/* Student Hub (5.0.0) */
.hub{--hb:var(--c-primary,#5B4BFF);--hb-soft:color-mix(in srgb,var(--c-primary,#5B4BFF) 8%,#fff);--edge:var(--edge-l,rgba(0,0,0,.12))}
.hub-hero{display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:clamp(18px,3vw,30px);border-radius:22px;background:linear-gradient(135deg,var(--hb-soft),#fff);border:1px solid var(--edge);border-left:6px solid var(--hb);margin-bottom:26px}
.hub-hero h2{margin:.2em 0 .3em;font-family:var(--f-head);color:var(--c-dark)}
.hub-hero p{margin:0;color:var(--mute,#555);max-width:62ch}
.hub-hero .hub-kick{color:var(--hb);margin:0;font-size:.8rem}
.hub-h{margin:34px 0 14px;font:700 1.3rem/1.2 var(--f-head);color:var(--c-dark)}
.hub-h small{display:block;font:400 .82rem/1.4 var(--f-body);color:var(--mute,#666);margin-top:4px}
.hub-doors{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.hub-door{position:relative;display:flex;flex-direction:column;gap:4px;padding:18px 44px 18px 18px;border-radius:18px;background:#fff;border:1px solid var(--edge);color:var(--c-dark);text-decoration:none;transition:transform .25s,box-shadow .25s,border-color .25s}
.hub-door:hover,.hub-door:focus-visible{transform:translateY(-4px);border-color:var(--hb);box-shadow:0 24px 50px -24px rgba(20,20,80,.35)}
.hub-door strong{font:700 1.08rem/1.25 var(--f-head)}
.hub-door .hub-bn{color:var(--hb);font-weight:600;font-size:.9rem}
.hub-door em{font-style:normal;color:var(--mute,#555);font-size:.9rem}
.hub-door b{position:absolute;right:16px;top:16px;font-size:1.3rem;color:var(--hb)}
.hub-door--blood{border-left:5px solid #d71920}.hub-door--blood .hub-bn,.hub-door--blood b{color:#d71920}
.hub-door--bdl{border-left:5px solid #006a4e}.hub-door--bdl .hub-bn,.hub-door--bdl b{color:#006a4e}
.hub-tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:16px;align-items:start}
.hub-card{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--edge)}
.hub-card h4{margin:0 0 8px;font:700 1.05rem/1.2 var(--f-head);color:var(--c-dark)}
.hub-card h4 small{display:block;font:400 .78rem/1.4 var(--f-body);color:var(--mute,#666);margin-top:3px}
.hub-note{font-size:.85rem;color:var(--mute,#666);margin:6px 0 10px}
.hub-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:10px}
.hub input[type=text],.hub input[type=number],.hub input[type=date],.hub textarea{font:inherit;padding:10px 12px;border:1.5px solid var(--edge);border-radius:12px;background:#fff;color:var(--c-dark);min-width:0}
.hub input:focus,.hub textarea:focus{outline:3px solid color-mix(in srgb,var(--hb) 35%,transparent);outline-offset:1px}
.hub textarea{width:100%;resize:vertical}
.gpa-row{display:grid;grid-template-columns:minmax(0,1fr) 72px 86px 48px 24px;gap:6px;align-items:center;margin-bottom:6px}
.gpa-row input[type=text]{width:100%}
.gpa-row input[type=number]{width:100%;padding:10px 8px}
.gpa-row .gp{font-weight:700;text-align:center;color:var(--hb);white-space:nowrap;font-size:.85rem}
.gpa-row label{font-size:.78rem;display:flex;gap:3px;align-items:center;color:var(--mute,#555)}
.gpa-row button{border:0;background:none;font-size:1.2rem;cursor:pointer;color:var(--mute,#777)}
.gpa-out{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap;margin:14px 0 0;padding:12px 14px;border-radius:14px;background:var(--hb-soft)}
.gpa-out span{font-size:.85rem;color:var(--mute,#555)}
.gpa-out b{font:700 2rem/1 var(--f-head);color:var(--hb)}
.gpa-out em{font-style:normal;font-weight:600}
.gpa-out.is-fail b{color:#d71920}
.pomo-face{font:700 3.2rem/1 var(--f-head);text-align:center;padding:14px 0;color:var(--c-dark);font-variant-numeric:tabular-nums}
.pomo-mode{text-align:center;margin:0;font-weight:600;color:var(--hb)}
.pomo-len{display:flex;gap:14px;flex-wrap:wrap;margin-top:12px;font-size:.85rem;color:var(--mute,#555)}
.pomo-len input{width:64px;padding:8px}
.cd-form{display:flex;gap:6px;flex-wrap:wrap}
.cd-form input[type=text]{flex:1 1 150px}
.cd-list{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:8px}
.cd-list li{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;background:var(--hb-soft)}
.cd-list b{font:700 1.3rem/1 var(--f-head);color:var(--hb)}
.cd-list small{display:block;color:var(--mute,#555)}
.cd-list button{border:0;background:none;cursor:pointer;font-size:1.1rem;color:var(--mute,#777)}
.hub-links{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.hub-links a{display:flex;flex-direction:column;gap:3px;padding:14px 16px;border-radius:16px;background:#fff;border:1px solid var(--edge);text-decoration:none;color:var(--c-dark);transition:.2s}
.hub-links a:hover,.hub-links a:focus-visible{border-color:var(--hb);transform:translateY(-3px)}
.hub-links span{font-size:.88rem;color:var(--mute,#555)}
.hub-links em{font-style:normal;font-size:.76rem;color:var(--hb);word-break:break-all}
.hub-help{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.hub-help li{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 16px;border-radius:14px;background:#fff;border:1px solid var(--edge)}
.hub-help em{display:block;font-style:normal;font-size:.85rem;color:var(--mute,#555)}
.hub-safe{margin-top:30px;padding:16px 18px;border-radius:16px;background:#fff8e1;border:1px solid #f0d27a;color:#4a3b00}
.hub-safe a{color:inherit;font-weight:600}
@media (max-width:560px){.gpa-row{grid-template-columns:minmax(0,1fr) 62px 76px 44px 20px}.pomo-face{font-size:2.6rem}}
@media (prefers-reduced-motion:reduce){.hub-door,.hub-links a{transition:none}}

.hub-sec{margin:44px 0 18px}.hub-sec .hub-sub{margin:.5em 0 0;color:var(--mute,#666);font-size:.9rem}
.hub-hero{border-left-width:1px;position:relative;overflow:hidden}.hub-hero::before{content:'';position:absolute;left:0;top:0;bottom:0;width:5px;background:linear-gradient(var(--c-primary),var(--c-accent))}