:root{
  --bg:#0b0f14; --bg2:#121924; --panel:#161f2c; --panel2:#1c2836;
  --line:#243244; --line2:#2f4459;
  --tx:#e6edf3; --tx2:#9fb0c3; --tx3:#6b7d92;
  --accent:#4da3ff; --accent2:#2f7fd6;
  --good:#5ce6a5; --mod:#ffcf4d; --warn:#ff8a5c; --bad:#ff6b6b;
  --excellent:#38d39f;
  --radius:10px; --shadow:0 4px 20px rgba(0,0,0,.35);
  font-synthesis:none;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  background:var(--bg); color:var(--tx);
  font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
  display:flex; flex-direction:column; min-height:100%;
}
h1,h2,h3{margin:0;font-weight:650;letter-spacing:-.01em}
button{font:inherit;cursor:pointer}
a{color:var(--accent)}

/* header */
.app-header{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:12px 22px;background:linear-gradient(180deg,#101825,#0d141d);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:14px}
.logo-img{width:46px;height:46px;object-fit:contain;background:#fff;border-radius:11px;padding:3px;box-shadow:var(--shadow);flex:none}
.logo{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:15px;letter-spacing:.02em;color:#04121f;
  background:linear-gradient(135deg,#6cc0ff,#3f88e0);box-shadow:var(--shadow);
}
.app-header h1{font-size:19px;display:flex;align-items:baseline;gap:9px}
.app-header h1 .pw{font-size:10.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--accent);background:rgba(77,163,255,.14);padding:2px 8px;border-radius:20px}
.tagline{margin:2px 0 0;color:var(--tx3);font-size:12px}
/* auth wordmark (StemFit powered by CPAH) */
.auth-wordmark{display:flex;align-items:center;gap:14px}
.auth-mark{width:60px;height:60px;object-fit:contain;background:#fff;border-radius:15px;padding:4px;box-shadow:var(--shadow)}
.wm-name{font-size:34px;font-weight:800;letter-spacing:-.02em;color:var(--tx);line-height:1}
.wm-pw{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-top:5px}
.tabs{display:flex;gap:6px}
.tab{
  background:transparent;border:1px solid transparent;color:var(--tx2);
  padding:8px 14px;border-radius:8px;font-weight:550;
}
.tab:hover{color:var(--tx);background:var(--panel)}
.tab.active{color:var(--tx);background:var(--panel2);border-color:var(--line2)}

.tab-panel{display:none}
.tab-panel.active{display:block}

/* workspace */
.workspace{display:grid;grid-template-columns:1fr 360px;gap:16px;padding:16px;height:calc(100vh - 200px);min-height:520px}
.canvas-wrap{display:flex;flex-direction:column;background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;min-height:420px}
.canvas-toolbar{display:flex;gap:8px;align-items:center;padding:8px 10px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}
.hint-inline{color:var(--tx3);font-size:11.5px;margin-left:auto}
#canvas{flex:1;width:100%;height:100%;display:block;touch-action:none;cursor:crosshair}

/* buttons */
.btn{background:var(--accent);color:#04121f;border:none;padding:8px 14px;border-radius:8px;font-weight:600}
.btn:hover{background:#69b2ff}
.btn.ghost{background:var(--panel2);color:var(--tx);border:1px solid var(--line2)}
.btn.ghost:hover{background:var(--line)}
.btn.small{padding:5px 10px;font-size:12.5px}
.file-btn{display:inline-flex;align-items:center}

/* side panel */
.panel{display:flex;flex-direction:column;gap:14px;overflow:auto;padding-right:2px}
.panel-section{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.panel-section h2{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--tx2);margin-bottom:10px}

.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{display:flex;gap:10px;align-items:flex-start;padding:7px 8px;border-radius:8px;margin-bottom:3px;border:1px solid transparent}
.steps li .num{flex:none;width:22px;height:22px;border-radius:50%;background:var(--panel2);border:1px solid var(--line2);color:var(--tx2);display:grid;place-items:center;font-size:12px;font-weight:700}
.steps li .st-main{flex:1;min-width:0}
.steps li .st-label{font-weight:600}
.steps li .st-hint{color:var(--tx3);font-size:11.5px;display:none}
.steps li.active{background:var(--panel2);border-color:var(--accent2)}
.steps li.active .num{background:var(--accent);color:#04121f;border-color:var(--accent)}
.steps li.active .st-hint{display:block}
.steps li.done .num{background:var(--good);color:#04121f;border-color:var(--good)}
.steps li .st-count{font-size:11px;color:var(--tx3)}

/* measures */
.measures{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.measure{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:8px 10px}
.measure .k{font-size:11px;color:var(--tx3);text-transform:uppercase;letter-spacing:.04em}
.measure .v{font-size:18px;font-weight:700;margin-top:2px}
.measure .v small{font-size:11px;color:var(--tx3);font-weight:500}
.measure .sub{font-size:11px;color:var(--accent);margin-top:1px}
.measure.pending .v{color:var(--tx3)}
.bone-quality{display:none;align-items:flex-start;gap:9px;margin-top:10px;padding:9px 11px;border-radius:9px;font-size:12px;border:1px solid var(--line2)}
.bone-quality.bq-ok,.bone-quality.bq-watch,.bone-quality.bq-alert{display:flex}
.bone-quality .bq-icon{font-size:15px;line-height:1.2}
.bone-quality .bq-body{display:flex;flex-direction:column;gap:2px}
.bone-quality .bq-detail{color:var(--tx2)}
.bq-ok{background:rgba(56,211,159,.10);border-color:rgba(56,211,159,.35)}
.bq-ok .bq-icon{color:var(--excellent)}
.bq-watch{background:rgba(255,207,77,.10);border-color:rgba(255,207,77,.4)}
.bq-watch .bq-icon{color:var(--mod)}
.bq-alert{background:rgba(255,107,107,.12);border-color:rgba(255,107,107,.45)}
.bq-alert .bq-icon{color:var(--bad)}
.manual{margin-top:10px;font-size:12.5px;color:var(--tx2)}
.manual summary{cursor:pointer;color:var(--accent)}
.manual-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin:8px 0}
.manual-grid label{display:flex;flex-direction:column;font-size:11px;color:var(--tx3);gap:3px}
.manual-grid input{background:var(--bg);border:1px solid var(--line2);color:var(--tx);border-radius:6px;padding:6px}

/* classification result */
.class-result{border-radius:var(--radius);padding:14px;border:1px solid var(--line2);background:var(--panel2)}
.class-result.empty{color:var(--tx3);text-align:center;border-style:dashed}
.class-badge{display:inline-flex;align-items:baseline;gap:8px;font-size:26px;font-weight:800;letter-spacing:-.02em}
.class-badge .pct{font-size:12px;font-weight:600;color:var(--tx3)}
.class-sub{color:var(--tx2);margin:6px 0 10px;font-size:13px}
.chip-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.chip{font-size:11.5px;padding:3px 9px;border-radius:20px;background:var(--panel);border:1px solid var(--line2);color:var(--tx2)}
.chip b{color:var(--tx)}
.common-tag{display:inline-block;font-size:10.5px;padding:2px 8px;border-radius:6px;margin-top:8px}
.common-tag.yes{background:rgba(92,230,165,.14);color:var(--good)}
.common-tag.no{background:rgba(255,207,77,.13);color:var(--mod)}

/* recommendations */
.reco{padding:0 16px 26px}
.reco.hidden{display:none}
.reco>h2{font-size:16px;margin-bottom:6px}
.fixation-reco{display:none;max-width:900px;margin:0 0 12px;padding:11px 14px;border-radius:10px;border:1px solid var(--line2)}
.fixation-reco.fx-cementless,.fixation-reco.fx-cemented,.fixation-reco.fx-either{display:block}
.fixation-reco .fx-head{display:flex;align-items:center;gap:10px;font-size:15px}
.fixation-reco .fx-tag{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:3px 9px;border-radius:20px;background:rgba(255,255,255,.08)}
.fixation-reco .fx-reasons{margin:8px 0 0;padding-left:18px;font-size:12.5px;color:var(--tx2)}
.fixation-reco .fx-reasons li{margin-bottom:3px}
.fixation-reco .fx-caution{margin:8px 0 0;font-size:11.5px;color:var(--tx3);font-style:italic}
.fx-cementless{background:rgba(56,211,159,.10);border-color:rgba(56,211,159,.4)}
.fx-cementless .fx-tag{color:var(--excellent)}
.fx-either{background:rgba(255,207,77,.10);border-color:rgba(255,207,77,.4)}
.fx-either .fx-tag{color:var(--mod)}
.fx-cemented{background:rgba(77,163,255,.12);border-color:rgba(77,163,255,.45)}
.fx-cemented .fx-tag{color:var(--accent)}
.reco .evidence{color:var(--tx2);font-size:13px;max-width:900px;margin:0 0 12px;padding:10px 12px;background:var(--panel);border-left:3px solid var(--accent);border-radius:0 8px 8px 0}
.reco-controls{display:flex;align-items:center;gap:14px;margin-bottom:10px;font-size:12.5px}
.chk{color:var(--tx2);display:flex;align-items:center;gap:6px}
.reco-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.reco-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:13px;position:relative;overflow:hidden}
.reco-card .bar{position:absolute;left:0;top:0;bottom:0;width:4px}
.reco-card h4{font-size:15px;margin:0 0 2px;padding-left:6px}
.reco-card .man{color:var(--tx3);font-size:12px;padding-left:6px;margin-bottom:8px}
.reco-head{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.tier-pill{font-size:11px;font-weight:700;padding:3px 9px;border-radius:20px;white-space:nowrap}
.reco-score{font-size:12px;color:var(--tx3);padding-left:6px}
.geom-tag{display:inline-block;font-size:11px;font-weight:700;padding:2px 7px;border-radius:6px;background:var(--panel2);border:1px solid var(--line2);color:var(--accent);margin:6px 0 0 6px}
.reco-reasons{list-style:none;padding:0 0 0 6px;margin:8px 0 0;font-size:12px;color:var(--tx2)}
.reco-reasons li{padding-left:14px;position:relative;margin-bottom:2px}
.reco-reasons li:before{content:"›";position:absolute;left:2px;color:var(--accent)}
.reco-note{font-size:11.5px;color:var(--tx3);margin:8px 0 0;padding-left:6px;line-height:1.45}
.reco-flags{padding-left:6px;margin-top:6px}
.flag{display:inline-block;font-size:10.5px;padding:2px 7px;border-radius:6px;background:rgba(255,138,92,.14);color:var(--warn);margin-right:5px}
.studied-tag{font-size:10px;color:var(--excellent);padding-left:6px}

.tier-excellent{background:rgba(56,211,159,.16);color:var(--excellent)}
.tier-good{background:rgba(92,230,165,.14);color:var(--good)}
.tier-moderate{background:rgba(255,207,77,.14);color:var(--mod)}
.tier-caution{background:rgba(255,107,107,.15);color:var(--bad)}
.bar.tier-excellent{background:var(--excellent)}
.bar.tier-good{background:var(--good)}
.bar.tier-moderate{background:var(--mod)}
.bar.tier-caution{background:var(--bad)}

/* database */
.db{display:flex;flex-direction:column;height:calc(100vh - 150px);min-height:520px;padding:16px;gap:12px}
.db-toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.db-toolbar input,.db-toolbar select{background:var(--panel);border:1px solid var(--line2);color:var(--tx);border-radius:8px;padding:8px 10px}
.db-toolbar input[type=search]{min-width:240px;flex:1;max-width:360px}
.muted{color:var(--tx3);font-size:12px}
.table-scroll{overflow:auto;border:1px solid var(--line);border-radius:var(--radius);flex:1;min-height:0}
table{border-collapse:collapse;width:100%;font-size:13px}
thead th{position:sticky;top:0;background:var(--panel2);text-align:left;padding:10px 12px;border-bottom:1px solid var(--line2);white-space:nowrap;cursor:pointer;color:var(--tx2);font-weight:600}
thead th:hover{color:var(--tx)}
tbody td{padding:9px 12px;border-bottom:1px solid var(--line)}
tbody tr:hover{background:var(--panel)}
.gcode{font-weight:700;color:var(--accent)}
.pill{display:inline-block;font-size:11px;padding:1px 7px;border-radius:5px;background:var(--panel2);border:1px solid var(--line2);color:var(--tx2);margin:1px}
.conf-dot{display:inline-block;width:8px;height:8px;border-radius:50%}
.conf-authoritative{background:var(--excellent)}
.conf-high{background:var(--good)}
.conf-inferred{background:var(--mod)}

/* about */
.about{max-width:820px;margin:0 auto;padding:26px 20px;line-height:1.6}
.about h2{font-size:20px;margin-bottom:12px}
.about h3{font-size:15px;margin:22px 0 8px;color:var(--accent)}
.about ul{padding-left:20px}
.refs{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;margin-top:18px;font-size:13px}
.refs p{margin:6px 0;color:var(--tx2)}
.ref-central{background:linear-gradient(180deg,rgba(77,163,255,.12),rgba(77,163,255,.05));border:1px solid var(--accent2);border-radius:10px;padding:12px 14px;margin:6px 0 14px}
.ref-central-tag{display:inline-block;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);background:rgba(77,163,255,.15);padding:2px 9px;border-radius:20px;margin-bottom:6px}
.ref-central p{margin:0;color:var(--tx)}
.ref-central strong{color:var(--tx)}
.ref-group{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--accent);margin:14px 0 4px !important;font-weight:600}
.ref-list{margin:0;padding-left:22px;font-size:12.5px;color:var(--tx2)}
.ref-list li{margin-bottom:5px;line-height:1.45}
.disclaimer{background:rgba(255,138,92,.1);border:1px solid rgba(255,138,92,.3);border-radius:var(--radius);padding:12px 14px;font-size:12.5px;color:var(--tx2);margin-top:20px}

.app-footer{padding:10px 22px;border-top:1px solid var(--line);color:var(--tx3);font-size:12px;text-align:center}

/* ---------------- auth screen ---------------- */
#authScreen{position:fixed;inset:0;display:grid;grid-template-columns:1.1fr .9fr;overflow:auto;z-index:100;background:var(--bg)}
.auth-hero{background:radial-gradient(1200px 600px at 20% -10%,#1b3a5c,#0b0f14 60%);padding:40px;display:flex;flex-direction:column;justify-content:center;gap:20px}
.hero-banner{width:100%;max-width:620px;border-radius:16px;box-shadow:var(--shadow);display:block}
.btn.full.cta{max-width:440px;padding:15px;font-size:16px;font-weight:700;box-shadow:0 8px 24px rgba(77,163,255,.35)}
.hero-h{font-size:27px;font-weight:800;letter-spacing:-.015em;margin:6px 0 0;color:var(--tx);max-width:560px;line-height:1.18}
.hero-feats{list-style:none;padding:0;margin:4px 0 2px;display:flex;flex-direction:column;gap:9px;max-width:540px}
.hero-feats li{padding-left:28px;position:relative;color:var(--tx);font-size:14.5px}
.hero-feats li:before{content:"✓";position:absolute;left:0;top:-1px;color:var(--good);font-weight:800;font-size:16px}
.cta-note{color:var(--tx3);font-size:12px;margin:3px 0 0}
.auth-card-title{font-size:19px;margin:0 0 16px;color:var(--tx);font-weight:650}
.auth-switch{font-size:12.5px;color:var(--tx3);text-align:center;margin:14px 0 0}
.auth-switch a{color:var(--accent);font-weight:600}
.free-badge{font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:999px;background:rgba(230,160,30,.16);color:#c6851a;border:1px solid rgba(230,160,30,.35);white-space:nowrap}
.free-badge.ok{background:rgba(30,160,90,.16);color:#1f9b5a;border-color:rgba(30,160,90,.35)}
.btn.tiny{padding:3px 9px;font-size:11.5px;border-radius:7px;line-height:1.3}
.pw-note{font-size:13px;color:var(--tx2);background:rgba(230,160,30,.10);border:1px solid rgba(230,160,30,.25);border-radius:10px;padding:9px 12px;margin:0 0 12px}
.hero-links{display:flex;gap:10px;margin-top:4px}
.contact-line{font-size:12.5px;color:var(--tx3);margin:8px 0 0}
.contact-line a{color:var(--accent);font-weight:600}
/* About modal */
#aboutModal{position:fixed;inset:0;z-index:130;display:grid;place-items:center;padding:24px;background:rgba(4,10,18,.72)}
#aboutModal[hidden]{display:none}
.about-card{background:var(--panel);border:1px solid var(--line2);border-radius:16px;box-shadow:var(--shadow);max-width:640px;width:100%;max-height:86vh;overflow:auto;padding:26px 28px;position:relative}
.about-close{position:absolute;top:12px;right:16px;background:none;border:none;color:var(--tx2);font-size:26px;line-height:1;cursor:pointer}
.about-close:hover{color:var(--tx)}
.about-head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.about-logo{width:52px;height:52px;border-radius:13px;background:#fff;padding:4px}
.about-name{font-size:24px;font-weight:800;color:var(--tx);letter-spacing:-.01em}
.about-pw{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.about-body p{color:var(--tx2);font-size:14px;line-height:1.6;margin:0 0 12px}
.about-contact{color:var(--tx)!important}
.about-contact a{color:var(--accent);font-weight:600}
.auth-brand{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.auth-logo{width:100%;max-width:360px;background:#fff;border-radius:16px;padding:18px 22px;box-shadow:var(--shadow)}
.auth-sub{color:var(--tx2);margin:0;font-size:14px}
.auth-brand h1{font-size:22px}
.auth-brand p{color:var(--tx2);margin:4px 0 0}
.hero-fig{margin:0;background:#f6f8fa;border-radius:14px;padding:14px;box-shadow:var(--shadow);max-width:560px}
.hero-fig img{width:100%;border-radius:6px;display:block}
.hero-fig figcaption{color:#5b6875;font-size:11.5px;margin-top:8px;line-height:1.4}
.auth-authors{color:var(--accent);font-weight:650;letter-spacing:.04em;font-size:15px;margin:0}
.auth-panelwrap{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:30px;gap:12px}
.auth-card{background:var(--panel);border:1px solid var(--line2);border-radius:16px;box-shadow:var(--shadow);width:100%;max-width:440px;padding:24px}
.auth-tabs{display:flex;gap:6px;margin-bottom:18px;background:var(--bg);padding:4px;border-radius:10px}
.auth-tab{flex:1;background:transparent;border:none;color:var(--tx2);padding:9px;border-radius:8px;font-weight:600}
.auth-tab.active{background:var(--panel2);color:var(--tx)}
.auth-form{display:none;flex-direction:column;gap:12px}
.auth-form.active{display:flex}
.auth-form label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--tx2)}
.auth-form input,.auth-form select{background:var(--bg);border:1px solid var(--line2);color:var(--tx);border-radius:8px;padding:9px 10px;font:inherit}
.auth-form .two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.consent,.profile{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:12px;margin-top:4px}
.profile .two{margin-bottom:2px}
.consent-title{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--tx2);margin:0 0 8px;display:flex;justify-content:space-between}
.cver{color:var(--tx3);font-size:10px;letter-spacing:0}
.ck{display:flex !important;flex-direction:row !important;gap:8px;align-items:flex-start;font-size:12px;color:var(--tx2);margin-bottom:8px;line-height:1.4}
.ck input{margin-top:2px;flex:none}
.ck.optional{color:var(--accent);border-top:1px dashed var(--line2);padding-top:8px;margin-bottom:0}
.ck b{color:var(--tx)}
.terms-box{background:var(--bg);border:1px solid var(--line2);border-radius:10px;padding:14px;margin-top:10px;max-height:260px;overflow:auto;font-size:11.5px;line-height:1.5;color:var(--tx2)}
.terms-box h4{margin:0 0 8px;color:var(--tx);font-size:13px}
.terms-box p{margin:0 0 8px}
.terms-box b{color:var(--tx)}
.auth-err{color:var(--bad);font-size:12.5px;min-height:16px}
.btn.full{width:100%;justify-content:center;padding:11px;font-size:14px}
.auth-foot{color:var(--tx3);font-size:11.5px;max-width:440px;text-align:center}

/* paywall */
#paywall{position:fixed;inset:0;z-index:120;padding:24px;overflow:auto;
  background:radial-gradient(1000px 600px at 50% -10%,#1b3a5c,#0b0f14 60%)}
#paywall:not([hidden]){display:grid;place-items:center}
.paywall-card{background:var(--panel);border:1px solid var(--line2);border-radius:18px;box-shadow:var(--shadow);
  width:100%;max-width:440px;padding:30px 28px;text-align:center}
.pw-logo{width:66px;height:66px;object-fit:contain;background:#fff;border-radius:16px;padding:5px;box-shadow:var(--shadow)}
.paywall-card h2{font-size:24px;margin:14px 0 6px}
.pw-sub{color:var(--tx2);font-size:13.5px;line-height:1.55;margin:0 0 18px}
.pw-price{font-size:40px;font-weight:800;letter-spacing:-.02em;margin-bottom:16px}
.pw-price small{font-size:14px;font-weight:600;color:var(--tx3);letter-spacing:0}
.pw-err{color:var(--bad);font-size:12.5px;min-height:16px;margin-top:8px}
.btn.full.paypal{background:#ffc439;color:#111c33;margin-top:10px}
.btn.full.paypal:hover{background:#ffb800}
#pwRefresh{margin-top:12px}
.pw-foot{color:var(--tx3);font-size:11.5px;margin-top:16px}
.pw-foot a{color:var(--accent)}

/* user chip */
.user-chip{display:flex;align-items:center;gap:10px;color:var(--tx2);font-size:12.5px}

/* calibration card */
.panel-section.calib{border-color:var(--accent2)}
.mini{font-size:11.5px;color:var(--tx3);margin:0 0 10px;line-height:1.45}
.calib-grid{display:grid;grid-template-columns:1fr .7fr;gap:8px;margin-bottom:8px}
.calib-grid label{display:flex;flex-direction:column;gap:3px;font-size:11px;color:var(--tx3)}
.calib-grid select,.calib-grid input{background:var(--bg);border:1px solid var(--line2);color:var(--tx);border-radius:6px;padding:6px}
.pill.ok{background:rgba(56,211,159,.16);color:var(--excellent);border:none}
.pill.warn{background:rgba(255,138,92,.16);color:var(--warn);border:none}
h2 .pill{font-size:10.5px;font-weight:700;padding:2px 8px;border-radius:20px;float:right;text-transform:none;letter-spacing:0}

/* reference figures */
.ref-fig{margin:14px 0;background:#f6f8fa;border-radius:12px;padding:12px}
.ref-fig img{width:100%;border-radius:6px;display:block}
.ref-fig figcaption{color:#5b6875;font-size:11.5px;margin-top:8px}

/* admin */
.admin-stats{display:flex;gap:14px;flex-wrap:wrap;margin:12px 0 20px}
.stat{background:var(--panel);border:1px solid var(--line2);border-radius:12px;padding:14px 20px;min-width:130px}
.stat-n{font-size:26px;font-weight:800;color:var(--accent)}
.stat-l{font-size:12px;color:var(--tx2);margin-top:2px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;color:var(--tx2)}
.reccell{font-size:11.5px;color:var(--tx2);max-width:260px}
.imglink{color:var(--accent);font-weight:600;font-size:12px}
.admin-stats + h3, .about h3{margin-top:18px}

/* formulary */
.col-mine{text-align:center;width:52px}
th.col-mine{font-size:11px}
.stock-cb{width:16px;height:16px;cursor:pointer;accent-color:var(--accent)}
.form-controls{display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap;padding:4px 8px;background:var(--panel);border:1px solid var(--line2);border-radius:10px}
#formularySelect{background:var(--bg);border:1px solid var(--line2);color:var(--tx);border-radius:7px;padding:6px 8px;max-width:180px}
.form-controls .btn.small{padding:5px 9px}
.formulary-hint{margin:0 0 4px}
#formularyCount{margin-left:2px}
.reco-empty{color:var(--tx2);background:var(--panel);border:1px dashed var(--line2);border-radius:10px;padding:16px;font-size:13px}
.db-toolbar .chk{color:var(--tx2);font-size:12.5px;display:flex;align-items:center;gap:6px;white-space:nowrap}

@media (max-width:900px){
  .workspace{grid-template-columns:1fr;height:auto}
  .app-header{flex-direction:column;align-items:flex-start}
  #authScreen{grid-template-columns:1fr}
  .auth-hero{padding:22px 18px;gap:14px}
  .hero-banner{max-width:100%}
  .auth-panelwrap{padding:8px 18px 30px}
}