:root{
  --bg0:#060a16;--bg1:#080d1c;--bg2:#0c1226;--bg3:#111a36;
  --sur:#0e1530;--sur2:#141d40;--sur3:#1b2650;
  --acc:#4f8ef8;--acc2:#f5c842;
  --asoft:rgba(79,142,248,.1);--aborder:rgba(79,142,248,.2);
  --aglow:rgba(79,142,248,.18);--ahi:#85bbff;--adim:rgba(79,142,248,.4);
  --tx0:#e4edff;--tx1:#8eadd8;--tx2:rgba(142,173,216,.5);--tx3:rgba(142,173,216,.28);
  --line:rgba(79,142,248,.08);--line2:rgba(79,142,248,.15);
  --font:'DM Sans',sans-serif;--disp:'Syne',sans-serif;--mono:'DM Mono',monospace;
  --sb:260px;--hh:56px;
}
[data-theme="emerald"]{--acc:#22d37a;--asoft:rgba(34,211,122,.1);--aborder:rgba(34,211,122,.2);--aglow:rgba(34,211,122,.16);--ahi:#6ee9aa;--adim:rgba(34,211,122,.4);--bg0:#030f08;--bg1:#05140b;--bg2:#07190e;--bg3:#0c2218;--sur:#071910;--sur2:#0d2519;--sur3:#122e1f;--line:rgba(34,211,122,.08);--line2:rgba(34,211,122,.14);--tx0:#d4fde8;--tx1:#72c899;--tx2:rgba(114,200,153,.5);--tx3:rgba(114,200,153,.28);}
[data-theme="violet"]{--acc:#9b5cf8;--asoft:rgba(155,92,248,.1);--aborder:rgba(155,92,248,.2);--aglow:rgba(155,92,248,.16);--ahi:#c298ff;--adim:rgba(155,92,248,.4);--bg0:#08050f;--bg1:#0c0817;--bg2:#100c20;--bg3:#16112c;--sur:#0f0c1e;--sur2:#17132c;--sur3:#1e1938;--line:rgba(155,92,248,.08);--line2:rgba(155,92,248,.14);--tx0:#eaddff;--tx1:#b49ae0;--tx2:rgba(180,154,224,.5);--tx3:rgba(180,154,224,.28);}
[data-theme="sunrise"]{--acc:#f8763c;--asoft:rgba(248,118,60,.1);--aborder:rgba(248,118,60,.2);--aglow:rgba(248,118,60,.16);--ahi:#ffaa78;--adim:rgba(248,118,60,.4);--bg0:#120700;--bg1:#180c04;--bg2:#1d1108;--bg3:#271808;--sur:#1c1108;--sur2:#261a0d;--sur3:#2e2012;--line:rgba(248,118,60,.08);--line2:rgba(248,118,60,.14);--tx0:#ffede4;--tx1:#d4a07a;--tx2:rgba(212,160,122,.5);--tx3:rgba(212,160,122,.28);}
[data-theme="light"]{--acc:#2253e6;--asoft:rgba(34,83,230,.08);--aborder:rgba(34,83,230,.18);--aglow:rgba(34,83,230,.1);--ahi:#4a78f5;--adim:rgba(34,83,230,.45);--bg0:#eef2fd;--bg1:#f4f7fe;--bg2:#edf0fb;--bg3:#e4e9f8;--sur:#ffffff;--sur2:#e8edf8;--sur3:#dce3f5;--line:rgba(34,83,230,.09);--line2:rgba(34,83,230,.16);--tx0:#0c1838;--tx1:#2a4082;--tx2:rgba(42,64,130,.5);--tx3:rgba(42,64,130,.26);}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{height:100%;-webkit-text-size-adjust:100%;}
body{font-family:var(--font);background:var(--bg0);color:var(--tx0);min-height:100%;display:flex;-webkit-font-smoothing:antialiased;overflow:hidden;height:100dvh;}
a{color:var(--ahi);}a:hover{color:var(--tx0);}

.app{display:flex;width:100%;height:100dvh;overflow:hidden;position:relative;}
.sidebar{width:var(--sb);min-width:var(--sb);height:100%;background:var(--bg2);border-right:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden;transition:transform .28s cubic-bezier(.4,0,.2,1);flex-shrink:0;}
.main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0;}

/* Logo Supernova */
.sn-wrap{position:relative;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.sn-wrap.lg{width:54px;height:54px;} .sn-wrap.sm{width:36px;height:36px;}
.sn-scene{width:100%;height:100%;position:relative;display:flex;align-items:center;justify-content:center;transform-style:preserve-3d;animation:snTilt 9s ease-in-out infinite;}
@keyframes snTilt{0%,100%{transform:perspective(200px) rotateX(5deg) rotateY(-4deg);}33%{transform:perspective(200px) rotateX(-4deg) rotateY(7deg);}66%{transform:perspective(200px) rotateX(7deg) rotateY(-6deg);}}
.sn-ring{position:absolute;border-radius:50%;border:1.5px solid var(--acc);opacity:0;animation:snExp 3.2s ease-out infinite;}
.sn-ring:nth-child(1){animation-delay:0s;} .sn-ring:nth-child(2){animation-delay:1.07s;border-color:var(--ahi);} .sn-ring:nth-child(3){animation-delay:2.13s;border-color:var(--adim);}
.sn-wrap.lg .sn-ring{width:28px;height:28px;margin-top:-14px;margin-left:-14px;top:50%;left:50%;}
.sn-wrap.sm .sn-ring{width:18px;height:18px;margin-top:-9px;margin-left:-9px;top:50%;left:50%;}
@keyframes snExp{0%{transform:scale(1);opacity:.9;}100%{transform:scale(3.2);opacity:0;}}
.sn-nucleus{position:absolute;border-radius:50%;background:radial-gradient(circle at 32% 28%,var(--ahi),var(--acc) 52%,#2040c0);box-shadow:0 0 10px var(--acc),0 0 26px var(--aglow),inset 0 -4px 10px rgba(0,0,60,.5);animation:snGlow 5s ease-in-out infinite;top:50%;left:50%);}
.sn-wrap.lg .sn-nucleus{width:32px;height:32px;margin-top:-16px;margin-left:-16px;}
.sn-wrap.sm .sn-nucleus{width:20px;height:20px;margin-top:-10px;margin-left:-10px;}
@keyframes snGlow{0%,100%{filter:hue-rotate(0deg);box-shadow:0 0 10px var(--acc),0 0 26px var(--aglow),inset 0 -4px 10px rgba(0,0,60,.5);}33%{filter:hue-rotate(22deg);box-shadow:0 0 16px var(--ahi),0 0 40px rgba(130,190,255,.3),inset 0 -4px 10px rgba(0,0,60,.5);}66%{filter:hue-rotate(-18deg);box-shadow:0 0 12px #9060f0,0 0 30px rgba(160,90,240,.25),inset 0 -4px 10px rgba(0,0,60,.5);}}
.sn-inner{position:absolute;border-radius:50%;background:radial-gradient(circle at 38% 32%,rgba(255,255,255,.5),transparent 60%);top:15%;left:15%;width:35%;height:35%;}

/* Sidebar */
.sb-head{display:flex;align-items:center;gap:12px;padding:18px 16px 14px;border-bottom:1px solid var(--line);flex-shrink:0;}
.sb-brand{display:flex;flex-direction:column;}
.sb-name{font-family:var(--disp);font-size:16px;font-weight:800;color:var(--tx0);letter-spacing:.3px;}
.sb-sub{font-family:var(--mono);font-size:9px;color:var(--tx3);letter-spacing:2.5px;text-transform:uppercase;margin-top:1px;}
.sb-new{margin-left:auto;padding:5px 10px;border-radius:8px;background:var(--asoft);border:1px solid var(--aborder);color:var(--acc);font-size:11px;font-weight:600;cursor:pointer;font-family:var(--font);transition:all .2s;white-space:nowrap;}
.sb-new:hover{background:var(--aborder);}
.sb-nav{flex:1;overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:1px;scrollbar-width:none;}
.sb-nav::-webkit-scrollbar{display:none;}
.sb-sec{font-family:var(--mono);font-size:9px;color:var(--tx3);letter-spacing:2.5px;text-transform:uppercase;padding:10px 8px 5px;}
.sb-tab{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;cursor:pointer;border:1px solid transparent;transition:all .18s;}
.sb-tab:hover{background:var(--sur);border-color:var(--line);}
.sb-tab.active{background:var(--asoft);border-color:var(--aborder);}
.sb-tab-ico{width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;background:var(--sur2);}
.sb-tab.active .sb-tab-ico{background:var(--asoft);}
.sb-tab-info{display:flex;flex-direction:column;}
.sb-tab-label{font-size:12.5px;font-weight:600;color:var(--tx1);font-family:var(--disp);}
.sb-tab.active .sb-tab-label{color:var(--acc);}
.sb-tab-desc{font-size:10px;color:var(--tx3);margin-top:1px;}
.sb-bot{padding:10px 8px;border-top:1px solid var(--line);flex-shrink:0;display:flex;flex-direction:column;gap:4px;}
.sb-btn{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:9px;cursor:pointer;border:1px solid var(--line);background:transparent;font-family:var(--font);font-size:12px;color:var(--tx2);transition:all .18s;width:100%;}
.sb-btn:hover{background:var(--sur);color:var(--tx1);border-color:var(--line2);}

/* Header */
.nx-hdr{display:flex;align-items:center;justify-content:space-between;padding:0 14px;height:var(--hh);background:var(--bg1);border-bottom:1px solid var(--line);flex-shrink:0;gap:10px;}
.hdr-l{display:flex;align-items:center;gap:8px;}
.menu-btn{width:32px;height:32px;border-radius:8px;background:var(--asoft);border:1px solid var(--aborder);display:flex;align-items:center;justify-content:center;cursor:pointer;display:none;}
.dom-chip{display:flex;align-items:center;gap:7px;padding:4px 11px 4px 7px;border-radius:999px;background:var(--sur);border:1px solid var(--line2);}
.dom-chip-icon{font-size:13px;}
.dom-chip-label{font-family:var(--disp);font-size:12px;font-weight:700;color:var(--tx1);}
.hdr-r{display:flex;align-items:center;gap:6px;}
.nx-ctr{font-family:var(--mono);font-size:11px;color:var(--acc);background:var(--asoft);border:1px solid var(--aborder);border-radius:999px;padding:3px 9px;}
.nx-ctr.warn{color:#fb923c;border-color:rgba(251,146,60,.3);background:rgba(251,146,60,.08);}
.nx-ctr.full{color:#f87171;border-color:rgba(248,113,113,.3);background:rgba(248,113,113,.08);}
.hdr-btn{width:32px;height:32px;border-radius:8px;background:var(--sur);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .18s;}
.hdr-btn:hover{background:var(--sur2);border-color:var(--line2);}
.av-l{font-family:var(--mono);font-size:11px;font-weight:700;color:var(--acc);}

.limit-banner{display:none;align-items:center;gap:10px;padding:9px 14px;background:rgba(248,113,113,.06);border-bottom:1px solid rgba(248,113,113,.16);font-size:12px;color:#fca5a5;flex-shrink:0;}

/* Chat */
.nx-chat{flex:1;overflow-y:auto;padding:32px 0;display:flex;flex-direction:column;gap:0;scroll-behavior:smooth;}
.nx-chat::-webkit-scrollbar{width:3px;}
.nx-chat::-webkit-scrollbar-thumb{background:var(--aborder);border-radius:2px;}

.welcome-card{padding:0 32px 28px;animation:msgIn .4s ease both;}
.wc-inner{background:linear-gradient(135deg,var(--sur) 0%,var(--sur2) 100%);border:1px solid var(--line2);border-radius:18px;padding:22px 24px;}
.wc-hdr{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.wc-ico{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;background:var(--asoft);border:1px solid var(--aborder);}
.wc-title{font-family:var(--disp);font-size:17px;font-weight:800;color:var(--tx0);}
.wc-sub{font-size:11.5px;color:var(--tx2);margin-top:2px;}
.wc-body{font-size:13.5px;line-height:1.72;color:var(--tx1);}
.wc-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px;}
.wc-tag{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;background:var(--bg3);border:1px solid var(--line2);font-size:11px;color:var(--tx2);font-weight:500;}

.ai-msg{padding:24px 32px;animation:msgIn .3s ease both;border-bottom:1px solid var(--line);position:relative;}
.ai-msg:last-of-type{border-bottom:none;}
.ai-msg:hover .ai-actions{opacity:1;}
.ai-meta{font-family:var(--mono);font-size:9px;color:var(--tx3);letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.ai-meta::before{content:'';width:16px;height:1.5px;background:var(--acc);border-radius:1px;opacity:.6;}
.ai-body{font-size:14.5px;line-height:1.8;color:var(--tx0);max-width:840px;}
.ai-body h1{font-family:var(--disp);font-size:20px;font-weight:800;color:var(--tx0);margin:18px 0 8px;border-bottom:1px solid var(--line2);padding-bottom:6px;}
.ai-body h2{font-family:var(--disp);font-size:17px;font-weight:700;color:var(--tx0);margin:16px 0 7px;}
.ai-body h3{font-family:var(--disp);font-size:15px;font-weight:600;color:var(--ahi);margin:13px 0 6px;}
.ai-body h4{font-size:13.5px;font-weight:700;color:var(--tx0);margin:10px 0 5px;}
.ai-body p{margin:0 0 10px;} .ai-body p:last-child{margin-bottom:0;}
.ai-body strong{font-weight:700;color:var(--tx0);} .ai-body em{font-style:italic;color:var(--tx2);} .ai-body del{text-decoration:line-through;color:var(--tx3);}
.ai-body ul,.ai-body ol{padding-left:22px;margin:6px 0 10px;} .ai-body li{margin:4px 0;line-height:1.65;}
.ai-body ul li::marker{color:var(--acc);} .ai-body ol li::marker{color:var(--acc);font-weight:600;font-family:var(--mono);}
.ai-body blockquote{border-left:3px solid var(--aborder);padding:8px 14px;margin:10px 0;color:var(--tx2);background:var(--asoft);border-radius:0 8px 8px 0;font-style:italic;}
.ai-body hr{border:none;border-top:1px solid var(--line2);margin:16px 0;}
.ai-body code{font-family:var(--mono);font-size:12.5px;background:var(--bg3);color:var(--ahi);padding:1px 6px;border-radius:5px;border:1px solid var(--line2);}
.ai-body pre{background:var(--bg0);border:1px solid var(--line2);border-radius:10px;padding:14px 16px;overflow-x:auto;margin:10px 0;}
.ai-body pre code{background:transparent;border:none;padding:0;color:var(--tx1);font-size:12.5px;line-height:1.6;}
.ai-body table{border-collapse:collapse;width:100%;margin:10px 0;font-size:13px;}
.ai-body th{background:var(--bg3);color:var(--ahi);padding:8px 12px;text-align:left;border:1px solid var(--line2);font-weight:700;font-family:var(--disp);}
.ai-body td{padding:7px 12px;border:1px solid var(--line);color:var(--tx1);}
.ai-body tr:nth-child(even) td{background:rgba(79,142,248,.04);}
.ai-body a{color:var(--ahi);text-decoration:underline;text-decoration-style:dotted;}
.ai-actions{display:flex;align-items:center;gap:8px;margin-top:14px;opacity:0;transition:opacity .2s;}
.ai-act-btn{display:flex;align-items:center;gap:5px;padding:5px 10px;border-radius:8px;background:transparent;border:1px solid var(--line);color:var(--tx3);font-size:11.5px;cursor:pointer;font-family:var(--font);transition:all .18s;}
.ai-act-btn:hover{background:var(--sur);color:var(--tx1);border-color:var(--line2);}
.ai-act-btn.good{color:#4ade80;} .ai-act-btn.bad{color:#f87171;} .ai-act-btn.copied{color:var(--acc);}
.ai-act-btn.good:hover{background:rgba(74,222,128,.08);border-color:rgba(74,222,128,.2);}
.ai-act-btn.bad:hover{background:rgba(248,113,113,.08);border-color:rgba(248,113,113,.2);}
.ai-src{font-family:var(--mono);font-size:9.5px;color:var(--tx3);display:flex;align-items:center;gap:4px;margin-top:4px;}
.ai-src.ok{color:#4ade80;} .ai-src.warn{color:#fb923c;}

.ai-typing{padding:20px 32px;display:none;}
.typing-label{font-family:var(--mono);font-size:9px;color:var(--tx3);letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.typing-label::before{content:'';width:16px;height:1.5px;background:var(--acc);border-radius:1px;opacity:.4;}
.nx-dots{display:flex;gap:5px;align-items:center;}
.nx-dot{width:5px;height:5px;border-radius:50%;background:var(--adim);animation:dotB 1.2s ease-in-out infinite;}
.nx-dot:nth-child(2){animation-delay:.15s;} .nx-dot:nth-child(3){animation-delay:.3s;}
@keyframes dotB{0%,80%,100%{transform:translateY(0);opacity:.5;}40%{transform:translateY(-5px);opacity:1;}}

.user-msg{padding:16px 32px;display:flex;justify-content:flex-end;animation:msgIn .25s ease both;}
.user-bubble{max-width:min(75%,600px);padding:12px 16px;background:var(--asoft);border:1px solid var(--aborder);border-radius:14px 14px 3px 14px;font-size:13.5px;line-height:1.65;color:var(--tx0);}
.user-attach-tag{display:inline-flex;align-items:center;gap:5px;font-size:11px;color:var(--adim);margin-bottom:6px;font-family:var(--mono);}
@keyframes msgIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}

/* Input */
.nx-input-zone{flex-shrink:0;background:var(--bg1);border-top:1px solid var(--line);padding:12px 20px 18px;}
.chips-row{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-bottom:10px;}
.chips-row::-webkit-scrollbar{display:none;}
.nx-chip{display:inline-flex;align-items:center;gap:4px;padding:5px 11px;border-radius:999px;border:1px solid var(--aborder);background:var(--asoft);color:var(--adim);font-size:11.5px;cursor:pointer;white-space:nowrap;transition:all .18s;font-weight:500;}
.nx-chip:hover{background:var(--aborder);color:var(--tx0);}
.input-row{display:flex;align-items:flex-end;gap:8px;background:var(--sur);border:1px solid var(--line2);border-radius:16px;padding:10px 10px 10px 16px;transition:border-color .2s,box-shadow .2s;}
.input-row:focus-within{border-color:var(--aborder);box-shadow:0 0 22px var(--aglow);}
.attach-btn{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);background:transparent;color:var(--tx3);display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:all .18s;font-size:14px;line-height:1;}
.attach-btn:hover{background:var(--sur2);color:var(--tx1);border-color:var(--line2);}
.nx-ta{flex:1;background:transparent;border:none;outline:none;color:var(--tx0);font-family:var(--font);font-size:14px;line-height:1.55;resize:none;min-height:22px;max-height:120px;}
.nx-ta::placeholder{color:var(--tx3);}
.nx-send{width:34px;height:34px;border-radius:50%;background:var(--acc);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .15s,opacity .15s;}
.nx-send:hover{transform:scale(1.08);} .nx-send:disabled{opacity:.32;cursor:not-allowed;transform:none;}
.attach-preview{display:none;align-items:center;gap:8px;padding:6px 10px;background:var(--sur2);border:1px solid var(--line2);border-radius:8px;font-size:11.5px;color:var(--tx2);margin-bottom:8px;flex-wrap:wrap;}
.attach-preview.visible{display:flex;}
.attach-name{font-family:var(--mono);color:var(--acc);}
.attach-remove{cursor:pointer;color:var(--tx3);font-size:14px;transition:color .18s;margin-left:auto;}
.attach-remove:hover{color:#f87171;}
.nx-hint{font-size:11px;color:var(--tx3);text-align:center;padding-top:7px;font-family:var(--mono);}

/* Profile Drawer */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:400;opacity:0;pointer-events:none;transition:opacity .25s;backdrop-filter:blur(3px);}
.overlay.open{opacity:1;pointer-events:all;}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(380px,96vw);background:var(--bg2);border-left:1px solid var(--line);z-index:401;transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;}
.drawer.open{transform:translateX(0);}
.d-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line);flex-shrink:0;}
.d-head h2{font-family:var(--disp);font-size:14px;color:var(--acc);font-weight:700;}
.d-close{width:28px;height:28px;border-radius:50%;background:var(--sur);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--tx2);font-size:12px;transition:all .18s;}
.d-close:hover{background:var(--sur2);}
.d-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:18px;scrollbar-width:thin;scrollbar-color:var(--aborder) transparent;}
.d-tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);padding-bottom:14px;}
.d-tab{flex:1;padding:7px 4px;border-radius:8px;border:1px solid transparent;background:transparent;font-family:var(--font);font-size:11.5px;color:var(--tx2);cursor:pointer;text-align:center;font-weight:500;transition:all .18s;}
.d-tab.active{background:var(--asoft);border-color:var(--aborder);color:var(--acc);}
.d-sec{display:flex;flex-direction:column;gap:8px;}
.d-sec-title{font-family:var(--mono);font-size:9px;color:var(--tx3);letter-spacing:2.5px;text-transform:uppercase;}
.d-inp{width:100%;background:var(--sur);border:1px solid var(--line2);border-radius:10px;padding:9px 12px;color:var(--tx0);font-family:var(--font);font-size:13px;outline:none;transition:border-color .2s;}
.d-inp:focus{border-color:var(--aborder);}
textarea.d-inp{resize:none;min-height:80px;line-height:1.55;}
.d-row{display:flex;gap:7px;}
.d-btn{padding:9px 13px;border-radius:9px;background:var(--asoft);border:1px solid var(--aborder);color:var(--acc);font-size:12px;font-weight:600;cursor:pointer;transition:background .18s;font-family:var(--font);white-space:nowrap;}
.d-btn:hover{background:var(--aborder);}
.d-btn.full{width:100%;justify-content:center;display:flex;align-items:center;gap:5px;}
.d-btn.danger{color:#f87171;border-color:rgba(248,113,113,.25);background:rgba(248,113,113,.07);}
.d-btn.danger:hover{background:rgba(248,113,113,.14);}
.style-row{display:flex;gap:5px;}
.sty-btn{flex:1;padding:8px 4px;border-radius:9px;border:1px solid var(--line);background:transparent;color:var(--tx2);font-family:var(--font);font-size:11px;cursor:pointer;text-align:center;transition:all .18s;}
.sty-btn.active{background:var(--asoft);border-color:var(--aborder);color:var(--acc);}
.p-dots{display:flex;gap:9px;flex-wrap:wrap;padding:2px 0;}
.p-dot{width:26px;height:26px;border-radius:50%;cursor:pointer;border:2px solid transparent;transition:all .2s;}
.p-dot:hover{transform:scale(1.14);}
.p-dot.active{border-color:var(--tx0);box-shadow:0 0 0 2px var(--bg2);}
.stat-box{background:var(--sur);border:1px solid var(--line);border-radius:10px;padding:10px 13px;display:flex;align-items:center;justify-content:space-between;}
.stat-val{font-family:var(--mono);font-size:18px;font-weight:700;color:var(--acc);}
.bar-w{background:var(--bg3);border-radius:4px;height:4px;overflow:hidden;margin-top:4px;}
.bar{height:100%;background:var(--acc);border-radius:4px;transition:width .4s,background .4s;}

.hist-search-wrap{position:relative;}
.hist-search{width:100%;background:var(--sur);border:1px solid var(--line2);border-radius:9px;padding:8px 12px 8px 32px;color:var(--tx0);font-family:var(--font);font-size:12.5px;outline:none;transition:border-color .2s;}
.hist-search:focus{border-color:var(--aborder);}
.hist-search-ico{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--tx3);font-size:13px;pointer-events:none;}
.hist-list{display:flex;flex-direction:column;gap:3px;max-height:360px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--aborder) transparent;}
.hist-date{font-family:var(--mono);font-size:9px;color:var(--tx3);letter-spacing:1px;padding:8px 0 3px;}
.hist-item{background:var(--sur);border:1px solid var(--line);border-radius:9px;padding:8px 10px;cursor:pointer;transition:all .18s;}
.hist-item:hover{background:var(--sur2);border-color:var(--line2);}
.hist-q{font-size:12px;color:var(--tx1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.hist-meta{font-size:9.5px;color:var(--tx3);margin-top:2px;font-family:var(--mono);display:flex;align-items:center;gap:6px;}
.hist-empty{font-size:12px;color:var(--tx3);text-align:center;padding:20px 0;font-style:italic;}

.learn-stat{display:flex;align-items:center;justify-content:space-between;background:var(--sur);border:1px solid var(--line);border-radius:9px;padding:9px 12px;}
.learn-stat-val{font-family:var(--mono);font-size:16px;font-weight:700;color:var(--acc);}
.learn-note{font-size:11.5px;color:var(--tx2);line-height:1.5;}
.learn-prompt-wrap{background:var(--bg0);border:1px solid var(--line2);border-radius:9px;padding:10px 12px;}
.learn-prompt-ta{width:100%;background:transparent;border:none;outline:none;color:var(--tx1);font-family:var(--mono);font-size:11px;resize:none;min-height:120px;line-height:1.55;}

.devmode-banner{display:none;align-items:center;gap:8px;padding:8px 14px;background:rgba(245,200,66,.06);border-bottom:1px solid rgba(245,200,66,.18);font-size:11.5px;color:#f5c842;flex-shrink:0;}
.devmode-banner.visible{display:flex;}

.nx-fb-menu{position:fixed;background:var(--bg2);border:1px solid var(--line2);border-radius:11px;padding:5px;box-shadow:0 8px 32px rgba(0,0,0,.5);z-index:500;min-width:152px;}
.nx-fb-item{display:flex;align-items:center;gap:7px;padding:7px 10px;border-radius:7px;cursor:pointer;font-size:12.5px;color:var(--tx1);transition:background .18s;}
.nx-fb-item:hover{background:var(--sur2);}
.nx-fb-item.danger:hover{background:rgba(248,113,113,.1);color:#fca5a5;}
.nx-fb-item.good:hover{background:rgba(74,222,128,.08);color:#4ade80;}

.pwa-banner{display:none;align-items:center;gap:9px;padding:9px 14px;background:var(--asoft);border-bottom:1px solid var(--aborder);font-size:12px;color:var(--tx1);flex-shrink:0;}
.pwa-install{padding:5px 11px;border-radius:7px;background:var(--acc);border:none;color:#fff;font-size:11px;cursor:pointer;font-weight:600;font-family:var(--font);}
.pwa-close{background:transparent;border:none;color:var(--tx3);font-size:15px;padding:0 3px;cursor:pointer;}

.sb-ov{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:200;opacity:0;pointer-events:none;transition:opacity .25s;}
.sb-ov.open{opacity:1;pointer-events:all;}

@media(max-width:800px){
  .sidebar{position:fixed;top:0;left:0;height:100%;z-index:201;transform:translateX(-100%);}
  .sidebar.mob-open{transform:translateX(0);}
  .menu-btn{display:flex !important;}
  .ai-msg,.welcome-card,.user-msg{padding-left:16px;padding-right:16px;}
  .ai-typing{padding-left:16px;padding-right:16px;}
  .nx-input-zone{padding:10px 12px 14px;}
  .wc-inner{padding:16px 18px;}
}
@media(min-width:801px){.sb-ov{display:none !important;}.menu-btn{display:none !important;}}
@media(max-width:480px){.user-bubble{max-width:90%;}.ai-body{font-size:14px;}}

/* Mic button */
.mic-btn{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);background:transparent;color:var(--tx3);display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:all .18s;}
.mic-btn:hover{background:var(--sur2);color:var(--acc);border-color:var(--aborder);}
.mic-btn.listening{background:rgba(248,113,113,.15);border-color:rgba(248,113,113,.4);color:#f87171;animation:micPulse 1s ease-in-out infinite;}
@keyframes micPulse{0%,100%{box-shadow:0 0 0 0 rgba(248,113,113,.4);}50%{box-shadow:0 0 0 6px rgba(248,113,113,.0);}}

/* Voice mode button */
.nx-toolbar{display:flex;align-items:center;justify-content:space-between;padding-top:7px;}
.nx-tools{display:flex;align-items:center;gap:8px;}
.tool-btn{display:flex;align-items:center;gap:5px;padding:4px 9px;border-radius:8px;border:1px solid var(--line);background:transparent;color:var(--tx3);font-family:var(--font);font-size:11px;cursor:pointer;transition:all .18s;}
.tool-btn:hover{background:var(--sur);color:var(--tx1);border-color:var(--line2);}
.tool-btn.active{background:rgba(79,142,248,.12);border-color:var(--aborder);color:var(--acc);}

/* Speaking indicator */
.speaking-dot{width:8px;height:8px;border-radius:50%;background:var(--acc);opacity:0;transition:opacity .2s;pointer-events:none;}
.speaking-dot.visible{opacity:1;animation:speakPulse 1.4s ease-in-out infinite;}
@keyframes speakPulse{0%,100%{transform:scale(1);opacity:.8;}50%{transform:scale(1.5);opacity:1;}}

/* Voice launch button (in toolbar) */
.voice-launch-btn{display:flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;border:1px solid var(--aborder);background:var(--asoft);color:var(--acc);font-family:var(--font);font-size:12px;font-weight:600;cursor:pointer;transition:all .2s;}
.voice-launch-btn:hover{background:var(--aborder);box-shadow:0 0 16px var(--aglow);}
.voice-launch-btn svg{flex-shrink:0;}

/* ── VOICE OVERLAY ──────────────────────────────────────────────────────── */
.voice-overlay{
  position:fixed;inset:0;z-index:600;
  background:radial-gradient(ellipse at 50% 60%, #0a1628 0%, #060a16 70%);
  display:flex;flex-direction:column;
  opacity:0;pointer-events:none;
  transition:opacity .35s cubic-bezier(.4,0,.2,1);
}
.voice-overlay.open{opacity:1;pointer-events:all;}

.vo-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;flex-shrink:0;
}
.vo-domain{font-family:var(--mono);font-size:11px;color:var(--tx3);letter-spacing:2px;text-transform:uppercase;}
.vo-close{
  width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  color:var(--tx2);font-size:14px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:all .2s;
}
.vo-close:hover{background:rgba(255,255,255,.12);color:var(--tx0);}

.vo-body{
  flex:1;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:32px;
}

/* Orbe */
.vo-orb-wrap{position:relative;width:200px;height:200px;display:flex;align-items:center;justify-content:center;}
.vo-orb{position:relative;width:140px;height:140px;display:flex;align-items:center;justify-content:center;}

.vo-orb-ring{
  position:absolute;border-radius:50%;border:1.5px solid var(--acc);
  opacity:0;animation:orbRing 3s ease-out infinite;
}
.vo-orb-ring.r1{width:140px;height:140px;animation-delay:0s;}
.vo-orb-ring.r2{width:140px;height:140px;animation-delay:1s;border-color:var(--ahi);}
.vo-orb-ring.r3{width:140px;height:140px;animation-delay:2s;border-color:var(--adim);}
@keyframes orbRing{0%{transform:scale(1);opacity:.7;}100%{transform:scale(2.4);opacity:0;}}

.vo-orb-core{
  width:100px;height:100px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%, var(--ahi), var(--acc) 50%, #1a30b0);
  box-shadow:0 0 40px var(--aglow),0 0 80px rgba(79,142,248,.2);
  transition:transform .2s,box-shadow .2s;
  position:relative;overflow:hidden;
}
.vo-orb-shine{
  position:absolute;top:12%;left:18%;width:30%;height:25%;
  border-radius:50%;background:rgba(255,255,255,.35);
  filter:blur(4px);
}

/* Orbe states */
.voice-overlay.state-idle .vo-orb-core{animation:orbIdle 4s ease-in-out infinite;}
@keyframes orbIdle{0%,100%{transform:scale(1);}50%{transform:scale(1.04);}}

.voice-overlay.state-listening .vo-orb-core{
  animation:orbListen .6s ease-in-out infinite alternate;
  box-shadow:0 0 60px rgba(248,113,113,.5),0 0 120px rgba(248,113,113,.2);
  background:radial-gradient(circle at 35% 30%,#ff9999,#f87171 50%,#b91c1c);
}
.voice-overlay.state-listening .vo-orb-ring{border-color:#f87171;}
@keyframes orbListen{0%{transform:scale(1);}100%{transform:scale(1.12);}}

.voice-overlay.state-thinking .vo-orb-core{
  animation:orbThink 1.2s ease-in-out infinite;
  box-shadow:0 0 50px rgba(245,200,66,.4),0 0 100px rgba(245,200,66,.15);
  background:radial-gradient(circle at 35% 30%,#ffe066,#f5c842 50%,#b45309);
}
.voice-overlay.state-thinking .vo-orb-ring{border-color:#f5c842;}
@keyframes orbThink{0%,100%{transform:scale(1) rotate(0deg);}50%{transform:scale(1.06) rotate(5deg);}}

.voice-overlay.state-speaking .vo-orb-core{
  animation:orbSpeak .4s ease-in-out infinite alternate;
  box-shadow:0 0 60px rgba(34,211,122,.45),0 0 120px rgba(34,211,122,.2);
  background:radial-gradient(circle at 35% 30%,#86efac,#22d37a 50%,#15803d);
}
.voice-overlay.state-speaking .vo-orb-ring{border-color:#22d37a;}
@keyframes orbSpeak{0%{transform:scale(1);}100%{transform:scale(1.1);}}

/* Equalizer bars (visible en speaking) */
.vo-orb-wrap::after{
  content:'';position:absolute;bottom:-20px;
  width:60px;height:20px;
  background:repeating-linear-gradient(
    to right,
    var(--acc) 0px, var(--acc) 4px,
    transparent 4px, transparent 8px
  );
  opacity:0;border-radius:2px;
  transition:opacity .3s;
}
.voice-overlay.state-speaking .vo-orb-wrap::after{opacity:.6;animation:eqBars .5s ease-in-out infinite alternate;}
@keyframes eqBars{0%{background-size:100% 40%;}100%{background-size:100% 100%;}}

/* Status text */
.vo-status{
  font-family:var(--disp);font-size:18px;font-weight:700;
  color:var(--tx0);text-align:center;
  transition:color .3s;letter-spacing:.3px;
}
.voice-overlay.state-listening .vo-status{color:#f87171;}
.voice-overlay.state-thinking  .vo-status{color:#f5c842;}
.voice-overlay.state-speaking  .vo-status{color:#22d37a;}

.vo-transcript{
  font-size:14px;color:var(--tx2);text-align:center;
  max-width:480px;line-height:1.6;min-height:44px;
  padding:0 24px;font-style:italic;
  transition:opacity .3s;
}

/* Footer buttons */
.vo-footer{display:flex;align-items:center;justify-content:center;gap:24px;padding:32px 24px 40px;flex-shrink:0;}

.vo-mic-btn{
  width:80px;height:80px;border-radius:50%;
  background:var(--acc);border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  color:#fff;transition:transform .15s,background .2s,box-shadow .2s;
  box-shadow:0 0 24px var(--aglow);
}
.vo-mic-btn:hover{transform:scale(1.08);box-shadow:0 0 40px var(--aglow);}
.vo-mic-btn:active{transform:scale(.96);}
.voice-overlay.state-listening .vo-mic-btn{background:#f87171;box-shadow:0 0 30px rgba(248,113,113,.5);}
.voice-overlay.state-thinking  .vo-mic-btn{background:#f5c842;box-shadow:0 0 30px rgba(245,200,66,.4);pointer-events:none;opacity:.7;}
.voice-overlay.state-speaking  .vo-mic-btn{background:#22d37a;box-shadow:0 0 30px rgba(34,211,122,.4);}

/* Show/hide mic vs stop icon */
.vo-mic-btn .ico-stop{display:none;}
.voice-overlay.state-listening .vo-mic-btn .ico-mic{display:none;}
.voice-overlay.state-listening .vo-mic-btn .ico-stop{display:block;}

.vo-stop-btn{
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  color:var(--tx2);cursor:pointer;
  display:none;align-items:center;justify-content:center;
  transition:all .2s;
}
.vo-stop-btn:hover{background:rgba(255,255,255,.12);color:#f87171;}
.voice-overlay.state-speaking .vo-stop-btn{display:flex;}

@media(max-width:480px){
  .vo-orb{width:110px;height:110px;}
  .vo-orb-core{width:78px;height:78px;}
  .vo-orb-ring.r1,.vo-orb-ring.r2,.vo-orb-ring.r3{width:110px;height:110px;}
  .vo-status{font-size:15px;}
  .vo-mic-btn{width:68px;height:68px;}
}