:root{--primary:#c3a6cb;--primary-hover:#b08bb9;--secondary:#e6d3e8;--accent:#f0b5c1;--bg-color:#fdfaf6;--card-bg:#fff;--text-main:#5c4e4e;--text-light:#8e8080;--border-color:#f0e6e6;--success:#a3c9a8;--warning:#fce2a8;--danger:#f5a9a9;--font-heading:"Quicksand", sans-serif;--font-body:"Inter", sans-serif;--radius-sm:8px;--radius-md:16px;--radius-lg:24px;--shadow-soft:0 8px 24px #5c4e4e0d;--shadow-hover:0 12px 32px #5c4e4e1a;--sidebar-width:280px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background-color:var(--bg-color);color:var(--text-main);background-image:radial-gradient(circle at 10% 10%,#f0b5c10d,#0000 20%),radial-gradient(circle at 90% 90%,#a3c9a80d,#0000 20%);line-height:1.6;overflow-x:hidden}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-color)}::-webkit-scrollbar-thumb{background:var(--secondary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary)}.font-heading{font-family:var(--font-heading)}.text-center{text-align:center}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}.mb-4{margin-bottom:32px}.flex,.flex-col{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-2{gap:8px}.gap-3{gap:16px}.gap-4{gap:24px}.hidden{display:none!important}.w-full{width:100%}.btn{font-family:var(--font-heading);border-radius:var(--radius-lg);cursor:pointer;color:#fff;border:none;outline:none;justify-content:center;align-items:center;gap:8px;padding:10px 24px;font-size:1rem;font-weight:600;text-decoration:none;transition:all .3s;display:inline-flex}.btn:active{transform:scale(.96)}.btn-primary{background-color:var(--primary)}.btn-primary:hover{background-color:var(--primary-hover);box-shadow:var(--shadow-soft)}.btn-secondary{background-color:var(--secondary);color:var(--text-main)}.btn-secondary:hover{box-shadow:var(--shadow-soft);background-color:#d8c2da}.btn-accent{background-color:var(--accent)}.btn-accent:hover{box-shadow:var(--shadow-soft);background-color:#e6a2b0}.btn-success{background-color:var(--success)}.btn-danger{background-color:var(--danger)}.btn-outline{border:2px solid var(--primary);color:var(--primary);background-color:#0000}.btn-outline:hover{background-color:var(--primary);color:#fff}.btn-sm{padding:6px 16px;font-size:.9rem}.input-group{text-align:left;margin-bottom:16px}.input-group label{font-family:var(--font-heading);color:var(--text-main);margin-bottom:6px;font-weight:600;display:block}.input-control{width:100%;font-family:var(--font-body);border:2px solid var(--border-color);border-radius:var(--radius-md);background-color:var(--bg-color);color:var(--text-main);padding:12px 16px;font-size:1rem;transition:all .3s}.input-control:focus{border-color:var(--primary);background-color:#fff;outline:none;box-shadow:0 0 0 4px #c3a6cb1a}select.input-control{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"16\" height=\"16\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"%235c4e4e\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M6 9l6 6 6-6\"/></svg>");background-position:right 16px center;background-repeat:no-repeat;padding-right:40px}textarea.input-control{resize:vertical;min-height:100px}.app-container{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background-color:var(--card-bg);border-right:1px solid var(--border-color);z-index:100;flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0;box-shadow:4px 0 24px #00000005}.sidebar-header{text-align:center;border-bottom:1px solid var(--border-color);padding:32px 24px 24px;position:relative}.sidebar-header:before{content:"🌿";top:10px;left:10px;transform:rotate(-30deg)}.sidebar-header:after,.sidebar-header:before{opacity:.6;font-size:1.5rem;position:absolute}.sidebar-header:after{content:"🌸";bottom:10px;right:10px;transform:rotate(30deg)}.sidebar-logo{font-family:var(--font-heading);color:var(--primary);letter-spacing:1px;justify-content:center;align-items:center;gap:8px;font-size:1.8rem;font-weight:700;display:flex}.sidebar-slogan{color:var(--text-light);margin-top:4px;font-size:.9rem;font-style:italic}.sidebar-user{border-radius:var(--radius-md);border:1px dashed var(--secondary);background:#e6d3e826;align-items:center;gap:12px;margin:16px;padding:20px 24px;display:flex}.sidebar-user-avatar{background-color:var(--primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.2rem;display:flex}.sidebar-user-info{flex:1;overflow:hidden}.sidebar-user-name{font-family:var(--font-heading);white-space:nowrap;text-overflow:ellipsis;font-size:.95rem;font-weight:600;overflow:hidden}.sidebar-user-role{color:var(--text-light);font-size:.8rem}.sidebar-nav{flex-direction:column;flex:1;gap:4px;overflow-y:auto}.nav-item,.sidebar-nav{padding:12px 16px;display:flex}.nav-item{border-radius:var(--radius-md);font-family:var(--font-heading);color:var(--text-main);cursor:pointer;align-items:center;gap:12px;font-size:1.05rem;font-weight:600;text-decoration:none;transition:all .3s}.nav-item:hover{color:var(--primary);background-color:#e6d3e84d}.nav-item.active{background-color:var(--secondary);color:var(--primary)}.nav-icon{text-align:center;width:24px;font-size:1.2rem}.sidebar-footer{border-top:1px solid var(--border-color);color:var(--text-light);text-align:center;padding:20px;font-size:.85rem}.sidebar-footer a{color:var(--primary);font-weight:600;text-decoration:none}.main-content{margin-left:var(--sidebar-width);flex:1;position:relative}.mobile-header{background-color:var(--card-bg);border-bottom:1px solid var(--border-color);z-index:90;justify-content:space-between;align-items:center;padding:16px 20px;display:none;position:sticky;top:0}.hamburger{color:var(--primary);cursor:pointer;background:0 0;border:none;font-size:1.5rem}.panel{max-width:1200px;margin:0 auto;padding:40px;animation:.4s fadeIn;display:none}.panel.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.section-title{font-family:var(--font-heading);color:var(--primary);align-items:center;gap:12px;margin-bottom:24px;font-size:2rem;display:flex}.grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;display:grid}.card{background-color:var(--card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);border:1px solid var(--border-color);padding:24px;transition:all .3s cubic-bezier(.175,.885,.32,1.275);position:relative}.card:hover{box-shadow:var(--shadow-hover);border-color:var(--secondary);transform:translateY(-4px)}.card-icon{margin-bottom:16px;font-size:2.5rem;display:inline-block}.card-title{font-family:var(--font-heading);color:var(--text-main);margin-bottom:8px;font-size:1.3rem}.card-desc{color:var(--text-light);-webkit-line-clamp:3;-webkit-box-orient:vertical;margin-bottom:16px;font-size:.95rem;display:-webkit-box;overflow:hidden}.card-badge{background-color:var(--accent);color:#fff;z-index:10;border-radius:20px;padding:4px 12px;font-size:.8rem;font-weight:600;position:absolute;top:-12px;right:20px;box-shadow:0 4px 8px #f0b5c14d}.card.floating-doc:hover{transform:translateY(-10px)rotate(-1deg);box-shadow:0 20px 40px #00000026}.tabs{flex-wrap:wrap;gap:12px;margin-bottom:24px;display:flex}.tab-btn{font-family:var(--font-heading);background-color:var(--card-bg);border:2px solid var(--border-color);color:var(--text-main);cursor:pointer;border-radius:30px;padding:10px 20px;font-weight:600;transition:all .3s}.tab-btn.active,.tab-btn:hover{border-color:var(--secondary)}.tab-btn.active{background-color:var(--secondary);color:var(--primary)}.tab-count{opacity:.8;white-space:nowrap;font-size:.85em}.stat-grid{grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:40px;display:grid}.stat-card{background:linear-gradient(135deg,var(--card-bg),var(--bg-color));text-align:center;border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);border:1px solid var(--border-color);padding:24px}.stat-value{font-family:var(--font-heading);color:var(--primary);margin-bottom:4px;font-size:2.5rem;font-weight:700}.stat-label{color:var(--text-light);text-transform:uppercase;letter-spacing:1px;font-size:.9rem;font-weight:500}.leaderboard-table{border-collapse:separate;border-spacing:0 12px;width:100%}.leaderboard-table th{font-family:var(--font-heading);text-align:left;color:var(--text-light);border-bottom:1px solid var(--border-color);padding:0 16px 8px;font-size:.9rem;font-weight:600}.leaderboard-table td{background-color:var(--card-bg);padding:16px}.leaderboard-table tr td:first-child{border-radius:var(--radius-md) 0 0 var(--radius-md);font-weight:600}.leaderboard-table tr td:last-child{border-radius:0 var(--radius-md) var(--radius-md) 0}.leaderboard-table tr{transition:background-color .2s;box-shadow:0 2px 8px #00000005}.leaderboard-table tr:hover{transform:none}.leaderboard-table tr:hover td{background-color:#fffafd}.workspace-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background-color:#5c4e4e66;justify-content:center;align-items:center;padding:20px;display:none;position:fixed;inset:0}.workspace-overlay.active{display:flex}.workspace-modal{background-color:var(--bg-color);border-radius:var(--radius-lg);flex-direction:column;width:100%;max-width:1400px;height:95vh;animation:.3s zoomIn;display:flex;overflow:hidden;box-shadow:0 24px 64px #00000026}@keyframes zoomIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.workspace-header{border-bottom:1px solid var(--border-color);background-color:#fff;justify-content:space-between;align-items:center;padding:20px 32px;display:flex}.workspace-title{font-family:var(--font-heading);color:var(--primary);font-size:1.4rem;font-weight:700}.workspace-body{flex:1;display:flex;overflow:hidden}.workspace-left{border-right:1px solid var(--border-color);background-color:#fff;flex:1;padding:32px;font-size:1.1rem;line-height:1.8;overflow-y:auto}.workspace-right{background-color:var(--bg-color);flex:2;padding:32px;overflow-y:auto}.question-block{border-radius:var(--radius-md);box-shadow:var(--shadow-soft);border:1px solid var(--border-color);background:#fff;margin-bottom:24px;padding:24px}.question-title{font-family:var(--font-heading);color:var(--primary);white-space:pre-wrap;margin-bottom:12px;font-size:1.1rem;font-weight:700}.unselectable{-webkit-user-select:none;user-select:none}.question-textarea{border:2px solid var(--border-color);border-radius:var(--radius-sm);width:100%;min-height:120px;font-family:var(--font-body);resize:vertical;background-color:var(--bg-color);padding:16px;font-size:1rem;transition:all .3s}.question-textarea:focus{border-color:var(--primary);background-color:#fff;outline:none}.timer-badge{background-color:var(--accent);color:#fff;font-family:var(--font-heading);letter-spacing:1px;border-radius:20px;align-items:center;gap:8px;padding:6px 16px;font-weight:700;display:inline-flex}.grading-grid{gap:16px;margin-top:16px;display:grid}.cols-4{grid-template-columns:2fr 2fr 1fr 1fr}.cols-3{grid-template-columns:2fr 2fr 1fr}.grading-col{background:var(--bg-color);border-radius:var(--radius-sm);border:1px solid var(--border-color);padding:16px}.grading-col-title{color:var(--text-light);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:.85rem;font-weight:700;display:block}.grading-text{white-space:pre-wrap;font-size:.95rem;line-height:1.6}.grading-ans{color:#2d6a4f;border-radius:var(--radius-sm);background:#e8f5e9;padding:12px}.score-select{border:2px solid var(--secondary);width:100%;font-family:var(--font-heading);color:var(--primary);text-align:center;border-radius:6px;padding:8px;font-weight:600}.status-badge{border-radius:20px;padding:4px 12px;font-size:.85rem;font-weight:600;display:inline-block}.status-pending{background-color:var(--warning);color:#856404}.status-graded{background-color:var(--success);color:#155724}.onboarding-container{border-radius:var(--radius-lg);text-align:center;background:#fff;width:90%;max-width:500px;padding:40px;position:relative;box-shadow:0 32px 64px #0000001a}.floral-decoration{opacity:.7;width:80px;position:absolute}.floral-tl{font-size:3rem;top:-20px;left:-20px;transform:rotate(-30deg)}.floral-br{font-size:3rem;bottom:-20px;right:-20px;transform:rotate(150deg)}.toggle-login{color:var(--text-light);cursor:pointer;margin-top:24px;font-size:.9rem;font-weight:600;text-decoration:none}.toggle-login:hover{color:var(--primary)}.mascot{z-index:1000;cursor:pointer;animation:3s ease-in-out infinite float;position:fixed;bottom:30px;right:30px}.mascot-img{filter:drop-shadow(0 10px 15px #0000001a);font-size:4.5rem}.mascot-bubble{border-radius:var(--radius-lg) var(--radius-lg) 0 var(--radius-lg);box-shadow:var(--shadow-hover);border:2px solid var(--secondary);background:#fff;width:250px;padding:16px 24px;font-size:.95rem;font-weight:500;display:none;position:absolute;bottom:90px;right:20px}.mascot-bubble:after{content:"";border-style:solid;border-width:10px 10px 0 0;border-color:var(--secondary) transparent transparent transparent;position:absolute;bottom:-10px;right:20px}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-15px)}to{transform:translateY(0)}}.toast-container{z-index:9999;pointer-events:none;flex-direction:column;gap:12px;display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.toast{background:var(--card-bg);border-left:4px solid var(--primary);border-radius:var(--radius-md);font-family:var(--font-heading);color:var(--text-main);align-items:center;gap:12px;padding:16px 24px;font-weight:600;animation:.3s forwards slideUp;display:flex;box-shadow:0 10px 30px #00000026}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.toast-out{animation:.3s forwards slideDown}@keyframes slideDown{to{opacity:0;transform:translateY(20px)}}.falling-petal{z-index:1;-webkit-user-select:none;user-select:none;pointer-events:none;font-size:1.2rem;animation:linear infinite fall;position:fixed;top:-20px}@keyframes fall{to{transform:translateY(100vh)rotate(1turn)}}@media (width<=1024px){.stat-grid{grid-template-columns:repeat(2,1fr)}.workspace-modal{width:95%;height:98vh}.grading-grid.cols-3,.grading-grid.cols-4{grid-template-columns:1fr 1fr}}@media (width<=768px){.sidebar{transition:transform .3s;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{width:100%;min-width:0;margin-left:0}.mobile-header{display:flex}.stat-grid{grid-template-columns:1fr}.workspace-body{flex-direction:column;overflow-y:auto}.workspace-left,.workspace-right{border-right:none;overflow-y:visible}.panel{min-width:0;padding:20px}.grid,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr;min-width:0}.grading-grid.cols-3,.grading-grid.cols-4{grid-template-columns:1fr}}.overlay{z-index:95;background:#00000080;display:none;position:fixed;inset:0}.overlay.active{display:block}@media print{body *{visibility:hidden}.workspace-modal,.workspace-modal *,.workspace-overlay.active{visibility:visible}.workspace-overlay.active{z-index:auto;-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;height:auto;display:block;position:static}.workspace-modal{width:100%;height:auto;box-shadow:none;border:none;margin:0;padding:0;animation:none;position:static;overflow:visible}.btn,.mascot,.mobile-header,.sidebar,.timer-badge,.workspace-header button{display:none!important}.workspace-body{padding:0;display:block;overflow:visible}.workspace-left,.workspace-right{border:none;width:100%;padding:10px 0;display:block;overflow:visible}.question-textarea{resize:none;background:0 0;border:none;border-bottom:1px dotted #ccc;min-height:auto}.grading-col{page-break-inside:avoid;border:1px solid #ccc!important}.question-block{page-break-inside:avoid;margin-bottom:30px;box-shadow:none!important;border:none!important}.grading-grid{gap:10px!important;display:flex!important}.grading-grid.cols-3>div,.grading-grid.cols-4>div{border:1px solid #000;flex:1;padding:8px}*{-webkit-print-color-adjust:exact!important;print-color-adjust:exact!important}@page{margin:1.5cm}}.panel{display:block}.modal-content{background:#fff;flex:1;padding:32px;overflow:auto}.form-row{flex-wrap:wrap;gap:16px;display:flex}.form-row>*{flex:1;min-width:160px}.dropdown{z-index:100;min-width:260px;padding:16px;position:absolute;top:calc(100% + 5px);right:0}.text-primary{color:var(--primary)}.text-danger{color:var(--danger)}.text-accent{color:var(--accent)}.empty-state{text-align:center;color:var(--text-light);grid-column:1/-1;padding:32px}button:disabled{opacity:.55;cursor:not-allowed}a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.modal-form{flex-direction:column;flex:1;display:flex;overflow:hidden}.grading-text{overflow-wrap:anywhere}@media (width<=768px){.modal-content{padding:16px}.workspace-header{flex-wrap:wrap;gap:12px}.workspace-header .flex{flex-wrap:wrap}.main-content .panel{padding:20px 16px}.form-row>*{flex-basis:100%;min-width:0}.grid.cols-2{grid-template-columns:1fr}.workspace-overlay{padding:8px}.dropdown{min-width:240px;max-width:calc(100vw - 40px)}.grading-grid{overflow:auto}.section-title{font-size:1.4rem}}@media (prefers-reduced-motion:reduce){.falling-petal{display:none}*{transition:none!important;animation:none!important}}.ai-spinner[data-v-f696432f]{vertical-align:-2px;border:2px solid #c7d2fe;border-top-color:#4f46e5;border-radius:50%;width:14px;height:14px;animation:.8s linear infinite ai-spin-f696432f;display:inline-block}.ai-progress[data-v-f696432f]{background:#dbeafe;border-radius:999px;height:6px;overflow:hidden}.ai-progress-bar[data-v-f696432f]{border-radius:inherit;background:linear-gradient(90deg,#6366f1,#06b6d4);height:100%;transition:width .5s}@keyframes ai-spin-f696432f{to{transform:rotate(1turn)}}