/* Resono by J.W. – minimal teal/green UI */
:root{
  --bg0:#071c1c;
  --bg1:#0b2a2a;
  --card:#0e3434;
  --card2:#0f3b3b;
  --text:#eaf6f6;
  --muted:#a7c6c6;
  --line:rgba(255,255,255,.10);
  --accent:#27d4b0;
  --accent2:#79f1c7;
  --danger:#ff5b5b;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius:18px;
  --radius2:24px;
  --max:1200px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  background: radial-gradient(1200px 800px at 20% 10%, #0f4a4a 0%, var(--bg0) 45%, #061414 100%);
  color:var(--text);
}
.topbar{
  position:sticky; top:0; z-index:10;
  backdrop-filter: blur(10px);
  background: rgba(7,28,28,.65);
  border-bottom:1px solid var(--line);
  padding:14px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.brand{display:flex; align-items:center; gap:10px}
.logo-dot{
  width:14px; height:14px; border-radius:50%;
  background: linear-gradient(180deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 6px rgba(39,212,176,.12);
}
.brand-text .title{font-weight:800; letter-spacing:.2px; font-size:16px; line-height:1.1}
.brand-text .subtitle{font-size:12px; color:var(--muted); margin-top:2px}
.top-actions{display:flex; gap:8px; flex-wrap:wrap; justify-content:flex-end}
.layout{
  max-width:var(--max);
  margin: 18px auto 28px;
  padding: 0 16px;
  display:grid;
  grid-template-columns: 360px 1fr;
  gap:16px;
}
@media (max-width: 980px){
  .layout{grid-template-columns: 1fr}
}
.sidebar{display:flex; flex-direction:column; gap:14px}
.content{display:flex; flex-direction:column; gap:14px}
.card,.panel{
  background: linear-gradient(180deg, rgba(14,52,52,.88), rgba(12,40,40,.88));
  border:1px solid var(--line);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
}
.card{padding:18px}
.panel{padding:14px}
.panel-title{font-weight:800; margin-bottom:6px}
.panel-sub{color:var(--muted); font-size:12px; margin-bottom:10px}
.muted{color:var(--muted)}
.small{font-size:12px}
.h2{font-weight:900; font-size:18px}
h2{margin:0 0 10px; font-size:18px}
.field{display:flex; flex-direction:column; gap:6px; margin-top:12px}
label{font-size:12px; color:var(--muted)}
input, textarea, select{
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(6,20,20,.55);
  color: var(--text);
  padding: 12px 12px;
  outline:none;
}
textarea{resize: vertical; min-height: 92px}
input:focus,textarea:focus,select:focus{border-color: rgba(39,212,176,.55); box-shadow: 0 0 0 4px rgba(39,212,176,.10)}
.grid2{display:grid; grid-template-columns:1fr 1fr; gap:12px}
@media (max-width: 640px){ .grid2{grid-template-columns:1fr} }
.row{display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-top:14px}
.btn{
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(16,60,60,.8);
  color: var(--text);
  padding: 10px 14px;
  cursor:pointer;
  font-weight:700;
}
.btn:hover{filter:brightness(1.06)}
.btn.primary{
  background: linear-gradient(180deg, rgba(39,212,176,.95), rgba(17,155,131,.95));
  color:#052020;
  border-color: transparent;
}
.btn.ghost{background: transparent}
.btn.danger{border-color: rgba(255,91,91,.5); color:#ffd5d5}
.btn.danger:hover{background: rgba(255,91,91,.08)}
.btn.file{position:relative; overflow:hidden}
.btn.file input{position:absolute; inset:0; opacity:0; cursor:pointer}
.hidden{display:none !important}
.session-list{display:flex; flex-direction:column; gap:8px; margin-top:10px; max-height: 52vh; overflow:auto; padding-right:4px}
.session{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(6,20,20,.45);
  border-radius: 14px;
  padding: 10px 10px;
  cursor:pointer;
}
.session:hover{border-color: rgba(39,212,176,.35)}
.session .meta{display:flex; justify-content:space-between; gap:10px}
.session .name{font-weight:800; font-size:13px}
.session .time{font-size:11px; color:var(--muted)}
.session .sub{font-size:12px; color:var(--muted); margin-top:6px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
.session.active{border-color: rgba(39,212,176,.65); box-shadow: 0 0 0 4px rgba(39,212,176,.10)}
.messages{
  margin-top:12px;
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.10);
  background: rgba(6,18,18,.35);
  padding: 12px;
  min-height: 320px;
  max-height: 55vh;
  overflow:auto;
}
.msg{display:flex; gap:10px; margin:10px 0}
.bubble{
  border-radius: 16px;
  padding: 10px 12px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(11,42,42,.65);
  max-width: 85%;
  white-space:pre-wrap;
}
.msg.user{justify-content:flex-end}
.msg.user .bubble{
  background: rgba(39,212,176,.14);
  border-color: rgba(39,212,176,.25);
}
.msg.assistant .bubble{
  background: rgba(12,52,52,.70);
}
.msg .tag{font-size:11px; color:var(--muted); margin-top:2px}
.composer{display:flex; gap:10px; margin-top:12px}
.composer input{flex:1}
.chat-header{display:flex; justify-content:space-between; align-items:flex-start; gap:12px}
.chat-actions{display:flex; gap:8px; flex-wrap:wrap; justify-content:flex-end}
.summary{
  margin-top:14px;
  padding: 12px;
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(6,20,20,.55);
}
.summary-head{display:flex; align-items:center; justify-content:space-between; gap:10px}
.summary-text{
  margin:10px 0 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  color: #dff7f0;
  white-space: pre-wrap;
}
.footer{
  max-width:var(--max);
  margin: 0 auto 24px;
  padding: 0 16px;
}
.dialog{
  border:none;
  border-radius: var(--radius2);
  width:min(720px, 92vw);
  color: var(--text);
  background: linear-gradient(180deg, rgba(14,52,52,.96), rgba(10,34,34,.96));
  box-shadow: var(--shadow);
}
.dialog::backdrop{background: rgba(0,0,0,.6)}
.dialog-inner{padding: 14px}
.dialog-head{display:flex; justify-content:space-between; align-items:flex-start; gap:12px}