.periodic-button{min-height:40px;color:var(--ink);background:var(--surface-raised);border:1px solid var(--line-strong);font:650 .86rem var(--font-body);cursor:pointer;border-radius:999px;justify-content:center;align-items:center;gap:7px;padding:7px 14px;display:inline-flex}.periodic-button:hover{border-color:var(--cobalt);color:var(--cobalt-strong)}.periodic-button[aria-expanded=true]{color:var(--paper);background:var(--ink);border-color:var(--ink)}.periodic-button:focus-visible,.periodic-close:focus-visible{outline:2px solid var(--cobalt);outline-offset:2px}.periodic-button.is-floating{z-index:40;position:fixed;bottom:18px;right:18px;box-shadow:0 10px 28px #2e28222e}.periodic-dock{z-index:80;max-height:min(66dvh,660px);color:var(--ink);background:var(--surface-raised);border-top:1px solid var(--line-strong);outline:none;flex-direction:column;display:flex;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -18px 50px #2e28222e}.periodic-dock-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:7px clamp(12px,3vw,28px);display:flex}.periodic-dock-head h2{font:400 clamp(1rem, 1.8vw, 1.2rem)/1.2 var(--font-serif);margin:0}.periodic-close{width:36px;height:36px;color:var(--ink);border:1px solid var(--line);cursor:pointer;background:0 0;border-radius:999px;place-items:center;display:grid}.periodic-dock-body{overscroll-behavior:contain;padding:8px clamp(12px,3vw,28px) 12px;overflow:auto}.periodic-status{color:var(--muted);margin:12px 0}.periodic-table{min-width:860px;max-width:1180px;margin:0 auto}.periodic-grid{grid-template-rows:auto auto repeat(7,auto) 6px auto auto;grid-template-columns:repeat(18,minmax(44px,1fr));gap:2px;display:grid}.periodic-elements{margin:0;padding:0;list-style:none;display:contents}.periodic-group-heading{color:var(--muted);font:650 .7rem/1 var(--font-mono);text-transform:uppercase;letter-spacing:.08em;justify-self:center}.periodic-group{font:650 .8rem/1 var(--font-body);place-self:end center;padding-bottom:2px}.periodic-cell{text-align:center;background:var(--surface);border:1px solid var(--line-strong);border-radius:4px;align-content:center;justify-items:center;gap:0;min-height:46px;padding:2px;display:grid}.periodic-cell small{max-width:100%;color:var(--muted);-webkit-hyphens:auto;hyphens:auto;font-size:.58rem;line-height:1.05}.periodic-cell b{font:650 .98rem/1 var(--font-body)}.periodic-cell:hover{border-color:var(--cobalt);background:var(--cobalt-faint)}.periodic-key{grid-template-columns:auto 1fr;align-items:center;gap:8px;padding:4px 6px;display:grid}.periodic-key-title{color:var(--muted);font:650 .7rem/1 var(--font-mono);text-transform:uppercase;letter-spacing:.08em}.periodic-key-cell{max-width:150px}.periodic-key-cell b{font-size:.78rem;font-weight:650}.periodic-placeholder{min-height:46px;color:var(--muted);text-align:center;border:1px dashed var(--line-strong);border-radius:4px;align-content:center;place-items:center;font-size:.72rem;display:grid}.periodic-placeholder small{font-size:.6rem}.periodic-series-label{color:var(--muted);place-self:center end;padding-right:6px;font-size:.72rem}.periodic-rtp{color:var(--muted);margin:6px 0 0;font-size:.78rem}.periodic-swipe{display:none}@media (max-width:1100px){.periodic-table{min-width:940px}.periodic-grid{grid-template-columns:repeat(18,minmax(50px,1fr))}.periodic-cell{min-height:54px}.periodic-cell small{font-size:.66rem}.periodic-cell b{font-size:1.1rem}.periodic-swipe{color:var(--muted);margin:0 0 6px;font-size:.78rem;display:block}}@media (max-width:760px){.periodic-button.is-floating{padding:7px 12px;bottom:12px;right:12px}.periodic-dock{border-radius:14px 14px 0 0;max-height:72dvh}.periodic-table{min-width:1010px}.periodic-grid{grid-template-columns:repeat(18,minmax(54px,1fr))}}
.PaperWorkspace-module__ppOfnG__workspace{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:24px;margin-top:22px;display:grid}.PaperWorkspace-module__ppOfnG__workspace[data-marking]{grid-template-columns:minmax(0,1fr) 420px}.PaperWorkspace-module__ppOfnG__main{min-width:0;scroll-margin-top:78px}.PaperWorkspace-module__ppOfnG__rail{gap:14px;display:grid;position:sticky;top:78px}.PaperWorkspace-module__ppOfnG__finished{background:var(--subject-panel-tint,var(--cobalt-faint));border:1px solid color-mix(in srgb, var(--course-pastel,var(--cobalt-soft)) 70%, var(--line));border-radius:18px;padding:20px}.PaperWorkspace-module__ppOfnG__finished h2{font:400 1.3rem/1.2 var(--font-serif);margin:0}.PaperWorkspace-module__ppOfnG__finished p{color:var(--ink-soft);margin:6px 0 14px;font-size:.9rem;line-height:1.45}.PaperWorkspace-module__ppOfnG__markButton,.PaperWorkspace-module__ppOfnG__dockMark{min-height:46px;color:var(--accent-contrast);background:var(--cobalt);font:760 .95rem/1 var(--font-body);cursor:pointer;border:0;border-radius:12px;justify-content:center;align-items:center;gap:8px;transition:background-color .15s;display:inline-flex;box-shadow:0 8px 20px -10px #2f5beab3}.PaperWorkspace-module__ppOfnG__markButton{width:100%}.PaperWorkspace-module__ppOfnG__markButton svg,.PaperWorkspace-module__ppOfnG__dockMark svg{width:17px;height:17px}.PaperWorkspace-module__ppOfnG__markButton:hover,.PaperWorkspace-module__ppOfnG__dockMark:hover{background:var(--cobalt-strong)}.PaperWorkspace-module__ppOfnG__held{color:var(--muted);background:var(--surface-raised);border:1px solid var(--line);border-radius:14px;margin:0;padding:14px 16px;font-size:.9rem}.PaperWorkspace-module__ppOfnG__markPanel{overscroll-behavior:contain;background:var(--surface-raised);border:1px solid var(--line);border-radius:20px;max-height:calc(100dvh - 96px);overflow:auto}.PaperWorkspace-module__ppOfnG__dock{display:none}.PaperWorkspace-module__ppOfnG__workspace :is(button):focus-visible{outline:2px solid var(--cobalt);outline-offset:2px}@media (max-width:980px){.PaperWorkspace-module__ppOfnG__workspace,.PaperWorkspace-module__ppOfnG__workspace[data-marking]{grid-template-columns:minmax(0,1fr)}.PaperWorkspace-module__ppOfnG__rail{position:static}}@media (max-width:760px){.PaperWorkspace-module__ppOfnG__workspace{padding-bottom:84px}.PaperWorkspace-module__ppOfnG__markPanel{z-index:40;border-bottom:0;border-radius:20px 20px 0 0;max-height:55dvh;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -24px 60px -24px #00000073}.PaperWorkspace-module__ppOfnG__dock{z-index:30;background:#191917;border-radius:16px;align-items:center;gap:6px;padding:6px;display:flex;position:fixed;bottom:14px;left:50%;transform:translate(-50%);box-shadow:0 20px 50px -16px #0000008c}.PaperWorkspace-module__ppOfnG__workspace[data-marking] .PaperWorkspace-module__ppOfnG__dock{display:none}.PaperWorkspace-module__ppOfnG__dockSwitch{background:#2c2c29;border-radius:11px;gap:2px;padding:3px;display:flex}.PaperWorkspace-module__ppOfnG__dockSwitch button{color:#aaa79e;min-height:38px;font:700 .86rem/1 var(--font-body);background:0 0;border:0;border-radius:8px;padding:0 14px}.PaperWorkspace-module__ppOfnG__dockSwitch button[aria-pressed=true]{color:#191917;background:#fafaf7}.PaperWorkspace-module__ppOfnG__dockMark{white-space:nowrap;min-height:44px;padding:0 16px}}.PaperWorkspace-module__ppOfnG__reference{display:flex}.PaperWorkspace-module__ppOfnG__dock .periodic-button{color:#fff;background:0 0;border-color:#ffffff47;min-height:40px}
.PastPaperPaperPage-module__bQvmMG__page{padding-bottom:64px}.PastPaperPaperPage-module__bQvmMG__head{margin-top:20px}.PastPaperPaperPage-module__bQvmMG__eyebrow{color:var(--muted);font:600 .7rem/1.3 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;margin:0}.PastPaperPaperPage-module__bQvmMG__head h1{font:400 clamp(2rem, 4vw, 3rem)/1.04 var(--font-serif);letter-spacing:-.025em;text-wrap:balance;margin:10px 0 0}.PastPaperPaperPage-module__bQvmMG__facts{flex-wrap:wrap;gap:6px;margin:14px 0 0;padding:0;list-style:none;display:flex}.PastPaperPaperPage-module__bQvmMG__facts li{color:var(--ink-soft);background:var(--surface-raised);border:1px solid var(--line);border-radius:999px;padding:5px 11px;font-size:.82rem;font-weight:650}.PastPaperPaperPage-module__bQvmMG__box{background:var(--surface-raised);border:1px solid var(--line);border-radius:18px;gap:16px;padding:18px 20px;display:grid}.PastPaperPaperPage-module__bQvmMG__box h3{color:var(--muted);font:600 .66rem/1.2 var(--font-mono);letter-spacing:.1em;text-transform:uppercase;margin:0 0 8px}.PastPaperPaperPage-module__bQvmMG__pill{background:var(--subject-panel-tint,var(--surface));border-radius:12px;flex-wrap:wrap;padding:3px;display:inline-flex}.PastPaperPaperPage-module__bQvmMG__pill a{min-width:42px;height:34px;font:600 .9rem/1 var(--font-body);font-variant-numeric:tabular-nums;white-space:nowrap;border-radius:9px;place-items:center;padding:0 9px;transition:background-color .15s,color .15s;display:inline-grid}.PastPaperPaperPage-module__bQvmMG__pill a+a{box-shadow:-1px 0 0 color-mix(in srgb, var(--course-pastel,var(--line)) 90%, #fff)}.PastPaperPaperPage-module__bQvmMG__pill a:hover{color:var(--course-accent,var(--cobalt));background:var(--surface-raised)}.PastPaperPaperPage-module__bQvmMG__pill a[aria-current=page]{color:var(--surface);background:var(--ink);box-shadow:none}.PastPaperPaperPage-module__bQvmMG__neighbours div{grid-template-columns:repeat(auto-fit,minmax(118px,1fr));gap:8px;display:grid}.PastPaperPaperPage-module__bQvmMG__neighbours div>span:empty{display:none}.PastPaperPaperPage-module__bQvmMG__neighbours a{border:1px solid var(--line);border-radius:12px;gap:4px;min-width:0;padding:10px 12px;transition:border-color .15s;display:grid}.PastPaperPaperPage-module__bQvmMG__neighbours a:hover{border-color:var(--course-accent,var(--cobalt))}.PastPaperPaperPage-module__bQvmMG__neighbours small{color:var(--muted);align-items:center;gap:4px;font-size:.74rem;font-weight:600;display:flex}.PastPaperPaperPage-module__bQvmMG__neighbours b{font-size:.9rem;font-weight:700}.PastPaperPaperPage-module__bQvmMG__more{flex-wrap:wrap;gap:6px 16px;display:flex}.PastPaperPaperPage-module__bQvmMG__more a,.PastPaperPaperPage-module__bQvmMG__practice{color:var(--course-accent,var(--cobalt));text-decoration:underline;-webkit-text-decoration-color:color-mix(in srgb, currentColor 35%, transparent);text-decoration-color:color-mix(in srgb, currentColor 35%, transparent);text-underline-offset:4px;font-size:.88rem;font-weight:700}.PastPaperPaperPage-module__bQvmMG__more a:hover,.PastPaperPaperPage-module__bQvmMG__practice:hover{text-decoration-color:currentColor}.PastPaperPaperPage-module__bQvmMG__practice{align-items:center;gap:6px;padding:0 4px;display:inline-flex}.PastPaperPaperPage-module__bQvmMG__questions{max-width:920px;margin-top:48px}.PastPaperPaperPage-module__bQvmMG__questions h2{font:400 1.6rem/1.2 var(--font-serif);margin:0}.PastPaperPaperPage-module__bQvmMG__questions>p{color:var(--muted);margin:6px 0 14px;font-size:.9rem}.PastPaperPaperPage-module__bQvmMG__questions ol{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:28px;margin:0;padding:0;list-style:none;display:grid}.PastPaperPaperPage-module__bQvmMG__questions li{border-bottom:1px solid var(--line);grid-template-columns:44px minmax(0,1fr) auto;gap:10px;padding:10px 0;font-size:.92rem;display:grid}.PastPaperPaperPage-module__bQvmMG__questions li b{color:var(--muted);font:600 .84rem/1.4 var(--font-mono)}.PastPaperPaperPage-module__bQvmMG__questions li em{color:var(--muted);font:500 .8rem/1.5 var(--font-mono);white-space:nowrap;font-style:normal}.PastPaperPaperPage-module__bQvmMG__aliases{color:var(--muted);font:500 .8rem/1.5 var(--font-mono);margin:28px 0 0}.PastPaperPaperPage-module__bQvmMG__aliases span{font-family:var(--font-body);margin-right:10px;font-weight:650}@media (max-width:760px){.PastPaperPaperPage-module__bQvmMG__questions ol{grid-template-columns:1fr}}