/* ── Variables ── */
:root {
  --bg-base:      #0d1117;
  --bg-surface:   #161b27;
  --bg-raised:    #1e2636;
  --bg-hover:     #253047;

  --accent:       #4d9eff;
  --accent-hover: #3a8ae8;
  --accent-dim:   #1a3a5c;

  --text-primary:   #e6edf3;
  --text-secondary: #8b949e;
  --text-muted:     #484f58;

  --border:       #30363d;
  --border-accent:#4d9eff55;

  --success: #3fb950;
  --warning: #d29922;
  --danger:  #f85149;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* ── Reset ── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ── Base ── */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
  color: var(--accent-hover);
}

/* ── Header ── */
header {
  background-color: var(--bg-surface);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-accent);
  position: sticky;
  top: 0;
  z-index: 100;
}

header h1 {
  font-size: 1.5rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

nav {
  display: flex;
  gap: 1.5rem;
}

nav a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.15s;
}

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

nav a.nav-cta {
  background-color: var(--accent);
  color: #0d1117;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: background-color 0.15s, transform 0.1s;
}

nav a.nav-cta:hover {
  background-color: var(--accent-hover);
  color: #0d1117;
  text-decoration: none;
}

nav a.nav-cta:active {
  transform: scale(0.97);
}

/* ── Layout ── */
main {
  max-width: 1100px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.page-title {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  border-left: 3px solid var(--accent);
  padding-left: 0.75rem;
}

/* ── Series grid ── */
.series-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
}

.series-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  cursor: pointer;
}

.series-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 4px 20px #4d9eff22;
}

.series-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.series-card .card-body {
  padding: 1rem;
}

.series-card .card-body h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

/* ── Badges ── */
.type-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.type-badge.anime {
  background-color: #1a3a5c;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
}

.type-badge.manga {
  background-color: #1a2e40;
  color: #7ec8e3;
  border: 1px solid #2a4a60;
}

/* ── Rating ── */
.rating-display {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--warning);
}

/* ── No image placeholder ── */
.no-image {
  width: 100%;
  height: 300px;
  background-color: var(--bg-raised);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 3rem;
}

/* ── Series detail ── */
.series-detail {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
}

.series-detail img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.series-info h2 {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.series-info .synopsis {
  margin: 1rem 0;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Forms ── */
.form-container {
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 2rem;
  border-radius: var(--radius-md);
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background-color: var(--bg-raised);
  color: var(--text-primary);
  font-size: 1rem;
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px #4d9eff22;
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-group input[type="file"] {
  padding: 0;
  border: 1px dashed var(--border);
  background-color: var(--bg-raised);
  cursor: pointer;
  color: var(--text-secondary);
}

.form-group input[type="file"]::file-selector-button {
  padding: 0.6rem 1rem;
  background-color: var(--bg-hover);
  color: var(--text-primary);
  border: none;
  border-right: 1px solid var(--border);
  cursor: pointer;
  font-size: 0.9rem;
  transition: background-color 0.15s;
}

.form-group input[type="file"]::file-selector-button:hover {
  background-color: var(--accent-dim);
  color: var(--accent);
}

.form-group input[type="file"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px #4d9eff22;
}

.form-group input[type="file"]:hover {
  border-color: var(--accent);
}

/* ── Buttons ── */
.btn {
  padding: 0.6rem 1.5rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  transition: background-color 0.15s, transform 0.1s;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background-color: var(--accent);
  color: #0d1117;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
}

.btn-secondary {
  background-color: var(--bg-raised);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background-color: var(--bg-hover);
}

.btn-danger {
  background-color: var(--danger);
  color: #fff;
}

.btn-danger:hover {
  background-color: #d03a33;
}

/* ── Chapters ── */
.chapters-list {
  margin-top: 2rem;
}

.chapters-list h3 {
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.chapter-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
  margin-bottom: 0.4rem;
  border-radius: var(--radius-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color 0.15s;
}

.chapter-item:hover {
  border-color: var(--accent);
}

.chapter-item a {
  color: var(--text-primary);
  font-size: 0.95rem;
}

.chapter-item a:hover {
  color: var(--accent);
  text-decoration: none;
}

/* ── Comments ── */
.comments-section {
  margin-top: 2rem;
}

.comments-section h3 {
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.comment {
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-dim);
  padding: 1rem;
  margin-bottom: 0.8rem;
  border-radius: var(--radius-sm);
}

.comment .comment-author {
  font-weight: 600;
  color: var(--accent);
}

.comment .comment-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 0.5rem;
}

.comment .comment-content {
  margin-top: 0.4rem;
  color: var(--text-secondary);
}

/* ── Rating section ── */
.rating-section {
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
}

.rating-section label {
  color: var(--text-secondary);
  font-weight: 500;
}

.rating-section select {
  padding: 0.4rem 0.6rem;
  background-color: var(--bg-raised);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

/* ── Toolbar ── */
.toolbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 1rem;
}

.hidden {
  display: none;
}

/* ── Filters ── */
.filters {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.filters button {
  padding: 0.45rem 1rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.15s;
}

.filters button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.filters button.active {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #0d1117;
  font-weight: 600;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .series-detail {
    grid-template-columns: 1fr;
  }

  header {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }

  nav {
    gap: 1rem;
    flex-wrap: wrap;
  }
}