/* ═══════════════════════════════════════════════════════════
   ENJAMBRE COMIX — Design System
   Tema oscuro + acento púrpura Serena + transiciones suaves
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a28;
  --bg-card: #1e1e30;
  --text-primary: #e8e8f0;
  --text-secondary: #9898b0;
  --text-muted: #686880;
  --accent: #a855f7;
  --accent-glow: #c084fc;
  --accent-dark: #7c3aed;
  --serena: #a855f7;
  --serena-glow: rgba(168, 85, 247, 0.3);
  --danger: #ef4444;
  --success: #22c55e;
  --warning: #f59e0b;
  --border: #2a2a3a;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-width: 72px;
  --panel-width: 420px;
}

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

body.comix-body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ═══ NAVEGACIÓN LATERAL ═══ */
.comix-nav {
  width: var(--nav-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 0;
  gap: 8px;
  z-index: 100;
  flex-shrink: 0;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 8px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-secondary);
  transition: var(--transition);
  border: none;
  background: none;
  cursor: pointer;
  width: 60px;
  font-size: 12px;
}

.nav-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent-dark);
  color: white;
}

.nav-icon {
  font-size: 24px;
}

.serena-toggle {
  margin-top: auto;
  position: relative;
}

.serena-toggle::after {
  content: '';
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  border: 2px solid var(--bg-secondary);
}

/* ═══ CONTENIDO PRINCIPAL ═══ */
.comix-main {
  flex: 1;
  overflow-y: auto;
  padding: 32px;
  transition: margin-right var(--transition);
}

.comix-main.panel-open {
  margin-right: var(--panel-width);
}

/* ═══ PANEL SERENA ═══ */
.serena-panel {
  position: fixed;
  top: 0;
  right: calc(-1 * var(--panel-width));
  width: var(--panel-width);
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transition: right var(--transition);
  box-shadow: -4px 0 24px rgba(0,0,0,0.5);
}

.serena-panel.open {
  right: 0;
}

.serena-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-tertiary);
}

.serena-avatar {
  font-size: 36px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--serena-glow);
  border-radius: 50%;
}

.serena-title h3 {
  font-size: 18px;
  color: var(--accent-glow);
}

.serena-status {
  font-size: 12px;
  color: var(--success);
}

.serena-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 28px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: var(--transition);
}

.serena-close:hover {
  background: rgba(239,68,68,0.2);
  color: var(--danger);
}

/* Tabs */
.serena-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
}

.serena-tab {
  flex: 1;
  padding: 12px;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}

.serena-tab:hover { color: var(--text-primary); }

.serena-tab.active {
  color: var(--accent-glow);
  border-bottom-color: var(--accent);
  background: var(--bg-tertiary);
}

.serena-tab-content {
  display: none;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
}

.serena-tab-content.active {
  display: flex;
}

/* Chat messages */
.serena-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.serena-msg {
  display: flex;
  max-width: 90%;
}

.serena-msg-ia {
  align-self: flex-start;
}

.serena-msg-user {
  align-self: flex-end;
}

.msg-bubble {
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.5;
  word-wrap: break-word;
}

.serena-msg-ia .msg-bubble {
  background: var(--bg-tertiary);
  border-bottom-left-radius: 4px;
  color: var(--text-primary);
}

.serena-msg-user .msg-bubble {
  background: var(--accent-dark);
  border-bottom-right-radius: 4px;
  color: white;
}

.serena-input-area {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.serena-input-area textarea {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 10px 12px;
  font-size: 14px;
  resize: none;
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}

.serena-input-area textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--serena-glow);
}

.serena-send-btn {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  cursor: pointer;
  font-size: 14px;
  transition: var(--transition);
  white-space: nowrap;
}

.serena-send-btn:hover {
  background: var(--accent-dark);
  box-shadow: 0 0 12px var(--serena-glow);
}

/* Pizarra */
.pizarra-toolbar {
  display: flex;
  gap: 4px;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
  align-items: center;
}

.pizarra-tool {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 16px;
  transition: var(--transition);
}

.pizarra-tool:hover, .pizarra-tool.active {
  background: var(--accent-dark);
  border-color: var(--accent);
}

.pizarra-color {
  width: 32px;
  height: 32px;
  border: 2px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  padding: 0;
  margin-left: auto;
}

.pizarra-canvas {
  flex: 1;
  background: white;
  cursor: crosshair;
}

.pizarra-info {
  padding: 8px 12px;
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

/* Contexto */
.contexto-info { padding: 16px; }
.contexto-info h4 { margin-bottom: 12px; color: var(--accent-glow); }

.contexto-display {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  min-height: 80px;
}

.contexto-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-top: 16px;
}

.stat-item {
  background: var(--bg-card);
  padding: 12px;
  border-radius: var(--radius-sm);
  text-align: center;
}

.stat-label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.stat-value {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-glow);
}

/* Overlay */
.serena-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 199;
}

.serena-overlay.active { display: block; }

/* ═══ PÁGINAS ═══ */

/* Headers */
.page-header {
  margin-bottom: 32px;
}

.page-header h1 {
  font-size: 32px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-glow), #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-header p {
  color: var(--text-secondary);
  margin-top: 8px;
  font-size: 16px;
}

/* Grid layouts */
.comix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.comix-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.comix-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(168,85,247,0.15);
}

.comix-card-cover {
  width: 100%;
  aspect-ratio: 2/3;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: var(--text-muted);
}

.comix-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comix-card-info {
  padding: 16px;
}

.comix-card-info h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.comix-card-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}

.comix-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

.tag-swinger { background: rgba(168,85,247,0.2); color: var(--accent-glow); }
.tag-trio { background: rgba(236,72,153,0.2); color: #ec4899; }
.tag-orgia { background: rgba(239,68,68,0.2); color: #ef4444; }
.tag-bdsm { background: rgba(245,158,11,0.2); color: #f59e0b; }
.tag-romantico { background: rgba(34,197,94,0.2); color: #22c55e; }

/* ═══ LECTOR ═══ */
.lector-container {
  display: flex;
  gap: 24px;
  height: calc(100vh - 160px);
}

.lector-paginas {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-right: 16px;
}

.pagina-comic {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.pagina-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.pagina-numero {
  font-size: 14px;
  color: var(--text-muted);
}

.pagina-layout {
  font-size: 12px;
  padding: 2px 8px;
  background: var(--bg-tertiary);
  border-radius: 20px;
  color: var(--text-secondary);
}

.vignetas-grid {
  display: grid;
  gap: 16px;
}

.layout-2_columnas { grid-template-columns: 1fr 1fr; }
.layout-1_grande_2_pequenas {
  grid-template-columns: 2fr 1fr;
  grid-template-rows: auto auto;
}
.layout-pagina_completa { grid-template-columns: 1fr; }
.layout-2_horizontales { grid-template-columns: 1fr 1fr; }
.layout-scroll { grid-template-columns: 1fr; }

.vigneta {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}

.vigneta:hover {
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--serena-glow);
}

.vigneta-imagen {
  width: 100%;
  aspect-ratio: 3/2;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
}

.vigneta-imagen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vigneta-pie {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.vigneta-dialogo {
  font-style: italic;
  color: var(--accent-glow);
  margin-top: 8px;
  padding-left: 8px;
  border-left: 2px solid var(--accent);
}

.lector-info {
  width: 280px;
  flex-shrink: 0;
}

.comic-info-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: sticky;
  top: 24px;
}

.comic-info-panel h2 {
  font-size: 24px;
  margin-bottom: 16px;
  color: var(--accent-glow);
}

.comic-info-item {
  margin-bottom: 12px;
}

.comic-info-label {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.comic-info-value {
  font-size: 14px;
  color: var(--text-primary);
}

/* ═══ GALERÍA ═══ */
.galeria-filtros {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filtro-btn {
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  transition: var(--transition);
}

.filtro-btn:hover { border-color: var(--accent); color: var(--text-primary); }
.filtro-btn.active { background: var(--accent-dark); border-color: var(--accent); color: white; }

.galeria-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.galeria-item {
  aspect-ratio: 3/2;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.galeria-item:hover {
  border-color: var(--accent);
  transform: scale(1.02);
}

.galeria-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.galeria-item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8px 12px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  font-size: 11px;
  color: white;
  opacity: 0;
  transition: var(--transition);
}

.galeria-item:hover .galeria-item-overlay { opacity: 1; }

/* ═══ FORMULARIOS ═══ */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--serena-glow);
}

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

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%239898b0'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.form-select option {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

.btn {
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.btn-primary:hover {
  background: var(--accent-dark);
  box-shadow: 0 0 16px var(--serena-glow);
}

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

.btn-secondary:hover {
  border-color: var(--accent);
}

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

.btn-success {
  background: var(--success);
  color: white;
}

.btn-sm { padding: 6px 14px; font-size: 12px; }

/* ═══ CONTABILIDAD ═══ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}

.stat-card-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.stat-card-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--accent-glow);
  margin-bottom: 4px;
}

.stat-card-label {
  font-size: 13px;
  color: var(--text-muted);
}

.cost-table {
  width: 100%;
  border-collapse: collapse;
}

.cost-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}

.cost-table td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

.cost-table tr:hover td {
  background: var(--bg-tertiary);
}

/* ═══ COLA ═══ */
.cola-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cola-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

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

.cola-item-info h4 {
  font-size: 14px;
  margin-bottom: 4px;
}

.cola-item-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.cola-status {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

.status-pendiente { background: rgba(245,158,11,0.2); color: var(--warning); }
.status-procesando { background: rgba(59,130,246,0.2); color: #3b82f6; }
.status-completado { background: rgba(34,197,94,0.2); color: var(--success); }
.status-error { background: rgba(239,68,68,0.2); color: var(--danger); }

/* ═══ TOASTS ═══ */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  box-shadow: var(--shadow);
  animation: slideIn 0.3s ease;
  max-width: 360px;
}

.toast-success { background: var(--success); color: white; }
.toast-error { background: var(--danger); color: white; }
.toast-info { background: var(--accent-dark); color: white; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ═══ LOADING ═══ */
.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 768px) {
  .comix-nav { width: 56px; }
  .nav-label { display: none; }
  .comix-main { padding: 16px; }
  .serena-panel { width: 100%; right: -100%; }
  .lector-container { flex-direction: column; }
  .lector-info { width: 100%; }
  .vignetas-grid { grid-template-columns: 1fr !important; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}