/* Reset & base */
*{
   margin:0;
   padding:0;
   box-sizing:border-box;
   font-family:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
   scroll-behavior: smooth;
}

:root {
   --primary: #3b82f6;
   --primary-dark: #2563eb;
   --primary-light: #60a5fa;
   --secondary: #8b5cf6;
   --success: #10b981;
   --warning: #f59e0b;
   --danger: #ef4444;
   --info: #06b6d4;
   --gray-50: #f9fafb;
   --gray-100: #f3f4f6;
   --gray-200: #e5e7eb;
   --gray-300: #d1d5db;
   --gray-400: #9ca3af;
   --gray-500: #6b7280;
   --gray-600: #4b5563;
   --gray-700: #374151;
   --gray-800: #1f2937;
   --gray-900: #111827;
   --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);
   --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
   --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.light{
   --bg: #ffffff;
   --bg-secondary: #f8fafc;
   --text: #1e293b;
   --text-secondary: #64748b;
   --card: #ffffff;
   --border: #e2e8f0;
   --hover: #f1f5f9;
}

body.dark{
   --bg: #0f172a;
   --bg-secondary: #1e293b;
   --text: #f1f5f9;
   --text-secondary: #94a3b8;
   --card: #1e293b;
   --border: #334155;
   --hover: #334155;
}

body{
   background: linear-gradient(135deg, var(--bg) 0%, var(--bg-secondary) 100%);
   color:var(--text);
   transition:var(--transition);
   min-height: 100vh;
   line-height: 1.6;
}

a{
   text-decoration:none;
   color:inherit
}


.dashboard{display:flex;
   transition:all 0.3s
}


/* Sidebar */
.sidebar{
   width:260px;
   background: linear-gradient(180deg, var(--card) 0%, rgba(59, 130, 246, 0.05) 100%);
   min-height:100vh;
   padding:24px;
   transition:var(--transition);
   position: relative;
   border-right: 1px solid var(--border);
   backdrop-filter: blur(10px);
}

.sidebar.collapsed{
   width:80px;
   padding: 24px 16px;
}

.sidebar .logo{
   display:flex;
   justify-content:space-between;
   align-items:center;
   margin-bottom:48px;
   padding-bottom: 24px;
   border-bottom: 1px solid var(--border);
}

.sidebar .logo h2{
   font-size: 1.5rem;
   font-weight: 700;
   background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
   letter-spacing: -0.5px;
}

.sidebar.collapsed .logo h2 {
   display: none;
}

.sidebar .menu {
   display: flex;
   flex-direction: column;
   gap: 4px;
}

.sidebar .menu a{
   display:flex;
   align-items: center;
   gap: 12px;
   padding:14px 16px;
   color:var(--text-secondary);
   border-radius: 12px;
   transition:var(--transition);
   cursor:pointer;
   font-weight: 500;
   position: relative;
   overflow: hidden;
}

.sidebar .menu a::before {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   width: 0;
   height: 100%;
   background: linear-gradient(90deg, var(--primary), var(--primary-light));
   transition: var(--transition);
   opacity: 0.1;
}

.sidebar .menu a:hover::before {
   width: 100%;
}

.sidebar .menu a.active,
.sidebar .menu a:hover{
   color: var(--primary);
   background: rgba(59, 130, 246, 0.1);
   transform: translateX(4px);
}

.sidebar .menu a.active {
   background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
   color: var(--primary-dark);
   font-weight: 600;
}

.sidebar.collapsed .menu a span {
   display: none;
}



/* Main */
.main-content{
   flex:1;
   padding:20px 30px;
   transition:all 0.3s
}

/* Sections */
.section {
   opacity: 1;
   transform: translateY(0);
   transition: opacity 0.3s ease, transform 0.3s ease;
}

.section h2 {
   font-size: 1.8rem;
   font-weight: 700;
   color: var(--text);
   margin-bottom: 24px;
   background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
}

/* Header */
.header{
   display:flex;
   justify-content:space-between;
   align-items:center;
   margin-bottom:32px;
   padding: 20px 24px;
   background: var(--card);
   border-radius: 16px;
   box-shadow: var(--shadow-sm);
   border: 1px solid var(--border);
}

.header .search {
   position: relative;
   flex: 1;
   max-width: 400px;
}

.header .search::before {
   content: '🔍';
   position: absolute;
   left: 16px;
   top: 50%;
   transform: translateY(-50%);
   color: var(--text-secondary);
}

.header .search input{
   width: 100%;
   padding:12px 16px 12px 48px;
   border-radius: 12px;
   border: 2px solid var(--border);
   background: var(--bg);
   color:var(--text);
   font-size: 0.95rem;
   transition: var(--transition);
}

.header .search input:focus {
   outline: none;
   border-color: var(--primary);
   box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.header-right{
   display:flex;
   align-items:center;
   gap:20px;
}

.header-right button{
   cursor:pointer;
   background: var(--bg);
   border: 2px solid var(--border);
   font-size:1.1rem;
   color:var(--text);
   padding: 10px;
   border-radius: 12px;
   transition: var(--transition);
}

.header-right button:hover {
   background: var(--hover);
   transform: scale(1.05);
}

.notifications,.messages{
   position:relative;
   cursor:pointer;
   padding: 10px;
   border-radius: 12px;
   transition: var(--transition);
}

.notifications:hover,
.messages:hover {
   background: var(--hover);
}

.badge{
   position:absolute;
   top:-4px;
   right:-4px;
   background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
   color:#fff;
   border-radius: 50%;
   padding:2px 6px;
   font-size:0.7rem;
   font-weight: 600;
   min-width: 18px;
   text-align: center;
   box-shadow: var(--shadow);
}

.dropdown{
   position:absolute;
   top:60px;
   right:0;
   background: var(--card);
   box-shadow:var(--shadow-xl);
   border-radius: 16px;
   overflow:hidden;
   display:none;
   min-width:280px;
   z-index:1000;
   border: 1px solid var(--border);
   backdrop-filter: blur(10px);
}

.dropdown::before {
   content: '';
   position: absolute;
   top: -8px;
   right: 20px;
   width: 16px;
   height: 16px;
   background: var(--card);
   transform: rotate(45deg);
   border-left: 1px solid var(--border);
   border-top: 1px solid var(--border);
}

.dropdown ul{
   list-style:none;
   max-height: 400px;
   overflow-y: auto;
}

.dropdown ul li{
   padding:16px 20px;
   border-bottom:1px solid var(--border);
   transition:var(--transition);
   font-size: 0.9rem;
}

.dropdown ul li:last-child {
   border-bottom: none;
}

.dropdown ul li:hover{
   background: var(--hover);
}

.dropdown ul li:first-child {
   font-weight: 600;
   color: var(--primary);
}


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

.card{
   background: linear-gradient(135deg, var(--card) 0%, rgba(59, 130, 246, 0.02) 100%);
   padding:28px;
   border-radius: 16px;
   box-shadow:var(--shadow-md);
   transition:var(--transition);
   cursor:pointer;
   position: relative;
   overflow: hidden;
   border: 1px solid var(--border);
}

.card::before {
   content: '';
   position: absolute;
   top: 0;
   right: 0;
   width: 100px;
   height: 100px;
   background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
   opacity: 0.05;
   border-radius: 50%;
   transform: translate(30px, -30px);
}

.card:hover{
   transform: translateY(-8px) scale(1.02);
   box-shadow: var(--shadow-xl);
   border-color: var(--primary-light);
}

.card h3{
   font-size: 0.875rem;
   font-weight: 600;
   margin-bottom: 12px;
   color: var(--text-secondary);
   text-transform: uppercase;
   letter-spacing: 0.5px;
}

.card p{
   font-size: 2rem;
   font-weight: 700;
   background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
   line-height: 1.2;
}

.card .card-icon {
   position: absolute;
   top: 20px;
   right: 20px;
   width: 40px;
   height: 40px;
   background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
   border-radius: 12px;
   display: flex;
   align-items: center;
   justify-content: center;
   color: white;
   font-size: 1.2rem;
}

/* Charts */
.charts{
   display:grid;
   grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
   gap:24px;
   margin-bottom:32px;
}

.chart-container{
   background: var(--card);
   padding:32px;
   border-radius: 16px;
   box-shadow:var(--shadow-md);
   border: 1px solid var(--border);
   position: relative;
   transition: var(--transition);
}

.chart-container:hover {
   box-shadow: var(--shadow-lg);
   transform: translateY(-2px);
}

.chart-container h3 {
   margin-bottom: 20px;
   font-size: 1.1rem;
   font-weight: 600;
   color: var(--text);
}

.chart-header {
   display: flex;
   justify-content: space-between;
   align-items: center;
   margin-bottom: 24px;
}

.chart-actions {
   display: flex;
   gap: 8px;
}

.chart-actions button {
   padding: 8px 12px;
   border: 1px solid var(--border);
   background: var(--bg);
   color: var(--text-secondary);
   border-radius: 8px;
   cursor: pointer;
   font-size: 0.85rem;
   transition: var(--transition);
}

.chart-actions button:hover {
   background: var(--primary);
   color: white;
   border-color: var(--primary);
}



/* Table */
.recent{
   background: var(--card);
   padding:32px;
   border-radius: 16px;
   box-shadow:var(--shadow-md);
   border: 1px solid var(--border);
   overflow: hidden;
}

.recent h2 {
   margin-bottom: 24px;
   font-size: 1.3rem;
   font-weight: 600;
   color: var(--text);
}

.table-actions {
   display: flex;
   justify-content: space-between;
   align-items: center;
   margin-bottom: 20px;
   flex-wrap: wrap;
   gap: 16px;
}

.table-filters {
   display: flex;
   gap: 12px;
   flex-wrap: wrap;
}

.table-filters select,
.table-filters input {
   padding: 8px 12px;
   border: 1px solid var(--border);
   border-radius: 8px;
   background: var(--bg);
   color: var(--text);
   font-size: 0.9rem;
}

.table-filters button {
   padding: 8px 16px;
   background: var(--primary);
   color: white;
   border: none;
   border-radius: 8px;
   cursor: pointer;
   font-size: 0.9rem;
   transition: var(--transition);
}

.table-filters button:hover {
   background: var(--primary-dark);
}

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

.recent th{
   background: var(--bg);
   padding:16px;
   text-align:left;
   font-weight: 600;
   color: var(--text-secondary);
   font-size: 0.85rem;
   text-transform: uppercase;
   letter-spacing: 0.5px;
   border-bottom: 2px solid var(--border);
}

.recent td{
   padding:16px;
   text-align:left;
   border-bottom:1px solid var(--border);
   color: var(--text);
}

.recent tr:hover{
   background: var(--hover);
}

.recent tr:last-child td {
   border-bottom: none;
}

.table-pagination {
   display: flex;
   justify-content: space-between;
   align-items: center;
   margin-top: 20px;
   padding-top: 20px;
   border-top: 1px solid var(--border);
}

.pagination-info {
   color: var(--text-secondary);
   font-size: 0.9rem;
}

.pagination-controls {
   display: flex;
   gap: 8px;
}

.pagination-controls button {
   padding: 8px 12px;
   border: 1px solid var(--border);
   background: var(--bg);
   color: var(--text);
   border-radius: 8px;
   cursor: pointer;
   transition: var(--transition);
}

.pagination-controls button:hover:not(:disabled) {
   background: var(--primary);
   color: white;
   border-color: var(--primary);
}

.pagination-controls button:disabled {
   opacity: 0.5;
   cursor: not-allowed;
}

.pagination-controls button.active {
   background: var(--primary);
   color: white;
   border-color: var(--primary);
}

/* Status badges */
.status {
   padding: 4px 12px;
   border-radius: 20px;
   font-size: 0.8rem;
   font-weight: 600;
   text-transform: uppercase;
   letter-spacing: 0.5px;
}

.status.active {
   background: rgba(16, 185, 129, 0.1);
   color: var(--success);
   border: 1px solid rgba(16, 185, 129, 0.2);
}

.status.inactive {
   background: rgba(239, 68, 68, 0.1);
   color: var(--danger);
   border: 1px solid rgba(239, 68, 68, 0.2);
}

.status.pending {
   background: rgba(245, 158, 11, 0.1);
   color: var(--warning);
   border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Action buttons */
.action-btn {
   padding: 6px 10px;
   border: 1px solid var(--border);
   background: var(--bg);
   color: var(--text-secondary);
   border-radius: 6px;
   cursor: pointer;
   font-size: 0.9rem;
   transition: var(--transition);
   margin-right: 4px;
}

.action-btn:hover {
   background: var(--primary);
   color: white;
   border-color: var(--primary);
   transform: scale(1.05);
}


/* Responsive */
@media(max-width:1024px) {
   .charts {
      grid-template-columns: 1fr;
   }
   
   .cards {
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
   }
}

@media(max-width:768px) {
   .dashboard {
      flex-direction: column;
   }
   
   .sidebar {
      width: 100%;
      min-height: auto;
      position: fixed;
      top: 0;
      left: -100%;
      z-index: 1000;
      transition: left 0.3s ease;
   }
   
   .sidebar.active {
      left: 0;
   }
   
   .sidebar.collapsed {
      width: 100%;
   }
   
   .main-content {
      margin-left: 0;
      padding: 16px;
   }
   
   .header {
      flex-direction: column;
      gap: 16px;
      padding: 16px;
   }
   
   .header .search {
      max-width: 100%;
   }
   
   .cards {
      grid-template-columns: 1fr;
      gap: 16px;
   }
   
   .table-actions {
      flex-direction: column;
      align-items: stretch;
   }
   
   .table-filters {
      flex-direction: column;
   }
   
   .recent {
      padding: 20px;
      overflow-x: auto;
   }
   
   .recent table {
      min-width: 600px;
   }
}

@media(max-width:480px) {
   .header-right {
      gap: 12px;
   }
   
   .card {
      padding: 20px;
   }
   
   .card p {
      font-size: 1.5rem;
   }
   
   .chart-container {
      padding: 20px;
   }
}

/* Loading states */
.loading {
   position: relative;
   overflow: hidden;
}

.loading::after {
   content: '';
   position: absolute;
   top: 0;
   left: -100%;
   width: 100%;
   height: 100%;
   background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
   animation: loading 1.5s infinite;
}

@keyframes loading {
   0% { left: -100%; }
   100% { left: 100%; }
}

/* Animations */
@keyframes fadeIn {
   from { opacity: 0; transform: translateY(20px); }
   to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
   from { transform: translateX(-100%); }
   to { transform: translateX(0); }
}

@keyframes pulse {
   0%, 100% { opacity: 1; }
   50% { opacity: 0.5; }
}

.fade-in {
   animation: fadeIn 0.5s ease-out;
}

.slide-in {
   animation: slideIn 0.3s ease-out;
}

.pulse {
   animation: pulse 2s infinite;
}

/* Custom scrollbar */
::-webkit-scrollbar {
   width: 8px;
   height: 8px;
}

::-webkit-scrollbar-track {
   background: var(--bg);
}

::-webkit-scrollbar-thumb {
   background: var(--gray-400);
   border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
   background: var(--gray-500);
}

/* Focus states */
button:focus-visible,
input:focus-visible,
select:focus-visible {
   outline: 2px solid var(--primary);
   outline-offset: 2px;
}

/* Settings Section */
.settings-grid {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
   gap: 24px;
   margin-top: 24px;
}

.setting-card {
   background: var(--card);
   border-radius: 16px;
   box-shadow: var(--shadow-md);
   border: 1px solid var(--border);
   overflow: hidden;
   transition: var(--transition);
}

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

.setting-header {
   display: flex;
   align-items: center;
   gap: 16px;
   padding: 24px;
   background: linear-gradient(135deg, var(--bg) 0%, rgba(59, 130, 246, 0.05) 100%);
   border-bottom: 1px solid var(--border);
}

.setting-icon {
   width: 48px;
   height: 48px;
   background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
   border-radius: 12px;
   display: flex;
   align-items: center;
   justify-content: center;
   font-size: 1.5rem;
   color: white;
}

.setting-header h3 {
   font-size: 1.2rem;
   font-weight: 600;
   color: var(--text);
   margin: 0;
}

.setting-content {
   padding: 24px;
}

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

.form-group label {
   display: block;
   margin-bottom: 8px;
   font-weight: 500;
   color: var(--text);
   font-size: 0.9rem;
}

.form-input,
.form-select {
   width: 100%;
   padding: 12px 16px;
   border: 2px solid var(--border);
   border-radius: 8px;
   background: var(--bg);
   color: var(--text);
   font-size: 0.95rem;
   transition: var(--transition);
}

.form-input:focus,
.form-select:focus {
   outline: none;
   border-color: var(--primary);
   box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-range {
   width: 100%;
   margin: 8px 0;
}

.range-value {
   display: inline-block;
   margin-left: 12px;
   color: var(--text-secondary);
   font-size: 0.9rem;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-danger {
   padding: 12px 24px;
   border: none;
   border-radius: 8px;
   font-weight: 500;
   cursor: pointer;
   transition: var(--transition);
   font-size: 0.9rem;
}

.btn-primary {
   background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
   color: white;
}

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

.btn-secondary {
   background: var(--bg);
   color: var(--text);
   border: 2px solid var(--border);
}

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

.btn-danger {
   background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
   color: white;
}

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

/* Theme Options */
.theme-options {
   display: flex;
   gap: 8px;
   flex-wrap: wrap;
}

.theme-btn {
   padding: 8px 16px;
   border: 2px solid var(--border);
   background: var(--bg);
   color: var(--text);
   border-radius: 8px;
   cursor: pointer;
   transition: var(--transition);
   font-size: 0.9rem;
}

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

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

/* Color Options */
.color-options {
   display: flex;
   gap: 8px;
}

.color-btn {
   width: 32px;
   height: 32px;
   border-radius: 50%;
   border: 3px solid transparent;
   cursor: pointer;
   transition: var(--transition);
}

.color-btn:hover {
   transform: scale(1.1);
}

.color-btn.active {
   border-color: var(--text);
}

/* Toggle Switches */
.toggle-group {
   margin-bottom: 16px;
}

.toggle-label {
   display: flex;
   align-items: center;
   gap: 12px;
   cursor: pointer;
   font-size: 0.9rem;
   color: var(--text);
}

.toggle-input {
   display: none;
}

.toggle-slider {
   position: relative;
   width: 48px;
   height: 24px;
   background: var(--gray-300);
   border-radius: 24px;
   transition: var(--transition);
}

.toggle-slider::before {
   content: '';
   position: absolute;
   top: 2px;
   left: 2px;
   width: 20px;
   height: 20px;
   background: white;
   border-radius: 50%;
   transition: var(--transition);
}

.toggle-input:checked + .toggle-slider {
   background: var(--primary);
}

.toggle-input:checked + .toggle-slider::before {
   transform: translateX(24px);
}

/* Export Options */
.export-options {
   display: flex;
   flex-direction: column;
   gap: 12px;
   margin-bottom: 20px;
}

/* About Section */
.about-info {
   margin-bottom: 20px;
}

.about-info p {
   margin-bottom: 8px;
   color: var(--text-secondary);
   font-size: 0.9rem;
}

.about-links {
   display: flex;
   gap: 12px;
   flex-wrap: wrap;
}

.link-btn {
   padding: 8px 16px;
   background: var(--bg);
   color: var(--primary);
   border: 1px solid var(--primary);
   border-radius: 6px;
   text-decoration: none;
   font-size: 0.85rem;
   transition: var(--transition);
}

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

/* Responsive Settings */
@media(max-width:768px) {
   .settings-grid {
      grid-template-columns: 1fr;
      gap: 16px;
   }
   
   .setting-header {
      padding: 20px;
   }
   
   .setting-content {
      padding: 20px;
   }
   
   .theme-options {
      flex-direction: column;
   }
   
   .theme-btn {
      width: 100%;
      text-align: center;
   }
   
   .export-options {
      gap: 8px;
   }
   
   .about-links {
      flex-direction: column;
   }
   
   .link-btn {
      text-align: center;
   }
}