/* ===================================
   Elevare Portal - CSS Styles
   =================================== */

/* CSS Variables - Cores Institucionais */
:root {
  /* Marsala */
  --color-primary: #5c1f3c;
  --color-primary-dark: #3d1428;
  --color-primary-light: #7d2d52;
  
  /* Dourado */
  --color-accent: #c9a86a;
  --color-accent-dark: #a68850;
  --color-accent-light: #d4b87e;
  
  /* Fundos */
  --color-bg: #ffffff;
  --color-bg-light: #faf8f5;
  --color-bg-dark: #f5f3f0;
  
  /* Textos */
  --color-text: #2c2c2c;
  --color-text-light: #666666;
  --color-text-lighter: #999999;
  
  /* Bordas */
  --color-border: #e5e5e5;
  --color-border-light: #f0f0f0;
  
  /* Status */
  --color-success: #28a745;
  --color-warning: #ffc107;
  --color-danger: #dc3545;
  --color-info: #17a2b8;
  
  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
  
  /* Espaçamentos */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  
  /* Breakpoints */
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1200px;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg-light);
  overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.loading-screen.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-content {
  text-align: center;
}

.logo-container-loading {
  background: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  margin-bottom: 2rem;
}

.logo-loading {
  max-width: 200px;
  height: auto;
}

.spinner {
  width: 50px;
  height: 50px;
  margin: 0 auto;
  border: 4px solid var(--color-bg-light);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Screen Management */
.screen {
  display: none;
  min-height: 100vh;
}

.screen.active {
  display: block;
}

/* Login Screen */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.login-card {
  width: 100%;
  max-width: 450px;
  background: var(--color-bg);
  border-radius: 16px;
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
}

.logo-container {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.logo {
  max-width: 180px;
  height: auto;
}

.login-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--spacing-xs);
}

.login-subtitle {
  font-size: 1rem;
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.login-form {
  margin-bottom: var(--spacing-lg);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(92, 31, 60, 0.1);
}

.error-message {
  background: #fff5f5;
  color: var(--color-danger);
  padding: var(--spacing-sm);
  border-radius: 8px;
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
  border-left: 4px solid var(--color-danger);
}

.success-message {
  background: #f0fdf4;
  color: var(--color-success);
  padding: var(--spacing-sm);
  border-radius: 8px;
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
  border-left: 4px solid var(--color-success);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-accent:hover:not(:disabled) {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--color-bg-dark);
  color: var(--color-text);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-border);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover:not(:disabled) {
  background: var(--color-primary);
  color: white;
}

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

.btn-danger:hover:not(:disabled) {
  background: #c82333;
}

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

.btn-success:hover:not(:disabled) {
  background: #218838;
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* Demo Accounts */
.login-demo {
  border-top: 1px solid var(--color-border-light);
  padding-top: var(--spacing-md);
}

.demo-title {
  font-size: 0.875rem;
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.demo-accounts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.demo-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: var(--spacing-sm);
  background: var(--color-bg-light);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.875rem;
  color: var(--color-text);
}

.demo-btn:hover {
  border-color: var(--color-primary);
  background: white;
  transform: translateY(-2px);
}

.demo-btn i {
  font-size: 1.5rem;
  color: var(--color-primary);
}

/* App Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 280px;
  background: var(--color-primary);
  color: white;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 1000;
  transition: transform 0.3s ease;
  overflow-y: auto;
}

.sidebar-header {
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-sidebar-container {
  background: white;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  flex: 1;
  text-align: center;
}

.logo-sidebar {
  max-width: 140px;
  height: auto;
}

.sidebar-close {
  display: none;
  background: transparent;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  margin-left: var(--spacing-sm);
}

.sidebar-nav {
  flex: 1;
  padding: var(--spacing-md) 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: 500;
  border-left: 4px solid transparent;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

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

.nav-item i {
  width: 20px;
  text-align: center;
  font-size: 1.1rem;
}

.sidebar-footer {
  padding: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-logout {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: white;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-logout:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 280px;
  display: flex;
  flex-direction: column;
}

.header {
  background: var(--color-bg);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 900;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text);
  cursor: pointer;
  padding: 0.5rem;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  flex: 1;
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.user-name {
  font-weight: 500;
  color: var(--color-text);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.content {
  flex: 1;
  padding: var(--spacing-lg);
  overflow-y: auto;
}

/* Cards */
.card {
  background: var(--color-bg);
  border-radius: 12px;
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

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

.card-header {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.card-body {
  color: var(--color-text);
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.stat-card {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  border-radius: 12px;
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
}

.stat-card.accent {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
}

.stat-card.success {
  background: linear-gradient(135deg, #28a745 0%, #218838 100%);
}

.stat-card.info {
  background: linear-gradient(135deg, #17a2b8 0%, #117a8b 100%);
}

.stat-icon {
  font-size: 2.5rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-sm);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* Progress Bar */
.progress {
  width: 100%;
  height: 12px;
  background: var(--color-bg-dark);
  border-radius: 6px;
  overflow: hidden;
  margin: var(--spacing-sm) 0;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  transition: width 0.5s ease;
  border-radius: 6px;
}

/* Tables */
.table-container {
  overflow-x: auto;
  margin-top: var(--spacing-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-bg);
}

th {
  background: var(--color-bg-dark);
  color: var(--color-text);
  font-weight: 600;
  text-align: left;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 2px solid var(--color-border);
}

td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border-light);
}

tr:hover {
  background: var(--color-bg-light);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 500;
}

.badge-primary {
  background: rgba(92, 31, 60, 0.1);
  color: var(--color-primary);
}

.badge-success {
  background: rgba(40, 167, 69, 0.1);
  color: var(--color-success);
}

.badge-warning {
  background: rgba(255, 193, 7, 0.1);
  color: #856404;
}

.badge-danger {
  background: rgba(220, 53, 69, 0.1);
  color: var(--color-danger);
}

.badge-info {
  background: rgba(23, 162, 184, 0.1);
  color: var(--color-info);
}

/* Task List */
.task-list {
  list-style: none;
}

.task-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--color-bg-light);
  border-radius: 8px;
  margin-bottom: var(--spacing-sm);
  transition: all 0.3s ease;
}

.task-item:hover {
  background: var(--color-bg-dark);
}

.task-checkbox {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

.task-content {
  flex: 1;
}

.task-title {
  font-weight: 500;
  color: var(--color-text);
}

.task-meta {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: 0.25rem;
}

/* Materials Grid */
.materials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.material-card {
  background: var(--color-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.material-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.material-thumbnail {
  width: 100%;
  height: 160px;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
}

.material-body {
  padding: var(--spacing-md);
}

.material-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.material-type {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.material-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

/* Filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.filter-btn {
  padding: 0.5rem 1rem;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

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

.modal-content {
  background: var(--color-bg);
  border-radius: 12px;
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal.active .modal-content {
  transform: scale(1);
}

.modal-header {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-light);
  cursor: pointer;
  padding: 0.5rem;
  transition: color 0.3s ease;
}

.modal-close:hover {
  color: var(--color-text);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text-light);
}

.empty-state i {
  font-size: 4rem;
  color: var(--color-border);
  margin-bottom: var(--spacing-md);
}

.empty-state h3 {
  font-size: 1.5rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.active {
    transform: translateX(0);
  }
  
  .sidebar-close {
    display: block;
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .page-title {
    font-size: 1.25rem;
  }
  
  .user-name {
    display: none;
  }
  
  .content {
    padding: var(--spacing-md);
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .demo-accounts {
    grid-template-columns: 1fr;
  }
  
  .stat-card {
    text-align: center;
  }
  
  .materials-grid {
    grid-template-columns: 1fr;
  }
  
  .modal-content {
    width: 95%;
    margin: var(--spacing-sm);
  }
}

@media (max-width: 576px) {
  .login-card {
    padding: var(--spacing-md);
  }
  
  .login-title {
    font-size: 1.5rem;
  }
  
  .filters {
    flex-direction: column;
  }
  
  .filter-btn {
    width: 100%;
  }
  
  table {
    font-size: 0.875rem;
  }
  
  th, td {
    padding: var(--spacing-xs) var(--spacing-sm);
  }
}

/* Utilities */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

.hidden {
  display: none !important;
}

/* Print Styles */
@media print {
  .sidebar,
  .header,
  .btn,
  .modal {
    display: none !important;
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .content {
    padding: 0;
  }
}