/* ═══════════════════════════════════════════════════════════════
   Novel Browser — Design System
   Light & Dark themes via [data-theme] on <html>
═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

/* ── Tokens ── */
:root {
  --radius:    12px;
  --radius-sm: 6px;
  --radius-lg: 20px;
  --trans:     0.2s ease;
  --shadow:    0 4px 24px rgba(0,0,0,.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.2);
}

[data-theme="dark"] {
  --bg:          #080c18;
  --bg2:         #0e1424;
  --surface:     #111827;
  --surface2:    #1a2236;
  --border:      #1e2d4a;
  --text:        #e8eeff;
  --text2:       #8fa8c8;
  --text3:       #5a7a9e;
  --accent:      #7c3aed;
  --accent2:     #a78bfa;
  --accent-glow: rgba(124,58,237,.35);
  --card-glow:   rgba(124,58,237,.15);
}

[data-theme="light"] {
  --bg:          #f0f4ff;
  --bg2:         #e8eeff;
  --surface:     #ffffff;
  --surface2:    #f8f9ff;
  --border:      #dde4f5;
  --text:        #0c1030;
  --text2:       #4a5580;
  --text3:       #8090b8;
  --accent:      #5b21b6;
  --accent2:     #7c3aed;
  --accent-glow: rgba(91,33,182,.2);
  --card-glow:   rgba(91,33,182,.08);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Noto Sans KR', sans-serif;
  background:  var(--bg);
  color:       var(--text);
  min-height:  100vh;
  transition:  background var(--trans), color var(--trans);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; border: none; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }

/* ════════════════════════════════════════════════════════════════
   HEADER
════════════════════════════════════════════════════════════════ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  padding: 0 clamp(1rem, 4vw, 2.5rem);
  display: flex; align-items: center; gap: 1.5rem;
  height: 64px;
}

.logo {
  font-size: 1.4rem; font-weight: 700; letter-spacing: -.03em;
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

.header-search {
  flex: 1; max-width: 480px; position: relative;
}
.header-search input {
  width: 100%; padding: .55rem 1rem .55rem 2.6rem;
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: 99px; color: var(--text); font-size: .9rem;
  transition: border-color var(--trans), box-shadow var(--trans);
  outline: none;
}
.header-search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.header-search .search-icon {
  position: absolute; left: .9rem; top: 50%; transform: translateY(-50%);
  color: var(--text3); pointer-events: none; font-size: .95rem;
}

.header-actions { margin-left: auto; display: flex; align-items: center; gap: .75rem; }

.btn-icon {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--surface); border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: var(--text2);
  transition: background var(--trans), border-color var(--trans), color var(--trans);
}
.btn-icon:hover { background: var(--surface2); color: var(--accent2); border-color: var(--accent); }

.user-chip {
  display: flex; align-items: center; gap: .5rem;
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: 99px; padding: .3rem .9rem .3rem .5rem;
  font-size: .85rem; color: var(--text2); cursor: pointer;
  transition: background var(--trans);
}
.user-chip:hover { background: var(--surface2); }
.user-avatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; color: white; font-weight: 600;
}

/* ════════════════════════════════════════════════════════════════
   FILTER BAR
════════════════════════════════════════════════════════════════ */
.filter-bar {
  padding: 1rem clamp(1rem, 4vw, 2.5rem);
  background: var(--bg2); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: .75rem; flex-wrap: wrap;
}

.filter-label { font-size: .8rem; color: var(--text3); font-weight: 500; }

.filter-select {
  background: var(--surface); border: 1.5px solid var(--border);
  color: var(--text); border-radius: var(--radius-sm); padding: .4rem .8rem;
  font-size: .85rem; font-family: inherit; outline: none; cursor: pointer;
  transition: border-color var(--trans);
}
.filter-select:focus { border-color: var(--accent); }

.filter-chips { display: flex; gap: .4rem; flex-wrap: wrap; }

.chip {
  padding: .35rem .85rem; border-radius: 99px; font-size: .8rem; font-weight: 500;
  border: 1.5px solid var(--border); background: var(--surface); color: var(--text2);
  cursor: pointer; transition: all var(--trans);
}
.chip:hover, .chip.active {
  background: var(--accent); border-color: var(--accent); color: white;
}

.filter-divider { width: 1px; height: 24px; background: var(--border); }

.results-count { margin-left: auto; font-size: .82rem; color: var(--text3); }

/* ════════════════════════════════════════════════════════════════
   CARDS GRID
════════════════════════════════════════════════════════════════ */
.browse-container { padding: 1.5rem clamp(1rem, 4vw, 2.5rem); }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(195px, 1fr));
  gap: 1.25rem;
}

/* ── Novel Card ── */
.novel-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; cursor: pointer;
  transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
  animation: fadeUp .35s ease both;
}
.novel-card:hover {
  transform: translateY(-4px) scale(1.015);
  box-shadow: 0 12px 40px var(--card-glow), 0 2px 8px rgba(0,0,0,.15);
  border-color: var(--accent);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card-cover {
  position: relative; aspect-ratio: 2/3; overflow: hidden; background: var(--surface2);
}
.card-cover img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s ease;
}
.novel-card:hover .card-cover img { transform: scale(1.06); }

.card-cover-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  font-size: 3rem; color: var(--text3);
}

.card-badges {
  position: absolute; top: .5rem; left: .5rem;
  display: flex; flex-direction: column; gap: .25rem;
}
.card-source-badge { position: absolute; top: .5rem; right: .5rem; }

.card-body {
  padding: .75rem; display: flex; flex-direction: column; gap: .3rem;
}

.card-title {
  font-size: .9rem; font-weight: 600; line-height: 1.3;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  line-clamp: 2; overflow: hidden;
}
.card-title-kr { font-size: .72rem; color: var(--text3); font-family: 'Noto Sans KR', sans-serif;
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical;
  line-clamp: 1; overflow: hidden; }

.card-author { font-size: .78rem; color: var(--text); opacity: 0.85; font-weight: 500; margin-top: .15rem; }

.card-meta {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: .15rem;
}
.card-rating { font-size: .78rem; color: #f59e0b; font-weight: 600; }
.card-updated { font-size: .72rem; color: var(--text3); }

/* ════════════════════════════════════════════════════════════════
   BADGES
════════════════════════════════════════════════════════════════ */
.badge {
  display: inline-flex; align-items: center; gap: .2rem;
  padding: .15rem .45rem; border-radius: 4px; font-size: .68rem; font-weight: 700;
  line-height: 1.4; white-space: nowrap; letter-spacing: .02em;
}

.badge-r19  { background: #be123c; color: #fff; }
.badge-r15  { background: #b45309; color: #fff; }

.badge-ridi    { background: #0369a1; color: #fff; }
.badge-kakao   { background: #f59e0b; color: #000; }
.badge-mrblue  { background: #065f46; color: #fff; }
.badge-other   { background: var(--surface2); color: var(--text2); border: 1px solid var(--border); }

.badge-completed { background: #059669; color: #fff; }
.badge-ongoing   { background: var(--surface2); color: var(--text3); border: 1px solid var(--border); }

.badge-series     { background: #4f46e5; color: #fff; }
.badge-lookingfor { background: #b45309; color: #fff; }

.badge-mtl { background: #d97706; color: #fff; }

/* ════════════════════════════════════════════════════════════════
   LOAD MORE
════════════════════════════════════════════════════════════════ */
.load-more-wrap { display: flex; justify-content: center; padding: 2rem 0; }
.btn-load-more {
  padding: .75rem 2.5rem; background: var(--surface); border: 1.5px solid var(--border);
  border-radius: 99px; color: var(--text2); font-size: .9rem; font-weight: 500;
  transition: all var(--trans);
}
.btn-load-more:hover { background: var(--accent); border-color: var(--accent); color: white; }

/* ════════════════════════════════════════════════════════════════
   DETAIL PAGE
════════════════════════════════════════════════════════════════ */
.detail-hero {
  min-height: 340px; position: relative; overflow: hidden;
  background: var(--bg2); border-bottom: 1px solid var(--border);
}
.detail-hero-blur {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  filter: blur(28px) brightness(.4); transform: scale(1.1);
}
.detail-hero-content {
  position: relative; z-index: 1;
  display: flex; gap: 2rem; align-items: flex-end;
  padding: 2.5rem clamp(1rem, 5vw, 3rem) 2rem;
}
.detail-cover {
  width: 180px; flex-shrink: 0; border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(0,0,0,.5); overflow: hidden; aspect-ratio: 2/3;
}
.detail-cover img { width: 100%; height: 100%; object-fit: cover; }

.detail-hero-text { flex: 1; min-width: 0; }
.detail-title {
  font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; line-height: 1.2; margin-bottom: .3rem;
}
.detail-title-kr { font-family: 'Noto Sans KR', sans-serif; font-size: 1rem; color: var(--text2); margin-bottom: .75rem; }
.detail-meta-row { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; margin-bottom: .75rem; }
.detail-author { font-size: .95rem; color: var(--text2); }
.detail-rating { font-size: 1rem; color: #f59e0b; font-weight: 700; }

.detail-actions { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1.25rem; }

.hero-tags {
  margin-top: .85rem;
  max-width: 560px;
}
.hero-tags .tag {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.2);
  color: rgba(255,255,255,.85);
  backdrop-filter: blur(4px);
}

/* Synopsis — preserve all newlines naturally */
.tab-content { white-space: pre-wrap; line-height: 1.85; font-size: .9rem; color: var(--text2); }
.btn-primary {
  padding: .65rem 1.5rem; background: var(--accent); color: white;
  border-radius: var(--radius-sm); font-size: .9rem; font-weight: 600;
  transition: background var(--trans), transform var(--trans), box-shadow var(--trans);
}
.btn-primary:hover { background: var(--accent2); transform: translateY(-1px); box-shadow: 0 6px 20px var(--accent-glow); }
.btn-secondary {
  padding: .65rem 1.5rem; background: transparent; color: var(--text2);
  border-radius: var(--radius-sm); font-size: .9rem; font-weight: 500;
  border: 1.5px solid var(--border);
  transition: all var(--trans);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent2); }

/* ── Detail Body ── */
.detail-body {
  max-width: 900px; margin: 0 auto;
  padding: 2rem clamp(1rem, 4vw, 2.5rem);
  display: flex; flex-direction: column; gap: 2rem;
}

.detail-section { display: flex; flex-direction: column; gap: .75rem; }
.section-title {
  font-size: .8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent2); border-bottom: 1px solid var(--border); padding-bottom: .5rem;
}

/* synopsis tabs */
.tab-buttons { display: flex; gap: .5rem; margin-bottom: .5rem; }
.tab-btn {
  padding: .35rem .9rem; border-radius: var(--radius-sm);
  background: var(--surface); border: 1.5px solid var(--border);
  font-size: .8rem; font-weight: 600; color: var(--text2);
  transition: all var(--trans);
}
.tab-btn.active { background: var(--accent); border-color: var(--accent); color: white; }
.tab-content { display: none; font-size: .9rem; color: var(--text2); line-height: 1.8; }
.tab-content.active { display: block; }

/* Gong / Su */
.gong-su-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.gs-card {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem;
}
.gs-label { font-size: .7rem; font-weight: 700; letter-spacing: .08em; color: var(--accent2); margin-bottom: .3rem; }
.gs-value { font-size: .88rem; color: var(--text); font-family: 'Noto Sans KR', sans-serif; }

/* Tag chips */
.tag-cloud { display: flex; flex-wrap: wrap; gap: .4rem; }
.tag {
  padding: .3rem .75rem; background: var(--surface2); border: 1px solid var(--border);
  border-radius: 99px; font-size: .78rem; color: var(--text2);
  transition: background var(--trans), color var(--trans);
}
.tag:hover { background: var(--accent); border-color: var(--accent); color: white; cursor: default; }

/* Volume list */
.volume-list { display: flex; flex-direction: column; gap: .5rem; }
.volume-item {
  display: flex; align-items: center; gap: .75rem;
  padding: .65rem 1rem; background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.vol-status { font-size: 1rem; flex-shrink: 0; }
.vol-info { flex: 1; min-width: 0; }
.vol-title { font-size: .85rem; font-weight: 500; font-family: 'Noto Sans KR', sans-serif;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.vol-date { font-size: .72rem; color: var(--text3); }
.vol-badges { margin-left: auto; display: flex; gap: .3rem; }
.volume-chaptered {
  display: flex; align-items: center; gap: .75rem;
  padding: .65rem 1rem; background: color-mix(in srgb, var(--accent) 10%, var(--surface2));
  border: 1px dashed var(--accent); border-radius: var(--radius-sm);
}

/* Info grid */
.info-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: .75rem; }
.info-item { display: flex; flex-direction: column; gap: .1rem; }
.info-key { font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--text3); }
.info-val { font-size: .88rem; color: var(--text); }

/* ════════════════════════════════════════════════════════════════
   LOGIN PAGE
════════════════════════════════════════════════════════════════ */
.login-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--bg);
  background-image: radial-gradient(ellipse 80% 60% at 50% 0%, var(--accent-glow), transparent);
}
.login-card {
  width: 100%; max-width: 400px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2.5rem 2rem;
  box-shadow: var(--shadow-lg);
  animation: fadeUp .4s ease;
}
.login-logo {
  text-align: center; font-size: 2rem; font-weight: 800; letter-spacing: -.04em;
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: .5rem;
}
.login-subtitle { text-align: center; color: var(--text3); font-size: .88rem; margin-bottom: 2rem; }

.form-group { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1rem; }
.form-group label { font-size: .82rem; font-weight: 600; color: var(--text2); }
.form-group input {
  padding: .65rem 1rem; background: var(--surface2);
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text); font-size: .9rem; font-family: inherit; outline: none;
  transition: border-color var(--trans), box-shadow var(--trans);
}
.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn-login {
  width: 100%; padding: .75rem; background: var(--accent); color: white;
  border-radius: var(--radius-sm); font-size: .95rem; font-weight: 600;
  margin-top: .5rem; transition: all var(--trans);
}
.btn-login:hover { background: var(--accent2); transform: translateY(-1px); box-shadow: 0 6px 24px var(--accent-glow); }
.btn-login:disabled { opacity: .6; transform: none; cursor: not-allowed; }

.login-error {
  background: color-mix(in srgb, #be123c 15%, var(--surface));
  border: 1px solid #be123c; color: #fca5a5;
  padding: .6rem 1rem; border-radius: var(--radius-sm);
  font-size: .82rem; margin-bottom: 1rem; display: none;
}

/* ════════════════════════════════════════════════════════════════
   EMPTY / LOADING STATES
════════════════════════════════════════════════════════════════ */
.skeleton {
  background: linear-gradient(90deg, var(--surface) 25%, var(--surface2) 50%, var(--surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer { to { background-position: -200% 0; } }

.empty-state {
  display: flex; flex-direction: column; align-items: center;
  gap: 1rem; padding: 5rem 2rem; color: var(--text3);
}
.empty-state .empty-icon { font-size: 3.5rem; opacity: .5; }
.empty-state p { font-size: .95rem; }

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .detail-hero-content { flex-direction: column; align-items: flex-start; }
  .detail-cover { width: 130px; }
  .gong-su-grid { grid-template-columns: 1fr; }
  .header-search { display: none; }
  
  /* Filter bar grid layout */
  .filter-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    padding: 1rem;
  }
  .filter-divider { display: none; }
  .filter-select { width: 100%; }
  .results-count {
    grid-column: 1 / -1;
    text-align: center;
    margin: 0;
    padding-top: 0.5rem;
  }
}

/* Image Modal */
.image-modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0,0,0,0.85);
  backdrop-filter: blur(5px);
  justify-content: center;
  align-items: center;
  cursor: zoom-out;
}
.image-modal.show {
  display: flex;
}
.image-modal img {
  max-width: 90%;
  max-height: 90%;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  object-fit: contain;
}
.detail-cover img {
  cursor: zoom-in;
}

/* Synopsis Toggle */
.synopsis-wrapper {
  position: relative;
  max-height: 155px; /* ~6 lines */
  overflow: hidden;
  transition: max-height 1.5s cubic-bezier(0.25, 1, 0.5, 1);
}
.synopsis-wrapper::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--bg));
  pointer-events: none;
  opacity: 1;
  transition: opacity 1.2s ease;
}
.synopsis-wrapper.expanded {
  max-height: 2500px;
}
.synopsis-wrapper.expanded::after {
  opacity: 0;
}
.read-more-btn {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  padding: 0;
  margin-top: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
}
.read-more-btn:hover {
  text-decoration: underline;
}

