:root{--bg-color:#fff;--grid-color:#0000000d;--text-color:#111;--card-bg:#fffc;--card-border:#0000001a;--primary:#000;--primary-text:#000;--primary-hover:#333;--btn-text:#fff;--danger:#ef4444;--danger-hover:#dc2626;--success:#22c55e;--warning:#f59e0b;--weak-bg:#fef2f2;--weak-text:#ef4444;--medium-bg:#fffbeb;--medium-text:#f59e0b;--strong-bg:#f0fdf4;--strong-text:#22c55e;--input-bg:#ffffffe6;--border:#e5e5e5;--modal-bg:#fffc;--card-shadow:0 10px 30px -10px #0000001a;--btn-shadow:0 4px 14px 0 #0000001a;--heat-0:#f1f5f9;--heat-1:#bbf7d0;--heat-2:#4ade80;--heat-3:#16a34a;--heat-4:#14532d}.dark-mode{--bg-color:#000;--grid-color:#ffffff14;--text-color:#fff;--card-bg:#121212cc;--card-border:#ffffff26;--primary:#fff;--primary-text:#fff;--primary-hover:#ccc;--btn-text:#000;--danger:#f87171;--danger-hover:#ef4444;--input-bg:#1e1e1ecc;--border:#333;--weak-bg:#ef444426;--weak-text:#fca5a5;--medium-bg:#f59e0b26;--medium-text:#fcd34d;--strong-bg:#22c55e26;--strong-text:#86efac;--modal-bg:#000c;--card-shadow:0 10px 30px -10px #ffffff0d;--btn-shadow:0 4px 14px 0 #ffffff1a;--heat-0:#1e293b;--heat-1:#064e3b;--heat-2:#065f46;--heat-3:#059669;--heat-4:#10b981}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);background-image:linear-gradient(to right, var(--grid-color) 1px, transparent 1px), linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);color:var(--text-color);background-position:50%;background-size:40px 40px;min-height:100vh;font-family:Inter,sans-serif;transition:background-color .3s,color .3s,background-image .3s}html{scroll-behavior:auto}#app{max-width:1400px;margin:0 auto;padding:1.5rem}header{background:var(--card-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--card-border);box-shadow:var(--card-shadow);border-radius:9999px;justify-content:space-between;align-items:center;margin-bottom:2.5rem;padding:1.25rem 2rem;display:flex}.logo{color:var(--primary-text);letter-spacing:-.5px;align-items:center;gap:.75rem;font-size:1.5rem;font-weight:800;display:flex}button{cursor:pointer;border:none;border-radius:9999px;font-family:inherit;transition:all .2s cubic-bezier(.4,0,.2,1)}#theme-toggle{background:var(--border);color:var(--text-color);border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.1rem;display:flex}#theme-toggle:hover{background:var(--primary);color:#fff;transform:rotate(15deg)scale(1.1)}.dashboard-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem;display:grid}.content-grid{grid-template-columns:350px 1fr;gap:1.5rem;display:grid}@media (max-width:1024px){.content-grid{grid-template-columns:1fr}}.codolio-dashboard{grid-template-columns:350px 1fr 300px;gap:1.5rem;margin-bottom:2rem;display:grid}.stats-layout{flex-direction:column;gap:1rem;display:flex}@media (max-width:1024px){.codolio-dashboard{grid-template-columns:1fr}}.glass-card{background:var(--card-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--card-border);box-shadow:var(--card-shadow);box-shadow:inset 0 0 0 1px #fff3, var(--card-shadow);border-radius:24px;padding:2rem}.glass-card h2{color:var(--text-color);align-items:center;gap:.5rem;margin-bottom:1.5rem;font-size:1.35rem;font-weight:800;display:flex}.glass-card h4{color:#64748b;text-transform:uppercase;letter-spacing:.5px;margin-bottom:1rem;font-size:.85rem;font-weight:700}.hexagon{clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);background:#e2e8f0;flex-direction:column;justify-content:center;align-items:center;width:60px;height:65px;display:flex;position:relative}.hexagon-inner{clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);flex-direction:column;justify-content:center;align-items:center;width:56px;height:61px;display:flex;position:absolute;top:2px;left:2px}.topic-bar-container{align-items:center;margin-bottom:.5rem;font-size:.85rem;font-weight:600;display:flex}.topic-name{text-align:right;color:#64748b;width:150px;padding-right:1rem}.dark-mode .topic-name{color:#94a3b8}.topic-bar{background:var(--primary);color:#fff;border-radius:4px;justify-content:flex-end;align-items:center;height:16px;padding-right:.5rem;font-size:.75rem;font-weight:700;display:flex}.contest-rank{text-align:center;margin-bottom:1.5rem}.contest-rank-stars{color:var(--primary);letter-spacing:2px;font-size:1.2rem}.contest-rank-value{color:var(--text-color);margin:.5rem 0;font-size:2rem;font-weight:800;line-height:1}.contest-rank-title{color:var(--success);font-size:1.2rem;font-weight:700}.heatmap-grid{grid-template-rows:repeat(7,1fr);grid-auto-flow:column;gap:4px;padding-bottom:.5rem;display:grid;overflow-x:auto}.heat-cell{background:var(--heat-0);border-radius:4px;width:14px;height:14px}.heat-1{background:var(--heat-1)}.heat-2{background:var(--heat-2)}.heat-3{background:var(--heat-3)}.heat-4{background:var(--heat-4)}.form-group{margin-bottom:1.25rem}.form-group label{color:#64748b;text-transform:uppercase;letter-spacing:.5px;margin-bottom:.5rem;font-size:.85rem;font-weight:700;display:block}.dark-mode .form-group label{color:#94a3b8}input,select,textarea{border:2px solid var(--border);background-color:var(--input-bg);width:100%;color:var(--text-color);border-radius:12px;padding:.8rem 1rem;font-family:inherit;font-weight:500;transition:all .2s}input:focus,select:focus,textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 4px #7dd3fc4d}.form-actions{gap:1rem;margin-top:2rem;display:flex}.btn{box-shadow:var(--btn-shadow);letter-spacing:.5px;flex:1;justify-content:center;align-items:center;gap:.5rem;padding:.8rem 1.5rem;font-weight:700;display:inline-flex}.btn-primary{background-color:var(--primary);color:var(--btn-text)}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-2px)}.btn-secondary{background-color:var(--border);color:var(--text-color)}.btn-secondary:hover{background-color:#cbd5e1}.dark-mode .btn-secondary:hover{background-color:#475569}.list-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.5rem;display:flex}.filters{flex-wrap:wrap;gap:.75rem;display:flex}.filters input,.filters select{border-radius:9999px;width:auto;min-width:150px}.table-container{border:1px solid var(--border);border-radius:16px;overflow-x:auto}table{border-collapse:collapse;white-space:nowrap;background:var(--input-bg);width:100%}th,td{text-align:left;border-bottom:1px solid var(--border);padding:1.25rem 1rem}th{color:#64748b;text-transform:uppercase;letter-spacing:.5px;background:var(--card-bg);font-size:.85rem;font-weight:700}.dark-mode th{color:#94a3b8}th.sortable{cursor:pointer}th.sortable:hover{color:var(--primary-text)}td{font-size:.95rem;font-weight:500}tbody tr{transition:background-color .2s}tbody tr:hover{background-color:#00000008}.dark-mode tbody tr:hover{background-color:#ffffff08}.clickable-row{cursor:pointer}.badge{text-transform:uppercase;letter-spacing:.5px;border-radius:9999px;margin:.15rem;padding:.4rem .8rem;font-size:.75rem;font-weight:800;display:inline-block}.badge-tag{background:var(--border);color:var(--text-color)}.badge-weak{background:var(--weak-bg);color:var(--weak-text)}.badge-medium{background:var(--medium-bg);color:var(--medium-text)}.badge-strong{background:var(--strong-bg);color:var(--strong-text)}.revise-now{background:var(--danger);color:#fff;animation:2s infinite bounce}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}.action-btns{gap:.5rem;display:flex}.btn-icon{background:var(--border);width:36px;height:36px;color:var(--text-color);border-radius:50%;justify-content:center;align-items:center;font-size:1rem;display:inline-flex}.btn-icon:hover{transform:scale(1.1)}.btn-icon.edit:hover{background:var(--primary);color:#fff}.btn-icon.delete:hover{background:var(--danger);color:#fff}.btn-icon.check:hover{background:var(--success);color:#fff}.modal{background:var(--modal-bg);-webkit-backdrop-filter:blur(8px);z-index:1000;opacity:1;justify-content:center;align-items:center;width:100%;height:100%;transition:opacity .3s;display:flex;position:fixed;top:0;left:0}.modal.hidden{opacity:0;pointer-events:none}.modal-content{width:90%;max-width:600px;transition:all .3s cubic-bezier(.34,1.56,.64,1);position:relative;transform:translateY(0)scale(1)}.modal.hidden .modal-content{transform:translateY(20px)scale(.95)}.close-btn{background:var(--border);cursor:pointer;width:36px;height:36px;color:var(--text-color);border-radius:50%;justify-content:center;align-items:center;font-size:1.2rem;transition:all .2s;display:flex;position:absolute;top:1.5rem;right:1.5rem}.close-btn:hover{background:var(--danger);color:#fff;transform:rotate(90deg)}.modal-body h3{color:var(--primary-text);text-transform:uppercase;letter-spacing:.5px;margin-top:1.5rem;margin-bottom:.5rem;font-size:1rem}.modal-body p{white-space:pre-wrap;background:var(--input-bg);border:1px solid var(--border);border-radius:12px;padding:1rem;font-size:.95rem;line-height:1.6}.nav-link{white-space:nowrap;color:var(--text-color);z-index:0;border-radius:999px;align-items:center;gap:4px;padding:.45rem .9rem;font-size:.9rem;font-weight:600;text-decoration:none;transition:color .25s;display:inline-flex;position:relative;overflow:hidden}.nav-link:before{content:"";z-index:-1;background:var(--border);transform-origin:bottom;border-radius:4px 4px 50% 50%/4px 4px 20px 20px;transition:transform .35s cubic-bezier(.34,1.56,.64,1),border-radius .35s cubic-bezier(.34,1.56,.64,1);position:absolute;inset:0;transform:scaleX(.4)scaleY(0)}.nav-link:hover:before{border-radius:50% 50% 4px 4px/20px 20px 4px 4px;transform:scaleX(1)scaleY(1)}.nav-link.nav-active:before{background:var(--border);border-radius:8px;transform:scaleX(1)scaleY(1)}.nav-link:hover{color:var(--primary-text);transition:color .25s,transform .25s cubic-bezier(.34,1.56,.64,1);transform:translateY(-1px)}.nav-link.nav-active{color:var(--primary-text);font-weight:700}.nav-link.nav-coffee{color:#f59e0b}.nav-link.nav-coffee:before{background:#f59e0b1f}.nav-link.nav-coffee:hover{color:#f59e0b}.nav-link:after{content:"";z-index:-1;opacity:0;background:radial-gradient(circle,#ffffff26 0%,#0000 70%);border-radius:999px;transition:transform .4s,opacity .4s;position:absolute;inset:0;transform:scale(0)}.nav-link:active:after{opacity:1;transition:all;transform:scale(1.5)}@media (max-width:768px){#app{padding:1rem}header{border-radius:20px;margin-bottom:1.5rem;padding:1rem 1.5rem}.logo span{font-size:1.1rem!important}.dashboard-grid,.content-grid,.codolio-dashboard{gap:1rem;grid-template-columns:1fr!important}.glass-card{border-radius:20px;padding:1.25rem}.topic-name{width:100px;font-size:.75rem}.contest-rank-value{font-size:1.5rem}.table-container table{font-size:.8rem}th,td{padding:.8rem .5rem}.badge{padding:.25rem .5rem;font-size:.65rem}.btn{padding:.6rem 1rem;font-size:.85rem}.profile-card{margin-bottom:1rem}.profile-card img{width:80px!important;height:80px!important}.heatmap-container{margin-top:1rem}.modal-content{width:95%;padding:1.5rem}.form-section{order:2}.list-section{order:1}.filters input,.filters select{width:100%;min-width:0}.action-btns{flex-direction:column}.btn-icon{width:32px;height:32px;font-size:.85rem}}@media (max-width:480px){.logo span span{display:none}.header-actions{gap:.5rem}.user-controls{gap:.25rem}.topic-bar-container{flex-direction:column;align-items:flex-start}.topic-name{text-align:left;width:100%;margin-bottom:.25rem;padding-right:0}.badge-tag{margin:.1rem}}@keyframes slideUp{0%{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%)}}