:root{font-family:Segoe UI,Inter,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;color:#f8f8f8;background:#0b0b0b;font-synthesis:none;text-rendering:geometricPrecision;-webkit-font-smoothing:antialiased;--bg: #0b0b0b;--surface: #171717;--surface-2: #222222;--line: #3a3a3a;--text: #ffffff;--muted: #b8b8b8;--blue: #0078d7;--green: #107c10;--orange: #d83b01;--red: #e81123;--purple: #881798;--teal: #00b294}*{box-sizing:border-box}body{min-width:320px;margin:0;background:var(--bg)}button,input,select,textarea{font:inherit}button{color:inherit}.app-shell{width:min(100%,980px);min-height:100svh;margin:0 auto;padding:max(14px,env(safe-area-inset-top)) 14px max(18px,env(safe-area-inset-bottom))}.topbar,.section-head,.metro-actions,.bottom-nav{display:flex;align-items:center;justify-content:space-between;gap:10px}.topbar{min-height:48px;border-bottom:2px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:10px;padding:0;border:0;background:transparent;color:var(--text);font-size:18px;font-weight:700;text-transform:uppercase}.brand-mark{display:block;width:22px;height:22px;background:linear-gradient(90deg,var(--blue) 0 48%,transparent 48% 54%,var(--green) 54% 100%)}.breadcrumb{display:flex;gap:8px;overflow-x:auto;padding:14px 0;color:var(--muted);scrollbar-width:none}.breadcrumb::-webkit-scrollbar{display:none}.breadcrumb button{flex:0 0 auto;border:0;background:transparent;color:inherit;padding:0;font-size:13px;text-transform:uppercase}.breadcrumb button+button:before{content:"/";margin-right:8px;color:var(--blue)}.screen{display:flex;flex-direction:column;gap:18px}.section-head{align-items:end}.section-head.compact{align-items:center}.section-head.compact h2{color:var(--text)}.section-head.compact svg{width:24px;height:24px;color:var(--blue)}h1,h2,p{margin:0}h1{font-size:clamp(38px,12vw,78px);line-height:.94;font-weight:300;letter-spacing:0;text-transform:uppercase}h2{font-size:19px;font-weight:600;text-transform:uppercase}p{color:var(--muted);font-size:14px}.class-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.class-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;position:sticky;top:0;padding:4px 0;background:var(--bg)}.class-tabs button{min-height:42px;border:2px solid var(--line);background:#060606;color:var(--muted);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:0}.class-tabs button.is-active{border-color:var(--blue);background:var(--blue);color:var(--text)}.class-tile{min-height:138px;display:flex;flex-direction:column;justify-content:space-between;padding:14px;border:2px solid transparent;background:var(--surface);cursor:pointer;text-align:left}.class-tile strong{display:block;font-size:31px;line-height:1}.class-tile span{display:block;margin-top:4px;color:#ffffffc7;text-transform:uppercase}.class-tile b{align-self:flex-end;font-size:48px;line-height:.9;font-weight:300}.tile-0{background:var(--blue)}.tile-1{background:var(--green)}.tile-2{background:var(--orange)}.tile-3{background:var(--purple)}.tile-4{background:var(--teal)}.tile-5{background:var(--surface-2);border-color:var(--line)}.ui-button{min-height:42px;border:2px solid transparent;border-radius:0;background:var(--blue);color:var(--text);display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 14px;font-weight:700;font-size:13px;text-transform:uppercase;cursor:pointer}.ui-button svg{width:18px;height:18px}.ui-button:disabled{opacity:.35;cursor:not-allowed}.ui-button--secondary{background:var(--surface-2);border-color:var(--line)}.ui-button--ghost{background:transparent;border-color:var(--line)}.ui-button--danger{background:var(--red)}.ui-button--icon{width:42px;padding:0}.ui-button--sm{min-height:34px;padding:0 10px}.ui-input{width:100%;min-height:42px;border:2px solid var(--line);border-radius:0;background:#050505;color:var(--text);padding:8px 10px;outline:0}.ui-input:focus{border-color:var(--blue)}.ui-textarea{resize:vertical;line-height:1.35}.ui-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;text-align:center}.ui-badge{display:inline-flex;align-items:center;justify-content:center;min-width:34px;min-height:28px;border:2px solid var(--line);background:#101010;color:var(--text);padding:4px 8px;font-size:12px;font-weight:700;text-transform:uppercase}.settings-panel,.import-panel,.absents{display:flex;flex-direction:column;gap:12px;padding:14px;background:var(--surface);border-left:6px solid var(--purple)}.management-panel{border-left-color:var(--green)}.field-grid,.class-editor{display:grid;grid-template-columns:1fr .7fr;gap:10px}label{display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:12px;text-transform:uppercase}.ui-switch{display:flex;align-items:center;gap:10px;border:0;background:transparent;color:var(--text);padding:0;text-transform:uppercase;font-weight:700}.ui-switch__track{width:48px;height:26px;border:2px solid var(--line);background:#050505;padding:2px}.ui-switch__thumb{display:block;width:18px;height:18px;background:var(--muted);transition:transform .16s ease,background .16s ease}.ui-switch--checked .ui-switch__thumb{transform:translate(20px);background:var(--blue)}.role-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.role-choice{min-height:36px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:2px solid var(--line);background:#090909;color:var(--muted);text-transform:uppercase;font-size:12px;font-weight:700;opacity:.58}.role-choice.is-active{color:var(--text);background:#151515;box-shadow:inset 0 0 0 2px currentColor;opacity:1}.role-choice svg{width:15px;height:15px}.metro-actions{display:grid;grid-template-columns:1fr 1fr}.name-list{display:flex;flex-direction:column;gap:6px}.name-row{display:grid;grid-template-columns:minmax(0,1fr) 42px;gap:6px;padding:6px;background:var(--surface);border-left:5px solid var(--green)}.name-row .ui-input{min-height:36px}.student-table{display:flex;flex-direction:column;gap:6px}.student-head,.student-row{display:grid;grid-template-columns:minmax(92px,1fr) 48px 42px 42px 42px 42px;gap:6px;align-items:center}.student-head{padding:0 4px;color:var(--muted);font-size:11px;text-transform:uppercase}.student-head--classer{grid-template-columns:minmax(92px,1fr) 48px 42px 42px 42px;padding:0 6px;border-left:5px solid transparent}.student-row{padding:6px;background:var(--surface);border-left:5px solid var(--blue)}.student-row--classer{grid-template-columns:minmax(92px,1fr) 48px 42px 42px 42px}.student-name{min-width:0;overflow-wrap:anywhere;font-weight:600}.student-row .ui-input{min-height:36px;padding:4px 6px}.teams-grid{display:grid;grid-template-columns:1fr;gap:10px}.team-block{display:flex;flex-direction:column;gap:8px;padding:12px;background:var(--surface);border-top:7px solid var(--blue)}.team-block header{display:flex;justify-content:space-between;align-items:baseline;gap:10px;text-transform:uppercase}.team-block header strong{font-size:28px;font-weight:300}.team-block header span{color:var(--muted);font-weight:700}.team-member{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:7px 0;border-bottom:1px solid var(--line);cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none}.team-member>div:first-child{display:flex;flex-wrap:wrap;align-items:center;gap:6px}.drag-handle{flex:0 0 auto;width:20px;height:20px;color:var(--muted)}.score-chip{min-width:auto;min-height:22px;padding:2px 6px;color:var(--muted);font-size:11px;border-color:#2c2c2c;background:transparent}.total-badge{color:var(--blue);border-color:var(--blue);background:#0078d71a}.team-member.is-dragging{opacity:.45;cursor:grabbing}.team-block.is-drop-target{outline:2px dashed rgba(255,255,255,.2);outline-offset:-6px}.absents{border-left-color:var(--line)}.absents div{display:flex;flex-wrap:wrap;gap:8px}.bottom-nav{position:sticky;bottom:0;padding:10px 0 0;background:linear-gradient(transparent,var(--bg) 26%)}.bottom-nav .ui-button{flex:1}.app-footer{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px;margin-top:32px;padding:16px 0 4px;border-top:2px solid var(--line);color:var(--muted);font-size:11px;line-height:1.35}.app-footer span,.app-footer strong{display:inline}.app-footer strong{color:var(--text);font-size:12px;text-transform:uppercase}.app-footer a{color:var(--blue);font-weight:700;text-decoration:none}.confirm-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:18px;background:#000000c7}.confirm-modal{width:min(100%,420px);display:flex;flex-direction:column;gap:16px;padding:18px;border:2px solid var(--red);background:var(--bg);color:var(--text)}.help-modal{width:min(100%,680px);max-height:min(86svh,760px);overflow:auto;display:flex;flex-direction:column;gap:16px;padding:18px;border:2px solid var(--blue);background:var(--bg);color:var(--text)}.help-grid{display:grid;grid-template-columns:1fr;gap:12px}.help-grid section{padding:12px;border-left:5px solid var(--blue);background:var(--surface)}.help-grid h3{margin:0 0 8px;font-size:15px;text-transform:uppercase}.help-grid p{margin:0 0 8px;line-height:1.45}.help-grid p:last-child{margin-bottom:0}.help-grid a{color:var(--blue);font-weight:700;text-decoration:none}.confirm-modal p{color:var(--muted);line-height:1.45}.confirm-modal p strong{color:var(--text)}.confirm-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}@media(min-width:720px){.app-shell{padding:24px}.class-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.teams-grid,.help-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}