/* ============================================================
   TAHA MAJLESI PORTFOLIO — v82 CYBERPUNK PREMIUM DESIGN
   ============================================================ */

/* ── Variables ── */
:root {
  --cyan:    #00f0ff;
  --purple:  #8a2be2;
  --emerald: #10b981;
  --rose:    #f43f5e;
  --bg:      #030712;
  --bg2:     #0a0f1e;
  --bg3:     #0f172a;
  --glass:   rgba(15,23,42,0.75);
  --glass2:  rgba(0,240,255,0.05);
  --border:  rgba(0,240,255,0.15);
  --text:    #e2e8f0;
  --muted:   #94a3b8;
  --accent:  var(--cyan);
  --glow:    0 0 25px rgba(0, 240, 255, 0.35);
  --glow-sm: 0 0 10px rgba(0, 240, 255, 0.2);
  --glow-md: 0 0 20px rgba(0, 240, 255, 0.25);
  --glow-lg: 0 0 40px rgba(0, 240, 255, 0.35);
  --r:       16px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
[data-accent="purple"] { --accent:var(--purple); --glow:0 0 30px rgba(138,43,226,0.3); --glow-sm:0 0 12px rgba(138,43,226,0.4); --border:rgba(138,43,226,0.2); }
[data-accent="emerald"]{ --accent:var(--emerald);--glow:0 0 30px rgba(16,185,129,0.3); --glow-sm:0 0 12px rgba(16,185,129,0.4); --border:rgba(16,185,129,0.2); }
[data-accent="rose"]   { --accent:var(--rose);   --glow:0 0 30px rgba(244,63,94,0.3);  --glow-sm:0 0 12px rgba(244,63,94,0.4);  --border:rgba(244,63,94,0.2); }

/* ── Reset & Base ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;font-size:16px;}
body{background:var(--bg);color:var(--text);font-family:'Inter','Space Grotesk',sans-serif;line-height:1.6;overflow-x:hidden;}
body::before{content:'';position:fixed;inset:0;background:radial-gradient(ellipse 80% 60% at 50% -10%,rgba(0,240,255,0.07),transparent),radial-gradient(ellipse 60% 50% at 100% 100%,rgba(138,43,226,0.05),transparent);pointer-events:none;z-index:0;}
::selection{background:rgba(0,240,255,0.2);color:#fff;}
a{color:var(--accent);text-decoration:none;}
button{cursor:pointer;font-family:inherit;}
img{max-width:100%;}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;font-weight:700;line-height:1.2;}

/* ── Custom cursor ── */
.cursor-spotlight{position:fixed;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(0,240,255,0.06) 0%,transparent 70%);transform:translate(-50%,-50%);pointer-events:none;z-index:1;transition:opacity .3s;}

/* ── Scrollbar ── */
::-webkit-scrollbar{width:5px;}
::-webkit-scrollbar-track{background:var(--bg2);}
::-webkit-scrollbar-thumb{background:var(--accent);border-radius:4px;}

/* ── Value ticker strip ── */
.value-strip { position: fixed; top: 0; left: 0; right: 0; height: 32px; background: rgba(3, 7, 18, 0.95); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); z-index: 1000; overflow: hidden; }
.strip-inner { display: flex; align-items: center; gap: 2rem; white-space: nowrap; animation: ticker 40s linear infinite; font-family: 'JetBrains Mono', monospace; font-size: .72rem; color: var(--accent); font-weight: 500; height: 100%; }
.value-strip:hover .strip-inner { animation-play-state: paused; }
.strip-inner span{padding:0 1.2rem;}
.strip-inner .sep{color:var(--purple);padding:0;}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ── Navigation ── */
.glass-nav{position:fixed;top:32px;left:0;right:0;z-index:999;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:rgba(3,7,18,0.8);border-bottom:1px solid var(--border);transition:all .3s;}
.nav-container{max-width:1400px;margin:0 auto;padding:0 1.5rem;display:flex;align-items:center;gap:1rem;height:60px;}
.logo{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.2rem;color:#fff;margin-right:auto;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:.25rem;flex-wrap:wrap;}
.nav-links a{color:var(--muted);font-size:.82rem;padding:.4rem .7rem;border-radius:8px;transition:all .2s;font-weight:500;white-space:nowrap;}
.nav-links a:hover{color:var(--accent);background:var(--glass2);}
.nav-hire-btn{background:linear-gradient(135deg,var(--accent),var(--purple));color:#000;font-weight:700;font-size:.8rem;padding:.45rem 1.1rem;border-radius:10px;border:none;transition:all .25s;white-space:nowrap;}
.nav-hire-btn:hover{transform:translateY(-1px);box-shadow:var(--glow-sm);}
.nav-resume-btn,.cmd-k-btn{background:var(--glass2);border:1px solid var(--border);color:var(--text);font-size:.8rem;padding:.42rem .9rem;border-radius:10px;transition:all .2s;white-space:nowrap;}
.nav-resume-btn:hover,.cmd-k-btn:hover{border-color:var(--accent);color:var(--accent);}
.cmd-k-key{opacity:.6;margin-left:.3rem;font-family:'JetBrains Mono',monospace;font-size:.72rem;}
.mobile-nav-toggle{display:none;background:none;border:1px solid var(--border);color:var(--text);padding:.4rem .6rem;border-radius:8px;font-size:1.1rem;}

/* ── GPU Telemetry bar ── */
.gpu-bar{position:fixed;bottom:0;left:0;right:0;z-index:990;background:rgba(3,7,18,0.92);border-top:1px solid var(--border);backdrop-filter:blur(16px);display:flex;align-items:center;gap:.4rem;padding:.3rem 1.2rem;font-family:'JetBrains Mono',monospace;font-size:.68rem;overflow-x:auto;}
.gpu-dot{width:8px;height:8px;border-radius:50%;background:var(--emerald);animation:blink 1.4s ease-in-out infinite;flex-shrink:0;}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.gpu-item{color:rgba(0,240,255,0.7);white-space:nowrap;padding:.1rem .6rem;border-right:1px solid rgba(0,240,255,0.1);}
.gpu-item:last-child{border-right:none;}
.gpu-item b{color:var(--accent);}
.gpu-val{color:#fff;font-weight:600;}

/* ── Floating controls ── */
.theme-switcher{position:fixed;right:1.2rem;top:50%;transform:translateY(-50%);z-index:995;display:flex;flex-direction:column;gap:.5rem;align-items:center;}
.theme-switcher-panel{background:var(--glass);border:1px solid var(--border);border-radius:16px;padding:.6rem .4rem;display:flex;flex-direction:column;gap:.5rem;align-items:center;backdrop-filter:blur(16px);}
.ctrl-btn{width:36px;height:36px;border-radius:10px;border:1px solid var(--border);background:rgba(0,240,255,0.05);color:var(--muted);font-size:.9rem;display:flex;align-items:center;justify-content:center;transition:all .2s;}
.ctrl-btn:hover,.ctrl-btn.active{border-color:var(--accent);color:var(--accent);background:rgba(0,240,255,0.1);box-shadow:var(--glow-sm);}
.accent-dot{width:20px;height:20px;border-radius:50%;border:2px solid transparent;transition:all .2s;cursor:pointer;}
.accent-dot:hover,.accent-dot.active{border-color:#fff;transform:scale(1.2);box-shadow:0 0 8px currentColor;}
.ctrl-divider{width:100%;height:1px;background:var(--border);margin:.1rem 0;}

.back-top-btn{position:fixed;right:1.2rem;bottom:34px;z-index:995;width:40px;height:40px;border-radius:12px;background:var(--glass);border:1px solid var(--border);color:var(--accent);font-size:1rem;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:all .25s;}
.back-top-btn:hover{background:rgba(0,240,255,0.12);box-shadow:var(--glow-sm);transform:translateY(-2px);}

.ai-fab{position:fixed;left:1.2rem;bottom:34px;z-index:995;display:flex;align-items:center;gap:.5rem;background:linear-gradient(135deg,var(--accent),var(--purple));color:#000;font-weight:700;font-size:.85rem;padding:.6rem 1.1rem;border-radius:14px;border:none;box-shadow:0 4px 20px rgba(0,240,255,0.3);transition:all .25s;cursor:pointer;}
.ai-fab:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,240,255,0.4);}
.ai-fab i{font-size:1rem;}
@media(max-width:600px){.ai-fab{bottom:34px;left:1.2rem;padding:.5rem .9rem;font-size:.78rem;}}

/* ── Gradient text ── */
.gradient-text{background:linear-gradient(135deg,var(--accent) 0%,var(--purple) 50%,var(--rose) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}

/* ── Toast ── */
.toast-wrap{position:fixed;top:6rem;left:50%;transform:translateX(-50%);z-index:9999;pointer-events:none;}
.toast{background:rgba(0,240,255,0.12);border:1px solid var(--accent);color:var(--accent);font-size:.85rem;padding:.6rem 1.4rem;border-radius:10px;backdrop-filter:blur(16px);animation:fadeInOut 2.8s ease forwards;white-space:nowrap;font-weight:600;}
@keyframes fadeInOut{0%{opacity:0;transform:translateY(-8px)}15%{opacity:1;transform:translateY(0)}80%{opacity:1}100%{opacity:0}}

/* ── Modals ── */
.modal-overlay{position:fixed;inset:0;z-index:5000;background:rgba(3,7,18,0.82);backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:center;padding:1rem;animation:fadeIn .2s ease;}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal-box{background:var(--bg2);border:1px solid var(--border);border-radius:20px;padding:2rem;max-width:680px;width:100%;position:relative;max-height:90vh;overflow-y:auto;box-shadow:0 24px 80px rgba(0,0,0,0.6),inset 0 1px 0 rgba(0,240,255,0.1);}
.modal-box::-webkit-scrollbar{width:4px;}
.modal-box::-webkit-scrollbar-thumb{background:var(--accent);}
.modal-close{position:absolute;top:1rem;right:1rem;background:none;border:1px solid var(--border);color:var(--muted);width:32px;height:32px;border-radius:8px;font-size:.85rem;display:flex;align-items:center;justify-content:center;transition:all .2s;}
.modal-close:hover{border-color:var(--rose);color:var(--rose);}

/* AI Chat Modal */
.ai-header{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border);}
.ai-avatar{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--purple));display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;}
.ai-header h3{font-size:1rem;color:#fff;}
.ai-header p{font-size:.78rem;color:var(--muted);}
.chat-body{min-height:200px;max-height:340px;overflow-y:auto;display:flex;flex-direction:column;gap:.75rem;margin-bottom:1rem;padding:.5rem 0;}
.chat-body::-webkit-scrollbar{width:3px;}
.chat-body::-webkit-scrollbar-thumb{background:var(--border);}
.chat-msg{padding:.75rem 1rem;border-radius:14px;font-size:.87rem;line-height:1.55;max-width:88%;}
.chat-msg.bot{background:rgba(0,240,255,0.07);border:1px solid rgba(0,240,255,0.1);border-radius:14px 14px 14px 4px;align-self:flex-start;}
.chat-msg.user{background:linear-gradient(135deg,rgba(138,43,226,0.18),rgba(0,240,255,0.12));border:1px solid rgba(138,43,226,0.2);align-self:flex-end;border-radius:14px 14px 4px 14px;}
.quick-prompts{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1rem;}
.qp-btn{background:rgba(0,240,255,0.05);border:1px solid var(--border);color:var(--muted);font-size:.75rem;padding:.35rem .75rem;border-radius:8px;transition:all .2s;text-align:left;}
.qp-btn:hover{border-color:var(--accent);color:var(--accent);}
.chat-input-row{display:flex;gap:.5rem;}
.chat-input-row input{flex:1;background:rgba(255,255,255,0.04);border:1px solid var(--border);color:#fff;font-size:.87rem;padding:.7rem 1rem;border-radius:12px;outline:none;transition:border-color .2s;}
.chat-input-row input:focus{border-color:var(--accent);}

/* Command palette */
.cmd-box{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:0;max-width:560px;width:100%;overflow:hidden;box-shadow:0 24px 80px rgba(0,0,0,0.7);}
.cmd-search{display:flex;align-items:center;gap:.75rem;padding:.9rem 1.2rem;border-bottom:1px solid var(--border);}
.cmd-search i{color:var(--muted);font-size:1rem;}
.cmd-search input{flex:1;background:none;border:none;color:#fff;font-size:1rem;outline:none;font-family:inherit;}
.cmd-search input::placeholder{color:var(--muted);}
.cmd-results{max-height:340px;overflow-y:auto;}
.cmd-item{display:flex;align-items:center;gap:.9rem;padding:.8rem 1.2rem;cursor:pointer;transition:all .18s;border-bottom:1px solid rgba(0,240,255,0.04);font-size:.88rem;}
.cmd-item:hover{background:rgba(0,240,255,0.06);color:var(--accent);}
.cmd-item i{width:18px;text-align:center;color:var(--muted);font-size:.9rem;}
.cmd-item:hover i{color:var(--accent);}

/* Hire modal */
.hire-tmpl{display:flex;flex-direction:column;gap:.5rem;margin:1rem 0;}
.hire-tmpl-item{display:flex;align-items:center;gap:.75rem;padding:.8rem 1rem;background:var(--glass2);border:1px solid var(--border);border-radius:10px;cursor:pointer;transition:all .2s;font-size:.87rem;}
.hire-tmpl-item:hover{border-color:var(--accent);background:rgba(0,240,255,0.06);}
.hire-tmpl-item i{color:var(--accent);width:18px;text-align:center;}

/* BibTeX modal */
.bib-box{background:#0a0a0a;border:1px solid var(--border);border-radius:10px;padding:1.2rem;font-family:'JetBrains Mono',monospace;font-size:.8rem;color:#a8b5c4;line-height:1.7;overflow-x:auto;white-space:pre;}

/* ── MAIN layout ── */
main{position:relative;z-index:10;}
.section{max-width:1300px;margin:0 auto;padding:5rem 1.5rem;}
.section-head{text-align:center;margin-bottom:3.5rem;}
.section-head h2{font-size:clamp(1.8rem,4vw,2.8rem);color:#fff;margin-bottom:.75rem;}
.section-head p{color:var(--muted);font-size:1rem;max-width:600px;margin:0 auto;}
.section-tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:.75rem;font-family:'JetBrains Mono',monospace;}

/* ── HERO ── */
.hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8rem 1.5rem 6rem;text-align:center;position:relative;}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 60% at 50% 30%,rgba(0,240,255,0.04) 0%,transparent 70%);pointer-events:none;}

/* avatar */
.avatar-wrap{position:relative;margin-bottom:2rem;display:inline-block;}
.avatar-img{width:120px;height:120px;border-radius:50%;object-fit:cover;border:3px solid rgba(0,240,255,0.4);box-shadow:0 0 0 8px rgba(0,240,255,0.05),0 0 40px rgba(0,240,255,0.2);position:relative;z-index:2;}
.avatar-ring{position:absolute;inset:-10px;border-radius:50%;border:2px solid transparent;border-top-color:var(--accent);border-right-color:var(--purple);animation:spin 4s linear infinite;z-index:1;}
.avatar-ring2{position:absolute;inset:-20px;border-radius:50%;border:1px solid transparent;border-bottom-color:rgba(0,240,255,0.3);animation:spin 7s linear infinite reverse;z-index:1;}
@keyframes spin{to{transform:rotate(360deg)}}

.hero-badge{display:inline-flex;align-items:center;gap:.5rem;background:rgba(0,240,255,0.06);border:1px solid rgba(0,240,255,0.2);border-radius:100px;padding:.4rem 1.2rem;font-size:.8rem;color:var(--accent);font-weight:600;margin-bottom:1.2rem;}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--emerald);animation:blink 1.4s ease-in-out infinite;}
.hero-clock{font-size:.8rem;color:var(--muted);margin-bottom:1.5rem;font-family:'JetBrains Mono',monospace;}
.hero-clock b{color:var(--accent);}
.status-green{color:var(--emerald);font-weight:600;}

h1.hero-title{font-size:clamp(2.2rem,6vw,4.2rem);color:#fff;line-height:1.1;margin-bottom:1.2rem;letter-spacing:-.02em;}
.hero-subtitle{font-size:clamp(.95rem,2vw,1.1rem);color:var(--muted);max-width:720px;margin:0 auto 2rem;line-height:1.7;}
.hero-subtitle b{color:var(--text);}

.tag-cloud{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-bottom:2.5rem;}
.tag-pill{background:rgba(0,240,255,0.05);border:1px solid rgba(0,240,255,0.15);color:var(--muted);font-size:.75rem;padding:.3rem .85rem;border-radius:100px;cursor:pointer;transition:all .2s;font-weight:500;}
.tag-pill:hover{border-color:var(--accent);color:var(--accent);background:rgba(0,240,255,0.08);}

.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center;margin-bottom:2.5rem;}
.social-row{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center;margin-top:.5rem;}

/* ── Buttons ── */
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--purple));color:#000;font-weight:700;font-size:.9rem;padding:.65rem 1.6rem;border-radius:12px;border:none;transition:all .25s;display:inline-flex;align-items:center;gap:.5rem;}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,240,255,0.3);filter:brightness(1.1);}
.btn-secondary{background:rgba(255,255,255,0.04);border:1px solid var(--border);color:var(--text);font-size:.88rem;padding:.62rem 1.4rem;border-radius:12px;transition:all .2s;display:inline-flex;align-items:center;gap:.5rem;}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent);background:rgba(0,240,255,0.06);}
.btn-send{background:var(--accent);color:#000;font-weight:700;padding:.7rem 1rem;border-radius:12px;border:none;min-width:42px;display:flex;align-items:center;justify-content:center;transition:all .2s;}
.btn-send:hover{opacity:.88;}
.social-btn{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,0.04);border:1px solid var(--border);color:var(--muted);display:flex;align-items:center;justify-content:center;font-size:.95rem;transition:all .2s;}
.social-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(0,240,255,0.08);transform:translateY(-2px);}

/* ── Stats bar ── */
.stats-bar{max-width:1300px;margin:0 auto;padding:0 1.5rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1px;background:var(--border);border:1px solid var(--border);border-radius:16px;overflow:hidden;margin-bottom:0;}
.stat-cell{background:var(--bg2);padding:1.4rem 1rem;text-align:center;transition:background .2s;}
.stat-cell:hover{background:rgba(0,240,255,0.04);}
.stat-num{display:block;font-size:1.6rem;font-weight:800;color:var(--accent);font-family:'Space Grotesk',sans-serif;letter-spacing:-.02em;}
.stat-lbl{font-size:.73rem;color:var(--muted);margin-top:.2rem;letter-spacing:.04em;text-transform:uppercase;font-weight:600;}

/* ── Cards ── */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.2rem;}
.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:1.5rem;transition:all .25s;position:relative;overflow:hidden;}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--purple));opacity:0;transition:opacity .3s;}
.card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 16px 48px rgba(0,0,0,0.4),var(--glow);}
.card:hover::before{opacity:1;}
.card-icon{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,rgba(0,240,255,0.12),rgba(138,43,226,0.12));border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:var(--accent);margin-bottom:1rem;}
.card-val{font-size:2rem;font-weight:800;color:var(--accent);font-family:'Space Grotesk',sans-serif;display:block;margin-bottom:.1rem;}
.card h3{font-size:.95rem;color:#fff;margin-bottom:.4rem;}
.card p{font-size:.82rem;color:var(--muted);line-height:1.55;}

/* ── Timeline ── */
.timeline{position:relative;max-width:860px;margin:0 auto;}
.timeline::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:1px;background:linear-gradient(to bottom,transparent,var(--border) 10%,var(--border) 90%,transparent);transform:translateX(-50%);}
.tl-item{display:grid;grid-template-columns:1fr 40px 1fr;gap:1rem;margin-bottom:2rem;align-items:start;}
.tl-item:nth-child(even) .tl-content{grid-column:3;text-align:left;}
.tl-item:nth-child(even) .tl-empty{grid-column:1;}
.tl-dot{width:36px;height:36px;border-radius:50%;background:var(--bg2);border:2px solid var(--accent);display:flex;align-items:center;justify-content:center;font-size:.85rem;color:var(--accent);position:relative;z-index:1;grid-column:2;box-shadow:var(--glow-sm);}
.tl-content{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:1.1rem 1.2rem;transition:all .2s;}
.tl-content:hover{border-color:var(--accent);}
.tl-year{font-size:.7rem;color:var(--accent);font-weight:700;letter-spacing:.1em;font-family:'JetBrains Mono',monospace;margin-bottom:.3rem;}
.tl-content h4{font-size:.88rem;color:#fff;margin-bottom:.3rem;}
.tl-content p{font-size:.78rem;color:var(--muted);line-height:1.5;}

/* ── Constellation ── */
.constellation-wrap{position:relative;height:520px;background:radial-gradient(ellipse 80% 70% at 50% 50%,rgba(0,240,255,0.03),transparent);border:1px solid var(--border);border-radius:20px;overflow:hidden;}
.c-node{position:absolute;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:.3rem;cursor:pointer;z-index:2;}
.c-node-dot{width:44px;height:44px;border-radius:50%;background:var(--bg2);border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:1rem;color:var(--muted);transition:all .25s;position:relative;}
.c-node-dot::after{content:'';position:absolute;inset:-6px;border-radius:50%;border:1px solid transparent;transition:all .3s;}
.c-node:hover .c-node-dot,.c-node.active .c-node-dot{border-color:var(--accent);color:var(--accent);background:rgba(0,240,255,0.08);box-shadow:var(--glow-sm);}
.c-node:hover .c-node-dot::after,.c-node.active .c-node-dot::after{border-color:rgba(0,240,255,0.2);}
.c-node-label{font-size:.72rem;color:var(--muted);font-weight:600;text-align:center;max-width:90px;transition:color .2s;}
.c-node:hover .c-node-label,.c-node.active .c-node-label{color:var(--accent);}
.c-node.core .c-node-dot{width:56px;height:56px;font-size:1.3rem;border-color:var(--accent);color:var(--accent);background:rgba(0,240,255,0.06);}
.c-info{position:absolute;bottom:1.2rem;left:1.2rem;right:1.2rem;background:rgba(10,15,30,0.95);border:1px solid var(--accent);border-radius:12px;padding:1rem 1.2rem;backdrop-filter:blur(12px);animation:fadeIn .2s ease;}
.c-info h3{font-size:.95rem;color:var(--accent);margin-bottom:.3rem;}
.c-info p{font-size:.8rem;color:var(--muted);}
.c-close{position:absolute;top:.7rem;right:.8rem;background:none;border:none;color:var(--muted);font-size:1.1rem;cursor:pointer;transition:color .2s;}
.c-close:hover{color:#fff;}

/* ── Terminal / Code ── */
.terminal{background:#030508;border:1px solid var(--border);border-radius:16px;overflow:hidden;}
.t-bar{background:rgba(0,0,0,0.4);border-bottom:1px solid var(--border);padding:.8rem 1.2rem;display:flex;align-items:center;gap:.8rem;flex-wrap:wrap;}
.t-dots{display:flex;gap:6px;}
.t-dot{width:12px;height:12px;border-radius:50%;}
.t-dot.r{background:#ff5f57;}.t-dot.y{background:#febc2e;}.t-dot.g{background:#28c840;}
.t-tabs{display:flex;gap:.4rem;flex-wrap:wrap;}
.t-tab{background:none;border:1px solid var(--border);color:var(--muted);font-size:.75rem;padding:.3rem .8rem;border-radius:7px;transition:all .2s;font-family:'JetBrains Mono',monospace;}
.t-tab:hover{color:var(--text);}
.t-tab.active{border-color:var(--accent);color:var(--accent);background:rgba(0,240,255,0.06);}
.t-label{margin-left:auto;font-size:.7rem;color:var(--muted);font-family:'JetBrains Mono',monospace;}
.t-body{padding:1.4rem;}
.t-code{font-family:'JetBrains Mono',monospace;font-size:.8rem;line-height:1.7;color:#a8d8b0;overflow-x:auto;white-space:pre;}
.t-run-btn{margin-top:1rem;background:linear-gradient(135deg,rgba(0,240,255,.12),rgba(138,43,226,.08));border:1px solid var(--accent);color:var(--accent);font-size:.82rem;font-weight:700;padding:.5rem 1.4rem;border-radius:10px;display:inline-flex;align-items:center;gap:.5rem;transition:all .25s;}
.t-run-btn:hover{background:rgba(0,240,255,0.15);box-shadow:var(--glow-sm);}
.t-output{margin-top:1rem;background:#000;border:1px solid rgba(0,240,255,0.15);border-radius:8px;padding:1rem;font-family:'JetBrains Mono',monospace;font-size:.78rem;color:#00ff88;line-height:1.65;animation:fadeIn .3s ease;}

/* ── Publications ── */
.pub-list{display:flex;flex-direction:column;gap:1.2rem;}
.pub-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:1.6rem;transition:all .25s;position:relative;overflow:hidden;}
.pub-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(to bottom,var(--accent),var(--purple));border-radius:0 2px 2px 0;}
.pub-card:hover{border-color:var(--accent);transform:translateX(4px);box-shadow:0 8px 32px rgba(0,0,0,0.3);}
.pub-badge{display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);background:rgba(0,240,255,0.08);border:1px solid rgba(0,240,255,0.15);padding:.2rem .7rem;border-radius:6px;margin-bottom:.7rem;font-family:'JetBrains Mono',monospace;}
.pub-title{font-size:1rem;color:#fff;margin-bottom:.5rem;line-height:1.4;}
.pub-title a{color:inherit;transition:color .2s;}
.pub-title a:hover{color:var(--accent);}
.pub-meta{font-size:.78rem;color:var(--muted);margin-bottom:.8rem;}
.pub-abstract{font-size:.83rem;color:var(--muted);line-height:1.6;margin-bottom:1rem;}
.pub-links{display:flex;flex-wrap:wrap;gap:.5rem;}
.pub-btn{font-size:.78rem;font-weight:600;padding:.35rem .85rem;border-radius:8px;border:1px solid var(--border);color:var(--muted);background:none;transition:all .2s;display:inline-flex;align-items:center;gap:.35rem;cursor:pointer;}
.pub-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(0,240,255,0.06);}

/* ── Hugging Face ── */
.hf-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem;}
.hf-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:1.2rem;transition:all .25s;display:flex;flex-direction:column;gap:.6rem;}
.hf-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 12px 36px rgba(0,0,0,0.3);}
.hf-type{font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;display:inline-flex;align-items:center;gap:.35rem;padding:.2rem .6rem;border-radius:6px;font-family:'JetBrains Mono',monospace;}
.hf-type.model{color:#60a5fa;background:rgba(96,165,250,0.08);border:1px solid rgba(96,165,250,0.15);}
.hf-type.dataset{color:#a78bfa;background:rgba(167,139,250,0.08);border:1px solid rgba(167,139,250,0.15);}
.hf-id{font-size:.83rem;color:#fff;font-weight:600;word-break:break-all;font-family:'JetBrains Mono',monospace;}
.hf-meta{display:flex;gap:.75rem;font-size:.73rem;color:var(--muted);}
.hf-meta span{display:flex;align-items:center;gap:.25rem;}
.hf-code{background:#030508;border:1px solid rgba(0,240,255,0.1);border-radius:8px;padding:.6rem .8rem;font-size:.73rem;font-family:'JetBrains Mono',monospace;color:#a8d8b0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.hf-link{font-size:.78rem;color:var(--accent);display:inline-flex;align-items:center;gap:.3rem;margin-top:auto;transition:opacity .2s;}
.hf-link:hover{opacity:.8;}

/* ── Repository grid ── */
.search-wrap{position:relative;margin-bottom:1.5rem;}
.search-wrap input{width:100%;background:var(--bg2);border:1px solid var(--border);color:#fff;font-size:.9rem;padding:.8rem 1rem .8rem 2.8rem;border-radius:12px;outline:none;transition:border-color .2s;font-family:inherit;}
.search-wrap input:focus{border-color:var(--accent);}
.search-wrap input::placeholder{color:var(--muted);}
.search-icon{position:absolute;left:.9rem;top:50%;transform:translateY(-50%);color:var(--muted);font-size:.9rem;}
.filter-tabs{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2rem;}
.filter-btn{background:var(--bg2);border:1px solid var(--border);color:var(--muted);font-size:.8rem;padding:.4rem .9rem;border-radius:8px;transition:all .2s;font-weight:500;}
.filter-btn:hover{color:var(--text);border-color:rgba(0,240,255,0.3);}
.filter-btn.active{background:rgba(0,240,255,0.08);border-color:var(--accent);color:var(--accent);}
.bento{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem;}
.bento-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:1.3rem;transition:all .25s;display:flex;flex-direction:column;gap:.5rem;text-decoration:none;position:relative;overflow:hidden;}
.bento-card::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,240,255,0.02),transparent);opacity:0;transition:opacity .3s;}
.bento-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 16px 48px rgba(0,0,0,0.4),var(--glow);}
.bento-card:hover::after{opacity:1;}
.bento-wide{grid-column:span 2;}
.bento-tag{display:inline-flex;align-items:center;gap:.3rem;font-size:.68rem;color:var(--accent);font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-family:'JetBrains Mono',monospace;}
.bento-title{font-size:.92rem;color:#fff;font-weight:700;line-height:1.35;}
.bento-desc{font-size:.78rem;color:var(--muted);line-height:1.55;flex:1;}
.bento-footer{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:.3rem;}
.bento-pill{font-size:.68rem;color:var(--muted);background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);padding:.2rem .5rem;border-radius:5px;}

/* ── Substack articles ── */
.articles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.2rem;}
.article-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:1.4rem;transition:all .25s;display:flex;flex-direction:column;gap:.5rem;position:relative;overflow:hidden;}
.article-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--purple));transform:scaleX(0);transform-origin:left;transition:transform .3s;}
.article-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,0.35);}
.article-card:hover::before{transform:scaleX(1);}
.article-date{font-size:.7rem;color:var(--accent);font-family:'JetBrains Mono',monospace;font-weight:600;letter-spacing:.08em;}
.article-card h3{font-size:.92rem;color:#fff;font-weight:700;line-height:1.4;flex:1;}
.article-card p{font-size:.78rem;color:var(--muted);line-height:1.55;}
.read-more{font-size:.78rem;color:var(--accent);display:inline-flex;align-items:center;gap:.3rem;font-weight:600;margin-top:auto;transition:gap .2s;}
.read-more:hover{gap:.5rem;}

/* ── Skills section ── */
.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;}
.skill-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:1.2rem;}
.skill-cat{font-size:.75rem;color:var(--accent);font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:.9rem;font-family:'JetBrains Mono',monospace;}
.skill-tags{display:flex;flex-wrap:wrap;gap:.4rem;}
.skill-tag{font-size:.75rem;background:rgba(0,240,255,0.05);border:1px solid rgba(0,240,255,0.12);color:var(--muted);padding:.25rem .65rem;border-radius:6px;font-weight:500;}

/* ── README section ── */
.readme-box{background:#0d1117;border:1px solid var(--border);border-radius:var(--r);padding:2rem;font-family:'JetBrains Mono',monospace;font-size:.82rem;color:#c9d1d9;line-height:1.8;overflow-x:auto;}
.readme-box h1,.readme-box h2,.readme-box h3{font-family:'Space Grotesk',sans-serif;color:#fff;margin:1.2rem 0 .5rem;}
.readme-box a{color:var(--accent);}
.readme-box code{background:rgba(0,240,255,0.06);padding:.1rem .4rem;border-radius:4px;font-size:.8rem;}
.readme-badge{display:inline-block;height:22px;margin:.1rem .1rem;vertical-align:middle;}

/* ── Responsive ── */
@media(max-width:900px){
  .mobile-nav-toggle{display:block;}
  .nav-links{display:none;position:fixed;top:92px;left:0;right:0;height:calc(100vh - 92px);overflow-y:auto;background:rgba(3,7,18,0.98);padding:1.5rem;flex-direction:column;gap:.8rem;border-bottom:1px solid var(--border);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);z-index:1005;}
  .nav-links.open{display:flex;}
  .theme-switcher{display:none;}
  .tl-item{grid-template-columns:40px 1fr;}
  .tl-item .tl-empty{display:none;}
  .tl-item:nth-child(even) .tl-content{grid-column:2;}
  .tl-item:nth-child(even) .tl-empty{display:none;}
  .timeline::before{left:20px;}
  .tl-dot{grid-column:1;}
  .bento-wide{grid-column:span 1;}
}
@media(max-width:600px){
  .hero{padding:7rem 1rem 5rem;}
  .section{padding:4rem 1rem;}
  .stats-bar{grid-template-columns:repeat(2,1fr);}
  .ai-fab span{display:none;}
}

/* ── Animations ── */
.fade-up{opacity:0;transform:translateY(24px);animation:fadeUp .6s ease forwards;}
@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}
.fade-up:nth-child(1){animation-delay:.05s}.fade-up:nth-child(2){animation-delay:.1s}.fade-up:nth-child(3){animation-delay:.15s}.fade-up:nth-child(4){animation-delay:.2s}.fade-up:nth-child(5){animation-delay:.25s}.fade-up:nth-child(6){animation-delay:.3s}.fade-up:nth-child(7){animation-delay:.35s}.fade-up:nth-child(8){animation-delay:.4s}

/* ── README section fancy ── */
.readme-preview{background:var(--bg2);border:1px solid var(--border);border-radius:20px;overflow:hidden;}
.readme-preview-bar{background:rgba(0,0,0,0.3);border-bottom:1px solid var(--border);padding:.75rem 1rem;display:flex;align-items:center;gap:.6rem;}
.readme-preview-bar span{font-size:.78rem;color:var(--muted);font-family:'JetBrains Mono',monospace;}
.readme-content{padding:2rem;font-size:.88rem;line-height:1.8;color:#c9d1d9;}
.readme-content h1{font-size:1.6rem;color:#fff;margin-bottom:.5rem;}
.readme-content h2{font-size:1.15rem;color:var(--accent);margin:1.5rem 0 .6rem;padding-bottom:.4rem;border-bottom:1px solid var(--border);}
.readme-content h3{font-size:.95rem;color:#fff;margin:.8rem 0 .3rem;}
.readme-content p{color:var(--muted);margin-bottom:.8rem;}
.readme-content table{width:100%;border-collapse:collapse;font-size:.8rem;margin-bottom:1rem;}
.readme-content td,.readme-content th{padding:.5rem .8rem;border:1px solid var(--border);text-align:left;}
.readme-content th{background:rgba(0,240,255,0.05);color:var(--accent);}
.readme-content code{background:rgba(0,240,255,0.06);padding:.1rem .4rem;border-radius:4px;font-family:'JetBrains Mono',monospace;font-size:.8rem;color:var(--accent);}

/* ── Educational Sandbox (Split Layout & Animations) ── */
.sandbox-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-top:2rem;align-items:start;}
@media(max-width: 1000px){ .sandbox-grid{grid-template-columns:1fr; } }
.sandbox-left{max-height:650px;overflow-y:auto;}
.sandbox-right{display:flex;flex-direction:column;gap:1.5rem;}
.sandbox-visualizer{position:relative;background:var(--bg2);border:1px solid var(--border);border-radius:16px;height:240px;overflow:hidden;box-shadow:inset 0 0 40px rgba(0,0,0,0.5);}
.vis-overlay-play{position:absolute;inset:0;background:rgba(3,7,18,0.7);backdrop-filter:blur(3px);display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--accent);cursor:pointer;z-index:10;transition:all .3s;}
.vis-overlay-play i{font-size:3rem;margin-bottom:.5rem;filter:drop-shadow(0 0 10px var(--accent));transition:transform .2s;}
.vis-overlay-play:hover i{transform:scale(1.1);}
.vis-container{width:100%;height:100%;padding:1rem;position:relative;}
.vis-label{position:absolute;top:10px;left:15px;font-family:'JetBrains Mono',monospace;font-size:0.7rem;color:var(--muted);text-transform:uppercase;letter-spacing:0.1em;}

/* Animation specific classes */
.cuda-node{width:14px;height:14px;border-radius:50%;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.3);}
.cuda-node.active{background:var(--accent);border-color:var(--accent);box-shadow:var(--glow-sm);}
.cuda-node.final{width:20px;height:20px;background:var(--emerald);border-color:var(--emerald);box-shadow:0 0 15px var(--emerald);}
.matrix{display:flex;align-items:center;justify-content:center;border:1px solid var(--accent);background:rgba(0,240,255,0.05);color:var(--accent);font-family:'JetBrains Mono',monospace;font-size:12px;border-radius:6px;transition:all 0.5s ease;}
.matrix.n-by-n{width:100px;height:100px;}
.matrix.n-by-n.shrink{transform:scale(0.8);opacity:0.5;}
.matrix.n-by-r{width:30px;height:100px;}
.matrix.r-by-n{width:100px;height:30px;}

.sandbox-tutorial{padding:1.5rem;background:rgba(0,240,255,0.03);border:1px solid rgba(0,240,255,0.15);border-radius:12px;border-left:4px solid var(--accent);animation:fadeIn .4s ease;}
.sandbox-tutorial h4{color:var(--accent);font-size:1.05rem;margin-bottom:.8rem;display:flex;align-items:center;gap:.6rem;}
.sandbox-tutorial p{font-size:.88rem;color:#c9d1d9;line-height:1.7;}
.sandbox-tutorial p b{color:#fff;}
.sandbox-tutorial p i{color:var(--emerald);font-style:normal;font-family:'JetBrains Mono',monospace;padding:0 .2rem;}

/* ── Newsletter Section ── */
.newsletter-card{position:relative;background:var(--bg2);border:1px solid var(--border);border-radius:24px;padding:4rem 2rem;text-align:center;overflow:hidden;box-shadow:0 24px 80px rgba(0,0,0,0.4);}
.newsletter-content{position:relative;z-index:2;max-width:600px;margin:0 auto;}
.newsletter-form{display:flex;gap:.5rem;margin-top:2rem;margin-bottom:1rem;flex-wrap:wrap;justify-content:center;}
.newsletter-input{flex:1;min-width:260px;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.1);color:#fff;font-size:1rem;padding:.8rem 1.2rem;border-radius:12px;outline:none;transition:border-color .2s;font-family:inherit;}
.newsletter-input:focus{border-color:var(--accent);}
.newsletter-btn{padding:.8rem 2rem;}
.newsletter-meta{display:flex;gap:1.5rem;justify-content:center;color:var(--muted);font-size:.8rem;flex-wrap:wrap;}
.newsletter-meta span{display:flex;align-items:center;gap:.4rem;}
.newsletter-meta i{color:var(--emerald);}
.newsletter-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:100%;height:100%;background:radial-gradient(ellipse at center, rgba(0,240,255,0.08) 0%, transparent 60%);z-index:1;pointer-events:none;}

/* ── Contribution Graph ── */
.contrib-wrapper{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:1.5rem;overflow:hidden;}
.contrib-scroll{overflow-x:auto;padding-bottom:1rem;}
.contrib-scroll::-webkit-scrollbar{height:4px;}
.contrib-scroll::-webkit-scrollbar-thumb{background:var(--border);}
.contrib-grid{display:flex;gap:4px;width:max-content;}
.contrib-col{display:flex;flex-direction:column;gap:4px;}
.contrib-cell{width:11px;height:11px;border-radius:2px;background:rgba(255,255,255,0.05);transition:all .2s;}
.contrib-cell:hover{transform:scale(1.2);box-shadow:0 0 10px var(--accent);}
.contrib-cell.lvl-1{background:rgba(0,240,255,0.25);}
.contrib-cell.lvl-2{background:rgba(0,240,255,0.5);}
.contrib-cell.lvl-3{background:rgba(0,240,255,0.75);}
.contrib-cell.lvl-4{background:rgba(0,240,255,1);box-shadow:0 0 8px rgba(0,240,255,0.4);}
.contrib-legend{display:flex;align-items:center;gap:.5rem;justify-content:flex-end;margin-top:1rem;font-size:.75rem;color:var(--muted);}

/* ── Achievements / CountUp ── */
.achv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-top:3rem;}
@media(max-width:900px){.achv-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:500px){.achv-grid{grid-template-columns:1fr;}}
.achv-card{background:var(--bg2);border:1px solid var(--border);border-radius:18px;padding:2rem 1.5rem;text-align:center;transition:all .3s;position:relative;overflow:hidden;}
.achv-card:hover{transform:translateY(-5px);border-color:var(--accent);box-shadow:var(--glow-sm);}
.achv-card::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at center,rgba(0,240,255,0.05),transparent 70%);opacity:0;transition:opacity .3s;}
.achv-card:hover::after{opacity:1;}
.achv-icon-wrap{width:48px;height:48px;border-radius:12px;background:rgba(0,240,255,0.08);border:1px solid rgba(0,240,255,0.2);display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;color:var(--accent);font-size:1.2rem;}
.achv-val{font-size:2.5rem;font-weight:800;color:#fff;line-height:1;margin-bottom:.4rem;font-family:'Space Grotesk',sans-serif;}
.achv-title{font-size:.85rem;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.08em;margin-bottom:.8rem;}
.achv-desc{font-size:.78rem;color:var(--muted);line-height:1.6;}

/* ── Constellation ── */
.constellation-wrap{position:relative;width:100%;height:460px;background:var(--bg2);border:1px solid var(--border);border-radius:20px;overflow:hidden;margin-top:2.5rem;box-shadow:inset 0 0 60px rgba(0,0,0,0.4);}
.constellation-panel{position:absolute;bottom:1.5rem;left:50%;transform:translateX(-50%);background:rgba(10,10,20,0.9);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:14px;padding:1.2rem 1.5rem;min-width:280px;max-width:420px;border-left-width:3px;}

/* ── Skills with animated bars ── */
.skills-tabs{display:flex;gap:.75rem;flex-wrap:wrap;margin-bottom:2.5rem;margin-top:2rem;}
.skills-tab-btn{padding:.5rem 1.2rem;background:var(--bg2);border:1px solid var(--border);color:var(--muted);border-radius:8px;font-size:.82rem;cursor:pointer;transition:all .2s;font-family:inherit;}
.skills-tab-btn:hover{color:#fff;border-color:rgba(255,255,255,0.2);}
.skills-tab-btn.active{background:rgba(0,240,255,0.06);color:var(--accent);}
.skills-bars-panel{display:flex;flex-direction:column;gap:.9rem;}
.skill-bar-row{display:flex;align-items:center;gap:1rem;}
.skill-bar-label{font-size:.82rem;color:#c9d1d9;width:180px;flex-shrink:0;font-family:'JetBrains Mono',monospace;}
.skill-bar-bg{flex:1;height:6px;background:rgba(255,255,255,0.06);border-radius:99px;overflow:hidden;}
.skill-bar-fill{height:100%;border-radius:99px;}
.skill-bar-pct{font-size:.75rem;font-family:'JetBrains Mono',monospace;width:36px;text-align:right;flex-shrink:0;}

/* ── Contact ── */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;margin-top:3rem;}
@media(max-width:800px){.contact-grid{grid-template-columns:1fr;}}
.contact-ctas{display:flex;flex-direction:column;gap:1rem;}
.contact-cta-card{display:flex;align-items:center;gap:1.2rem;background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:1.5rem;cursor:pointer;text-decoration:none;color:inherit;transition:all .25s;}
.contact-cta-card:hover{transform:translateX(4px);border-color:var(--accent);box-shadow:var(--glow-sm);}
.contact-cta-card i:first-child{font-size:1.4rem;color:var(--accent);width:36px;text-align:center;flex-shrink:0;}
.contact-cta-card h4{color:#fff;margin-bottom:.25rem;font-size:1rem;}
.contact-cta-card p{color:var(--muted);font-size:.8rem;}
.primary-cta{border-color:rgba(0,240,255,0.2);}
.sponsor-cta{border-color:rgba(234,74,170,0.2);}
.sponsor-cta i:first-child{color:#ea4aaa;}
.sponsor-cta:hover{border-color:#ea4aaa;box-shadow:0 0 20px rgba(234,74,170,0.15);}
.contact-email-row{display:flex;gap:.75rem;align-items:center;background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:1rem 1.2rem;}
.contact-email-display{display:flex;align-items:center;gap:.75rem;flex:1;font-family:'JetBrains Mono',monospace;font-size:.85rem;color:#fff;}
.contact-copy{padding:.4rem 1rem;font-size:.8rem;}
.contact-socials{display:flex;flex-direction:column;gap:.6rem;}
.contact-social-row{display:flex;align-items:center;gap:1rem;padding:1rem 1.2rem;background:var(--bg2);border:1px solid var(--border);border-radius:12px;text-decoration:none;color:inherit;transition:all .2s;}
.contact-social-row:hover{transform:translateX(4px);border-color:rgba(255,255,255,0.15);}
.contact-social-icon{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.contact-social-label{font-size:.75rem;color:var(--muted);margin-bottom:.1rem;}
.contact-social-val{font-size:.9rem;color:#fff;font-weight:500;}

/* ── X / Twitter Feed Section ── */
.tweets-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin-top:2.5rem;}
@media(max-width:850px){.tweets-grid{grid-template-columns:1fr;}}
.tweet-card{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:1.5rem;text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:1rem;transition:all .3s ease;}
.tweet-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--glow-sm);}
.tweet-header{display:flex;align-items:center;gap:.8rem;position:relative;}
.tweet-avatar{width:42px;height:42px;border-radius:50%;border:1px solid var(--border);object-fit:cover;}
.tweet-author{font-weight:600;color:#fff;font-size:.92rem;display:flex;align-items:center;gap:.4rem;}
.tweet-badge{color:#1d9bf0;font-size:.8rem;}
.tweet-handle{color:var(--muted);font-size:.78rem;}
.tweet-tag{margin-left:auto;background:rgba(0,240,255,0.08);border:1px solid rgba(0,240,255,0.2);color:var(--accent);padding:.2rem .6rem;border-radius:20px;font-size:.7rem;font-family:'JetBrains Mono',monospace;}
.tweet-body{font-size:.9rem;color:#e2e8f0;line-height:1.6;}
.tweet-footer{display:flex;gap:1.5rem;color:var(--muted);font-size:.8rem;align-items:center;border-top:1px solid rgba(255,255,255,0.05);padding-top:.8rem;}
.tweet-footer i{margin-right:.4rem;}

/* ── GPU Telemetry Visualizer Section ── */
.telemetry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin-top:2.5rem;}
@media(max-width:850px){.telemetry-grid{grid-template-columns:1fr;}}
.telemetry-card{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:1.5rem;display:flex;flex-direction:column;gap:1rem;}
.telemetry-header{display:flex;justify-content:space-between;align-items:center;}
.telemetry-title{font-size:.9rem;font-weight:600;color:#fff;display:flex;align-items:center;gap:.5rem;}
.telemetry-val{font-size:1.1rem;font-family:'JetBrains Mono',monospace;font-weight:700;}
.sparkline{display:flex;align-items:flex-end;gap:3px;height:48px;padding-top:8px;}
.sparkline-bar{flex:1;border-radius:2px 2px 0 0;transition:height .4s ease, background .4s ease;}
.telemetry-progress{width:100%;height:8px;background:rgba(255,255,255,0.06);border-radius:99px;overflow:hidden;margin-top:12px;}
.telemetry-progress-fill{height:100%;border-radius:99px;transition:width .5s ease;}
.telemetry-sub{font-size:.75rem;color:var(--muted);font-family:'JetBrains Mono',monospace;}

/* ── GitHub Follow Button ── */
.btn-github-follow{display:inline-flex;align-items:center;gap:.6rem;background:#24292e;color:#fff;border:1px solid rgba(255,255,255,0.2);padding:.8rem 1.6rem;border-radius:12px;font-weight:600;font-size:.9rem;text-decoration:none;transition:all .25s ease;box-shadow:0 4px 15px rgba(0,0,0,0.3);}
.btn-github-follow:hover{background:#2f363d;border-color:var(--accent);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,240,255,0.2);}
.follow-count{background:rgba(255,255,255,0.15);padding:.15rem .5rem;border-radius:20px;font-size:.78rem;font-family:'JetBrains Mono',monospace;}

/* ── Interactive CLI Terminal Modal ── */
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.cli-modal{width:90%;max-width:760px;background:#050914;border:1px solid var(--accent);border-radius:14px;overflow:hidden;box-shadow:var(--glow-lg);animation:modalIn .3s ease;}
.cli-header{display:flex;align-items:center;padding:.8rem 1.2rem;background:rgba(0,240,255,0.06);border-bottom:1px solid var(--border);}
.cli-title{font-family:'JetBrains Mono',monospace;font-size:.8rem;color:var(--accent);margin-left:1rem;margin-right:auto;}
.cli-close{background:none;border:1px solid var(--border);color:var(--muted);padding:.2rem .6rem;border-radius:6px;font-size:.75rem;cursor:pointer;}
.cli-body{padding:1.2rem;height:380px;overflow-y:auto;font-family:'JetBrains Mono',monospace;font-size:.85rem;display:flex;flex-direction:column;gap:.6rem;line-height:1.6;}
.cli-line pre{white-space:pre-wrap;font-family:inherit;}
.cli-sys pre{color:var(--muted);}
.cli-cmd pre{color:var(--cyan);font-weight:600;}
.cli-res pre{color:#e2e8f0;}
.cli-err pre{color:var(--rose);}
.cli-input-line{display:flex;align-items:center;gap:.6rem;margin-top:.4rem;}
.cli-prompt{color:var(--emerald);font-weight:600;}
.cli-input{flex:1;background:none;border:none;outline:none;color:#fff;font-family:inherit;font-size:.85rem;}

/* ── Systems Benchmarks Section ── */
.benchmarks-container{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem;margin-top:2.5rem;}
@media(max-width:900px){.benchmarks-container{grid-template-columns:1fr;}}
.benchmark-card{background:var(--bg2);border:1px solid var(--border);border-radius:18px;padding:1.8rem;}
.benchmark-card-title{font-size:1rem;color:#fff;margin-bottom:.3rem;}
.benchmark-card-sub{font-size:.78rem;color:var(--muted);margin-bottom:1.5rem;font-family:'JetBrains Mono',monospace;}
.benchmark-bars{display:flex;flex-direction:column;gap:1.2rem;}
.benchmark-row{display:flex;flex-direction:column;gap:.4rem;}
.benchmark-row.highlight .benchmark-label span:first-child{color:var(--accent);font-weight:600;}
.benchmark-label{display:flex;justify-content:space-between;font-size:.82rem;color:#c9d1d9;}
.benchmark-val{font-family:'JetBrains Mono',monospace;font-weight:700;}
.benchmark-bar-bg{height:8px;background:rgba(255,255,255,0.06);border-radius:99px;overflow:hidden;}
.benchmark-bar-fill{height:100%;border-radius:99px;transition:width 0.8s ease;}

/* ── Article Creator Modal ── */
.article-creator-box{max-width:680px;width:90%;}
.article-form{display:flex;flex-direction:column;gap:1.2rem;margin-top:1.2rem;}
.form-group{display:flex;flex-direction:column;gap:.4rem;}
.form-row{display:flex;gap:1rem;}
.flex-1{flex:1;}
.form-label{font-size:.8rem;font-weight:600;color:#c9d1d9;font-family:'Space Grotesk',sans-serif;}
.form-input{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.12);color:#fff;font-size:.88rem;padding:.7rem 1rem;border-radius:10px;outline:none;font-family:inherit;transition:all .2s;}
.form-input:focus{border-color:var(--accent);box-shadow:0 0 10px rgba(0,240,255,0.15);}
.form-textarea{resize:vertical;min-height:90px;}
.preview-card{background:rgba(0,240,255,0.03);border-color:rgba(0,240,255,0.2);margin-top:.4rem;}
.form-actions{display:flex;justify-content:flex-end;gap:1rem;margin-top:.8rem;}

/* ── Interactive Hyper-parameter Controls & Fullscreen Lab ── */
.sandbox-controls-panel{background:rgba(0,240,255,0.03);border:1px solid var(--border);border-radius:12px;padding:1rem;margin-top:1rem;display:flex;flex-direction:column;gap:.8rem;}
.controls-panel-title{font-size:.8rem;font-weight:600;color:#fff;display:flex;align-items:center;gap:.5rem;}
.controls-row{display:flex;gap:1rem;flex-wrap:wrap;}
.ctrl-group{display:flex;flex-direction:column;gap:.3rem;flex:1;min-width:140px;}
.ctrl-group label{font-size:.72rem;color:var(--muted);font-family:'JetBrains Mono',monospace;}
.ctrl-group select, .ctrl-group input[type="range"]{background:var(--bg2);border:1px solid rgba(255,255,255,0.15);color:#fff;font-size:.78rem;padding:.3rem .5rem;border-radius:6px;outline:none;}
.sandbox-fullscreen-mode{position:fixed;inset:0;z-index:2000;background:var(--bg);padding:2rem;overflow-y:auto;}

/* ── 2D Neural Network Classifier Playground Modal ── */
.nn-playground-box{max-width:720px;width:90%;}
.nn-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:1.2rem;}
@media(max-width:700px){.nn-grid{grid-template-columns:1fr;}}
.nn-controls{display:flex;flex-direction:column;gap:1rem;}
.nn-stats-box{background:rgba(0,0,0,0.3);border:1px solid var(--border);border-radius:10px;padding:.8rem;font-size:.8rem;font-family:'JetBrains Mono',monospace;display:flex;flex-direction:column;gap:.3rem;}
.nn-canvas-container{display:flex;flex-direction:column;align-items:center;}

/* ── Art Notebook / Field Notes Aesthetics ── */
.hero-inner, .terminal, .benchmark-card, .article-card, .tweet-card{background-image:linear-gradient(rgba(0,240,255,0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(0,240,255,0.02) 1px, transparent 1px);background-size:24px 24px;}
.notebook-callout{font-family:'JetBrains Mono',monospace;font-size:.78rem;color:var(--accent);border-left:3px solid var(--accent);padding-left:.8rem;margin-top:.6rem;opacity:.9;}

/* ── Paper Reader Modal ── */
.paper-reader-box{max-width:840px;width:92%;background:#080d1a;border:1px solid var(--border);border-radius:18px;}
.paper-reader-header{padding:1.5rem;border-bottom:1px solid var(--border);position:relative;}
.paper-tag-badge{background:rgba(0,240,255,0.1);color:var(--accent);font-size:.72rem;padding:.2rem .6rem;border-radius:20px;display:inline-block;margin-bottom:.5rem;font-family:'JetBrains Mono',monospace;}
.paper-title{font-size:1.3rem;color:#fff;margin-bottom:.5rem;}
.paper-meta{display:flex;gap:1.2rem;font-size:.78rem;color:var(--muted);flex-wrap:wrap;}
.paper-reader-tabs{display:flex;gap:.5rem;background:rgba(0,0,0,0.3);padding:.5rem 1.5rem;border-bottom:1px solid var(--border);overflow-x:auto;}
.paper-tab{background:none;border:none;color:var(--muted);font-size:.82rem;padding:.5rem .8rem;border-radius:8px;cursor:pointer;white-space:nowrap;transition:all .2s;}
.paper-tab.active{background:var(--glass2);color:var(--accent);font-weight:600;}
.paper-reader-body{padding:1.8rem;max-height:420px;overflow-y:auto;line-height:1.7;}
.paper-section-content h4{font-size:1rem;color:#fff;margin-bottom:.8rem;}
.paper-paragraph{font-size:.9rem;color:#cbd5e1;margin-bottom:1rem;}
.paper-contributions-list{padding-left:1.2rem;font-size:.88rem;color:#94a3b8;display:flex;flex-direction:column;gap:.4rem;}
.paper-math-card{background:rgba(0,240,255,0.03);border:1px solid rgba(0,240,255,0.15);padding:1.2rem;border-radius:12px;margin-top:.8rem;}
.paper-latex-display{background:rgba(0,0,0,0.4);padding:1rem;border-radius:8px;margin:1rem 0;text-align:center;}
.paper-metrics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1rem;}
.paper-metric-card{background:var(--bg2);border:1px solid var(--border);padding:1rem;border-radius:12px;display:flex;flex-direction:column;align-items:center;text-align:center;}
.paper-metric-num{font-size:1.4rem;font-weight:700;font-family:'JetBrains Mono',monospace;}
.paper-metric-label{font-size:.75rem;color:var(--muted);margin-top:.2rem;}
.paper-bibtex-block{background:rgba(0,0,0,0.5);border:1px solid var(--border);padding:1rem;border-radius:10px;font-family:'JetBrains Mono',monospace;font-size:.8rem;color:#e2e8f0;white-space:pre-wrap;}
.paper-reader-footer{padding:1.2rem 1.8rem;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;}

/* ── Multi-Page Mode Router Bar ── */
.page-router-bar{position:fixed;top:92px;left:0;right:0;z-index:998;background:rgba(3,7,18,0.9);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);padding:.4rem 0;}
.page-router-inner{max-width:1400px;margin:0 auto;padding:0 1.5rem;display:flex;align-items:center;gap:1rem;overflow-x:auto;}
.page-router-label{font-size:.75rem;font-weight:600;color:#fff;white-space:nowrap;font-family:'Space Grotesk',sans-serif;}
.page-router-tabs{display:flex;gap:.4rem;align-items:center;}
.page-router-tab{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.1);color:var(--muted);font-size:.78rem;padding:.35rem .75rem;border-radius:8px;cursor:pointer;white-space:nowrap;transition:all .2s;display:inline-flex;align-items:center;gap:.4rem;}
.page-router-tab:hover{color:#fff;background:rgba(0,240,255,0.08);border-color:var(--accent);}
.page-router-tab.active{background:var(--glass2);border-color:var(--accent);color:var(--accent);font-weight:600;box-shadow:var(--glow-sm);}

/* ── Teaching & Talks Aesthetics ── */
.teaching-grid, .talks-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.5rem;margin-top:1.5rem;}
.teaching-card, .talk-card{background:var(--bg2);border:1px solid var(--border);padding:1.5rem;border-radius:14px;display:flex;flex-direction:column;gap:.8rem;transition:all .3s;}
.teaching-card:hover, .talk-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:var(--glow-sm);}
.teaching-header{display:flex;justify-content:space-between;align-items:center;}
.teaching-code{font-family:'JetBrains Mono',monospace;font-size:.78rem;color:var(--accent);background:rgba(0,240,255,0.1);padding:.2rem .6rem;border-radius:6px;}
.teaching-role{font-size:.78rem;color:var(--muted);}
.teaching-title, .talk-title{font-size:1.1rem;color:#fff;font-weight:600;}
.teaching-inst, .talk-event{font-size:.82rem;color:var(--muted);}
.teaching-desc, .talk-desc{font-size:.88rem;color:#cbd5e1;line-height:1.6;}
.teaching-topics{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.4rem;}
.teaching-tag{background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);color:#e2e8f0;font-size:.72rem;padding:.2rem .5rem;border-radius:4px;font-family:'JetBrains Mono',monospace;}
.talk-date-badge{font-family:'JetBrains Mono',monospace;font-size:.75rem;color:var(--cyan);background:rgba(0,240,255,0.08);padding:.2rem .6rem;border-radius:6px;width:max-content;}
.talk-links, .teaching-actions{margin-top:auto;display:flex;gap:.8rem;}

/* ── Cyberpunk Arcade Game Modal ── */
.arcade-modal-box{max-width:520px;width:92%;background:#080d1a;border:2px solid var(--accent);border-radius:18px;box-shadow:var(--glow-lg);}
.arcade-status-bar{display:flex;justify-content:space-between;padding:.6rem 1rem;background:rgba(0,0,0,0.4);border-bottom:1px solid var(--border);font-family:'JetBrains Mono',monospace;font-size:.82rem;}
.arcade-canvas-wrapper{position:relative;display:flex;justify-center:center;padding:1rem;}
.arcade-overlay-screen{position:absolute;inset:1rem;background:rgba(3,7,18,0.92);backdrop-filter:blur(8px);border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:1.5rem;}
.arcade-overlay-screen h2{font-size:1.6rem;color:var(--accent);margin-bottom:.5rem;font-family:'Space Grotesk',sans-serif;}
.arcade-overlay-screen p{font-size:.85rem;color:var(--muted);max-width:320px;line-height:1.5;}

/* ── Ultra-Smooth Micro-Interactions & Floating Contact Bar ── */
.btn-primary, .btn-secondary, .pub-btn, .social-btn, .ctrl-btn, .page-router-tab, .floating-contact-btn{transition:transform .25s cubic-bezier(0.16, 1, 0.3, 1), background-color .25s ease, border-color .25s ease, box-shadow .25s ease;}
.btn-primary:hover, .btn-secondary:hover, .pub-btn:hover, .social-btn:hover, .ctrl-btn:hover, .page-router-tab:hover, .floating-contact-btn:hover{transform:translateY(-2px) scale(1.02);box-shadow:var(--glow-sm);}
.btn-primary:active, .btn-secondary:active, .pub-btn:active, .social-btn:active, .ctrl-btn:active, .page-router-tab:active, .floating-contact-btn:active{transform:scale(0.97);}

.floating-contact-bar{position:fixed;bottom:34px;left:160px;z-index:997;}
.floating-contact-inner{display:flex;gap:.5rem;background:rgba(3,7,18,0.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border);padding:.4rem;border-radius:30px;box-shadow:var(--glow-md);}
.floating-contact-btn{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.1);color:#fff;font-size:.78rem;padding:.4rem .9rem;border-radius:20px;display:inline-flex;align-items:center;gap:.4rem;cursor:pointer;white-space:nowrap;font-family:'Space Grotesk',sans-serif;}
.floating-contact-btn.primary{background:var(--accent);color:#000;font-weight:600;border:none;}
@media(max-width:850px){.floating-contact-bar{display:none;}}

/* ── RPG Video Game HUD & Quest Log Aesthetics ── */
.game-hud-bar{position:fixed;top:36px;right:1.2rem;z-index:1001;}
@media(max-width:1200px){.game-hud-bar{display:none;}}
.hud-pill{background:rgba(3,7,18,0.85);backdrop-filter:blur(16px);border:1px solid var(--accent);padding:.4rem .8rem;border-radius:24px;display:flex;align-items:center;gap:.6rem;cursor:pointer;box-shadow:var(--glow-sm);transition:all .3s;}
.hud-pill:hover{transform:translateY(-2px);box-shadow:var(--glow-md);}
.hud-avatar{font-size:1.2rem;}
.hud-info{display:flex;flex-direction:column;gap:.2rem;}
.hud-title{font-size:.7rem;font-weight:700;color:#fff;font-family:'JetBrains Mono',monospace;}
.hud-xp-bar{width:80px;height:4px;background:rgba(255,255,255,0.1);border-radius:2px;overflow:hidden;}
.hud-xp-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .4s ease;}
.hud-quest-badge{font-size:.7rem;color:var(--cyan);font-family:'JetBrains Mono',monospace;background:rgba(0,240,255,0.1);padding:.2rem .5rem;border-radius:12px;white-space:nowrap;}
.quest-log-dropdown{position:absolute;top:45px;right:0;width:320px;background:#080d1a;border:1px solid var(--border);border-radius:14px;padding:1rem;box-shadow:var(--glow-lg);display:flex;flex-direction:column;gap:.8rem;}
.quest-log-header{font-size:.85rem;font-weight:600;color:#fff;display:flex;align-items:center;gap:.5rem;border-bottom:1px solid var(--border);padding-bottom:.5rem;}
.quest-list{display:flex;flex-direction:column;gap:.5rem;}
.quest-item{display:flex;align-items:center;gap:.6rem;font-size:.78rem;color:#cbd5e1;padding:.4rem .6rem;border-radius:8px;background:rgba(255,255,255,0.02);cursor:pointer;transition:all .2s;}
.quest-item.done{color:var(--muted);text-decoration:line-through;opacity:.7;}
.quest-item:hover{background:rgba(0,240,255,0.08);}
.quest-xp{margin-left:auto;font-family:'JetBrains Mono',monospace;font-size:.7rem;color:var(--emerald);}

/* ── Keyboard Shortcuts Cheat Sheet Modal ── */
.shortcuts-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1rem;}
@media(max-width:600px){.shortcuts-grid{grid-template-columns:1fr;}}
.shortcut-item{display:flex;align-items:center;gap:.8rem;background:var(--bg2);border:1px solid var(--border);padding:.6rem 1rem;border-radius:10px;}
.shortcut-key{font-family:'JetBrains Mono',monospace;font-size:.8rem;font-weight:700;color:var(--accent);background:rgba(0,240,255,0.1);padding:.2rem .6rem;border-radius:6px;border:1px solid rgba(0,240,255,0.2);min-width:48px;text-align:center;}
.shortcut-desc{font-size:.82rem;color:#cbd5e1;}

/* ── Interactive Educational Algorithm Game Modal ── */
.algo-game-progress{display:flex;justify-content:space-between;align-items:center;font-size:.82rem;margin-bottom:1rem;color:var(--muted);border-bottom:1px solid var(--border);padding-bottom:.5rem;}
.algo-game-card{display:flex;flex-direction:column;gap:.8rem;}
.algo-game-algo-badge{background:rgba(0,240,255,0.1);color:var(--accent);font-size:.75rem;padding:.2rem .6rem;border-radius:6px;width:max-content;font-family:'JetBrains Mono',monospace;}
.algo-game-title{font-size:1.1rem;color:#fff;}
.algo-game-task{font-size:.88rem;color:#cbd5e1;line-height:1.6;}
.algo-game-options{display:flex;flex-direction:column;gap:.6rem;margin-top:.5rem;}
.algo-opt-btn{background:var(--bg2);border:1px solid var(--border);color:#fff;font-size:.85rem;padding:.8rem 1rem;border-radius:10px;text-align:left;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:space-between;}
.algo-opt-btn:hover:not(:disabled){border-color:var(--accent);background:rgba(0,240,255,0.08);transform:translateX(4px);}
.algo-opt-btn.correct{background:rgba(16,185,129,0.15);border-color:var(--emerald);color:var(--emerald);font-weight:600;}
.algo-opt-btn.wrong{background:rgba(244,63,94,0.15);border-color:var(--rose);color:var(--rose);}
.algo-game-explanation{background:rgba(0,0,0,0.4);border:1px solid var(--border);padding:1rem;border-radius:10px;margin-top:1rem;font-size:.85rem;line-height:1.6;}

/* ── Telegram Bot Modal ── */
.telegram-bot-form{display:flex;flex-direction:column;gap:1rem;margin-top:1rem;}
.form-group{display:flex;flex-direction:column;gap:.4rem;}
.form-group label{font-size:.8rem;color:var(--muted);font-family:'JetBrains Mono',monospace;}
.form-input{background:var(--bg2);border:1px solid var(--border);color:#fff;padding:.7rem 1rem;border-radius:10px;font-size:.88rem;outline:none;transition:border-color .2s;}
.form-input:focus{border-color:var(--accent);}
.telegram-success-box{display:flex;flex-direction:column;align-items:center;text-align:center;padding:1.5rem 1rem;background:rgba(16,185,129,0.05);border:1px solid var(--emerald);border-radius:14px;margin-top:1rem;}