@import url('homepage-polish.css');
:root{--navy:#0b1f3a;--navy2:#17365d;--gold:#c9980a;--gold2:#e8b310;--bg:#f5f7fb;--card:#fff;--text:#10233f;--muted:#66758a;--line:#d9e2ee;--green:#26734d;--greenbg:#eefaf3;--amber:#a86508;--amberbg:#fff7e5;--red:#b83232;--redbg:#fff1f1;--radius:14px;--shadow:0 12px 35px rgba(11,31,58,.08)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:'DM Sans',system-ui,sans-serif;color:var(--text);background:var(--bg)}button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.nav{height:66px;background:var(--navy);border-bottom:2px solid var(--gold);display:flex;align-items:center;gap:18px;padding:0 24px;position:sticky;top:0;z-index:50}.brand{display:flex;align-items:center;gap:10px;color:white;font-weight:800;white-space:nowrap}.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--gold);display:grid;place-items:center;color:var(--navy);font-weight:900}.brand small{display:block;font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold2);margin-top:2px}.nav-tabs{display:flex;gap:4px;flex:1;overflow:auto}.nav-tab{border:0;background:transparent;color:#ffffff9c;padding:9px 11px;border-radius:9px;font-weight:700;font-size:12px;white-space:nowrap}.nav-tab.active,.nav-tab:hover{background:#ffffff12;color:white}.nav-tab.active{color:var(--gold2)}.nav-user{display:flex;align-items:center;gap:9px;color:#ffffffb5;font-size:12px}.avatar{width:32px;height:32px;border-radius:50%;background:var(--gold);color:var(--navy);display:grid;place-items:center;font-weight:800}.page{display:none}.page.active{display:block}.wrap{max-width:1080px;margin:0 auto;padding:30px 24px 60px}.wrap-sm{max-width:680px;margin:0 auto;padding:30px 24px 60px}.hero{background:linear-gradient(135deg,var(--navy),var(--navy2));color:white;border-radius:18px;padding:26px 28px;margin-bottom:18px;box-shadow:var(--shadow)}.hero h1{font-size:25px;margin:0 0 5px}.hero h1 span{color:var(--gold2)}.hero p{margin:0;color:#ffffff9f;font-size:13px;line-height:1.55}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:0 1px 2px #0b1f3a0a;margin-bottom:14px}.card h2,.card h3{margin-top:0}.section-label{font-size:10px;text-transform:uppercase;letter-spacing:.09em;color:#8895a7;font-weight:800;margin-bottom:9px}.grid{display:grid;gap:12px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:18px}.stat{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:15px}.stat strong{display:block;font:800 24px 'DM Mono',monospace}.stat span{font-size:10px;color:var(--muted);text-transform:uppercase;font-weight:800;letter-spacing:.06em}.btn{border:0;border-radius:10px;padding:10px 16px;font-weight:800;font-size:13px;display:inline-flex;align-items:center;justify-content:center;gap:7px}.btn-primary{background:var(--navy);color:var(--gold2)}.btn-primary:hover{background:var(--navy2)}.btn-gold{background:var(--gold);color:var(--navy)}.btn-outline{background:white;color:var(--text);border:1px solid #bdc9d8}.btn-danger{background:var(--redbg);color:var(--red);border:1px solid #f0b6b6}.btn-sm{padding:6px 10px;font-size:11px}.btn:disabled{opacity:.5;cursor:not-allowed}.form-field{margin-bottom:14px}.form-field label{display:block;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:5px}.form-field input,.form-field select,.form-field textarea{width:100%;border:1.5px solid var(--line);background:white;padding:10px 11px;border-radius:9px;color:var(--text)}.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:0;border-color:var(--navy);box-shadow:0 0 0 3px #17365d12}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.notice{border-radius:10px;padding:11px 13px;font-size:12px;line-height:1.55;margin-bottom:12px}.notice-info{background:#edf4fc;border:1px solid #c8dbf1;color:#274a72}.notice-gold{background:#fff8df;border:1px solid #f0d060;color:#614a08}.notice-green{background:var(--greenbg);border:1px solid #b7dfc7;color:var(--green)}.notice-red{background:var(--redbg);border:1px solid #efb8b8;color:var(--red)}.tag{display:inline-flex;align-items:center;padding:3px 7px;border-radius:6px;font-size:10px;font-weight:800}.tag-gray{background:#f0f3f7;color:#637084}.tag-green{background:var(--greenbg);color:var(--green)}.tag-gold{background:#fff6d9;color:#8a6700}.tag-red{background:var(--redbg);color:var(--red)}.assignment{display:flex;align-items:center;gap:14px}.assignment-icon{width:46px;height:46px;border-radius:12px;background:#edf2f8;display:grid;place-items:center;font-size:21px;flex:none}.assignment-body{flex:1;min-width:0}.assignment-title{font-weight:800;font-size:14px}.assignment-sub{font-size:12px;color:var(--muted);margin-top:3px}.assignment-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:7px}.auth-shell{display:grid;grid-template-columns:.95fr 1.05fr;min-height:calc(100vh - 66px)}.auth-brand{background:linear-gradient(145deg,var(--navy),#102e53);color:white;padding:54px;display:flex;flex-direction:column;justify-content:center}.auth-brand .eyebrow{font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--gold2);font-weight:800}.auth-brand h1{font-size:34px;line-height:1.2;margin:12px 0}.auth-brand h1 span{color:var(--gold2)}.auth-brand p{font-size:14px;line-height:1.7;color:#ffffffb0;max-width:480px}.feature{display:flex;align-items:flex-start;gap:9px;margin:10px 0;color:#ffffffd1;font-size:13px}.feature b{color:var(--gold2)}.auth-form{background:white;display:flex;align-items:center;padding:50px}.auth-panel{width:100%;max-width:460px;margin:auto}.auth-panel h2{margin:0 0 5px;font-size:24px}.muted{color:var(--muted)}.role-toggle{display:grid;grid-template-columns:1fr 1fr;background:#f3f5f8;border:1px solid var(--line);padding:3px;border-radius:10px;margin:18px 0}.role-toggle button{border:0;background:transparent;border-radius:8px;padding:8px;font-weight:700;color:var(--muted)}.role-toggle button.active{background:var(--navy);color:var(--gold2)}.scenario-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.scenario-card,.buyer-card{background:white;border:2px solid var(--line);border-radius:12px;padding:14px;cursor:pointer;transition:.15s}.scenario-card:hover,.buyer-card:hover,.scenario-card.selected,.buyer-card.selected{border-color:var(--gold);background:#fffaf0}.scenario-card .icon{font-size:24px}.scenario-card strong{display:block;font-size:12px;margin-top:5px}.scenario-card span{display:block;font-size:10px;color:var(--muted);margin-top:2px}.buyer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.buyer-card{text-align:center}.buyer-card img{width:68px;height:68px;object-fit:cover;border-radius:50%;border:2px solid #dbe3ed}.buyer-card strong{display:block;font-size:12px;margin-top:7px}.buyer-card span{font-size:10px;color:var(--muted)}.arena{display:grid;grid-template-columns:220px minmax(0,1fr) 200px;height:calc(100vh - 66px);background:var(--bg)}.arena-left{background:var(--navy);padding:16px;color:white;overflow:auto}.buyer-large{width:100%;height:220px;object-fit:cover;border-radius:13px;border:3px solid var(--gold);background:#edf2f8}.buyer-name{text-align:center;font-weight:800;margin-top:10px}.buyer-role{text-align:center;font-size:10px;color:#ffffff8a}.arena-center{display:flex;flex-direction:column;min-width:0}.arena-head{height:58px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 14px}.chat{flex:1;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.msg{display:flex;gap:8px}.msg.student{justify-content:flex-end}.bubble{max-width:75%;font-size:13px;line-height:1.55;padding:10px 13px;border-radius:12px;background:white;border:1px solid var(--line)}.student .bubble{background:var(--navy);color:white;border-color:var(--navy)}.coach .bubble{background:#fff8df;border-color:#f0d060;color:#4b3c10;max-width:92%}.input-panel{background:white;border-top:1px solid var(--line);padding:10px 14px}.input-row{display:flex;gap:7px}.input-row textarea{flex:1;resize:none;border:1.5px solid var(--line);border-radius:10px;padding:10px;min-height:42px}.mic{width:42px;border:1.5px solid var(--line);border-radius:10px;background:white;color:var(--text)}.mic.recording{background:var(--redbg);border-color:var(--red);color:var(--red)}.voice-status{min-height:17px;font-size:10px;color:var(--muted);margin-bottom:4px}.arena-right{background:white;border-left:1px solid var(--line);padding:13px;overflow:auto}.score-big{background:#edf2f8;border-radius:12px;text-align:center;padding:14px;margin-bottom:12px}.score-big strong{font:800 32px 'DM Mono',monospace}.score-big span{display:block;font-size:9px;color:var(--muted);text-transform:uppercase}.skill-row{margin:8px 0}.skill-top{display:flex;justify-content:space-between;font-size:10px}.skill-bar{height:5px;background:#e3e8ef;border-radius:3px;overflow:hidden;margin-top:3px}.skill-fill{height:100%;background:var(--navy);width:0}.camera-box{background:var(--navy2);border-radius:10px;overflow:hidden;aspect-ratio:4/3;display:grid;place-items:center;color:#ffffff75;font-size:11px;position:relative}.camera-box video{width:100%;height:100%;object-fit:cover;display:none}.recording-badge{position:absolute;top:6px;right:6px;background:#000a;color:white;border-radius:5px;padding:3px 6px;font-size:9px;font-weight:800}.teacher-table{width:100%;border-collapse:collapse;font-size:12px}.teacher-table th,.teacher-table td{padding:9px 8px;border-bottom:1px solid var(--line);text-align:left}.teacher-table th{font-size:9px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.review-card{display:grid;grid-template-columns:115px 1fr 215px;gap:16px}.evidence{font-size:11px;background:#f5f7fa;border-radius:8px;padding:8px;margin:6px 0}.showdown-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.round{border:1px solid var(--line);border-radius:10px;padding:11px;background:white}.round.current{border-color:var(--gold);background:#fffaf0}.round.locked{opacity:.6}.round .num{font-size:9px;text-transform:uppercase;color:var(--gold);font-weight:800}.round strong{display:block;font-size:12px;margin:5px 0}.empty{text-align:center;color:var(--muted);padding:28px}.footer-actions{display:flex;gap:8px;flex-wrap:wrap}.spinner{display:inline-block;width:13px;height:13px;border:2px solid #ffffff55;border-top-color:white;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:900px){.scenario-grid{grid-template-columns:repeat(2,1fr)}.buyer-grid{grid-template-columns:repeat(2,1fr)}.arena{grid-template-columns:170px 1fr}.arena-right{display:none}.showdown-grid{grid-template-columns:repeat(2,1fr)}.review-card{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){.nav{padding:0 10px;height:62px}.brand small,.nav-user span{display:none}.nav-tabs{position:fixed;bottom:0;left:0;right:0;height:62px;background:var(--navy);border-top:2px solid var(--gold);z-index:60;justify-content:space-around;padding:4px}.nav-tab{flex:1;text-align:center;font-size:10px;padding:7px 4px}.wrap,.wrap-sm{padding:20px 14px 78px}.auth-shell{display:block}.auth-brand{padding:30px 22px}.auth-brand h1{font-size:28px}.auth-form{padding:30px 22px 90px}.arena{height:calc(100vh - 124px);grid-template-columns:1fr;grid-template-rows:112px 1fr}.arena-left{display:grid;grid-template-columns:80px 1fr;gap:10px;padding:8px 10px}.buyer-large{width:80px;height:92px}.buyer-name,.buyer-role{text-align:left}.arena-left .mobile-hide{display:none}.arena-center{min-height:0}.bubble{max-width:90%}.scenario-grid{grid-template-columns:repeat(2,1fr)}.grid-2,.grid-3,.grid-4,.form-row{grid-template-columns:1fr}.showdown-grid{grid-template-columns:1fr}.assignment{align-items:flex-start;flex-wrap:wrap}.assignment .btn{width:100%}.teacher-table{min-width:700px}.table-scroll{overflow:auto}.stats{grid-template-columns:repeat(2,1fr)}}