/*
 * theme.css — Aplicação de cores e variantes de tema
 * Lavoisier — Laboratório Visual de Química
 */

/* -----------------------------------------------------------------------
   Categorias de elementos (usadas na tabela periódica e módulos)
----------------------------------------------------------------------- */
.cat-alkali-metal      { --cat-color: #ef5350; }
.cat-alkaline-earth    { --cat-color: #ffa726; }
.cat-transition-metal  { --cat-color: #ffd166; }
.cat-post-transition   { --cat-color: #a5d6a7; }
.cat-metalloid         { --cat-color: #80cbc4; }
.cat-nonmetal          { --cat-color: #4fc3f7; }
.cat-halogen           { --cat-color: #b39ddb; }
.cat-noble-gas         { --cat-color: #f48fb1; }
.cat-lanthanide        { --cat-color: #ffcc02; }
.cat-actinide          { --cat-color: #ff7043; }

/* -----------------------------------------------------------------------
   Indicador de estado de exercício
----------------------------------------------------------------------- */
.state-correct  { color: var(--state-correct); }
.state-error    { color: var(--state-error); }
.state-hint     { color: var(--state-hint); }
.state-neutral  { color: var(--state-neutral); }

.bg-correct  { background: rgba(63, 185, 80, 0.12); border-color: rgba(63, 185, 80, 0.4); }
.bg-error    { background: rgba(248, 81, 73, 0.12); border-color: rgba(248, 81, 73, 0.4); }
.bg-hint     { background: rgba(227, 179, 65, 0.12); border-color: rgba(227, 179, 65, 0.4); }

/* -----------------------------------------------------------------------
   Destaque de fenômeno
----------------------------------------------------------------------- */
.phenomenon-card {
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-raised) 100%);
  border: 1px solid var(--border-default);
  border-left: 3px solid var(--accent-electron);
}

.phenomenon-card.bond    { border-left-color: var(--accent-bond); }
.phenomenon-card.organic { border-left-color: var(--accent-organic); }
.phenomenon-card.reaction { border-left-color: var(--accent-reaction); }
.phenomenon-card.energy  { border-left-color: var(--accent-energy); }

/* -----------------------------------------------------------------------
   Canvas container estilizado
----------------------------------------------------------------------- */
.canvas-frame {
  background: var(--bg-base);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

/* NÃO definir width no canvas via CSS — coordenadas de hit detection dependem
   das dimensões físicas do canvas, não do display CSS */

.canvas-label {
  position: absolute;
  bottom: var(--space-3);
  right: var(--space-4);
  font-size: var(--text-xs);
  color: var(--text-muted);
  pointer-events: none;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* -----------------------------------------------------------------------
   Progresso do módulo
----------------------------------------------------------------------- */
.module-progress {
  --progress-color: var(--accent-electron);
  height: 3px;
  background: var(--border-default);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.module-progress-bar {
  height: 100%;
  background: var(--progress-color);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* -----------------------------------------------------------------------
   Badges de categoria
----------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
}

.badge-neutral { background: rgba(139,148,158,0.15); color: var(--text-muted); border-color: rgba(139,148,158,0.3); }

/* -----------------------------------------------------------------------
   Tabela periódica wrapper — scroll horizontal obrigatório
----------------------------------------------------------------------- */
.periodic-table-wrapper {
  overflow-x: auto;
  overflow-y: visible;
  padding-bottom: var(--space-4);
  /* Scrollbar estilizada */
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}

.periodic-table-wrapper::-webkit-scrollbar {
  height: 5px;
}

.periodic-table-wrapper::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-full);
}
.badge-bond      { background: rgba(255,209,102,0.15); color: var(--accent-bond); border-color: rgba(255,209,102,0.3); }
.badge-organic   { background: rgba(107,203,119,0.15); color: var(--accent-organic); border-color: rgba(107,203,119,0.3); }
.badge-reaction  { background: rgba(239,71,111,0.15); color: var(--accent-reaction); border-color: rgba(239,71,111,0.3); }
.badge-energy    { background: rgba(255,167,38,0.15); color: var(--accent-energy); border-color: rgba(255,167,38,0.3); }

/* -----------------------------------------------------------------------
   Toast de feedback
----------------------------------------------------------------------- */
.toast-region {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
}

.toast {
  background: var(--bg-raised);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  pointer-events: auto;
  max-width: 320px;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.toast.toast-correct  { border-left: 3px solid var(--state-correct); }
.toast.toast-error    { border-left: 3px solid var(--state-error); }
.toast.toast-hint     { border-left: 3px solid var(--state-hint); }
.toast.toast-info     { border-left: 3px solid var(--accent-electron); }