:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--background:#0f172a;--border:#334155;--text-primary:#f8fafc;--text-secondary:#cbd5e1;--purple:#8b5cf6;--purple-light:#a78bfa;--blue:#60a5fa;background:var(--background);color:var(--text-primary);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}*{box-sizing:border-box}body{min-width:0;min-height:100vh;margin:0}.study-shell{width:min(100%,48rem);margin:0 auto;padding:clamp(3rem,10vw,6rem) clamp(1.25rem,5vw,2.5rem)}.study-header{border-bottom:1px solid var(--border);padding-bottom:2rem}.study-label{color:var(--blue);letter-spacing:.08em;text-transform:uppercase;margin:0 0 1rem;font-size:.8rem;font-weight:700}h1{letter-spacing:-.035em;margin:0 0 1rem;font-size:clamp(2.25rem,6vw,3.5rem);line-height:1.1}.study-description{max-width:40rem;color:var(--text-secondary);margin:0;font-size:1.125rem}:focus-visible{outline:3px solid var(--purple-light);outline-offset:3px}.auth-section{max-width:32rem;margin-top:2rem}.auth-section h2{margin:0 0 .75rem;font-size:1.4rem}.auth-section p{color:var(--text-secondary)}fieldset{border:0;min-width:0;margin:1.5rem 0 0;padding:0}.auth-field{gap:.5rem;margin-bottom:1.25rem;display:grid}label{font-weight:600}input,select,textarea{width:100%;min-width:0;min-height:44px;font:inherit;color:var(--text-primary);border:1px solid var(--border);background:#1e293b;border-radius:6px;padding:.7rem .85rem}textarea{resize:vertical}small{color:var(--text-secondary)}button{min-height:44px;font:inherit;background:var(--purple);color:var(--text-primary);cursor:pointer;border:1px solid #0000;border-radius:6px;padding:.7rem 1rem;font-weight:600}button:hover:not(:disabled){background:#7c3aed}button:disabled{opacity:.65;cursor:wait}.text-button{color:var(--purple-light);text-align:left;background:0 0;padding-inline:0}.text-button:hover:not(:disabled){background:0 0;text-decoration:underline}.auth-section .auth-error,.auth-error{color:#fbbf24}.account-email{overflow-wrap:anywhere}.subjects-section{border-top:1px solid var(--border);margin-top:2.5rem;padding-top:2rem}.subjects-section p{color:var(--text-secondary)}.subjects-heading{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.subjects-heading h2{margin:0;font-size:1.4rem}.subjects-section h3{margin:1.75rem 0 .75rem;font-size:1.1rem}.subject-list{margin:0;padding:0;list-style:none}.subject-list>li{border-bottom:1px solid var(--border);padding:1rem 0}.subject-heading{overflow-wrap:anywhere}.subject-heading h4{margin:0;font-size:1rem}.subject-heading .subject-code{color:var(--blue);margin:0 0 .25rem;font-size:.85rem}.subject-actions{flex-wrap:wrap;gap:.5rem 1.5rem;margin-top:.5rem;display:flex}.subject-form{max-width:32rem}.subject-form legend{margin-bottom:1rem;font-weight:600}.subject-help{font-size:.85rem}.archived-subjects{margin-top:1.75rem}.archived-subjects summary{cursor:pointer;min-height:44px;color:var(--text-secondary)}.archived-subjects summary h3{margin:0;display:inline}.sr-only{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.timer-section{border-bottom:1px solid var(--border);overflow-wrap:anywhere;padding-block:2rem}.timer-section h2{margin:0;font-size:1.4rem}.timer-section .subject-code{color:var(--blue);margin-bottom:.25rem}.timer-subject{margin:0;font-size:1.25rem}.timer-description{color:var(--text-secondary);white-space:pre-wrap}.timer-clock{font-variant-numeric:tabular-nums;margin-block:1.5rem;font-size:clamp(2rem,9vw,3.5rem);line-height:1.2}.timer-meta{color:var(--text-secondary);font-size:.9rem}.timer-saved{border-left:2px solid var(--purple);margin-top:1.25rem;padding-left:1rem}.timer-saved p{font-weight:600}.timer-saved dl{margin:0}.timer-saved dl>div{flex-wrap:wrap;justify-content:space-between;gap:.25rem 1rem;display:flex}.timer-saved dd{font-variant-numeric:tabular-nums;margin:0}