:root{
  --bg:#07131c;
  --panel:#10202d;
  --text:#e6f4f7;
  --muted:#8fb5bf;
  --accent:#69e2c2;
  --warm:#f4c26b;
  --line:rgba(125,211,252,.18);
  --shadow:0 20px 70px rgba(0,0,0,.35);
  --radius:28px;
  --font-main:"IBM Plex Sans","Noto Sans SC","Microsoft YaHei UI",sans-serif;
  --font-display:"Avenir Next","Segoe UI Semibold","Noto Sans SC",sans-serif;
}

*{box-sizing:border-box}
html,body{
  margin:0;
  min-height:100%;
  background:
    radial-gradient(circle at top left, rgba(52,211,153,.18), transparent 28%),
    radial-gradient(circle at top right, rgba(103,232,249,.15), transparent 22%),
    linear-gradient(180deg, #061019 0%, #09161f 44%, #050b10 100%);
  color:var(--text);
  font-family:var(--font-main);
}
body{padding:20px}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
.site-shell{max-width:1380px;margin:0 auto}
.site-header{
  display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0 24px;
}
.brand{display:flex;align-items:center;gap:14px}
.brand-mark{
  width:18px;height:18px;border-radius:50%;
  background:linear-gradient(135deg, var(--accent) 0%, #4ec5ff 100%);
  box-shadow:0 0 0 8px rgba(105,226,194,.1);
}
.brand-copy{display:flex;flex-direction:column;gap:2px}
.brand-copy strong{font-family:var(--font-display);font-size:20px;letter-spacing:.04em}
.brand-copy span,.header-note,.lede,.microcopy,.viewer-hint,.sidebar-note,.query-strip,.result-body p,.study-meta p{color:var(--muted)}
.eyebrow{color:var(--warm);text-transform:uppercase;letter-spacing:.18em;font-size:12px;margin-bottom:14px}
.home-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:24px}
.patient-home{grid-template-columns:minmax(0,860px);justify-content:center}
.admin-shell{display:grid;gap:24px}
.admin-panel .status-panel{margin-top:18px}
.hero-card,.status-panel,.recent-section,.result-card,.empty-state,.viewer-stage,.viewer-sidebar,.status-card,.study-card,.empty-card,.info-card{
  background:linear-gradient(180deg, rgba(16,32,45,.96), rgba(10,21,30,.94));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.hero-card,.viewer-stage,.viewer-sidebar,.recent-section,.empty-state{border-radius:var(--radius)}
.hero-card{padding:38px}
.hero-card h1,.results-header h1,.study-title h1{margin:0;font-family:var(--font-display);font-size:clamp(30px,5vw,60px);line-height:1.02}
.search-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:30px 0 18px}
.single-form{grid-template-columns:1fr}
.search-form label,.control-row label{display:flex;flex-direction:column;gap:8px}
.search-form input,.control-row input{
  background:rgba(5,12,18,.65);color:var(--text);border:1px solid rgba(143,181,191,.22);border-radius:16px;padding:16px 18px;
}
.search-form button,.primary-link,.viewer-toolbar button,.ghost-button{
  border:none;cursor:pointer;border-radius:16px;transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.search-form button{
  grid-column:1 / -1;padding:18px 20px;color:#03221d;font-weight:700;
  background:linear-gradient(135deg, var(--accent) 0%, #a7f3d0 100%);
  box-shadow:0 14px 30px rgba(52,211,153,.22);
}
.search-form button:hover,.primary-link:hover,.viewer-toolbar button:hover,.ghost-button:hover{transform:translateY(-1px)}
.alert{
  padding:14px 16px;border-radius:16px;background:rgba(244,194,107,.12);border:1px solid rgba(244,194,107,.3);color:#ffe6ba;
}
.status-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:18px;border-radius:var(--radius)}
.status-card,.info-card{padding:20px;border-radius:22px}
.status-card span,.info-card .label{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}
.status-card strong,.info-card strong{font-size:24px;line-height:1.2}
.recent-section{margin-top:24px;padding:28px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-head h2{margin:0;font-size:30px}
.ghost-button{
  padding:12px 18px;background:rgba(105,226,194,.08);color:var(--text);border:1px solid rgba(105,226,194,.26);
}
.recent-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.study-card,.result-card{overflow:hidden}
.study-card{border-radius:24px}
.study-preview,.result-preview{
  min-height:170px;background-color:#081118;background-size:cover;background-position:center;position:relative;
}
.study-preview::after,.result-preview::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg, transparent 0%, rgba(2,5,8,.45) 100%);
}
.study-meta,.result-body{padding:18px}
.meta-top,.result-topline{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px}
.study-meta h3,.result-body h2{margin:12px 0 8px;font-size:24px}
.empty-card,.empty-state{padding:30px;text-align:center;color:var(--muted)}
.results-shell{display:grid;gap:24px}
.results-header{padding:10px 4px 0}
.query-strip{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px}
.results-list{display:grid;gap:18px}
.result-card{display:grid;grid-template-columns:320px minmax(0,1fr) auto;border-radius:28px}
.result-actions{display:flex;align-items:center;padding:20px}
.result-actions form{margin:0}
.primary-link{
  display:inline-flex;align-items:center;justify-content:center;min-width:150px;padding:14px 18px;
  background:linear-gradient(135deg, #4fd1c5, #8be9fd);color:#04131e;font-weight:700;
}
.inline-link{
  color:var(--accent);
  text-decoration:underline;
  text-underline-offset:3px;
}
.pill{
  display:inline-flex;padding:4px 10px;border-radius:999px;background:rgba(105,226,194,.1);border:1px solid rgba(105,226,194,.25);
}
.as-link{display:inline-flex}
.viewer-shell{display:grid;grid-template-columns:minmax(0,1fr);gap:20px}
.viewer-stage{padding:20px}
.viewer-stage-full{padding:18px}
.viewer-header{display:grid;gap:10px;margin-bottom:14px}
.compact-title h1{font-size:clamp(24px,4vw,38px)}
.study-meta-inline{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:13px}
.study-meta-inline span{
  padding:6px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}
.viewer-toolbar{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:18px}
.admin-actions{display:flex;gap:10px;flex-wrap:wrap}
.series-toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;flex:1 1 280px}
.series-select{display:flex;align-items:center;gap:10px;color:var(--muted);width:100%}
.series-select select{
  background:rgba(5,12,18,.78);color:var(--text);border:1px solid rgba(143,181,191,.22);border-radius:14px;padding:10px 12px;min-width:220px;width:100%;
}
.viewer-viewport{
  position:relative;overflow:hidden;border-radius:28px;min-height:68vh;
  background:
    linear-gradient(135deg, rgba(12,24,34,.92), rgba(4,10,15,.96)),
    repeating-linear-gradient(90deg, transparent 0 18px, rgba(143,181,191,.02) 18px 19px);
  border:1px solid rgba(143,181,191,.12);
}
.viewer-viewport:fullscreen{
  border-radius:0;
  min-height:100vh;
}
.viewer-floating{
  position:absolute;
  top:14px;
  right:14px;
  z-index:5;
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:10px;
  max-width:min(320px, calc(100vw - 40px));
}
.floating-toggle{
  border:none;
  cursor:pointer;
  border-radius:999px;
  padding:10px 14px;
  background:rgba(4,10,15,.82);
  color:var(--text);
  border:1px solid rgba(143,181,191,.24);
  backdrop-filter:blur(14px);
}
.floating-panel{
  width:min(320px, calc(100vw - 40px));
  max-height:calc(100vh - 120px);
  overflow:auto;
  padding:12px;
  border-radius:22px;
  background:rgba(4,10,15,.86);
  border:1px solid rgba(143,181,191,.18);
  backdrop-filter:blur(18px);
  box-shadow:0 18px 50px rgba(0,0,0,.28);
}
.viewer-floating.collapsed .floating-panel{display:none}
.floating-section + .floating-section{margin-top:10px}
.floating-title{
  color:var(--warm);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-bottom:8px;
}
.floating-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:8px;
}
.floating-grid button{
  border:none;
  cursor:pointer;
  border-radius:14px;
  padding:10px 8px;
  min-height:42px;
  background:rgba(255,255,255,.05);
  color:var(--text);
  border:1px solid rgba(255,255,255,.08);
  font-size:13px;
}
.floating-grid button.active{background:rgba(105,226,194,.16);border-color:rgba(105,226,194,.4)}
.overlay-select select{font-size:13px}
.compact-note{
  padding:10px 12px;
  border-radius:16px;
  background:rgba(105,226,194,.08);
  border:1px solid rgba(105,226,194,.18);
  color:var(--text);
  font-size:13px;
  line-height:1.5;
}
.pan-stage{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;transform-origin:center center;touch-action:none;will-change:transform;
}
.zoom-stage{
  display:flex;align-items:center;justify-content:center;transform-origin:center center;will-change:transform;
}
#viewer-image{max-width:100%;max-height:100%;object-fit:contain;user-select:none;-webkit-user-drag:none}
.measure-layer{position:absolute;inset:0;pointer-events:none;display:block}
.measure-layer line,.measure-layer polyline,.measure-layer rect{
  vector-effect:non-scaling-stroke;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.measure-label rect{fill:rgba(4,10,15,.82);stroke:rgba(105,226,194,.38);stroke-width:1}
.measure-label text{fill:#ecfeff;font-size:12px;font-family:var(--font-main)}
.viewer-overlay{position:absolute;top:18px;right:18px;display:flex;gap:10px;z-index:2}
.viewer-overlay span{
  padding:8px 12px;background:rgba(4,10,15,.72);border:1px solid rgba(143,181,191,.18);border-radius:999px;backdrop-filter:blur(12px);
}
.viewer-footer{margin-top:14px;display:grid;gap:10px}
#slice-slider{
  width:100%;
  accent-color:var(--accent);
}
.viewer-sidebar{padding:20px;display:grid;align-content:start;gap:14px}
.info-card.wide{grid-column:1 / -1}
.sidebar-note{padding:18px;border-radius:22px;background:rgba(105,226,194,.06);border:1px solid rgba(105,226,194,.14)}
.log-group + .log-group{margin-top:18px}
.log-date{margin:0 0 14px;font-size:20px;color:var(--warm)}
.log-summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.log-summary-card{
  display:grid;
  gap:16px;
  padding:22px;
  border-radius:24px;
  text-decoration:none;
  color:var(--text);
  background:linear-gradient(180deg, rgba(18,35,49,.96), rgba(11,22,31,.96));
  border:1px solid rgba(105,226,194,.14);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.log-summary-card:hover{
  transform:translateY(-2px);
  border-color:rgba(105,226,194,.3);
  box-shadow:0 18px 42px rgba(0,0,0,.28);
}
.log-summary-top{display:flex;align-items:center;justify-content:space-between;gap:16px}
.log-summary-top h3{margin:0;font-size:28px}
.log-summary-stats,.log-day-highlight{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.log-summary-metric,.log-day-metric{
  padding:16px 18px;
  border-radius:20px;
  background:rgba(105,226,194,.06);
  border:1px solid rgba(105,226,194,.12);
}
.log-summary-metric span,.log-day-metric span{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}
.log-summary-metric strong,.log-day-metric strong{font-size:26px;line-height:1.1}
.log-table{display:grid;gap:10px}
.log-row{
  display:grid;
  grid-template-columns:180px 100px 140px minmax(160px,1fr) minmax(180px,1.2fr);
  gap:12px;
  padding:14px 16px;
  border-radius:18px;
  background:rgba(5,12,18,.45);
  border:1px solid rgba(143,181,191,.12);
  align-items:center;
}
.log-head{color:var(--muted);font-size:13px}
.report-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:20px}
.report-block{
  padding:22px;border-radius:24px;background:rgba(5,12,18,.45);border:1px solid rgba(143,181,191,.12);margin-top:18px;
}
.report-block h3{margin-top:0}
.report-block pre{
  margin:0;
  white-space:pre-wrap;
  word-break:break-word;
  font-family:var(--font-main);
  color:var(--text);
  line-height:1.7;
}
@media (max-width:1100px){
  .home-grid,.viewer-shell,.result-card{grid-template-columns:1fr}
  .result-preview{min-height:220px}
  .result-actions{padding-top:0}
  .report-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .log-row{grid-template-columns:1fr}
}
@media (max-width:820px){
  body{padding:14px}
  .site-header,.section-head{flex-direction:column;align-items:flex-start}
  .search-form,.status-panel,.recent-grid,.log-summary-stats,.log-day-highlight{grid-template-columns:1fr}
  .hero-card,.recent-section,.viewer-stage,.viewer-sidebar{padding:18px;border-radius:24px}
  .viewer-stage-full{padding:14px}
  .viewer-viewport{min-height:72vh}
  .study-meta-inline{gap:8px}
  .study-meta-inline span{font-size:12px;padding:5px 8px}
  .viewer-floating{top:10px;right:10px;max-width:calc(100vw - 28px)}
  .floating-panel{width:calc(100vw - 28px);max-height:58vh}
  .floating-grid button{font-size:12px;min-height:40px;padding:9px 8px}
  .viewer-overlay{top:auto;bottom:12px;right:12px;left:12px;justify-content:space-between}
  .viewer-overlay span{padding:7px 10px;font-size:12px}
}
@media (max-width:560px){
  .floating-grid{grid-template-columns:1fr 1fr}
  .compact-title h1{font-size:24px}
  .viewer-hint{font-size:12px}
}