/* =============================================================
   ToolVerse AI — Premium Chat Studio
   ============================================================= */

:root{
  --tv-bg:#070b14;
  --tv-panel:#0b1120;
  --tv-panel-2:#0f1729;
  --tv-line:rgba(255,255,255,.09);
  --tv-line-2:rgba(255,255,255,.14);
  --tv-txt:#e2e8f0;
  --tv-dim:#94a3b8;
  --tv-accent:#6366f1;
  --tv-accent-2:#22d3ee;
}

.tv-chat{
  display:grid;
  grid-template-columns:280px 1fr;
  height:calc(100vh - 61px);
  min-height:520px;
  background:var(--tv-bg);
  overflow:hidden;
}
@media (max-width:900px){ .tv-chat{ grid-template-columns:1fr; } }

/* ---------------- Sidebar ---------------- */
.tv-chat__side{
  display:flex;flex-direction:column;
  background:var(--tv-panel);
  border-right:1px solid var(--tv-line);
  min-height:0;
}
@media (max-width:900px){
  .tv-chat__side{
    position:fixed;inset:61px auto 0 0;width:290px;z-index:60;
    transform:translateX(-105%);transition:transform .25s ease;
  }
  .tv-chat__side.is-open{ transform:none; box-shadow:0 0 60px rgba(0,0,0,.6); }
}
.tv-side__top{display:flex;gap:8px;padding:14px}
.tv-newchat{
  flex:1;padding:11px 14px;border-radius:12px;border:1px solid var(--tv-line-2);
  background:linear-gradient(135deg,rgba(99,102,241,.22),rgba(34,211,238,.18));
  color:#fff;font-weight:700;font-size:14px;cursor:pointer;transition:.2s;
}
.tv-newchat:hover{border-color:var(--tv-accent);transform:translateY(-1px)}

.tv-side__search{padding:0 14px 12px}
.tv-side__search input{
  width:100%;padding:9px 12px;border-radius:10px;font-size:13px;outline:none;
  border:1px solid var(--tv-line);background:rgba(255,255,255,.04);color:var(--tv-txt);
}
.tv-side__search input:focus{border-color:var(--tv-accent)}

.tv-side__list{flex:1;overflow-y:auto;padding:0 8px 10px;min-height:0}
.tv-side__empty{color:#475569;font-size:13px;text-align:center;padding:22px 10px}

.tv-conv{
  display:flex;align-items:center;gap:8px;width:100%;
  padding:9px 11px;margin-bottom:3px;border-radius:10px;cursor:pointer;
  color:#cbd5e1;font-size:13.5px;border:1px solid transparent;background:none;text-align:left;
}
.tv-conv:hover{background:rgba(255,255,255,.05)}
.tv-conv.is-active{background:rgba(99,102,241,.16);border-color:rgba(99,102,241,.4);color:#fff}
.tv-conv__t{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tv-conv__x{opacity:0;font-size:12px;color:#94a3b8;padding:2px 4px;border-radius:5px;background:none;border:0;cursor:pointer}
.tv-conv:hover .tv-conv__x{opacity:1}
.tv-conv__x:hover{background:rgba(248,113,113,.2);color:#fca5a5}

.tv-side__foot{border-top:1px solid var(--tv-line);padding:12px 14px}
.tv-mode{display:flex;gap:6px;margin-bottom:10px;background:rgba(255,255,255,.04);padding:4px;border-radius:11px}
.tv-mode__btn{
  flex:1;padding:7px;border-radius:8px;border:0;background:none;color:var(--tv-dim);
  font-size:12.5px;font-weight:600;cursor:pointer;transition:.2s;
}
.tv-mode__btn.is-on{background:linear-gradient(135deg,var(--tv-accent),var(--tv-accent-2));color:#fff}
.tv-side__link{
  display:block;width:100%;text-align:left;padding:7px 2px;background:none;border:0;
  color:var(--tv-dim);font-size:13px;cursor:pointer;text-decoration:none;
}
.tv-side__link:hover{color:#fff}
.tv-side__note{font-size:11px;color:#475569;margin-top:8px}

.tv-scrim{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:55}
.tv-scrim.is-on{display:block}
@media (min-width:901px){ .tv-scrim{display:none!important} }

/* ---------------- Main column ---------------- */
.tv-chat__main{display:flex;flex-direction:column;min-width:0;min-height:0}

.tv-chat__bar{
  display:flex;align-items:center;gap:10px;padding:11px 16px;
  border-bottom:1px solid var(--tv-line);background:rgba(11,17,32,.75);backdrop-filter:blur(10px);
}
.tv-chat__title{flex:1;display:flex;align-items:center;gap:9px;min-width:0}
.tv-chat__title h1{
  font-size:15px;font-weight:700;color:#f1f5f9;margin:0;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;outline:none;
}
.tv-chat__title h1[contenteditable="true"]{
  background:rgba(255,255,255,.07);padding:3px 8px;border-radius:7px;border:1px solid var(--tv-accent);
}
.tv-badge{
  font-size:10.5px;font-weight:700;padding:3px 9px;border-radius:999px;white-space:nowrap;
  background:rgba(34,211,238,.14);color:#67e8f9;border:1px solid rgba(34,211,238,.3);
}
.tv-chat__actions{display:flex;gap:2px}
.tv-icon{
  background:none;border:0;color:var(--tv-dim);font-size:15px;cursor:pointer;
  padding:7px 9px;border-radius:9px;line-height:1;transition:.15s;
}
.tv-icon:hover{background:rgba(255,255,255,.07);color:#fff}
.tv-icon--lg{font-size:19px;padding:8px}

/* ---------------- Messages ---------------- */
.tv-msgs{flex:1;overflow-y:auto;padding:26px 16px 12px;scroll-behavior:smooth;min-height:0}
.tv-msgs::-webkit-scrollbar,.tv-side__list::-webkit-scrollbar{width:8px}
.tv-msgs::-webkit-scrollbar-thumb,.tv-side__list::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:8px}

.tv-welcome{max-width:760px;margin:5vh auto;text-align:center;padding:0 6px}
.tv-welcome__logo{font-size:48px;margin-bottom:10px}
.tv-welcome h2{font-size:27px;font-weight:800;color:#f1f5f9;margin:0 0 8px}
.tv-welcome p{color:var(--tv-dim);font-size:14.5px;margin:0 0 26px}
.tv-suggest{display:grid;gap:11px;grid-template-columns:1fr}
@media (min-width:640px){ .tv-suggest{grid-template-columns:1fr 1fr} }
.tv-sugg{
  text-align:left;padding:14px 16px;border-radius:14px;cursor:pointer;transition:.2s;
  border:1px solid var(--tv-line);background:rgba(255,255,255,.03);
}
.tv-sugg:hover{border-color:rgba(99,102,241,.55);background:rgba(99,102,241,.08);transform:translateY(-2px)}
.tv-sugg b{display:block;color:#e2e8f0;font-size:14px;margin-bottom:3px}
.tv-sugg span{color:#64748b;font-size:12.5px}
.tv-warn{
  margin-top:24px;padding:13px 16px;border-radius:12px;font-size:13.5px;text-align:left;
  background:rgba(251,191,36,.1);border:1px solid rgba(251,191,36,.3);color:#fde68a;
}
.tv-warn a{color:#fbbf24;text-decoration:underline}

.tv-row{max-width:830px;margin:0 auto 26px;display:flex;gap:13px;align-items:flex-start}
.tv-av{
  flex:0 0 32px;width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  font-size:15px;font-weight:700;margin-top:2px;
}
.tv-row--user .tv-av{background:linear-gradient(135deg,#475569,#334155);color:#fff}
.tv-row--ai  .tv-av{background:linear-gradient(135deg,var(--tv-accent),var(--tv-accent-2));color:#fff}
.tv-bubble{flex:1;min-width:0}
.tv-who{font-size:12.5px;font-weight:700;color:#94a3b8;margin-bottom:5px;display:flex;align-items:center;gap:8px}
.tv-who small{font-weight:500;color:#475569;font-size:11px}

.tv-body{color:#dbe3ee;font-size:15px;line-height:1.72;word-wrap:break-word;overflow-wrap:anywhere}
.tv-body p{margin:0 0 12px}
.tv-body h1,.tv-body h2,.tv-body h3{color:#f1f5f9;font-weight:700;margin:20px 0 9px;line-height:1.3}
.tv-body h1{font-size:22px}.tv-body h2{font-size:19px}.tv-body h3{font-size:16.5px}
.tv-body ul,.tv-body ol{margin:0 0 13px;padding-left:23px}
.tv-body li{margin-bottom:5px}
.tv-body ul li{list-style:disc}.tv-body ol li{list-style:decimal}
.tv-body a{color:#67e8f9;text-decoration:underline}
.tv-body strong{color:#fff;font-weight:700}
.tv-body blockquote{border-left:3px solid var(--tv-accent);padding:2px 0 2px 14px;margin:0 0 13px;color:#a5b4c8}
.tv-body hr{border:0;border-top:1px solid var(--tv-line);margin:18px 0}
.tv-body :not(pre) > code{
  background:rgba(99,102,241,.16);color:#c7d2fe;padding:2px 6px;border-radius:6px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em;
}
.tv-body table{width:100%;border-collapse:collapse;margin:0 0 14px;font-size:13.5px;display:block;overflow-x:auto}
.tv-body th,.tv-body td{border:1px solid var(--tv-line);padding:8px 11px;text-align:left}
.tv-body th{background:rgba(255,255,255,.05);color:#f1f5f9;font-weight:700}

/* ---------------- Code blocks ---------------- */
.tv-code{
  margin:0 0 15px;border-radius:13px;overflow:hidden;
  border:1px solid var(--tv-line-2);background:#080d18;
}
.tv-code__bar{
  display:flex;align-items:center;gap:8px;padding:7px 12px;
  background:rgba(255,255,255,.045);border-bottom:1px solid var(--tv-line);
}
.tv-code__lang{font-size:11.5px;font-weight:700;color:#7dd3fc;text-transform:uppercase;letter-spacing:.5px;flex:1}
.tv-code__btn{
  background:rgba(255,255,255,.07);border:1px solid var(--tv-line);color:#cbd5e1;
  font-size:11.5px;padding:3.5px 10px;border-radius:7px;cursor:pointer;transition:.15s;white-space:nowrap;
}
.tv-code__btn:hover{background:var(--tv-accent);border-color:var(--tv-accent);color:#fff}
.tv-code pre{margin:0;padding:15px;overflow-x:auto;max-height:520px}
.tv-code code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;line-height:1.62;color:#e6edf3;white-space:pre;
}
/* tiny syntax highlighter tokens */
.tk-com{color:#6b7f95;font-style:italic}
.tk-str{color:#a5e075}
.tk-num{color:#f0a56a}
.tk-kw {color:#c792ea;font-weight:600}
.tk-fn {color:#82aaff}
.tk-tag{color:#f07178}
.tk-att{color:#ffcb6b}

/* ---------------- Message toolbar ---------------- */
.tv-tools{display:flex;gap:5px;margin-top:9px;opacity:0;transition:.2s}
.tv-row:hover .tv-tools,.tv-row--last .tv-tools{opacity:1}
.tv-tools button{
  background:none;border:1px solid transparent;color:#64748b;font-size:12px;
  padding:3px 8px;border-radius:7px;cursor:pointer;
}
.tv-tools button:hover{color:#fff;border-color:var(--tv-line);background:rgba(255,255,255,.05)}

.tv-typing{display:inline-flex;gap:4px;align-items:center;height:20px}
.tv-typing i{width:7px;height:7px;border-radius:50%;background:var(--tv-accent-2);animation:tvb 1.3s infinite}
.tv-typing i:nth-child(2){animation-delay:.18s}
.tv-typing i:nth-child(3){animation-delay:.36s}
@keyframes tvb{0%,60%,100%{opacity:.25;transform:translateY(0)}30%{opacity:1;transform:translateY(-5px)}}
.tv-caret{display:inline-block;width:8px;height:16px;background:var(--tv-accent-2);vertical-align:-2px;animation:tvc .9s steps(2) infinite}
@keyframes tvc{50%{opacity:0}}

.tv-err{
  padding:11px 14px;border-radius:11px;font-size:13.5px;
  background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.3);color:#fca5a5;
}

/* ---------------- Composer ---------------- */
.tv-composer{border-top:1px solid var(--tv-line);background:rgba(11,17,32,.9);padding:12px 16px 14px}
.tv-attach{max-width:830px;margin:0 auto;display:flex;flex-wrap:wrap;gap:7px}
.tv-attach:not(:empty){margin-bottom:9px}
.tv-chip{
  display:flex;align-items:center;gap:7px;padding:6px 10px;border-radius:10px;font-size:12.5px;
  background:rgba(99,102,241,.13);border:1px solid rgba(99,102,241,.32);color:#c7d2fe;max-width:230px;
}
.tv-chip.is-loading{opacity:.6}
.tv-chip__n{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tv-chip__s{color:#7f8ea8;font-size:11px;flex-shrink:0}
.tv-chip__x{background:none;border:0;color:#94a3b8;cursor:pointer;font-size:13px;padding:0 2px;flex-shrink:0}
.tv-chip__x:hover{color:#fca5a5}

.tv-composer__box{
  max-width:830px;margin:0 auto;display:flex;align-items:flex-end;gap:6px;
  padding:7px 8px;border-radius:18px;transition:.2s;
  background:var(--tv-panel-2);border:1px solid var(--tv-line-2);
}
.tv-composer__box:focus-within{border-color:rgba(99,102,241,.65);box-shadow:0 0 0 4px rgba(99,102,241,.09)}
.tv-composer__box.is-drag{border-color:var(--tv-accent-2);background:rgba(34,211,238,.07)}
#composer{
  flex:1;resize:none;border:0;outline:none;background:none;color:var(--tv-txt);
  font-size:15px;line-height:1.55;padding:9px 4px;max-height:210px;font-family:inherit;
}
#composer::placeholder{color:#4b5c73}
.tv-send{
  flex-shrink:0;width:38px;height:38px;border-radius:12px;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--tv-accent),var(--tv-accent-2));color:#fff;
  font-size:15px;display:grid;place-items:center;transition:.2s;
}
.tv-send:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(99,102,241,.4)}
.tv-send:disabled{opacity:.35;cursor:not-allowed;transform:none;box-shadow:none}
.tv-send--stop{background:#ef4444}
.tv-composer__hint{
  max-width:830px;margin:8px auto 0;display:flex;justify-content:space-between;gap:10px;
  font-size:11.5px;color:#475569;
}
.hidden{display:none!important}