:root{--navy:#103d60;--teal:#187786;--bronze:#927153;--text:#4d6673;--muted:#6f828c;--line:#d5e1e6;--line2:#bcd1da;--pale:#f5f9fa;--hover:#eef8f8}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--text);font:16px/1.62 Verdana,Geneva,Tahoma,sans-serif}
button,input,select{font:inherit}button{cursor:pointer}a{color:inherit}[hidden]{display:none!important}
.qed-wrap{width:min(1080px,calc(100% - 40px));margin:auto}
.qed-topbar{border-bottom:1px solid var(--line);background:#fff}
.qed-topbar-inner{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.qed-brand,.qed-site-link{font-weight:700;text-decoration:none}.qed-brand{color:var(--navy)}.qed-site-link{color:var(--teal);font-size:15px}
.qed-brand:hover,.qed-site-link:hover{text-decoration:underline;text-underline-offset:4px}
.qed-hero{padding:48px 0 32px;display:grid;grid-template-columns:minmax(0,1fr) 235px;gap:42px;align-items:start}
.qed-hero-copy{min-width:0}
.qed-kicker,.qed-section-label{margin:0 0 9px;color:var(--bronze);font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.qed-square{display:inline-block;width:9px;height:9px;margin-right:8px;border:2px solid var(--bronze);vertical-align:0}
.qed-hero h1{margin:0;color:var(--navy);font-size:clamp(2.8rem,6vw,4.7rem);line-height:1;letter-spacing:-.04em}
.qed-intro{max-width:720px;margin:18px 0 0;color:var(--muted);font-size:17px;line-height:1.7}
.qed-meaning{display:inline-grid;grid-template-columns:18px minmax(0,1fr);gap:12px;align-items:start;margin:22px 0 0;padding:14px 17px;border-left:3px solid var(--bronze);border-radius:0 12px 12px 0;background:#f8fafb;transition:background .12s ease}
.qed-meaning:hover{background:#f0f7f7}
.qed-meaning-square{display:block;width:15px;height:15px;margin-top:5px;border:2px solid var(--bronze)}
.qed-meaning p{margin:0;color:var(--navy);font-size:16px;font-style:italic;font-weight:700}
.qed-meaning span:not(.qed-meaning-square){display:block;margin-top:2px;color:var(--muted);font-size:14px}
.qed-hero-art{width:235px;margin:4px 0 0;overflow:hidden;border:1px solid var(--line);border-radius:22px;background:var(--pale);transition:border-color .12s ease,background .12s ease,transform .12s ease}
.qed-hero-art:hover{border-color:var(--teal);background:var(--hover);transform:translateY(-1px)}
.qed-hero-art img{display:block;width:100%;height:auto}
.qed-search-panel{margin-bottom:46px;padding:19px;border:1px solid var(--line2);border-radius:18px;background:#fff;transition:border-color .12s ease,background .12s ease}
.qed-search-panel:hover,.qed-search-panel:focus-within{border-color:var(--teal);background:#fbfefe}
.qed-search-label{display:block;margin-bottom:7px;color:var(--navy);font-size:14px;font-weight:700}
.qed-search-row{display:grid;grid-template-columns:minmax(0,1fr) 116px;gap:10px}
.qed-input-wrap{position:relative;border:1px solid var(--line2);border-radius:12px;background:#fff;transition:border-color .12s ease,background .12s ease}
.qed-input-wrap:hover{border-color:var(--teal);background:var(--hover)}
.qed-input-wrap:focus-within{border-color:var(--teal);background:#fff;box-shadow:0 0 0 3px rgba(24,119,134,.1)}
.qed-input-wrap input{width:100%;min-height:56px;padding:12px 48px 12px 15px;border:0;border-radius:inherit;outline:0;background:transparent;color:var(--navy);font-size:16px}
.qed-input-wrap input::placeholder{color:#7e919b}
.qed-clear{position:absolute;top:50%;right:9px;width:34px;height:34px;transform:translateY(-50%);border:0;border-radius:50%;background:transparent;color:var(--muted);font-size:20px;line-height:1}
.qed-clear:hover,.qed-clear:focus-visible{background:#e7f3f3;color:var(--navy)}
.qed-search-button,.qed-more{border:1px solid var(--teal);border-radius:11px;background:var(--teal);color:#fff;font-weight:700;transition:background .1s ease,border-color .1s ease,transform .08s ease}
.qed-search-button{min-height:56px;padding:10px 18px}
.qed-search-button:hover,.qed-search-button:focus-visible{background:var(--navy);border-color:var(--navy)}
.qed-search-button:active{transform:translateY(2px);background:#0c324f;box-shadow:inset 0 2px 4px rgba(0,0,0,.18)}
.qed-search-help{margin:8px 0 0;color:var(--muted);font-size:14px}.qed-search-help kbd{padding:1px 5px;border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;background:var(--pale);font-size:13px}
.qed-examples{display:flex;flex-wrap:wrap;gap:7px;margin-top:13px}
.qed-examples button{padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:var(--pale);color:var(--text);font-size:14px;font-weight:700;transition:border-color .12s ease,background .12s ease,color .12s ease}
.qed-examples button:hover,.qed-examples button:focus-visible{border-color:var(--teal);background:var(--hover);color:var(--teal)}
.qed-examples button:active{background:#dceeee}
.qed-filter-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) auto;gap:10px;align-items:end;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.qed-filter-grid label{min-width:0}.qed-filter-grid label span{display:block;margin-bottom:5px;color:var(--navy);font-size:14px;font-weight:700}
.qed-filter-grid select{width:100%;min-height:44px;padding:8px 30px 8px 10px;border:1px solid var(--line);border-radius:10px;outline:0;background:#fff;color:var(--navy);font-size:15px;transition:border-color .12s ease,background .12s ease}
.qed-filter-grid select:hover{border-color:var(--teal);background:var(--hover)}
.qed-filter-grid select:focus{border-color:var(--teal);background:#fff;box-shadow:0 0 0 3px rgba(24,119,134,.09)}
.qed-reset{min-height:44px;padding:8px 14px;border:1px solid var(--line);border-radius:10px;background:var(--pale);color:var(--text);font-size:14px;font-weight:700;transition:border-color .12s ease,background .12s ease,color .12s ease,transform .08s ease}
.qed-reset:hover,.qed-reset:focus-visible{border-color:var(--teal);background:var(--hover);color:var(--teal)}
.qed-reset:active{transform:translateY(1px);background:#dceeee}
.qed-results-section{max-width:940px;margin:auto;padding-bottom:70px}
.qed-results-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:16px}
.qed-results-head h2{margin:0;color:var(--navy);font-size:clamp(1.45rem,3vw,2rem);line-height:1.25}
.qed-status{margin:0 0 3px;color:var(--muted);font-size:14px;text-align:right}
.qed-results{display:grid;gap:13px}
.qed-card{padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff;transition:border-color .12s ease,background .12s ease,transform .12s ease}
.qed-card:hover,.qed-card:focus-within{border-color:var(--teal);background:var(--hover);transform:translateY(-1px)}
.qed-card-meta{display:flex;flex-wrap:wrap;gap:6px}.qed-badge{padding:4px 7px;border-radius:999px;background:#eaf2f4;color:#506a76;font-size:13px;font-weight:700}
.qed-card-title{margin:10px 0 0;font-size:18px;line-height:1.4}.qed-card-title a{color:var(--navy);text-decoration:none}
.qed-card-title a:hover,.qed-card-title a:focus-visible{text-decoration:underline;text-underline-offset:3px}
.qed-card-summary{margin:9px 0 0;color:var(--text);font-size:15px;line-height:1.65}
.qed-card-result{margin-top:12px;padding:10px 12px;border-left:3px solid var(--bronze);border-radius:0 9px 9px 0;background:#f8fafb}
.qed-card-result-label{display:block;color:var(--bronze);font-size:13px;font-weight:700;text-transform:uppercase}
.qed-card-result-value{margin-top:3px;color:var(--navy);font:700 16px/1.55 "Cambria Math",Georgia,serif;overflow-wrap:anywhere}
.qed-card-footer{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:13px;padding-top:12px;border-top:1px solid var(--line)}
.qed-card-method{margin:0;color:var(--muted);font-size:14px}
.qed-open{display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;padding:7px 11px;border:1px solid rgba(24,119,134,.35);border-radius:999px;background:#f1f8f8;color:var(--teal);font-size:14px;font-weight:700;text-decoration:none;transition:background .1s ease,border-color .1s ease,color .1s ease,transform .08s ease}
.qed-open:hover,.qed-open:focus-visible,.qed-card:hover .qed-open,.qed-card:focus-within .qed-open{border-color:var(--teal);background:var(--teal);color:#fff}
.qed-open:active{transform:translateY(1px);background:var(--navy);border-color:var(--navy)}
.qed-empty{padding:24px;border:1px solid var(--line);border-radius:16px;background:var(--pale);font-size:15px}.qed-empty strong{display:block;margin-bottom:4px;color:var(--navy);font-size:16px}
.qed-more{display:block;min-height:44px;margin:18px auto 0;padding:8px 18px;background:#fff;color:var(--teal);font-size:14px}
.qed-more:hover,.qed-more:focus-visible{background:var(--teal);color:#fff}.qed-more:active{transform:translateY(1px);background:var(--navy);border-color:var(--navy)}
.qed-footer{border-top:4px solid var(--bronze);background:var(--navy);color:rgba(255,255,255,.8)}
.qed-footer-inner{padding:42px 0 38px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:54px}
.qed-footer-brand{display:inline-block;color:#fff;font-size:16px;font-weight:700;text-decoration:none}
.qed-footer-about p{max-width:610px;margin:10px 0 0;font-size:14px}.qed-copyright{color:rgba(255,255,255,.6)}
.qed-footer-heading{margin:0 0 12px;color:#fff;font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.qed-legal-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px 18px}
.qed-legal a{width:fit-content;color:rgba(255,255,255,.82);font-size:14px;text-decoration:none}
.qed-footer-brand:hover,.qed-footer-brand:focus-visible,.qed-legal a:hover,.qed-legal a:focus-visible{color:#fff;text-decoration:underline;text-underline-offset:4px}
button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid rgba(24,119,134,.22);outline-offset:2px}
@media(max-width:760px){.qed-hero{grid-template-columns:1fr;padding-top:36px}.qed-hero-art{width:min(58vw,205px);justify-self:center}.qed-search-row,.qed-filter-grid{grid-template-columns:1fr}.qed-search-button,.qed-reset{width:100%}.qed-results-head,.qed-card-footer{align-items:flex-start;flex-direction:column}.qed-status{text-align:left}.qed-footer-inner{grid-template-columns:1fr;gap:28px}}
@media(max-width:520px){.qed-wrap{width:min(100% - 24px,1080px)}.qed-hero{padding:30px 0 25px}.qed-search-panel{padding:14px;border-radius:15px}.qed-card{padding:16px}.qed-legal-links{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;transform:none!important}}