/* CHRONOS GENESIS ∞ — Ultimate Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@300;400;500;600;700&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

:root {
  --bg1:#06080f; --bg2:#0c1020; --bg-card:rgba(12,18,40,0.65); --bg-card-h:rgba(20,28,60,0.75);
  --border:rgba(80,120,255,0.12); --border-h:rgba(80,180,255,0.3);
  --text1:#e8ecf8; --text2:#8892b0; --text3:#4a5580;
  --cyan:#00e8ff; --blue:#4080ff; --purple:#a855f7; --pink:#f050a0;
  --green:#00ff88; --yellow:#ffe040; --orange:#ff8c40; --red:#ff4060;
  --font-sans:'Inter',sans-serif; --font-mono:'JetBrains Mono',monospace; --font-display:'Orbitron',sans-serif;
  --r:12px; --r-sm:8px; --r-lg:20px;
  --tr:0.3s cubic-bezier(0.4,0,0.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--font-sans);background:var(--bg1);color:var(--text1);min-height:100vh;overflow-x:hidden;line-height:1.6}

/* BG */
.bg-nebula{position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(800px 600px at 20% 30%,rgba(0,232,255,0.04),transparent),radial-gradient(600px 800px at 80% 70%,rgba(168,85,247,0.04),transparent),radial-gradient(500px 500px at 50% 50%,rgba(255,0,255,0.02),transparent)}
.particles{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}

/* Header */
.header{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0.5rem 1.2rem;background:rgba(6,8,15,0.88);backdrop-filter:blur(20px) saturate(1.5);border-bottom:1px solid var(--border)}
.header-brand{display:flex;align-items:center;gap:0.8rem}
.logo{font-family:var(--font-display);font-size:1.2rem;font-weight:800;background:linear-gradient(135deg,var(--cyan),var(--purple),var(--pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:2px}
.logo-sub{font-size:0.5rem;color:var(--text3);font-weight:600;letter-spacing:3px}
.header-clock{font-family:var(--font-mono);font-size:1.1rem;font-weight:600;color:var(--cyan);text-shadow:0 0 20px rgba(0,232,255,0.3)}
.header-clock .ms{font-size:0.75rem;opacity:0.6}
.sync-ind{display:flex;align-items:center;gap:0.4rem;font-size:0.65rem;color:var(--text2)}
.sync-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green);animation:pulse 2s infinite}
.sync-dot.warning{background:var(--yellow);box-shadow:0 0 8px var(--yellow)}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.5;transform:scale(0.8)}}

/* Badge */
.badge{font-size:0.55rem;padding:0.15rem 0.5rem;border-radius:20px;font-weight:700;letter-spacing:1px}
.badge-cyan{background:rgba(0,232,255,0.15);color:var(--cyan);border:1px solid rgba(0,232,255,0.3)}
.badge-green{background:rgba(0,255,136,0.15);color:var(--green);border:1px solid rgba(0,255,136,0.3)}
.badge-blue{background:rgba(64,128,255,0.15);color:var(--blue);border:1px solid rgba(64,128,255,0.3)}
.badge-purple{background:rgba(168,85,247,0.15);color:var(--purple);border:1px solid rgba(168,85,247,0.3)}
.badge-yellow{background:rgba(255,224,64,0.15);color:var(--yellow);border:1px solid rgba(255,224,64,0.3)}
.badge-red{background:rgba(255,64,96,0.15);color:var(--red);border:1px solid rgba(255,64,96,0.3)}
.badge-dim{background:rgba(255,255,255,0.05);color:var(--text3);border:1px solid var(--border)}

/* Nav */
.nav{display:flex;gap:0.2rem;padding:0.4rem 0.8rem;background:rgba(6,8,15,0.7);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav-btn{display:flex;align-items:center;gap:0.3rem;padding:0.45rem 0.9rem;border:1px solid transparent;border-radius:var(--r-sm);background:transparent;color:var(--text2);font-size:0.72rem;font-weight:500;cursor:pointer;white-space:nowrap;transition:var(--tr);font-family:var(--font-sans)}
.nav-btn:hover{background:rgba(64,128,255,0.1);color:var(--text1);border-color:var(--border)}
.nav-btn.active{background:linear-gradient(135deg,rgba(0,232,255,0.12),rgba(168,85,247,0.12));border-color:rgba(0,232,255,0.3);color:var(--cyan);font-weight:600}

/* Main */
.main{position:relative;z-index:1;padding:1.2rem;max-width:1400px;margin:0 auto}
.module{display:none;animation:fadeIn 0.4s ease}
.module.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* Card */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);padding:1rem;backdrop-filter:blur(12px);transition:var(--tr);margin-bottom:0.8rem}
.card:hover{border-color:var(--border-h);box-shadow:0 0 30px rgba(0,232,255,0.08)}
.card-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:0.7rem;gap:0.5rem;flex-wrap:wrap}
.card-t{font-size:0.82rem;font-weight:600}

/* Module Header */
.mod-head{text-align:center;margin-bottom:1.2rem;padding:1rem;border-bottom:1px solid var(--border)}
.mod-title{font-size:1.3rem;font-weight:700}
.mod-title .grad{background:linear-gradient(135deg,var(--cyan),var(--purple),var(--pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.mod-sub{font-size:0.7rem;color:var(--text2);margin-top:0.2rem;letter-spacing:0.5px}

/* Stats */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0.5rem;margin:1rem 0}
.stat{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);padding:0.8rem;text-align:center;transition:var(--tr)}
.stat:hover{border-color:var(--border-h);transform:translateY(-2px)}
.stat-v{font-family:var(--font-mono);font-size:1.4rem;font-weight:700;margin-bottom:0.2rem}
.stat-v.cyan{color:var(--cyan)} .stat-v.green{color:var(--green)} .stat-v.purple{color:var(--purple)} .stat-v.yellow{color:var(--yellow)}
.stat-l{font-size:0.6rem;color:var(--text2);text-transform:uppercase;letter-spacing:0.5px}

/* Clock Hero */
.clock-hero{text-align:center;padding:1.5rem 0}
.clock-time{font-family:var(--font-display);font-size:4rem;font-weight:900;color:var(--text1);text-shadow:0 0 60px rgba(0,232,255,0.15);letter-spacing:4px}
.clock-ms{font-family:var(--font-mono);font-size:1.8rem;font-weight:400;color:var(--cyan);opacity:0.7}
.clock-date{font-size:0.9rem;color:var(--text2);margin-top:0.2rem}
.clock-sync{font-size:0.7rem;color:var(--text3);margin-top:0.3rem;font-family:var(--font-mono)}

/* Ring */
.ring-wrap{display:flex;justify-content:center;margin:1rem 0;position:relative}
.ring-svg{width:260px;height:260px;transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:rgba(255,255,255,0.05);stroke-width:8}
.ring-fg{fill:none;stroke:url(#rg);stroke-width:8;stroke-linecap:round;transition:stroke-dashoffset 0.5s ease}
.ring-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center}

/* Clock Duo Layout */
.clock-duo{display:grid;grid-template-columns:200px 1fr;gap:1.5rem;align-items:center;margin-bottom:1rem;padding:1rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r)}
.analog-wrap{display:flex;justify-content:center;align-items:center}
.analog-clock{width:180px;height:180px;filter:drop-shadow(0 0 20px rgba(0,232,255,0.2))}
.clock-unix{font-family:var(--font-mono);font-size:0.6rem;color:var(--text3);margin-top:0.3rem}
.dual-panel{display:grid;grid-template-columns:1fr 1fr;gap:0.8rem;margin-bottom:0.8rem}

/* ═══ JJY ═══ */
.jjy-hero{text-align:center;padding:1.5rem 1rem;background:linear-gradient(135deg,rgba(0,232,255,0.04),rgba(168,85,247,0.04));border-radius:var(--r-lg);border:1px solid var(--border);margin-bottom:1.2rem;position:relative;overflow:hidden}
.jjy-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,rgba(0,232,255,0.08),transparent 70%);animation:jpulse 4s ease-in-out infinite}
@keyframes jpulse{0%,100%{opacity:0.3}50%{opacity:1}}
.jjy-freq{font-family:var(--font-display);font-size:3rem;font-weight:900;background:linear-gradient(135deg,var(--cyan),var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;position:relative;z-index:1}
.freq-unit{font-size:1rem;-webkit-text-fill-color:var(--text2)}
.jjy-status{font-size:0.8rem;color:var(--text2);margin-top:0.4rem;position:relative;z-index:1;transition:var(--tr)}
.jjy-status.active{color:var(--green);text-shadow:0 0 10px rgba(0,255,136,0.3)}
.jjy-station{font-size:0.65rem;color:var(--text3);margin-top:0.2rem;position:relative;z-index:1}

.signal-meter{display:flex;align-items:flex-end;gap:3px;height:35px;justify-content:center;margin:0.8rem 0;position:relative;z-index:1}
.sbar{width:5px;border-radius:3px;background:rgba(255,255,255,0.1);transition:all 0.3s ease}
.sbar.on{background:var(--cyan);box-shadow:0 0 6px rgba(0,232,255,0.4)}
.sbar.on.mid{background:var(--green);box-shadow:0 0 6px rgba(0,255,136,0.4)}
.sbar.on.hi{background:var(--yellow);box-shadow:0 0 6px rgba(255,224,64,0.4)}

/* Buttons */
.btn-row{display:flex;flex-wrap:wrap;gap:0.5rem;justify-content:center;margin:0.5rem 0}
.freq-btn,.wave-btn{padding:0.5rem 1.2rem;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--bg-card);color:var(--text2);font-size:0.75rem;font-weight:600;cursor:pointer;transition:var(--tr);font-family:var(--font-sans)}
.freq-btn:hover,.wave-btn:hover{border-color:var(--border-h);background:rgba(64,128,255,0.1)}
.freq-btn.active,.wave-btn.active{background:linear-gradient(135deg,rgba(0,232,255,0.2),rgba(64,128,255,0.2));border-color:var(--cyan);color:var(--cyan)}

.tx-center{text-align:center;margin:1.2rem 0}
.tx-btn{padding:0.7rem 2rem;border:none;border-radius:var(--r);font-size:0.85rem;font-weight:700;cursor:pointer;transition:var(--tr);font-family:var(--font-sans);letter-spacing:1px}
.tx-btn.start{background:linear-gradient(135deg,var(--cyan),var(--blue));color:#000;box-shadow:0 4px 20px rgba(0,232,255,0.3)}
.tx-btn.start:hover{transform:translateY(-2px);box-shadow:0 6px 30px rgba(0,232,255,0.5)}
.tx-btn.stop{background:linear-gradient(135deg,var(--red),var(--pink));color:#fff;animation:txglow 1.5s ease-in-out infinite}
@keyframes txglow{0%,100%{box-shadow:0 0 15px rgba(255,64,96,0.3)}50%{box-shadow:0 0 30px rgba(255,64,96,0.6)}}

/* Slider */
.slider-row{text-align:center;margin:0.5rem 0}
.slider-label{font-size:0.65rem;color:var(--text2)}
.slider{width:200px;-webkit-appearance:none;appearance:none;height:6px;border-radius:3px;background:linear-gradient(90deg,rgba(0,232,255,0.4),rgba(168,85,247,0.4));outline:none;cursor:pointer;margin-top:0.3rem}
.slider::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px rgba(0,232,255,0.5);cursor:pointer;border:2px solid #fff}
.check-row{text-align:center;margin:0.3rem 0;font-size:0.65rem;color:var(--text2)}

/* AM */
.am-row{display:flex;align-items:center;gap:0.8rem;justify-content:center;margin:0.5rem 0}
.am-bar-wrap{width:200px;height:20px;background:rgba(255,255,255,0.05);border-radius:10px;overflow:hidden;border:1px solid var(--border)}
.am-bar{height:100%;background:linear-gradient(90deg,var(--cyan),var(--green));border-radius:10px;transition:width 0.1s linear}
.am-label{font-family:var(--font-mono);font-size:0.7rem;color:var(--text2)}

/* JJY Bits */
.jjy-bits{display:flex;flex-wrap:wrap;gap:3px;justify-content:center;padding:0.4rem}
.jbit{width:26px;height:26px;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:0.5rem;font-family:var(--font-mono);font-weight:600;color:var(--text3);background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.05);transition:all 0.2s}
.jbit.b0{background:rgba(0,232,255,0.15);color:var(--cyan);border-color:rgba(0,232,255,0.3)}
.jbit.b1{background:rgba(0,255,136,0.2);color:var(--green);border-color:rgba(0,255,136,0.4)}
.jbit.marker{background:rgba(255,224,64,0.25);color:var(--yellow);border-color:rgba(255,224,64,0.5)}
.jbit.now{box-shadow:0 0 12px rgba(0,232,255,0.6);transform:scale(1.15)}

/* Decode Grid */
.decode-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:0.4rem}
.dec-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-sm);padding:0.5rem;text-align:center}
.dec-label{font-size:0.55rem;color:var(--text3);text-transform:uppercase;letter-spacing:1px}
.dec-val{font-family:var(--font-mono);font-size:1rem;font-weight:700;color:var(--cyan);margin-top:0.1rem}

/* Canvas */
.canvas-wrap{border-radius:var(--r);overflow:hidden;border:1px solid var(--border)}
.canvas-wrap canvas{width:100%;display:block}

/* Mode Button */
.mode-row{text-align:center;margin-bottom:0.6rem}
.mode-btn{padding:0.5rem 1.2rem;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--bg-card);color:var(--text2);font-size:0.72rem;font-weight:600;cursor:pointer;transition:var(--tr);font-family:var(--font-sans)}
.mode-btn:hover{border-color:var(--border-h)}
.mode-btn.auto{border-color:rgba(0,255,136,0.3);color:var(--green);background:rgba(0,255,136,0.06)}
.mode-btn.manual{border-color:rgba(255,128,64,0.3);color:var(--orange);background:rgba(255,128,64,0.06)}
.lv-slider{width:100%;background:linear-gradient(90deg,rgba(255,0,255,0.4) 0%,rgba(0,232,255,0.4) 30%,rgba(0,255,136,0.4) 50%,rgba(168,85,247,0.4) 70%,rgba(255,224,64,0.4) 100%)}
.slider-labels{display:flex;justify-content:space-between;margin-top:0.4rem;font-size:0.55rem;color:var(--text3)}

/* ═══ PRECISION ═══ */
.p-hero{text-align:center;padding:2rem 1rem;margin-bottom:1.2rem;background:linear-gradient(135deg,rgba(255,0,255,0.03),rgba(0,232,255,0.03));border-radius:var(--r-lg);border:1px solid var(--border);position:relative;overflow:hidden}
.p-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,rgba(255,0,255,0.06),transparent 70%);animation:ppulse 6s ease-in-out infinite}
@keyframes ppulse{0%,100%{opacity:0.2;transform:scale(1)}50%{opacity:0.6;transform:scale(1.05)}}
.p-icon{font-size:3rem;position:relative;z-index:1}
.p-lv{font-family:var(--font-display);font-size:4rem;font-weight:900;background:linear-gradient(135deg,#ff00ff,var(--cyan),var(--green));-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1;position:relative;z-index:1}
.p-tier{font-size:0.75rem;font-weight:800;letter-spacing:3px;margin-top:0.3rem;position:relative;z-index:1}
.p-val{font-family:var(--font-mono);font-size:2rem;font-weight:700;color:var(--cyan);margin-top:0.4rem;position:relative;z-index:1}
.p-name{font-size:1rem;font-weight:600;color:var(--text1);margin-top:0.2rem;position:relative;z-index:1}
.p-desc{font-size:0.75rem;color:var(--text2);position:relative;z-index:1}

/* Level Cards */
.levels-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:0.5rem}
.lv-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);padding:0.7rem;text-align:center;transition:var(--tr);cursor:pointer;position:relative;overflow:hidden}
.lv-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--tier-color);opacity:0;transition:opacity 0.3s}
.lv-card:hover{border-color:var(--border-h);transform:translateY(-2px)}
.lv-card:hover::before{opacity:1}
.lv-card.active{border-color:var(--cyan);background:rgba(0,232,255,0.06);box-shadow:0 0 20px rgba(0,232,255,0.15)}
.lv-card.active::before{opacity:1}
.lv-icon{font-size:1.3rem}
.lv-num{font-family:var(--font-display);font-size:0.85rem;font-weight:800;background:linear-gradient(135deg,var(--tier-color,var(--cyan)),var(--text1));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin:0.2rem 0}
.lv-val{font-family:var(--font-mono);font-size:0.8rem;font-weight:600;color:var(--cyan)}
.lv-name{font-size:0.65rem;font-weight:600;color:var(--text1);margin-top:0.1rem}
.lv-desc{font-size:0.55rem;color:var(--text3)}
.lv-tier{font-size:0.5rem;font-weight:800;letter-spacing:1px;margin-top:0.2rem}

/* ═══ API ═══ */
.api-list{display:flex;flex-direction:column;gap:0.3rem}
.api-row{display:flex;align-items:center;gap:0.7rem;padding:0.6rem 0.8rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-sm);cursor:pointer;transition:var(--tr)}
.api-row:hover{border-color:var(--border-h);background:var(--bg-card-h)}
.api-method{font-family:var(--font-mono);font-size:0.6rem;font-weight:800;padding:0.1rem 0.4rem;border-radius:4px;letter-spacing:1px}
.api-method.get{background:rgba(0,255,136,0.2);color:var(--green)}
.api-method.post{background:rgba(64,128,255,0.2);color:var(--blue)}
.api-path{font-family:var(--font-mono);font-size:0.75rem;color:var(--cyan);font-weight:500}
.api-desc{font-size:0.65rem;color:var(--text2);margin-left:auto}
.api-tester{display:flex;gap:0.4rem;margin-bottom:0.8rem}
.api-tester select{flex:1;padding:0.5rem 0.8rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-sm);color:var(--text1);font-family:var(--font-mono);font-size:0.75rem}
.exec-btn{padding:0.5rem 1.2rem;border:none;border-radius:var(--r-sm);background:linear-gradient(135deg,var(--green),var(--cyan));color:#000;font-weight:700;font-size:0.75rem;cursor:pointer;transition:var(--tr);font-family:var(--font-sans)}
.exec-btn:hover{transform:translateY(-2px);box-shadow:0 4px 15px rgba(0,255,136,0.3)}
.api-resp{background:rgba(0,0,0,0.4);border:1px solid var(--border);border-radius:var(--r);padding:0.8rem;font-family:var(--font-mono);font-size:0.7rem;color:var(--green);white-space:pre-wrap;max-height:350px;overflow-y:auto;line-height:1.6}

/* Tips */
.tips{background:rgba(255,224,64,0.04);border:1px solid rgba(255,224,64,0.15);border-radius:var(--r);padding:0.8rem;font-size:0.7rem;color:var(--text2);line-height:1.8}
.tips strong{color:var(--yellow)}
.tips-title{font-weight:700;color:var(--yellow);margin-bottom:0.4rem;font-size:0.75rem}

/* Scrollbar */
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.1);border-radius:3px}

/* Responsive */
@media(max-width:900px){
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .levels-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}
  .clock-time{font-size:3rem}
  .p-lv{font-size:3rem}
}
@media(max-width:600px){
  .main{padding:0.6rem}
  .stats-row{grid-template-columns:1fr 1fr}
  .clock-time{font-size:2rem}
  .p-lv{font-size:2.5rem}
  .header{padding:0.3rem 0.6rem}
  .levels-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}
}