/* ═══════════════════════════════════════════════════════════
   XPELTRUM AI STUDIO — Cyberpunk Terminal UI v2.0
   Full animated experience
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root{
  --bg-primary:#06060c;
  --bg-secondary:#0b0b16;
  --bg-tertiary:#10101e;
  --bg-surface:rgba(255,255,255,.03);
  --bg-surface-hover:rgba(255,255,255,.06);
  --accent:#00f0ff;
  --accent-dim:rgba(0,240,255,.15);
  --accent-glow:rgba(0,240,255,.35);
  --accent-bg:rgba(0,240,255,.06);
  --magenta:#ff2d7b;
  --green:#00ff88;
  --yellow:#ffee00;
  --orange:#ff8800;
  --red:#ff3355;
  --purple:#a855f7;
  --text-primary:#e4e4f0;
  --text-secondary:#8888a8;
  --text-dim:#555570;
  --border:rgba(255,255,255,.06);
  --border-accent:rgba(0,240,255,.2);
  --border-hover:rgba(0,240,255,.45);
  --glow-sm:0 0 10px rgba(0,240,255,.12);
  --glow-md:0 0 24px rgba(0,240,255,.18);
  --glow-lg:0 0 50px rgba(0,240,255,.12);
  --shadow:0 4px 30px rgba(0,0,0,.6);
  --nav-h:58px;
  --radius:10px;
  --radius-sm:6px;
  --radius-lg:14px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  --mono:'JetBrains Mono','Fira Code',monospace;
}

/* ═══ Reset ═══ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;-webkit-user-select:none;user-select:none}
html,body{height:100%;overflow:hidden;font-family:var(--font);font-size:14px;line-height:1.5;color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}
#message-input,.msg-content code,#code-viewer-content pre,.code-copy-btn{-webkit-user-select:text;user-select:text}
::-webkit-scrollbar{width:3px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(0,240,255,.15);border-radius:4px}
::selection{background:rgba(0,240,255,.2);color:var(--accent)}

/* ═══ Particle Canvas ═══ */
#particles{position:fixed;inset:0;z-index:0;pointer-events:none}

/* ═══ Boot Screen ═══ */
#boot-screen{position:fixed;inset:0;z-index:9999;background:var(--bg-primary);display:flex;align-items:center;justify-content:center;transition:opacity .8s,visibility .8s}
#boot-screen.done{opacity:0;visibility:hidden;pointer-events:none}
.boot-inner{text-align:center}
.boot-hex{margin-bottom:20px;animation:hexFloat 3s ease-in-out infinite}
.hex-stroke{animation:hexSpin 8s linear infinite;transform-origin:60px 60px}
.hex-stroke-2{animation:hexSpin 12s linear infinite reverse;transform-origin:60px 60px}
@keyframes hexSpin{to{transform:rotate(360deg)}}
@keyframes hexFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.boot-title{font-family:var(--mono);font-size:28px;font-weight:700;color:var(--accent);letter-spacing:6px;text-shadow:0 0 30px rgba(0,240,255,.4),0 0 60px rgba(0,240,255,.15);margin-bottom:4px;animation:glitchFlicker 4s infinite}
.boot-sub{font-family:var(--mono);font-size:10px;color:var(--text-dim);letter-spacing:4px;text-transform:uppercase;margin-bottom:30px;animation:fadeSlideUp .6s .3s both}
.boot-bar{width:200px;height:2px;background:var(--border);border-radius:2px;margin:0 auto 12px;overflow:hidden}
.boot-bar-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--magenta),var(--accent));border-radius:2px;animation:bootLoad 2s ease-in-out forwards;box-shadow:0 0 12px var(--accent)}
@keyframes bootLoad{0%{width:0}30%{width:45%}60%{width:70%}100%{width:100%}}
.boot-status{font-family:var(--mono);font-size:10px;color:var(--text-dim);letter-spacing:1px;animation:bootBlink 1s infinite}
@keyframes bootBlink{0%,100%{opacity:.4}50%{opacity:1}}

/* ═══ Glitch Text ═══ */
@keyframes glitchFlicker{0%,92%,100%{text-shadow:0 0 30px rgba(0,240,255,.4),0 0 60px rgba(0,240,255,.15)}93%{text-shadow:-2px 0 var(--magenta),2px 0 var(--green),0 0 30px rgba(0,240,255,.4)}96%{text-shadow:2px 0 var(--magenta),-2px 0 var(--green),0 0 30px rgba(0,240,255,.4)}97%{text-shadow:0 0 30px rgba(0,240,255,.4),0 0 60px rgba(0,240,255,.15)}}
.glitch-text{position:relative}
.glitch-text::before,.glitch-text::after{content:attr(data-text);position:absolute;left:0;top:0;width:100%;pointer-events:none}
.glitch-text::before{animation:glitchLayer1 5s infinite;clip-path:polygon(0 0,100% 0,100% 35%,0 35%);color:var(--magenta);opacity:.04}
.glitch-text::after{animation:glitchLayer2 5s infinite;clip-path:polygon(0 65%,100% 65%,100% 100%,0 100%);color:var(--green);opacity:.04}
@keyframes glitchLayer1{0%,100%{transform:translate(0)}5%{transform:translate(-3px,1px)}10%{transform:translate(0)}}
@keyframes glitchLayer2{0%,100%{transform:translate(0)}3%{transform:translate(3px,-1px)}6%{transform:translate(0)}}

/* ═══ Glow hover ═══ */
.glow-hover{position:relative;overflow:hidden}
.glow-hover::after{content:'';position:absolute;inset:-50%;background:radial-gradient(circle,rgba(0,240,255,.15) 0%,transparent 70%);opacity:0;transition:opacity .3s;pointer-events:none}
.glow-hover:hover::after{opacity:1}

/* ═══ Fade helpers ═══ */
@keyframes fadeSlideUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeSlideDown{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeScale{from{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}

/* ═══ App container ═══ */
.app-hidden{opacity:0;pointer-events:none}
#app{position:relative;z-index:1;transition:opacity .6s .2s}
#app:not(.app-hidden){opacity:1;pointer-events:auto}

/* ═══ Nav ═══ */
#nav{position:fixed;bottom:0;left:0;right:0;height:var(--nav-h);background:rgba(11,11,22,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--border);display:flex;justify-content:space-around;align-items:center;z-index:100;padding-bottom:env(safe-area-inset-bottom,0)}
.nav-btn{position:relative;display:flex;flex-direction:column;align-items:center;gap:3px;background:none;border:none;color:var(--text-dim);font-family:var(--mono);font-size:9px;font-weight:500;letter-spacing:.5px;text-transform:uppercase;cursor:pointer;padding:8px 20px;border-radius:var(--radius-sm);transition:color .3s,transform .2s}
.nav-btn:active{transform:scale(.92)}
.nav-btn .nav-icon{width:22px;height:22px;display:flex;align-items:center;justify-content:center;transition:transform .3s}
.nav-btn .nav-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;transition:filter .3s}
.nav-btn.active{color:var(--accent)}
.nav-btn.active .nav-icon{transform:translateY(-2px)}
.nav-btn.active .nav-icon svg{filter:drop-shadow(0 0 6px rgba(0,240,255,.5))}
.nav-indicator{position:absolute;bottom:0;left:50%;width:0;height:2px;background:var(--accent);border-radius:1px;transform:translateX(-50%);transition:width .35s cubic-bezier(.22,1,.36,1);box-shadow:0 0 8px rgba(0,240,255,.4)}
.nav-btn.active .nav-indicator{width:28px}

/* ═══ Tabs ═══ */
.tab{display:none;position:fixed;top:0;left:0;right:0;bottom:var(--nav-h);overflow-y:auto;flex-direction:column}
.tab.active{display:flex;animation:tabEnter .4s cubic-bezier(.22,1,.36,1)}
@keyframes tabEnter{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.tab-header{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:rgba(11,11,22,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.tab-header h2{font-family:var(--mono);font-size:13px;font-weight:600;color:var(--accent);letter-spacing:1px;display:flex;align-items:center;gap:8px}
.tab-header h2 svg{width:16px;height:16px;stroke:var(--accent);fill:none;stroke-width:2}

/* ═══ Chat ═══ */
#chat-header{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:rgba(11,11,22,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);flex-shrink:0;position:relative;z-index:5}
.chat-header-left{display:flex;align-items:center;gap:10px}
.chat-logo{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--accent);letter-spacing:1.5px}
.model-badge{font-family:var(--mono);font-size:10px;padding:2px 8px;background:var(--accent-bg);border:1px solid var(--border-accent);border-radius:4px;color:var(--accent);letter-spacing:.5px;transition:all .3s}
.header-actions{display:flex;gap:4px}
#chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:14px;scroll-behavior:smooth}

/* ═══ Messages ═══ */
.message{max-width:90%;padding:10px 14px;border-radius:var(--radius);word-wrap:break-word;overflow-wrap:break-word;animation:msgIn .5s cubic-bezier(.22,1,.36,1)}
@keyframes msgIn{from{opacity:0;transform:translateY(20px) scale(.95);filter:blur(4px)}to{opacity:1;transform:translateY(0) scale(1);filter:blur(0)}}
.message.user{align-self:flex-end;background:linear-gradient(135deg,rgba(0,240,255,.1),rgba(0,240,255,.04));border:1px solid var(--border-accent);border-bottom-right-radius:3px;position:relative;overflow:hidden}
.message.user::before{content:'';position:absolute;top:0;left:-100%;width:60%;height:100%;background:linear-gradient(90deg,transparent,rgba(0,240,255,.06),transparent);animation:msgShine 2s .5s forwards}
@keyframes msgShine{to{left:200%}}
.message.assistant{align-self:flex-start;background:var(--bg-surface);border:1px solid var(--border);border-bottom-left-radius:3px}
.message.no-anim{animation:none}

.msg-content{line-height:1.65;font-size:13.5px}
.msg-content p{margin-bottom:8px}
.msg-content p:last-child{margin-bottom:0}
.msg-content ul,.msg-content ol{padding-left:18px;margin-bottom:8px}
.msg-content pre{background:rgba(0,0,0,.45);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;overflow-x:auto;margin:8px 0;position:relative}
.msg-content code{font-family:var(--mono);font-size:12px}
.msg-content code:not(pre code){background:rgba(0,240,255,.08);color:var(--accent);padding:1px 5px;border-radius:3px;font-size:12px}
.code-copy-btn{position:absolute;top:6px;right:6px;background:var(--bg-surface);border:1px solid var(--border);border-radius:4px;color:var(--text-dim);padding:3px 8px;font-family:var(--mono);font-size:10px;cursor:pointer;opacity:0;transition:all .25s}
.msg-content pre:hover .code-copy-btn{opacity:1}
.code-copy-btn:hover{background:var(--bg-surface-hover);color:var(--accent)}
.code-copy-btn.copied{color:var(--green);border-color:rgba(0,255,136,.3)}

/* Word animation */
.msg-content .word{display:inline;opacity:0;animation:wordReveal .3s cubic-bezier(.22,1,.36,1) forwards}
@keyframes wordReveal{from{opacity:0;filter:blur(6px);transform:translateY(4px)}to{opacity:1;filter:blur(0);transform:translateY(0)}}

/* ═══ Reasoning ═══ */
.reasoning-block{background:rgba(168,85,247,.05);border-left:2px solid var(--purple);padding:8px 12px;margin-bottom:10px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:12px;color:var(--text-secondary);cursor:pointer;animation:reasonSlide .4s cubic-bezier(.22,1,.36,1)}
@keyframes reasonSlide{from{opacity:0;transform:translateX(-10px)}to{opacity:1;transform:translateX(0)}}
.reasoning-header{display:flex;align-items:center;gap:6px;font-family:var(--mono);font-weight:500;font-size:11px;color:var(--purple);letter-spacing:.5px;text-transform:uppercase}
.reasoning-header svg{width:14px;height:14px;stroke:var(--purple);fill:none;stroke-width:2}
.reasoning-content{max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(.22,1,.36,1)}
.reasoning-block.expanded .reasoning-content{max-height:500px;overflow-y:auto;margin-top:8px}
.reasoning-toggle{transition:transform .3s;display:inline-flex}
.reasoning-toggle svg{width:12px;height:12px;stroke:var(--purple);fill:none;stroke-width:2}
.reasoning-block.expanded .reasoning-toggle{transform:rotate(90deg)}

/* ═══ Ops Card ═══ */
.ops-card{background:var(--bg-tertiary);border:1px solid var(--border-accent);border-radius:var(--radius);padding:12px;margin-top:10px;box-shadow:var(--glow-sm);animation:opsCardIn .6s cubic-bezier(.22,1,.36,1);position:relative;overflow:hidden}
.ops-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);animation:scanLine 2s linear forwards}
@keyframes scanLine{from{transform:translateX(-100%)}to{transform:translateX(100%)}}
@keyframes opsCardIn{from{opacity:0;transform:translateY(16px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}
.ops-card-header{font-family:var(--mono);font-size:11px;font-weight:600;color:var(--accent);letter-spacing:.8px;text-transform:uppercase;margin-bottom:8px;display:flex;align-items:center;gap:6px}
.ops-card-header svg{width:14px;height:14px;stroke:var(--accent);fill:none;stroke-width:2}
.ops-card-list{display:flex;flex-direction:column;gap:3px}
.ops-card-item{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:var(--radius-sm);font-size:12px;transition:all .25s;cursor:default;border-left:2px solid transparent;opacity:0;animation:opsItemSlide .4s cubic-bezier(.22,1,.36,1) forwards}
.ops-card-item:nth-child(1){animation-delay:.15s}
.ops-card-item:nth-child(2){animation-delay:.25s}
.ops-card-item:nth-child(3){animation-delay:.35s}
.ops-card-item:nth-child(4){animation-delay:.45s}
.ops-card-item:nth-child(5){animation-delay:.55s}
@keyframes opsItemSlide{from{opacity:0;transform:translateX(-16px)}to{opacity:1;transform:translateX(0)}}
.ops-card-item.create{border-left-color:var(--green);cursor:pointer}
.ops-card-item.edit{border-left-color:var(--yellow);cursor:pointer}
.ops-card-item.delete{border-left-color:var(--red);opacity:.6}
.ops-card-item.delete{animation:opsItemSlide .4s cubic-bezier(.22,1,.36,1) forwards}
.ops-card-item:hover{background:var(--bg-surface-hover);transform:translateX(4px)}
.ops-icon{display:flex;align-items:center;flex-shrink:0}
.ops-icon svg{width:14px;height:14px;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ops-card-item.create .ops-icon svg{stroke:var(--green)}
.ops-card-item.edit .ops-icon svg{stroke:var(--yellow)}
.ops-card-item.delete .ops-icon svg{stroke:var(--red)}
.ops-label{font-family:var(--mono);font-size:9px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;min-width:50px;flex-shrink:0}
.ops-card-item.create .ops-label{color:var(--green)}
.ops-card-item.edit .ops-label{color:var(--yellow)}
.ops-card-item.delete .ops-label{color:var(--red)}
.ops-path{font-family:var(--mono);font-size:11px;color:var(--text-primary);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ops-extra{font-size:10px;color:var(--text-dim);flex-shrink:0}
.ops-warnings{margin-top:6px;padding:6px 8px;background:rgba(255,136,0,.06);border-radius:var(--radius-sm)}
.ops-warn{font-family:var(--mono);font-size:11px;color:var(--orange)}

/* ═══ Typing Indicator ═══ */
.typing-indicator{display:flex;gap:6px;padding:12px 18px;align-self:flex-start;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);border-bottom-left-radius:3px;animation:msgIn .4s cubic-bezier(.22,1,.36,1)}
.typing-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:typingWave 1.4s ease-in-out infinite}
.typing-dot:nth-child(2){animation-delay:.15s}
.typing-dot:nth-child(3){animation-delay:.3s}
@keyframes typingWave{0%,60%,100%{transform:translateY(0);opacity:.3}30%{transform:translateY(-10px);opacity:1}}

/* ═══ Welcome ═══ */
.welcome-message{text-align:center;padding:60px 20px 30px;animation:fadeScale .6s cubic-bezier(.22,1,.36,1)}
.welcome-hex{margin-bottom:16px}
.welcome-hex svg{filter:drop-shadow(0 0 20px rgba(0,240,255,.3))}
.welcome-hex .hex-anim{animation:hexSpin 10s linear infinite;transform-origin:50px 50px}
.welcome-logo{font-family:var(--mono);font-size:24px;font-weight:700;color:var(--accent);letter-spacing:5px;text-shadow:0 0 30px rgba(0,240,255,.3),0 0 60px rgba(0,240,255,.1);margin-bottom:4px}
.welcome-sub{font-family:var(--mono);font-size:10px;color:var(--text-dim);letter-spacing:3px;text-transform:uppercase;margin-bottom:24px}
.welcome-desc{font-size:13px;color:var(--text-secondary);margin-bottom:20px;max-width:320px;margin-left:auto;margin-right:auto;line-height:1.6}
.limits-bar{font-family:var(--mono);font-size:10px;color:var(--text-dim);margin-bottom:20px;letter-spacing:.3px}
.limits-bar span{color:var(--accent);font-weight:600}
.quick-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;max-width:360px;margin:0 auto}
.quick-btn{background:var(--bg-surface);border:1px solid var(--border);color:var(--text-secondary);padding:8px 14px;border-radius:20px;font-family:var(--mono);font-size:11px;cursor:pointer;transition:all .3s cubic-bezier(.22,1,.36,1);display:flex;align-items:center;gap:6px;position:relative;overflow:hidden}
.quick-btn svg{width:14px;height:14px;stroke:var(--accent);fill:none;stroke-width:1.5;transition:transform .3s}
.quick-btn:hover{background:var(--accent-bg);border-color:var(--border-accent);color:var(--accent);transform:translateY(-2px);box-shadow:var(--glow-sm)}
.quick-btn:hover svg{transform:rotate(-8deg) scale(1.1)}
.quick-btn:active{transform:translateY(0) scale(.96)}
.quick-btn:nth-child(1){animation:fadeSlideUp .5s .1s both}
.quick-btn:nth-child(2){animation:fadeSlideUp .5s .2s both}
.quick-btn:nth-child(3){animation:fadeSlideUp .5s .3s both}
.quick-btn:nth-child(4){animation:fadeSlideUp .5s .4s both}

/* ═══ Input Area ═══ */
#chat-input-area{flex-shrink:0;padding:8px 12px;background:rgba(11,11,22,.9);backdrop-filter:blur(10px);border-top:1px solid var(--border);position:relative}
.input-glow{position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent-dim),transparent);opacity:0;transition:opacity .3s}
#chat-input-area:focus-within .input-glow{opacity:1;animation:inputGlowPulse 2s infinite}
@keyframes inputGlowPulse{0%,100%{opacity:.5}50%{opacity:1}}
.input-row{display:flex;align-items:flex-end;gap:8px}
#message-input{flex:1;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);padding:10px 14px;font-size:14px;font-family:var(--font);resize:none;max-height:120px;min-height:42px;outline:none;transition:all .3s}
#message-input:focus{border-color:var(--border-hover);box-shadow:0 0 0 3px rgba(0,240,255,.06),var(--glow-sm)}
#message-input::placeholder{color:var(--text-dim)}
.send-btn{width:42px;height:42px;border-radius:var(--radius);background:var(--accent-dim);border:1px solid var(--border-accent);color:var(--accent);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s;flex-shrink:0;position:relative;overflow:hidden}
.send-btn:disabled{opacity:.2;cursor:not-allowed}
.send-btn:not(:disabled):hover{background:var(--accent-bg);box-shadow:var(--glow-md)}
.send-btn:not(:disabled):active{transform:scale(.88)}
.send-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .3s}
.send-btn:not(:disabled):hover svg{transform:translate(2px,-2px)}
.send-pulse{position:absolute;inset:0;border-radius:inherit;border:2px solid var(--accent);opacity:0}
.send-btn:not(:disabled) .send-pulse{animation:sendPulse 2s infinite}
@keyframes sendPulse{0%{transform:scale(1);opacity:.3}100%{transform:scale(1.6);opacity:0}}

/* ═══ Chat List Panel ═══ */
#chat-list-panel{position:absolute;top:0;left:0;bottom:0;width:280px;background:rgba(11,11,22,.96);backdrop-filter:blur(20px);border-right:1px solid var(--border);z-index:50;overflow-y:auto;animation:panelSlide .35s cubic-bezier(.22,1,.36,1)}
@keyframes panelSlide{from{transform:translateX(-100%);opacity:0}to{transform:translateX(0);opacity:1}}
.panel-header{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--border)}
.panel-header h3{font-family:var(--mono);font-size:12px;font-weight:600;color:var(--accent);letter-spacing:.5px}
.chat-list-item{display:flex;align-items:center;gap:10px;padding:12px 16px;cursor:pointer;transition:all .25s;border-bottom:1px solid var(--border);position:relative;overflow:hidden}
.chat-list-item::before{content:'';position:absolute;left:0;top:0;bottom:0;width:0;background:var(--accent-bg);transition:width .3s}
.chat-list-item:hover::before{width:100%}
.chat-list-item:hover{background:var(--bg-surface-hover)}
.chat-list-item.active{background:var(--accent-bg);border-left:2px solid var(--accent)}
.chat-list-item .chat-item-title{flex:1;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;position:relative;z-index:1}
.chat-list-item .chat-item-count{font-family:var(--mono);font-size:10px;color:var(--text-dim);position:relative;z-index:1}
.chat-list-item .chat-item-del{background:none;border:none;color:var(--text-dim);cursor:pointer;padding:2px;display:flex;transition:all .2s;position:relative;z-index:1}
.chat-list-item .chat-item-del:hover{color:var(--red);transform:scale(1.2)}
.chat-list-item .chat-item-del svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2}

/* ═══ Projects ═══ */
.projects-grid{padding:16px;display:flex;flex-direction:column;gap:8px}
.project-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px;cursor:pointer;transition:all .3s cubic-bezier(.22,1,.36,1);display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden}
.project-card::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,240,255,.03),transparent);opacity:0;transition:opacity .3s}
.project-card:hover{border-color:var(--border-accent);transform:translateY(-2px);box-shadow:var(--glow-sm)}
.project-card:hover::after{opacity:1}
.project-card:active{transform:scale(.98) translateY(0)}
.project-card.active{border-color:var(--accent);background:var(--accent-bg);box-shadow:var(--glow-sm)}
.project-info{flex:1;min-width:0;position:relative;z-index:1}
.project-name{font-family:var(--mono);font-size:13px;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:6px}
.project-name svg{width:14px;height:14px;stroke:var(--accent);fill:none;stroke-width:2}
.project-name .active-dot{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 8px rgba(0,255,136,.6);flex-shrink:0;animation:dotPulse 2s infinite}
@keyframes dotPulse{0%,100%{box-shadow:0 0 4px rgba(0,255,136,.6)}50%{box-shadow:0 0 12px rgba(0,255,136,.9)}}
.project-meta{font-family:var(--mono);font-size:10px;color:var(--text-dim);margin-top:3px;letter-spacing:.3px}

/* ═══ Viewer ═══ */
.viewer-header{display:flex;align-items:center;gap:10px;padding:12px 16px;background:rgba(11,11,22,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.viewer-header h3{flex:1;font-family:var(--mono);font-size:13px;font-weight:600;color:var(--accent)}
.viewer-actions{display:flex;gap:6px}
.file-tree{padding:8px 12px}
.file-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:all .25s cubic-bezier(.22,1,.36,1);font-size:13px;border:1px solid transparent}
.file-item:hover{background:var(--bg-surface-hover);border-color:var(--border);transform:translateX(4px)}
.file-icon-wrap{display:flex;align-items:center;justify-content:center;flex-shrink:0}
.file-icon-wrap svg{width:16px;height:16px;stroke:var(--text-dim);fill:none;stroke-width:1.5}
.file-item .file-name{flex:1;font-family:var(--mono);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-item .file-size{font-family:var(--mono);font-size:10px;color:var(--text-dim);flex-shrink:0}

/* ═══ Code Viewer ═══ */
#code-viewer{display:flex;flex-direction:column;flex:1;min-height:0;animation:fadeScale .3s ease}
.code-viewer-header{display:flex;justify-content:space-between;align-items:center;padding:8px 14px;background:var(--bg-tertiary);border-top:1px solid var(--border);border-bottom:1px solid var(--border);flex-shrink:0}
.code-viewer-path{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;color:var(--accent);min-width:0;overflow:hidden}
.code-viewer-path svg{width:14px;height:14px;stroke:var(--accent);fill:none;stroke-width:2;flex-shrink:0}
.code-viewer-path span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.code-viewer-actions{display:flex;gap:6px;flex-shrink:0}
#code-viewer-content{flex:1;overflow:auto;background:rgba(0,0,0,.35);padding:14px 16px}
#code-viewer-content pre{margin:0;font-family:var(--mono);font-size:12px;line-height:1.7;white-space:pre;color:var(--text-primary)}
#code-viewer-content pre code{font-family:var(--mono)}

/* ═══ Settings ═══ */
.settings-group{padding:16px;border-bottom:1px solid var(--border)}
.anim-stagger:nth-child(1){animation:fadeSlideUp .4s .05s both}
.anim-stagger:nth-child(2){animation:fadeSlideUp .4s .12s both}
.anim-stagger:nth-child(3){animation:fadeSlideUp .4s .19s both}
.anim-stagger:nth-child(4){animation:fadeSlideUp .4s .26s both}
.settings-group-title{font-family:var(--mono);font-size:10px;font-weight:600;color:var(--accent);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:12px;display:flex;align-items:center;gap:6px}
.settings-group-title svg{width:14px;height:14px;stroke:var(--accent);fill:none;stroke-width:2}
.lang-switch{display:flex;gap:6px}
.lang-btn{background:var(--bg-surface);border:1px solid var(--border);color:var(--text-secondary);padding:8px 16px;border-radius:var(--radius-sm);font-family:var(--mono);font-size:12px;cursor:pointer;transition:all .3s;flex:1;text-align:center}
.lang-btn:hover{background:var(--bg-surface-hover)}
.lang-btn.active{border-color:var(--accent);background:var(--accent-bg);color:var(--accent);box-shadow:var(--glow-sm)}
.models-grid{display:flex;flex-direction:column;gap:6px}
.model-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px;cursor:pointer;transition:all .3s cubic-bezier(.22,1,.36,1);position:relative;overflow:hidden}
.model-card:hover{background:var(--bg-surface-hover);transform:translateY(-1px)}
.model-card.selected{border-color:var(--accent);background:var(--accent-bg);box-shadow:var(--glow-sm)}
.model-card.selected::before{content:'';position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--accent);box-shadow:0 0 8px var(--accent)}
.model-card .model-name{font-family:var(--mono);font-weight:600;font-size:12px;color:var(--text-primary);display:flex;align-items:center;gap:6px}
.model-card.selected .model-name::after{content:'';width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 6px rgba(0,255,136,.5);animation:dotPulse 2s infinite}
.model-card .model-desc{font-size:11px;color:var(--text-dim);margin-top:2px}
.model-card .model-id{font-family:var(--mono);font-size:10px;color:var(--text-dim);margin-top:3px;opacity:.5}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.stat-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px;text-align:center;transition:all .3s;position:relative;overflow:hidden}
.stat-card::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 0%,rgba(0,240,255,.04),transparent 70%);opacity:0;transition:opacity .3s}
.stat-card:hover::before{opacity:1}
.stat-value{display:block;font-family:var(--mono);font-size:24px;font-weight:700;color:var(--accent);text-shadow:var(--glow-sm);position:relative}
.stat-label{font-family:var(--mono);font-size:9px;color:var(--text-dim);text-transform:uppercase;letter-spacing:1px;margin-top:4px}
.about-text{font-size:12px;color:var(--text-secondary);line-height:1.7}
.version-tag{font-family:var(--mono);font-size:10px;color:var(--text-dim);margin-top:10px;padding:3px 8px;border:1px solid var(--border);border-radius:4px;display:inline-block}

/* ── Support / Donate ── */
.support-desc{font-size:12px;color:var(--text-secondary);line-height:1.6;margin:0 0 12px}
.support-buttons{display:flex;flex-direction:column;gap:8px}
.support-btn{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--radius);background:var(--bg-surface);border:1px solid var(--border);text-decoration:none;color:var(--text-primary);transition:all .3s ease;cursor:pointer;position:relative;overflow:hidden}
.support-btn::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(168,85,247,.06),transparent);opacity:0;transition:opacity .3s}
.support-btn:hover{border-color:var(--accent);transform:translateY(-1px);box-shadow:0 4px 20px rgba(168,85,247,.15)}
.support-btn:hover::before{opacity:1}
.support-btn:active{transform:translateY(0)}
.support-btn-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;position:relative;z-index:1}
.support-btn-icon svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5}
.crypto-btn .support-btn-icon{background:linear-gradient(135deg,rgba(251,191,36,.15),rgba(245,158,11,.1));color:#fbbf24}
.fiat-btn .support-btn-icon{background:linear-gradient(135deg,rgba(168,85,247,.15),rgba(139,92,246,.1));color:var(--accent)}
.support-btn-text{flex:1;display:flex;flex-direction:column;gap:2px;position:relative;z-index:1}
.support-btn-title{font-size:13px;font-weight:600;color:var(--text-primary)}
.support-btn-sub{font-size:11px;color:var(--text-dim);font-family:var(--mono)}
.support-btn-arrow{width:16px;height:16px;stroke:var(--text-dim);fill:none;stroke-width:2;flex-shrink:0;transition:transform .3s;position:relative;z-index:1}
.support-btn:hover .support-btn-arrow{transform:translateX(3px);stroke:var(--accent)}
.support-thanks{font-size:11px;color:var(--text-dim);text-align:center;margin:12px 0 0;opacity:.8}

/* Donate amounts */
.donate-amounts{display:flex;gap:6px;margin-bottom:10px;flex-wrap:wrap;align-items:center}
.donate-amount-btn{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px 14px;color:var(--text-secondary);font-family:var(--mono);font-size:13px;font-weight:600;cursor:pointer;transition:all .25s;min-width:44px;text-align:center}
.donate-amount-btn:hover{border-color:var(--accent);color:var(--text-primary)}
.donate-amount-btn.active{background:linear-gradient(135deg,rgba(168,85,247,.15),rgba(139,92,246,.08));border-color:var(--accent);color:var(--accent);box-shadow:0 0 12px rgba(168,85,247,.2)}
.donate-custom-input{flex:1;min-width:60px;max-width:90px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px 10px;color:var(--text-primary);font-family:var(--mono);font-size:13px;outline:none;transition:border-color .25s}
.donate-custom-input::placeholder{color:var(--text-dim)}
.donate-custom-input:focus{border-color:var(--accent)}
.donate-custom-input::-webkit-inner-spin-button,.donate-custom-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.donate-custom-input{-moz-appearance:textfield;appearance:textfield}
/* Currency row */
.donate-currency-row{display:flex;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.donate-currency-label{font-size:12px;color:var(--text-dim);font-family:var(--mono);white-space:nowrap}
.donate-currency-btns{display:flex;gap:4px;flex-wrap:wrap}
.donate-cur-btn{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:4px 10px;color:var(--text-secondary);font-family:var(--mono);font-size:11px;font-weight:500;cursor:pointer;transition:all .25s}
.donate-cur-btn:hover{border-color:var(--accent);color:var(--text-primary)}
.donate-cur-btn.active{background:rgba(168,85,247,.1);border-color:var(--accent);color:var(--accent)}
/* Pay button */
.donate-pay-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:var(--radius);background:linear-gradient(135deg,#a855f7,#7c3aed);border:none;color:#fff;font-family:var(--mono);font-size:13px;font-weight:600;cursor:pointer;transition:all .3s;position:relative;overflow:hidden;text-transform:uppercase;letter-spacing:.5px}
.donate-pay-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5}
.donate-pay-btn:hover{transform:translateY(-1px);box-shadow:0 4px 24px rgba(168,85,247,.35)}
.donate-pay-btn:active{transform:translateY(0)}
.donate-pay-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.donate-pay-btn::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transform:translateX(-100%);transition:none}
.donate-pay-btn:hover::after{animation:donate-shimmer 1.5s ease infinite}
@keyframes donate-shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.donate-spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
/* YooMoney button */
.donate-yoomoney-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:var(--radius);background:linear-gradient(135deg,#8b5cf6,#6d28d9);border:none;color:#fff;font-family:var(--mono);font-size:13px;font-weight:600;cursor:pointer;transition:all .3s;position:relative;overflow:hidden;text-transform:uppercase;letter-spacing:.5px;margin-top:6px}
.donate-yoomoney-btn svg{width:18px;height:18px;flex-shrink:0}
.donate-yoomoney-btn:hover{transform:translateY(-1px);box-shadow:0 4px 24px rgba(109,40,217,.35)}
.donate-yoomoney-btn:active{transform:translateY(0)}
.donate-yoomoney-btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.donate-yoomoney-btn::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.08),transparent);transform:translateX(-100%)}
.donate-yoomoney-btn:hover::after{animation:donate-shimmer 1.5s ease infinite}
/* Thanks overlay */
.thanks-overlay{position:fixed;inset:0;z-index:9999;background:rgba(6,6,12,.92);display:flex;align-items:center;justify-content:center;backdrop-filter:blur(12px);animation:fadeIn .4s ease}
.thanks-overlay.hidden{display:none}
.thanks-content{text-align:center;padding:40px 30px;animation:scaleIn .5s ease}
.thanks-heart{font-size:64px;animation:heartPulse 1s ease infinite;margin-bottom:16px}
.thanks-title{font-family:var(--mono);font-size:32px;font-weight:800;color:var(--accent);text-shadow:var(--glow);letter-spacing:4px;margin:0 0 12px}
.thanks-sub{font-size:14px;color:var(--text-secondary);line-height:1.6;max-width:320px;margin:0 auto 24px}
@keyframes heartPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.15)}}
@keyframes scaleIn{from{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* ═══ Common ═══ */
.icon-btn{background:none;border:1px solid transparent;border-radius:var(--radius-sm);cursor:pointer;padding:6px;transition:all .25s;color:var(--text-secondary);display:flex;align-items:center;justify-content:center}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5}
.icon-btn:hover{background:var(--bg-surface);border-color:var(--border);color:var(--accent)}
.icon-btn:active{transform:scale(.9)}
.icon-btn-sm{background:none;border:none;cursor:pointer;color:var(--text-dim);padding:2px 6px;border-radius:3px;font-size:14px;display:flex;align-items:center;transition:all .2s}
.icon-btn-sm:hover{color:var(--accent);transform:scale(1.1)}
.primary-btn{background:var(--accent-dim);color:var(--accent);border:1px solid var(--border-accent);padding:7px 14px;border-radius:var(--radius-sm);font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.5px;cursor:pointer;transition:all .25s;display:flex;align-items:center;gap:6px}
.primary-btn svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2}
.primary-btn:hover{background:var(--accent-bg);box-shadow:var(--glow-sm);transform:translateY(-1px)}
.primary-btn:active{transform:scale(.96) translateY(0)}
.secondary-btn{background:var(--bg-surface);color:var(--text-secondary);border:1px solid var(--border);padding:7px 14px;border-radius:var(--radius-sm);font-family:var(--mono);font-size:11px;cursor:pointer;transition:all .25s;display:flex;align-items:center;gap:6px}
.secondary-btn svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2}
.secondary-btn:hover{background:var(--bg-surface-hover);border-color:var(--border-accent);color:var(--accent)}
.btn-sm{padding:4px 10px!important;font-size:10px!important}

/* ═══ Modal ═══ */
#modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.75);display:flex;align-items:center;justify-content:center;z-index:200;backdrop-filter:blur(8px);animation:overlayIn .2s}
@keyframes overlayIn{from{opacity:0}to{opacity:1}}
#modal{background:var(--bg-secondary);border:1px solid var(--border-accent);border-radius:var(--radius-lg);width:90%;max-width:380px;overflow:hidden;animation:modalBounce .4s cubic-bezier(.22,1,.36,1);box-shadow:0 0 60px rgba(0,240,255,.08),var(--shadow)}
@keyframes modalBounce{from{opacity:0;transform:scale(.85) translateY(20px)}60%{transform:scale(1.02) translateY(-2px)}to{opacity:1;transform:scale(1) translateY(0)}}
#modal-header{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--border)}
#modal-header h3{font-family:var(--mono);font-size:13px;color:var(--accent)}
#modal-body{padding:16px}
#modal-body input{width:100%;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);padding:10px 12px;font-family:var(--mono);font-size:13px;outline:none;transition:all .3s}
#modal-body input:focus{border-color:var(--border-hover);box-shadow:0 0 0 3px rgba(0,240,255,.06)}
#modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:12px 16px;border-top:1px solid var(--border)}

/* ═══ Toast ═══ */
#toast-container{position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:300;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.toast{background:rgba(11,11,22,.95);backdrop-filter:blur(12px);color:var(--text-primary);border:1px solid var(--border);padding:10px 18px;border-radius:var(--radius);font-family:var(--mono);font-size:12px;box-shadow:var(--shadow);animation:toastIn .4s cubic-bezier(.22,1,.36,1),toastOut .4s ease 2.6s forwards;pointer-events:auto}
.toast.success{border-color:var(--green);color:var(--green)}
.toast.error{border-color:var(--red);color:var(--red)}
@keyframes toastIn{from{opacity:0;transform:translateY(-20px) scale(.9)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes toastOut{from{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-20px) scale(.9)}}

.empty-state{text-align:center;padding:40px 20px;color:var(--text-dim);animation:fadeSlideUp .5s ease}
.empty-state svg{width:40px;height:40px;stroke:var(--text-dim);fill:none;stroke-width:1;margin-bottom:12px}
.empty-state p{font-size:13px}
.empty-hint{font-size:11px;opacity:.7;margin-top:4px}
.hidden{display:none!important}

/* ═══ Scanline overlay ═══ */
body::after{content:'';position:fixed;inset:0;background:repeating-linear-gradient(transparent,transparent 2px,rgba(0,0,0,.02) 2px,rgba(0,0,0,.02) 4px);pointer-events:none;z-index:998}

/* ═══ Ambient vignette ═══ */
body::before{content:'';position:fixed;inset:0;background:radial-gradient(ellipse at 50% 50%,transparent 60%,rgba(0,0,0,.4) 100%);pointer-events:none;z-index:997}

/* ═══ Particles toggle ═══ */
.particles-off{opacity:.35}

/* ═══ Effects toggle ═══ */
.effects-toggle{display:flex;flex-direction:column;gap:8px}
.toggle-btn{display:flex;align-items:center;gap:12px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:10px 14px;cursor:pointer;transition:all .3s;width:100%;text-align:left}
.toggle-btn:hover{background:var(--bg-surface-hover);border-color:var(--border-accent)}
.toggle-track{width:36px;height:20px;border-radius:10px;background:var(--bg-tertiary);border:1px solid var(--border);position:relative;transition:all .3s;flex-shrink:0}
.toggle-thumb{position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:var(--text-dim);transition:all .3s}
.toggle-btn.active .toggle-track{background:var(--accent-dim);border-color:var(--accent)}
.toggle-btn.active .toggle-thumb{left:18px;background:var(--accent);box-shadow:0 0 8px rgba(0,240,255,.4)}
.toggle-label{font-family:var(--mono);font-size:12px;color:var(--text-secondary)}