/*
Theme Name: Tirinhas
Theme URI: https://github.com/seu-usuario/tirinhas-theme
Description: Tema minimalista para tirinhas em quadrinhos, com navegação estilo Instagram, séries, tags e cabeçalho dinâmico.
Author: Seu Nome
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: tirinhas
Tags: comics, minimalist, instagram, grid, responsive
*/

/* ============================================================
   FONTS & VARIABLES
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Mono:ital,wght@0,400;0,500;1,400&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

:root {
  --ink:        #111110;
  --ink-mid:    #555552;
  --ink-light:  #999995;
  --paper:      #F9F8F5;
  --paper-mid:  #EEECEA;
  --paper-dark: #E2E0DC;
  --accent:     #E8412A;
  --accent-2:   #2A6AE8;
  --white:      #FFFFFF;

  --font-display: 'Syne', sans-serif;
  --font-mono:    'DM Mono', monospace;
  --font-body:    'DM Sans', sans-serif;

  --nav-h:      64px;
  --nav-h-mob:  60px;
  --radius:     4px;
  --radius-lg:  12px;
  --shadow:     0 1px 3px rgba(17,17,16,.08), 0 4px 16px rgba(17,17,16,.06);
  --transition: 220ms cubic-bezier(.4,0,.2,1);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -.02em;
}

.site-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: -.04em;
  color: var(--ink);
  transition: opacity var(--transition);
}

.site-title:hover { opacity: .7; }

/* ============================================================
   HEADER — DINÂMICO
   ============================================================ */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: var(--paper);
  border-bottom: 1px solid transparent;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 20px;
  transition: height var(--transition),
              border-color var(--transition),
              box-shadow var(--transition),
              background var(--transition);
}

#site-header.scrolled {
  height: 52px;
  border-bottom-color: var(--paper-dark);
  box-shadow: 0 2px 20px rgba(17,17,16,.07);
}

#site-header.hidden {
  transform: translateY(-100%);
}

.header-left  { display: flex; align-items: center; gap: 12px; flex: 1; }
.header-mid   { flex: 0 1 480px; }
.header-right { display: flex; align-items: center; gap: 8px; }

/* Search bar */
.search-form {
  display: flex;
  align-items: center;
  background: var(--paper-mid);
  border: 1px solid transparent;
  border-radius: 40px;
  padding: 0 16px;
  gap: 8px;
  height: 38px;
  transition: border-color var(--transition), background var(--transition);
}

.search-form:focus-within {
  background: var(--white);
  border-color: var(--paper-dark);
}

.search-form input {
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: .875rem;
  color: var(--ink);
  width: 100%;
}

.search-form input::placeholder { color: var(--ink-light); }

.search-icon { color: var(--ink-light); flex-shrink: 0; }

/* Header nav buttons */
.header-btn {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  color: var(--ink);
  transition: background var(--transition), color var(--transition);
}

.header-btn:hover { background: var(--paper-mid); }
.header-btn.active { color: var(--accent); }

/* ============================================================
   SIDEBAR NAV (Desktop — like Instagram left rail)
   ============================================================ */
#sidebar-nav {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  width: 240px;
  height: calc(100vh - var(--nav-h));
  padding: 20px 12px;
  border-right: 1px solid var(--paper-dark);
  background: var(--paper);
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
  z-index: 90;
  transition: top var(--transition);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 14px;
  border-radius: var(--radius-lg);
  font-size: .95rem;
  font-weight: 500;
  color: var(--ink-mid);
  transition: background var(--transition), color var(--transition);
}

.nav-item:hover { background: var(--paper-mid); color: var(--ink); }
.nav-item.active { color: var(--ink); font-weight: 700; }
.nav-item.active .nav-icon { color: var(--accent); }

.nav-icon {
  width: 24px; height: 24px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}

.nav-divider {
  height: 1px;
  background: var(--paper-dark);
  margin: 8px 14px;
}

.nav-section-label {
  font-family: var(--font-mono);
  font-size: .65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ink-light);
  padding: 12px 14px 4px;
}

.nav-tag-cloud {
  padding: 8px 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-pill {
  font-family: var(--font-mono);
  font-size: .72rem;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--paper-mid);
  color: var(--ink-mid);
  border: 1px solid var(--paper-dark);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.tag-pill:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.tag-pill.active {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}

/* ============================================================
   LAYOUT WRAPPER
   ============================================================ */
#page-wrapper {
  padding-top: var(--nav-h);
  margin-left: 240px;
  min-height: 100vh;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

/* ============================================================
   SERIES HIGHLIGHTS (like Instagram Stories)
   ============================================================ */
.series-strip {
  display: flex;
  gap: 16px;
  padding: 20px 0 24px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.series-strip::-webkit-scrollbar { display: none; }

.series-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  cursor: pointer;
}

.series-ring {
  width: 72px; height: 72px;
  border-radius: 50%;
  padding: 3px;
  background: conic-gradient(var(--accent) 0%, var(--accent-2) 50%, var(--accent) 100%);
  transition: transform var(--transition), opacity var(--transition);
}

.series-ring:hover { transform: scale(1.05); }
.series-ring.seen { background: var(--paper-dark); }

.series-ring-inner {
  width: 100%; height: 100%;
  border-radius: 50%;
  border: 2.5px solid var(--paper);
  overflow: hidden;
  background: var(--paper-mid);
  display: flex; align-items: center; justify-content: center;
}

.series-ring-inner img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.series-ring-inner .series-initial {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--ink-mid);
}

.series-name {
  font-size: .72rem;
  font-weight: 500;
  color: var(--ink-mid);
  max-width: 72px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ============================================================
   COMICS GRID
   ============================================================ */
.feed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--paper-dark);
}

.feed-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
}

.view-toggle {
  display: flex;
  gap: 4px;
  background: var(--paper-mid);
  border-radius: 8px;
  padding: 3px;
}

.view-btn {
  width: 32px; height: 32px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-light);
  transition: background var(--transition), color var(--transition);
}

.view-btn.active { background: var(--white); color: var(--ink); box-shadow: var(--shadow); }

/* Grid view */
.comics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
}

.comics-grid.list-view {
  grid-template-columns: 1fr;
  gap: 16px;
}

/* Card */
.comic-card {
  position: relative;
  overflow: hidden;
  background: var(--paper-mid);
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform var(--transition);
}

.comics-grid:not(.list-view) .comic-card { aspect-ratio: 1 / 1; }

.comic-card:hover { transform: scale(.985); }

.comic-card__thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: filter var(--transition);
}

.comic-card:hover .comic-card__thumb { filter: brightness(.88); }

.comic-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, transparent 40%, rgba(17,17,16,.7) 100%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 14px;
  gap: 14px;
}

.comic-card:hover .comic-card__overlay { opacity: 1; }

.comic-card__stat {
  display: flex; align-items: center; gap: 5px;
  color: var(--white);
  font-size: .8rem;
  font-weight: 600;
}

/* List view card */
.comics-grid.list-view .comic-card {
  display: flex;
  gap: 16px;
  padding: 0;
  background: var(--white);
  border: 1px solid var(--paper-dark);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.comics-grid.list-view .comic-card:hover { transform: none; box-shadow: 0 4px 24px rgba(17,17,16,.1); }

.comics-grid.list-view .comic-card__thumb {
  width: 160px;
  height: 160px;
  object-fit: cover;
  flex-shrink: 0;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.comics-grid.list-view .comic-card__overlay { display: none; }

.list-card__body {
  padding: 16px 16px 16px 0;
  display: none;
  flex-direction: column;
  gap: 8px;
}

.comics-grid.list-view .list-card__body { display: flex; }

.list-card__series {
  font-family: var(--font-mono);
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent);
}

.list-card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
}

.list-card__excerpt {
  font-size: .85rem;
  color: var(--ink-mid);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.list-card__meta {
  margin-top: auto;
  display: flex;
  gap: 10px;
  align-items: center;
}

.list-card__date {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--ink-light);
}

/* ============================================================
   SINGLE COMIC
   ============================================================ */
.single-comic {
  max-width: 720px;
  margin: 0 auto;
}

.single-comic__header { margin-bottom: 24px; }

.single-comic__breadcrumb {
  font-family: var(--font-mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ink-light);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.single-comic__breadcrumb a:hover { color: var(--ink); }

.single-comic__title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.1;
  margin-bottom: 12px;
}

.single-comic__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.single-comic__date {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--ink-light);
}

.single-comic__series-badge {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--accent);
  background: rgba(232,65,42,.08);
  padding: 4px 10px;
  border-radius: 20px;
}

.single-comic__image {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 40px rgba(17,17,16,.12);
  margin: 24px 0;
  border: 1px solid var(--paper-dark);
}

.single-comic__strips {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 24px 0;
}

.single-comic__strip {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(17,17,16,.08);
}

.single-comic__description {
  font-size: .95rem;
  line-height: 1.7;
  color: var(--ink-mid);
  margin: 20px 0;
  padding: 20px;
  background: var(--paper-mid);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--accent);
}

/* Tags */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0;
}

/* Actions (like, share) */
.comic-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
  border-top: 1px solid var(--paper-dark);
  border-bottom: 1px solid var(--paper-dark);
  margin: 24px 0;
}

.action-btn {
  display: flex; align-items: center; gap: 7px;
  padding: 9px 16px;
  border-radius: 40px;
  font-size: .875rem;
  font-weight: 500;
  color: var(--ink-mid);
  border: 1px solid var(--paper-dark);
  background: var(--white);
  transition: all var(--transition);
}

.action-btn:hover { background: var(--paper-mid); color: var(--ink); }

.action-btn.liked { color: var(--accent); border-color: rgba(232,65,42,.3); background: rgba(232,65,42,.06); }

.action-count { font-family: var(--font-mono); font-size: .75rem; }

/* Navigation prev/next */
.comic-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 40px;
}

.comic-nav-item {
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--paper-dark);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition), transform var(--transition);
}

.comic-nav-item:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.comic-nav-item.next { text-align: right; }

.comic-nav-label {
  font-family: var(--font-mono);
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ink-light);
  margin-bottom: 6px;
}

.comic-nav-title {
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 700;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   ARCHIVE / SERIES PAGE
   ============================================================ */
.archive-header {
  padding: 32px 0 28px;
  border-bottom: 1px solid var(--paper-dark);
  margin-bottom: 28px;
}

.archive-eyebrow {
  font-family: var(--font-mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ink-light);
  margin-bottom: 10px;
}

.archive-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1.05;
  margin-bottom: 12px;
}

.archive-description {
  font-size: .95rem;
  color: var(--ink-mid);
  max-width: 480px;
  line-height: 1.65;
}

.archive-stats {
  display: flex;
  gap: 24px;
  margin-top: 20px;
}

.archive-stat {
  display: flex; flex-direction: column; gap: 2px;
}

.archive-stat__num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--ink);
}

.archive-stat__label {
  font-family: var(--font-mono);
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ink-light);
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 80px 24px;
  color: var(--ink-mid);
}

.empty-state__icon { font-size: 3rem; margin-bottom: 16px; opacity: .4; }
.empty-state__title { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.empty-state__text { font-size: .9rem; }

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 40px 0 0;
}

.page-link {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  font-size: .875rem;
  font-weight: 600;
  color: var(--ink-mid);
  background: var(--white);
  border: 1px solid var(--paper-dark);
  transition: all var(--transition);
}

.page-link:hover { background: var(--paper-mid); color: var(--ink); }
.page-link.current { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.page-link.dots { border: none; background: none; cursor: default; }

/* ============================================================
   BOTTOM NAV (Mobile — Instagram-like)
   ============================================================ */
#bottom-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h-mob);
  background: var(--paper);
  border-top: 1px solid var(--paper-dark);
  padding: 0 8px;
  align-items: center;
  justify-content: space-around;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  color: var(--ink-light);
  font-size: .62rem;
  font-weight: 500;
  border-radius: 12px;
  transition: color var(--transition);
}

.bottom-nav-item.active { color: var(--ink); }
.bottom-nav-item.active svg { stroke: var(--accent); }
.bottom-nav-item svg { transition: stroke var(--transition); }

/* ============================================================
   FOOTER
   ============================================================ */
#site-footer {
  background: var(--ink);
  color: var(--paper-mid);
  padding: 40px 24px;
  margin-left: 240px;
  margin-top: 60px;
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--paper);
  letter-spacing: -.04em;
}

.footer-text { font-size: .8rem; color: var(--ink-light); }
.footer-text a { color: var(--paper-mid); }
.footer-text a:hover { color: var(--paper); }

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .5s ease, transform .5s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  #sidebar-nav { display: none; }
  #page-wrapper { margin-left: 0; }
  #site-footer  { margin-left: 0; }
  #bottom-nav   { display: flex; }

  .container { padding-bottom: calc(var(--nav-h-mob) + 24px); }

  .header-mid { display: none; }

  .comics-grid { grid-template-columns: repeat(3, 1fr); gap: 2px; }
}

@media (max-width: 600px) {
  #site-header { padding: 0 16px; }
  .container { padding: 16px 12px calc(var(--nav-h-mob) + 24px); }

  .series-ring { width: 60px; height: 60px; }

  .comics-grid { grid-template-columns: repeat(3, 1fr); gap: 2px; }

  .comic-nav { grid-template-columns: 1fr; }
  .comic-nav-item.next { text-align: left; }

  .comics-grid.list-view .comic-card__thumb { width: 100px; height: 100px; }
}

/* ============================================================
   ADMIN BAR OFFSET
   ============================================================ */
.admin-bar #site-header { top: 32px; }
.admin-bar #sidebar-nav { top: calc(var(--nav-h) + 32px); }

@media (max-width: 782px) {
  .admin-bar #site-header { top: 46px; }
}