/* ============================================================
   ReciclaEQT - Estilos Globais com Light Mode & Dark Mode
   ============================================================ */

:root {
  /* Variáveis de Tema Claro (Light Mode - Padrão) */
  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  
  --primary-color: #10b981; /* Verde Sustentabilidade / Eco */
  --primary-hover: #059669;
  --primary-light: #d1fae5;
  --primary-text: #065f46;

  --accent-color: #0284c7; /* Azul Tecnológico / SESMT */
  --accent-hover: #0369a1;
  --accent-light: #e0f2fe;

  --warning-color: #f59e0b;
  --warning-light: #fef3c7;
  --warning-text: #92400e;

  --danger-color: #ef4444;
  --danger-light: #fee2e2;
  --danger-text: #991b1b;

  --success-color: #10b981;
  --success-light: #d1fae5;
  --success-text: #065f46;

  --info-color: #3b82f6;
  --info-light: #dbeafe;
  --info-text: #1e40af;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-full: 9999px;

  --transition-speed: 0.25s;
}

/* Tema Escuro (Dark Mode) */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-surface: #1e293b;
  --bg-surface-elevated: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: #334155;

  --primary-color: #10b981;
  --primary-hover: #34d399;
  --primary-light: #064e3b;
  --primary-text: #a7f3d0;

  --accent-color: #38bdf8;
  --accent-hover: #7dd3fc;
  --accent-light: #075985;

  --warning-color: #fbbf24;
  --warning-light: #78350f;
  --warning-text: #fde68a;

  --danger-color: #f87171;
  --danger-light: #7f1d1d;
  --danger-text: #fecaca;

  --success-color: #34d399;
  --success-light: #064e3b;
  --success-text: #a7f3d0;

  --info-color: #60a5fa;
  --info-light: #1e3a8a;
  --info-text: #bfdbfe;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color var(--transition-speed), color var(--transition-speed);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Container Principal */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

main.content-area {
  flex: 1;
  padding: 2rem 0;
}

/* Navbar & Header */
.navbar {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.navbar .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--text-primary);
}

.brand-logo .logo-icon {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.brand-tag {
  font-size: 0.75rem;
  background-color: var(--primary-light);
  color: var(--primary-text);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--primary-color);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-speed);
}

.theme-toggle-btn:hover {
  background-color: var(--border-color);
}

/* User Badge & Profile Menu */
.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background-color: var(--bg-surface-elevated);
  padding: 0.35rem 0.85rem 0.35rem 0.4rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
}

.user-avatar {
  width: 1.85rem;
  height: 1.85rem;
  background-color: var(--accent-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.user-info {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.user-name {
  font-weight: 600;
  color: var(--text-primary);
}

.user-role {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: var(--shadow-sm);
}

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

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

.btn-danger {
  background-color: var(--danger-color);
  color: white;
}
.btn-danger:hover {
  opacity: 0.9;
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.825rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1.1rem;
}

/* Cards & Layout Grid */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

/* EPI Catalog Card */
.epi-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.epi-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.epi-card-img {
  width: 100%;
  height: 180px;
  background-color: var(--bg-surface-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.epi-card-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
}

.epi-card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.epi-code {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.epi-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.epi-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--border-color);
}

.epi-card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.epi-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: auto;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.2;
}

.badge-success { background-color: var(--success-light); color: var(--success-text); }
.badge-warning { background-color: var(--warning-light); color: var(--warning-text); }
.badge-danger  { background-color: var(--danger-light); color: var(--danger-text); }
.badge-info    { background-color: var(--info-light); color: var(--info-text); }
.badge-secondary { background-color: var(--bg-surface-elevated); color: var(--text-secondary); border: 1px solid var(--border-color); }
.badge-primary { background-color: var(--primary-light); color: var(--primary-text); }

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}

.form-control, .form-select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-light);
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.table th {
  background-color: var(--bg-surface-elevated);
  color: var(--text-secondary);
  font-weight: 700;
  padding: 0.75rem 1rem;
  border-bottom: 2px solid var(--border-color);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  vertical-align: middle;
}

.table tbody tr:hover {
  background-color: var(--bg-surface-elevated);
}

/* Alerts */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 0.925rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.alert-success { background-color: var(--success-light); color: var(--success-text); border: 1px solid var(--success-color); }
.alert-danger  { background-color: var(--danger-light); color: var(--danger-text); border: 1px solid var(--danger-color); }
.alert-warning { background-color: var(--warning-light); color: var(--warning-text); border: 1px solid var(--warning-color); }
.alert-info    { background-color: var(--info-light); color: var(--info-text); border: 1px solid var(--info-color); }

/* Banner / Hero Section */
.hero-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(2, 132, 199, 0.15) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.hero-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
}

/* Footer */
footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 1.5rem 0;
  margin-top: auto;
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: center;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 550px;
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  transform: translateY(-20px);
  transition: transform 0.25s ease;
}

.modal-backdrop.active .modal-dialog {
  transform: translateY(0);
}

@media (max-width: 768px) {
  .hero-banner {
    flex-direction: column;
    text-align: center;
  }
  .navbar .nav-container {
    flex-wrap: wrap;
    height: auto;
    padding: 0.75rem 0;
    gap: 0.75rem;
  }
  .nav-links {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.5rem;
  }
}