/* Sistema de Temas - CSS Variables */
:root {
  /* Cores Neutras */
  --color-neutral: #baf5bc;
  --color-neutral-light: #ffffff;
  --color-neutral-dark: #2b822e;
  
  /* Cores Primárias */
  --color-primary: #2b822e;
  --color-primary-light: #ffffff;
  --color-primary-dark: #1a5a1d;
  
  /* Cores Secundárias */
  --color-secondary: #2c9430;
  --color-secondary-light: #ffffff;
  --color-secondary-dark: #1e6b21;
  
  /* Cores de Destaque */
  --color-accent: #ff5c93;
  --color-accent-light: #ffffff;
  --color-accent-dark: #e91e63;
  
  /* Cores de Aviso */
  --color-warning: #ffeb3b;
  --color-warning-light: #ffffff;
  --color-warning-dark: #f57f17;
  
  /* Cores Negativas */
  --color-negative: #f44336;
  --color-negative-light: #ffffff;
  --color-negative-dark: #c62828;
  
  /* Cores Positivas */
  --color-positive: #25d366;
  --color-positive-light: #ffffff;
  --color-positive-dark: #1b8e3d;
  
  /* Cores Claras */
  --color-light: #81d49f;
  --color-light-light: #ffffff;
  --color-light-dark: #4caf50;
  
  /* Cores de Fundo - Modo Light/Bright (branco e verde) */
  --bg-primary: #ffffff;
  --bg-secondary: #f0faf0;
  --bg-dark: #2b822e;
  --bg-darker: #1a5a1d;
  --bg-body: #ffffff;
  --bg-body-gradient: linear-gradient(135deg, #ffffff 0%, #f0faf0 100%);
  
  /* Cores de Texto - Modo Light (branco + verde) */
  --text-primary: #1a3d1a;
  --text-secondary: #2e7d32;
  --text-light: #ffffff;
  --text-muted: #6b8e6b;
  
  /* Bordas e Sombras - tom verde suave */
  --border-color: #c8e6c9;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
  
  /* Transições */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Modo Dark */
[data-theme="dark"] {
  /* Cores de Fundo - Modo Dark */
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --bg-dark: #1a1a1a;
  --bg-darker: #0d0d0d;
  --bg-body: #0d0d0d;
  --bg-body-gradient: linear-gradient(135deg, #1a1a1a 0%, #0d0d0d 100%);
  
  /* Cores de Texto - Modo Dark */
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-light: #ffffff;
  --text-muted: #808080;
  
  /* Bordas e Sombras */
  --border-color: #404040;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.5);
}

/* Aplicação das variáveis CSS */
body {
  background: var(--bg-body-gradient);
  background-color: var(--bg-body);
  color: var(--text-primary);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  transition: background-color var(--transition-normal), 
              background var(--transition-normal),
              color var(--transition-normal);
  min-height: 100vh;
}

/* Botões com tema */
.btn {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--text-light);
  border: none;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

/* Cards com tema */
.card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

/* Inputs com tema */
.form-control {
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--border-radius);
  padding: 12px 16px;
  transition: all var(--transition-normal);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(43, 130, 46, 0.1);
  outline: none;
}

/* Inputs no modo dark - fundo transparente */
[data-theme="dark"] .form-control,
[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="date"],
[data-theme="dark"] input[type="time"],
[data-theme="dark"] input[type="tel"],
[data-theme="dark"] input[type="url"],
[data-theme="dark"] textarea,
[data-theme="dark"] select {
  background: transparent !important;
  color: var(--text-primary);
  border-color: var(--border-color);
}

/* Select em dark: fundo sólido para a lista dropdown ter contraste */
[data-theme="dark"] select {
  background: var(--bg-primary) !important;
}

/* Opções do select em dark: fundo e texto com contraste na lista */
[data-theme="dark"] select option {
  background: var(--bg-primary);
  color: var(--text-primary);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
  background: transparent !important;
  border-color: var(--color-primary);
}

[data-theme="dark"] select:focus {
  background: var(--bg-primary) !important;
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

/* Navegação com tema */
.navbar {
  background: var(--color-primary);
  color: var(--text-light);
  padding: 16px 24px;
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  color: var(--text-light);
  font-weight: bold;
  font-size: 1.5rem;
}

/* Sidebar com tema */
.sidebar {
  background: var(--bg-dark);
  color: var(--text-light);
  min-height: 100vh;
  width: 250px;
  padding: 24px 0;
}

.sidebar-item {
  padding: 12px 24px;
  color: var(--text-light);
  text-decoration: none;
  display: block;
  transition: all var(--transition-normal);
  border-left: 3px solid transparent;
}

.sidebar-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-left-color: var(--color-accent);
}

.sidebar-item.active {
  background: rgba(255, 255, 255, 0.15);
  border-left-color: var(--color-accent);
}

/* Alertas com tema */
.alert {
  padding: 16px 20px;
  border-radius: var(--border-radius);
  margin-bottom: 20px;
  border-left: 4px solid;
}

.alert-success {
  background: rgba(37, 211, 102, 0.1);
  color: var(--color-positive-dark);
  border-left-color: var(--color-positive);
}

.alert-warning {
  background: rgba(255, 235, 59, 0.1);
  color: var(--color-warning-dark);
  border-left-color: var(--color-warning);
}

.alert-error {
  background: rgba(244, 67, 54, 0.1);
  color: var(--color-negative-dark);
  border-left-color: var(--color-negative);
}

.alert-info {
  background: rgba(43, 130, 46, 0.1);
  color: var(--color-primary-dark);
  border-left-color: var(--color-primary);
}

/* Utilitários de cor */
.text-primary { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-secondary) !important; }
.text-accent { color: var(--color-accent) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-negative { color: var(--color-negative) !important; }
.text-positive { color: var(--color-positive) !important; }

.bg-primary { background-color: var(--color-primary) !important; }
.bg-secondary { background-color: var(--color-secondary) !important; }
.bg-accent { background-color: var(--color-accent) !important; }
.bg-warning { background-color: var(--color-warning) !important; }
.bg-negative { background-color: var(--color-negative) !important; }
.bg-positive { background-color: var(--color-positive) !important; }

/* Responsividade */
@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    min-height: auto;
  }
  
  .card {
    padding: 16px;
  }
  
  .btn {
    padding: 10px 20px;
  }
}

/* Animações */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.fade-in {
  animation: fadeIn 0.5s ease-out;
}

.slide-in {
  animation: slideIn 0.3s ease-out;
}