/* ===================================
   Sistema GEM - Estilos Globais
   =================================== */

:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --secondary: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #06b6d4;
  --dark: #1f2937;
  --gray: #6b7280;
  --light-gray: #f3f4f6;
  --border: #e5e7eb;
  --white: #ffffff;
  --success: #22c55e;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  background: var(--light-gray);
  color: var(--dark);
  line-height: 1.6;
}

/* ===================================
   Login e Seleção de GEM
   =================================== */

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.login-box {
  background: var(--white);
  padding: 40px;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
}

.login-box h1 {
  font-size: 28px;
  margin-bottom: 8px;
  color: var(--dark);
  text-align: center;
}

.login-box .subtitle {
  text-align: center;
  color: var(--gray);
  margin-bottom: 32px;
  font-size: 14px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--dark);
  font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  width: 100%;
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover:not(:disabled) {
  background: #059669;
}

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

.btn-danger:hover:not(:disabled) {
  background: #dc2626;
}

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

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

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

/* ===================================
   Layout Principal (Dashboard)
   =================================== */

.main-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 280px;
  background: var(--white);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-header h2 {
  font-size: 20px;
  color: var(--dark);
  margin-bottom: 4px;
}

.sidebar-header .gem-name {
  font-size: 13px;
  color: var(--gray);
  font-weight: 500;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--gray);
  text-decoration: none;
  transition: all 0.2s;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
}

.nav-item:hover {
  background: var(--light-gray);
  color: var(--primary);
}

.nav-item.active {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  border-right: 3px solid var(--primary);
}

.nav-item i {
  font-size: 18px;
  width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 16px;
}

.user-details {
  flex: 1;
}

.user-details .name {
  font-weight: 600;
  font-size: 14px;
  color: var(--dark);
}

.user-details .role {
  font-size: 12px;
  color: var(--gray);
}

.main-content {
  flex: 1;
  margin-left: 280px;
  padding: 32px;
}

.page-header {
  margin-bottom: 32px;
}

.page-header h1 {
  font-size: 32px;
  color: var(--dark);
  margin-bottom: 8px;
}

.page-header p {
  color: var(--gray);
  font-size: 15px;
}

/* ===================================
   Cards e Estatísticas
   =================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--white);
  padding: 24px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: all 0.2s;
}

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

.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.stat-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.stat-card-icon.blue {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
}

.stat-card-icon.green {
  background: rgba(16, 185, 129, 0.1);
  color: var(--secondary);
}

.stat-card-icon.orange {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.stat-card-icon.red {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

.stat-card-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.stat-card-label {
  font-size: 14px;
  color: var(--gray);
  font-weight: 500;
}

.card {
  background: var(--white);
  padding: 24px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.card-header h3 {
  font-size: 18px;
  color: var(--dark);
}

/* ===================================
   Tabelas
   =================================== */

.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

table thead {
  background: var(--light-gray);
}

table th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 14px;
  color: var(--dark);
  border-bottom: 2px solid var(--border);
}

table td {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--dark);
}

table tbody tr:hover {
  background: var(--light-gray);
}

/* ===================================
   Badges e Status
   =================================== */

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-success {
  background: rgba(34, 197, 94, 0.1);
  color: var(--success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

.badge-info {
  background: rgba(6, 182, 212, 0.1);
  color: var(--info);
}

.badge-primary {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
}

/* ===================================
   Modals
   =================================== */

.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  padding: 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 20px;
  color: var(--dark);
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--gray);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.2s;
}

.modal-close:hover {
  background: var(--light-gray);
  color: var(--dark);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* ===================================
   Toast / Notificações
   =================================== */

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  background: var(--white);
  padding: 16px 20px;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 300px;
  max-width: 400px;
  animation: slideIn 0.3s ease;
  border-left: 4px solid;
}

.toast.success {
  border-color: var(--success);
}

.toast.error {
  border-color: var(--danger);
}

.toast.warning {
  border-color: var(--warning);
}

.toast.info {
  border-color: var(--info);
}

.toast-icon {
  font-size: 20px;
}

.toast.success .toast-icon {
  color: var(--success);
}

.toast.error .toast-icon {
  color: var(--danger);
}

.toast.warning .toast-icon {
  color: var(--warning);
}

.toast.info .toast-icon {
  color: var(--info);
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 2px;
}

.toast-message {
  font-size: 13px;
  color: var(--gray);
}

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ===================================
   Arquivos & Links
   =================================== */

.files-header {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.files-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--border);
}

.tab {
  padding: 12px 24px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray);
  cursor: pointer;
  transition: all 0.2s;
}

.tab:hover {
  color: var(--primary);
}

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.quota-bar {
  background: var(--light-gray);
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 24px;
}

.quota-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 14px;
}

.quota-progress {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.quota-progress-bar {
  height: 100%;
  background: var(--primary);
  transition: width 0.3s;
}

.quota-progress-bar.warning {
  background: var(--warning);
}

.quota-progress-bar.danger {
  background: var(--danger);
}

.files-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.file-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  transition: all 0.2s;
  cursor: pointer;
}

.file-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.file-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 16px;
}

.file-card-icon.pdf {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

.file-card-icon.image {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.file-card-icon.audio {
  background: rgba(16, 185, 129, 0.1);
  color: var(--secondary);
}

.file-card-icon.video {
  background: rgba(139, 92, 246, 0.1);
  color: #8b5cf6;
}

.file-card-icon.link {
  background: rgba(6, 182, 212, 0.1);
  color: var(--info);
}

.file-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.file-card-meta {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 12px;
}

.file-card-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ===================================
   Upload Progress
   =================================== */

.upload-progress {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 20px;
}

.upload-progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.upload-progress-bar {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}

.upload-progress-fill {
  height: 100%;
  background: var(--primary);
  transition: width 0.3s;
}

.upload-progress-info {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--gray);
}

/* ===================================
   Responsivo
   =================================== */

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding: 20px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .files-grid {
    grid-template-columns: 1fr;
  }

  .page-header h1 {
    font-size: 24px;
  }
}

/* ===================================
   Utilidades
   =================================== */

.hidden {
  display: none !important;
}

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

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

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.flex {
  display: flex;
}

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

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

.gap-2 {
  gap: 16px;
}

.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 0.6s linear infinite;
}

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