*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0a0a0f;--bg2:#111118;--bg3:#16161f;--surface:#1c1c28;--surface2:#22222f;
  --border:rgba(255,255,255,0.07);--border-hi:rgba(255,255,255,0.14);
  --accent:#f59e0b;--accent2:#fbbf24;--accent-dim:rgba(245,158,11,0.15);--accent-glow:rgba(245,158,11,0.06);
  --blue:#3b82f6;--blue-dim:rgba(59,130,246,0.15);
  --green:#10b981;--green-dim:rgba(16,185,129,0.15);
  --red:#ef4444;--red-dim:rgba(239,68,68,0.15);
  --purple:#a78bfa;--purple-dim:rgba(167,139,250,0.15);
  --text:#e8e8f0;--text-2:#9494a8;--text-3:#5c5c72;
  --font-display:'DM Serif Display',serif;--font-body:'Outfit',sans-serif;--font-mono:'DM Mono',monospace;
  --r:12px;--r-lg:18px;
}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.7;overflow-x:hidden}
::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--accent);border-radius:2px}
code{font-family:var(--font-mono);font-size:13px;background:var(--surface2);padding:2px 6px;border-radius:4px;color:var(--accent)}

/* PROGRESS */
#progress-bar{position:fixed;top:0;left:0;height:2px;width:0%;background:linear-gradient(90deg,var(--accent),var(--accent2));z-index:9999;transition:width .1s linear}

/* NAV */
#navbar{position:fixed;top:0;left:0;right:0;z-index:1000;display:flex;align-items:center;justify-content:space-between;padding:0 2rem;height:60px;background:rgba(10,10,15,0.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);transition:box-shadow .3s}
#navbar.scrolled{box-shadow:0 2px 32px rgba(0,0,0,.5)}
.nav-logo{font-family:var(--font-mono);font-size:18px;font-weight:500;letter-spacing:1px}
.nav-logo .dot{color:var(--accent)}
.nav-links{display:flex;gap:1.5rem;list-style:none}
.nav-links a{font-size:12px;font-weight:400;color:var(--text-2);text-decoration:none;letter-spacing:.5px;transition:color .2s}
.nav-links a:hover{color:var(--accent)}
.nav-predict-link{background:var(--accent-dim);color:var(--accent)!important;padding:4px 12px;border-radius:20px;border:1px solid rgba(245,158,11,.25);font-weight:600!important;transition:all .2s!important}
.nav-predict-link:hover{background:var(--accent)!important;color:#000!important;border-color:var(--accent)!important}
.drawer-predict-link{background:var(--accent-dim)!important;color:var(--accent)!important;border:1px solid rgba(245,158,11,.2);font-weight:600}
.nav-report-btn{font-family:var(--font-mono);font-size:11px;font-weight:500;color:var(--text);text-decoration:none;letter-spacing:.5px;padding:6px 14px;border-radius:20px;border:1px solid var(--border-hi);background:transparent;transition:all .2s;white-space:nowrap;margin-left:.5rem}
.nav-report-btn:hover{background:var(--text);color:var(--bg);border-color:var(--text)}
.drawer-report-link{border:1px solid var(--border-hi)!important;color:var(--text)!important;font-family:var(--font-mono)}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .3s}
.mobile-drawer{position:fixed;top:60px;right:0;width:200px;background:var(--bg2);border-left:1px solid var(--border);border-bottom:1px solid var(--border);display:flex;flex-direction:column;padding:1rem;gap:.5rem;transform:translateX(100%);transition:transform .3s ease;z-index:999}
.mobile-drawer.open{transform:translateX(0)}
.drawer-link{color:var(--text-2);text-decoration:none;font-size:14px;padding:.5rem .75rem;border-radius:8px;transition:all .2s}
.drawer-link:hover{background:var(--surface);color:var(--accent)}

/* SECTIONS */
.section{min-height:100vh;padding:100px 2rem 80px;display:flex;align-items:center;justify-content:center}
.alt-section{background:var(--bg2)}
.section-inner{max-width:1040px;width:100%}
.section-tag{font-family:var(--font-mono);font-size:12px;color:var(--accent);letter-spacing:2px;text-transform:uppercase;margin-bottom:1rem}
.danger-tag{color:var(--red)}
.accent-tag{color:var(--blue)}
.section-title{font-family:var(--font-display);font-size:clamp(2rem,5vw,3.2rem);font-weight:400;line-height:1.15;margin-bottom:1.2rem}
.section-title em{color:var(--accent);font-style:italic}
.section-desc{font-size:15px;color:var(--text-2);max-width:720px;margin-bottom:2.5rem;line-height:1.85}
.section-desc strong{color:var(--text)}

/* REVEAL */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-right{opacity:0;transform:translateX(40px);transition:opacity .8s ease .2s,transform .8s ease .2s}
.reveal-right.visible{opacity:1;transform:translateX(0)}

/* GRAPH BLOCKS */
.graph-block{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden}
.graph-header{padding:1.25rem 1.5rem 0;display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:.75rem}
.graph-title{font-size:15px;font-weight:600;color:var(--text)}
.graph-subtitle{font-size:12px;color:var(--text-3);margin-top:2px;font-family:var(--font-mono)}
.graph-wrap{padding:1.25rem 1.5rem;position:relative}
.graph-wrap canvas{width:100%!important}
.heatmap-container{overflow-x:auto}

/* GRAPH TABS */
.graph-tabs{display:flex;gap:.4rem;flex-wrap:wrap}
.gtab{font-family:var(--font-mono);font-size:11px;padding:4px 10px;border-radius:6px;border:1px solid var(--border);background:transparent;color:var(--text-3);cursor:pointer;transition:all .2s;letter-spacing:.5px}
.gtab:hover{border-color:var(--border-hi);color:var(--text-2)}
.gtab.active{background:var(--accent-dim);border-color:rgba(245,158,11,.3);color:var(--accent)}

/* GRAPH INFO STRIP */
.graph-info{display:flex;align-items:center;gap:0;border-top:1px solid var(--border);flex-wrap:wrap}
.gi-stat{padding:.75rem 1.25rem;border-right:1px solid var(--border);flex-shrink:0}
.gi-label{font-family:var(--font-mono);font-size:10px;color:var(--text-3);text-transform:uppercase;letter-spacing:.5px;display:block}
.gi-val{font-family:var(--font-mono);font-size:14px;color:var(--accent);font-weight:500}
.gi-insight{flex:1;padding:.75rem 1.25rem;font-size:13px;color:var(--text-2);line-height:1.6;min-width:200px}

/* INFO CARD */
.info-card{border-top:1px solid var(--border);padding:1.25rem 1.5rem}
.ic-title{font-size:13px;font-weight:600;color:var(--text);margin-bottom:.5rem;font-family:var(--font-mono)}
.info-card p{font-size:13px;color:var(--text-2);line-height:1.75}
.info-card p strong{color:var(--text)}

/* HERO */
.hero-section{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;padding-top:120px;position:relative;overflow:hidden}
.hero-bg-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(245,158,11,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(245,158,11,.03) 1px,transparent 1px);background-size:60px 60px;pointer-events:none}
.hero-title{font-family:var(--font-display);font-size:clamp(2.8rem,6vw,4.5rem);font-weight:400;line-height:1.05;margin-bottom:1.5rem}
.hero-title em{color:var(--accent);font-style:italic}
.hero-sub{font-size:15px;color:var(--text-2);max-width:500px;margin-bottom:1rem;line-height:1.8}
.hero-sub strong{color:var(--text);font-weight:500}
.hero-stats{display:flex;gap:.75rem;margin-top:2rem;flex-wrap:wrap}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:.875rem 1.1rem;flex:1;min-width:80px}
.stat-num{font-family:var(--font-mono);font-size:20px;font-weight:500;color:var(--accent)}
.stat-desc{font-size:11px;color:var(--text-3);margin-top:2px}

/* MACHINE CARD */
.machine-card{background:var(--surface);border:1px solid var(--border-hi);border-radius:var(--r-lg);overflow:hidden;box-shadow:0 0 60px rgba(245,158,11,.05)}
.machine-header{display:flex;align-items:center;gap:6px;padding:12px 16px;background:var(--surface2);border-bottom:1px solid var(--border)}
.machine-dot{width:10px;height:10px;border-radius:50%}
.machine-dot.green{background:var(--green)}.machine-dot.yellow{background:var(--accent)}.machine-dot.red{background:var(--red)}
.machine-label{font-family:var(--font-mono);font-size:11px;color:var(--text-3);margin-left:6px}
.machine-body{padding:1.25rem;display:flex;flex-direction:column;gap:14px}
.sensor-row{display:flex;align-items:center;gap:10px}
.sensor-name{font-size:12px;color:var(--text-3);width:110px;flex-shrink:0}
.sensor-val{font-family:var(--font-mono);font-size:12px;color:var(--text);width:75px;flex-shrink:0;transition:opacity .2s}
.sensor-bar{flex:1;height:4px;background:var(--bg);border-radius:2px;overflow:hidden}
.sensor-fill{height:100%;background:var(--blue);border-radius:2px;transition:width 1.2s ease}
.sensor-fill.warn{background:var(--accent)}.sensor-fill.danger{background:var(--red);animation:pulse-bar 1.5s infinite}
@keyframes pulse-bar{0%,100%{opacity:1}50%{opacity:.5}}
.machine-footer{display:flex;align-items:center;gap:8px;padding:12px 16px;background:var(--surface2);border-top:1px solid var(--border)}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--green)}.status-dot.pulse{animation:status-pulse 2s infinite}
@keyframes status-pulse{0%,100%{box-shadow:0 0 0 0 rgba(16,185,129,.4)}50%{box-shadow:0 0 0 5px rgba(16,185,129,0)}}
.status-text{font-family:var(--font-mono);font-size:11px;color:var(--text-3);flex:1}
.predict-badge{font-size:11px;background:var(--red-dim);color:var(--red);padding:3px 10px;border-radius:20px;border:1px solid rgba(239,68,68,.2);animation:badge-pulse 2s infinite}
@keyframes badge-pulse{0%,100%{opacity:1}50%{opacity:.6}}

/* FEATURE GRID */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:2rem}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:1.25rem;transition:border-color .2s,transform .2s}
.feature-card:hover{border-color:var(--border-hi);transform:translateY(-2px)}
.target-card{border-color:rgba(245,158,11,.3);background:var(--accent-glow)}
.feat-icon{font-size:22px;margin-bottom:.5rem}.feat-name{font-size:14px;font-weight:600;color:var(--text);margin-bottom:.4rem}
.feat-desc{font-size:13px;color:var(--text-2);line-height:1.6;margin-bottom:.75rem}
.feat-range{font-family:var(--font-mono);font-size:11px;color:var(--accent);background:var(--accent-dim);padding:3px 8px;border-radius:6px;display:inline-block}

/* BIAS */
.bias-section{background:var(--bg2)}
.bias-chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;align-items:start}
.bias-right{display:flex;flex-direction:column;gap:.75rem}
.count-card{border-radius:var(--r);padding:1.25rem;text-align:center}
.nf-card{background:var(--blue-dim);border:1px solid rgba(59,130,246,.2)}.f-card{background:var(--red-dim);border:1px solid rgba(239,68,68,.2)}
.count-num{font-family:var(--font-mono);font-size:26px;font-weight:500}
.nf-card .count-num{color:var(--blue)}.f-card .count-num{color:var(--red)}
.count-label{font-size:12px;color:var(--text-3);margin-top:2px}
.ratio-badge{background:var(--surface2);border:1px solid var(--border);border-radius:var(--r);padding:.75rem;text-align:center;font-family:var(--font-mono);font-size:14px;color:var(--accent)}
.danger-box{background:var(--red-dim);border:1px solid rgba(239,68,68,.2);border-left:3px solid var(--red);border-radius:var(--r);padding:1.25rem 1.5rem;margin-top:1.5rem}
.danger-title{font-size:15px;font-weight:600;color:var(--red);margin-bottom:.5rem}
.danger-box p{font-size:14px;color:var(--text-2);line-height:1.7}
.danger-box p strong,.danger-box p em{color:var(--text)}

/* SMOTE */
.smote-how{display:flex;align-items:center;gap:.5rem;margin-bottom:2rem;flex-wrap:wrap}
.smote-step{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:.75rem 1rem;flex:1;min-width:130px}
.smote-num{width:28px;height:28px;border-radius:50%;background:var(--accent-dim);border:1px solid rgba(245,158,11,.3);color:var(--accent);font-family:var(--font-mono);font-size:13px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.smote-text{font-size:13px;color:var(--text-2)}
.smote-arrow{color:var(--accent);font-size:18px;flex-shrink:0}
.smote-charts-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.balanced-charts-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.norm-charts-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}

/* READY BADGES */
.ready-badges{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:2rem}
.badge{background:var(--green-dim);color:var(--green);border:1px solid rgba(16,185,129,.2);padding:6px 14px;border-radius:20px;font-size:13px;font-weight:500}

/* MODEL CARDS */
.model-insight-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:2rem}
.model-insight-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:1.25rem;transition:border-color .2s}
.lr-card:hover{border-color:rgba(239,68,68,.3)}.knn-card:hover{border-color:rgba(59,130,246,.3)}
.dt-card:hover{border-color:rgba(245,158,11,.3)}.rf-card:hover{border-color:rgba(16,185,129,.3)}
.mi-badge{font-family:var(--font-mono);font-size:20px;font-weight:500;margin-bottom:.5rem}
.mi-badge.weak{color:var(--red)}.mi-badge.good{color:var(--blue)}.mi-badge.best{color:var(--green)}
.mi-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:.5rem}
.model-insight-card p{font-size:12px;color:var(--text-2);line-height:1.65}
.model-insight-card p strong{color:var(--text)}

/* HYBRID */
.hybrid-section{background:var(--bg)}
.hybrid-diagram{display:flex;flex-direction:column;align-items:center;gap:1rem;margin-bottom:2rem}
.hybrid-input{background:var(--surface2);border:1px solid var(--border-hi);border-radius:var(--r);padding:.75rem 2rem;font-family:var(--font-mono);font-size:13px;color:var(--text-2)}
.hybrid-split{display:flex;gap:2rem;align-items:stretch;width:100%;max-width:620px}
.hybrid-model{flex:1;border-radius:var(--r);padding:1.5rem;text-align:center;border:1px solid var(--border)}
.rf-model{background:var(--green-dim);border-color:rgba(16,185,129,.2)}.knn-model{background:var(--blue-dim);border-color:rgba(59,130,246,.2)}
.hm-icon{font-size:26px;margin-bottom:.4rem}.hm-name{font-size:15px;font-weight:600;color:var(--text);margin-bottom:.2rem}
.hm-detail{font-size:11px;color:var(--text-3);font-family:var(--font-mono);margin-bottom:.5rem}
.hm-acc{font-family:var(--font-mono);font-size:22px;color:var(--text);margin-bottom:.5rem}
.hm-vote{font-family:var(--font-mono);font-size:10px;background:var(--bg);color:var(--text-2);padding:4px 8px;border-radius:6px;display:inline-block}
.hybrid-combine{font-family:var(--font-mono);font-size:13px;color:var(--accent);background:var(--accent-dim);border:1px solid rgba(245,158,11,.2);border-radius:20px;padding:6px 20px}
.hybrid-result{display:flex;align-items:center;gap:1.25rem;background:var(--surface);border:2px solid rgba(245,158,11,.25);border-radius:var(--r);padding:1rem 2rem;flex-wrap:wrap;justify-content:center}
.hr-label{font-size:12px;color:var(--text-3)}
.hr-val{font-size:18px;font-weight:600;color:var(--accent)}
.hr-acc{font-family:var(--font-mono);font-size:14px;color:var(--green)}

/* RESULT */
.result-section{background:var(--bg2)}
.result-hero-card{background:linear-gradient(135deg,var(--surface),var(--surface2));border:1px solid rgba(245,158,11,.25);border-radius:var(--r-lg);padding:2.5rem;margin-bottom:2rem;text-align:center}
.rhc-model{font-family:var(--font-mono);font-size:14px;color:var(--accent);margin-bottom:1.5rem}
.result-metrics{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.rm-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--r);padding:1.25rem 1.5rem;min-width:120px}
.rm-num{font-family:var(--font-mono);font-size:30px;font-weight:500;color:var(--accent)}
.rm-label{font-size:12px;color:var(--text-3);margin-top:4px}
.pipeline-summary{display:flex;align-items:center;justify-content:center;gap:.5rem;flex-wrap:wrap;margin-bottom:2.5rem;text-align:center}
.ps-step{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:.75rem 1rem;font-size:13px;color:var(--text-2);line-height:1.5}
.ps-step small{display:block;font-size:11px;color:var(--text-3);font-family:var(--font-mono);margin-top:2px}
.ps-arr{color:var(--accent);font-size:20px;flex-shrink:0}
.impact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.impact-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:1.5rem;text-align:center}
.impact-icon{font-size:28px;margin-bottom:.75rem}
.impact-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:.5rem}
.impact-card p{font-size:13px;color:var(--text-2);line-height:1.65}

/* --- FOOTER --- */
.footer-section {
  background: #060608;
  padding: 3.5rem 2rem 2.5rem;
  position: relative;
  overflow: hidden;
}

.footer-divider {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

@media (max-width: 768px) {
  .footer-main { grid-template-columns: 1fr; gap: 2rem; }
}

.footer-col-brand .footer-brand-text {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: #555;
  max-width: 280px;
  line-height: 1.5;
}

.footer-heading {
  font-family: 'Outfit', sans-serif;
  color: #fff;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
  opacity: 0.7;
}

.guide-card {
  display: flex;
  flex-direction: column;
}

.guide-name {
  color: var(--accent);
  font-family: 'DM Serif Display', serif;
  font-size: 1.25rem;
}

.guide-title {
  color: #444;
  font-size: 0.75rem;
  font-family: 'Outfit', sans-serif;
}

.team-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem 1rem;
}

.team-list li {
  color: #888;
  font-size: 0.85rem;
  transition: color 0.3s ease;
  position: relative;
  padding-left: 0.8rem;
}

.team-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 800;
}

.team-list li:hover { color: #fff; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.footer-copy { font-size: 0.75rem; color: #444; }
.footer-tech { font-family: 'DM Mono', monospace; font-size: 0.75rem; color: #444; }

/* RESPONSIVE */
@media(max-width:960px){
  .nav-links{display:none}.hamburger{display:flex}
  .hero-section{grid-template-columns:1fr;padding-top:100px}
  .hero-visual{order:-1}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .bias-chart-grid{grid-template-columns:1fr}
  .smote-charts-grid,.balanced-charts-grid,.norm-charts-grid{grid-template-columns:1fr}
  .model-insight-row{grid-template-columns:repeat(2,1fr)}
  .impact-grid{grid-template-columns:1fr}
  .hybrid-split{flex-direction:column}
  .smote-how{flex-direction:column}.smote-arrow{transform:rotate(90deg);align-self:center}
  .result-metrics{flex-wrap:wrap}
  .pipeline-summary{flex-direction:column}
  .ps-arr{transform:rotate(90deg)}
}
@media(max-width:600px){
  .section{padding:80px 1.25rem 60px}
  .feature-grid{grid-template-columns:1fr}
  .model-insight-row{grid-template-columns:1fr}
  .graph-header{flex-direction:column}
  .graph-info{flex-direction:column}
  .gi-stat{border-right:none;border-bottom:1px solid var(--border)}
}
/* --- TESTING AREA --- */
.testing-section {
  position: relative;
  background: #0a0a0c;
  padding-bottom: 10rem;
  overflow: hidden;
}

.test-reveal-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 70% 30%, rgba(0, 240, 255, 0.03) 0%, transparent 60%);
  pointer-events: none;
}

.test-container {
  max-width: 1100px;
  margin: 4rem auto 0;
}

.test-layout {
  display: flex;
  gap: 4rem;
  align-items: flex-start;
}

@media (max-width: 900px) {
  .test-layout { flex-direction: column; gap: 2rem; }
  .test-left, .test-right { width: 100%; }
}

.test-left { flex: 1.2; }
.test-right { flex: 1; position: sticky; top: 100px; }

.test-form {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 2.5rem;
  border-radius: 20px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.form-group.full-width { grid-column: span 2; }

.form-group label {
  font-family: 'Outfit', sans-serif;
  font-size: 0.8rem;
  color: #666;
  margin-bottom: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.form-group input, .form-group select {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #fff;
  padding: 0.9rem 1.2rem;
  border-radius: 10px;
  font-family: 'DM Mono', monospace;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  width: 100%;
}

.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
}

.predict-btn {
  width: 100%;
  background: #fff;
  color: #000;
  border: none;
  padding: 1.1rem;
  border-radius: 10px;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.predict-btn:hover {
  background: var(--accent);
  color: #000;
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 240, 255, 0.3);
}

.predict-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Hybrid Result Card Refinements */
.hybrid-result-card {
  width: 100%;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  border: 1px solid rgba(255,255,255,0.05);
}

.hybrid-result-card.safe { border-color: rgba(34, 197, 94, 0.3); box-shadow: 0 0 40px rgba(34, 197, 94, 0.05); }
.hybrid-result-card.fail { border-color: rgba(239, 68, 68, 0.3); box-shadow: 0 0 40px rgba(239, 68, 68, 0.05); }

.result-body { flex: 1; display: flex; align-items: center; justify-content: center; text-align: center; }

.result-placeholder { color: #444; }
.pulse-icon { font-size: 3rem; margin-bottom: 1rem; opacity: 0.5; animation: pulseFade 2s infinite; }

@keyframes pulseFade { 0%, 100% { opacity: 0.3; } 50% { opacity: 0.6; } }

.result-content { width: 100%; padding: 0 2rem; }

.res-main { margin-bottom: 2rem; }
.res-val { display: block; font-family: 'DM Serif Display', serif; font-size: 3.5rem; line-height: 1; margin-bottom: 0.5rem; }
.res-label { font-family: 'Outfit', sans-serif; color: #666; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.1em; }

.res-val.text-safe { color: #22c55e; text-shadow: 0 0 30px rgba(34, 197, 94, 0.2); }
.res-val.text-fail { color: #ef4444; text-shadow: 0 0 30px rgba(239, 68, 68, 0.2); }

.res-details {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 2rem;
  display: flex;
  justify-content: space-around;
  gap: 1rem;
}

.rd-label { display: block; font-size: 0.7rem; color: #555; text-transform: uppercase; margin-bottom: 0.3rem; }
.rd-val { font-family: 'DM Mono', monospace; font-size: 0.85rem; color: #aaa; }

.hidden { display: none !important; }
.btn-loader { width: 18px; height: 18px; border: 2px solid rgba(0,0,0,0.2); border-top-color: #000; border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }


/* --- RANDOMIZE BUTTON STYLES --- */
.test-form-footer {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.random-btn {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  padding: 1.1rem;
  border-radius: 10px;
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.random-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.random-btn:active { transform: translateY(0); }

.random-btn .btn-icon { font-size: 1.1rem; filter: grayscale(1); transition: filter 0.3s ease; }
.random-btn:hover .btn-icon { filter: grayscale(0); }

/* --- DIAGNOSTIC LOADER ANIMATIONS --- */
.diagnostic-loader {
  width: 100%;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.scanning-line {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  box-shadow: 0 0 15px var(--accent);
  animation: scan 2s linear infinite;
  z-index: 5;
}

@keyframes scan {
  0% { top: 0; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

.loader-circles {
  display: flex;
  gap: 15px;
  margin-bottom: 2rem;
}

.circle {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  opacity: 0.3;
  animation: pulseCircle 1.5s infinite;
}

.circle:nth-child(2) { animation-delay: 0.2s; }
.circle:nth-child(3) { animation-delay: 0.4s; }

@keyframes pulseCircle {
  0%, 100% { transform: scale(1); opacity: 0.3; border-color: var(--accent); }
  50% { transform: scale(1.4); opacity: 1; border-color: var(--accent); box-shadow: 0 0 15px var(--accent); }
}

.diagnostic-logs {
  width: 100%;
  max-width: 280px;
  text-align: left;
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: #555;
}

.log-line {
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: fadeInLog 0.3s ease forwards;
}

.log-line::before {
  content: ">";
  color: var(--accent);
  font-weight: bold;
}

@keyframes fadeInLog {
  from { opacity: 0; transform: translateX(-5px); }
  to { opacity: 1; transform: translateX(0); }
}

.log-line.active { color: var(--accent); }
.log-line.hidden { display: none; }

/* --- SERVER WAKE-UP OVERLAY STYLES --- */
.server-loader {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s;
  visibility: visible;
}

.server-loader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-bg-blur {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: #060608;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.loader-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 3rem;
  width: 100%;
  max-width: 450px;
}

.loader-icon-wrap {
  position: relative;
  width: 100px;
  height: 100px;
  margin: 0 auto 2.5rem;
}

.loader-ring {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  border-radius: 50%;
  border: 3px solid rgba(0, 240, 255, 0.1);
  border-top-color: var(--accent);
  animation: spin 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.loader-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
}

.loader-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.8rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.5rem;
}

.loader-text-sequence {
  font-family: 'DM Mono', monospace;
  font-size: 0.9rem;
  color: #666;
  height: 1.5rem;
  margin-bottom: 2rem;
}

.loader-progress-bar {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.05);
  border-radius: 2px;
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.loader-progress-fill {
  height: 100%;
  width: 30%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: indeterminateProgress 4s ease-in-out infinite;
}

@keyframes indeterminateProgress {
  0% { transform: translateX(-100%) scaleX(0.5); }
  50% { transform: translateX(50%) scaleX(1.5); }
  100% { transform: translateX(200%) scaleX(0.5); }
}

.loader-note {
  font-size: 0.8rem;
  color: #444;
  line-height: 1.5;
}

/* CONFUSION MATRIX CELLS */
.cm-cell{
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:1.3rem;font-weight:600;
  border-radius:var(--r);min-height:80px;
  transition:all .35s ease;
}
.cm-tn{background:rgba(59,130,246,.15);border:1px solid rgba(59,130,246,.25);color:var(--blue)}
.cm-fp{background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.2);color:var(--accent)}
.cm-fn{background:rgba(239,68,68,.15);border:1px solid rgba(239,68,68,.25);color:var(--red)}
.cm-tp{background:rgba(16,185,129,.15);border:1px solid rgba(16,185,129,.25);color:var(--green)}

/* RESPONSIVE: eval row stacks on mobile */
@media(max-width:768px){
  .eval-charts-row{grid-template-columns:1fr!important}
}