@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");@import url("https://fonts.googleapis.com/css2?family=Black+Han+Sans&family=Nanum+Gothic:wght@400;700;800&family=Noto+Sans+KR:wght@400;500;700;900&family=Oswald:wght@400;600;700&family=Bebas+Neue&family=Roboto:wght@400;700;900&display=swap");:root{--bg-primary:#000;--bg-secondary:#0a0a0a;--bg-card:#111;--bg-card-hover:#161616;--bg-elevated:#1a1a1a;--bg-glass:hsla(0,0%,100%,.03);--border-subtle:hsla(0,0%,100%,.06);--border-default:hsla(0,0%,100%,.1);--border-strong:hsla(0,0%,100%,.2);--text-primary:#fff;--text-secondary:hsla(0,0%,100%,.6);--text-tertiary:hsla(0,0%,100%,.35);--text-disabled:hsla(0,0%,100%,.2);--accent-white:#fff;--accent-green:#22c55e;--accent-blue:#3b82f6;--accent-purple:#a855f7;--accent-orange:#f97316;--accent-red:#ef4444;--sidebar-width:220px;--header-height:60px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--shadow-sm:0 1px 3px rgba(0,0,0,.4);--shadow-md:0 4px 16px rgba(0,0,0,.6);--shadow-lg:0 8px 32px rgba(0,0,0,.8);--shadow-glow:0 0 20px hsla(0,0%,100%,.05);--transition-fast:150ms ease;--transition-base:250ms ease;--transition-slow:400ms ease}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:Inter,Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none}button,input,select,textarea{font-family:inherit}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:hsla(0,0%,100%,.12);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:hsla(0,0%,100%,.22)}.app-layout{background:var(--bg-primary)}.app-layout,.main-content{display:flex;min-height:100vh}.main-content{flex:1;margin-left:var(--sidebar-width);flex-direction:column}.page-container{flex:1;padding:32px;max-width:1200px;width:100%;margin:0 auto}.card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:24px;transition:border-color var(--transition-fast),background var(--transition-fast)}.card:hover{border-color:var(--border-default);background:var(--bg-card-hover)}.card-glass{background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-md);font-size:14px;font-weight:500;transition:all var(--transition-fast);white-space:nowrap;user-select:none;cursor:pointer}.btn:disabled{opacity:.4;cursor:not-allowed;pointer-events:none}.btn-primary{background:var(--accent-white);color:var(--bg-primary)}.btn-primary:hover{background:hsla(0,0%,100%,.9);transform:translateY(-1px);box-shadow:0 4px 12px hsla(0,0%,100%,.15)}.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border-default)}.btn-secondary:hover{background:var(--bg-glass);border-color:var(--border-strong);transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid transparent}.btn-ghost:hover{background:var(--bg-glass);color:var(--text-primary);border-color:var(--border-subtle)}.btn-sm{padding:6px 14px;font-size:12px}.btn-lg{padding:14px 28px;font-size:16px}.btn-icon{padding:10px;border-radius:var(--radius-md)}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:12px;font-weight:500;color:var(--text-secondary);letter-spacing:.05em;text-transform:uppercase}.form-input{background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-md);padding:10px 14px;font-size:14px;color:var(--text-primary);outline:none;transition:border-color var(--transition-fast),box-shadow var(--transition-fast);width:100%}.form-input::placeholder{color:var(--text-tertiary)}.form-input:focus{border-color:var(--border-strong);box-shadow:0 0 0 3px hsla(0,0%,100%,.06)}.form-textarea{resize:vertical;min-height:100px}.form-select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.4)' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:var(--radius-full);font-size:11px;font-weight:500;border:1px solid}.badge-default{background:hsla(0,0%,100%,.06);border-color:var(--border-subtle);color:var(--text-secondary)}.badge-green{background:rgba(34,197,94,.1);border-color:rgba(34,197,94,.3);color:var(--accent-green)}.badge-blue{background:rgba(59,130,246,.1);border-color:rgba(59,130,246,.3);color:var(--accent-blue)}.badge-purple{background:rgba(168,85,247,.1);border-color:rgba(168,85,247,.3);color:var(--accent-purple)}.badge-orange{background:rgba(249,115,22,.1);border-color:rgba(249,115,22,.3);color:var(--accent-orange)}.badge-red{background:rgba(239,68,68,.1);border-color:rgba(239,68,68,.3);color:var(--accent-red)}.text-xs{font-size:11px}.text-sm{font-size:13px}.text-base{font-size:14px}.text-md{font-size:16px}.text-lg{font-size:18px}.text-xl{font-size:22px}.text-2xl{font-size:28px}.text-3xl{font-size:36px}.font-normal{font-weight:400}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-tertiary{color:var(--text-tertiary)}.page-header{margin-bottom:32px}.page-title{font-size:24px;font-weight:700;color:var(--text-primary);letter-spacing:-.02em}.page-subtitle{font-size:14px;color:var(--text-secondary);margin-top:4px}.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:32px}@media (max-width:900px){.metrics-grid{grid-template-columns:repeat(2,1fr)}}.divider{height:1px;background:var(--border-subtle);margin:24px 0}.skeleton{background:linear-gradient(90deg,var(--bg-elevated) 25%,hsla(0,0%,100%,.05) 50%,var(--bg-elevated) 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite;border-radius:var(--radius-sm)}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}.spinner{width:20px;height:20px;border:2px solid var(--border-default);border-top-color:var(--accent-white);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translateX(-16px)}to{opacity:1;transform:translateX(0)}}@keyframes pulse-glow{0%,to{box-shadow:0 0 8px hsla(0,0%,100%,.1)}50%{box-shadow:0 0 20px hsla(0,0%,100%,.2)}}.animate-fade-in{animation:fadeIn var(--transition-slow) ease both}.animate-slide-left{animation:slideInLeft var(--transition-slow) ease both}@keyframes fadeInSub{0%{opacity:0;transform:translateX(-50%) translateY(6px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}.table-wrapper{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--border-subtle)}table{width:100%;border-collapse:collapse;font-size:13px}thead tr{background:var(--bg-elevated);border-bottom:1px solid var(--border-subtle)}thead th{padding:12px 16px;text-align:left;font-weight:500;color:var(--text-secondary);letter-spacing:.04em;font-size:11px;text-transform:uppercase;white-space:nowrap}tbody tr{border-bottom:1px solid var(--border-subtle);transition:background var(--transition-fast)}tbody tr:last-child{border-bottom:none}tbody tr:hover{background:var(--bg-glass)}tbody td{padding:14px 16px;color:var(--text-primary);vertical-align:middle}@media (max-width:768px){:root{--sidebar-width:0px}.main-content{margin-left:0}.page-container{padding:20px 16px}.metrics-grid{grid-template-columns:repeat(2,1fr)}}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(ellipse at center,hsla(0,0%,100%,.03) 0,transparent 70%)}.auth-card{width:100%;max-width:400px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:40px}.recharts-cartesian-grid line{stroke:var(--border-subtle)!important}.recharts-text{fill:var(--text-tertiary)!important;font-size:11px!important}.recharts-tooltip-wrapper .recharts-default-tooltip{background:var(--bg-elevated)!important;border:1px solid var(--border-default)!important;border-radius:var(--radius-md)!important;padding:10px 14px!important}.nav-item{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:8px;font-size:13px;font-weight:400;color:hsla(0,0%,100%,.5);transition:all .12s ease;text-decoration:none}.nav-item:hover{background:hsla(0,0%,100%,.05);color:hsla(0,0%,100%,.85)}.nav-item--active{background:hsla(0,0%,100%,.08);color:#fff;font-weight:500}.header-cta:hover{border-color:hsla(0,0%,100%,.25);color:#fff;background:hsla(0,0%,100%,.07)}@media (max-width:768px){.sidebar{display:none}.header{padding:0 16px}.header-cta{display:none}}