:root{--primary-dark:#213342;--primary-highlight:#4e6f8a;--primary-hover:#3a5a6f;--warm-white:#f3eee4;--warm-white-light:#f8f5f0;--accent:#f3eee4;--text-dark:#1e293b;--text-light:#fdfcfb;--text-muted:#1e293bb3;--hero-gradient-start:#f3eee4;--hero-gradient-end:#eadfd0;--hero-gradient-overlay:linear-gradient(135deg,#21334205 0%,#4e6f8a08 100%);--radius:24px;--radius-sm:16px;--shadow-light:0 4px 20px #21334214;--shadow-medium:0 8px 30px #2133421f;--shadow-strong:0 16px 50px #2133422e;--shadow-hover:0 20px 60px #21334238}.dashboard-layout{background:linear-gradient(135deg,var(--warm-white-light)0%,var(--warm-white)50%,#fafaf9 100%);grid-template-columns:280px 1px 1fr;width:100%;height:calc(100vh - 80px);margin:-1rem;padding:0;display:grid;position:relative;overflow:hidden}.dashboard-layout--collapsed{grid-template-columns:60px 1px 1fr}.dashboard-left{background:linear-gradient(180deg,var(--warm-white-light)0%,#fff 100%);border-right:1px solid #2133420f;flex-direction:column;align-items:stretch;display:flex;position:relative;overflow:hidden;box-shadow:2px 0 20px #21334208}.assignments-header{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-sizing:border-box;background:#f8f5f0f2;border-bottom:1px solid #2133420f;flex-shrink:0;justify-content:space-between;align-items:center;min-height:60px;padding:1.25rem 1rem;display:flex}.assignments-header-content{align-items:center;gap:.75rem;display:flex}.assignments-header h2{color:var(--primary-dark);letter-spacing:.02em;text-transform:uppercase;align-items:center;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:.875rem;font-weight:600;line-height:1.2;display:flex}.assignment-count-badge{color:var(--primary-highlight);background:linear-gradient(135deg,#4e6f8a1f 0%,#21334214 100%);border-radius:20px;justify-content:center;align-items:center;padding:.2rem .6rem;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe 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0%,#0000 100%);top:0}.scroll-gradient--bottom{background:linear-gradient(#0000 0%,#fff 100%);bottom:0}.assignment-item{background:linear-gradient(135deg,#fafaf9 0%,var(--warm-white-light)100%);color:var(--text-dark);cursor:pointer;border:1px solid #21334214;border-radius:12px;align-items:center;gap:.875rem;margin-bottom:.625rem;padding:.875rem 1rem;text-decoration:none;transition:all .25s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden;box-shadow:0 1px 2px #2133420a,inset 0 0 0 1px #fff9}.assignment-item:before{content:"";opacity:0;background:linear-gradient(135deg,#4e6f8a14 0%,#0000 50%);transition:opacity .3s;position:absolute;inset:0}.assignment-item:hover{background:#fff;border-color:#4e6f8a4d;transform:translateY(-1px)scale(1.01);box-shadow:0 4px 16px #2133421a,inset 0 0 0 1px #4e6f8a1a}.assignment-item:hover:before{opacity:1}.assignment-item--selected{border-color:var(--primary-highlight);background:#fff;box-shadow:0 4px 20px #4e6f8a26,inset 0 0 0 2px #4e6f8a1a}.assignment-item:active{transform:translateY(0)scale(.99)}.assignment-icon-wrapper{background:linear-gradient(135deg,#4e6f8a1a 0%,#4e6f8a0d 100%);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;transition:all .25s;display:flex}.assignment-icon{color:var(--primary-highlight);transition:color .25s}.assignment-item:hover .assignment-icon-wrapper{background:linear-gradient(135deg,#4e6f8a26 0%,#4e6f8a14 100%)}.assignment-item:hover .assignment-icon{color:var(--primary-dark)}.assignment-item--selected .assignment-icon-wrapper{background:linear-gradient(135deg,var(--primary-highlight)0%,var(--primary-hover)100%)}.assignment-item--selected .assignment-icon{color:#fff}.assignment-content{flex-direction:column;flex:1;gap:.25rem;min-width:0;display:flex}.assignment-label{color:var(--text-dark);white-space:nowrap;text-overflow:ellipsis;margin-bottom:.375rem;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:.875rem;font-weight:600;line-height:1.4;overflow:hidden}.assignment-meta{flex-wrap:wrap;align-items:center;gap:.75rem;display:flex}.assignment-id{color:#4e6f8acc;letter-spacing:.01em;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:.75rem;font-weight:500;line-height:1.4}.assignment-marks{color:var(--primary-highlight);background:linear-gradient(135deg,#4e6f8a1a 0%,#4e6f8a0d 100%);border-radius:12px;padding:.125rem .5rem;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:.75rem;font-weight:600;line-height:1.4}.assignment-arrow{color:#21334240;flex-shrink:0;transition:all .25s cubic-bezier(.4,0,.2,1)}.assignment-item:hover .assignment-arrow{color:var(--primary-highlight);transform:translate(4px)}.assignment-item--selected .assignment-arrow{color:var(--primary-highlight)}.assignment-mini{cursor:pointer;justify-content:center;margin-bottom:.5rem;display:flex}.assignment-mini-dot{background:linear-gradient(135deg,#fafaf9 0%,var(--warm-white-light)100%);width:36px;height:36px;color:var(--primary-highlight);border:1px solid #2133421a;border-radius:10px;justify-content:center;align-items:center;font-family:Inter,sans-serif;font-size:.75rem;font-weight:600;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}.assignment-mini-dot:hover{background:#fff;border-color:#4e6f8a4d;transform:scale(1.08);box-shadow:0 4px 12px #2133421a}.assignment-mini-dot--active{background:linear-gradient(135deg,var(--primary-highlight)0%,var(--primary-hover)100%);color:#fff;border-color:#0000;box-shadow:0 4px 12px #4e6f8a4d}.dashboard-divider{background:linear-gradient(#0000 0%,#2133421f 15% 85%,#0000 100%);width:1px;height:100%}.dashboard-right{background:#fff;flex-direction:column;align-items:stretch;display:flex;overflow:hidden}.workspace-back-header{background:#fff;flex-shrink:0;align-items:center;gap:1.5rem;padding:1rem 2rem;display:flex}.workspace-assignment-heading{color:var(--primary-dark);flex:1;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:1.5rem;font-weight:600}.workspace-back-button{background:var(--primary-dark);color:var(--warm-white);cursor:pointer;border:none;border-radius:24px;align-items:center;gap:.5rem;padding:10.4px 24px;font-family:Mulish,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15.2px;font-weight:500;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex}.workspace-back-button:hover{background:var(--primary-hover);color:var(--warm-white);transform:translate(-2px)}.workspace-back-button:active{background:#1a2833;transform:translate(0)}.workspace-badge{color:#4e6f8a;background:linear-gradient(135deg,#4e6f8a1a 0%,#2133420d 100%);border-radius:20px;padding:.35rem .75rem;font-family:Inter,sans-serif;font-size:.75rem;font-weight:500}.workspace-content{background:linear-gradient(135deg,#fff 0%,var(--warm-white-light)100%);flex:1;justify-content:center;align-items:center;padding:3rem;display:flex;overflow:hidden}.workspace-empty{text-align:center;flex-direction:column;align-items:center;gap:1.25rem;display:flex}.workspace-icon-wrapper{background:linear-gradient(135deg,#4e6f8a0f 0%,#4e6f8a08 100%);border:1px solid #2133420f;border-radius:24px;justify-content:center;align-items:center;width:100px;height:100px;display:flex}.workspace-icon{color:#4e6f8a66}.workspace-empty-text{color:var(--primary-dark);margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:1rem;font-weight:500}.workspace-empty-subtext{color:var(--text-muted);margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:.875rem;font-weight:400;line-height:1.6}.workspace-selected{width:100%;max-width:480px}.workspace-card{text-align:center;background:linear-gradient(135deg,#fff 0%,#fafaf9 100%);border:1px solid #21334214;border-radius:20px;padding:2.5rem;box-shadow:0 4px 24px #2133420f,inset 0 0 0 1px #fffc}.workspace-card-header{justify-content:center;align-items:center;gap:.75rem;margin-bottom:1rem;display:flex}.workspace-card-icon{color:#d4af37}.workspace-card-header h3{color:#213342;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:1.25rem;font-weight:600}.workspace-card-info{background:linear-gradient(135deg,#f8f5f099 0%,#fff6 100%);border:1px solid #2133420f;border-radius:12px;gap:1.5rem;margin:1rem 0 1.25rem;padding:1rem;display:flex}.workspace-info-item{flex-direction:column;gap:.25rem;display:flex}.workspace-info-label{color:#1e293b80;text-transform:uppercase;letter-spacing:.05em;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:.75rem;font-weight:500}.workspace-info-value{color:#213342;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:.9375rem;font-weight:600}.workspace-card-description{color:#1e293b99;margin:0 0 1.5rem;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:.9375rem;line-height:1.6}.workspace-card-button{color:#fff;background:linear-gradient(135deg,#213342 0%,#2c4558 100%);border-radius:12px;align-items:center;gap:.5rem;padding:.875rem 1.5rem;font-family:Inter,sans-serif;font-size:.875rem;font-weight:500;text-decoration:none;transition:all .25s cubic-bezier(.4,0,.2,1);display:inline-flex;box-shadow:0 4px 12px #21334233}.workspace-card-button:hover{background:linear-gradient(135deg,#2c4558 0%,#3d5a73 100%);transform:translateY(-2px);box-shadow:0 8px 24px #21334240}.workspace-card-button:active{transform:translateY(0)}.assignment-page-layout{background:linear-gradient(135deg,var(--warm-white-light)0%,var(--warm-white)50%,#fafaf9 100%);flex-direction:column;width:100%;min-height:calc(100vh - 80px);margin:-1rem;padding:0;display:flex}.assignment-page-header{background:#fff;border-bottom:1px solid #2133420f;flex-shrink:0;justify-content:space-between;align-items:center;gap:1.5rem;padding:1rem 2rem;display:flex}.assignment-page-header-left{flex:1;align-items:center;gap:1.5rem;display:flex}.assignment-back-button{background:var(--primary-dark);color:var(--warm-white);cursor:pointer;border:none;border-radius:24px;align-items:center;gap:.5rem;padding:10.4px 24px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15.2px;font-weight:500;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex}.assignment-back-button:hover{background:var(--primary-hover);color:var(--warm-white);transform:translate(-2px)}.assignment-back-button:active{background:#1a2833;transform:translate(0)}.assignment-page-title{color:var(--primary-dark);flex:1;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:1.5rem;font-weight:600}.assignment-export-csv-button{background:var(--primary-dark);color:var(--warm-white);cursor:pointer;white-space:nowrap;border:none;border-radius:24px;align-items:center;gap:.5rem;padding:10.4px 24px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15.2px;font-weight:500;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex}.assignment-export-csv-button:hover{background:var(--primary-hover);color:var(--warm-white);transform:translateY(-2px);box-shadow:0 4px 8px #21334226}.assignment-export-csv-button:active{background:#1a2833;transform:translateY(0)}.assignment-table-container{background:#fff;flex:1;width:100%;padding:0;overflow:auto}.students-table{border-collapse:collapse;background:#fff;border-radius:8px;width:100%;overflow:hidden;box-shadow:0 1px 3px #21334214}.students-table thead{background:#2133420a}.students-table th{text-align:center;color:var(--primary-dark);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid #2133421a;padding:1rem 1.5rem;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:.75rem;font-weight:600}.students-table tbody tr{cursor:default;border-bottom:1px solid #2133420f;transition:background-color .2s}.students-table tbody tr:hover,.students-table-row--selected{background-color:#21334208}.students-table tbody tr:last-child{border-bottom:none}.students-table td{color:var(--text-dark);vertical-align:middle;text-align:center;padding:1rem 1.5rem;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:.9375rem}.student-id{color:var(--primary-highlight);letter-spacing:.02em;font-family:Inter,monospace;font-weight:500}.student-first-name,.student-last-name{color:var(--text-dark);font-weight:400}.student-total-marks,.student-review-confidence{color:var(--primary-highlight);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-weight:500}.student-view-cell{text-align:center}.student-view-button{background:var(--primary-dark);color:var(--warm-white);cursor:pointer;border:none;border-radius:20px;padding:.5rem 1.25rem;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:.875rem;font-weight:500;transition:all .2s cubic-bezier(.4,0,.2,1)}.student-view-button:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 2px 8px #21334226}.student-view-button:active{background:#1a2833;transform:translateY(0)}@media (max-width:768px){.dashboard-layout{grid-template-rows:auto 1fr;grid-template-columns:1fr}.dashboard-layout--collapsed{grid-template-columns:1fr}.dashboard-left{max-height:200px}.dashboard-divider{background:linear-gradient(90deg,#0000 0%,#2133421f 15% 85%,#0000 100%);width:100%;height:1px}.sidebar-toggle{display:none}.workspace-content{padding:2rem 1.5rem}.workspace-card{padding:1.5rem}.assignment-page-header{flex-wrap:wrap;padding:1rem 1.5rem}.assignment-table-container{padding:0;overflow-x:auto}.students-table{min-width:600px}.students-table th,.students-table td{padding:.75rem 1rem;font-size:.875rem}}