/* ===================================================================
   OMS TRI — SequSpace brand system
   Trust Blue #1E40AF · Calm Teal #14B8A6 · Amber #F59E0B
   RULE: blue appears ONLY inside the brand gradient.
   Never blue/red/pink/violet for text, borders, or bullets — teal/green/white only.
   =================================================================== */
:root{
  --trust-blue:#1E40AF; --calm-teal:#14B8A6; --calm-teal-dark:#0F766E; --amber:#F59E0B; --amber-dark:#D97706;
  --brand-gradient:linear-gradient(135deg,#1E40AF 0%,#14B8A6 50%,#F59E0B 100%);
  --brand-gradient-2:linear-gradient(135deg,#1E40AF 0%,#14B8A6 100%);

  /* dark surfaces (this UI is dark-first) */
  --bg:#0B1220; --panel:#0F172A; --panel2:#0d1526; --card:rgba(255,255,255,.06);
  --ink:#F6F8FB; --muted:#94A3B8; --line:#1E293B;
  --accent:#2DD4BF;        /* teal accent for dark */
  --ok:#2DD4BF; --warn:#F59E0B;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  background:radial-gradient(1100px 560px at 15% -10%,#132043 0%,var(--bg) 58%);
  color:var(--ink);
}
h1,h2,h3{font-family:'Plus Jakarta Sans','Inter',sans-serif}
.app{display:grid;grid-template-columns:340px 1fr;height:100vh}

/* ---------- sidebar ---------- */
.side{background:linear-gradient(180deg,var(--panel) 0%,var(--panel2) 100%);
  border-right:1px solid var(--line);padding:22px 18px;overflow-y:auto;display:flex;flex-direction:column;gap:18px}
.brand .logo{font-weight:800;font-size:27px;letter-spacing:.3px;font-family:'Plus Jakarta Sans','Inter',sans-serif;
  background:var(--brand-gradient);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand .logo span{-webkit-text-fill-color:var(--amber);color:var(--amber)}
.brand .sub{color:var(--muted);font-size:12.5px;margin-top:2px}

.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.panel h3{margin:0 0 12px;font-size:13px;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}

.dropzone{border:1.5px dashed var(--line);border-radius:12px;padding:20px;text-align:center;color:var(--muted);transition:.15s}
.dropzone.drag{border-color:var(--calm-teal);background:rgba(20,184,166,.10);color:var(--ink)}
.dropzone p{margin:0 0 6px;font-size:13.5px}
.dropzone b{color:var(--accent)}
.dropzone small{font-size:11px;opacity:.7}
.link{background:none;border:none;color:var(--accent);cursor:pointer;font-size:13.5px;text-decoration:underline;padding:0}

.uploadStatus{font-size:12.5px;margin-top:10px;min-height:16px;color:var(--muted)}
.uploadStatus.ok{color:var(--ok)} .uploadStatus.err{color:var(--warn)}
.sources{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}
.sources li{font-size:12.5px;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:6px 9px;display:flex;justify-content:space-between;gap:8px}
.sources li b{color:var(--accent);font-weight:600}
.kbmeta{font-size:11.5px;color:var(--muted);margin-top:10px}

button.danger{margin-top:12px;width:100%;background:transparent;border:1px solid var(--amber);color:var(--amber);
  border-radius:9px;padding:8px;cursor:pointer;font-size:12.5px}
button.danger:hover{background:rgba(245,158,11,.12)}

.modes{display:flex;flex-direction:column;gap:12px}
.switch{display:flex;align-items:center;gap:10px;font-size:13.5px;cursor:pointer}
.switch input{width:38px;height:20px;appearance:none;background:var(--line);border-radius:20px;position:relative;cursor:pointer;transition:.2s}
.switch input:checked{background:var(--brand-gradient-2)}
.switch input::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked::after{left:20px}
.tag{font-size:11px;color:var(--muted);background:var(--card);border:1px solid var(--line);border-radius:6px;padding:4px 8px;width:fit-content}

/* co-brand + footer */
.cobrand{margin-top:auto;padding-top:10px;border-top:1px solid var(--line);color:var(--muted);font-size:11px;line-height:1.6}
.cobrand .lemon{color:var(--amber)}

/* ---------- chat ---------- */
.chat{display:flex;flex-direction:column;height:100vh}
.chat-head{padding:26px 32px 10px}
.chat-head h1{margin:0;font-size:22px}
.chat-head p{margin:6px 0 0;color:var(--muted);font-size:13.5px}

.messages{flex:1;overflow-y:auto;padding:18px 32px;display:flex;flex-direction:column;gap:16px}
.msg{display:flex}
.msg.user{justify-content:flex-end}
.bubble{max-width:74%;padding:13px 16px;border-radius:16px;line-height:1.55;font-size:14.5px;white-space:pre-wrap}
.msg.bot .bubble{background:var(--panel);border:1px solid var(--line);border-top-left-radius:4px}
.msg.user .bubble{background:var(--brand-gradient-2);border-top-right-radius:4px;color:#fff}  /* gradient = only place blue shows */
.bubble.refused{border-color:var(--amber)}
.meta{font-size:11px;color:var(--muted);margin-top:8px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.badge{padding:2px 7px;border-radius:6px;font-size:10.5px;border:1px solid var(--line)}
.badge.ok{color:var(--ok);border-color:var(--ok)}
.badge.no{color:var(--warn);border-color:var(--warn)}
.speaker{background:none;border:none;cursor:pointer;font-size:14px;color:var(--accent)}
.speaker.playing{color:var(--amber)}

details.srcs{margin-top:2px;font-size:12px;color:var(--muted)}
details.srcs summary{cursor:pointer;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:2px 7px;font-size:10.5px;list-style:none;display:inline-block}
details.srcs summary::-webkit-details-marker{display:none}
details.srcs summary:hover{color:var(--ink)}
details.srcs[open] summary{color:var(--ink);margin-bottom:8px}
details.srcs > div{margin-bottom:6px;border-left:2px solid var(--line);padding-left:10px}

/* images extracted from the source document */
.imgs{margin-top:10px;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;max-width:74%}
.imgcard{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.imgcard img{width:100%;display:block;background:#fff;cursor:zoom-in}
.imgcard figcaption{font-size:10.5px;color:var(--muted);padding:5px 8px}

.composer{display:flex;gap:10px;padding:16px 32px 24px;border-top:1px solid var(--line);background:rgba(0,0,0,.15)}
.composer input[type=text]{flex:1;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:13px 16px;color:var(--ink);font-size:14.5px;outline:none}
.composer input[type=text]:focus{border-color:var(--calm-teal)}
.mic{width:48px;border:1px solid var(--line);background:var(--panel);border-radius:12px;font-size:18px;cursor:pointer}
.mic.rec{background:var(--amber);border-color:var(--amber);animation:pulse 1s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}
.send{padding:0 22px;border:none;border-radius:12px;background:var(--amber);color:#3a2600;font-weight:700;cursor:pointer;font-size:14.5px}
.send:hover{background:var(--amber-dark);color:#fff}
.send:disabled{opacity:.5;cursor:default}

.typing{display:inline-flex;gap:4px}
.typing span{width:7px;height:7px;background:var(--muted);border-radius:50%;animation:blink 1.2s infinite}
.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.25}30%{opacity:1}}

/* voice Start/Stop toggle */
.stopfab{position:fixed;right:22px;bottom:96px;z-index:50;background:var(--amber);color:#3a2600;border:none;
  border-radius:24px;padding:11px 18px;font-size:13.5px;font-weight:700;cursor:pointer;
  box-shadow:0 6px 20px rgba(0,0,0,.4);display:flex;align-items:center;gap:6px}
.stopfab:hover{filter:brightness(1.06)}
.stopfab.paused{background:var(--calm-teal);color:#04231e}

@media (max-width:820px){.app{grid-template-columns:1fr}.side{display:none}}