:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;color:#ffffffde;background-color:#0f172a;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--bg-color: #0f172a;--card-bg: rgba(30, 41, 59, .7);--card-border: rgba(255, 255, 255, .1);--text-primary: #f8fafc;--text-secondary: #94a3b8;--color-science: #10b981;--color-math: #3b82f6;--color-english: #f59e0b;--color-social: #ec4899;--color-success: #22c55e;--color-warning: #f59e0b;--color-danger: #ef4444;--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--glass-effect: blur(12px)}*{box-sizing:border-box;margin:0;padding:0}body{min-width:320px;min-height:100vh;background:radial-gradient(circle at top left,#1e293b,#0f172a)}h1,h2,h3{color:var(--text-primary);font-weight:700}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.container{max-width:1400px;margin:0 auto;padding:2rem}.header{margin-bottom:3rem;text-align:center}.header h1{font-size:2.5rem;background:linear-gradient(to right,#60a5fa,#c084fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem}.header p{color:var(--text-secondary);font-size:1.1rem}.student-card{background:var(--card-bg);border:1px solid var(--card-border);backdrop-filter:var(--glass-effect);-webkit-backdrop-filter:var(--glass-effect);position:relative;border-radius:16px;padding:.5rem .2rem 1rem .75rem;transition:transform .3s ease,box-shadow .3s ease,height .3s ease;display:flex;flex-direction:column;gap:1rem;box-sizing:border-box;height:100%}.student-card.collapsed{height:auto;width:fit-content;min-width:120px;padding:.8rem 1.5rem;gap:0;min-height:60px;justify-content:center;border-radius:50px}.student-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#fff3}.student-header{display:flex;justify-content:space-between;align-items:center;width:100%}.student-name{font-size:1.25rem;color:var(--text-primary);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}.student-card.collapsed .student-name{max-width:200px;text-align:center}.grade-circle{width:50px;height:50px;border-radius:50%;background:var(--card-bg);border:1px solid var(--card-border);display:flex;align-items:center;justify-content:center;color:var(--text-primary);font-weight:700;box-shadow:0 4px 6px #0003;position:absolute;top:-20px;right:-10px;z-index:10;cursor:pointer;transition:transform .2s ease,background-color .2s ease}.grade-circle:hover{transform:scale(1.1);background:#ffffff1a}.grade-number{font-size:1.35rem;line-height:1}.grade-suffix{font-size:.6rem;margin-left:1px;opacity:.8}.card-body{display:flex;height:150px;width:100%}.progress-container{display:flex;justify-content:flex-start;align-items:flex-end;height:100%;gap:2px;width:75%;position:relative}.bar-tooltip{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#000000d9;padding:.5rem .8rem;border-radius:8px;pointer-events:none;display:flex;flex-direction:column;align-items:center;z-index:20;width:max-content;box-shadow:0 4px 6px #0000004d;border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.tooltip-name{font-size:1rem;color:#fff;font-weight:700}.tooltip-value{font-size:.8rem;color:#81a4cd;font-weight:800}.progress-column{display:flex;flex-direction:column;align-items:center;flex:1;height:100%;justify-content:flex-end;position:relative}.bar-track{width:100%;flex-grow:1;background:#ffffff0d;border-radius:4px;position:relative;overflow:hidden;margin-bottom:.25rem;display:flex;align-items:flex-end}.bar-fill{width:100%;transition:height 1s cubic-bezier(.4,0,.2,1);border-radius:4px;box-shadow:0 0 10px #0000004d}.subject-label{font-size:.9rem;color:var(--text-secondary);font-weight:800}.percent-label{font-size:.7rem;color:var(--text-primary);opacity:.7;display:none}.icons-container{flex:1;width:auto;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.5rem;padding-left:1.35rem;padding-bottom:1.75rem}.icon-row{display:flex;align-items:center;gap:.3rem;font-weight:700;font-size:.85rem;color:inherit;position:relative;cursor:help}.icon-mask{width:24px;height:24px;mask-size:contain;mask-repeat:no-repeat;mask-position:center;-webkit-mask-size:contain;-webkit-mask-repeat:no-repeat;-webkit-mask-position:center}.icon-value{min-width:1.5rem;text-align:left}.icon-tooltip{position:absolute;bottom:100%;left:50%;transform:translate(-50%);background:#000000d9;padding:.4rem .6rem;border-radius:6px;pointer-events:none;z-index:20;width:max-content;box-shadow:0 4px 6px #0000004d;border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);margin-bottom:5px;color:#fff;font-size:.85rem;font-weight:700;white-space:nowrap}.calendar-modal-overlay{position:fixed;inset:0;background-color:#000000bf;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.calendar-modal{background:#1e293b;border-radius:16px;width:90vw;max-width:1250px;height:auto;max-height:95vh;box-shadow:0 25px 50px -12px #00000080;display:flex;flex-direction:column;overflow:visible;border:1px solid rgba(255,255,255,.1);color:#e2e8f0;position:relative}.modal-top-bar{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:#0f172a;border-bottom:1px solid rgba(255,255,255,.1);flex-shrink:0;border-radius:16px 16px 0 0}.modal-title-left h2{margin:0;font-size:1.5rem;font-weight:700;color:#f8fafc;display:flex;align-items:center;gap:.75rem;padding-left:100px}.custom-dropdown-container{position:relative;display:inline-block}.custom-dropdown-trigger{background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:6px;color:inherit;font-size:.9rem;padding:.2rem .6rem;cursor:pointer;font-weight:600;display:flex;align-items:center;gap:.5rem;min-width:160px;justify-content:space-between}.custom-dropdown-trigger:hover{background:#ffffff0d}.custom-dropdown-menu{position:absolute;top:100%;left:0;margin-top:.5rem;background:#fff;border-radius:6px;box-shadow:0 10px 15px -3px #0000001a;min-width:100%;width:max-content;overflow:hidden;z-index:50;display:flex;flex-direction:column}.custom-option{padding:.5rem 1rem;color:#333;font-size:.9rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:space-between;transition:background .1s;white-space:nowrap}.custom-option:hover{background:#f1f5f9}.custom-option.selected{background:#e2e8f0}.student-dropdown{background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:6px;color:inherit;font-size:.9rem;padding:.2rem .6rem;cursor:pointer;font-weight:600}.student-dropdown:hover{background:#ffffff0d}.student-dropdown option{background-color:#fff;color:#333}.homeroom-badge{position:absolute;top:-4px;left:-12px;z-index:20;font-size:.8rem;font-weight:700;color:#fff;background:#1e293b;border:1px solid rgba(255,255,255,.2);padding:.35rem 1rem;border-radius:8px;text-transform:uppercase;letter-spacing:.05em;box-shadow:0 4px 6px -1px #0000004d;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;min-width:80px}.export-btn{background:transparent;border:1px solid rgba(255,255,255,.2);color:#ffffffb3;padding:.4rem .8rem;border-radius:6px;margin-right:.75rem;cursor:pointer;font-size:.85rem;font-weight:500;transition:all .2s ease}.export-btn:hover{background:#ffffff1a;color:#fff;border-color:#fff6}.close-btn-text{background:#ffffff1a;border:none;color:#cbd5e1;font-size:.9rem;font-weight:600;padding:.5rem 1rem;border-radius:6px;cursor:pointer;transition:all .2s}.close-btn-text:hover{background:#fff3;color:#fff}.modal-body{flex:1;display:flex;flex-direction:column;gap:.75rem;padding:1rem 2rem;overflow-y:hidden}.semester-section{flex-shrink:0}.semester-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem}.month-card{background:#334155;border-radius:8px;padding:.25rem;border:1px solid rgba(255,255,255,.05);display:flex;flex-direction:column;align-items:center}.month-name{font-size:.75rem;font-weight:700;margin-bottom:.25rem;color:#94a3b8;text-transform:uppercase;letter-spacing:.05em}.mini-calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;width:100%}.mini-day-header{font-size:.55rem;color:#94a3b8;text-align:center;padding-bottom:2px;font-weight:600}.mini-day{height:12px;display:flex;align-items:center;justify-content:center;font-size:.6rem;border-radius:2px;background:#ffffff08;color:#cbd5e1}.mini-day.active{color:#fff;font-weight:700;box-shadow:none}.graph-section{flex:1;display:flex;flex-direction:column;gap:1rem;min-height:300px}.assignment-graph{flex:1;background:#0f172a;border-radius:12px;padding:1rem;border:1px solid rgba(255,255,255,.05);position:relative;display:flex;align-items:center;justify-content:center}.behavior-graph{height:90px;background:#0f172a;border-radius:12px;padding:.5rem 1rem;border:1px solid rgba(255,255,255,.05);position:relative}.chart-svg{width:100%;height:100%;overflow:visible}.grid-line{stroke:#334155;stroke-width:1;opacity:.3}.axis-text{fill:#f1f5f9;font-family:inherit;font-weight:500}.chart-dot:hover{stroke:#fff;stroke-width:2;r:6}.chart-dot.selected{stroke:#fff;stroke-width:2;r:6;filter:drop-shadow(0 0 4px rgba(255,255,255,.5))}.popover-container{position:absolute;background:ivory;color:#1e293b;padding:0;border-radius:8px;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;pointer-events:auto;z-index:50;min-width:200px;max-width:450px;width:max-content;border:1px solid #e2e8f0;max-height:300px;display:flex;flex-direction:column;overflow:hidden}.popover-container:after{content:"";position:absolute;bottom:-6px;left:50%;transform:translate(-50%);border-width:6px 6px 0;border-style:solid;border-color:#FFFFF0 transparent transparent transparent}.popover-bottom:after{top:-6px;bottom:auto;border-width:0 6px 6px 6px;border-color:transparent transparent #FFFFF0 transparent}.popover-title{font-size:.75rem;text-transform:uppercase;color:#64748b;font-weight:700;margin:0;border-bottom:1px solid #e2e8f0;padding:.75rem 1rem;background:ivory;position:sticky;top:0;z-index:10;flex-shrink:0}.popover-list{list-style:none;margin:0;padding:.5rem 1rem;overflow-y:auto;flex:1}.popover-item{display:flex;align-items:center;gap:.5rem;font-size:.85rem;font-weight:600;line-height:1.4;color:#334155;margin-bottom:.4rem;white-space:nowrap}.popover-bullet{width:6px;height:6px;border-radius:50%;background:currentColor;flex-shrink:0}.graph-node{cursor:pointer;transition:all .2s cubic-bezier(.175,.885,.32,1.275);transform-box:fill-box;transform-origin:center}.graph-node:hover{r:6px;stroke-width:2px}.chart-line{transition:points .3s ease}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#000000b3;display:flex;justify-content:center;align-items:center;z-index:2000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes modalFadeIn{0%{opacity:0;transform:translate(-50%,-50%) scale(.95)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.modal-content.confirmation-modal{background:#1e293bd9;border:1px solid rgba(255,255,255,.1);box-shadow:0 25px 50px -12px #00000080;width:90%;max-width:340px;max-height:auto;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-radius:16px;overflow:hidden;animation:modalFadeIn .2s ease-out;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);margin:0}.confirmation-modal h3{margin-top:0;font-size:1.25rem;background:linear-gradient(90deg,#fff,#a5b4fc);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;border-bottom:1px solid rgba(255,255,255,.05);padding:.75rem 1.25rem;margin-bottom:.5rem;font-weight:600;letter-spacing:.02em;font-size:1.1rem}.confirmation-modal p{color:#e2e8f0;margin-bottom:1rem;font-size:.95rem;line-height:1.5;padding:0 1.25rem}.modal-actions{display:flex;justify-content:flex-end;gap:.5rem;padding:.75rem 1.25rem 1.25rem;background:#0003}.modal-btn{padding:.5rem 1.25rem;border-radius:8px;border:1px solid transparent;font-weight:500;cursor:pointer;transition:all .2s;font-size:.9rem}.modal-btn.cancel{background:transparent;border:1px solid rgba(255,255,255,.1);color:#94a3b8}.modal-btn.cancel:hover{background:#ffffff0d;color:#fff;border-color:#fff3}.modal-btn.confirm{background:linear-gradient(135deg,#6366f1,#4f46e5);color:#fff;box-shadow:0 4px 6px -1px #4f46e54d}.modal-btn.confirm:hover{background:linear-gradient(135deg,#4f46e5,#4338ca);transform:translateY(-1px);box-shadow:0 6px 8px -1px #4f46e566}#root{max-width:100vw;margin:0;padding:0;box-sizing:border-box;height:100vh;overflow:hidden}html,body{margin:0;padding:0;height:100%;overflow:hidden}.dashboard-container{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto 1fr 1fr;gap:.5rem;height:100vh;padding:.5rem;align-content:stretch;width:100%;margin:0;box-sizing:border-box}.header{grid-column:1 / -1;display:flex;justify-content:space-between;align-items:center;padding:0 1rem;margin-bottom:.25rem}.header h1{font-size:1.05rem;background:linear-gradient(90deg,#fff,#a5b4fc);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin:0;border:1px solid rgba(255,255,255,.2);padding:.35rem 1rem;border-radius:6px;line-height:1.2}.homeroom-quadrant{background:#0f172a66;border:1px solid rgba(255,255,255,.05);border-radius:20px;padding:.5rem;position:relative;height:100%;min-height:0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .3s ease;display:flex;flex-direction:column;z-index:1}.homeroom-quadrant.science{border-color:#dd6e424d;box-shadow:0 0 20px #dd6e420d inset}.homeroom-quadrant.math{border-color:#e8dab24d;box-shadow:0 0 20px #e8dab20d inset}.homeroom-quadrant.ela{border-color:#4f6d7a4d;box-shadow:0 0 20px #4f6d7a0d inset}.homeroom-quadrant.social{border-color:#c0d6df4d;box-shadow:0 0 20px #c0d6df0d inset}.quadrant-header{font-size:.9rem;font-weight:600;text-transform:uppercase;letter-spacing:.15em;margin-bottom:.5rem;padding-bottom:.25rem;border-bottom:1px solid rgba(255,255,255,.1);opacity:.8;line-height:1;display:flex;justify-content:flex-start;align-items:center;position:relative}.seating-controls{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;z-index:500;opacity:0;transition:opacity .2s ease;pointer-events:none;width:auto;white-space:nowrap}.homeroom-quadrant:hover .seating-controls,.seating-controls:hover,.seating-controls:focus-within,.seating-controls.is-open{opacity:1;pointer-events:auto}.seating-main-btn{background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none;border:none;border-radius:4px;color:#ffffffb3;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;font-size:.75rem;font-weight:600;letter-spacing:.15em;padding:.2rem .5rem;cursor:pointer;transition:all .2s ease;box-shadow:none;text-transform:uppercase}.seating-main-btn:hover,.seating-controls.is-open .seating-main-btn{background:#ffffff0d;color:#fff;border-color:transparent;box-shadow:none;transform:none;text-shadow:0 0 8px rgba(255,255,255,.4)}.seating-menu{position:fixed;transform:translate(-50%);background:#0f172af2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:.25rem;width:140px;box-shadow:0 10px 15px -3px #0000004d;animation:fadeIn .15s ease-out;display:flex;flex-direction:column;z-index:9999}.seating-menu-item{background:transparent;border:none;color:#e2e8f0;text-align:left;padding:.5rem .75rem;font-size:.8rem;border-radius:4px;cursor:pointer;transition:all .2s;font-weight:500}.seating-menu-item:hover:not(:disabled){background:#ffffff1a;color:#fff}.filter-btn{position:absolute;right:0;top:50%;transform:translateY(-50%);background:transparent;border:none;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;padding:4px;cursor:pointer;transition:all .2s ease;z-index:501}.filter-icon-img{width:16px;height:16px;opacity:.7;transition:opacity .2s ease}.filter-btn:hover{background:#ffffff0d}.filter-btn:hover .filter-icon-img{opacity:1;filter:drop-shadow(0 0 2px rgba(255,255,255,.5))}.classroom-grid{flex:1;position:relative}.import-processing-toast{position:fixed;bottom:2rem;right:2rem;background-color:#3b82f6;color:#fff;padding:1rem 1.5rem;border-radius:8px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;display:flex;align-items:center;gap:.75rem;z-index:3000;font-weight:500;animation:slideUp .3s ease-out}.spinner{width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes slideUp{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}.modal-content.filter-modal{background:#1e293b;border:1px solid rgba(255,255,255,.1);box-shadow:0 25px 50px -12px #00000080;width:90%;max-width:950px;height:80vh;border-radius:16px;overflow:hidden;display:flex;flex-direction:column;animation:modalFadeIn .2s ease-out;color:#e2e8f0;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);margin:0}.filter-header{background:#0f172a;padding:1rem 2rem;border-bottom:1px solid rgba(255,255,255,.1);flex-shrink:0}.filter-header h3{margin:0;font-size:1.5rem;background:linear-gradient(90deg,#fff,#a5b4fc);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:700;display:flex;align-items:center}.filter-modal .homeroom-label{font-size:.95rem;font-weight:700;opacity:1;margin-left:0;text-transform:uppercase;letter-spacing:.05em;vertical-align:middle;color:#fff;text-shadow:0 0 10px rgba(0,0,0,.5)}.filter-modal .close-btn-text{position:absolute;top:1rem;right:1.5rem;background:#ffffff1a;border:none;color:#cbd5e1;font-size:.9rem;font-weight:600;padding:.5rem 1rem;border-radius:6px;cursor:pointer;transition:all .2s;line-height:normal;width:auto;height:auto}.filter-modal .close-btn-text:hover{background:#fff3;color:#fff}.filter-body{display:flex;flex:1;overflow:hidden;gap:2rem;padding:1.5rem 2rem;background:#1e293b}.filter-controls{display:flex;flex-direction:column;gap:1.25rem;width:320px;flex-shrink:0;overflow-y:auto;padding-right:.5rem}.filter-row{display:flex;gap:1rem}.filter-group{flex:1;display:flex;flex-direction:column;gap:.35rem}.filter-group label,.filter-section label{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:#94a3b8;font-weight:600}.date-input,.filter-select,.filter-range{background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:6px;padding:.4rem .6rem;color:#f1f5f9;font-family:inherit;font-size:.9rem;width:100%;box-sizing:border-box;transition:all .2s}.date-input:focus,.filter-select:focus{outline:none;border-color:#6366f1;background:#ffffff08}.filter-select option{background:#1e293b;color:#e2e8f0}.date-row{display:flex;align-items:center;gap:.5rem}.grade-checkboxes.compact{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem}.checkbox-label{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:#cbd5e1;cursor:pointer;background:#ffffff0d;padding:.4rem .6rem;border-radius:6px;transition:background .2s;border:1px solid transparent}.checkbox-label:hover{background:#ffffff1a;border-color:#ffffff1a}.checkbox-label input{accent-color:#6366f1}.filter-preview{flex:1;background:#0f172a;border-radius:12px;border:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;overflow:hidden;min-height:0}.preview-header{padding:.75rem 1rem;background:#ffffff08;border-bottom:1px solid rgba(255,255,255,.05);display:flex;justify-content:space-between;align-items:center}.preview-title span{font-size:.85rem;font-weight:700;color:#a5b4fc;text-transform:uppercase;letter-spacing:.05em}.header-controls{display:flex;align-items:center;gap:.75rem}.sort-select-compact{background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:4px;padding:.2rem .5rem;color:#cbd5e1;font-size:.8rem;cursor:pointer}.sort-select-compact:hover{border-color:#fff;color:#fff}.sort-select-compact option{background:#0f172a}.copy-btn{background:transparent;border:1px solid rgba(255,255,255,.2);color:#94a3b8;font-size:.75rem;padding:.25rem .75rem;border-radius:4px;cursor:pointer;transition:all .2s;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.copy-btn:hover{background:#ffffff1a;color:#fff;border-color:#fff}.copy-btn.copied{background:#10b981;border-color:#10b981;color:#fff}.preview-list{flex:1 1 0;overflow-y:auto;padding:.5rem;min-height:0;display:block}.preview-list::-webkit-scrollbar,.filter-controls::-webkit-scrollbar,.preview-details::-webkit-scrollbar{width:8px;height:8px}.preview-list::-webkit-scrollbar-track,.filter-controls::-webkit-scrollbar-track,.preview-details::-webkit-scrollbar-track{background:#0f172a80;border-radius:4px}.preview-list::-webkit-scrollbar-thumb,.filter-controls::-webkit-scrollbar-thumb,.preview-details::-webkit-scrollbar-thumb{background:#475569;border-radius:4px;border:2px solid rgba(15,23,42,.5)}.preview-list::-webkit-scrollbar-thumb:hover,.filter-controls::-webkit-scrollbar-thumb:hover,.preview-details::-webkit-scrollbar-thumb:hover{background:#64748b}.preview-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;border-bottom:1px solid rgba(255,255,255,.05);transition:background .15s;border-radius:6px;margin-bottom:2px}.preview-item:last-child{border-bottom:none}.preview-item:hover{background:#ffffff08}.preview-name{font-weight:600;color:#f1f5f9;font-size:.95rem}.preview-meta{text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:0}.meta-highlight{color:#818cf8;font-weight:700;font-size:1.1rem}.preview-item.active{background:#ffffff14;flex-direction:column;align-items:stretch;gap:0}.preview-main-row{display:flex;justify-content:space-between;align-items:center;width:100%}.preview-details{margin-top:1rem;padding-top:1rem;border-top:1px solid rgba(255,255,255,.1);animation:fadeIn .2s ease-out;max-height:300px;overflow-y:auto}.details-table{width:100%;border-collapse:collapse;font-size:.85rem;text-align:left}.details-table th{color:#94a3b8;font-weight:600;padding-bottom:.25rem;border-bottom:1px solid rgba(255,255,255,.1)}.details-table td{padding:.25rem 0;color:#e2e8f0;border-bottom:1px solid rgba(255,255,255,.05)}.details-table tr:last-child td{border-bottom:none}.data-import-container{position:relative;display:inline-block;z-index:100}.import-header-btn{background:transparent;border:1px solid rgba(255,255,255,.2);color:#94a3b8;font-size:.75rem;font-weight:600;letter-spacing:.1em;padding:.35rem 1rem;border-radius:6px;cursor:pointer;display:flex;align-items:center;transition:all .2s ease;white-space:nowrap;font-family:Inter,system-ui,sans-serif}.import-header-btn:hover:not(:disabled){background:#ffffff0d;color:#fff;border-color:#fff6;box-shadow:0 0 10px #ffffff1a}.import-header-btn:disabled{opacity:.5;cursor:wait}.import-dropdown-menu{position:absolute;top:100%;right:0;width:180px;background-color:#1e293b;border:1px solid #334155;border-radius:6px;box-shadow:0 10px 15px -3px #0000004d;margin-top:5px;padding:4px 0;display:none}.import-dropdown-menu:before{content:"";position:absolute;top:-5px;left:0;width:100%;height:5px;background:transparent}.data-import-container:hover .import-dropdown-menu{display:block}.import-menu-item{padding:8px 16px;color:#e2e8f0;font-size:.9rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;position:relative;transition:background-color .15s}.import-menu-item:hover{background-color:#334155;color:#fff}.arrow-right{font-size:.7rem;color:#94a3b8}.import-submenu{position:absolute;top:0;right:100%;width:160px;background-color:#1e293b;border:1px solid #334155;border-radius:6px;box-shadow:0 10px 15px -3px #0000004d;padding:4px 0;display:none;margin-right:4px}.import-submenu:before{content:"";position:absolute;top:0;left:100%;width:6px;height:100%;background:transparent}.import-menu-item:hover .import-submenu{display:block}.import-submenu-item{padding:8px 16px;color:#cbd5e1;font-size:.85rem;cursor:pointer;transition:all .15s;text-align:left}.import-submenu-item:hover{background-color:#334155;color:#fff;padding-left:20px}.item-science:hover{border-left:3px solid #2ECC71;color:#2ecc71}.item-math:hover{border-left:3px solid #3498DB;color:#3498db}.item-english:hover{border-left:3px solid #E74C3C;color:#e74c3c}.item-social:hover{border-left:3px solid #F1C40F;color:#f1c40f}.item-electives:hover{border-left:3px solid #9B59B6;color:#9b59b6}.modal-content.verification-modal{background:#1e293b;border:1px solid rgba(255,255,255,.1);box-shadow:0 25px 50px -12px #00000080;width:90%;max-width:950px;height:85vh;border-radius:16px;overflow:hidden;display:flex;flex-direction:column;animation:modalFadeIn .2s ease-out;color:#e2e8f0;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}.verification-header{background:#0f172a;padding:1rem 2rem;border-bottom:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center}.verification-header h3{margin:0;font-size:1.5rem;background:linear-gradient(90deg,#fff,#a5b4fc);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-weight:700}.view-toggle{background:#ffffff0d;border-radius:9999px;padding:4px;display:flex;gap:4px}.toggle-option{background:transparent;border:none;color:#94a3b8;padding:6px 16px;border-radius:9999px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s}.toggle-option.active{background:#4f46e5;color:#fff;box-shadow:0 2px 4px #0003}.verification-body{flex:1;overflow-y:auto;padding:1.5rem 2rem;background:#1e293b}.verification-controls{display:flex;gap:1rem;margin-bottom:1.5rem;align-items:center}.verification-controls-col{display:flex;flex-direction:column}.search-input{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);padding:.5rem 1rem;border-radius:6px;color:#fff;width:250px}.search-input:focus{outline:none;border-color:#6366f1}.filter-btn-toggle{background:transparent;border:1px solid rgba(255,255,255,.2);color:#94a3b8;padding:.4rem .8rem;border-radius:6px;cursor:pointer;font-size:.85rem;transition:all .2s}.filter-btn-toggle.active{background:#ef444426;border-color:#ef4444;color:#ef4444;font-weight:600}.student-verification-row{background:#ffffff08;border:1px solid rgba(255,255,255,.05);border-radius:8px;margin-bottom:1rem;overflow:hidden}.student-row-header{padding:1rem;display:flex;justify-content:space-between;align-items:center;cursor:pointer;background:#ffffff05}.student-row-header:hover{background:#ffffff0d}.student-info{display:flex;flex-direction:column;justify-content:center;min-width:0;margin-right:1rem}.student-info h4{margin:0;font-size:1rem;color:#f8fafc;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.student-info span{font-size:.8rem;color:#94a3b8;white-space:nowrap}.health-status,.row-status{font-size:.85rem;font-weight:600;padding:.25rem .75rem;border-radius:9999px;white-space:nowrap}.health-status.good,.row-status.good{background:#10b98126;color:#10b981}.health-status.partial,.row-status.partial{background:#f59e0b26;color:#f59e0b}.health-status.missing,.row-status.missing{background:#ef444426;color:#ef4444;border:1px solid rgba(239,68,68,.3)}.student-classes-list-view{padding:0;background:#0003;border-top:1px solid rgba(255,255,255,.05)}.history-table{width:100%;border-collapse:collapse;font-size:.9rem}.history-table th{text-align:left;padding:.75rem 1rem;color:#94a3b8;font-weight:600;border-bottom:1px solid rgba(255,255,255,.05);background:#ffffff05}.history-table td{padding:.75rem 1rem;border-bottom:1px solid rgba(255,255,255,.03);vertical-align:middle}.history-row:last-child td{border-bottom:none}.history-row:hover{background:#ffffff08}.cell-name .cls-name{color:#e2e8f0;font-weight:600}.cell-name .cls-subj{color:#64748b;font-size:.75rem;text-transform:uppercase}.status-badge{padding:2px 8px;border-radius:4px;font-size:.75rem;font-weight:600;text-transform:uppercase}.status-badge.good{background:#10b98126;color:#10b981}.status-badge.partial{background:#f59e0b26;color:#f59e0b}.status-badge.missing{background:#ef444426;color:#ef4444}.cell-count{color:#cbd5e1;font-weight:700}.cell-range{color:#94a3b8;font-size:.85rem}.cell-meta .meta-date{color:#e2e8f0;font-size:.85rem}.cell-meta .meta-import{color:#64748b;font-size:.7rem}.health-status-row{display:flex;gap:.5rem;align-items:center;flex-shrink:0}.mini-status-pill{display:flex;align-items:center;gap:6px;background:#ffffff0d;padding:3px 8px;border-radius:6px;border:1px solid rgba(255,255,255,.1);white-space:nowrap;height:24px;box-sizing:border-box}.status-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}.status-dot.good{background:#10b981;box-shadow:0 0 4px #10b98166}.status-dot.partial{background:#f59e0b}.status-dot.missing{background:#ef4444}.subj-code{color:#cbd5e1;font-size:.7rem;font-weight:700;letter-spacing:.05em}.time-ago{color:#94a3b8;font-size:.7rem}.category-block{background:#ffffff03;border-radius:12px;overflow:hidden;margin-bottom:1rem;border:1px solid rgba(255,255,255,.05)}.category-header{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:#ffffff0d;border-bottom:1px solid rgba(255,255,255,.05)}.cat-title-group{display:flex;align-items:center;gap:.5rem;cursor:pointer;-webkit-user-select:none;user-select:none}.chevron{font-size:.8rem;color:#94a3b8;transition:transform .2s;display:inline-block}.chevron.open{transform:rotate(180deg)}.category-title-text{margin:0;font-size:1.1rem;color:#a5b4fc}.category-issue-badge{background:#ef444426;color:#f87171;border:1px solid rgba(239,68,68,.3);padding:4px 12px;border-radius:9999px;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s}.category-issue-badge:hover{background:#ef444440;transform:scale(1.02)}.category-issues-panel{background:#0000004d;padding:1rem;border-bottom:1px solid rgba(255,255,255,.05);animation:slideDown .2s ease-out}.category-issues-panel h5{margin:0 0 .75rem;color:#cbd5e1;font-size:.9rem}.issue-tags{display:flex;flex-wrap:wrap;gap:.5rem}.issue-student-tag{background:#ef444433;color:#fca5a5;padding:2px 8px;border-radius:4px;font-size:.85rem}.category-subjects{background:#0000001a}.subject-container{border-bottom:1px solid rgba(255,255,255,.05)}.subject-header-row{padding:1rem;display:flex;justify-content:space-between;align-items:center;cursor:pointer;background:#ffffff05;transition:background .2s}.subject-header-row:hover{background:#ffffff0a}.subject-name-block h5{margin:0;font-size:1rem;color:#e2e8f0}.enrollment-pill{background:#ffffff1a;padding:2px 10px;border-radius:12px;font-size:.8rem;color:#cbd5e1}.class-detailed-view{padding:1rem;background:#0f172a;border-top:1px solid rgba(255,255,255,.05)}.detail-filters{display:flex;gap:.5rem;margin-bottom:1rem;flex-wrap:wrap}.detail-filter-pill{background:transparent;border:1px solid rgba(255,255,255,.2);color:#94a3b8;padding:4px 12px;border-radius:6px;cursor:pointer;font-size:.8rem;transition:all .2s}.detail-filter-pill.active{background:#4f46e5;border-color:#4f46e5;color:#fff}.detail-student-table{display:flex;flex-direction:column;gap:2px}.table-header{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;padding:.5rem 1rem;font-size:.8rem;text-transform:uppercase;color:#64748b;font-weight:700}.table-row{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;padding:.5rem 1rem;background:#ffffff08;border-radius:4px;align-items:center;font-size:.9rem;color:#e2e8f0}.row-status{width:fit-content}.empty-table-msg{text-align:center;padding:2rem;color:#64748b;font-style:italic}.custom-context-menu{position:absolute;background-color:#1e293b;border:1px solid #334155;border-radius:8px;box-shadow:0 10px 15px -3px #0006,0 4px 6px -2px #0003;min-width:160px;z-index:10000;padding:4px 0;overflow:hidden;animation:fadeIn .1s ease-out}.context-menu-item{padding:10px 16px;font-size:.9rem;color:#e2e8f0;cursor:pointer;display:flex;align-items:center;transition:background-color .15s}.context-menu-item:hover{background-color:#334155}.context-menu-item.danger{color:#f87171}.context-menu-item.danger:hover{background-color:#ef44441a}.menu-icon{margin-right:8px;font-size:1.1em}@keyframes fadeIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.login-container{height:100vh;display:flex;justify-content:center;align-items:center;background:#0f172a;color:#fff;font-family:Inter,system-ui,sans-serif}.login-card{background:#1e293b;padding:3rem;border-radius:16px;box-shadow:0 25px 50px -12px #00000080;width:100%;max-width:400px;text-align:center;border:1px solid rgba(255,255,255,.05)}.login-card h1{font-size:2rem;font-weight:800;margin:0 0 .5rem;background:linear-gradient(135deg,#6366f1,#a5b4fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.subtitle{color:#94a3b8;margin-bottom:2rem;font-size:.95rem}.login-form{display:flex;flex-direction:column;gap:1rem}.login-input{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);padding:.85rem;border-radius:8px;color:#fff;font-size:1rem;outline:none;transition:all .2s}.login-input:focus{border-color:#6366f1;background:#ffffff14}.login-btn{background:#4f46e5;color:#fff;border:none;padding:.85rem;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s}.login-btn:hover:not(:disabled){background:#4338ca}.login-btn:disabled{opacity:.7;cursor:wait}.login-message{margin-top:1.5rem;padding:.75rem;border-radius:6px;font-size:.9rem}.login-message.success{background:#10b9811a;color:#34d399;border:1px solid rgba(52,211,153,.2)}.login-message.error{background:#ef44441a;color:#f87171;border:1px solid rgba(248,113,113,.2)}.login-footer{margin-top:2rem;font-size:.75rem;color:#64748b;border-top:1px solid rgba(255,255,255,.05);padding-top:1rem}
