@import "https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css";
:root{--brand-green:#16a34a;--brand-green-dark:#15803d;--brand-green-gradient:linear-gradient(135deg, #10b981 0%, #047857 100%);--bg-light-green:#f0fdf4;--border-light-green:#bbf7d0;--text-light-green:#15803d;--color-violet-gradient:linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);--color-blue-gradient:linear-gradient(135deg, #0284c7 0%, #0369a1 100%);--color-red-gradient:linear-gradient(135deg, #ef4444 0%, #dc2626 100%);--color-yellow-gradient:linear-gradient(135deg, #f59e0b 0%, #d97706 100%);--color-gray-gradient:linear-gradient(135deg, #94a3b8 0%, #64748b 100%);--bg-app:#f8fafc;--bg-card:#fff;--border-card:#e2e8f0;--text-main:#0f172a;--text-muted:#64748b;--font-sans:"Pretendard", -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;--sidebar-width:320px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-app);color:var(--text-main);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;line-height:1.5}.login-page-container{width:100%;min-height:100vh;display:flex}.login-brand-side{background:var(--brand-green-gradient);color:#fff;flex-direction:column;flex:1.2;justify-content:center;padding:4rem;display:none;position:relative}.login-brand-subtitle{opacity:.9;letter-spacing:.05em;margin-bottom:1rem;font-size:1.25rem;font-weight:500}.login-brand-title{letter-spacing:-.03em;margin-bottom:2rem;font-size:3rem;font-weight:900;line-height:1.25}.login-brand-features{flex-direction:column;gap:1.5rem;max-width:480px;display:flex}.login-brand-feature-item{align-items:flex-start;gap:1rem;display:flex}.login-brand-feature-item svg{flex-shrink:0;margin-top:.25rem}.login-brand-feature-desc{opacity:.85;font-size:.95rem;line-height:1.4}.login-form-side{background-color:var(--bg-card);flex:1;justify-content:center;align-items:center;padding:2rem;display:flex}@media (min-width:900px){.login-brand-side{display:flex}}.status-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px;display:inline-block}.status-dot.active{background-color:#22c55e}.status-dot.idle{background-color:#f59e0b}.status-dot.suspicious{background-color:#ef4444}.status-dot.disconnected{background-color:#cbd5e1}.card{background-color:var(--bg-card);border:1px solid var(--border-card);border-radius:16px;padding:1.5rem;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 12px #00000004}.card:hover{transform:translateY(-2px);box-shadow:0 6px 16px #00000009}.top-header-bar{background-color:var(--bg-card);border:1px solid var(--border-card);border-radius:12px;justify-content:space-between;align-items:center;width:100%;margin-bottom:1.5rem;padding:1rem 1.5rem;display:flex;box-shadow:0 4px 12px #00000004}.header-title-group{align-items:center;gap:.75rem;display:flex}.header-title{color:var(--brand-green-dark);font-size:1.5rem;font-weight:800}.header-badge{background-color:var(--bg-light-green);border:1px solid var(--border-light-green);color:var(--text-light-green);border-radius:999px;padding:.2rem .6rem;font-size:.85rem;font-weight:700}.horizontal-form-row{align-items:center;gap:1rem;margin-bottom:1rem;display:flex}.horizontal-form-label{min-width:110px;color:var(--text-main);text-align:left;font-weight:700}.horizontal-form-input{border:1px solid var(--border-card);border-radius:8px;outline:none;flex:1;padding:.65rem 1rem;font-family:inherit;font-size:.95rem;transition:border-color .2s}.horizontal-form-input:focus{border-color:var(--brand-green)}.btn-primary{background:var(--brand-green-gradient);color:#fff;cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-weight:700;transition:opacity .2s,transform .1s;display:flex}.btn-primary:hover{opacity:.95}.btn-primary:active{transform:scale(.98)}.btn-primary:disabled{cursor:not-allowed;background:#cbd5e1}.text-card-btn{background-color:var(--bg-light-green);border:1px solid var(--border-light-green);color:var(--text-light-green);cursor:pointer;border-radius:8px;align-items:center;gap:.5rem;padding:.55rem 1rem;font-size:.95rem;font-weight:700;transition:all .2s;display:flex}.text-card-btn:hover{background:var(--brand-green-gradient);color:#fff;border-color:#0000}.btn-google-login{color:#374151;cursor:pointer;background-color:#fff;border:1px solid #d1d5db;border-radius:8px;justify-content:center;align-items:center;gap:.75rem;width:100%;padding:.75rem 1.5rem;font-size:1rem;font-weight:700;transition:background-color .2s,box-shadow .2s;display:flex;box-shadow:0 1px 3px #0000000d}.btn-google-login:hover{background-color:#f9fafb;box-shadow:0 4px 6px #0000000d}.dashboard-layout{flex-direction:column;gap:1.5rem;max-width:1700px;margin:0 auto;padding:1.5rem;display:flex}@media (min-width:1450px){.dashboard-layout{flex-direction:row;align-items:flex-start}.dashboard-sidebar{width:var(--sidebar-width);flex-shrink:0;position:sticky;top:1.5rem}.dashboard-main{flex:1}}.sidebar-panel{background:var(--bg-card);border:1px solid var(--border-card);border-radius:16px;flex-direction:column;gap:1.25rem;padding:1.5rem;display:flex;box-shadow:0 4px 12px #00000004}.single-row-toolbar{white-space:nowrap;background:var(--bg-card);border:1px solid var(--border-card);border-radius:12px;flex-wrap:nowrap;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding:.75rem 1.25rem;display:flex}.green-toggle-wrapper{align-items:center;gap:.75rem;display:flex}.green-toggle-pill{cursor:pointer;background-color:#cbd5e1;border-radius:999px;width:44px;height:24px;transition:background-color .2s;position:relative}.green-toggle-pill.active{background-color:var(--brand-green)}.pill-thumb{background-color:#fff;border-radius:50%;width:20px;height:20px;transition:transform .2s;position:absolute;top:2px;left:2px;box-shadow:0 1px 3px #00000026}.green-toggle-pill.active .pill-thumb{transform:translate(20px)}.switch-state-badge{text-transform:uppercase;border-radius:4px;padding:.15rem .5rem;font-size:.85rem;font-weight:700}.switch-state-badge.on{background-color:var(--bg-light-green);color:var(--brand-green-dark)}.switch-state-badge.off{color:#64748b;background-color:#f1f5f9}.tv-presentation-grid{grid-template-columns:repeat(1,1fr);gap:1rem;display:grid}@media (min-width:600px){.tv-presentation-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:900px){.tv-presentation-grid{grid-template-columns:repeat(3,1fr)}}@media (min-width:1200px){.tv-presentation-grid{grid-template-columns:repeat(4,1fr)}}@media (min-width:1450px){.tv-presentation-grid{grid-template-columns:repeat(5,1fr)}}.student-card{background-color:var(--bg-card);border:2px solid var(--border-card);text-align:center;cursor:pointer;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;min-height:105px;padding:.95rem .85rem;transition:all .2s;display:flex;position:relative}.student-card.active{background-color:#f0fdf4;border-color:#22c55e}.student-card.idle{background-color:#fffbeb;border-color:#eab308;animation:2.5s ease-in-out infinite pulse-orange}.student-card.suspicious{background-color:#fef2f2;border-color:#ef4444;animation:.5s ease-in-out shake-red}.student-card.disconnected{opacity:.7;background-color:#f8fafc;border-color:#cbd5e1}@keyframes pulse-orange{0%{box-shadow:0 0 #ea580c66}70%{box-shadow:0 0 0 8px #ea580c00}to{box-shadow:0 0 #ea580c00}}@keyframes shake-red{0%,to{transform:translate(0)}20%,60%{transform:translate(-4px)}40%,80%{transform:translate(4px)}}.student-number-badge{color:#57534e;background-color:#f5f5f4;border-radius:999px;margin-bottom:.25rem;padding:.08rem .4rem;font-size:.76rem;font-weight:700}.student-name{margin-bottom:.35rem;font-size:1.15rem;font-weight:800}.student-stats-row{color:var(--text-muted);justify-content:center;align-items:center;gap:.45rem;font-size:.82rem;display:flex}.status-indicator-icon{align-items:center;display:flex;position:absolute;top:10px;right:10px}.custom-modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background-color:#29252466;justify-content:center;align-items:center;width:100vw;height:100vh;display:flex;position:fixed;top:0;left:0}.custom-modal-content{background-color:var(--bg-card);border:1px solid var(--border-card);border-radius:16px;width:90%;max-width:500px;padding:1.75rem;box-shadow:0 20px 25px -5px #0000000d,0 10px 10px -5px #00000005}.modal-header{align-items:center;gap:.75rem;margin-bottom:1rem;font-size:1.25rem;font-weight:800;display:flex}.modal-body{color:var(--text-muted);margin-bottom:1.5rem}.modal-actions{justify-content:flex-end;gap:.5rem;display:flex}.main-content{scrollbar-gutter:stable}@media print{body{color:#000!important;background-color:#fff!important;padding:0!important}.no-print{display:none!important}.dashboard-layout{padding:0!important;display:block!important}.card,.top-header-bar,.single-row-toolbar{page-break-inside:avoid;box-shadow:none!important;border:1px solid #a8a29e!important;border-radius:0!important}.print-page-break{page-break-before:always}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spin-loader{animation:1s linear infinite spin}.site-stamp-footer{color:#94a3b8;letter-spacing:.02em;-webkit-user-select:none;user-select:none;pointer-events:none;justify-content:center;align-items:center;gap:.35rem;padding:1.75rem 1rem 2rem;font-size:.76rem;font-weight:600;display:flex}.site-stamp-footer .stamp-leaf{opacity:.65;transition:opacity .2s;display:inline-flex}