.signin-modal-backdrop{position:fixed;inset:0;z-index:10000;background:#0a0a0cd9;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:fadeIn .2s ease-out}.signin-modal-close{position:absolute;top:16px;right:16px;background:none;border:none;color:var(--text-secondary);font-size:18px;cursor:pointer;line-height:1;padding:4px 8px;border-radius:6px;transition:color .2s,background .2s}.signin-modal-close:hover{color:var(--text-primary);background:#ffffff0f}.auth-gate-card{background:var(--surface-2);border:1px solid rgba(255,255,255,.08);border-radius:24px;padding:48px 40px;max-width:440px;width:90%;text-align:center;box-shadow:0 32px 80px #0009}.auth-gate-logo{height:48px;margin-bottom:20px}.auth-gate-title{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin-bottom:12px}.auth-gate-desc{font-size:.95rem;color:var(--text-secondary);line-height:1.6;margin-bottom:28px}.btn-google{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:14px 20px;background:#fff;color:#1f1f1f;font-size:15px;font-weight:600;border:none;border-radius:12px;cursor:pointer;transition:box-shadow .2s,transform .2s}.btn-google:hover{box-shadow:0 4px 20px #ffffff26;transform:translateY(-1px)}.btn-google:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-google--nav{display:flex;align-items:center;gap:8px;padding:8px 14px;font-size:13px;font-weight:600;background:#ffffff14;color:var(--text-primary);border:1px solid rgba(255,255,255,.12);border-radius:8px;cursor:pointer;transition:background .2s,border-color .2s;white-space:nowrap}.btn-google--nav:hover{background:#ffffff24;border-color:#fff3}.auth-gate-fine{margin-top:16px;font-size:12px;color:var(--text-tertiary, #5a5f6a)}.nav-user{display:flex;align-items:center;gap:10px}.nav-user-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;border:2px solid rgba(46,230,255,.4)}.nav-user-name{font-size:13px;font-weight:600;color:var(--text-secondary);max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dashboard-header{margin-bottom:24px}.dash-profile-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.dash-metric-pill{background:var(--surface-3, rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.07);border-radius:20px;padding:6px 14px;font-size:13px;color:var(--text-secondary)}.dash-metric-pill strong{color:var(--neon-cyan)}.challenge-hero{min-height:50vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:var(--space-32) var(--space-6) var(--space-16);background:linear-gradient(180deg,var(--deep-graphite) 0%,var(--surface-1) 100%);position:relative;overflow:hidden}.challenge-hero:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 50% 80%,rgba(28,125,255,.08) 0%,transparent 50%);pointer-events:none}.challenge-hero-content{position:relative;z-index:2;max-width:700px}.challenge-steps{display:flex;justify-content:center;gap:var(--space-8);margin-top:var(--space-10)}.challenge-step{display:flex;flex-direction:column;align-items:center;gap:var(--space-3)}.challenge-step-number{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:var(--text-lg);background:#1c7dff1a;border:1px solid rgba(28,125,255,.3);color:var(--neon-bio-blue)}.challenge-step-text{font-size:var(--text-sm);color:var(--text-secondary);font-weight:500}.tabs{display:flex;gap:var(--space-1);background:var(--surface-2);border-radius:var(--radius-lg);padding:var(--space-1);margin-bottom:var(--space-8);overflow-x:auto}.tab-btn{padding:var(--space-3) var(--space-6);font-family:var(--font-body);font-size:var(--text-sm);font-weight:500;color:var(--text-secondary);background:transparent;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.tab-btn.active{background:var(--electric-blue);color:#fff;box-shadow:var(--glow-blue)}.tab-btn:hover:not(.active){color:var(--text-primary);background:var(--surface-3)}.tab-panel{display:none}.tab-panel.active{display:block;animation:fadeIn .4s ease-out}.form-steps{max-width:700px;margin:0 auto}.step-panel{display:none}.step-panel.active{display:block;animation:fadeInUp .5s ease-out}.step-title{font-size:var(--text-2xl);font-weight:700;margin-bottom:var(--space-2)}.step-desc{font-size:var(--text-sm);color:var(--text-secondary);margin-bottom:var(--space-8)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-4)}.form-actions{display:flex;justify-content:space-between;margin-top:var(--space-8);padding-top:var(--space-6);border-top:1px solid var(--border-subtle)}.photo-upload-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-4)}.photo-upload-box{aspect-ratio:3/4;border:2px dashed var(--border-medium);border-radius:var(--radius-lg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-2);cursor:pointer;transition:all var(--transition-fast);background:var(--surface-2)}.photo-upload-box:hover{border-color:var(--electric-blue);background:#1c7dff0d}.photo-upload-icon{font-size:32px;opacity:.5}.photo-upload-label{font-size:var(--text-sm);color:var(--text-muted)}.dashboard-grid{display:grid;grid-template-columns:2fr 1fr;gap:var(--space-6)}.chart-card{background:var(--surface-2);border-radius:var(--radius-lg);border:1px solid var(--border-subtle);padding:var(--space-6)}.chart-card-title{font-size:var(--text-base);font-weight:600;margin-bottom:var(--space-4);display:flex;align-items:center;gap:var(--space-2)}.chart-container{position:relative;height:250px}.metrics-sidebar{display:flex;flex-direction:column;gap:var(--space-4)}.metric-card{background:var(--surface-2);border-radius:var(--radius-lg);border:1px solid var(--border-subtle);padding:var(--space-5);text-align:center}.metric-value{font-size:var(--text-3xl);font-weight:800;line-height:1;margin-bottom:var(--space-1)}.metric-label{font-size:var(--text-xs);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.1em}.metric-change{font-size:var(--text-xs);margin-top:var(--space-1);font-weight:600}.checkin-card{background:var(--surface-2);border:1px solid rgba(46,230,255,.2);border-radius:var(--radius-lg);padding:var(--space-5);margin-top:var(--space-4)}.checkin-title{font-size:var(--text-sm);font-weight:700;color:var(--text-primary);margin-bottom:var(--space-4)}.metric-change.positive{color:#4ade80}.metric-change.negative{color:#f87171}.transformations-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-6);margin-top:var(--space-8)}.transformation-card{border-radius:var(--radius-xl);overflow:hidden;background:var(--surface-2);border:1px solid var(--border-subtle);transition:all var(--transition-base)}.transformation-card:hover{transform:translateY(-6px);box-shadow:var(--glow-blue);border-color:#1c7dff4d}.transformation-images{display:grid;grid-template-columns:1fr 1fr;height:280px}.transformation-before,.transformation-after{position:relative;background:var(--surface-3);overflow:hidden;display:flex;align-items:center;justify-content:center;font-size:64px}.transformation-tag{position:absolute;bottom:8px;left:8px;padding:2px 8px;font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;border-radius:var(--radius-sm)}.transformation-tag.before{background:#0009;color:var(--text-secondary)}.transformation-tag.after{background:#1c7dffcc;color:#fff}.transformation-info{padding:var(--space-5)}.transformation-name{font-size:var(--text-base);font-weight:700;margin-bottom:var(--space-1)}.transformation-stats{font-size:var(--text-sm);color:var(--text-secondary)}.transformation-result{margin-top:var(--space-3);font-size:var(--text-sm);font-weight:600;color:var(--neon-bio-blue)}.photo-comparison{border-radius:var(--radius-md);overflow:hidden}.comparison-container{position:relative;height:320px;overflow:hidden;border-radius:var(--radius-md);background:var(--surface-3)}.comparison-before,.comparison-after{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}.comparison-before{background:linear-gradient(135deg,var(--surface-3),var(--surface-4));z-index:1}.comparison-after{background:linear-gradient(135deg,#1c7dff14,#2ee6ff0d);z-index:0}.comparison-before{clip-path:inset(0 50% 0 0)}.comparison-placeholder{font-size:var(--text-xl);font-weight:700;color:var(--text-muted);letter-spacing:.1em;text-transform:uppercase}.comparison-slider{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;z-index:3;margin:0}.comparison-handle{position:absolute;top:0;bottom:0;left:50%;transform:translate(-50%);width:3px;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:2;pointer-events:none}.comparison-handle-line{flex:1;width:2px;background:var(--neon-bio-blue);box-shadow:0 0 8px var(--neon-bio-blue)}.comparison-handle-circle{width:40px;height:40px;border-radius:50%;background:var(--deep-graphite);border:2px solid var(--neon-bio-blue);box-shadow:0 0 15px #2ee6ff66;display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--neon-bio-blue);flex-shrink:0}.transformation-age{font-weight:400;color:var(--text-secondary);font-size:var(--text-sm)}.transformation-badge{margin-top:var(--space-3);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#fbbf24;padding:4px 10px;border-radius:var(--radius-sm);background:#fbbf2414;border:1px solid rgba(251,191,36,.15);display:inline-block}.media-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-4);margin-top:var(--space-6)}.media-item{aspect-ratio:1;border-radius:var(--radius-md);background:var(--surface-3);border:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:center;font-size:32px;cursor:pointer;transition:all var(--transition-fast)}.media-item:hover{border-color:var(--electric-blue);transform:scale(1.05)}@media(max-width:768px){.challenge-steps{flex-direction:column;gap:var(--space-4)}.form-row,.photo-upload-grid,.dashboard-grid,.transformations-grid{grid-template-columns:1fr}.media-grid{grid-template-columns:repeat(2,1fr)}}.gallery-header{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;flex-wrap:wrap}.gallery-section-label{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--border-subtle)}.media-grid-rich{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}.media-card{border-radius:12px;overflow:hidden;background:var(--surface-2);border:1px solid var(--border-subtle);transition:transform .2s,border-color .2s;cursor:pointer}.media-card:hover{transform:translateY(-3px);border-color:#1c7dff66}.media-card-photo{aspect-ratio:3/4;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end}.media-card-silhouette{position:absolute;bottom:0;left:50%;transform:translate(-50%);width:60%;height:80%}.before-silhouette{background:radial-gradient(ellipse 38% 22% at 50% 12%,rgba(255,200,150,.18) 0%,transparent 100%),radial-gradient(ellipse 26% 32% at 50% 42%,rgba(255,180,100,.14) 0%,transparent 100%),radial-gradient(ellipse 44% 42% at 50% 72%,rgba(255,170,80,.12) 0%,transparent 100%);filter:blur(2px);opacity:.9}.after-silhouette{background:radial-gradient(ellipse 30% 20% at 50% 12%,rgba(100,200,255,.22) 0%,transparent 100%),radial-gradient(ellipse 20% 28% at 50% 42%,rgba(80,190,255,.18) 0%,transparent 100%),radial-gradient(ellipse 34% 36% at 50% 72%,rgba(60,180,255,.15) 0%,transparent 100%);filter:blur(1.5px);opacity:.9}.before-silhouette.male{background:radial-gradient(ellipse 42% 22% at 50% 12%,rgba(255,200,150,.18) 0%,transparent 100%),radial-gradient(ellipse 30% 28% at 50% 40%,rgba(255,180,100,.16) 0%,transparent 100%),radial-gradient(ellipse 38% 38% at 50% 72%,rgba(255,170,80,.12) 0%,transparent 100%);filter:blur(2px)}.after-silhouette.male{background:radial-gradient(ellipse 36% 20% at 50% 12%,rgba(100,200,255,.22) 0%,transparent 100%),radial-gradient(ellipse 24% 24% at 50% 40%,rgba(80,190,255,.2) 0%,transparent 100%),radial-gradient(ellipse 30% 32% at 50% 72%,rgba(60,180,255,.16) 0%,transparent 100%);filter:blur(1.5px)}.media-card-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:space-between;padding:10px;pointer-events:none}.media-card-week{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#ffffffe6;background:#00000073;padding:3px 7px;border-radius:4px;align-self:flex-start;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.media-card-angle{font-size:9px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#ffffff8c;align-self:flex-end;text-align:right}.media-card-stats{position:absolute;bottom:10px;left:50%;transform:translate(-50%);font-size:10px;font-weight:700;color:#ffffffbf;background:#0000008c;padding:3px 10px;border-radius:100px;white-space:nowrap;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.media-card-meta{padding:10px 12px;display:flex;justify-content:space-between;align-items:center}.media-card-name{font-size:13px;font-weight:600;color:var(--text-primary)}.media-card-date{font-size:11px;color:var(--text-muted)}.media-card-type{color:var(--electric-blue)}.dexa-card{background:linear-gradient(145deg,#060c18,#0a1428)!important;padding:14px;display:flex;flex-direction:column;justify-content:center}.dexa-preview{flex:1;display:flex;flex-direction:column;gap:7px;margin-top:28px}.dexa-row{display:flex;justify-content:space-between;font-size:11px;color:#ffffff8c;font-family:SF Mono,Fira Code,monospace}.dexa-red{color:#f87171!important}.dexa-blue{color:#2ee6ff!important}.dexa-bar-row{margin-top:6px}.dexa-bar{height:4px;border-radius:100px;width:100%}.media-card-upload{border:2px dashed rgba(255,255,255,.12)!important;background:transparent!important;display:flex;align-items:center;justify-content:center;aspect-ratio:3/4;cursor:pointer;transition:border-color .2s,background .2s}.media-card-upload:hover{border-color:var(--electric-blue)!important;background:#1c7dff0d!important}.media-upload-inner{text-align:center}.media-upload-icon{font-size:32px;color:#fff3;line-height:1;margin-bottom:8px;font-weight:200}.media-upload-text{font-size:13px;font-weight:600;color:var(--text-secondary)}.media-upload-sub{font-size:10px;color:var(--text-muted);margin-top:4px}.gallery-note{text-align:center;font-size:12px;color:var(--text-muted);font-style:italic;margin-top:8px}.featured-stats-bar{display:flex;align-items:center;justify-content:center;gap:0;background:var(--surface-2);border:1px solid var(--border-subtle);border-radius:16px;padding:20px 32px;margin-bottom:48px;flex-wrap:wrap;gap:8px}.featured-stat{display:flex;flex-direction:column;align-items:center;padding:0 32px;flex:1;min-width:120px}.featured-stat-value{font-size:28px;font-weight:800;background:linear-gradient(135deg,var(--electric-blue),var(--neon-bio-blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.1}.featured-stat-label{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-top:4px;text-align:center}.featured-stat-divider{width:1px;height:40px;background:var(--border-subtle);flex-shrink:0}.transformations-grid-rich{display:flex;flex-direction:column;gap:32px}.transformation-card-rich{background:var(--surface-2);border:1px solid var(--border-subtle);border-radius:20px;overflow:hidden;display:grid;grid-template-columns:360px 1fr;transition:border-color .2s,box-shadow .2s}.transformation-card-rich:hover{border-color:#1c7dff4d;box-shadow:0 8px 40px #0000004d}.transformation-images-rich{display:grid;grid-template-columns:1fr 1fr;height:260px}.tf-panel{position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;padding:12px}.tf-before{background:linear-gradient(145deg,var(--before-color, #1a0800),#2a1000)}.tf-after{background:linear-gradient(145deg,var(--after-color, #001428),#002050)}.tf-body-art{position:absolute;bottom:0;left:50%;transform:translate(-50%);width:55%;height:85%}.tf-body-before{background:radial-gradient(ellipse 50% 22% at 50% 10%,rgba(255,190,120,.3) 0%,transparent 100%),radial-gradient(ellipse 40% 35% at 50% 42%,rgba(255,160,80,.22) 0%,transparent 100%),radial-gradient(ellipse 55% 45% at 50% 75%,rgba(255,140,60,.18) 0%,transparent 100%);filter:blur(3px)}.tf-body-after{background:radial-gradient(ellipse 38% 18% at 50% 10%,rgba(60,200,255,.35) 0%,transparent 100%),radial-gradient(ellipse 28% 28% at 50% 40%,rgba(40,190,255,.28) 0%,transparent 100%),radial-gradient(ellipse 40% 38% at 50% 74%,rgba(20,180,255,.22) 0%,transparent 100%);filter:blur(2px)}.tf-body-before.male{background:radial-gradient(ellipse 56% 20% at 50% 10%,rgba(255,190,120,.32) 0%,transparent 100%),radial-gradient(ellipse 42% 30% at 50% 40%,rgba(255,160,80,.24) 0%,transparent 100%),radial-gradient(ellipse 50% 42% at 50% 72%,rgba(255,140,60,.18) 0%,transparent 100%);filter:blur(3px)}.tf-body-after.male{background:radial-gradient(ellipse 46% 18% at 50% 10%,rgba(60,200,255,.38) 0%,transparent 100%),radial-gradient(ellipse 34% 26% at 50% 38%,rgba(40,190,255,.32) 0%,transparent 100%),radial-gradient(ellipse 42% 36% at 50% 72%,rgba(20,180,255,.24) 0%,transparent 100%);filter:blur(2px)}.tf-panel-stats{position:relative;z-index:2;display:flex;flex-direction:column;gap:2px}.tf-panel-stat{font-size:14px;font-weight:700;color:#ffffffbf;line-height:1.2}.tf-panel-stat.muted{font-size:11px;font-weight:400;color:#fff6}.tf-panel-stat.accent{color:#2ee6ff}.tf-panel-stat.accent-dim{font-size:11px;font-weight:400;color:#2ee6ff8c}.tf-tag{position:absolute;top:10px;left:10px;font-size:9px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#ffffff80;background:#0006;padding:3px 7px;border-radius:4px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.tf-tag.after{color:#2ee6ffcc}.tf-info{padding:24px 28px;display:flex;flex-direction:column;justify-content:center;gap:12px}.tf-name-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.tf-name{font-size:20px;font-weight:700;color:var(--text-primary);margin:0}.tf-age{font-size:14px;font-weight:400;color:var(--text-muted)}.tf-badge{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#fbbf24;background:#fbbf241a;border:1px solid rgba(251,191,36,.2);padding:3px 9px;border-radius:100px}.tf-protocol{font-size:13px;color:var(--text-muted);margin:0}.tf-results-row{display:flex;gap:8px;flex-wrap:wrap}.tf-result-chip{font-size:12px;font-weight:700;padding:5px 12px;border-radius:100px;letter-spacing:.02em}.tf-result-chip.loss{background:#f871711f;color:#f87171;border:1px solid rgba(248,113,113,.2)}.tf-result-chip.muscle{background:#2ee6ff1a;color:#2ee6ff;border:1px solid rgba(46,230,255,.2)}.tf-result-chip.fat{background:#1c7dff1a;color:#60a5fa;border:1px solid rgba(28,125,255,.2)}.tf-quote{font-size:14px;font-style:italic;color:var(--text-secondary);line-height:1.6;margin:0;padding-left:12px;border-left:2px solid rgba(46,230,255,.3)}.featured-join-cta{margin-top:56px;background:linear-gradient(135deg,#1c7dff1a,#2ee6ff0f);border:1px solid rgba(28,125,255,.25);border-radius:20px;padding:48px;text-align:center}.featured-join-inner h3{font-size:clamp(22px,3vw,32px);font-weight:700;color:var(--text-primary);margin-bottom:12px}.featured-join-inner p{color:var(--text-secondary);font-size:15px;margin-bottom:28px;max-width:480px;margin-left:auto;margin-right:auto}@media(max-width:900px){.media-grid-rich{grid-template-columns:repeat(2,1fr)}.transformation-card-rich{grid-template-columns:1fr}.transformation-images-rich{height:200px}.featured-stats-bar{gap:4px;padding:16px}.featured-stat{padding:0 16px}.featured-join-cta{padding:32px 24px}}@media(max-width:600px){.media-grid-rich{grid-template-columns:1fr 1fr;gap:10px}.featured-stats-bar{flex-direction:column;gap:12px}.featured-stat-divider{width:40px;height:1px}.gallery-header{flex-direction:column;align-items:flex-start}}