/* ==========================================================================
   1. DESIGN TOKENS (VARIÁVEIS GLOBAIS - LIGHT & DARK THEMES)
   ========================================================================== */
:root {
  /* Paleta de Cores Principais */
  --primary: #3B82F6;          /* Azul destaque moderno */
  --primary-hover: #2563EB;    /* Tom ligeiramente mais escuro para hover */
  --primary-focus: rgba(59, 130, 246, 0.25); /* Anel de foco translúcido */
  --primary-gradient: linear-gradient(135deg, #3B82F6 0%, #1D4ED8 100%);
  --success-color: #10B981;
  --warning-color: #F59E0B;
  --danger-color: #EF4444;

  /* Cores Neutras de Fundo (Modo Claro) */
  --bg-page: #F8FAFC;          /* Fundo suave para as páginas */
  --bg-card: #FFFFFF;          /* Branco puro para cards e formulários */
  --bg-dark: #0F172A;          /* Azul escuro/chumbo */
  --bg-hover: #F1F5F9;

  /* Hierarquia de Textos */
  --text-main: #1E293B;        /* Títulos e textos principais */
  --text-muted: #64748B;       /* Legendas e placeholders */
  --text-inverse: #FFFFFF;     /* Texto para fundos escuros */

  /* Elementos de Interface */
  --border-color: #E2E8F0;     /* Linha divisória e bordas */
  
  /* Arredondamentos */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Sombras Macias (Soft Depth) */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 16px -2px rgba(15, 23, 42, 0.06), 0 4px 6px -2px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 20px 30px -4px rgba(15, 23, 42, 0.1), 0 8px 10px -4px rgba(15, 23, 42, 0.04);
  --shadow-hover: 0 14px 28px rgba(59, 130, 246, 0.15);

  /* Transições Suaves */
  --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Modo Escuro (Dark Mode) */
[data-theme="dark"] {
  --bg-page: #0F172A;
  --bg-card: #1E293B;
  --bg-dark: #020617;
  --bg-hover: #334155;

  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-inverse: #0F172A;

  --border-color: #334155;

  --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 16px -2px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 30px -4px rgba(0, 0, 0, 0.45);
}

/* ==========================================================================
   2. RESET & REGRAS BASE
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Scrollbar Personalizada Global */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-page);
}
::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 4px;
}
[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: #475569;
}
::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}

/* ==========================================================================
   3. ANIMAÇÕES & EFEITOS ESPECIAIS (MICRO-INTERAÇÕES)
   ========================================================================== */

/* Ponto Pulsante de Status */
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  position: relative;
}
.pulse-dot-green { background-color: #10B981; }
.pulse-dot-amber { background-color: #F59E0B; }
.pulse-dot-red   { background-color: #EF4444; }

.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background-color: inherit;
  opacity: 0.6;
  animation: pulseAnimation 2s infinite ease-in-out;
}

@keyframes pulseAnimation {
  0% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(2.2); opacity: 0; }
  100% { transform: scale(1); opacity: 0; }
}

/* Skeleton Shimmer Loading */
.skeleton {
  background: linear-gradient(90deg, var(--border-color) 25%, var(--bg-hover) 50%, var(--border-color) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ==========================================================================
   4. COMPONENTES UNIVERSAIS
   ========================================================================== */

/* --- BOTÕES --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-decoration: none;
  gap: 8px;
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--text-inverse);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(59, 130, 246, 0.35);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-main);
}
.btn-secondary:hover {
  background-color: var(--bg-hover);
  border-color: var(--text-muted);
}

/* --- FORMULÁRIOS COM PASSWORD EYE TOGGLE --- */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-toggle-btn {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--text-muted);
  padding: 4px;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.password-toggle-btn:hover {
  color: var(--primary);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  transition: var(--transition-smooth);
  outline: none;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-focus);
}

.card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 32px;
  border: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}