/* forge */
.page-head{padding-block:32px 16px}
.page-head h1{font-size:clamp(32px,5vw,54px);margin-top:10px}
.page-head p{color:var(--mute);margin-top:10px;max-width:60ch}
.forge{display:grid;grid-template-columns:1fr 340px;gap:22px;padding-bottom:60px;align-items:start}
.panel{background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow)}
.field{display:flex;flex-direction:column;gap:10px;padding-block:16px;border-top:1px solid var(--line)}
.field:first-child{border-top:0;padding-top:0}
.field:last-child{padding-bottom:0}
.field label,.lbl{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--mute);font-weight:700}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line);background:var(--bg);border-radius:99px;padding:8px 14px;font-weight:700;font-size:14px;transition:all .15s;color:var(--ink)}
.chip:hover{border-color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.chip small{font-weight:500;opacity:.7}
/* exam picker: one card per family; a card expands to its sub-exams */
.exam-select{display:flex;flex-direction:column;gap:10px}
.fam-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px}
.fam-card{display:flex;flex-direction:column;align-items:flex-start;gap:4px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--bg);font:inherit;color:var(--ink);text-align:left;cursor:pointer;transition:border-color .15s,background .15s}
.fam-card:hover{border-color:var(--ink)}
.fam-card[aria-expanded="true"]{border-color:var(--ink)}
.fam-card[aria-pressed="true"]{background:var(--accent-soft);border-color:var(--accent)}
.fam-name{font-weight:800;font-size:16px}
.fam-subs{font-size:12px;color:var(--mute);line-height:1.4}
.sub-panel{grid-column:1/-1;display:flex;flex-direction:column;gap:10px;padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--soft)}
.sub-prompt{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--mute);font-weight:700}
.sub-items{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.exam-item{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--bg);font:inherit;color:var(--ink);text-align:left;cursor:pointer}
.exam-item:hover{border-color:var(--ink)}
.exam-item[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.exam-item small{font-size:12px;opacity:.7}
.blueprint{position:sticky;top:calc(var(--hh,0px) + env(safe-area-inset-top,0px) + 12px);display:flex;flex-direction:column;gap:14px;background:var(--soft);box-shadow:none}
.bp-row{display:flex;justify-content:space-between;gap:10px;font-size:15px;border-bottom:1px solid var(--line);padding-bottom:10px}
.bp-row span:first-child{color:var(--mute)}
.bp-row b{font-family:var(--f-mono);font-weight:600;text-align:right}
.bp-big{font-size:60px;font-weight:800;letter-spacing:-.04em;line-height:1;color:var(--accent)}
.warnbox{font-size:13px;color:var(--bad);font-weight:600;min-height:1.2em}


/* count and custom negative marks: slider (or nothing) beside a number box */
.count-row{display:flex;align-items:center;gap:12px}
.count-row input[type="range"]{flex:1;accent-color:var(--accent)}
.count-num{width:86px;font:inherit;font-weight:700;padding:8px 10px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink)}
.count-num:focus{outline:2px solid var(--accent);outline-offset:1px}

/* subjects: a toggle with its bank size, and the question count beside it */
.subj-list{display:flex;flex-direction:column;gap:8px}
.subj-row{display:flex;align-items:center;gap:10px}
.subj-row .chip{flex:1;display:flex;justify-content:space-between;align-items:center;gap:8px;text-align:left}
.subj-row .count-num:disabled{opacity:.4}

/* forge pop-up: a progress ring that stays on the forge page while the test is written */
.build-modal{position:fixed;inset:0;z-index:70;display:flex;align-items:center;justify-content:center;padding:16px;background:rgba(14,19,32,.45);backdrop-filter:blur(4px)}
.build-modal[hidden]{display:none}
.build-modal-box{width:100%;max-width:380px;max-height:calc(100vh - 32px);overflow:hidden;background:var(--bg);border-radius:26px;padding:20px 24px;box-shadow:var(--shadow);text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}
.build-modal-head{width:100%;display:flex;justify-content:space-between;align-items:center}
.build-modal h2{font-size:24px;margin:0}
.build-sub{margin:0;color:var(--mute);font-size:14px}
.build-ring-wrap{position:relative;width:150px;height:150px;margin:2px 0}
.build-ring{width:100%;height:100%;transform:rotate(-90deg)}
.build-ring circle{fill:none;stroke-width:10}
.build-ring-bg{stroke:var(--soft2)}
.build-ring-fg{stroke:var(--accent);stroke-linecap:round;stroke-dasharray:339.29;stroke-dashoffset:339.29;transition:stroke-dashoffset .5s ease}
.build-ring-wrap.busy .build-ring-fg{transition:none;animation:build-spin 1.1s linear infinite;transform-origin:center;transform-box:fill-box}
@keyframes build-spin{to{transform:rotate(360deg)}}
.build-ring-label{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.build-ring-label b{font-family:var(--f-mono);font-size:28px}
.build-ring-label span{font-size:12px;color:var(--mute)}
.build-msg{margin:0;font-size:14px;color:var(--mute);min-height:1.4em}
.build-msg.bad{color:var(--bad)}
.build-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;width:100%}
.build-actions[hidden]{display:none}

/* subjects inside the paper blueprint */
.bp-subjects{display:flex;flex-direction:column;gap:10px;margin-top:4px}
.bp-subjects .lbl{margin-bottom:2px}