/* CRM Custom Styles */
* { box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; margin: 0; }

.sidebar {
  width: 280px;
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  color: white;
  height: 100vh;
  overflow-y: auto;
  position: fixed;
  left: 0;
  top: 0;
  box-shadow: 2px 0 10px rgba(0,0,0,0.1);
  z-index: 30;
}
.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 3px; }

.main-content {
  margin-left: 280px;
  min-height: 100vh;
  padding: 0;
}

.folder-item {
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 8px;
}
.folder-item:hover { background: rgba(255,255,255,0.1); }
.folder-item.active { background: rgba(59, 130, 246, 0.3); border-left: 3px solid #3b82f6; }

.client-item {
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 6px;
  padding-left: 2.5rem !important;
}
.client-item:hover { background: rgba(255,255,255,0.05); }
.client-item.active { background: rgba(59, 130, 246, 0.4); }

.ledger-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}
.ledger-table th {
  background: #f1f5f9;
  padding: 12px 8px;
  text-align: left;
  font-weight: 600;
  color: #334155;
  border-bottom: 2px solid #cbd5e1;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: sticky;
  top: 0;
  z-index: 5;
}
.ledger-table td {
  padding: 8px;
  border-bottom: 1px solid #e2e8f0;
  font-size: 14px;
}
.ledger-table tr:hover { background: #f8fafc; }
.ledger-table input, .ledger-table select {
  width: 100%;
  border: 1px solid transparent;
  padding: 6px 8px;
  border-radius: 4px;
  background: transparent;
  font-size: 14px;
}
.ledger-table input:focus, .ledger-table select:focus {
  border-color: #3b82f6;
  background: white;
  outline: none;
  box-shadow: 0 0 0 2px rgba(59,130,246,0.2);
}

.status-badge {
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  display: inline-block;
}
.status-pending { background: #fef3c7; color: #92400e; }
.status-received { background: #d1fae5; color: #065f46; }
.status-partial { background: #dbeafe; color: #1e40af; }
.status-overdue { background: #fee2e2; color: #991b1b; }
.status-cancelled { background: #e5e7eb; color: #374151; }

.stat-card {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  transition: transform 0.2s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.1); }

.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-box {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.btn {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn-primary { background: #3b82f6; color: white; }
.btn-primary:hover { background: #2563eb; }
.btn-secondary { background: #e5e7eb; color: #374151; }
.btn-secondary:hover { background: #d1d5db; }
.btn-danger { background: #ef4444; color: white; }
.btn-danger:hover { background: #dc2626; }
.btn-success { background: #10b981; color: white; }
.btn-success:hover { background: #059669; }

.input-field {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  transition: all 0.2s;
}
.input-field:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

.login-container {
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-box {
  background: white;
  padding: 3rem;
  border-radius: 16px;
  width: 90%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 12px 20px;
  border-radius: 8px;
  color: white;
  font-weight: 500;
  z-index: 100;
  animation: slideIn 0.3s;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.toast-success { background: #10b981; }
.toast-error { background: #ef4444; }
.toast-info { background: #3b82f6; }
@keyframes slideIn { from { transform: translateX(100%); } to { transform: translateX(0); } }

.balance-box {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(102,126,234,0.3);
}

.dropdown {
  position: relative;
  display: inline-block;
}
.dropdown-content {
  display: none;
  position: absolute;
  right: 0;
  background: white;
  min-width: 180px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  border-radius: 8px;
  z-index: 20;
  overflow: hidden;
}
.dropdown-content a {
  display: block;
  padding: 10px 16px;
  color: #374151;
  text-decoration: none;
  font-size: 14px;
}
.dropdown-content a:hover { background: #f3f4f6; }
.dropdown.open .dropdown-content { display: block; }

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
  }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
}