/* ============================================================
   DUNGEON EVOLUTION — login.css
   Estilos exclusivos da tela de login/registro
   ============================================================ */

.login-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg-deep);
  overflow-x: hidden;
  position: relative;
}

/* --- Canvas de partículas --- */
#particles-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* --- Hero section --- */
.login-hero {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px var(--space-lg) var(--space-xl);
  text-align: center;
}

.login-emblem {
  width: 80px;
  height: 80px;
  margin-bottom: var(--space-lg);
  filter: drop-shadow(0 0 20px rgba(201,168,76,0.5));
  animation: flicker 8s ease-in-out infinite;
}

.login-title {
  font-family: var(--font-display);
  font-size: var(--font-3xl);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--text-heading);
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.login-title span {
  background: linear-gradient(135deg, var(--gold-bright), var(--gold), #8a6d1e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: shimmer 4s linear infinite;
  display: block;
}

.login-subtitle {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-style: italic;
}

/* --- Container do card --- */
.login-container {
  position: relative;
  z-index: 1;
  flex: 1;
  padding: 0 var(--space-md) var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,0.05);
  position: relative;
  overflow: hidden;
}

/* Linha decorativa no topo do card */
.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

/* --- Tabs --- */
.login-tabs {
  display: flex;
  gap: 4px;
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius-md);
  padding: 4px;
  margin-bottom: var(--space-lg);
}

.tab-btn {
  flex: 1;
  padding: 10px;
  border-radius: calc(var(--radius-md) - 2px);
  font-family: var(--font-display);
  font-size: var(--font-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: all var(--transition);
}

.tab-btn.active {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(212, 175, 55, 0.08));
  color: var(--gold);
  border: 1px solid var(--gold-dim);
}

/* --- Conteúdo das tabs --- */
.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
}
.tab-content.active { display: block; }

/* --- Password wrapper --- */
.input-password-wrap {
  position: relative;
}
.input-password-wrap .input-field {
  padding-right: 48px;
}
.btn-toggle-pass {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.btn-toggle-pass:hover { color: var(--text-secondary); }
.btn-toggle-pass svg {
  width: 18px;
  height: 18px;
}

/* --- Erro do formulário --- */
.form-error {
  margin-top: var(--space-sm);
  font-size: var(--font-sm);
  color: var(--life-bright);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.form-error::before { content: '✕ '; }

/* --- Footer --- */
.login-footer {
  font-size: var(--font-xs);
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.05em;
}