/* ============================================================
   DRIP CLIENT — Floating AI Assistant
   Uses the same design tokens as assets/css/style.css (colors,
   radii, shadows) so it re-themes automatically with body.theme-light
   and matches the rest of the store.
   ============================================================ */

#aiAssistantRoot{position:fixed;right:20px;bottom:20px;z-index:9998;display:flex;flex-direction:column;align-items:flex-end;gap:14px;font-family:var(--font-body,'Inter',system-ui,sans-serif);}
#aiAssistantRoot.ai-anchor-below{flex-direction:column-reverse;}
#aiAssistantRoot.ai-anchor-left{align-items:flex-start;}

/* ── Floating action button ─────────────────────────────────── */
#aiFabBtn{
  position:relative;width:38px;height:38px;border-radius:50%;border:none;cursor:grab;
  background:linear-gradient(135deg,var(--pink) 0%,var(--purple) 100%);
  box-shadow:0 10px 30px rgba(255,45,168,.45),0 0 0 1px rgba(255,255,255,.08) inset;
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;
  animation:aiFabFloat 3.2s ease-in-out infinite;
  transition:transform .25s cubic-bezier(.34,1.56,.64,1),box-shadow .3s ease;
  touch-action:none;user-select:none;-webkit-user-select:none;
}
#aiFabBtn:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 14px 38px rgba(255,45,168,.6),0 0 0 1px rgba(255,255,255,.12) inset;}
#aiFabBtn:active{transform:translateY(0) scale(.97);}
#aiAssistantRoot.ai-dragging #aiFabBtn{cursor:grabbing;transition:none;animation:none;transform:scale(1.08);}
#aiFabBtn .ai-fab-icon-close{display:none;}
#aiAssistantRoot.ai-open #aiFabBtn .ai-fab-icon-open{display:none;}
#aiAssistantRoot.ai-open #aiFabBtn .ai-fab-icon-close{display:block;}
#aiAssistantRoot.ai-open #aiFabBtn{animation:none;}

.ai-fab-ring{
  position:absolute;inset:-6px;border-radius:50%;
  border:2px solid rgba(255,45,168,.55);
  animation:aiFabPulse 2.4s ease-out infinite;pointer-events:none;
}
.ai-fab-ring2{animation-delay:1.2s;border-color:rgba(157,61,240,.5);}
#aiAssistantRoot.ai-open .ai-fab-ring{display:none;}

.ai-fab-badge{
  position:absolute;top:-2px;right:-2px;min-width:16px;height:16px;padding:0 3px;border-radius:50%;
  background:var(--green,#16d39a);color:#06251c;font-size:9.5px;font-weight:800;
  display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 2px var(--bg,#08050f);
}
.ai-fab-badge.hidden{display:none;}

@keyframes aiFabFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-7px);}}
@keyframes aiFabPulse{0%{transform:scale(1);opacity:.7;}100%{transform:scale(1.55);opacity:0;}}

/* ── Chat window ─────────────────────────────────────────────── */
.ai-chat-window{
  width:360px;max-width:calc(100vw - 32px);height:min(560px,70vh);
  background:var(--modal-bg,#160a28);border:1px solid rgba(255,45,168,.18);border-radius:var(--radius-lg,22px);
  box-shadow:0 28px 70px rgba(0,0,0,.55);display:flex;flex-direction:column;overflow:hidden;
  backdrop-filter:blur(18px);transform-origin:bottom right;
  animation:aiWindowIn .32s cubic-bezier(.2,.9,.25,1.15) both;
}
.ai-chat-window.hidden{display:none;}
@keyframes aiWindowIn{from{opacity:0;transform:translateY(16px) scale(.92);}to{opacity:1;transform:translateY(0) scale(1);}}
@keyframes aiWindowOut{from{opacity:1;transform:translateY(0) scale(1);}to{opacity:0;transform:translateY(16px) scale(.92);}}
.ai-chat-window.ai-closing{animation:aiWindowOut .2s ease both;}

.ai-chat-head{
  display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px;
  background:linear-gradient(135deg,rgba(255,45,168,.18),rgba(157,61,240,.18));
  border-bottom:1px solid rgba(255,255,255,.08);flex-shrink:0;
}
.ai-chat-head-left{display:flex;align-items:center;gap:10px;min-width:0;}
.ai-chat-avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--pink),var(--purple));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  box-shadow:0 0 0 2px rgba(255,255,255,.12);
}
.ai-chat-name{font-size:14px;font-weight:800;color:var(--text,#fff);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.ai-chat-status{font-size:11px;color:var(--text-mute,#8a7da3);margin:2px 0 0;display:flex;align-items:center;gap:5px;}
.ai-status-dot{width:7px;height:7px;border-radius:50%;background:var(--green,#16d39a);box-shadow:0 0 6px var(--green,#16d39a);animation:aiStatusPulse 2s ease-in-out infinite;}
@keyframes aiStatusPulse{0%,100%{opacity:1;}50%{opacity:.4;}}

.ai-chat-close{
  width:30px;height:30px;border-radius:50%;border:none;background:rgba(255,255,255,.08);color:var(--text,#fff);
  display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;font-size:13px;
  transition:background .2s ease,transform .2s ease;
}
.ai-chat-close:hover{background:rgba(255,255,255,.16);transform:rotate(90deg);}

.ai-chat-messages{
  flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;
  scroll-behavior:smooth;
}
.ai-chat-messages::-webkit-scrollbar{width:5px;}
.ai-chat-messages::-webkit-scrollbar-thumb{background:rgba(255,45,168,.35);border-radius:10px;}

.ai-msg{max-width:84%;padding:10px 13px;border-radius:16px;font-size:13.5px;line-height:1.55;white-space:pre-wrap;word-wrap:break-word;animation:aiMsgIn .25s ease both;}
@keyframes aiMsgIn{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}
.ai-msg.ai-msg-bot{
  align-self:flex-start;background:var(--card,#1a1030);border:1px solid var(--card-border,#2a1a4a);
  color:var(--text,#fff);border-bottom-left-radius:5px;
}
.ai-msg.ai-msg-user{
  align-self:flex-end;background:linear-gradient(135deg,var(--pink),var(--purple));
  color:#fff;border-bottom-right-radius:5px;
}
.ai-msg.ai-msg-escalate{border-color:rgba(245,179,0,.4);}
.ai-msg a.ai-support-link{color:var(--pink);font-weight:700;text-decoration:underline;}

.ai-typing{align-self:flex-start;display:flex;gap:4px;padding:12px 14px;background:var(--card,#1a1030);border:1px solid var(--card-border,#2a1a4a);border-radius:16px;border-bottom-left-radius:5px;}
.ai-typing span{width:6px;height:6px;border-radius:50%;background:var(--text-mute,#8a7da3);animation:aiTypingBounce 1.2s infinite ease-in-out;}
.ai-typing span:nth-child(2){animation-delay:.15s;}
.ai-typing span:nth-child(3){animation-delay:.3s;}
@keyframes aiTypingBounce{0%,60%,100%{transform:translateY(0);opacity:.5;}30%{transform:translateY(-5px);opacity:1;}}

.ai-chat-suggestions{display:flex;flex-wrap:wrap;gap:8px;padding:0 16px 12px;flex-shrink:0;}
.ai-chip{
  border:1px solid rgba(255,45,168,.35);background:rgba(255,45,168,.08);color:var(--text,#fff);
  font-size:12px;font-weight:600;padding:7px 12px;border-radius:50px;cursor:pointer;white-space:nowrap;
  transition:background .2s ease,transform .15s ease;
}
.ai-chip:hover{background:rgba(255,45,168,.2);transform:translateY(-1px);}

.ai-chat-input-row{display:flex;align-items:center;gap:8px;padding:12px;border-top:1px solid rgba(255,255,255,.08);flex-shrink:0;background:var(--panel,#120a1f);}
.ai-chat-input-row input{
  flex:1;background:var(--surf-06,rgba(255,255,255,.06));border:1px solid var(--card-border,#2a1a4a);
  border-radius:50px;padding:11px 16px;color:var(--text,#fff);font-size:13.5px;outline:none;
  transition:border-color .2s ease;
}
.ai-chat-input-row input:focus{border-color:var(--pink);}
.ai-chat-input-row input::placeholder{color:var(--text-mute,#8a7da3);}
.ai-chat-send{
  width:40px;height:40px;border-radius:50%;border:none;flex-shrink:0;cursor:pointer;
  background:linear-gradient(135deg,var(--pink),var(--purple));color:#fff;font-size:14px;
  display:flex;align-items:center;justify-content:center;transition:transform .15s ease;
}
.ai-chat-send:hover{transform:scale(1.08);}
.ai-chat-send:disabled{opacity:.5;cursor:not-allowed;transform:none;}

/* ── Light theme ─────────────────────────────────────────────── */
body.theme-light .ai-chat-window{background:#ffffff;border-color:#e7e2f2;box-shadow:0 24px 60px rgba(30,20,60,.18);}
body.theme-light .ai-chat-head{border-bottom-color:#eee5f7;}
body.theme-light .ai-chat-input-row{background:#faf8ff;border-top-color:#eee5f7;}
body.theme-light .ai-chat-input-row input{background:#f2eefb;border-color:#e2d9f5;color:#1c1330;}
body.theme-light .ai-msg.ai-msg-bot{background:#f4f1fb;border-color:#e7e2f2;color:#1c1330;}
body.theme-light .ai-typing{background:#f4f1fb;border-color:#e7e2f2;}
body.theme-light .ai-chat-close{background:rgba(28,19,48,.08);color:#1c1330;}
body.theme-light .ai-fab-badge{box-shadow:0 0 0 2px #f5f4fb;}

/* ── Responsive: mobile full-screen sheet ───────────────────── */
@media (max-width:560px){
  #aiAssistantRoot{right:14px;bottom:14px;}
  #aiFabBtn{width:36px;height:36px;font-size:14px;}
  .ai-chat-window{
    position:fixed;inset:0;width:100%;max-width:100%;height:100%;max-height:100%;
    border-radius:0;
  }
  #aiAssistantRoot.ai-open #aiFabBtn{display:none;}
}

@media (max-width:380px){
  .ai-msg{max-width:90%;}
}