:root{
  --navy:#003764;
  --navy-deep:#00203B;
  --navy-mid:#0A4A80;
  --bg:#F4F6F9;
  --surface:#FFFFFF;
  --surface-alt:#EEF2F7;
  --line:#DFE5EC;
  --ink:#1B2733;
  --ink-dim:#5B6B7D;
  --ink-faint:#93A0B0;

  --pass:#1E8E5A;
  --pass-bg:#E6F5EE;
  --warn:#B9770E;
  --warn-bg:#FCF1DA;
  --fail:#C43D3D;
  --fail-bg:#FBEAEA;
  --idle:#D8DEE6;
  --run:#2464B4;

  --ag-req:#445A72;
  --ag-ui:#003764;
  --ag-api:#0E6E7C;
  --ag-perf:#5B4B8A;
  --ag-sec:#B23A3A;
  --ag-a11y:#2C6FAE;

  --font-display:'Amazon Ember','Helvetica Neue',Arial,sans-serif;
  --font-mono:'JetBrains Mono', ui-monospace, monospace;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{background:var(--bg);color:var(--ink);font-family:var(--font-display);min-height:100vh;}
.wrap{max-width:1320px;margin:0 auto;padding:0 20px 60px;}

.util-bar{background:var(--navy-deep);color:#B9C6D6;font-size:11.5px;padding:6px 0;}
.util-bar .wrap{display:flex;justify-content:space-between;align-items:center;padding-top:0;padding-bottom:0;max-width:1320px;}
#health-pill{opacity:.85;}

header.mainnav{background:var(--navy);padding:16px 0;box-shadow:0 2px 10px rgba(8,26,46,.15);}
.mainnav .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;padding-top:0;padding-bottom:0;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-logo{height:38px;width:auto;display:block;}
.brand-sub{font-size:10.5px;color:#9FB2C8;letter-spacing:.1em;text-transform:uppercase;border-left:1px solid #2E4A67;padding-left:12px;}

.nav-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;}
.btn{font-family:var(--font-display);font-size:13px;font-weight:700;letter-spacing:.01em;border-radius:7px;padding:10px 16px;cursor:pointer;border:1px solid transparent;transition:transform .1s ease, opacity .15s ease, background .15s ease;}
.btn:active{transform:scale(.97);}
.btn-primary{background:var(--navy);color:#fff;}
.btn-primary:hover{background:var(--navy-mid);}
.btn-primary:disabled{background:#A9B4BF;cursor:not-allowed;}
.btn-invert{background:#fff;color:var(--navy);}
.btn-invert:hover{background:#DCE6EF;}
.btn-invert:disabled{background:#8A97A5;color:#fff;cursor:not-allowed;}
.btn-outline-light{background:transparent;border-color:#3C5977;color:#E7EEF6;}
.btn-outline-light:hover{border-color:#7C9BB8;background:rgba(255,255,255,.05);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-dim);}
.btn-ghost:hover{color:var(--ink);border-color:var(--ink-faint);}
.btn-sm{padding:6px 11px;font-size:11.5px;border-radius:6px;}

.intro{padding:26px 0 18px;display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:16px;}
.intro h1{font-size:clamp(20px,2.8vw,28px);font-weight:800;margin:0 0 6px;color:var(--navy);letter-spacing:-.01em;}
.intro p{margin:0;font-size:13.5px;color:var(--ink-dim);max-width:600px;line-height:1.55;}
.tabbar{display:flex;background:var(--surface-alt);border:1px solid var(--line);border-radius:8px;padding:3px;gap:2px;flex-wrap:wrap;}
.tabbar button{font-family:var(--font-display);font-size:12px;font-weight:700;background:transparent;border:none;color:var(--ink-dim);padding:8px 12px;border-radius:6px;cursor:pointer;}
.tabbar button[aria-pressed="true"]{background:var(--surface);color:var(--navy);box-shadow:0 1px 3px rgba(14,42,74,.12);}

.panel-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:14px;}
.panel-head h2{font-size:17px;font-weight:800;color:var(--navy);margin:0;}
.hint-text{font-size:12px;color:var(--ink-faint);}

.summary{display:flex;align-items:center;gap:22px;flex-wrap:wrap;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:22px;box-shadow:0 1px 3px rgba(14,42,74,.05);}
.summary-count{font-family:var(--font-display);font-size:26px;font-weight:800;color:var(--navy);}
.summary-label{font-size:10px;color:var(--ink-faint);letter-spacing:.1em;text-transform:uppercase;}
.summary-block{display:flex;flex-direction:column;gap:2px;min-width:70px;}
.summary-bar{flex:1;min-width:180px;height:8px;border-radius:5px;overflow:hidden;background:var(--idle);display:flex;}
.summary-bar div{height:100%;transition:width .4s ease;}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:11.5px;color:var(--ink-dim);}
.legend span{display:inline-flex;align-items:center;gap:6px;}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;}

.grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(275px,1fr));gap:16px;}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;min-height:370px;box-shadow:0 1px 3px rgba(14,42,74,.05);}
.card-head{padding:14px 16px 12px;border-bottom:1px solid var(--line);border-top:3px solid var(--agent-color, var(--ink-faint));}
.card-head-top{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;}
.agent-icon{width:30px;height:30px;border-radius:8px;background:color-mix(in srgb, var(--agent-color) 12%, white);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.agent-icon svg{width:16px;height:16px;stroke:var(--agent-color);}
.agent-name{font-family:var(--font-display);font-size:14.5px;font-weight:700;margin:0;color:var(--navy);}
.agent-cat{font-size:10px;color:var(--ink-faint);text-transform:uppercase;letter-spacing:.07em;margin-top:2px;}
.status-pill{font-size:10px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:4px 8px;border-radius:20px;white-space:nowrap;background:var(--surface-alt);color:var(--ink-faint);border:1px solid var(--line);}
.status-pill.running{color:var(--run);border-color:var(--run);background:#EAF1FB;}
.status-pill.done{color:var(--pass);border-color:var(--pass);background:var(--pass-bg);}

.signal-strip{display:flex;gap:3px;margin-top:12px;flex-wrap:wrap;}
.chip{width:14px;height:8px;border-radius:2px;background:var(--idle);transition:background .25s ease, box-shadow .25s ease;}
.chip.running{background:var(--run);box-shadow:0 0 6px var(--run);animation:pulse .9s ease-in-out infinite;}
.chip.pass{background:var(--pass);}
.chip.warn{background:var(--warn);}
.chip.fail{background:var(--fail);}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}

.card-counts{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 16px;font-size:10.5px;color:var(--ink-dim);border-bottom:1px solid var(--line);}
.card-counts b{color:var(--navy);}

.log{flex:1;padding:12px 14px;overflow-y:auto;font-family:var(--font-mono);font-size:11px;line-height:1.7;background:#FBFCFE;max-height:220px;}
.log-line{white-space:pre-wrap;word-break:break-word;color:var(--ink-dim);margin-bottom:2px;}
.log-line .ts{color:var(--ink-faint);}
.log-line .id{color:var(--navy);font-weight:600;}
.log-line .st-pass{color:var(--pass);font-weight:700;}
.log-line .st-warn{color:var(--warn);font-weight:700;}
.log-line .st-fail{color:var(--fail);font-weight:700;}
.log-empty{color:var(--ink-faint);font-style:italic;}
.log::-webkit-scrollbar{width:6px;}
.log::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px;}

/* requirements list */
.req-list{display:flex;flex-direction:column;gap:10px;}
.req-card{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--ag-req);border-radius:10px;padding:14px 16px;display:flex;justify-content:space-between;gap:14px;align-items:flex-start;flex-wrap:wrap;}
.req-card-main{flex:1;min-width:240px;}
.req-id{font-family:var(--font-mono);font-size:11px;color:var(--navy);font-weight:700;margin-right:8px;}
.req-title{font-weight:700;font-size:14px;color:var(--ink);}
.req-desc{font-size:12.5px;color:var(--ink-dim);margin-top:4px;line-height:1.5;}
.req-meta{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap;}
.req-actions{display:flex;flex-direction:column;gap:8px;align-items:flex-end;}
.tc-mini-list{margin-top:4px;font-size:11px;color:var(--ink-faint);}

.badge{font-size:10px;font-weight:700;padding:2px 8px;border-radius:20px;white-space:nowrap;font-family:var(--font-display);}
.badge-cat-func{background:#E7EEF6;color:var(--navy);}
.badge-cat-nonfunc{background:#EFEAFB;color:var(--ag-perf);}
.prio-High{background:var(--fail-bg);color:var(--fail);}
.prio-Medium{background:var(--warn-bg);color:var(--warn);}
.prio-Low{background:var(--pass-bg);color:var(--pass);}
.badge-outline{background:var(--surface-alt);color:var(--ink-dim);border:1px solid var(--line);}

/* tables (traceability, defects) */
table{width:100%;border-collapse:collapse;font-size:12.5px;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;}
thead th{text-align:left;font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);padding:10px 12px;border-bottom:1px solid var(--line);background:var(--surface-alt);}
tbody td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink-dim);}
tbody tr:last-child td{border-bottom:none;}
tbody td.mono{font-family:var(--font-mono);font-size:11.5px;color:var(--navy);font-weight:700;white-space:nowrap;}
.tc-chip{display:inline-block;font-family:var(--font-mono);font-size:10.5px;padding:2px 6px;border-radius:5px;margin:2px 3px 2px 0;border:1px solid var(--line);}
.tc-chip.pass{background:var(--pass-bg);color:var(--pass);border-color:transparent;}
.tc-chip.warn{background:var(--warn-bg);color:var(--warn);border-color:transparent;}
.tc-chip.fail{background:var(--fail-bg);color:var(--fail);border-color:transparent;}
.tc-chip.idle{background:var(--surface-alt);color:var(--ink-faint);}
.coverage-bar{width:90px;height:6px;border-radius:4px;background:var(--idle);overflow:hidden;display:inline-block;vertical-align:middle;margin-right:6px;}
.coverage-bar div{height:100%;background:var(--pass);}
.empty-note{color:var(--ink-faint);font-size:12.5px;font-style:italic;padding:14px 0;}

/* report */
.report-body{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px 24px;font-size:13.5px;line-height:1.65;color:var(--ink);}
.report-body h1,.report-body h2,.report-body h3{color:var(--navy);font-family:var(--font-display);}
.report-body h1{font-size:19px;margin-top:0;}
.report-body h2{font-size:15px;margin-top:22px;}
.report-body h3{font-size:13px;margin-top:16px;}
.report-body ul{padding-left:20px;}
.report-body table{margin:10px 0;}
.report-body code{font-family:var(--font-mono);background:var(--surface-alt);padding:1px 5px;border-radius:4px;font-size:12px;}

/* chat */
.chat-window{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px;height:420px;overflow-y:auto;display:flex;flex-direction:column;gap:10px;margin-bottom:12px;}
.chat-bubble{max-width:78%;padding:10px 13px;border-radius:12px;font-size:13px;line-height:1.5;}
.chat-bubble.user{align-self:flex-end;background:var(--navy);color:#fff;border-bottom-right-radius:3px;}
.chat-bubble.agent{align-self:flex-start;background:var(--surface-alt);color:var(--ink);border-bottom-left-radius:3px;}
.chat-bubble.agent .tag{display:block;font-size:10px;color:var(--run);font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:3px;}
.chat-bubble.system{align-self:center;background:transparent;color:var(--ink-faint);font-style:italic;font-size:11.5px;}
.chat-input-row{display:flex;gap:10px;}
.chat-input-row input{flex:1;border:1px solid var(--line);border-radius:8px;padding:11px 13px;font-family:var(--font-display);font-size:13.5px;}
.chat-input-row input:focus{outline:2px solid var(--run);outline-offset:1px;}

footer{margin-top:30px;font-size:11px;color:var(--ink-faint);text-align:center;}

/* modal */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(8,26,46,.55);align-items:center;justify-content:center;z-index:50;padding:20px;}
.modal-overlay.open{display:flex;}
.modal{background:var(--surface);border-radius:14px;max-width:520px;width:100%;padding:24px;box-shadow:0 20px 60px rgba(8,26,46,.35);}
.modal h2{font-size:17px;font-weight:800;color:var(--navy);margin:0 0 6px;}
.modal p.hint{font-size:12.5px;color:var(--ink-dim);margin:0 0 16px;line-height:1.5;}
.modal textarea{width:100%;min-height:96px;border:1px solid var(--line);border-radius:8px;padding:11px 12px;font-family:var(--font-display);font-size:13.5px;color:var(--ink);resize:vertical;}
.modal textarea:focus{outline:2px solid var(--run);outline-offset:1px;}
.modal-examples{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 16px;}
.modal-examples button{font-family:var(--font-mono);font-size:10.5px;background:var(--surface-alt);border:1px solid var(--line);color:var(--ink-dim);border-radius:20px;padding:5px 10px;cursor:pointer;}
.modal-examples button:hover{border-color:var(--ink-faint);color:var(--ink);}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:4px;}
.modal-status{font-size:12px;color:var(--ink-dim);margin-top:10px;min-height:16px;}
.modal-status.err{color:var(--fail);}
.spinner{display:inline-block;width:12px;height:12px;border:2px solid #fff;border-top-color:transparent;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px;margin-right:6px;}
@keyframes spin{to{transform:rotate(360deg);}}

@media (max-width:640px){
  .mainnav .wrap{flex-direction:column;align-items:flex-start;}
  .intro{align-items:flex-start;}
  table{font-size:11px;}
}
@media (prefers-reduced-motion: reduce){
  .chip.running{animation:none;}
  .spinner{animation:none;}
  .summary-bar div, .chip{transition:none;}
}