/* ============================================
   Nyambi Admin Dashboard — Custom Styles
   ============================================ */

/* --- Google Font --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* --- Base --- */
body {
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(107, 114, 128, 0.4);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(107, 114, 128, 0.7);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(107, 114, 128, 0.4) transparent;
}

/* --- Sidebar --- */
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
}
.sidebar-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}
.sidebar-link.active {
  color: #ffffff;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.5), rgba(139, 92, 246, 0.4));
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
}
.sidebar-link i {
  width: 1.25rem;
  text-align: center;
  font-size: 1rem;
}

/* --- Toast Notifications --- */
.toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.25rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #ffffff;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  animation: toast-slide-in 0.35s cubic-bezier(0.21, 1.02, 0.73, 1) forwards;
  backdrop-filter: blur(12px);
  max-width: 400px;
}
.toast.toast-removing {
  animation: toast-slide-out 0.3s ease-in forwards;
}
.toast-success {
  background: linear-gradient(135deg, #059669, #10b981);
}
.toast-error {
  background: linear-gradient(135deg, #dc2626, #ef4444);
}
.toast-info {
  background: linear-gradient(135deg, #4f46e5, #6366f1);
}

@keyframes toast-slide-in {
  from {
    opacity: 0;
    transform: translateX(100px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}
@keyframes toast-slide-out {
  from {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateX(100px) scale(0.9);
  }
}

/* --- Table Styles --- */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}
.data-table thead th {
  background: #f9fafb;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #6b7280;
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
  white-space: nowrap;
}
.data-table tbody tr {
  transition: background 0.15s ease;
}
.data-table tbody tr:hover {
  background: #f3f4f6;
}
.data-table tbody td {
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
  color: #374151;
  border-bottom: 1px solid #f3f4f6;
  vertical-align: middle;
}

/* --- Action Buttons --- */
.btn-approve {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.4rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(135deg, #059669, #10b981);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(5, 150, 105, 0.25);
}
.btn-approve:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(5, 150, 105, 0.35);
}
.btn-approve:active {
  transform: translateY(0);
}

.btn-reject {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.4rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(135deg, #dc2626, #ef4444);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(220, 38, 38, 0.25);
}
.btn-reject:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(220, 38, 38, 0.35);
}
.btn-reject:active {
  transform: translateY(0);
}

/* --- Login Card --- */
.login-card {
  background: #ffffff;
  border-radius: 1.25rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.12);
  overflow: hidden;
}
.login-gradient {
  background: linear-gradient(135deg, #4f46e5, #7c3aed, #a855f7);
}

/* --- Form Inputs --- */
.form-input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1.5px solid #e5e7eb;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-family: 'Inter', sans-serif;
  transition: all 0.2s ease;
  background: #ffffff;
  color: #1f2937;
}
.form-input:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.form-input::placeholder {
  color: #9ca3af;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: 0.375rem;
}

.form-select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1.5px solid #e5e7eb;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-family: 'Inter', sans-serif;
  transition: all 0.2s ease;
  background: #ffffff;
  color: #1f2937;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}
.form-select:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

/* --- Proof Image Thumbnails --- */
.proof-thumb {
  width: 3rem;
  height: 3rem;
  object-fit: cover;
  border-radius: 0.375rem;
  cursor: pointer;
  border: 1.5px solid #e5e7eb;
  transition: all 0.2s ease;
}
.proof-thumb:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* --- Image Lightbox --- */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
  cursor: pointer;
  animation: fade-in 0.2s ease;
}
.lightbox-overlay img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 0.5rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* --- Loading Spinner --- */
.spinner {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: #9ca3af;
}
.empty-state i {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

/* --- Card Stats (Dashboard) --- */
.stat-card {
  background: #ffffff;
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  border: 1px solid #f3f4f6;
  transition: all 0.2s ease;
}
.stat-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

/* --- Filter Tabs --- */
.filter-tab {
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #6b7280;
  background: #ffffff;
  border: 1.5px solid #e5e7eb;
  cursor: pointer;
  transition: all 0.2s ease;
}
.filter-tab:hover {
  color: #4f46e5;
  border-color: #c7d2fe;
  background: #eef2ff;
}
.filter-tab.active {
  color: #ffffff;
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  border-color: transparent;
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.3);
}

/* --- Mobile Sidebar --- */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 40;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-wrapper {
    margin-left: 0 !important;
  }
}