/* ============================================
   Reasoning GP — Workup Tool styles
   Reuses .tr-* (triage) and .dx-* (diagnostic) styles.
   This file adds the combined-layout shell.
   ============================================ */

.wu{
  background: var(--surface, #fff);
  border: 1px solid var(--line, #e2e8f0);
  border-radius: var(--r-lg, 12px);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  margin: 14px 0 18px;
}

/* HEAD */
.wu-head{
  display: flex; align-items: flex-end; justify-content: space-between; gap: 18px;
  padding: 16px 20px 14px;
  background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.wu-head-l{ flex: 1; min-width: 260px; }
.wu-eyebrow{
  font-size: 11.5px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--rust);
}
.wu-title{
  font-family: 'Source Serif 4', serif; font-weight: 500;
  font-size: 26px; line-height: 1.2; margin-top: 6px; color: var(--ink);
}
.wu-sub{ color: var(--ink-2); font-size: 13.5px; margin-top: 8px; line-height: 1.55; max-width: 64ch; }
.wu-sub b{ color: var(--ink); font-weight: 600; }
.wu-source-pill{
  display: inline-block; margin-top: 10px;
  font-size: 11.5px; font-weight: 600;
  color: var(--teal); background: var(--teal-soft); border: 1px solid var(--teal-soft);
  padding: 3px 10px; border-radius: 99px;
}
.wu-head-r{
  display: flex; flex-direction: column; gap: 8px; align-items: flex-end;
}
.wu-modes-avail{ display: flex; gap: 6px; }
.wu-mode-badge{
  font-size: 11px; font-weight: 700; letter-spacing: .03em;
  padding: 3px 9px; border-radius: 99px;
}
.wu-mb-tr{ background: #fef4f2; color: #b91c1c; border: 1px solid #fecaca; }
.wu-mb-dx{ background: var(--teal-soft); color: var(--teal); border: 1px solid var(--teal-soft); }
.wu-dx-view-toggle{
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line-2); border-radius: 8px;
  background: var(--surface); padding: 3px 3px 3px 8px;
}
.wu-dx-view-lbl{ font-size: 11px; color: var(--muted); font-weight: 600; }
.wu-dx-view-toggle button{
  font-family: inherit; font-size: 12px; font-weight: 600;
  padding: 4px 9px; border: none; background: transparent; border-radius: 5px;
  cursor: pointer; color: var(--muted); transition: .15s ease;
}
.wu-dx-view-toggle button.active{ background: var(--teal); color: #f6f2e9; }
.wu-dx-view-toggle button:not(.active):hover{ color: var(--ink); }
.wu-trail-toggle{
  font-size: 11.5px; color: var(--muted); display: inline-flex;
  align-items: center; gap: 5px; cursor: pointer;
}
.wu-trail-toggle input{ accent-color: var(--teal); }

/* TOPIC PICKER */
.wu-topic-picker{
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 12px 20px;
  background: var(--surface-2); border-bottom: 1px solid var(--line);
}
.wu-topic-picker-label{
  font-size: 11px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted);
}
.wu-topic-pills{ display: flex; flex-wrap: wrap; gap: 6px; }
.wu-topic-pill{
  display: inline-flex; align-items: center; gap: 6px;
  font-family: inherit; font-size: 13px; font-weight: 600;
  padding: 6px 12px 6px 14px; border-radius: 99px;
  border: 1px solid var(--line-2); background: var(--surface); color: var(--ink-2);
  cursor: pointer; transition: .15s ease;
}
.wu-topic-pill:hover{ border-color: var(--rust); color: var(--rust); }
.wu-topic-pill.active{ background: var(--rust); color: #fff; border-color: var(--rust); }
.wu-tp-flag{
  font-size: 11px; opacity: .85; line-height: 1;
}
.wu-topic-pill.active .wu-tp-flag{ opacity: 1; }

/* BODY */
.wu-body{
  display: grid; grid-template-columns: 320px 1fr; gap: 0;
  min-height: 540px;
}
@media (max-width: 960px){
  .wu-body{ grid-template-columns: 1fr; }
}

/* INPUTS PANEL */
.wu-inputs{
  background: var(--surface-2);
  border-right: 1px solid var(--line);
  padding: 16px 18px;
  overflow-y: auto;
  max-height: 80vh;
}
@media (max-width: 960px){
  .wu-inputs{ border-right: none; border-bottom: 1px solid var(--line); max-height: none; }
}
.wu-inputs-head{
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  margin-bottom: 10px;
}
.wu-inputs-head h4{
  font-size: 11.5px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted); margin: 0;
}
.wu-reset{
  font-family: inherit; font-size: 11.5px; font-weight: 600; color: var(--rust);
  background: transparent; border: 1px solid var(--rust-soft); border-radius: 99px;
  padding: 3px 10px; cursor: pointer; transition: .15s ease;
}
.wu-reset:hover{ background: var(--rust); color: #fff; border-color: var(--rust); }

.wu-igroup{ margin-bottom: 14px; }
.wu-igroup-t{
  font-size: 10.5px; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--teal);
  margin-bottom: 6px; padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
}
.wu-iopts{ display: flex; flex-direction: column; gap: 1px; }

.wu-iopt{
  display: flex; align-items: flex-start; gap: 8px;
  padding: 5px 8px; border-radius: 6px; cursor: pointer;
  font-size: 13px; line-height: 1.4; color: var(--ink-2);
  transition: background .12s ease;
}
.wu-iopt:hover{ background: var(--surface); }
.wu-iopt input{ margin-top: 3px; accent-color: var(--teal); flex-shrink: 0; }
.wu-iopt-lbl{ flex: 1; }
.wu-iopt-note{
  display: block; font-size: 11px; color: var(--muted); margin-top: 1px; line-height: 1.35;
}
.wu-iopt:has(input:checked){ background: var(--teal-soft); color: var(--teal); }
.wu-iopt:has(input:checked) .wu-iopt-note{ color: var(--teal-3); }

.wu-inum{
  display: grid; grid-template-columns: 1fr 70px 36px; gap: 8px; align-items: center;
  padding: 5px 8px; border-radius: 6px; font-size: 13px;
}
.wu-inum-l{ flex: 1; color: var(--ink-2); line-height: 1.35; }
.wu-inum-l small{ display: block; font-size: 11px; color: var(--muted); margin-top: 1px; }
.wu-inum input{
  font-family: inherit; font-size: 13px;
  padding: 4px 8px; border-radius: 6px; border: 1px solid var(--line-2);
  background: var(--surface); text-align: right; color: var(--ink);
  outline: none; width: 100%;
}
.wu-inum input:focus{ border-color: var(--teal-3); }
.wu-inum-unit{ font-size: 11px; color: var(--muted); }

.wu-iselect{ padding: 5px 8px; font-size: 13px; }
.wu-iselect-l{ color: var(--ink-2); margin-bottom: 4px; }
.wu-iselect-l small{ display: block; font-size: 11px; color: var(--muted); margin-top: 2px; }
.wu-iselect select{
  font-family: inherit; font-size: 13px;
  padding: 5px 8px; border-radius: 6px; border: 1px solid var(--line-2);
  background: var(--surface); color: var(--ink); outline: none; width: 100%;
}
.wu-iselect select:focus{ border-color: var(--teal-3); }

/* VERDICT */
.wu-verdict{ padding: 18px 20px; overflow-y: auto; max-height: 80vh; }
@media (max-width: 960px){ .wu-verdict{ max-height: none; } }

.wu-empty{
  padding: 50px 20px; text-align: center; color: var(--muted);
  font-size: 13.5px; line-height: 1.55;
  border: 2px dashed var(--line); border-radius: var(--r-md);
}
.wu-empty .wu-empty-ic{ font-size: 32px; display: block; margin-bottom: 10px; opacity: .6; }
.wu-empty b{ color: var(--ink-2); }

.wu-patient{
  background: var(--teal); color: #f3ede0; border-radius: var(--r-md);
  padding: 14px 16px; margin-bottom: 14px;
}
.wu-patient h4{
  font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: #a8c9c5; margin: 0 0 4px 0;
}
.wu-patient p{
  font-family: 'Source Serif 4', serif; font-style: italic;
  font-size: 15px; line-height: 1.5; margin: 0;
}

/* Section dividers — triage vs dx */
.wu-section{
  margin-bottom: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--surface);
}
.wu-section:last-child{ margin-bottom: 0; }
.wu-section-h{
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  font-size: 11.5px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  border-bottom: 1px solid var(--line);
}
.wu-section-ic{ font-size: 14px; }
.wu-sect-triage .wu-section-h{ color: #b91c1c; background: #fef4f2; }
.wu-sect-dx .wu-section-h{     color: var(--teal); background: var(--teal-soft); }

/* The .tr container inside .wu-section — strip its own border/shadow */
.wu-section .tr{
  border: none; box-shadow: none; margin: 0; border-radius: 0;
}
.wu-section .dx{
  border: none; box-shadow: none; margin: 0; border-radius: 0;
}
.wu-section .dx-verdict{
  padding: 14px !important;
}

.tr-empty{
  padding: 16px; font-size: 12.5px; color: var(--muted); font-style: italic; text-align: center;
}

/* FOOTER */
.wu-footer{
  border-top: 1px solid var(--line);
  background: var(--surface-2);
  padding: 14px 20px;
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 18px; flex-wrap: wrap;
  font-size: 12px; color: var(--muted);
}
.wu-footer h5{
  font-size: 10.5px; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-2); margin: 0 0 5px 0;
}
.wu-sources-list{ display: flex; flex-wrap: wrap; gap: 8px; }
.wu-sources-list a{
  font-size: 11.5px; color: var(--teal-2); text-decoration: none; font-weight: 600;
}
.wu-sources-list a:hover{ color: var(--rust); text-decoration: underline; }
.wu-disclaimer{ max-width: 55ch; line-height: 1.5; }
.wu-disclaimer strong{ color: var(--rust-2); }