@import url('https://fonts.googleapis.com/css2?family=Bangers&family=Noto+Sans+JP:wght@400;700;900&display=swap');

:root {
  --ink: #1a1a1a;
  --paper: #f5f0e8;
  --paper-dark: #e8e0d0;
  --accent: #e63946;
  --gold: #f4a261;
  --panel-border: 3px solid #1a1a1a;
  --panel-shadow: 4px 4px 0px #1a1a1a;
  --radius: 0;
}

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

body {
  background: var(--ink);
  min-height: 100vh;
  font-family: 'Noto Sans JP', sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
}

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: var(--accent); border: 2px solid var(--ink); }

/* ── HEADER ── */
header {
  width: 100%;
  background: var(--accent);
  border-bottom: 4px solid var(--ink);
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  flex-wrap: wrap;
  gap: 10px;
}
header h1 {
  font-family: 'Bangers', cursive;
  font-size: 2.2rem;
  color: #fff;
  letter-spacing: 3px;
  text-shadow: 3px 3px 0 var(--ink);
  cursor: pointer;
  transition: transform .1s;
}
header h1:active { transform: translate(1px,1px); text-shadow: 2px 2px 0 var(--ink); }
header .header-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* ── BUTTONS ── */
.btn {
  font-family: 'Bangers', cursive;
  font-size: 1rem;
  letter-spacing: 1.5px;
  padding: 8px 18px;
  border: 3px solid var(--ink);
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .1s, box-shadow .1s;
  background: #fff;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}
.btn:active { transform: translate(2px,2px); box-shadow: 1px 1px 0 var(--ink); }
.btn-red { background: var(--ink); color: #fff; }
.btn-gold { background: var(--gold); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-sm { font-size: .85rem; padding: 5px 12px; }
.btn-danger { background: #c0392b; color: #fff; border-color: #8a1a1a; box-shadow: 3px 3px 0 #8a1a1a; }

/* ── CONTAINER ── */
.container {
  width: 100%;
  max-width: 1100px;
  padding: 32px 16px 60px;
}

/* ── HERO ── */
.hero {
  background: var(--paper);
  border: 4px solid var(--ink);
  box-shadow: var(--panel-shadow);
  padding: 40px 32px;
  text-align: center;
  margin-bottom: 36px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 30px, rgba(0,0,0,.025) 30px, rgba(0,0,0,.025) 31px);
  pointer-events: none;
}
.hero h1 {
  font-family: 'Bangers', cursive;
  font-size: 3.5rem;
  letter-spacing: 4px;
  color: var(--ink);
  position: relative;
  z-index: 1;
}
.hero h1 .highlight { color: var(--accent); text-shadow: 2px 2px 0 var(--ink); }
.hero p {
  color: var(--ink);
  font-size: 1rem;
  margin-top: 8px;
  opacity: .7;
  position: relative;
  z-index: 1;
}

.hero .speed-lines {
  position: absolute;
  inset: 0;
  background: repeating-conic-gradient(from 0deg at 50% 50%, rgba(230,57,70,.06) 0deg, transparent 3deg);
  pointer-events: none;
}

/* ── SECTION HEADER ── */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding: 10px 16px;
  background: var(--ink);
  border: var(--panel-border);
}
.section-header h2 {
  font-family: 'Bangers', cursive;
  font-size: 1.5rem;
  letter-spacing: 2px;
  color: var(--gold);
}
.section-header span {
  font-family: 'Bangers', cursive;
  font-size: .9rem;
  color: rgba(255,255,255,.4);
  letter-spacing: 2px;
}

/* ── MANGA GRID ── */
.manga-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

.manga-card {
  background: var(--paper);
  border: 4px solid var(--ink);
  box-shadow: var(--panel-shadow);
  overflow: hidden;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s;
  text-decoration: none;
  color: var(--ink);
  display: block;
}
.manga-card:active { transform: translate(2px,2px); box-shadow: 2px 2px 0 var(--ink); }
.manga-card .poster-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--paper-dark);
  border-bottom: 3px solid var(--ink);
}
.manga-card .poster-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.manga-card .poster-wrap .no-poster {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  font-family: 'Bangers', cursive;
  font-size: 3rem;
  color: rgba(0,0,0,.15);
  background: var(--paper-dark);
}
.manga-card .info {
  padding: 12px 14px;
}
.manga-card .info h3 {
  font-family: 'Bangers', cursive;
  font-size: 1.2rem;
  letter-spacing: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}
.manga-card .info .meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  font-size: .75rem;
}
.manga-card .info .meta .tag {
  background: var(--accent);
  color: #fff;
  padding: 1px 8px;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .5px;
  border: 1.5px solid var(--ink);
}

/* ── EMPTY STATE ── */
.empty-state {
  grid-column: 1 / -1;
  background: var(--paper);
  border: 4px dashed var(--ink);
  padding: 60px 20px;
  text-align: center;
  opacity: .6;
}
.empty-state .icon { font-size: 3rem; margin-bottom: 8px; }
.empty-state h3 {
  font-family: 'Bangers', cursive;
  font-size: 1.4rem;
  letter-spacing: 2px;
  color: var(--ink);
}
.empty-state p { font-size: .85rem; margin-top: 4px; }

/* ── MANGA DETAIL ── */
.manga-detail-header {
  background: var(--paper);
  border: 4px solid var(--ink);
  box-shadow: var(--panel-shadow);
  padding: 24px;
  display: flex;
  gap: 28px;
  align-items: flex-start;
  margin-bottom: 28px;
  position: relative;
}
.manga-detail-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 30px, rgba(0,0,0,.02) 30px, rgba(0,0,0,.02) 31px);
  pointer-events: none;
}
.manga-detail-header .poster {
  width: 240px;
  min-width: 240px;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--paper-dark);
  border: 3px solid var(--ink);
  position: relative;
  z-index: 1;
}
.manga-detail-header .poster img { width: 100%; height: 100%; object-fit: cover; display: block; }
.manga-detail-header .poster .no-poster {
  display: flex; align-items: center; justify-content: center;
  height: 100%; font-family: 'Bangers', cursive; font-size: 4rem; color: rgba(0,0,0,.1);
}
.manga-detail-header .detail-info { flex: 1; position: relative; z-index: 1; }
.manga-detail-header .detail-info h1 {
  font-family: 'Bangers', cursive;
  font-size: 2.4rem;
  letter-spacing: 2px;
  margin-bottom: 6px;
  line-height: 1.1;
}
.manga-detail-header .detail-info .author {
  font-weight: 700;
  color: var(--accent);
  font-size: .95rem;
  margin-bottom: 10px;
}
.manga-detail-header .detail-info .desc {
  font-size: .85rem;
  line-height: 1.7;
  opacity: .8;
  margin-bottom: 12px;
}
.manga-detail-header .detail-info .genres { display: flex; gap: 6px; flex-wrap: wrap; }
.manga-detail-header .detail-info .genres .tag {
  background: var(--ink);
  color: #fff;
  padding: 3px 12px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: 1px;
  border: 2px solid var(--ink);
}

/* ── CHAPTER GRID (with poster + description) ── */
.chapter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  margin-bottom: 40px;
}
.chapter-card {
  display: flex;
  background: var(--paper);
  border: 3px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  text-decoration: none;
  color: var(--ink);
  transition: transform .1s, box-shadow .1s;
  cursor: pointer;
  overflow: hidden;
}
.chapter-card:active { transform: translate(2px,2px); box-shadow: 1px 1px 0 var(--ink); }
.ch-card-poster {
  width: 90px;
  min-height: 120px;
  flex-shrink: 0;
  background: var(--paper-dark);
  border-right: 3px solid var(--ink);
}
.ch-card-poster img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ch-card-poster .no-poster.ch {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Bangers', cursive;
  font-size: 1.6rem;
  color: rgba(0,0,0,.15);
}
.ch-card-info {
  padding: 10px 14px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.ch-card-info .ch-number {
  font-family: 'Bangers', cursive;
  font-size: 1rem;
  letter-spacing: 1px;
  color: var(--accent);
}
.ch-card-info .ch-title {
  font-size: .85rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ch-card-info .ch-desc {
  font-size: .72rem;
  opacity: .5;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ch-card-info .ch-pages {
  font-family: 'Bangers', cursive;
  font-size: .75rem;
  color: rgba(0,0,0,.3);
  letter-spacing: 1px;
  margin-top: auto;
}

/* ── READER (Detail/Chapter-select view) ── */
.reader-detail {
  background: var(--ink);
  min-height: 100vh;
  width: 100%;
}

/* ── PAGE READER (actual chapter pages) ── */
.reader-viewer {
  width: 100%;
  background: #000;
  min-height: 100vh;
}
.reader-viewer .reader-header {
  width: 100%;
  background: var(--ink);
  border-bottom: 3px solid rgba(255,255,255,.1);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.reader-viewer .reader-header .back-btn {
  font-family: 'Bangers', cursive;
  font-size: .95rem;
  color: rgba(255,255,255,.5);
  text-decoration: none;
  letter-spacing: 2px;
  transition: color .15s;
  display: flex;
  align-items: center;
  gap: 6px;
}
.reader-viewer .reader-header .back-btn:hover { color: var(--gold); }
.reader-viewer .reader-header .reader-title {
  font-family: 'Bangers', cursive;
  font-size: 1.1rem;
  letter-spacing: 2px;
  color: var(--gold);
}
.reader-pages {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 4px 0;
}
.reader-pages img {
  width: 100%;
  max-width: 820px;
  display: block;
  background: var(--paper);
}

/* ── ADMIN ── */
.admin-login-wrap {
  width: 100%;
  max-width: 420px;
  margin: 80px auto;
  background: var(--paper);
  border: 4px solid var(--ink);
  box-shadow: var(--panel-shadow);
  padding: 36px 28px;
  text-align: center;
  position: relative;
}
.admin-login-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 30px, rgba(0,0,0,.02) 30px, rgba(0,0,0,.02) 31px);
  pointer-events: none;
}
.admin-login-wrap h1 {
  font-family: 'Bangers', cursive;
  font-size: 2rem;
  letter-spacing: 3px;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}
.admin-login-wrap input {
  width: 100%;
  padding: 12px 14px;
  background: #fff;
  border: 3px solid var(--ink);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: .95rem;
  outline: none;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.admin-login-wrap .btn { width: 100%; justify-content: center; position: relative; z-index: 1; }

/* ── ADMIN PANEL ── */
.admin-panel { padding-top: 0; width: 100%; }

.admin-manga-card {
  background: var(--paper);
  border: 4px solid var(--ink);
  box-shadow: var(--panel-shadow);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}
.admin-manga-card .thumb {
  width: 56px;
  height: 76px;
  overflow: hidden;
  background: var(--paper-dark);
  border: 2px solid var(--ink);
  flex-shrink: 0;
}
.admin-manga-card .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.admin-manga-card .thumb .no-thumb {
  display: flex; align-items: center; justify-content: center;
  height: 100%; font-family: 'Bangers', cursive; font-size: 1.5rem; color: rgba(0,0,0,.15);
}
.admin-manga-card .admin-manga-info { flex: 1; }
.admin-manga-card .admin-manga-info h4 {
  font-family: 'Bangers', cursive;
  font-size: 1.1rem;
  letter-spacing: 1px;
}
.admin-manga-card .admin-manga-info .sub { font-size: .75rem; opacity: .6; }
.admin-manga-card .admin-manga-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── FORM ── */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-family: 'Bangers', cursive;
  font-size: .9rem;
  letter-spacing: 1.5px;
  margin-bottom: 4px;
  color: var(--ink);
}
.form-group input, .form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: #fff;
  border: 3px solid var(--ink);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: .9rem;
  outline: none;
}
.form-group textarea { resize: vertical; min-height: 80px; }

/* ── DROPZONE ── */
.dropzone {
  border: 4px dashed rgba(0,0,0,.2);
  padding: 32px 20px;
  text-align: center;
  color: rgba(0,0,0,.35);
  cursor: pointer;
  transition: border-color .2s, background .2s;
  margin-bottom: 16px;
}
.dropzone:hover, .dropzone.dragover { border-color: var(--accent); background: rgba(230,57,70,.04); }
.dropzone .dz-icon { font-size: 2rem; margin-bottom: 6px; }
.dropzone .dz-text { font-size: .85rem; }
.dropzone .dz-hint { font-size: .7rem; margin-top: 4px; }

/* ── PREVIEW LIST ── */
.preview-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 6px;
  margin: 12px 0;
}
.preview-list .preview-item {
  aspect-ratio: 3/4;
  overflow: hidden;
  border: 2px solid var(--ink);
  background: var(--paper-dark);
}
.preview-list .preview-item img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ── MODAL ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal {
  background: var(--paper);
  border: 4px solid var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
  padding: 28px;
  max-width: 600px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
}
.modal h2 {
  font-family: 'Bangers', cursive;
  font-size: 1.6rem;
  letter-spacing: 2px;
  margin-bottom: 20px;
}
.modal-actions { display: flex; gap: 12px; margin-top: 20px; flex-wrap: wrap; }

/* ── TOAST ── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  background: var(--paper);
  border: 3px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  padding: 12px 20px;
  font-family: 'Bangers', cursive;
  font-size: .95rem;
  letter-spacing: 1px;
  transform: translateY(80px);
  opacity: 0;
  transition: all .3s;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { border-color: #2ecc71; box-shadow: 3px 3px 0 #2ecc71; }
.toast.error { border-color: var(--accent); box-shadow: 3px 3px 0 var(--accent); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  header { padding: 10px 16px; }
  header h1 { font-size: 1.6rem; text-shadow: 2px 2px 0 var(--ink); }
  .hero h1 { font-size: 2rem; }
  .manga-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px; }
  .manga-detail-header { flex-direction: column; align-items: center; text-align: center; padding: 18px; }
  .manga-detail-header .poster { width: 180px; min-width: 180px; }
  .manga-detail-header .detail-info .genres { justify-content: center; }
  .container { padding: 20px 12px 40px; }
  .reader-pages img { max-width: 100%; }
  .btn { font-size: .85rem; padding: 6px 14px; }
}

/* ── EMPTY STATE ── */
.empty-state { grid-column: 1 / -1; text-align: center; padding: 60px 20px; }
.empty-state h3 { font-size: 1.5rem; color: var(--accent); margin-bottom: 8px; }
.empty-state p { opacity: .4; font-size: .85rem; }

/* ── SEARCH & FILTER ── */
.search-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.search-bar input {
  flex: 1;
  min-width: 200px;
  padding: 12px 16px;
  background: var(--paper);
  border: 3px solid var(--ink);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: .9rem;
  outline: none;
}
.search-bar input::placeholder { color: rgba(0,0,0,.3); }
.genre-filters {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.genre-filters .filter-tag {
  padding: 4px 14px;
  background: var(--paper);
  border: 2px solid var(--ink);
  font-family: 'Bangers', cursive;
  font-size: .8rem;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all .1s;
  color: var(--ink);
}
.genre-filters .filter-tag.active { background: var(--accent); color: #fff; }
.genre-filters .filter-tag:hover { transform: translate(-1px,-1px); }

/* ── READER NAV ── */
.reader-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  max-width: 820px;
  margin: 20px auto 40px;
  padding: 0 16px;
}
.reader-nav .nav-btn {
  font-family: 'Bangers', cursive;
  font-size: .95rem;
  letter-spacing: 2px;
  padding: 10px 20px;
  background: var(--ink);
  border: 2px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.6);
  cursor: pointer;
  transition: all .15s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.reader-nav .nav-btn:hover { color: var(--gold); border-color: var(--gold); }
.reader-nav .nav-btn:active { transform: translate(1px,1px); }
.reader-nav .nav-btn.disabled { opacity: .25; pointer-events: none; }

/* ── READING PROGRESS BADGE ── */
.progress-badge {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background: var(--accent);
  color: #fff;
  font-family: 'Bangers', cursive;
  font-size: .65rem;
  letter-spacing: 1px;
  padding: 2px 8px;
  border: 2px solid var(--ink);
}

/* ── SWIPE HINT ── */
.swipe-hint {
  text-align: center;
  font-size: .7rem;
  color: rgba(255,255,255,.15);
  font-family: 'Noto Sans JP', sans-serif;
  padding: 2px 0 8px;
  max-width: 820px;
  margin: 0 auto;
}

/* ── LOADING SPINNER (comic style) ── */
.loading-comic {
  text-align: center;
  padding: 60px 20px;
  font-family: 'Bangers', cursive;
  font-size: 1.5rem;
  letter-spacing: 4px;
  color: var(--gold);
  animation: pulse 1s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: .3; } 50% { opacity: 1; } }