:root{--bg:#060e1c;--surface:#0b1929;--surface2:#101f35;--border:#1b3052;--cyan:#00c8ff;--cyan-dim:rgba(0,200,255,0.07);--cyan-mid:rgba(0,200,255,0.25);--white:#eef4ff;--muted:#6d8aaa;--success:#00e5a0;--warn:#ffc444;--danger:#ff4e6a;--orange:#ff8c42;--purple:#7c6fff;--ff-d:'Space Grotesk',sans-serif;--ff-b:'Inter',sans-serif;--ff-m:'JetBrains Mono',monospace;--r:10px;--r-lg:18px;--r-xl:26px;--t:all 0.3s cubic-bezier(0.4,0,0.2,1)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--white);font-family:var(--ff-b);font-size:15px;line-height:1.6;min-height:100vh}
a{color:inherit;text-decoration:none}

.topbar{display:flex;align-items:center;justify-content:space-between;padding:0 32px;height:60px;background:rgba(6,14,28,0.92);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.tb-logo{font-family:var(--ff-d);font-weight:800;font-size:1.2rem}
.tb-logo .x{color:var(--cyan)}
.tb-logo .ai{background:linear-gradient(135deg,var(--cyan),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.tb-center{display:flex;align-items:center;gap:10px}
.tb-badge{font-family:var(--ff-m);font-size:0.62rem;background:var(--cyan-dim);border:1px solid var(--cyan-mid);color:var(--cyan);padding:4px 12px;border-radius:100px;letter-spacing:0.08em;text-transform:uppercase}
.tb-offline{font-family:var(--ff-m);font-size:0.62rem;background:rgba(0,229,160,0.08);border:1px solid rgba(0,229,160,0.25);color:var(--success);padding:4px 12px;border-radius:100px}
.tb-back{font-size:0.82rem;color:var(--muted);display:flex;align-items:center;gap:6px;transition:color 0.2s}
.tb-back:hover{color:var(--white)}

.demo-hero{padding:44px 32px 28px;max-width:1140px;margin:0 auto;text-align:center}
.demo-hero h1{font-family:var(--ff-d);font-size:clamp(1.7rem,3.5vw,2.6rem);font-weight:800;margin-bottom:10px;line-height:1.15}
.grad{background:linear-gradient(135deg,var(--cyan),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.demo-hero p{color:var(--muted);max-width:580px;margin:0 auto 20px;font-size:0.93rem;line-height:1.75}
.demo-instruction{display:inline-flex;align-items:center;gap:8px;font-family:var(--ff-m);font-size:0.7rem;color:var(--cyan);background:var(--cyan-dim);border:1px solid var(--cyan-mid);padding:7px 18px;border-radius:100px;letter-spacing:0.05em}

.scenario-section{max-width:1140px;margin:0 auto;padding:0 32px 24px}
.scenario-label{font-family:var(--ff-m);font-size:0.65rem;text-transform:uppercase;letter-spacing:0.14em;color:var(--muted);margin-bottom:14px;text-align:center}
.scenario-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}

.sc-card{background:var(--surface);border:2px solid var(--border);border-radius:var(--r-xl);padding:24px;cursor:pointer;transition:var(--t);position:relative;overflow:hidden;user-select:none}
.sc-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;transition:var(--t)}
.sc-card[data-risk="moderate"]::before{background:linear-gradient(90deg,transparent,var(--warn),transparent)}
.sc-card[data-risk="high"]::before{background:linear-gradient(90deg,transparent,var(--orange),transparent)}
.sc-card[data-risk="critical"]::before{background:linear-gradient(90deg,transparent,var(--danger),transparent)}
.sc-card:hover{border-color:rgba(0,200,255,0.3);transform:translateY(-3px);box-shadow:0 12px 40px rgba(0,0,0,0.4)}
.sc-card.active{transform:translateY(-3px);box-shadow:0 16px 50px rgba(0,0,0,0.5)}
.sc-card[data-risk="moderate"].active{border-color:rgba(255,196,68,0.5);background:rgba(255,196,68,0.04)}
.sc-card[data-risk="high"].active{border-color:rgba(255,140,66,0.5);background:rgba(255,140,66,0.04)}
.sc-card[data-risk="critical"].active{border-color:rgba(255,78,106,0.5);background:rgba(255,78,106,0.04)}

.sc-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:14px;gap:10px}
.sc-name{font-family:var(--ff-d);font-size:1rem;font-weight:700;color:var(--white);margin-bottom:3px}
.sc-meta{font-size:0.75rem;color:var(--muted);font-family:var(--ff-m)}
.sc-risk-badge{font-family:var(--ff-m);font-size:0.6rem;font-weight:700;padding:4px 10px;border-radius:100px;letter-spacing:0.08em;text-transform:uppercase;flex-shrink:0}
.badge-moderate{background:rgba(255,196,68,0.15);color:var(--warn);border:1px solid rgba(255,196,68,0.3)}
.badge-high{background:rgba(255,140,66,0.15);color:var(--orange);border:1px solid rgba(255,140,66,0.3)}
.badge-critical{background:rgba(255,78,106,0.15);color:var(--danger);border:1px solid rgba(255,78,106,0.3)}

.sc-vitals{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:14px}
.sc-vital{background:var(--surface2);border:1px solid var(--border);border-radius:var(--r);padding:8px 10px;text-align:center}
.sv-val{font-family:var(--ff-m);font-size:0.88rem;font-weight:700;color:var(--white);display:block}
.sv-label{font-size:0.6rem;color:var(--muted);text-transform:uppercase;letter-spacing:0.05em;margin-top:2px;display:block}
.sv-val.abnormal{color:var(--danger)}
.sv-val.borderline{color:var(--warn)}

.sc-tags{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:16px}
.sc-tag{font-size:0.72rem;background:var(--surface2);border:1px solid var(--border);color:var(--muted);padding:3px 9px;border-radius:100px}
.sc-select-btn{width:100%;background:var(--surface2);border:1px solid var(--border);color:var(--muted);font-family:var(--ff-d);font-weight:600;font-size:0.82rem;padding:10px;border-radius:var(--r);cursor:pointer;transition:var(--t)}
.sc-card.active .sc-select-btn{background:var(--cyan);color:#050d1a;border-color:var(--cyan)}
.sc-card:hover:not(.active) .sc-select-btn{border-color:var(--cyan-mid);color:var(--white)}

.run-wrap{max-width:1140px;margin:0 auto;padding:0 32px 32px;text-align:center}
.run-btn{background:var(--cyan);color:#050d1a;font-family:var(--ff-d);font-weight:800;font-size:1rem;padding:16px 48px;border:none;border-radius:var(--r-lg);cursor:pointer;transition:var(--t);display:inline-flex;align-items:center;gap:12px}
.run-btn:hover{background:#33d4ff;transform:translateY(-2px);box-shadow:0 10px 36px rgba(0,200,255,0.4)}
.run-btn:disabled{opacity:0.35;cursor:not-allowed;transform:none;box-shadow:none}
.run-hint{font-size:0.78rem;color:var(--muted);margin-top:10px;font-family:var(--ff-m)}

.results-section{max-width:1140px;margin:0 auto;padding:0 32px 80px;display:none}
.results-section.visible{display:block;animation:fadeUp 0.5s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

.results-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.rh-left h2{font-family:var(--ff-d);font-size:1.2rem;font-weight:700}
.rh-sub{font-size:0.78rem;color:var(--muted);margin-top:3px;font-family:var(--ff-m)}
.rh-timestamp{font-family:var(--ff-m);font-size:0.68rem;color:var(--muted);background:var(--surface2);border:1px solid var(--border);padding:6px 14px;border-radius:100px}

.results-grid{display:grid;grid-template-columns:280px 1fr;gap:24px;align-items:start}
.left-col{display:flex;flex-direction:column;gap:16px}

.gauge-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);padding:28px;text-align:center}
.gauge-title{font-family:var(--ff-m);font-size:0.62rem;text-transform:uppercase;letter-spacing:0.12em;color:var(--muted);margin-bottom:20px}
.gauge-wrap{position:relative;width:200px;height:108px;margin:0 auto 12px}
.gauge-svg{width:100%;height:100%;overflow:visible}
.g-track{fill:none;stroke:var(--border);stroke-width:16;stroke-linecap:round}
.g-fill{fill:none;stroke-width:16;stroke-linecap:round;stroke-dasharray:257;stroke-dashoffset:257;transition:stroke-dashoffset 1.4s cubic-bezier(0.4,0,0.2,1),stroke 0.5s ease}
.gauge-score{position:absolute;bottom:0;left:50%;transform:translateX(-50%);font-family:var(--ff-d);font-size:2.8rem;font-weight:800;line-height:1}
.gauge-subtext{font-family:var(--ff-m);font-size:0.65rem;color:var(--muted);margin-bottom:8px}
.risk-pill{display:inline-flex;align-items:center;gap:7px;font-family:var(--ff-d);font-weight:700;font-size:0.88rem;padding:7px 20px;border-radius:100px;margin-top:6px}
.rp-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}

.sub-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);padding:20px 22px}
.sub-title{font-family:var(--ff-m);font-size:0.62rem;text-transform:uppercase;letter-spacing:0.12em;color:var(--muted);margin-bottom:16px}
.sub-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.sub-item{background:var(--surface2);border:1px solid var(--border);border-radius:var(--r-lg);padding:14px}
.si-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.si-name{font-size:0.75rem;color:var(--muted)}
.si-val{font-family:var(--ff-m);font-size:1rem;font-weight:700}
.si-bar{height:4px;background:var(--border);border-radius:100px;overflow:hidden}
.si-fill{height:100%;border-radius:100px;width:0%;transition:width 1.2s cubic-bezier(0.4,0,0.2,1)}

.right-col{display:flex;flex-direction:column;gap:18px}

.flags-panel,.rec-panel,.narrative-panel,.timeline-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);padding:20px 24px}
.panel-title{font-family:var(--ff-m);font-size:0.62rem;text-transform:uppercase;letter-spacing:0.12em;color:var(--muted);margin-bottom:14px}

.flags-grid{display:flex;flex-direction:column;gap:8px}
.flag-item{display:flex;align-items:flex-start;gap:12px;padding:10px 14px;border-radius:var(--r);border:1px solid var(--border);background:var(--surface2)}
.flag-indicator{width:9px;height:9px;border-radius:50%;flex-shrink:0;margin-top:4px}
.flag-red{background:var(--danger);box-shadow:0 0 8px rgba(255,78,106,0.6)}
.flag-amber{background:var(--warn);box-shadow:0 0 8px rgba(255,196,68,0.5)}
.flag-green{background:var(--success);box-shadow:0 0 8px rgba(0,229,160,0.5)}
.flag-text{font-size:0.81rem;color:var(--muted);line-height:1.5}
.flag-text strong{color:var(--white)}

.timeline{display:flex;gap:0;position:relative;margin-top:8px;padding:0 10px}
.timeline::before{content:'';position:absolute;top:7px;left:30px;right:30px;height:2px;background:var(--border);z-index:0}
.tl-node{display:flex;flex-direction:column;align-items:center;flex:1;position:relative;z-index:1;gap:8px}
.tl-dot{width:14px;height:14px;border-radius:50%;border:2px solid var(--border);background:var(--surface);flex-shrink:0}
.tl-dot.active{border-color:var(--cyan);background:var(--cyan);box-shadow:0 0 12px rgba(0,200,255,0.5)}
.tl-dot.warn{border-color:var(--warn);background:var(--warn);box-shadow:0 0 10px rgba(255,196,68,0.5)}
.tl-dot.danger{border-color:var(--danger);background:var(--danger);box-shadow:0 0 12px rgba(255,78,106,0.6)}
.tl-time{font-family:var(--ff-m);font-size:0.64rem;color:var(--muted);text-align:center;font-weight:500}
.tl-event{font-size:0.68rem;color:var(--muted);text-align:center;line-height:1.4;max-width:88px}

.rec-item{display:flex;gap:14px;padding:13px 0;border-bottom:1px solid var(--border)}
.rec-item:last-child{border-bottom:none;padding-bottom:0}
.rec-icon{font-size:1.3rem;flex-shrink:0;margin-top:1px}
.rec-title{font-family:var(--ff-d);font-size:0.88rem;font-weight:700;color:var(--white);margin-bottom:4px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.rec-pri{font-size:0.6rem;font-family:var(--ff-m);padding:2px 8px;border-radius:100px;letter-spacing:0.06em;font-weight:700}
.pri-high{background:rgba(255,78,106,0.15);color:var(--danger);border:1px solid rgba(255,78,106,0.3)}
.pri-medium{background:rgba(255,196,68,0.12);color:var(--warn);border:1px solid rgba(255,196,68,0.25)}
.pri-low{background:rgba(0,229,160,0.1);color:var(--success);border:1px solid rgba(0,229,160,0.22)}
.rec-detail{font-size:0.82rem;color:var(--muted);line-height:1.65}

.narrative-header{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.ai-pulse{width:8px;height:8px;background:var(--cyan);border-radius:50%;animation:aiPulse 2s infinite;flex-shrink:0}
@keyframes aiPulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(0,200,255,0.4)}70%{opacity:0.7;box-shadow:0 0 0 8px rgba(0,200,255,0)}}
.narrative-text{font-size:0.87rem;color:var(--muted);line-height:1.85;font-style:italic;border-left:2px solid rgba(0,200,255,0.25);padding-left:16px}
.narrative-text span{color:var(--white);font-style:normal;font-weight:500}

.demo-disclaimer{background:rgba(108,111,255,0.05);border:1px solid rgba(108,111,255,0.18);border-radius:var(--r-lg);padding:14px 20px;margin-top:4px}
.demo-disclaimer p{font-size:0.74rem;color:var(--muted);line-height:1.6}
.demo-disclaimer strong{color:var(--white)}

@media(max-width:960px){.scenario-cards{grid-template-columns:1fr}.results-grid{grid-template-columns:1fr}.topbar{padding:0 18px}.demo-hero,.scenario-section,.run-wrap,.results-section{padding-left:18px;padding-right:18px}}
@media(max-width:600px){.sub-row{grid-template-columns:1fr 1fr}.results-header{flex-direction:column;align-items:flex-start;gap:10px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}