:root{color-scheme:dark;--color-background:#0a0a0f;--color-surface:#12121a;--color-surface-elevated:#1a1a24;--color-surface-hover:#22222e;--color-text-primary:#f0f0f5;--color-text-secondary:#a0a0b0;--color-text-muted:#606070;--color-accent:#8B5CF6;--color-accent-light:#A78BFA;--color-accent-dark:#6D28D9;--color-success:#10B981;--color-warning:#F59E0B;--color-error:#EF4444;--color-info:#3B82F6;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--radius-sm:6px;--radius-md:12px;--radius-lg:16px;--transition-fast:150ms ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-background);color:var(--color-text-primary);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.admin-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--color-surface);border-right:1px solid rgba(255,255,255,.05);padding:var(--space-4);position:fixed;top:0;left:0;bottom:0;overflow-y:auto}.sidebar-logo{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-4) var(--space-2);margin-bottom:var(--space-4);font-size:18px;font-weight:600}.sidebar-nav{display:flex;flex-direction:column;gap:var(--space-1)}.sidebar-link{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-3);border-radius:var(--radius-md);color:var(--color-text-secondary);transition:all var(--transition-fast)}.sidebar-link:hover{background:var(--color-surface-hover);color:var(--color-text-primary)}.sidebar-link.active{background:rgba(139,92,246,.15);color:var(--color-accent-light)}.sidebar-section{margin-top:var(--space-6);padding-top:var(--space-4);border-top:1px solid rgba(255,255,255,.05)}.sidebar-section-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);padding:var(--space-2) var(--space-3)}.main-content{flex:1 1;margin-left:240px;min-height:100vh}.card,.main-content{padding:var(--space-6)}.card{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.05)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-4)}.card-title{font-size:16px;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:var(--space-4);gap:var(--space-4)}.stat-card{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.05);padding:var(--space-5)}.stat-value{font-size:28px;font-weight:600;margin-bottom:var(--space-1)}.stat-label{font-size:13px;color:var(--color-text-secondary)}.stat-change{font-size:12px;margin-top:var(--space-2)}.stat-change.positive{color:var(--color-success)}.stat-change.negative{color:var(--color-error)}.table-container{overflow-x:auto}.table{width:100%;border-collapse:collapse}.table td,.table th{padding:var(--space-3) var(--space-4);text-align:left;border-bottom:1px solid rgba(255,255,255,.05)}.table th{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);background:var(--color-surface-elevated)}.table tr:hover td{background:var(--color-surface-hover)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);font-size:13px;font-weight:500;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all var(--transition-fast)}.btn-primary{background:var(--color-accent);color:white}.btn-primary:hover{background:var(--color-accent-dark)}.btn-secondary{background:var(--color-surface-elevated);color:var(--color-text-primary);border:1px solid rgba(255,255,255,.1)}.btn-secondary:hover{background:var(--color-surface-hover)}.btn-danger{background:rgba(239,68,68,.15);color:var(--color-error)}.btn-danger:hover{background:rgba(239,68,68,.25)}.btn-success{background:rgba(16,185,129,.15);color:var(--color-success)}.btn-success:hover{background:rgba(16,185,129,.25)}.btn-sm{padding:var(--space-1) var(--space-3);font-size:12px}.btn:disabled{opacity:.5;cursor:not-allowed}.badge{display:inline-flex;align-items:center;padding:var(--space-1) var(--space-2);font-size:11px;font-weight:500;border-radius:999px}.badge-success{background:rgba(16,185,129,.15);color:var(--color-success)}.badge-warning{background:rgba(245,158,11,.15);color:var(--color-warning)}.badge-error{background:rgba(239,68,68,.15);color:var(--color-error)}.badge-info{background:rgba(59,130,246,.15);color:var(--color-info)}.badge-muted{background:rgba(255,255,255,.05);color:var(--color-text-muted)}.input{width:100%;padding:var(--space-3) var(--space-4);background:var(--color-surface-elevated);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);color:var(--color-text-primary);font-size:14px}.input:focus{outline:none;border-color:var(--color-accent)}.input::placeholder{color:var(--color-text-muted)}.label{display:block;font-size:13px;font-weight:500;color:var(--color-text-secondary);margin-bottom:var(--space-2)}select.input{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23a0a0b0'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:16px;padding-right:40px}.toggle{position:relative;width:44px;height:24px;background:var(--color-surface-hover);border-radius:999px;cursor:pointer;transition:background var(--transition-fast)}.toggle.active{background:var(--color-accent)}.toggle:after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;background:white;border-radius:50%;transition:transform var(--transition-fast)}.toggle.active:after{transform:translateX(20px)}.tabs{display:flex;gap:var(--space-1);border-bottom:1px solid rgba(255,255,255,.05);margin-bottom:var(--space-4)}.tab{padding:var(--space-3) var(--space-4);font-size:13px;font-weight:500;color:var(--color-text-secondary);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;transition:all var(--transition-fast)}.tab:hover{color:var(--color-text-primary)}.tab.active{color:var(--color-accent-light);border-bottom-color:var(--color-accent)}.page-header{margin-bottom:var(--space-6)}.page-title{font-size:24px;font-weight:600;margin-bottom:var(--space-1)}.page-subtitle{color:var(--color-text-secondary)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}.gap-6{gap:var(--space-6)}.mt-4{margin-top:var(--space-4)}.mt-6{margin-top:var(--space-6)}.mb-4{margin-bottom:var(--space-4)}.mb-6{margin-bottom:var(--space-6)}.text-center{text-align:center}.text-muted{color:var(--color-text-muted)}.text-secondary{color:var(--color-text-secondary)}.text-sm{font-size:13px}.text-xs{font-size:12px}.avatar{width:32px;height:32px;border-radius:50%;background:var(--color-surface-elevated);font-size:13px;font-weight:500}.avatar,.modal-overlay{display:flex;align-items:center;justify-content:center}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:100}.modal{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.1);padding:var(--space-6);max-width:480px;width:90%;max-height:90vh;overflow-y:auto}.modal-title{font-size:18px;font-weight:600;margin-bottom:var(--space-4)}.empty-state{text-align:center;padding:var(--space-8);color:var(--color-text-secondary)}.empty-state-icon{font-size:48px;margin-bottom:var(--space-4);opacity:.5}.loading{display:flex;align-items:center;justify-content:center;padding:var(--space-8);color:var(--color-text-muted)}@keyframes spin{to{transform:rotate(1turn)}}.spinner{width:20px;height:20px;border:2px solid var(--color-surface-hover);border-top-color:var(--color-accent);border-radius:50%;animation:spin .6s linear infinite}