:root[data-theme=light]{--bg:#ebe7dd;--bg-noise:rgba(38,28,12,.035);--paper:#fffefb;--paper-shadow:rgba(32,24,12,.15);--ink:#141312;--muted:#4b4842;--rule:#d2ccc1;--accent:#22201d;--bar:#26231f;--bar-soft:rgba(34,31,28,.16);--bar-strong:#10100f;--field:#f8f5eb;--danger:#8f2f2f}:root[data-theme=dark]{--bg:#141414;--bg-noise:hsla(0,0%,100%,.045);--paper:#1d1d1b;--paper-shadow:rgba(0,0,0,.55);--ink:#f3f0e7;--muted:#bdb9af;--rule:#4a4843;--accent:#f7f3ea;--bar:#d7d2c8;--bar-soft:hsla(38,27%,88%,.22);--bar-strong:#faf6ee;--field:#262522;--danger:#ff9f9f}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%}html{overflow-y:scroll;scrollbar-gutter:stable both-edges}body{background:radial-gradient(circle at top right,var(--bg-noise),transparent 42%),var(--bg);color:var(--ink);font-family:Latin Modern Roman,"CMU Serif","Computer Modern Serif",Times New Roman,serif;line-height:1.5}.page-shell{min-height:100vh;padding:2rem 1rem;display:grid;place-items:center}.paper{width:min(940px,100%);min-height:min(95vh,1180px);background:var(--paper);border:1px solid var(--rule);box-shadow:0 18px 42px var(--paper-shadow);padding:clamp(1.5rem,3.5vw,3rem) clamp(1.1rem,4vw,3.2rem);display:grid;grid-gap:1.9rem;gap:1.9rem;align-content:start}.masthead{display:flex;justify-content:space-between;gap:1rem;align-items:flex-start;padding-bottom:.8rem;border-bottom:1px solid var(--rule)}.masthead-actions{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap;justify-content:flex-end}h1,h2{margin:0;font-weight:600}h1{font-size:clamp(1.65rem,3vw,2.1rem);letter-spacing:.01em}h2{font-size:1.02rem;margin-bottom:.45rem;text-transform:uppercase;letter-spacing:.08em}.theme-toggle{border:1px solid var(--rule);background:transparent;color:var(--ink);font:inherit;padding:.42rem .82rem;cursor:pointer;min-height:38px;white-space:nowrap}.theme-icon-toggle{width:38px;min-width:38px;padding:0;font-size:1rem;line-height:1}.theme-toggle:hover{border-color:var(--accent)}.theme-toggle:disabled{opacity:.6;cursor:not-allowed}.section{padding-bottom:1.2rem}.section,.tab-row{border-bottom:1px solid var(--rule)}.tab-row{display:flex;gap:.45rem;flex-wrap:nowrap;padding-bottom:.9rem}.tab-btn{flex:1 1;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--rule);background:transparent;color:var(--ink);font:inherit;font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.07em;padding:.42rem .78rem;cursor:pointer;min-height:38px;min-width:0;white-space:nowrap}.tab-btn.active-tab,.tab-btn:hover{border-color:var(--accent)}.tab-btn.active-tab{background:color-mix(in srgb,var(--field) 72%,transparent)}.section-head{display:flex;align-items:center;justify-content:space-between;gap:.8rem}.inline-status{margin:0;font-size:.82rem;letter-spacing:.04em;color:var(--muted)}.split-layout{display:grid;grid-gap:1.5rem;gap:1.5rem;grid-template-columns:minmax(0,1fr) minmax(260px,340px)}.display-line{margin:0;font-size:clamp(1.12rem,2.55vw,1.46rem);font-weight:600}.clock-line,.data-line,.gauge-line,.muted-line{margin:.22rem 0 0}.clock-line{color:var(--muted)}.data-line,.muted-line{font-size:.95rem}.muted-line{color:var(--muted)}.gauge-line{font-family:inherit;letter-spacing:.01em;margin-top:.5rem}.mini-title{margin:0 0 .5rem;font-size:.8rem;text-transform:uppercase;letter-spacing:.09em;color:var(--muted)}.form-subtitle{margin-top:1.1rem}.auth-form{grid-gap:.6rem;gap:.6rem;max-width:520px}.auth-form,.input-grid{margin-top:.2rem;display:grid}.input-grid{grid-gap:.65rem .85rem;gap:.65rem .85rem;grid-template-columns:repeat(2,minmax(0,1fr))}.busy-grid{display:grid;grid-gap:.5rem;gap:.5rem;grid-template-columns:repeat(7,minmax(0,1fr))}.input-group{display:grid;grid-gap:.24rem;gap:.24rem;font-size:.84rem}.input-group span{color:var(--muted)}.input-group.compact span{text-align:center}.input-group input{width:100%;border:1px solid var(--rule);background:var(--field);color:var(--ink);font:inherit;padding:.44rem .5rem;min-height:38px}.input-group input:disabled{background:color-mix(in srgb,var(--field) 72%,var(--rule));border-color:color-mix(in srgb,var(--rule) 75%,var(--muted));color:var(--muted);cursor:not-allowed}.input-group input:focus-visible{outline:1px solid var(--accent);outline-offset:1px}.lock-note{margin:0 0 .45rem;font-size:.84rem}.btn-row{display:flex;gap:.5rem;flex-wrap:wrap}.error-line{margin:.3rem 0 0;color:var(--danger);font-size:.92rem}.exam-editor{display:grid;grid-gap:.65rem;gap:.65rem}.exam-row{display:grid;grid-gap:.55rem;gap:.55rem;grid-template-columns:minmax(0,1fr) minmax(140px,180px) minmax(120px,150px) minmax(130px,150px) auto;align-items:end}.danger-btn{border-color:color-mix(in srgb,var(--danger) 40%,var(--rule));color:var(--danger)}.chart-block{border-left:1px solid var(--rule);padding-left:1rem}.chart-head{display:flex;align-items:center;justify-content:space-between;gap:.6rem;flex-wrap:wrap}.chart-head .mini-title{margin-bottom:0}.week-nav{display:inline-flex;align-items:center;gap:.4rem}.week-arrow{border:1px solid var(--rule);background:transparent;color:var(--ink);font:inherit;width:1.9rem;height:1.9rem;display:grid;place-items:center;line-height:1;cursor:pointer}.week-arrow:hover{border-color:var(--accent)}.week-arrow:disabled{opacity:.5;cursor:not-allowed}.week-label{margin:0;min-width:145px;text-align:center;font-size:.76rem;letter-spacing:.07em;color:var(--muted);text-transform:uppercase}.chart-sync-line{margin-top:.36rem}.chart-row{margin-top:.45rem;display:grid;grid-template-columns:repeat(7,minmax(26px,1fr));grid-gap:.32rem;gap:.32rem;align-items:end}.day-column{display:grid;grid-template-rows:1.1em 118px 1.1em 2.2em;justify-items:center;grid-gap:.18rem;gap:.18rem}.chart-hours{font-size:.68rem;color:var(--muted);line-height:1.1}.chart-track{width:100%;height:118px;border-bottom:1px solid var(--rule);display:flex;align-items:flex-end}.chart-bar{width:100%;min-height:2px;background:var(--bar-soft)}.chart-day{font-size:.76rem;letter-spacing:.06em;color:var(--muted);line-height:1.1}.chart-date{display:grid;justify-items:center;align-content:start;font-size:.66rem;letter-spacing:.04em;color:var(--muted);text-transform:uppercase;line-height:1.05}.chart-date-day,.chart-date-month{display:block}.current-day .chart-bar{box-shadow:0 0 0 1px color-mix(in srgb,var(--accent) 35%,transparent)}.current-day .chart-date,.current-day .chart-day,.current-day .chart-hours{color:var(--accent);font-weight:600}.exam-list{margin:.5rem 0 0;padding:0;list-style:none;display:grid;grid-gap:.6rem;gap:.6rem}.exam-card{border:1px solid var(--rule);background:color-mix(in srgb,var(--field) 68%,transparent);padding:.68rem .72rem;display:grid;grid-gap:.3rem;gap:.3rem}.exam-card-head{display:flex;justify-content:space-between;align-items:baseline;gap:.6rem}.exam-gap,.exam-meta,.exam-name,.exam-status{margin:0}.exam-name{font-size:1rem;font-weight:600}.exam-status{font-size:.82rem;letter-spacing:.03em;color:var(--muted)}.exam-gap,.exam-meta{font-size:.92rem}.exam-gap{color:var(--muted)}.exam-passed{opacity:.78}.exam-in-progress{border-color:color-mix(in srgb,var(--accent) 45%,var(--rule))}.help-fab{justify-self:end;align-self:end;margin-top:.2rem;width:38px;height:38px;border:1px solid var(--rule);background:transparent;color:var(--ink);font:inherit;font-size:.98rem;font-weight:700;display:grid;place-items:center;cursor:pointer}.help-fab:hover{border-color:var(--accent);background:color-mix(in srgb,var(--field) 72%,transparent)}.help-fab:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.help-overlay{position:fixed;inset:0;background:rgba(8,8,8,.76);display:grid;place-items:center;padding:1rem;z-index:50}.help-card{width:min(640px,calc(100vw - 2rem));border:1px solid var(--rule);background:var(--paper);color:var(--ink);box-shadow:0 18px 42px var(--paper-shadow);padding:1rem 1rem .95rem;display:grid;grid-gap:.85rem;gap:.85rem}.help-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:.6rem;padding-bottom:.9rem;border-bottom:1px solid var(--rule)}.help-card-head h2{margin:0;font-size:clamp(1.15rem,2vw,1.45rem);letter-spacing:.01em}.help-close{border:1px solid var(--rule);background:transparent;color:var(--ink);font:inherit;width:30px;height:30px;display:grid;place-items:center;cursor:pointer;flex:0 0 auto}.help-close:hover{border-color:var(--accent);background:color-mix(in srgb,var(--field) 72%,transparent)}.help-close:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.help-eyebrow{margin:0 0 .22rem;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}.help-intro{margin:0;font-size:.92rem;line-height:1.55}.help-block{display:grid;grid-gap:.32rem;gap:.32rem}.help-subtitle{margin:0;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700}.help-line{margin:0;font-size:.88rem;color:var(--muted);line-height:1.5}.help-line code{font-size:.82em;word-break:break-all}.help-footer{display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-wrap:wrap;padding-top:.15rem}.help-footer-label{font-size:.84rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.help-link{color:var(--ink);text-decoration:none;border-bottom:1px solid;font-size:.92rem}.help-link:hover{color:var(--accent)}@media (max-width:880px){.split-layout{grid-template-columns:1fr}.chart-block{border-left:0;border-top:1px solid var(--rule);padding-left:0;padding-top:.9rem}.busy-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.exam-row{grid-template-columns:1fr 1fr}.exam-row .danger-btn{grid-column:1/-1;justify-self:start}}@media (max-width:640px){.page-shell{padding:.7rem .7rem calc(3.2rem + env(safe-area-inset-bottom))}.paper{width:100%;min-height:auto;gap:1.45rem;padding:1rem .9rem 1.2rem}.masthead{flex-direction:column;align-items:stretch;gap:.75rem}.masthead-actions{justify-content:flex-start}.section-head{align-items:flex-start}.section-head,.tab-row{flex-direction:column}.tab-btn,.theme-toggle{width:100%}.theme-icon-toggle{width:38px}.input-grid{grid-template-columns:1fr}.busy-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.exam-row{grid-template-columns:1fr}.exam-row .danger-btn{grid-column:auto;justify-self:stretch}.chart-row{gap:.28rem}.week-nav{width:100%;justify-content:flex-start}.week-label{min-width:0;text-align:left}.help-card{width:calc(100vw - 1.2rem);padding:1rem .95rem calc(1rem + env(safe-area-inset-bottom))}.help-overlay{align-items:end;padding:.6rem .6rem 0}.help-footer{align-items:flex-start;flex-direction:column}.help-fab{justify-self:center}}