:root {
  --bg-dark: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.75);
  --bg-card-hover: rgba(51, 65, 85, 0.85);
  --sidebar-width: 260px;
  --border-color: rgba(255, 255, 255, 0.08);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --emerald: #10b981;
  --emerald-hover: #059669;
  --rose: #f43f5e;
  --amber: #f59e0b;
  --purple: #8b5cf6;
  --radius-lg: 16px;
  --radius-md: 10px;
  --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-dark);
  background-image: 
    radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.12) 0px, transparent 50%);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
}

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

/* Sidebar Styling */
.sidebar {
  width: var(--sidebar-width);
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
}

.sidebar-brand {
  padding: 1.5rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-brand .brand-icon {
  font-size: 2rem;
}

.sidebar-brand h2 {
  font-size: 1.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, #60a5fa, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-menu {
  padding: 1.25rem 0.85rem;
  flex: 1;
  overflow-y: auto;
}

.menu-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.4rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.92rem;
  margin-bottom: 0.4rem;
  transition: var(--transition);
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.nav-item.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.25), rgba(16, 185, 129, 0.25));
  color: #60a5fa;
  border: 1px solid rgba(96, 165, 250, 0.3);
  font-weight: 600;
}

.nav-icon {
  font-size: 1.2rem;
}

.sidebar-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--border-color);
  background: rgba(15, 23, 42, 0.5);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 40px;
  height: 40px;
  background: rgba(59, 130, 246, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.user-details {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 0.9rem;
  font-weight: 600;
}

.user-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Content Wrapper */
.content-wrapper {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Top Header */
.top-header {
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(10px);
}

.header-title h2 {
  font-size: 1.4rem;
  font-weight: 700;
}

.header-title p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Main Content */
.main-content {
  padding: 2rem;
  flex: 1;
}

/* Page Views */
.page-view {
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cards & Glassmorphism */
.card, .metric-card, .login-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.card:hover, .metric-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.metric-card {
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.metric-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.icon-emerald { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.icon-blue { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.icon-purple { background: rgba(139, 92, 246, 0.15); color: #a78bfa; }
.icon-amber { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }

.metric-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metric-value {
  font-size: 1.45rem;
  font-weight: 700;
  margin-top: 0.2rem;
}

.metric-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Charts Grid */
.charts-grid {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.flex-1 { flex: 1; }
.flex-2 { flex: 2; }

@media (max-width: 992px) {
  .charts-grid {
    flex-direction: column;
  }
}

.chart-card {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.card-header {
  margin-bottom: 1.25rem;
}

.card-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Table Section */
.table-card {
  padding: 1.5rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: rgba(15, 23, 42, 0.5);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.65rem 1rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

/* Buttons */
.btn {
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition);
  font-family: inherit;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); }

.btn-emerald { background: var(--emerald); color: white; }
.btn-emerald:hover { background: var(--emerald-hover); transform: translateY(-1px); }

.btn-secondary { background: rgba(255, 255, 255, 0.1); color: var(--text-main); }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.2); }

.btn-outline-danger { background: transparent; border: 1px solid var(--rose); color: var(--rose); }
.btn-outline-danger:hover { background: var(--rose); color: white; }

.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.8rem; }
.btn-block { width: 100%; }
.mt-2 { margin-top: 0.75rem; }

/* Table */
.table-responsive {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.table th, .table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
}

.table th {
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table tbody tr {
  transition: var(--transition);
}

.table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.amount-cell {
  font-weight: 700;
  color: #34d399;
}

.badge {
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-success { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.badge-bank { background: rgba(59, 130, 246, 0.2); color: #60a5fa; }
.badge-amber { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.badge-danger { background: rgba(244, 63, 94, 0.2); color: #fecdd3; }

.img-thumb {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.img-thumb:hover {
  transform: scale(1.15);
}

/* Pagination */
.pagination-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.pagination-buttons {
  display: flex;
  gap: 0.5rem;
}

/* Settings View Grid */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.settings-item {
  padding: 1.25rem;
  background: rgba(15, 23, 42, 0.6);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.setting-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

.hidden { display: none !important; }

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: #1e293b;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow);
  z-index: 1001;
  overflow: hidden;
}

.modal-lg { max-width: 720px; }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-body { padding: 1.5rem; }

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

.img-preview {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .sidebar {
    width: 70px;
  }
  .sidebar-brand .brand-text, .nav-title, .menu-label, .user-details {
    display: none;
  }
  .content-wrapper {
    margin-left: 70px;
  }
  .main-content {
    padding: 1rem;
  }
}

/* ==========================================================================
   Alerts & Notifications
   ========================================================================== */
.alert {
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  line-height: 1.4;
  animation: fadeIn 0.25s ease-in-out;
}

.alert-danger {
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.35);
  color: #fecdd3;
}

.alert-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #a7f3d0;
}

/* ==========================================================================
   Login Page Styling (Ultra-Clean Modern Glassmorphism)
   ========================================================================== */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-dark);
  background-image: 
    radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.18) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.18) 0px, transparent 50%),
    radial-gradient(at 50% 50%, rgba(139, 92, 246, 0.08) 0px, transparent 60%);
  padding: 1.5rem;
}

.login-container {
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
}

.login-card {
  background: rgba(30, 41, 59, 0.82);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  padding: 2.5rem 2.25rem;
  box-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.6), 0 0 30px 0 rgba(59, 130, 246, 0.1);
  animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-icon-box {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.25), rgba(16, 185, 129, 0.25));
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px -5px rgba(59, 130, 246, 0.3);
}

.login-icon {
  font-size: 2rem;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.login-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #60a5fa, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.35rem;
}

.login-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 400;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  text-align: left;
}

.form-label {
  font-size: 0.84rem;
  font-weight: 600;
  color: #cbd5e1;
  letter-spacing: 0.2px;
}

.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 1rem;
  font-size: 1.05rem;
  color: var(--text-muted);
  pointer-events: none;
  z-index: 2;
}

.input-group .form-control {
  padding-left: 2.85rem;
  padding-right: 2.85rem;
  height: 48px;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--text-main);
  transition: var(--transition);
}

.input-group .form-control:focus {
  background: rgba(15, 23, 42, 0.95);
  border-color: #60a5fa;
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

.password-toggle {
  position: absolute;
  right: 0.75rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.4rem 0.5rem;
  font-size: 1.1rem;
  border-radius: 6px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.password-toggle:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
}

.btn-login {
  height: 48px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  margin-top: 0.5rem;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  box-shadow: 0 8px 20px -4px rgba(59, 130, 246, 0.4);
  border-radius: var(--radius-md);
}

.btn-login:hover:not(:disabled) {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  box-shadow: 0 12px 24px -4px rgba(59, 130, 246, 0.5);
  transform: translateY(-2px);
}

.btn-login:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-arrow {
  transition: transform 0.2s ease;
}

.btn-login:hover:not(:disabled) .btn-arrow {
  transform: translateX(4px);
}

.login-footer {
  margin-top: 1.75rem;
  text-align: center;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.login-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: #34d399;
  background: rgba(16, 185, 129, 0.12);
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

/* Sidebar Footer & Logout Button Enhancement */
.sidebar-footer {
  padding: 1.25rem 1rem;
  border-top: 1px solid var(--border-color);
  background: rgba(15, 23, 42, 0.7);
}

#logoutBtn {
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
}

#logoutBtn:hover {
  background: rgba(244, 63, 94, 0.18);
  border-color: #f43f5e;
  color: #fda4af;
  transform: translateY(-1px);
}