:root{--color-primary: #444444;--color-primary-dark: #222222;--color-accent: #00a37a;--color-text: #212529;--color-muted: #6c757d;--color-bg: #f5f5f5;--color-surface: #ffffff;--border-color: #e5e7eb;--radius: 10px;--shadow-sm: 0 2px 6px rgba(0,0,0,.08);--shadow-md: 0 6px 18px rgba(0,0,0,.12)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--color-bg);color:var(--color-text);font-family:Noto Sans KR,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,Apple SD Gothic Neo,Malgun Gothic,sans-serif}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}.site{min-height:100vh;display:flex;flex-direction:column}main.container{flex:1;width:100%}.container{max-width:1200px;margin:0 auto;padding:0 20px}.section{margin:48px 0}.card{background:var(--color-surface);border:1px solid var(--border-color);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.site-header{position:sticky;top:0;z-index:1000;background:#3a4978;color:#fff;box-shadow:var(--shadow-sm)}.site-topbar{background:#f7f7f7;color:#555}.site-topbar-inner{min-height:72px;display:flex;align-items:center;justify-content:flex-end}.topbar-brand{margin-right:auto;font-weight:900;color:#222;font-size:18px;display:flex;align-items:center}.site-topbar-inner a{font-size:13px;margin-left:12px;color:#555}.site-topbar-inner a{font-size:16px}.site-topbar-inner a .home-badge{background:#3a4978;color:#fff;padding:6px 14px;border-radius:999px}.site-header-inner{height:60px;display:flex;align-items:center;justify-content:center}.brand{font-size:1.2rem;font-weight:800;letter-spacing:.2px}.mega-nav{display:flex;gap:0}.mega-nav>li{list-style:none;position:relative}.mega-nav>li>a{display:block;color:#fff;padding:13px 28px;font-size:16px;font-weight:600;border-right:1px solid #b3b3b3}.mega-nav>li:last-child>a{border-right:none}.mega-nav>li:hover>a{color:#a8e1e1}.mega-nav ul{display:none;position:absolute;top:100%;left:50%;transform:translate(-50%);background:#fff;border:1px solid #ddd;min-width:180px;padding:0;margin:0;box-shadow:var(--shadow-sm)}.mega-nav li:hover>ul{display:block}.mega-nav ul:hover{display:block}.mega-nav ul li{list-style:none;margin:0}.mega-nav ul li a{display:block;padding:12px 16px;color:#333;font-size:14px;white-space:nowrap;text-align:center;width:100%}.mega-nav ul li a:hover{background:#f2f2f2;color:#111}.hero{position:relative;background:#2b2b2b;color:#fff;border-radius:0;padding:0;text-align:center;box-shadow:var(--shadow-md);width:100vw;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);height:600px;overflow:hidden}.hero .slides{display:flex;height:100%;transition:transform .6s ease}.hero .slide{flex:0 0 50%;background-position:center;background-size:cover;background-repeat:no-repeat;height:100%}.hero .hero-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:0 24px;background:#00000040}.hero h1{margin:0 0 10px;font-size:clamp(1.8rem,4vw,2.8rem);font-weight:900}.hero p{margin:0 auto;max-width:860px;font-size:clamp(.95rem,2vw,1.2rem);opacity:.98}.hero .dots{position:absolute;bottom:18px;left:50%;transform:translate(-50%);display:flex;gap:8px}.hero .dots button{width:10px;height:10px;border-radius:50%;border:none;background:#fff9;cursor:pointer}.hero .dots button.on{background:#fff}.grid{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.card-item{padding:20px;border-left:4px solid var(--color-primary)}.card-title{font-size:1.1rem;font-weight:800;margin:0 0 8px}.card-meta{font-size:.9rem;color:var(--color-muted);margin-bottom:8px}.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:.85rem;font-weight:700}.badge-green{background:#e6f4ea;color:#1e7e34}.badge-amber{background:#fff4e0;color:#946200}.attendance-card-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0000001a}.attendance-card-button:active{transform:translateY(0)}.site-footer{margin-top:60px;background:#3a4978;color:#fff}.site-footer .inner{padding:48px 20px;text-align:center}.site-footer h3{margin:0 0 12px;font-weight:800;color:#fff}.site-footer .meta{display:flex;justify-content:center;gap:28px;flex-wrap:wrap;font-size:1rem;opacity:.95}.block{margin:42px 0}.block-title{font-size:1.1rem;letter-spacing:1px;font-weight:900;color:#2a2a2a;margin-bottom:14px}.list-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.list-card ul{list-style:none;margin:0;padding:14px}.list-card li{display:flex;justify-content:space-between;align-items:center;padding:10px 6px;border-bottom:1px solid #eef0f3}.list-card li:last-child{border-bottom:none}.list-card a{color:#2a2a2a;font-size:.98rem}.list-card .date{color:var(--color-muted);font-size:.85rem;margin-left:12px}.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.tile{position:relative;background:#fff;border:1px solid var(--border-color);border-radius:var(--radius);min-height:120px;overflow:hidden;box-shadow:var(--shadow-sm)}.tile a{display:block;padding:22px;color:#2a2a2a}.tile .s{font-size:.8rem;color:#666;margin:0}.tile .b{font-size:1.2rem;font-weight:900;margin:4px 0 0}.tabs{display:flex;gap:12px;border-bottom:1px solid #e5e7eb}.tabs button{background:none;border:none;padding:10px 6px;font-weight:800;color:#666;cursor:pointer}.tabs button.on{color:#2a2a2a;border-bottom:2px solid var(--color-primary)}.profile-layout{display:grid;grid-template-columns:320px 1fr;align-items:flex-start}.btn-primary{background:var(--color-primary, #3a4978);color:#fff;border:none;padding:10px 16px;border-radius:var(--radius);font-weight:800;cursor:pointer}.btn-primary:hover{opacity:.95}.btn-secondary{background:#3f3f46;color:#fff;border:none;padding:10px 16px;border-radius:var(--radius);font-weight:800;cursor:pointer}.btn-secondary:hover{filter:brightness(1.05)}.btn-danger{background:#e11d48;color:#fff;border:none;padding:10px 16px;border-radius:var(--radius);font-weight:800;cursor:pointer}.btn-danger:hover{filter:brightness(1.05)}.input-label{display:block;margin-bottom:6px;font-weight:800;color:var(--color-text)}.input-field{width:100%;padding:12px 14px;border:1px solid var(--border-color);border-radius:var(--radius);background:#fff;color:var(--color-text)}.input-field:focus{outline:none;box-shadow:0 0 0 3px #3a497826;border-color:#3a4978}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.7}@media (hover: none) and (pointer: 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#00000026;transition:left .3s ease}.mega-nav.mobile-open{display:flex;left:0}.mobile-menu-overlay{display:block}.mega-nav>li{border-bottom:1px solid rgba(255,255,255,.1)}.mega-nav>li>a{padding:16px 20px;font-size:16px;border-right:none;min-height:48px;display:flex;align-items:center}.mega-nav ul{position:static;transform:none;display:none;background:#0003;border:none;min-width:auto;box-shadow:none}.mega-nav ul li a{padding:14px 40px;font-size:15px;min-height:44px;display:flex;align-items:center;color:#fff}.mega-nav>li.open>ul{display:block}.hero{height:400px}.hero .slide{flex:0 0 100%}.hero h1{font-size:1.5rem}.hero p{font-size:.9rem;padding:0 16px}.hero .dots{bottom:12px}.hero .dots button{width:8px;height:8px}.btn-primary,.btn-secondary,.btn-danger{padding:12px 20px;min-height:44px;font-size:16px}.input-field{padding:14px 16px;font-size:16px;min-height:44px}.grid-3,.tiles,.profile-layout{grid-template-columns:1fr}.list-card li{flex-direction:column;align-items:flex-start;gap:8px;padding:14px}.list-card .date{margin-left:0;font-size:.9rem}.site-footer .inner{padding:32px 16px}.site-footer .meta{flex-direction:column;gap:12px;font-size:.9rem}.tabs{flex-wrap:wrap;gap:8px}.tabs button{padding:12px 16px;min-height:44px;font-size:15px}.attendance-buttons{flex-direction:column!important;width:100%}.attendance-buttons button{width:100%;min-width:auto}.attendance-dashboard-top,.attendance-action-cards,.attendance-stats-grid{grid-template-columns:1fr!important}form{display:flex;flex-direction:column;gap:16px}form>div:last-child{display:flex;flex-direction:column;gap:8px}form>div:last-child button{width:100%;order:0}form>div:last-child .btn-primary{order:-1}input[type=file]{font-size:14px;padding:12px}table.mobile-card-table{border:0}table.mobile-card-table thead{display:none}table.mobile-card-table tr{display:block;margin-bottom:16px;border:1px solid #e5e7eb;border-radius:8px;background:#fff;padding:12px}table.mobile-card-table td{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid #f3f4f6;text-align:right}table.mobile-card-table td:last-child{border-bottom:none}table.mobile-card-table td:before{content:attr(data-label);font-weight:700;text-align:left;margin-right:16px;flex:1}table.mobile-card-table td:last-child{flex-direction:column;gap:8px}table.mobile-card-table td:last-child button{width:100%}}@media (max-width: 480px){.container{padding:0 12px}.section{margin:24px 0}.hero{height:300px}.card-item{padding:16px}.card-title{font-size:1rem}.site-footer .inner{padding:24px 12px}}@media (max-width: 375px){.container{padding:0 8px}h1{font-size:1.3rem!important}.btn-primary,.btn-secondary,.btn-danger{padding:12px 14px;font-size:15px}}@media (hover: none) and (pointer: coarse){.mega-nav>li:hover>a{color:#fff}.mega-nav ul li a:hover{background:#ffffff1a}button,a.btn-primary,a.btn-secondary,a.btn-danger{min-height:44px;min-width:44px}}