:root{--espresso: #20140e;--espresso-2: #2b1b12;--espresso-3: #3a2619;--gold: #c9a961;--gold-deep: #a9853f;--gold-soft: #e4ce9a;--beige: #e8dcc8;--ivory: #fcf9f3;--ivory-2: #f5eee1;--ink: #241812;--ink-soft: #4a382a;--ink-muted: #7a6553;--line: rgba(58, 38, 25, .14);--line-gold: rgba(201, 169, 97, .38);--success: #3f7d52;--warning: #b07a25;--danger: #a8422f;--radius-xs: 8px;--radius-sm: 12px;--radius: 18px;--radius-lg: 26px;--shadow-sm: 0 2px 10px rgba(60, 36, 20, .06);--shadow: 0 10px 30px rgba(60, 36, 20, .09);--shadow-lg: 0 26px 70px rgba(38, 22, 12, .18);--font-display: "EB Garamond", "Times New Roman", serif;--font-ui: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;--ease: cubic-bezier(.22, .61, .36, 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saturate(140%);border-bottom:1px solid var(--line)}.topbar-title{font-family:var(--font-display);font-size:17px;color:var(--ink)}.topbar-right{display:flex;align-items:center;gap:10px}.identity{display:flex;align-items:center;gap:9px;padding:5px 12px 5px 5px;border-radius:999px;background:#ffffffb3;border:1px solid var(--line)}.avatar{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(150deg,var(--espresso-3),var(--espresso));color:var(--gold-soft);font-size:12px;font-weight:600;letter-spacing:.02em}.identity-name{font-size:12.5px;font-weight:600;line-height:1.15}.identity-meta{font-size:10.5px;color:var(--ink-muted)}.sec-head{margin-bottom:20px}.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.18em;color:var(--gold-deep);margin-bottom:8px}.sec-head h1{font-size:clamp(26px,3.4vw,36px);color:var(--ink)}.sec-head 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.card-sub{color:#e8dcc89e}.grid{display:grid;gap:16px}.g2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.g3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.g4{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}.split{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:16px;align-items:start}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:999px;border:1px solid transparent;font-size:13.5px;font-weight:600;text-decoration:none;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),border-color .18s;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:not(:disabled):hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,var(--gold-soft),var(--gold) 55%,var(--gold-deep));color:#23160d;box-shadow:0 8px 24px #a9853f52}.btn-primary:not(:disabled):hover{box-shadow:0 14px 34px #a9853f6b}.btn-dark{background:var(--espresso);color:var(--ivory);box-shadow:var(--shadow-sm)}.btn-dark:not(:disabled):hover{background:var(--espresso-3)}.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-soft)}.btn-ghost:not(:disabled):hover{background:#3a26190d;border-color:var(--line-gold)}.btn-sm{padding:7px 14px;font-size:12px}.btn-block{width:100%}.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.09em;background:#3a26190f;color:var(--ink-soft);border:1px solid 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.metric-value{color:var(--gold-soft)}.bar{height:7px;border-radius:999px;background:#3a26191a;overflow:hidden}.bar>span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold-deep),var(--gold-soft));transition:width .6s var(--ease)}.ring{--p: 0;width:78px;height:78px;border-radius:50%;display:grid;place-items:center;position:relative;flex:none;background:conic-gradient(var(--gold) calc(var(--p) * 1%),rgba(58,38,25,.1) 0)}.ring:after{content:"";position:absolute;top:7px;right:7px;bottom:7px;left:7px;border-radius:50%;background:var(--ivory)}.ring span{position:relative;z-index:1;font-size:15px;font-weight:600;color:var(--ink);font-family:var(--font-display)}.card.dark .ring:after{background:var(--espresso-2)}.card.dark .ring span{color:var(--gold-soft)}.landing{min-height:100dvh;background:radial-gradient(ellipse at 15% -10%,rgba(201,169,97,.22),transparent 55%),radial-gradient(ellipse at 90% 10%,rgba(201,169,97,.1),transparent 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.vark-key{background:var(--espresso);color:var(--gold-soft)}.style-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:14px}.style-cell{text-align:center;padding:10px 6px;border-radius:11px;background:#3a26190a}.style-cell.win{background:linear-gradient(150deg,#c9a96147,#c9a96114);border:1px solid var(--line-gold)}.style-cell b{display:block;font-family:var(--font-display);font-size:19px;color:var(--ink)}.style-cell span{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-muted)}.rec{border:1px solid var(--line);border-radius:var(--radius);background:#ffffffb8;padding:18px;transition:box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s}.rec:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--line-gold)}.rec-top{display:flex;gap:14px;align-items:flex-start}.rec-rank{width:34px;height:34px;border-radius:10px;flex:none;display:grid;place-items:center;font-family:var(--font-display);font-size:16px;background:var(--espresso);color:var(--gold-soft)}.rec-body{flex:1;min-width:0}.rec-title{font-family:var(--font-display);font-size:18px;line-height:1.25}.rec-meta{font-size:11.5px;color:var(--ink-muted);margin-top:2px}.rec-score{text-align:right;flex:none}.rec-score b{display:block;font-family:var(--font-display);font-size:26px;line-height:1;color:var(--gold-deep)}.rec-score span{font-size:9.5px;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-muted)}.reason{margin-top:14px;padding:13px 15px;border-radius:13px;background:linear-gradient(120deg,#c9a9611f,#c9a96108);border-left:3px solid var(--gold);font-size:13px;color:var(--ink-soft);line-height:1.62}.reason-label{font-size:9.5px;text-transform:uppercase;letter-spacing:.16em;color:var(--gold-deep);font-weight:700;display:block;margin-bottom:5px}.factors{margin-top:12px;display:flex;flex-direction:column;gap:6px}.factor{display:grid;grid-template-columns:1fr 46px;gap:10px;align-items:center;font-size:12px;color:var(--ink-soft)}.factor-bar{height:5px;border-radius:99px;background:#3a261914;overflow:hidden}.factor-bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--gold-deep),var(--gold-soft))}.factor-pts{text-align:right;font-variant-numeric:tabular-nums;font-weight:600;font-size:11.5px;color:var(--ink-muted)}.factor-name{display:block;margin-bottom:3px}.chat-wrap{display:flex;flex-direction:column;height:min(640px,74vh)}.chat-log{flex:1;overflow-y:auto;padding:4px 2px 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var(--ease)}.quiz-opt:hover{border-color:var(--gold)}.quiz-opt.sel{background:var(--espresso);color:var(--ivory);border-color:var(--espresso)}.quiz-opt.right{background:#3f7d5224;border-color:#3f7d5266;color:var(--success)}.quiz-opt.wrong{background:#a8422f1a;border-color:#a8422f52;color:var(--danger)}.course-row{display:grid;grid-template-columns:46px minmax(0,1fr) auto;gap:14px;align-items:center;padding:14px 4px;border-bottom:1px solid var(--line);transition:background .2s}.course-row:last-child{border-bottom:none}.course-row:hover{background:#c9a9610d}.course-code{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:var(--espresso);color:var(--gold-soft);font-size:10.5px;font-weight:700;text-align:center;line-height:1.1;padding:4px}.course-title{font-family:var(--font-display);font-size:15.5px}.course-meta{font-size:11.5px;color:var(--ink-muted)}.lesson{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:#fff;margin-bottom:8px;transition:all .2s var(--ease)}.lesson:hover{border-color:var(--line-gold)}.lesson.done{background:#3f7d520d;border-color:#3f7d5233}.lesson-check{width:22px;height:22px;border-radius:7px;flex:none;display:grid;place-items:center;border:1px solid var(--line);background:#fff}.lesson.done .lesson-check{background:var(--success);border-color:var(--success);color:#fff}.lesson-title{flex:1;font-size:13px}.lesson.done .lesson-title{color:var(--ink-muted);text-decoration:line-through;text-decoration-color:#7a655366}.badge-tile{text-align:center;padding:15px 10px;border-radius:14px;border:1px solid var(--line);background:#fff9;transition:all .2s var(--ease)}.badge-tile.earned{background:linear-gradient(160deg,#c9a96133,#ffffff80);border-color:var(--line-gold)}.badge-tile.locked{opacity:.5;filter:grayscale(.7)}.badge-icon{width:40px;height:40px;margin:0 auto 8px;border-radius:12px;display:grid;place-items:center;background:#3a26190f;color:var(--ink-soft)}.badge-tile.earned .badge-icon{background:var(--espresso);color:var(--gold-soft)}.badge-name{font-size:12px;font-weight:600}.badge-blurb{font-size:10px;color:var(--ink-muted);margin-top:3px;line-height:1.4}.lb-row{display:flex;align-items:center;gap:11px;padding:9px 10px;border-radius:11px;font-size:13px}.lb-row.you{background:linear-gradient(100deg,#c9a96133,#c9a9610a);border:1px solid var(--line-gold)}.lb-rank{width:20px;font-family:var(--font-display);font-size:14px;color:var(--ink-muted);text-align:center}.lb-name{flex:1}.lb-pts{font-variant-numeric:tabular-nums;font-weight:600;font-size:12.5px}.arch-flow{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.arch-node{padding:9px 13px;border-radius:10px;font-size:12px;font-weight:500;background:#fff;border:1px solid var(--line);color:var(--ink-soft);box-shadow:var(--shadow-sm)}.arch-node.core{background:var(--espresso);color:var(--gold-soft);border-color:var(--espresso)}.arch-arrow{color:var(--gold-deep);font-size:13px}.layer{padding:14px 16px;border-radius:13px;border:1px solid var(--line);background:#fff9}.layer b{font-family:var(--font-display);font-size:15px;display:block}.layer .tech{font-size:11px;color:var(--gold-deep);font-weight:600;margin:3px 0 6px;letter-spacing:.02em}.layer p{font-size:12px;color:var(--ink-muted);line-height:1.55}.toast-wrap{position:fixed;bottom:20px;right:20px;z-index:200;display:flex;flex-direction:column;gap:8px;max-width:340px}.toast{display:flex;align-items:flex-start;gap:9px;padding:11px 15px;border-radius:12px;font-size:12.5px;line-height:1.45;background:var(--espresso);color:var(--ivory);box-shadow:var(--shadow-lg);animation:slideIn .3s var(--ease)}.toast.success{background:#234a30}.toast.error{background:#6d2a1d}.toast svg{flex:none;margin-top:1px}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#20140e80;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;padding:16px;animation:fade .2s var(--ease)}.drawer{background:var(--ivory);border-radius:var(--radius-lg);width:min(720px,100%);max-height:88vh;overflow-y:auto;padding:26px;box-shadow:var(--shadow-lg);animation:rise .3s var(--ease);border:1px solid var(--line-gold)}.drawer-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:16px}.icon-btn{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;border:1px solid var(--line);background:#ffffffb3;color:var(--ink-soft);transition:all .18s}.icon-btn:hover{background:#fff;border-color:var(--line-gold)}.skeleton{background:linear-gradient(90deg,#3a26190d 25%,#3a261917,#3a26190d 75%);background-size:200% 100%;animation:shimmer 1.4s infinite;border-radius:10px}.empty{text-align:center;padding:34px 18px;color:var(--ink-muted);font-size:13px}.empty-icon{width:46px;height:46px;border-radius:14px;margin:0 auto 12px;display:grid;place-items:center;background:#3a26190d;color:var(--ink-muted)}.err-box{padding:12px 14px;border-radius:11px;background:#a8422f14;border:1px solid rgba(168,66,47,.22);color:var(--danger);font-size:12.5px;display:flex;gap:8px;align-items:flex-start}.divider{height:1px;background:var(--line);border:none;margin:18px 0}.muted{color:var(--ink-muted)}.small{font-size:11.5px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11.5px}.mt{margin-top:12px}.mt-lg{margin-top:22px}.row{display:flex;align-items:center;gap:10px}.row-between{display:flex;align-items:center;justify-content:space-between;gap:10px}.wrap{flex-wrap:wrap}@keyframes fadeUp{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}@keyframes fade{0%{opacity:0}to{opacity:1}}@keyframes rise{0%{opacity:0;transform:translateY(18px) scale(.99)}to{opacity:1;transform:none}}@keyframes slideIn{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:none}}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes bounce{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-4px);opacity:1}}@keyframes pulseGold{0%,to{box-shadow:0 0 #c9a96166}50%{box-shadow:0 0 0 8px #c9a96100}}.fade-up{animation:fadeUp .5s var(--ease) both}.d1{animation-delay:.06s}.d2{animation-delay:.12s}.d3{animation-delay:.18s}.d4{animation-delay:.24s}.live-dot{width:6px;height:6px;border-radius:50%;background:var(--success);display:inline-block;animation:pulseGold 2.4s infinite}@media (max-width: 1080px){.split,.landing-body{grid-template-columns:1fr}.landing-body>:last-child{order:-1}}@media (max-width: 860px){.shell{grid-template-columns:1fr}.rail{position:fixed;inset:auto 0 0 0;top:auto;height:auto;flex-direction:row;align-items:center;gap:4px;padding:8px 10px calc(8px + env(safe-area-inset-bottom));border-radius:20px 20px 0 0;border-right:none;border-top:1px solid rgba(201,169,97,.25);overflow-x:auto;z-index:60}.rail .brand,.rail-foot{display:none}.rail-nav{flex-direction:row;gap:2px;width:100%;justify-content:space-between}.rail-link{flex-direction:column;gap:3px;padding:8px 10px;font-size:9.5px;letter-spacing:.02em;min-width:56px;justify-content:center}.rail-link:hover{transform:none}.main{padding-bottom:84px}.page{padding:20px 16px 40px}.topbar{padding:10px 16px}.identity-meta{display:none}.chat-wrap{height:min(560px,70vh)}.msg{max-width:94%}.style-grid{grid-template-columns:repeat(2,1fr)}.drawer{padding:20px;border-radius:20px}.toast-wrap{left:16px;right:16px;bottom:92px;max-width:none}.landing-nav{padding:16px 18px}.landing-foot{padding:14px 18px 90px}}@media (max-width: 520px){.rec-top{flex-wrap:wrap}.rec-score{text-align:left}.course-row{grid-template-columns:40px minmax(0,1fr)}.course-row>:last-child{grid-column:1 / -1}.metric-value{font-size:25px}}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.qr-inline{display:inline-flex;align-items:center;gap:12px;margin-top:26px;padding:10px 16px 10px 10px;border-radius:14px;border:1px solid rgba(201,169,97,.28);background:#ffffff0b}