:root{--color-primary-50:#eff6ff;--color-primary-100:#dbeafe;--color-primary-200:#bfdbfe;--color-primary-300:#93c5fd;--color-primary-400:#60a5fa;--color-primary-500:#3b82f6;--color-primary-600:#2563eb;--color-primary-700:#1d4ed8;--color-primary-800:#1e40af;--color-primary-900:#1e3a8a;--color-gray-50:#f9fafb;--color-gray-100:#f3f4f6;--color-gray-200:#e5e7eb;--color-gray-300:#d1d5db;--color-gray-400:#9ca3af;--color-gray-500:#6b7280;--color-gray-600:#4b5563;--color-gray-700:#374151;--color-gray-800:#1f2937;--color-gray-900:#111827;--color-success-light:#10b981;--color-success-dark:#34d399;--color-danger-light:#ef4444;--color-danger-dark:#f87171;--color-warning-light:#f59e0b;--color-warning-dark:#fbbf24;--color-info-light:#3b82f6;--color-info-dark:#60a5fa;--space-0:0;--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--font-family-base:"Inter",-apple-system,BlinkMacSystemFont,"Segoe 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100%);--gradient-header:linear-gradient(135deg,var(--color-primary-600) 0%,var(--color-primary-800) 100%);--gradient-subtle:linear-gradient(180deg,#1a1a1a,#0f0f0f)}*,:after,:before{box-sizing:border-box}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;scroll-behavior:smooth}body{margin:0;padding:0;font-family:var(--font-family-base);font-size:var(--font-size-base);font-weight:var(--font-weight-normal);line-height:var(--line-height-base);background-color:var(--bg-primary);transition:background-color var(--transition-slow),color var(--transition-slow)}body,h1,h2,h3,h4,h5,h6{color:var(--text-primary)}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:var(--space-4);font-weight:var(--font-weight-semibold);line-height:var(--line-height-tight);letter-spacing:var(--letter-spacing-tight)}h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}h4{font-size:var(--font-size-lg)}h5{font-size:var(--font-size-base)}h6{font-size:var(--font-size-sm)}p{margin-top:0;margin-bottom:var(--space-4);color:var(--text-secondary)}a{color:var(--color-primary-600);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-700)}body.dark-mode a{color:var(--color-primary-400)}body.dark-mode a:hover{color:var(--color-primary-300)}code,pre,small{font-size:var(--font-size-sm)}code,pre{font-family:var(--font-family-mono)}code{padding:var(--space-1) var(--space-2);background-color:var(--bg-tertiary);border-radius:var(--radius-sm)}.container{width:100%;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:var(--space-4);padding-right:var(--space-4)}@media (min-width:640px){.container{padding-left:var(--space-6);padding-right:var(--space-6)}}@media (min-width:1024px){.container{padding-left:var(--space-8);padding-right:var(--space-8)}}.d-flex{display:flex}.d-inline-flex{display:inline-flex}.flex-column{flex-direction:column}.flex-row{flex-direction:row}.flex-wrap{flex-wrap:wrap}.justify-content-start{justify-content:flex-start}.justify-content-end{justify-content:flex-end}.justify-content-center{justify-content:center}.justify-content-between{justify-content:space-between}.align-items-start{align-items:flex-start}.align-items-end{align-items:flex-end}.align-items-center{align-items:center}.align-middle{vertical-align:middle}.d-inline-block{display:inline-block}.row{display:flex;flex-wrap:wrap;margin-left:calc(var(--space-4) * -1);margin-right:calc(var(--space-4) * -1)}.col-lg-6{flex:0 0 100%;max-width:100%;padding-left:var(--space-4);padding-right:var(--space-4)}@media (min-width:992px){.col-lg-6{flex:0 0 50%;max-width:50%}}.card{position:relative;display:flex;flex-direction:column;background-color:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-xl);overflow:hidden;transition:all var(--transition-base)}.card.glass{background:rgba(255,255,255,.7);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2)}body.dark-mode .card.glass{background:rgba(26,26,26,.7);border:1px solid rgba(255,255,255,.1)}.card:hover{box-shadow:var(--shadow-lg)}.card-header{padding:var(--space-4) var(--space-5);background:var(--gradient-subtle);border-bottom:1px solid var(--border-color);transition:background var(--transition-base),border-color var(--transition-base)}body.dark-mode .card-header{background:linear-gradient(180deg,var(--bg-tertiary) 0,var(--bg-secondary) 100%)}.card-body{flex:1 1 auto;padding:var(--space-5)}.card-footer{padding:var(--space-4) var(--space-5);background-color:var(--bg-tertiary);border-top:1px solid var(--border-color)}.shadow-sm{box-shadow:var(--shadow-sm)}.shadow-md{box-shadow:var(--shadow-md)}.shadow-lg{box-shadow:var(--shadow-lg)}.table-responsive{overflow-x:auto;-webkit-overflow-scrolling:touch}.table{width:100%;border-collapse:collapse;margin-bottom:0;font-size:var(--font-size-sm)}.table td,.table th{padding:var(--space-3) var(--space-4);text-align:left;vertical-align:middle;border-bottom:1px solid var(--border-color);transition:background-color var(--transition-fast),color var(--transition-fast)}.table th{font-weight:var(--font-weight-semibold);color:var(--text-secondary);text-transform:uppercase;font-size:var(--font-size-xs);letter-spacing:var(--letter-spacing-wide);white-space:nowrap}.table th,body.dark-mode .table th{background-color:var(--bg-tertiary)}.table tbody tr:nth-child(2n){background-color:var(--bg-primary)}.table tbody tr:nth-child(odd){background-color:var(--bg-secondary)}.table-hover tbody tr:hover{background-color:var(--bg-hover)}body.dark-mode .table-hover tbody tr:hover{background-color:var(--bg-active)}.buy-row td:first-child{color:var(--success);font-weight:var(--font-weight-semibold)}.sell-row td:first-child{color:var(--danger);font-weight:var(--font-weight-semibold)}.font-weight-bold{font-weight:var(--font-weight-bold)}.btn,.text-nowrap{white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);font-family:var(--font-family-base);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);line-height:var(--line-height-base);text-decoration:none;border:1px solid transparent;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;-moz-user-select:none;user-select:none}.btn:focus{outline:none;box-shadow:0 0 0 3px rgba(59,130,246,.3)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{color:#ffffff;background:var(--gradient-primary);border-color:transparent}.btn-primary:hover:not(:disabled){background:var(--color-primary-700);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{color:var(--text-primary);background-color:var(--bg-tertiary);border-color:var(--border-color)}.btn-secondary:hover:not(:disabled){background-color:var(--bg-hover);border-color:var(--border-color-strong)}body.dark-mode .btn-secondary{color:var(--text-primary);background-color:var(--bg-tertiary);border-color:var(--border-color-strong)}body.dark-mode .btn-secondary:hover:not(:disabled){background-color:var(--bg-active)}.btn-ghost,.btn-link{color:var(--color-primary-600);background-color:transparent;border-color:transparent;padding:var(--space-2)}.btn-ghost:hover:not(:disabled),.btn-link:hover:not(:disabled){color:var(--color-primary-700);background-color:var(--color-primary-50)}body.dark-mode .btn-ghost,body.dark-mode .btn-link{color:var(--color-primary-400)}body.dark-mode .btn-ghost:hover:not(:disabled),body.dark-mode .btn-link:hover:not(:disabled){color:var(--color-primary-300);background-color:rgba(59,130,246,.1)}.btn-sm{padding:var(--space-1) var(--space-3);font-size:var(--font-size-xs);border-radius:var(--radius-md)}.btn-lg{padding:var(--space-3) var(--space-6);font-size:var(--font-size-base);border-radius:var(--radius-lg)}.btn-block{display:flex;width:100%}.form-group{margin-bottom:var(--space-4)}label{display:block;margin-bottom:var(--space-2);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--text-secondary);transition:color var(--transition-fast)}.form-control{display:block;width:100%;padding:var(--space-3) var(--space-4);font-family:var(--font-family-base);font-size:var(--font-size-base);font-weight:var(--font-weight-normal);line-height:var(--line-height-base);color:var(--text-primary);background-color:var(--input-bg);border:1px solid var(--input-border);border-radius:var(--radius-lg);transition:all var(--transition-fast);-webkit-appearance:none;-moz-appearance:none;appearance:none}.form-control::placeholder{color:var(--input-placeholder)}.form-control:hover{border-color:var(--border-color-strong)}.form-control:focus{outline:none;border-color:var(--color-primary-500);box-shadow:0 0 0 3px rgba(59,130,246,.2)}body.dark-mode .form-control:focus{box-shadow:0 0 0 3px rgba(96,165,250,.2)}.form-control-sm{padding:var(--space-2) var(--space-3);font-size:var(--font-size-sm);border-radius:var(--radius-md)}select.form-control{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");background-position:right var(--space-3) center;background-repeat:no-repeat;background-size:1.25rem 1.25rem;padding-right:var(--space-10);cursor:pointer}.custom-control{position:relative;display:block;padding-left:2.75rem}.custom-control-input{position:absolute;left:0;z-index:-1;width:1rem;height:1rem;opacity:0}.custom-switch{padding-left:3rem}.custom-switch .custom-control-label:before{left:0;width:2.5rem;height:1.5rem;pointer-events:all;border-radius:var(--radius-full);background-color:var(--bg-tertiary);border:1px solid var(--border-color-strong);transition:all var(--transition-fast)}.custom-switch .custom-control-label:after{top:calc(.25rem + 3px);left:3px;width:1rem;height:1rem;background-color:#ffffff;border-radius:var(--radius-full);transition:all var(--transition-fast);box-shadow:var(--shadow-sm)}.custom-control-label{position:relative;margin-bottom:0;cursor:pointer;font-size:var(--font-size-sm);padding-top:2px;color:var(--text-secondary)}.custom-control-label:after,.custom-control-label:before{position:absolute;content:""}.custom-control-input:checked~.custom-control-label:before{background:var(--gradient-primary);border-color:var(--color-primary-600)}.custom-control-input:checked~.custom-control-label:after{transform:translateX(1rem)}.custom-control-input:focus~.custom-control-label:before{box-shadow:0 0 0 3px rgba(59,130,246,.2)}.alert{position:relative;padding:var(--space-4);margin-bottom:var(--space-4);border-radius:var(--radius-lg);font-size:var(--font-size-sm);line-height:var(--line-height-base)}.alert-info{color:#1e40af;background-color:#dbeafe;border:1px solid #93c5fd}.alert-warning{color:#92400e;background-color:#fef3c7;border:1px solid #fcd34d}.alert-danger{color:#991b1b;background-color:#fee2e2;border:1px solid #fca5a5}.alert-success{color:#166534;background-color:#dcfce7;border:1px solid #86efac}body.dark-mode .alert-info{color:#93c5fd;background-color:rgba(59,130,246,.15);border-color:rgba(59,130,246,.3)}body.dark-mode .alert-warning{color:#fcd34d;background-color:rgba(245,158,11,.15);border-color:rgba(245,158,11,.3)}body.dark-mode .alert-danger{color:#fca5a5;background-color:rgba(239,68,68,.15);border-color:rgba(239,68,68,.3)}body.dark-mode .alert-success{color:#86efac;background-color:rgba(34,197,94,.15);border-color:rgba(34,197,94,.3)}.m-0{margin:0}.m-1{margin:var(--space-1)}.m-2{margin:var(--space-2)}.m-3{margin:var(--space-3)}.m-4{margin:var(--space-4)}.m-5{margin:var(--space-5)}.mt-0{margin-top:0}.mt-1{margin-top:var(--space-1)}.mt-2{margin-top:var(--space-2)}.mt-3{margin-top:var(--space-3)}.mt-4{margin-top:var(--space-4)}.mt-5{margin-top:var(--space-5)}.mb-0{margin-bottom:0}.mb-1{margin-bottom:var(--space-1)}.mb-2{margin-bottom:var(--space-2)}.mb-3{margin-bottom:var(--space-3)}.mb-4{margin-bottom:var(--space-4)}.mb-5{margin-bottom:var(--space-5)}.ml-1{margin-left:var(--space-1)}.ml-2{margin-left:var(--space-2)}.ml-3{margin-left:var(--space-3)}.ml-4{margin-left:var(--space-4)}.mr-1{margin-right:var(--space-1)}.mr-2{margin-right:var(--space-2)}.mr-3{margin-right:var(--space-3)}.mr-4{margin-right:var(--space-4)}.p-0{padding:0}.p-1{padding:var(--space-1)}.p-2{padding:var(--space-2)}.p-3{padding:var(--space-3)}.p-4{padding:var(--space-4)}.p-5{padding:var(--space-5)}.py-3{padding-top:var(--space-3);padding-bottom:var(--space-3)}.py-4{padding-top:var(--space-4);padding-bottom:var(--space-4)}.py-5{padding-top:var(--space-5);padding-bottom:var(--space-5)}.px-3{padding-left:var(--space-3);padding-right:var(--space-3)}.px-4{padding-left:var(--space-4);padding-right:var(--space-4)}.px-5{padding-left:var(--space-5);padding-right:var(--space-5)}.pt-5{padding-top:var(--space-5)}.pb-2{padding-bottom:var(--space-2)}.border{border:1px solid var(--border-color)}.border-top{border-top:1px solid var(--border-color)}.border-bottom{border-bottom:1px solid var(--border-color)}.border-left{border-left:1px solid var(--border-color)}.border-right{border-right:1px solid var(--border-color)}.rounded{border-radius:var(--radius-md)}.rounded-lg{border-radius:var(--radius-lg)}.rounded-xl{border-radius:var(--radius-xl)}.rounded-full{border-radius:var(--radius-full)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translateX(-10px)}to{opacity:1;transform:translateX(0)}}.animate-pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}.animate-shimmer{background:linear-gradient(90deg,var(--bg-tertiary) 0,var(--bg-secondary) 50%,var(--bg-tertiary) 100%);background-size:200% 100%;animation:shimmer 1.5s infinite}.animate-spin{animation:spin 1s linear infinite}.animate-fade-in{animation:fadeIn .3s ease-out forwards}.skeleton{background:linear-gradient(90deg,var(--bg-tertiary) 25%,var(--bg-hover) 50%,var(--bg-tertiary) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-md)}.spinner{width:1.25rem;height:1.25rem;border:2px solid var(--border-color);border-top-color:var(--color-primary-600);border-radius:50%;animation:spin .8s linear infinite}.header-gradient{background:var(--gradient-header);color:#ffffff;padding:var(--space-4) var(--space-6);border-radius:var(--radius-xl);margin-bottom:var(--space-6)}.header-gradient h1,.header-gradient h2,.header-gradient h3{color:#ffffff;margin-bottom:0}.page-header{justify-content:space-between;padding-bottom:var(--space-4);margin-bottom:var(--space-6);border-bottom:1px solid var(--border-color)}.page-header,.page-title{display:flex;align-items:center}.page-title{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--text-primary);margin-bottom:0;gap:var(--space-3)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb{background:var(--border-color-strong);border-radius:var(--radius-full);border:2px solid var(--bg-secondary)}::-webkit-scrollbar-thumb:hover{background:var(--color-gray-400)}body.dark-mode ::-webkit-scrollbar-thumb{background:var(--color-gray-600)}body.dark-mode ::-webkit-scrollbar-thumb:hover{background:var(--color-gray-500)}*{scrollbar-width:thin;scrollbar-color:var(--border-color-strong) var(--bg-secondary)}:focus-visible{outline:2px solid var(--color-primary-500);outline-offset:2px}.focus-ring:focus{outline:none;box-shadow:0 0 0 3px rgba(59,130,246,.3)}body.dark-mode .focus-ring:focus{box-shadow:0 0 0 3px rgba(96,165,250,.3)}.skip-link{position:absolute;top:-40px;left:0;background:var(--color-primary-600);color:#ffffff;padding:var(--space-2) var(--space-4);z-index:var(--z-tooltip);transition:top var(--transition-fast)}.skip-link:focus{top:0}@media (max-width:639px){.hidden-mobile{display:none!important}}@media (min-width:640px){.hidden-tablet{display:none!important}}@media (min-width:1024px){.hidden-desktop{display:none!important}}@media (max-width:991px){.mb-4.mb-lg-0{margin-bottom:var(--space-4)}}@media (min-width:992px){.mb-4.mb-lg-0{margin-bottom:0}}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-muted{color:var(--text-muted)}.text-success{color:var(--success)}.text-danger{color:var(--danger)}.text-warning{color:var(--warning)}main{min-height:100vh;padding-top:var(--space-2)}.login-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-2xl);box-shadow:var(--shadow-xl);overflow:hidden}.login-card .card-body{padding:var(--space-8)}.login-card h2{font-weight:var(--font-weight-bold);margin-bottom:var(--space-6)}.h3,.h4,.h5{font-weight:var(--font-weight-semibold);color:var(--text-primary);margin-bottom:var(--space-4)}.h3{font-size:var(--font-size-xl)}.h4{font-size:var(--font-size-lg)}.h5{font-size:var(--font-size-base)}