/* ═══════════════════════════════════════════
   Aria AI Assistant — UI v2.1
   Theme: Minimal / Clean / Light
   Font: System stack — zero external load
   ═══════════════════════════════════════════ */

#aria-wrap *{
  box-sizing:border-box;margin:0;padding:0;
  font-family:-apple-system,"Segoe UI","Helvetica Neue",Arial,sans-serif;
}

/* ── CSS Variables ───────────────────────── */
#aria-wrap{
  --c:         #2563eb;          /* accent — overridden by JS */
  --c-light:   rgba(37,99,235,.08);
  --c-ring:    rgba(37,99,235,.18);
  --bg:        #ffffff;
  --bg2:       #f8f9fb;
  --bg3:       #f1f3f6;
  --border:    #e4e7ed;
  --text:      #111827;
  --text2:     #6b7280;
  --text3:     #9ca3af;
  --user-bg:   var(--c);
  --ai-bg:     #f1f3f6;
  --radius:    16px;
  --shadow:    0 4px 6px -1px rgba(0,0,0,.07),
               0 2px 4px -1px rgba(0,0,0,.04);
  --shadow-lg: 0 20px 40px -8px rgba(0,0,0,.14),
               0 8px 16px -4px rgba(0,0,0,.06);
}

/* ── Toggle Button ───────────────────────── */
#aria-toggle{
  position:fixed;bottom:24px;right:24px;
  width:54px;height:54px;border-radius:50%;
  background:var(--c,#2563eb);
  border:none;cursor:pointer;z-index:99999;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 14px var(--c-ring,rgba(37,99,235,.35));
  transition:transform .18s ease,box-shadow .18s ease,background .2s;
  padding:0;outline:none;
}
#aria-wrap[data-pos="left"] #aria-toggle{right:auto;left:24px;}
#aria-toggle:hover{
  transform:scale(1.07);
  box-shadow:0 6px 20px var(--c-ring,rgba(37,99,235,.45));
}
#aria-toggle:active{transform:scale(.95);}

/* icon swap */
.i-chat,.i-close{
  position:absolute;
  transition:opacity .2s ease, transform .25s cubic-bezier(.34,1.4,.64,1);
}
.i-close{opacity:0;transform:rotate(-45deg) scale(.7);}
#aria-toggle.open .i-chat {opacity:0;transform:rotate(45deg) scale(.7);}
#aria-toggle.open .i-close{opacity:1;transform:rotate(0) scale(1);}

/* notification dot */
.aria-dot{
  position:absolute;top:2px;right:2px;
  width:12px;height:12px;
  background:#ef4444;border-radius:50%;
  border:2px solid #fff;
  animation:aria-blink 2.4s ease infinite;
}
@keyframes aria-blink{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}

/* ── Chat Window ─────────────────────────── */
#aria-win{
  position:fixed;bottom:90px;right:24px;
  width:360px;max-width:calc(100vw - 32px);
  height:540px;max-height:calc(100svh - 116px);
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  display:flex;flex-direction:column;
  z-index:99998;
  overflow:hidden;
  isolation:isolate;          /* forces new stacking context — fixes radius clip */
  -webkit-mask-image:-webkit-radial-gradient(white,black); /* Safari fix */
  box-shadow:var(--shadow-lg);
  transform-origin:bottom right;
  transform:scale(.94) translateY(12px);
  opacity:0;pointer-events:none;
  transition:transform .26s cubic-bezier(.34,1.3,.64,1),opacity .2s ease;
}
#aria-wrap[data-pos="left"] #aria-win{right:auto;left:24px;transform-origin:bottom left;}
#aria-win.open{transform:scale(1) translateY(0);opacity:1;pointer-events:all;}

/* ── Header ──────────────────────────────── */
.aria-hd{
  padding:13px 14px 12px;
  display:flex;align-items:center;gap:10px;
  border-bottom:1px solid var(--border);
  background:var(--bg);
  flex-shrink:0;
}

/* avatar */
.aria-av{
  width:34px;height:34px;border-radius:10px;
  background:var(--c,#2563eb);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;position:relative;
}
.aria-ondot{
  position:absolute;bottom:-2px;right:-2px;
  width:9px;height:9px;
  background:#22c55e;border-radius:50%;
  border:2px solid var(--bg);
}

.aria-hinfo{flex:1;min-width:0;}
.aria-hname{
  font-size:.88rem;font-weight:600;
  color:var(--text);letter-spacing:-.01em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.aria-hstat{font-size:.7rem;color:#22c55e;margin-top:1px;font-weight:500;}

/* header clear button */
.aria-hbtn{
  background:none;border:none;color:var(--text3);
  cursor:pointer;padding:6px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  transition:background .15s,color .15s;flex-shrink:0;
}
.aria-hbtn:hover{background:var(--bg3);color:var(--text2);}

/* ── Messages ────────────────────────────── */
.aria-msgs{
  flex:1;overflow-y:auto;
  padding:14px 14px 6px;
  display:flex;flex-direction:column;gap:10px;
  scroll-behavior:smooth;
  overscroll-behavior:contain;
}
.aria-msgs::-webkit-scrollbar{width:3px;}
.aria-msgs::-webkit-scrollbar-track{background:transparent;}
.aria-msgs::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px;}

/* message row */
.aria-row{
  display:flex;gap:8px;align-items:flex-end;
  animation:aria-in .22s ease both;
}
@keyframes aria-in{
  from{opacity:0;transform:translateY(6px)}
  to  {opacity:1;transform:translateY(0)}
}
.aria-row.u{flex-direction:row-reverse;}

/* avatars */
.aria-av2{
  width:24px;height:24px;border-radius:7px;
  flex-shrink:0;display:flex;
  align-items:center;justify-content:center;
  font-size:.62rem;font-weight:700;
}
.aria-row.a .aria-av2{background:var(--c,#2563eb);}
.aria-row.u .aria-av2{background:var(--bg3);color:var(--text3);}

/* bubbles */
.aria-bub{
  max-width:78%;
  padding:9px 13px;
  border-radius:14px;
  font-size:.845rem;line-height:1.58;
  word-break:break-word;
}
.aria-row.a .aria-bub{
  background:var(--ai-bg);
  color:var(--text);
  border-bottom-left-radius:4px;
}
.aria-row.u .aria-bub{
  background:var(--user-bg);
  color:#fff;
  border-bottom-right-radius:4px;
}
/* special states */
.aria-bub.err{
  background:#fef2f2;color:#dc2626;
  border:1px solid #fecaca;
}
.aria-bub.ok{
  background:#f0fdf4;color:#16a34a;
  border:1px solid #bbf7d0;
}

/* timestamp */
.aria-time{
  font-size:.63rem;color:var(--text3);
  margin-top:3px;line-height:1;
}
.aria-row.u .aria-time{text-align:right;}

/* ── Typing indicator ────────────────────── */
.aria-typing{display:flex;gap:3px;align-items:center;padding:2px 0;}
.aria-td{
  width:5px;height:5px;
  background:var(--text3);border-radius:50%;
  animation:aria-t 1.1s ease infinite;
}
.aria-td:nth-child(2){animation-delay:.18s}
.aria-td:nth-child(3){animation-delay:.36s}
@keyframes aria-t{
  0%,60%,100%{transform:translateY(0);opacity:.4}
  30%{transform:translateY(-4px);opacity:1}
}

/* ── Suggestion Chips ────────────────────── */
.aria-chips{
  padding:0 14px 8px;
  display:flex;gap:6px;flex-wrap:wrap;
  flex-shrink:0;
}
.aria-chip{
  padding:5px 12px;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:20px;
  font-size:.77rem;color:var(--text2);
  cursor:pointer;white-space:nowrap;
  transition:background .14s,border-color .14s,color .14s;
  font-family:inherit;
}
.aria-chip:hover{
  background:var(--c-light);
  border-color:var(--c,#2563eb);
  color:var(--c,#2563eb);
}

/* ── Lead Form ───────────────────────────── */
#aria-lead-form{
  flex-shrink:0;
  border-top:1px solid var(--border);
  background:var(--bg2);
  animation:aria-slide-up .2s ease both;
}
@keyframes aria-slide-up{
  from{opacity:0;transform:translateY(8px)}
  to  {opacity:1;transform:translateY(0)}
}
.aria-lead-inner{padding:12px 14px 13px;}
.aria-lead-title{
  font-size:.8rem;font-weight:600;
  color:var(--text);margin-bottom:9px;
  display:flex;align-items:center;gap:5px;
}

#aria-lead-form input{
  width:100%;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:9px;
  padding:8px 11px;
  font-size:.83rem;color:var(--text);
  outline:none;margin-bottom:7px;
  transition:border-color .15s,box-shadow .15s;
  font-family:inherit;
}
#aria-lead-form input:focus{
  border-color:var(--c,#2563eb);
  box-shadow:0 0 0 3px var(--c-ring,rgba(37,99,235,.15));
}
#aria-lead-form input::placeholder{color:var(--text3);}

.aria-lead-actions{display:flex;gap:7px;margin-top:2px;}
.aria-lead-btn-primary{
  flex:1;padding:8px 0;
  background:var(--c,#2563eb);color:#fff;
  border:none;border-radius:9px;
  font-size:.82rem;font-weight:600;
  cursor:pointer;font-family:inherit;
  transition:opacity .15s,transform .1s;
}
.aria-lead-btn-primary:hover{opacity:.88;}
.aria-lead-btn-primary:active{transform:scale(.97);}
.aria-lead-btn-primary:disabled{opacity:.5;cursor:not-allowed;}
.aria-lead-btn-sec{
  padding:8px 14px;
  background:transparent;
  border:1px solid var(--border);
  border-radius:9px;
  font-size:.82rem;color:var(--text2);
  cursor:pointer;font-family:inherit;
  transition:background .14s,color .14s;
}
.aria-lead-btn-sec:hover{background:var(--bg3);color:var(--text);}

#aria-lead-msg{
  font-size:.78rem;margin-top:7px;
  padding:6px 10px;border-radius:7px;
  background:#f0fdf4;color:#16a34a;
  border:1px solid #bbf7d0;
  display:none;
}
#aria-lead-msg.err-state{
  background:#fef2f2;color:#dc2626;border-color:#fecaca;
}

/* ── Footer Input ────────────────────────── */
.aria-foot{
  padding:10px 12px 10px;
  border-top:1px solid var(--border);
  background:var(--bg);
  display:flex;align-items:flex-end;gap:7px;
  flex-shrink:0;
}

#aria-inp{
  flex:1;
  background:var(--bg2);
  border:1px solid var(--border);
  border-radius:11px;
  padding:9px 12px;
  font-size:.845rem;color:var(--text);
  resize:none;outline:none;
  max-height:100px;line-height:1.45;
  transition:border-color .15s,box-shadow .15s;
  scrollbar-width:none;font-family:inherit;
}
#aria-inp:focus{
  border-color:var(--c,#2563eb);
  box-shadow:0 0 0 3px var(--c-ring,rgba(37,99,235,.12));
  background:var(--bg);
}
#aria-inp::placeholder{color:var(--text3);}

.aria-btns{display:flex;gap:6px;align-items:center;}

/* contact button */
#aria-contact-btn{
  width:36px;height:36px;
  background:var(--bg2);
  border:1px solid var(--border);
  border-radius:9px;
  color:var(--text3);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all .15s;flex-shrink:0;
}
#aria-contact-btn:hover{
  background:var(--c-light);
  border-color:var(--c,#2563eb);
  color:var(--c,#2563eb);
}
#aria-contact-btn.active{
  background:var(--c-light);
  border-color:var(--c,#2563eb);
  color:var(--c,#2563eb);
}

/* send button */
#aria-send{
  width:36px;height:36px;
  background:var(--c,#2563eb);
  border:none;border-radius:9px;
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  transition:opacity .15s,transform .13s;
}
#aria-send:hover {opacity:.88;}
#aria-send:active{transform:scale(.93);}
#aria-send:disabled{opacity:.35;cursor:not-allowed;transform:none;}
#aria-send.loading .i-send{display:none;}
#aria-send.loading .aria-spin{display:block;}
.aria-spin{
  display:none;width:14px;height:14px;
  border:2px solid rgba(255,255,255,.3);
  border-top-color:#fff;border-radius:50%;
  animation:aria-s .55s linear infinite;
}
@keyframes aria-s{to{transform:rotate(360deg)}}

/* ── Powered by ──────────────────────────── */
.aria-pw{
  text-align:center;padding:5px 0 5px;
  font-size:.61rem;color:var(--text3);
  flex-shrink:0;letter-spacing:.01em;
}
.aria-pw span{color:var(--c,#2563eb);font-weight:500;}

/* ── Responsive ──────────────────────────── */
@media(max-width:400px){
  #aria-win{width:calc(100vw - 20px);right:10px;bottom:82px;}
  #aria-toggle{bottom:18px;right:14px;}
  #aria-wrap[data-pos="left"] #aria-win{left:10px;right:auto;}
  #aria-wrap[data-pos="left"] #aria-toggle{left:14px;right:auto;}
}