:root{--acb-bg:#ffffff;--acb-text:#0f172a;--acb-primary:#ffb300;--acb-muted:#f7f7fb;--acb-border:#e7e9ef;--acb-shadow:0 14px 40px rgba(0,0,0,.10);--acb-grad:linear-gradient(135deg, #ffb300 0%, #ff6a00 100%)}[data-acb-theme="dark"]{--acb-bg:#0c1222;--acb-text:#e6edf6;--acb-primary:#ffc147;--acb-muted:#131a2c;--acb-border:#20283a;--acb-shadow:0 14px 40px rgba(0,0,0,.45);--acb-grad:linear-gradient(135deg, #ffc147 0%, #ff7a1a 100%)}.acb-fab{position:fixed;width:62px;height:62px;background:var(--acb-bg);color:var(--acb-text);border-radius:18px;display:grid;place-items:center;box-shadow:var(--acb-shadow);cursor:pointer;z-index:2147483647;user-select:none;border:1px solid var(--acb-border);transition:transform .18s ease,box-shadow .18s ease}.acb-fab.acb-left{left:20px;right:auto;top:50%;transform:translateY(-50%)}.acb-fab:hover{transform:translateY(calc(-50% - 2px));box-shadow:0 18px 50px rgba(0,0,0,.12)}.acb-fab:active{transform:translateY(-50%)}.acb-fab[data-inline="1"]{position:relative;left:auto;top:auto;transform:none;margin:10px 0}.acb-fab__logo{width:28px;height:28px;object-fit:contain;border-radius:6px;display:block}.acb-fab__tag{position:absolute;top:-8px;right:-8px;padding:4px 8px;font-size:12px;font-weight:800;letter-spacing:.5px;color:#fff;background:var(--acb-grad);border-radius:999px;border:2px solid var(--acb-bg);box-shadow:var(--acb-shadow)}.acb-fab__badge{position:absolute;bottom:-6px;left:-6px;background:#ef4444;color:#fff;width:22px;height:22px;border-radius:999px;display:grid;place-items:center;font-size:12px;box-shadow:var(--acb-shadow)}.acb-panel{position:fixed;left:20px;right:auto;top:50%;transform:translateY(-50%) scale(.98);width:420px;max-height:86vh;background:var(--acb-bg);border:1px solid var(--acb-border);border-radius:20px;box-shadow:var(--acb-shadow);display:flex;flex-direction:column;opacity:0;pointer-events:none;transition:.22s 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var(--acb-border);border-radius:10px;padding:6px 10px;cursor:pointer;transition:background .15s ease,transform .1s ease}.acb-actions button:hover{background:rgba(0,0,0,.05)}.acb-actions button:active{transform:translateY(1px)}.acb-kb{position:absolute;inset:56px 0 0 0;background:var(--acb-bg);border-top:1px solid var(--acb-border);display:flex;flex-direction:column}.acb-kb[hidden]{display:none}.acb-kb__header{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px dashed var(--acb-border)}.acb-kb__body{padding:12px;overflow:auto;line-height:1.8}.acb-messages{padding:12px;overflow:auto;gap:10px;display:flex;flex-direction:column;background:var(--acb-bg)}.acb-msg{max-width:85%;padding:12px 14px;border-radius:14px;line-height:1.75;border:1px solid transparent;animation:acb-pop .2s ease both;word-wrap:break-word}@keyframes acb-pop{from{transform:translateY(4px);opacity:0}to{transform:translateY(0);opacity:1}}.acb-msg.user{margin-inline-start:auto;background:var(--acb-primary);color:#1c1c1c;border-bottom-right-radius:6px;border-color:transparent}.acb-msg.bot{background:var(--acb-muted);color:var(--acb-text);border-bottom-left-radius:6px;border:1px solid var(--acb-border)}.acb-msg code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:rgba(0,0,0,.08);padding:2px 6px;border-radius:6px;display:inline-block;direction:ltr}.acb-thinking{display:flex;align-items:center}.acb-dots{display:inline-flex;gap:4px}.acb-dots i{width:6px;height:6px;background:#9aa3af;border-radius:999px;display:inline-block;animation:acb-bounce 1s infinite}.acb-dots i:nth-child(2){animation-delay:.15s}.acb-dots i:nth-child(3){animation-delay:.3s}@keyframes acb-bounce{0%,80%,100%{transform:translateY(0);opacity:.6}40%{transform:translateY(-4px);opacity:1}}.acb-quick{display:flex;gap:8px;padding:8px 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rgba(255,106,0,.28);transition:transform .12s ease,box-shadow .12s ease}.acb-send:hover{transform:translateY(-1px);box-shadow:0 12px 36px rgba(255,106,0,.32)}.acb-send:active{transform:translateY(0)}@media (max-width:480px){.acb-fab.acb-left{left:auto;right:12px;top:auto;bottom:12px;transform:none}.acb-panel.acb-left{left:12px;right:12px;top:auto;bottom:86px;transform:none;width:auto;max-height:78vh}}.acb-fab,.acb-panel{z-index:2147483647!important}