input {
  min-width: 150px;
}

.admin-main {
  min-width: 0;
}

.admin-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--app-line);
}

.admin-topbar h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 850;
}

.admin-eyebrow {
  display: block;
  color: var(--app-muted);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.admin-content {
  padding: 1rem;
}

.admin-hero {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 1rem;
  padding: 1.1rem;
  color: #fff;
  background: linear-gradient(135deg, #1f2a44, #2563eb);
  border-radius: 8px;
  box-shadow: var(--shadow-md);
}

.admin-hero h2 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 850;
}

.admin-hero p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}

.admin-card {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--app-line);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

.admin-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--app-primary);
}

.admin-card .metric {
  padding-left: 1.2rem;
}

.admin-card:nth-child(2)::before {
  background: var(--app-accent);
}

.admin-card:nth-child(3)::before {
  background: var(--app-warm);
}

.admin-panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 1.25rem 0 0.75rem;
}

.admin-panel-title h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 850;
}

.admin-form .form-control {
  background: #fff;
}

.admin-form-label {
  display: block;
  color: var(--app-muted);
  font-size: 0.78rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
}

@media (min-width: 992px) {
  .admin-shell {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
  }

  .admin-sidebar {
    align-content: start;
    min-height: 100vh;
    padding: 1rem;
  }

  .admin-nav {
    display: grid;
    gap: 0.35rem;
    overflow: visible;
  }

  .admin-nav a {
    width: 100%;
  }

  .admin-topbar {
    position: sticky;
    top: 0;
    z-index: 1020;
    padding: 1rem 1.5rem;
  }

  .admin-content {
    padding: 1.5rem;
  }
}

@media (max-width: 575.98px) {
  .admin-topbar {
    align-items: flex-start;
  }

  .admin-actions,
  .admin-actions .btn,
  .admin-actions form {
    width: 100%;
  }

  .admin-actions {
    display: grid;
  }
}