#ashane-ai-fab{position:fixed;bottom:20px;right:20px;width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,#6c5ce7 0%,#a855f7 50%,#6c5ce7 100%);cursor:grab;z-index:10000;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 15px rgba(108,92,231,.4),0 0 30px rgba(168,85,247,.2);transition:all .3s cubic-bezier(.4,0,.2,1);user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;-webkit-touch-callout:none;-webkit-user-drag:none;-webkit-tap-highlight-color:transparent;touch-action:none}
#ashane-ai-fab:hover{transform:scale(1.1) translateY(-2px);box-shadow:0 6px 25px rgba(108,92,231,.5),0 0 40px rgba(168,85,247,.3)}
#ashane-ai-fab:active{transform:scale(.95)}
#ashane-ai-fab.ashane-ai-fab-dragging{transition:none!important;cursor:grabbing;transform:scale(1.05);box-shadow:0 8px 30px rgba(108,92,231,.6),0 0 40px rgba(168,85,247,.35);opacity:.95}
#ashane-ai-fab.ashane-ai-fab-dragging:hover,#ashane-ai-fab.ashane-ai-fab-dragging:active{transform:scale(1.05)}
.ashane-ai-fab-icon{font-size:28px;line-height:1;z-index:2;filter:drop-shadow(0 1px 2px rgba(0,0,0,.2));font-weight:800;color:#fff}
.ashane-ai-fab-pulse{position:absolute;width:100%;height:100%;border-radius:50%;background:linear-gradient(135deg,#6c5ce7,#a855f7);opacity:0;animation:ashane-ai-pulse 2.5s ease-in-out infinite;z-index:1}
@keyframes ashane-ai-pulse{0%{transform:scale(1);opacity:.4}50%{transform:scale(1.35);opacity:0}100%{transform:scale(1);opacity:0}}
.ashane-ai-fab-hidden{transform:scale(0)!important;opacity:0!important;pointer-events:none!important}

.ashane-ai-panel{position:fixed;bottom:20px;right:20px;width:400px;height:560px;max-height:calc(100vh - 40px);background:#1a1a2e;border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.4),0 0 0 1px rgba(108,92,231,.2);z-index:10001;display:flex;flex-direction:column;overflow:hidden;transform:scale(0) translateY(20px);opacity:0;transform-origin:bottom right;transition:transform .3s cubic-bezier(.4,0,.2,1),opacity .2s ease;pointer-events:none}
.ashane-ai-panel.ashane-ai-open{transform:scale(1) translateY(0);opacity:1;pointer-events:all}
.ashane-ai-panel.ashane-ai-minimized{height:58px;overflow:hidden}
.ashane-ai-panel.ashane-ai-minimized .ashane-ai-messages,.ashane-ai-panel.ashane-ai-minimized .ashane-ai-suggestions,.ashane-ai-panel.ashane-ai-minimized .ashane-ai-input-area{display:none}

.ashane-ai-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:linear-gradient(135deg,#6c5ce7,#a855f7);color:#fff;flex-shrink:0}
.ashane-ai-header-left{display:flex;align-items:center;gap:10px}
.ashane-ai-header-icon{font-size:24px;filter:drop-shadow(0 1px 3px rgba(0,0,0,.3));font-weight:800;color:#fff}
.ashane-ai-header-title{font-size:16px;font-weight:700;letter-spacing:.3px}
.ashane-ai-header-subtitle{font-size:11px;opacity:.85;letter-spacing:.2px}
.ashane-ai-header-actions{display:flex;gap:4px}
.ashane-ai-header-btn{width:28px;height:28px;border-radius:6px;border:none;background:rgba(255,255,255,.15);color:#fff;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:background .2s;line-height:1}
.ashane-ai-header-btn:hover{background:rgba(255,255,255,.3)}
.ashane-ai-close-btn:hover{background:rgba(231,76,60,.6)!important}

.ashane-ai-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;scrollbar-width:thin;scrollbar-color:rgba(108,92,231,.3) transparent}
.ashane-ai-messages::-webkit-scrollbar{width:5px}
.ashane-ai-messages::-webkit-scrollbar-track{background:transparent}
.ashane-ai-messages::-webkit-scrollbar-thumb{background:rgba(108,92,231,.3);border-radius:3px}

.ashane-ai-message{display:flex;align-items:flex-start;gap:8px;max-width:90%;animation:ashane-ai-msg-in .25s ease-out}
@keyframes ashane-ai-msg-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.ashane-ai-msg-user{align-self:flex-end;flex-direction:row-reverse}
.ashane-ai-msg-assistant{align-self:flex-start}

.ashane-ai-avatar{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;background:linear-gradient(135deg,#6c5ce7,#a855f7);box-shadow:0 2px 8px rgba(108,92,231,.3)}
.ashane-ai-avatar-user{background:linear-gradient(135deg,#3498db,#2ecc71);box-shadow:0 2px 8px rgba(52,152,219,.3)}

.ashane-ai-bubble{padding:10px 14px;border-radius:14px;border-top-left-radius:4px;font-size:13px;line-height:1.5;word-break:break-word;background:#16213e;color:#e0e0e0;box-shadow:0 1px 4px rgba(0,0,0,.2)}
.ashane-ai-bubble-user{background:linear-gradient(135deg,#6c5ce7,#7c3aed);color:#fff;border-top-left-radius:14px;border-top-right-radius:4px}
.ashane-ai-bubble h2,.ashane-ai-bubble h3,.ashane-ai-bubble h4{margin:4px 0 6px;color:#a78bfa;font-weight:600}
.ashane-ai-bubble h2{font-size:15px}.ashane-ai-bubble h3{font-size:14px}.ashane-ai-bubble h4{font-size:13px}
.ashane-ai-bubble strong{color:#c4b5fd;font-weight:600}
.ashane-ai-bubble-user strong{color:#fff}
.ashane-ai-bubble em{color:#9ca3af;font-style:italic}
.ashane-ai-bubble-user em{color:rgba(255,255,255,.8)}
.ashane-ai-bubble code{background:rgba(108,92,231,.15);padding:1px 5px;border-radius:3px;font-family:'Cascadia Code','Fira Code',monospace;font-size:12px;color:#a78bfa}

.ashane-ai-typing{display:flex;align-items:center;gap:4px;padding:10px 14px}
.ashane-ai-dot{width:7px;height:7px;border-radius:50%;background:#a78bfa;animation:ashane-ai-dot-bounce 1.4s ease-in-out infinite}
.ashane-ai-dot:nth-child(2){animation-delay:.16s}
.ashane-ai-dot:nth-child(3){animation-delay:.32s}
@keyframes ashane-ai-dot-bounce{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}

.ashane-ai-suggestions{padding:6px 12px;display:flex;gap:6px;overflow-x:auto;flex-shrink:0;scrollbar-width:none}
.ashane-ai-suggestions::-webkit-scrollbar{display:none}
.ashane-ai-suggestion-btn{padding:6px 12px;border-radius:16px;border:1px solid rgba(108,92,231,.3);background:rgba(108,92,231,.08);color:#a78bfa;font-size:12px;white-space:nowrap;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:5px}
.ashane-ai-suggestion-btn:hover{background:rgba(108,92,231,.2);border-color:rgba(108,92,231,.5);transform:translateY(-1px)}
.ashane-ai-suggestion-btn i{font-size:11px}

.ashane-ai-input-area{padding:10px 14px 8px;border-top:1px solid rgba(108,92,231,.15);background:#12122a;flex-shrink:0}
.ashane-ai-input-wrapper{display:flex;gap:8px;align-items:center}
.ashane-ai-input{flex:1;padding:10px 14px;border-radius:10px;border:1px solid rgba(108,92,231,.25);background:#1a1a3e;color:#e0e0e0;font-size:13px;outline:none;transition:border-color .2s,box-shadow .2s;font-family:inherit}
.ashane-ai-input::placeholder{color:#6b7280}
.ashane-ai-input:focus{border-color:rgba(108,92,231,.6);box-shadow:0 0 0 3px rgba(108,92,231,.1)}
.ashane-ai-send-btn{width:38px;height:38px;border-radius:10px;border:none;background:linear-gradient(135deg,#6c5ce7,#a855f7);color:#fff;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0;box-shadow:0 2px 8px rgba(108,92,231,.3)}
.ashane-ai-send-btn:hover{transform:scale(1.05);box-shadow:0 4px 12px rgba(108,92,231,.4)}
.ashane-ai-send-btn:active{transform:scale(.95)}
.ashane-ai-input-hint{font-size:10px;color:#6b7280;text-align:center;margin-top:6px}

@media (prefers-color-scheme: light){
.ashane-ai-panel{background:#fff;box-shadow:0 12px 40px rgba(0,0,0,.15),0 0 0 1px rgba(108,92,231,.2)}
.ashane-ai-bubble{background:#f3f4f6;color:#1f2937}
.ashane-ai-bubble-user{background:linear-gradient(135deg,#6c5ce7,#7c3aed);color:#fff}
.ashane-ai-bubble h2,.ashane-ai-bubble h3,.ashane-ai-bubble h4{color:#6c5ce7}
.ashane-ai-bubble strong{color:#4c1d95}
.ashane-ai-bubble-user strong{color:#fff}
.ashane-ai-input{background:#f9fafb;color:#1f2937;border-color:#d1d5db}
.ashane-ai-input:focus{border-color:#6c5ce7;box-shadow:0 0 0 3px rgba(108,92,231,.1)}
.ashane-ai-input-area{background:#f9fafb;border-top-color:#e5e7eb}
.ashane-ai-suggestion-btn{border-color:#d1d5db;background:rgba(108,92,231,.05);color:#6c5ce7}
.ashane-ai-suggestion-btn:hover{background:rgba(108,92,231,.1);border-color:#6c5ce7}
.ashane-ai-dot{background:#6c5ce7}
}

@media (max-width:480px){
.ashane-ai-panel{width:calc(100vw - 16px);height:calc(100vh - 80px);bottom:8px;right:8px;border-radius:12px}
#ashane-ai-fab{bottom:16px;right:16px;width:56px;height:56px}
.ashane-ai-fab-icon{font-size:24px}
}
@media (min-width:481px) and (max-width:768px){
.ashane-ai-panel{width:360px;height:500px}
}
@media print{#ashane-ai-fab,.ashane-ai-panel{display:none!important}}

/* ── AI Model settings panel ─────────────────────────────────────────── */
.ashane-ai-settings-panel{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(15,23,42,.55);z-index:2147483646;display:flex;align-items:center;justify-content:center;padding:16px}
.ashane-ai-settings-card{background:#fff;color:#1f2937;border-radius:14px;width:min(460px,100%);max-height:90vh;overflow:auto;box-shadow:0 20px 60px rgba(0,0,0,.35);display:flex;flex-direction:column;font-family:Segoe UI,Arial,sans-serif}
.ashane-ai-settings-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid #e5e7eb;font-weight:700;font-size:15px;position:sticky;top:0;background:#fff;z-index:1}
.ashane-ai-settings-x{background:none;border:none;color:#6b7280;font-size:22px;cursor:pointer;line-height:1;padding:0 4px}
.ashane-ai-settings-x:hover{color:#111827}
.ashane-ai-settings-body{padding:14px 16px;display:flex;flex-direction:column;gap:12px;flex:1}
.ashane-ai-settings-note{font-size:12px;color:#6b7280;line-height:1.45;margin:0}
.ashane-ai-cfg-toggle{display:flex;align-items:flex-start;gap:10px;cursor:pointer}
.ashane-ai-cfg-toggle input{width:18px;height:18px;margin-top:1px;accent-color:#6c5ce7}
.ashane-ai-cfg-toggle strong{display:block;font-size:13.5px;color:#111827}
.ashane-ai-cfg-toggle em{font-style:normal;font-size:11.5px;color:#6b7280}
.ashane-ai-cfg-field{display:flex;flex-direction:column;gap:5px;font-size:12.5px;font-weight:600;color:#374151}
.ashane-ai-cfg-field input,.ashane-ai-cfg-field select,.ashane-ai-cfg-field textarea{font-weight:400;font-size:13px;color:#111827;padding:8px 10px;border:1px solid #d1d5db;border-radius:8px;background:#f9fafb;outline:none;font-family:inherit}
.ashane-ai-cfg-field input:focus,.ashane-ai-cfg-field select:focus,.ashane-ai-cfg-field textarea:focus{border-color:#6c5ce7;box-shadow:0 0 0 3px rgba(108,92,231,.12)}
.ashane-ai-cfg-field textarea{resize:vertical}
.ashane-ai-cfg-row2{display:flex;gap:12px}
.ashane-ai-cfg-small{flex:1}
.ashane-ai-cfg-status{font-size:12.5px;color:#6b7280;min-height:18px}
.ashane-ai-settings-footer{display:flex;align-items:center;gap:8px;padding:12px 16px;border-top:1px solid #e5e7eb}
.ashane-ai-spacer{flex:1}
.ashane-ai-cfg-btn{background:#e5e7eb;color:#111827;border:none;border-radius:8px;padding:8px 12px;font-size:12.5px;font-weight:600;cursor:pointer}
.ashane-ai-cfg-btn:hover{background:#d1d5db}
.ashane-ai-cfg-btn-primary{background:#6c5ce7;color:#fff}
.ashane-ai-cfg-btn-primary:hover{background:#5a4bd1}
.ashane-ai-cfg-btn-secondary{background:transparent;color:#6b7280}
.ashane-ai-cfg-btn-secondary:hover{background:#f3f4f6;color:#111827}
@media (max-width:480px){.ashane-ai-settings-card{width:100%}}