/* NadiaChicago's original teaching logbook. Scoped to lesson 3.1; no ELD branding. */
.nch{--nch-ink:#203946;--nch-green:#426752;--nch-amber:#926012;--nch-red:#a84632;color:var(--nch-ink);margin:22px 0;font-size:15px;line-height:1.55}
.nch *{box-sizing:border-box;min-width:0}
.nch button,.nch select,.nch summary{font:inherit;min-height:44px;max-width:100%;touch-action:manipulation}
.nch button{border:1px solid #c8c8ba;border-radius:9px;color:var(--nch-ink);background:#fffdf9;padding:10px 13px;text-align:left;white-space:normal;overflow-wrap:break-word}
.nch button:hover{border-color:var(--nch-green);background:#f1f3e9}
.nch button:focus-visible,.nch select:focus-visible,.nch summary:focus-visible{outline:3px solid #9b583b;outline-offset:3px}
.nch button[aria-pressed=true]{background:var(--nch-ink);color:#fff8ec;border-color:var(--nch-ink)}
.nch button[aria-disabled=true]{border-style:dashed;color:#734b3c;background:#f7ece5}
.nch button small{display:block;font-size:13px;line-height:1.45;font-weight:400;margin-top:3px}
.nch h4{font-family:Georgia,'Times New Roman',serif;font-size:26px;font-weight:400;line-height:1.18;margin:0 0 10px}
.nch p{margin:0 0 12px}.nch p:last-child{margin-bottom:0}
.nch-eyebrow{font-size:12px;font-weight:700;letter-spacing:.07em;text-transform:uppercase}
.nch-concept{padding:22px;background:#eeeade;border-block:1px solid #d8d2c4}
.nch-concept-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px;margin-bottom:18px}
.nch-concept-head strong{display:block;font-size:23px;font-weight:650;margin-bottom:5px}
.nch-concept-head p{font-size:16px}
.nch-status-choices{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.nch-status-choices b{font-size:16px}.nch-status-choices small{font-size:13px}
.nch-concept-result{margin-top:14px;padding-top:15px;border-top:1px solid #cfc8b8;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px}
.nch-concept-result b{display:block;font-size:13px;margin-bottom:4px}
.nch-concept-result p{font-size:15px}
.nch-simulator{margin-top:28px;background:#fffdf9;border:1px solid #d3d2c5;border-radius:16px;padding:24px}
.nch-sim-head{display:flex;align-items:flex-start;justify-content:space-between;gap:15px;flex-wrap:wrap;margin-bottom:18px}
.nch-training{display:inline-block;border:1px solid #9dada0;border-radius:30px;padding:5px 10px;font-size:12px;color:#3b5e49;max-width:100%}
.nch-setup{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) auto;align-items:end;gap:12px;padding-bottom:18px;border-bottom:1px solid #dedace}
.nch-setup label{display:grid;gap:5px;font-size:13px;font-weight:650}
.nch-setup select{width:100%;font-size:16px;border:1px solid #b6bcae;border-radius:7px;background:#fffdf9;color:#203946;padding:9px 8px}
.nch-setup button{font-size:14px}
.nch-scenario-note{font-size:14px;color:#535b51;margin:12px 0 0!important}
.nch-now{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin:22px 0 15px}
.nch-now time{font-variant-numeric:tabular-nums;font-size:26px;font-weight:650;letter-spacing:-.04em}
.nch-now time small{font-size:14px;font-weight:400;letter-spacing:0;margin-right:9px}
.nch-current{font-size:14px;border-left:3px solid var(--nch-green);padding-left:10px;max-width:100%}
.nch-current b{display:block;font-size:16px}
.nch-clocks{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.nch-clock{--clock-color:var(--nch-green);text-align:center;border-bottom:2px solid #dce2d5;padding:0 6px 14px}
.nch-clock[data-level=warning]{--clock-color:var(--nch-amber);border-color:#bd9344}
.nch-clock[data-level=limit]{--clock-color:var(--nch-red);border-color:var(--nch-red)}
.nch-dial{width:min(100%,124px);aspect-ratio:1;margin:auto;display:grid;place-items:center;position:relative}
.nch-dial svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
.nch-dial circle{fill:none;stroke-width:5;stroke:#e6e7dd}.nch-dial circle:last-child{stroke:var(--clock-color);stroke-linecap:round;stroke-dasharray:100;transition:stroke-dashoffset .18s ease}
.nch-dial output{font-size:clamp(21px,2.6vw,29px);font-weight:650;font-variant-numeric:tabular-nums;letter-spacing:-.04em;color:var(--nch-ink)}
.nch-clock h5{font-weight:650;margin:7px 0 3px;font-size:15px;line-height:1.35}
.nch-clock .nch-cap{font-size:13px;color:#62685e;display:block}
.nch-clock .nch-clock-state{font-size:13px;display:block;color:var(--clock-color);font-weight:650;margin-top:4px}
.nch-planning{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 0;margin:10px 0 0;border-bottom:1px solid #dedace}
.nch-planning p{font-size:14px;margin:0}.nch-planning strong{font-size:24px;white-space:nowrap;font-variant-numeric:tabular-nums}.nch-planning small{display:block;font-size:13px;font-weight:400}
.nch-limit{margin:12px 0 0;padding:12px 14px;border-left:3px solid var(--nch-red);background:#f8eae3;color:#6e3329;font-size:14px}
.nch-actions-label{display:block;margin:20px 0 9px;font-weight:650}
.nch-actions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.nch-actions button{font-weight:650;font-size:15px}
.nch-actions button:first-child{background:#203946;color:#fff8ec;border-color:#203946}
.nch-actions button:first-child[aria-disabled=true]{background:#f7ece5;color:#734b3c;border-color:#a84632}
.nch-rest{display:flex;flex-wrap:wrap;gap:8px;margin-top:9px}.nch-rest button{flex:1 1 145px;font-size:14px}
.nch-feedback{margin-top:14px;background:#edf1e6;border-left:3px solid #58715f;padding:15px}
.nch-feedback[data-blocked=true]{background:#f8eae3;border-left-color:#a84632}
.nch-feedback strong{font-size:16px;display:block;margin-bottom:5px}.nch-feedback p{font-size:14px}
.nch-deltas{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:12px}
.nch-deltas span{font-size:12px;display:block}.nch-deltas b{font-size:14px;font-variant-numeric:tabular-nums;font-weight:650;display:block}
.nch-log{margin:24px 0 0;padding-top:20px;border-top:1px solid #dedace}
.nch-log-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.nch-log-head h5{font-size:18px;margin:0;font-weight:650}
.nch-log-nav{display:flex;align-items:center;gap:8px;font-size:14px}.nch-log-nav button{padding:7px 10px;min-width:44px;text-align:center}
.nch-graph{display:grid;grid-template-columns:42px minmax(0,1fr);gap:9px}
.nch-graph-labels{padding-top:26px;display:grid;grid-template-rows:repeat(4,36px);font-size:13px;font-weight:650;align-items:center}
.nch-grid-wrap{position:relative;padding-top:26px}
.nch-axis{position:absolute;inset:0 0 auto;display:flex;justify-content:space-between;font-size:12px;font-variant-numeric:tabular-nums;color:#585e54}
.nch-grid{height:144px;position:relative;background:#f2f0e8;border-block:1px solid #c7c9bc;border-right:1px solid #c7c9bc}
.nch-grid svg{display:block;width:100%;height:144px;overflow:visible}
.nch-log-caption{margin:9px 0 0!important;font-size:13px;color:#5a6257}
.nch-legend{font-size:13px;display:flex;flex-wrap:wrap;gap:5px 17px;margin-top:10px}.nch-legend span b{margin-right:4px}
.nch-log-summary{margin:12px 0 0!important;font-size:14px}
.nch-details{border-top:1px solid #d5d3c5;margin-top:18px}
.nch-details summary{cursor:pointer;padding:14px 4px;font-size:15px;font-weight:650}
.nch-details summary::marker{color:#8e6f5a}
.nch-details p,.nch-details li{font-size:14px}.nch-details ul{padding-left:20px}
.nch-history{list-style:none;padding:0;margin:0}
.nch-history li{padding:12px 0;border-top:1px solid #e0ded1;display:grid;grid-template-columns:145px minmax(0,1fr);gap:10px}
.nch-history time{font-size:13px;font-variant-numeric:tabular-nums}.nch-history strong{font-size:14px}.nch-history p{font-size:13px;margin-top:3px}
.nch-recap-days{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:12px 0}
.nch-recap-days div{border-bottom:1px solid #d5d3c5;padding:8px 0;font-size:13px}.nch-recap-days strong{display:block;font-size:17px;font-variant-numeric:tabular-nums}
.nch-recovery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:18px}.nch-recovery div{border-left:2px solid #a5b19c;padding-left:12px}.nch-recovery strong{font-size:15px}.nch-recovery p{font-size:14px;margin-top:4px}
.nch-sources{font-size:13px;color:#62685e;margin:18px 0 0!important}.nch-sources a{color:#395f4a;text-underline-offset:3px}
.course-guided-entry{padding:24px;margin:24px 0 18px}.course-guided-entry h3{margin:0 0 10px}.course-guided-entry p{max-width:72ch}.course-guided-entry .btn{max-width:100%;white-space:normal;overflow-wrap:break-word;min-height:48px;line-height:1.4;text-align:left}
@media(max-width:900px){.nch-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.nch-setup{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.nch-setup>button{grid-column:1/-1;justify-self:start}.nch-clocks{gap:8px}}
@media(max-width:640px){.nch{margin:18px 0;font-size:15px}.nch-concept{padding:16px 12px}.nch-concept-head{gap:15px}.nch-concept-head strong{font-size:21px}.nch-concept-head p{font-size:14px}.nch-status-choices{grid-template-columns:repeat(2,minmax(0,1fr))}.nch-concept-result{grid-template-columns:minmax(0,1fr);gap:12px}.nch-simulator{padding:16px 12px;margin-top:20px;border-radius:12px}.nch h4{font-size:25px}.nch-setup{grid-template-columns:minmax(0,1fr);gap:10px}.nch-setup>button{grid-column:auto}.nch-now{margin-top:16px}.nch-clocks{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 8px}.nch-dial{max-width:112px}.nch-dial output{font-size:25px}.nch-clock{padding-inline:0}.nch-clock h5{font-size:14px}.nch-clock-state{min-height:20px}.nch-planning{align-items:flex-start}.nch-planning strong{font-size:23px}.nch-actions{gap:7px}.nch-actions button{padding:10px 8px;font-size:14px}.nch-actions small{font-size:13px}.nch-feedback{padding:12px}.nch-deltas{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.nch-history li{grid-template-columns:minmax(0,1fr);gap:4px}.nch-recap-days{grid-template-columns:repeat(2,minmax(0,1fr))}.nch-recovery{grid-template-columns:minmax(0,1fr);gap:13px}.course-guided-entry{padding:18px 16px}.course-guided-entry .btn{width:100%;font-size:15px}.nch-log-head h5{font-size:17px}}
@media(prefers-reduced-motion:reduce){.nch *{animation:none!important;transition:none!important}}