@import"https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700;800&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@500;700&display=swap";:root{--bg: #eef0f8;--surface: #ffffff;--surface-2: #f4f5fb;--ink: #0f1b3d;--muted: #5a6585;--line: #dde1ef;--navy: #0f1b3d;--navy-light: #1a2c5b;--violet: #7c3aed;--violet-dark:#6d28d9;--violet-soft:#f0ebff;--accent-0: #7c3aed;--accent-1: #0d9488;--accent-2: #d97706;--accent-3: #e11d48;--accent-4: #2563eb;--accent-5: #16a34a;--accent-6: #9333ea;--accent-7: #0891b2;--secure: #16a34a;--develop: #d97706;--needs: #e11d48;--mark: #e11d48;--mark-soft: #fef2f4;--radius: 16px;--radius-sm: 10px;--shadow: 0 1px 3px rgba(15,27,61,.06), 0 8px 24px rgba(15,27,61,.08);--shadow-lg: 0 4px 6px rgba(15,27,61,.08), 0 20px 48px rgba(15,27,61,.16);--sat: env(safe-area-inset-top, 0px);--sar: env(safe-area-inset-right, 0px);--sab: env(safe-area-inset-bottom, 0px);--sal: env(safe-area-inset-left, 0px)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{height:100%}body{min-height:100%;min-height:calc(100% + var(--sat));background:var(--bg);color:var(--ink);font-family:Inter,system-ui,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}#root{min-height:100vh}h1,h2,h3,h4{font-family:Space Grotesk,system-ui,sans-serif;letter-spacing:-.02em;line-height:1.1}button{font-family:inherit;cursor:pointer;transition:all .15s;border:none}input,select,textarea{font-family:inherit;font-size:15px}a{color:var(--violet)}.mono{font-family:JetBrains Mono,monospace;font-size:.9em}html{background:var(--navy)}body{background:var(--bg);border-radius:0}.app{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding-top:calc(14px + var(--sat));padding-bottom:14px;padding-left:calc(20px + var(--sal));padding-right:calc(20px + var(--sar));background:linear-gradient(135deg,var(--navy) 0%,#1a2050 100%);position:sticky;top:0;z-index:20;box-shadow:0 2px 16px #0f1b3d4d;margin-top:calc(-1 * var(--sat))}.brand{display:flex;align-items:center;gap:10px}.brand .glyph{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--violet) 0%,#a855f7 100%);color:#fff;display:grid;place-items:center;font-weight:800;font-family:Space Grotesk,sans-serif;font-size:17px;box-shadow:0 2px 10px #7c3aed80;flex-shrink:0}.brand b{font-family:Space Grotesk,sans-serif;font-weight:700;font-size:17px;color:#fff;letter-spacing:-.02em}.brand .role{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:#ffffffb3;background:#ffffff1f;padding:3px 9px;border-radius:999px;font-weight:600;border:1px solid rgba(255,255,255,.15)}.topnav{display:flex;align-items:center;gap:4px}.topnav-btn{background:none;border:none;color:#ffffffa6;font-weight:600;font-size:14px;padding:7px 12px;border-radius:8px}.topnav-btn:hover,.topnav-btn:active{background:#ffffff1a;color:#fff}.topnav-btn.active{background:#ffffff26;color:#fff}.topnav-divider{width:1px;height:20px;background:#ffffff26;margin:0 4px}.container{width:100%;max-width:940px;margin:0 auto;padding:28px 22px;padding-bottom:calc(72px + var(--sab))}.btn{display:inline-flex;align-items:center;gap:7px;border:1.5px solid var(--violet);background:var(--violet);color:#fff;padding:9px 18px;border-radius:var(--radius-sm);font-weight:600;font-size:14px;line-height:1;box-shadow:0 1px 4px #7c3aed40;min-height:44px}.btn:hover:not(:disabled){background:var(--violet-dark);border-color:var(--violet-dark);box-shadow:0 4px 14px #7c3aed61;transform:translateY(-1px)}.btn:active:not(:disabled){transform:translateY(0);box-shadow:none}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important}.btn.ghost{background:transparent;color:var(--violet);box-shadow:none}.btn.ghost:hover:not(:disabled){background:var(--violet-soft);transform:none;box-shadow:none}.btn.sm{padding:6px 13px;font-size:13px;border-radius:8px;min-height:36px}.btn.danger{border-color:var(--mark);background:transparent;color:var(--mark);box-shadow:none}.btn.danger:hover:not(:disabled){background:var(--mark-soft);transform:none;box-shadow:none}.btn.nav-signout{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#ffffffd9;font-size:13px;padding:6px 12px;min-height:36px;border-radius:8px;box-shadow:none}.btn.nav-signout:hover{background:#fff3;color:#fff;transform:none}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.card.pad{padding:22px}.grid{display:grid;gap:16px}.grid.subjects{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.subject-card{padding:0;cursor:pointer;overflow:hidden;transition:transform .18s cubic-bezier(.4,0,.2,1),box-shadow .18s;position:relative}.subject-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.subject-card:active{transform:scale(.98)}.subject-card-stripe{height:6px;width:100%}.subject-card-body{padding:18px 18px 16px;position:relative}.subject-card-initial{font-family:Space Grotesk,sans-serif;font-weight:800;font-size:72px;line-height:1;opacity:.08;position:absolute;right:10px;top:4px;pointer-events:none;-webkit-user-select:none;user-select:none}.subject-card h3{font-size:17px;margin-bottom:8px;position:relative;z-index:1}.subject-meta{color:var(--muted);font-size:12px;display:flex;flex-wrap:wrap;gap:5px;align-items:center;position:relative;z-index:1}.chip{font-size:11px;padding:2px 8px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);color:var(--muted);font-weight:500}.subject-mini-bar{margin-top:12px;position:relative;z-index:1}.subject-mini-bar .bar-track{height:5px;border-radius:999px;background:var(--line);overflow:hidden}.subject-mini-bar .bar-fill{height:100%;border-radius:999px;transition:width .5s ease}.subject-mini-bar-label{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-top:4px;font-weight:500}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field label{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.field input,.field select,.field textarea{padding:11px 13px;border:1.5px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);outline:none;transition:border-color .15s,box-shadow .15s;font-size:16px}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--violet);box-shadow:0 0 0 3px var(--violet-soft)}.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.topic{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 18px;border-bottom:1px solid var(--line);transition:background .1s}.topic:hover{background:var(--surface-2)}.topic:last-child{border-bottom:none}.topic .name{font-weight:500;font-size:14px}.dot{width:9px;height:9px;border-radius:50%;display:inline-block;margin-right:8px;flex-shrink:0}.dot.unknown{background:var(--line)}.dot.needs_work{background:var(--needs)}.dot.developing{background:var(--develop)}.dot.secure{background:var(--secure)}.conf-badge{font-size:11px;padding:2px 9px;border-radius:999px;font-weight:600}.conf-badge.unknown{background:var(--surface-2);color:var(--muted);border:1px solid var(--line)}.conf-badge.needs_work{background:#fef2f4;color:var(--needs);border:1px solid #fecdd3}.conf-badge.developing{background:#fffbeb;color:var(--develop);border:1px solid #fed7aa}.conf-badge.secure{background:#f0fdf4;color:var(--secure);border:1px solid #bbf7d0}.bar{height:10px;border-radius:999px;background:var(--line);overflow:hidden}.bar>span{display:block;height:100%;border-radius:999px;transition:width .5s ease}.chat{display:flex;flex-direction:column;gap:14px;margin:18px 0;min-height:80px}.bubble{padding:13px 16px;border-radius:16px;max-width:86%;white-space:pre-wrap;font-size:14px;line-height:1.7;animation:fadeUp .2s ease}@keyframes fadeUp{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.bubble.user{align-self:flex-end;background:linear-gradient(135deg,var(--violet),#a855f7);color:#fff;border-bottom-right-radius:4px;box-shadow:0 2px 10px #7c3aed38}.bubble.assistant{align-self:flex-start;background:var(--surface-2);border:1px solid var(--line);border-bottom-left-radius:4px}.bubble.thinking{color:var(--muted);font-style:italic}.composer{display:flex;gap:10px;margin-top:6px}.composer textarea{flex:1;resize:none;min-height:48px;max-height:140px;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface);outline:none;font-size:15px;line-height:1.5;transition:border-color .15s}.composer textarea:focus{border-color:var(--violet);box-shadow:0 0 0 3px var(--violet-soft)}.qbox{border-left:4px solid var(--violet);padding:14px 18px;background:var(--violet-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:15px;line-height:1.65}.marks{font-family:JetBrains Mono,monospace;font-weight:700;font-size:13px;color:#fff;background:var(--violet);padding:3px 10px;border-radius:6px;display:inline-block}.feedback{border-left:4px solid var(--mark);padding:14px 18px;background:var(--mark-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;white-space:pre-wrap;font-size:14px}.model-ans{border-left:4px solid var(--secure);padding:14px 18px;background:#f0fdf4;border-radius:0 var(--radius-sm) var(--radius-sm) 0;white-space:pre-wrap;margin-top:12px;font-size:14px}.score-banner{display:flex;align-items:center;gap:16px;padding:16px 20px;border-radius:var(--radius-sm);margin:14px 0}.score-banner.great{background:#f0fdf4;border:1.5px solid #bbf7d0}.score-banner.ok{background:#fffbeb;border:1.5px solid #fed7aa}.score-banner.low{background:#fef2f4;border:1.5px solid #fecdd3}.score-num{font-family:Space Grotesk,sans-serif;font-weight:800;font-size:32px;line-height:1}.score-banner.great .score-num{color:var(--secure)}.score-banner.ok .score-num{color:var(--develop)}.score-banner.low .score-num{color:var(--mark)}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 16px;text-align:center;box-shadow:var(--shadow)}.stat-card .stat-num{font-family:Space Grotesk,sans-serif;font-weight:800;font-size:36px;line-height:1;margin-bottom:4px}.stat-card .stat-label{font-size:12px;color:var(--muted);font-weight:500}.stat-card.c-secure{border-top:4px solid var(--secure)}.stat-card.c-developing{border-top:4px solid var(--develop)}.stat-card.c-needs{border-top:4px solid var(--needs)}.stat-card.c-unknown{border-top:4px solid var(--line)}.hero-banner{display:flex;align-items:center;justify-content:space-around;gap:20px;background:linear-gradient(135deg,#0f1b3d,#1e1654 55%,#0d4a6e);border-radius:var(--radius);padding:28px 32px;margin-bottom:24px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}.hero-banner:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(ellipse at 15% 50%,rgba(124,58,237,.18) 0%,transparent 55%),radial-gradient(ellipse at 85% 50%,rgba(13,148,136,.14) 0%,transparent 55%)}.hero-stat{text-align:center;position:relative;z-index:1}.hero-stat-num{font-family:Space Grotesk,sans-serif;font-weight:800;font-size:40px;line-height:1;color:#fff;margin-bottom:4px}.hero-stat-label{font-size:12px;color:#fff9;font-weight:500}.hero-center{position:relative;z-index:1}.center{display:grid;place-items:center;min-height:100vh;padding:22px;padding-bottom:calc(22px + var(--sab));background:var(--bg)}.auth-wrap{width:100%;max-width:400px}.auth-card{padding:32px}.auth-logo{display:flex;align-items:center;gap:12px;justify-content:center;margin-bottom:28px}.auth-logo .glyph{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--violet),#a855f7);color:#fff;display:grid;place-items:center;font-weight:800;font-size:24px;font-family:Space Grotesk,sans-serif;box-shadow:0 4px 16px #7c3aed66}.auth-logo b{font-family:Space Grotesk,sans-serif;font-weight:800;font-size:22px}.section-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px;gap:12px;flex-wrap:wrap}.section-head h1{font-size:30px}.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--violet);font-weight:700;margin-bottom:6px;display:block}.muted{color:var(--muted)}.back{background:none;border:none;color:var(--violet);font-weight:600;padding:0 0 16px;font-size:14px;display:flex;align-items:center;gap:5px;min-height:44px}.back:hover{color:var(--violet-dark)}.spinner{font-size:13px;color:var(--muted);padding:12px 0;display:flex;align-items:center;gap:8px}.err{color:var(--mark);font-size:13px;margin-top:8px}.empty{text-align:center;padding:48px 24px;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:12px}.empty-icon{font-size:36px;opacity:.5}.tab-bar{display:flex;gap:3px;margin-bottom:20px;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:4px}.tab-btn{flex:1;padding:8px 6px;border-radius:9px;border:none;font-weight:600;font-size:13px;background:transparent;color:var(--muted);display:flex;align-items:center;justify-content:center;gap:5px;min-height:40px}.tab-btn.active{background:var(--surface);color:var(--ink);box-shadow:0 1px 4px #0f1b3d1a}.tab-btn:hover:not(.active){color:var(--ink)}.conf-picker{display:flex;gap:8px;flex-wrap:wrap}.conf-btn{padding:7px 14px;border-radius:8px;font-size:13px;font-weight:600;border:1.5px solid var(--line);background:var(--surface);color:var(--muted);display:flex;align-items:center;gap:6px;min-height:40px}.conf-btn.active-needs{border-color:var(--needs);background:#fef2f4;color:var(--needs)}.conf-btn.active-dev{border-color:var(--develop);background:#fffbeb;color:var(--develop)}.conf-btn.active-secure{border-color:var(--secure);background:#f0fdf4;color:var(--secure);animation:unlockPop .4s ease}.conf-btn:hover:not(:disabled):not(.active-needs):not(.active-dev):not(.active-secure){border-color:var(--violet);color:var(--violet)}@keyframes unlockPop{0%{transform:scale(1)}40%{transform:scale(1.15)}70%{transform:scale(.97)}to{transform:scale(1)}}.link-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}.link-row:last-child{border-bottom:none}.link-row a{font-weight:500;font-size:14px;color:var(--violet);text-decoration:none}.link-row a:hover{text-decoration:underline}.link-label{font-size:12px;color:var(--muted)}.timetable-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.day-col{display:flex;flex-direction:column;gap:5px}.day-col .day-name{font-size:10px;text-transform:uppercase;letter-spacing:.08em;font-weight:700;color:var(--muted);text-align:center;padding-bottom:4px}.session-slot{padding:8px 6px;border-radius:8px;font-size:11px;font-weight:600;text-align:center;cursor:default;border:1.5px solid transparent;line-height:1.3}.session-slot.done{opacity:.4;text-decoration:line-through}.interactive-module{display:flex;flex-direction:column;gap:0}.im-header{border:1.5px solid;border-radius:var(--radius) var(--radius) 0 0;padding:18px 20px}.im-eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.12em;font-weight:700;display:block;margin-bottom:4px}.im-title{font-family:Space Grotesk,sans-serif;font-size:22px;font-weight:800;margin:0 0 6px}.im-desc{margin:0;font-size:13px;color:var(--muted);line-height:1.6}.im-explanation{border-left:4px solid var(--violet);padding:16px 18px;background:var(--surface-2);border-radius:0 10px 10px 0;margin-top:16px}.im-step-label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.im-tip{background:#fffbeb;border:1px solid #fed7aa;border-radius:10px;padding:10px 14px;font-size:13px;color:#92400e;margin-top:12px;line-height:1.6}.im-controls{display:flex;align-items:center;gap:14px;margin-top:18px;padding:14px 0;border-top:1px solid var(--line)}.fde-phases{display:flex;gap:0;margin:16px 0;border-radius:10px;overflow:hidden;border:1px solid var(--line)}.fde-phase{flex:1;padding:8px;text-align:center;font-weight:700;font-size:13px;color:var(--muted);background:var(--surface-2);transition:all .2s}.fde-phase.active{background:var(--ph-col, var(--violet));color:#fff}.fde-phase.done{background:var(--ph-col, var(--violet));opacity:.35;color:#fff}.fde-diagram{display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:center;margin:16px 0}.fde-box{border:1.5px solid var(--line);border-radius:12px;padding:14px;background:var(--surface)}.fde-box-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:10px}.ram-box{font-family:JetBrains Mono,monospace}.ram-row{display:flex;gap:10px;padding:5px 8px;border-radius:6px;margin-bottom:4px;font-size:12px;border:1px solid var(--line);background:var(--surface-2)}.ram-row.ram-active{background:#7c3aed18;border-color:#7c3aed}.ram-addr{color:var(--muted);width:38px}.ram-val{font-weight:700;color:var(--ink)}.fde-bus-area{display:flex;flex-direction:column;align-items:center;gap:4px}.fde-bus{font-size:10px;font-weight:700;padding:4px 8px;border-radius:6px;border:1px solid var(--line);color:var(--muted);background:var(--surface-2);white-space:nowrap;transition:all .2s}.fde-bus.bus-active{color:#fff;border-color:transparent}.address-bus.bus-active{background:#7c3aed}.data-bus.bus-active{background:#0d9488}.bus-line{width:2px;height:24px;background:var(--line)}.registers-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:10px}.register-slot{padding:10px;border:1.5px solid var(--line);border-radius:10px;background:var(--surface-2);transition:all .25s}.reg-name{font-family:Space Grotesk,sans-serif;font-weight:800;font-size:16px}.reg-value{font-family:JetBrains Mono,monospace;font-size:13px;font-weight:700;margin:2px 0}.reg-label{font-size:10px;color:var(--muted)}.cu-box{border:1.5px solid var(--line);border-radius:8px;padding:8px 12px;background:var(--surface-2);display:flex;justify-content:space-between;align-items:center}.cu-label{font-size:11px;font-weight:700;color:var(--muted)}.cu-status{font-size:12px;color:var(--muted)}.cu-status.cu-active{color:#7c3aed;font-weight:600}[data-theme=dark]{--bg: #0d1117;--surface: #161b22;--surface-2: #1c2128;--ink: #e6edf3;--muted: #8b949e;--line: #30363d;--violet-soft: #1a0f2e;--mark-soft: #2d1017;--shadow: 0 1px 3px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.45);--shadow-lg: 0 4px 6px rgba(0,0,0,.4), 0 20px 48px rgba(0,0,0,.5)}[data-theme=dark] html{background:#000}[data-theme=dark] .field input,[data-theme=dark] .field select,[data-theme=dark] .field textarea,[data-theme=dark] .composer textarea{background:var(--surface-2);color:var(--ink);border-color:var(--line)}[data-theme=dark] .bubble.assistant{background:var(--surface-2);border-color:var(--line);color:var(--ink)}[data-theme=dark] .qbox{background:#1a0f2e}[data-theme=dark] .score-banner.great{background:#0d2818;border-color:#1a4a2e}[data-theme=dark] .score-banner.ok{background:#2a1f00;border-color:#4a3800}[data-theme=dark] .score-banner.low{background:#2d1017;border-color:#5a1e2e}[data-theme=dark] .model-ans{background:#0d2818}[data-theme=dark] .feedback{background:#2d1017}[data-theme=dark] .tab-btn.active{background:var(--surface-2);color:var(--ink)}[data-theme=dark] .im-tip{background:#2a1f00;border-color:#4a3800;color:#fbbf24}[data-theme=dark] .topbar{background:linear-gradient(135deg,#010409,#0d1117)}@media (max-width: 640px){.row2{grid-template-columns:1fr}.container{padding:18px 14px;padding-bottom:calc(56px + var(--sab))}.stat-grid{grid-template-columns:repeat(2,1fr)}.timetable-grid{grid-template-columns:repeat(4,1fr)}.section-head h1{font-size:24px}.hero-banner{flex-direction:column;padding:22px 16px;gap:16px}.hero-stat-num{font-size:32px}.fde-diagram{grid-template-columns:1fr}.fde-bus-area{flex-direction:row}.bus-line{width:24px;height:2px}.topic{padding:15px 14px}.btn{min-height:46px}}@media (max-height: 500px) and (orientation: landscape){.topbar{padding-top:10px;padding-bottom:10px}.container{padding-top:16px}}