.student-auth-shell{display:grid;place-items:center;min-height:100svh;max-width:100vw;overflow-x:hidden;padding:22px;width:100%;background:radial-gradient(circle at 16% 8%,rgba(103,92,255,.22),transparent 28rem),radial-gradient(circle at 88% 12%,rgba(16,185,255,.16),transparent 30rem),linear-gradient(180deg,#070914,#0b1020)}.student-auth-card{display:grid;grid-gap:26px;gap:26px;min-width:0;width:min(430px,100%);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:8px;background:var(--panel);padding:26px;box-shadow:0 22px 80px rgba(0,0,0,.24)}.student-auth-card h1{margin:8px 0 10px;color:var(--foreground);font-size:2.2rem;letter-spacing:0}.student-auth-brand-logo{border-radius:8px;display:block;height:96px;margin:8px 0 12px;max-width:100%;object-fit:contain;object-position:left center;width:min(320px,100%)}.student-auth-card p{margin:0;color:var(--muted)}.student-auth-kicker{color:var(--accent-strong);font-size:.76rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.student-auth-form{display:grid;grid-gap:14px;gap:14px;min-width:0}.student-auth-form label{display:grid;grid-gap:7px;gap:7px;min-width:0;color:var(--ink-soft);font-size:.9rem;font-weight:800}.student-auth-form button,.student-auth-form input,.student-auth-form select{max-width:100%;min-width:0}.student-auth-form input{display:block}.student-auth-form small{color:var(--muted);font-size:.78rem;font-weight:700;line-height:1.35}.student-auth-form button{margin-top:4px}.student-auth-form input:hover:not(:disabled),.student-auth-form select:hover:not(:disabled){border-color:var(--accent-line)}.student-auth-form input:focus,.student-auth-form select:focus{border-color:var(--accent-line);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.student-auth-form option,.student-auth-form select option{background:var(--panel-elevated)!important;background-color:var(--panel-elevated)!important;color:var(--ink-soft)!important}.student-auth-form option:checked,.student-auth-form select option:checked{background:var(--accent)!important;background-color:var(--accent)!important;box-shadow:inset 0 0 0 999px var(--accent);color:#ffffff!important}.student-auth-form option:focus,.student-auth-form option:hover,.student-auth-form select option:focus,.student-auth-form select option:hover{background:var(--accent-soft)!important;background-color:var(--panel-elevated)!important;box-shadow:inset 0 0 0 999px var(--accent-soft);color:var(--foreground)!important}.student-auth-loading{display:grid;min-height:84px;place-items:center;border-radius:8px;background:var(--accent-soft);color:var(--accent-strong);font-size:.94rem;font-weight:800}.student-auth-button-progress{display:inline-flex;align-items:center;gap:8px}.student-auth-button-progress:before{width:14px;height:14px;content:"";border:2px solid rgba(255,255,255,.45);border-top-color:#ffffff;border-radius:999px;animation:student-auth-spin .8s linear infinite}.student-auth-error{border-radius:8px;background:var(--danger-bg);color:var(--danger);padding:10px;font-size:.88rem;font-weight:700}@keyframes student-auth-spin{to{transform:rotate(1turn)}}@media (max-width:430px){.student-auth-shell{padding:14px}.student-auth-card{padding:18px}}