:root{--v25-cyan:#51e8ff;--v25-mint:#54f2c3;--v25-line:#1b455b;--v25-panel:#071a29;--v25-panel-2:#0b2233;--v25-muted:#9db5c7}
.v25-industrial-access{margin-top:72px;padding-top:54px;border-top:1px solid var(--v25-line)}
.v25-industrial-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.55fr);gap:5vw;align-items:end;margin-bottom:28px}.v25-industrial-head h3{font-size:clamp(2.2rem,4vw,4.8rem);line-height:.98;max-width:900px}.v25-industrial-head>p{color:var(--v25-muted);font-size:1.05rem;line-height:1.7}
.v25-industrial-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:16px}.v25-industrial-card{min-height:560px;display:flex;flex-direction:column;border:1px solid var(--v25-line);border-radius:26px;overflow:hidden;background:linear-gradient(150deg,#0a2132,#04101b);color:#fff;transition:transform .35s,border-color .35s,box-shadow .35s}.v25-industrial-card:hover{transform:translateY(-7px);border-color:#3aa8c7;box-shadow:0 26px 70px #0008}.v25-industrial-card model-viewer,.v25-operational-stage{width:100%;height:350px;background:radial-gradient(circle at 50% 45%,#16445d,#06111c 68%)}
.v25-operational-stage{position:relative;overflow:hidden;perspective:900px}.v25-operational-stage:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,#06121d 96%),repeating-linear-gradient(90deg,transparent 0 39px,#51e8ff12 40px),repeating-linear-gradient(0deg,transparent 0 39px,#51e8ff0d 40px)}.v25-operational-stage img{width:100%;height:100%;object-fit:cover;opacity:.37;filter:saturate(.85) contrast(1.12)}
.v25-rig{position:absolute;z-index:2;left:50%;bottom:50px;width:122px;height:220px;transform:translateX(-50%) rotateY(-18deg);clip-path:polygon(44% 0,56% 0,100% 100%,0 100%);border:4px solid var(--v25-cyan);background:repeating-linear-gradient(45deg,transparent 0 18px,#51e8ff88 19px 21px);filter:drop-shadow(0 0 15px #51e8ff88)}.v25-rig i{position:absolute;height:2px;background:#fff8;left:10%;right:10%}.v25-rig i:nth-child(1){top:25%}.v25-rig i:nth-child(2){top:45%}.v25-rig i:nth-child(3){top:65%}.v25-rig i:nth-child(4){top:84%}.v25-well-line{position:absolute;z-index:2;left:50%;bottom:0;width:2px;height:70px;background:var(--v25-mint);box-shadow:0 0 16px var(--v25-mint)}.v25-well-line span{position:absolute;width:9px;height:9px;border:1px solid var(--v25-mint);border-radius:50%;left:-4px}.v25-well-line span:nth-child(1){top:10px}.v25-well-line span:nth-child(2){top:32px}.v25-well-line span:nth-child(3){top:54px}
.v25-platform-deck{position:absolute;z-index:2;left:22%;right:18%;top:35%;height:68px;background:#0d3448;border:3px solid var(--v25-cyan);transform:rotateX(55deg) rotateZ(-6deg);box-shadow:0 0 30px #51e8ff55}.v25-platform-deck i{position:absolute;bottom:100%;width:18px;border:2px solid var(--v25-mint)}.v25-platform-deck i:nth-child(1){left:15%;height:85px}.v25-platform-deck i:nth-child(2){left:50%;height:46px}.v25-platform-deck i:nth-child(3){right:12%;height:110px}.v25-platform-legs{position:absolute;z-index:2;top:51%;left:29%;right:25%;height:150px}.v25-platform-legs span{position:absolute;width:4px;height:100%;background:linear-gradient(var(--v25-cyan),transparent);transform:skewX(-12deg)}.v25-platform-legs span:nth-child(2){left:24%}.v25-platform-legs span:nth-child(3){right:24%;transform:skewX(12deg)}.v25-platform-legs span:nth-child(4){right:0;transform:skewX(12deg)}
.v25-industrial-copy{padding:25px 26px 28px;display:flex;flex:1;flex-direction:column;align-items:flex-start}.v25-industrial-copy small,.v25-live-dot{font:700 .68rem/1.4 var(--font-mono,monospace);letter-spacing:.12em;color:var(--v25-cyan)}.v25-live-dot{display:inline-flex;gap:8px;align-items:center;margin-bottom:19px;color:var(--v25-mint)}.v25-live-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--v25-mint);box-shadow:0 0 13px var(--v25-mint)}.v25-industrial-copy h4{font-size:clamp(1.45rem,2.4vw,2.3rem);line-height:1.05;margin:9px 0 12px}.v25-industrial-copy p{color:var(--v25-muted);line-height:1.55}.v25-industrial-copy b{margin-top:auto;color:var(--v25-cyan);font-size:.82rem}.v25-secondary-evidence{margin-top:85px}.v25-twin-grid{grid-template-columns:repeat(4,minmax(0,1fr))!important}.v25-learning-preview{height:310px;padding:42px;display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;background:radial-gradient(circle at 20% 30%,#16445d,#06111b 68%)}.v25-learning-preview>span{display:grid;place-items:center;width:64px;height:64px;border:1px solid var(--v25-cyan);border-radius:18px;font-size:1.45rem}.v25-learning-preview>div{display:grid;gap:14px}.v25-learning-preview i{display:block;height:7px;width:var(--p);background:linear-gradient(90deg,var(--v25-cyan),var(--v25-mint));border-radius:99px;box-shadow:0 0 12px #51e8ff88}.v25-learning-preview strong{font-size:1.6rem;color:var(--v25-mint)}

/* Student learning platform */
.v25-portal{min-height:100vh;background:radial-gradient(circle at 76% 2%,#123d53 0,#06121f 34%,#020811 72%);color:#f5fbff}.v25-portal *{box-sizing:border-box}.v25-portal [hidden]{display:none!important}.v25-portal a{color:inherit}.v25-portal-shell{width:min(1500px,calc(100% - 36px));margin:auto;padding:24px 0 70px}.v25-portal-top{position:sticky;top:14px;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border:1px solid var(--v25-line);border-radius:18px;background:#04101ce8;backdrop-filter:blur(20px)}.v25-brand{display:flex;gap:12px;align-items:center;text-decoration:none}.v25-brand-mark{display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--v25-cyan);border-radius:13px;font-weight:800}.v25-brand small,.v25-brand strong{display:block}.v25-brand small{font:600 .62rem/1.2 var(--font-mono,monospace);letter-spacing:.12em;color:var(--v25-muted)}.v25-top-actions{display:flex;align-items:center;gap:10px}.v25-status{display:inline-flex;align-items:center;gap:8px;padding:9px 13px;border:1px solid #246079;border-radius:99px;font:700 .68rem var(--font-mono,monospace);letter-spacing:.08em;color:var(--v25-mint)}.v25-status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--v25-mint);box-shadow:0 0 12px var(--v25-mint)}
.v25-auth{display:grid;grid-template-columns:1.12fr .88fr;gap:5vw;align-items:center;min-height:calc(100vh - 120px);padding:70px 4vw}.v25-auth-copy h1{font-size:clamp(3.3rem,7vw,7.4rem);line-height:.88;letter-spacing:-.055em;max-width:950px}.v25-auth-copy>p{max-width:720px;font-size:1.15rem;line-height:1.75;color:var(--v25-muted)}.v25-auth-metrics{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}.v25-auth-metrics div{min-width:150px;padding:17px;border:1px solid var(--v25-line);border-radius:16px;background:#0a1c2a99}.v25-auth-metrics strong,.v25-auth-metrics span{display:block}.v25-auth-metrics strong{font-size:1.8rem}.v25-auth-metrics span{font-size:.75rem;color:var(--v25-muted)}.v25-auth-card{padding:30px;border:1px solid #2a6078;border-radius:28px;background:linear-gradient(145deg,#0c2638dd,#061420f0);box-shadow:0 40px 100px #0009}.v25-auth-card h2{font-size:2rem}.v25-auth-card label{display:grid;gap:8px;margin:16px 0;color:#d7e8f3;font-size:.84rem}.v25-auth-card input,.v25-auth-card select,.v25-input,.v25-textarea{width:100%;padding:14px 15px;border:1px solid #28546a;border-radius:12px;background:#020b13;color:#fff;font:inherit}.v25-textarea{min-height:110px;resize:vertical}.v25-check{grid-template-columns:auto 1fr!important;align-items:start}.v25-check input{width:auto;margin-top:3px}.v25-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:0 19px;border:1px solid #2a6078;border-radius:99px;background:#092030;color:#fff;font-weight:800;cursor:pointer;text-decoration:none}.v25-button--primary{background:linear-gradient(100deg,var(--v25-cyan),#8e8bff);border:0;color:#00101b}.v25-button--ghost{background:transparent}.v25-auth-card .v25-button{width:100%;margin-top:8px}.v25-fine{font-size:.74rem;color:#7f9aaa;line-height:1.5}
.v25-app{display:grid;grid-template-columns:260px 1fr;gap:18px;margin-top:18px}.v25-sidebar{position:sticky;top:100px;height:calc(100vh - 120px);display:flex;flex-direction:column;padding:18px;border:1px solid var(--v25-line);border-radius:22px;background:#061725}.v25-profile{padding:14px;border-bottom:1px solid var(--v25-line);margin-bottom:14px}.v25-avatar{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--v25-cyan),#8986ff);color:#04101a;font-weight:900}.v25-profile strong,.v25-profile small{display:block;margin-top:8px}.v25-profile small{color:var(--v25-muted)}.v25-nav{display:grid;gap:6px}.v25-nav button{display:flex;align-items:center;gap:12px;width:100%;padding:13px;border:0;border-radius:12px;background:transparent;color:#a9c0d1;text-align:left;font:700 .84rem inherit;cursor:pointer}.v25-nav button span{font:700 .68rem var(--font-mono,monospace);color:var(--v25-cyan)}.v25-nav button[aria-selected=true]{background:#102c40;color:#fff;box-shadow:inset 3px 0 var(--v25-cyan)}.v25-sidebar-foot{margin-top:auto;padding-top:15px;border-top:1px solid var(--v25-line)}.v25-main{min-width:0;padding:20px 12px 60px}.v25-panel[hidden]{display:none}.v25-panel-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:25px}.v25-panel-head h1{font-size:clamp(2.7rem,5vw,5.7rem);line-height:.93;max-width:900px}.v25-panel-head>p{max-width:520px;color:var(--v25-muted);line-height:1.65}.v25-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.v25-kpi{padding:22px;border:1px solid var(--v25-line);border-radius:18px;background:linear-gradient(145deg,#0b2435,#061420)}.v25-kpi small{color:var(--v25-muted)}.v25-kpi strong{display:block;margin:8px 0 2px;font-size:2.2rem}.v25-kpi i{display:block;height:3px;margin-top:18px;background:linear-gradient(90deg,var(--v25-cyan),var(--v25-mint),transparent);border-radius:9px}.v25-dashboard-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:14px;margin-top:14px}.v25-card{padding:24px;border:1px solid var(--v25-line);border-radius:20px;background:#071927}.v25-card h2{font-size:1.45rem}.v25-activity-list,.v25-result-list,.v25-comment-list{display:grid;gap:9px;margin-top:16px}.v25-activity{display:grid;grid-template-columns:auto 1fr auto;gap:13px;align-items:center;padding:12px;border-top:1px solid #17384a}.v25-activity:first-child{border-top:0}.v25-activity span:first-child{display:grid;place-items:center;width:37px;height:37px;border-radius:11px;background:#0f3044;color:var(--v25-cyan)}.v25-activity small{color:var(--v25-muted)}.v25-chart{height:210px;display:flex;align-items:end;gap:10px;padding-top:25px}.v25-chart i{flex:1;height:var(--h);min-height:8px;border-radius:8px 8px 2px 2px;background:linear-gradient(var(--v25-cyan),#275b78);box-shadow:0 0 15px #51e8ff33}.v25-lab-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.v25-lab-card{display:flex;min-height:430px;flex-direction:column;border:1px solid var(--v25-line);border-radius:22px;overflow:hidden;background:#071927;text-decoration:none}.v25-lab-card model-viewer,.v25-lab-card .v25-operational-stage{height:260px}.v25-lab-card>div:last-child{padding:20px}.v25-lab-card small{color:var(--v25-cyan)}.v25-lab-card h3{font-size:1.45rem}.v25-lab-card p{color:var(--v25-muted);line-height:1.55}.v25-results-table{width:100%;border-collapse:collapse}.v25-results-table th,.v25-results-table td{padding:14px 10px;border-bottom:1px solid #17384a;text-align:left}.v25-results-table th{font:700 .68rem var(--font-mono,monospace);letter-spacing:.08em;color:var(--v25-cyan)}.v25-pill{display:inline-flex;padding:6px 10px;border:1px solid #287a68;border-radius:99px;color:var(--v25-mint);font-size:.72rem}.v25-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.v25-form-grid .full{grid-column:1/-1}.v25-comments-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:14px}.v25-comment{padding:18px;border:1px solid #1b455b;border-radius:16px;background:#071927}.v25-comment p{color:#d7e7f0;line-height:1.6}.v25-comment footer{display:flex;justify-content:space-between;color:var(--v25-muted);font-size:.75rem}.v25-ready-banner{display:flex;justify-content:space-between;gap:25px;align-items:center;padding:20px;border:1px solid #22614f;border-radius:18px;background:linear-gradient(100deg,#0a302e,#0a1d2b);margin-bottom:14px}.v25-ready-banner p{margin:4px 0 0;color:#aad0c5}.v25-demo-tag{font:700 .65rem var(--font-mono,monospace);letter-spacing:.1em;color:var(--v25-mint)}

/* Industrial station */
.v25-twin-page{min-height:100vh;background:#020a12;color:#f4fbff}.v25-twin-shell{width:min(1550px,calc(100% - 30px));margin:auto;padding:18px 0 60px}.v25-twin-header{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border:1px solid var(--v25-line);border-radius:18px;background:#061724}.v25-twin-layout{display:grid;grid-template-columns:235px minmax(0,1fr) 310px;gap:12px;margin-top:12px}.v25-twin-nav,.v25-telemetry,.v25-viewport{border:1px solid var(--v25-line);border-radius:22px;background:#061725}.v25-twin-nav,.v25-telemetry{padding:18px}.v25-twin-nav button{display:grid;grid-template-columns:auto 1fr;gap:12px;width:100%;padding:15px 10px;border:0;border-bottom:1px solid #163547;background:transparent;color:#b8cedc;text-align:left;cursor:pointer}.v25-twin-nav button[aria-selected=true]{color:#fff;background:#102d40;border-radius:12px;box-shadow:inset 3px 0 var(--v25-cyan)}.v25-twin-nav button span{color:var(--v25-cyan)}.v25-viewport{overflow:hidden}.v25-viewport-head{display:flex;justify-content:space-between;gap:20px;align-items:start;padding:22px 24px;border-bottom:1px solid var(--v25-line)}.v25-viewport-head h1{font-size:clamp(2rem,4vw,4.4rem);line-height:.95}.v25-scene{position:relative;height:650px;background:radial-gradient(circle at 50% 40%,#12394e,#030b13 67%);overflow:hidden}.v25-scene model-viewer{width:100%;height:100%}.v25-scene .v25-operational-stage{height:100%}.v25-scene-note{position:absolute;z-index:3;left:22px;bottom:20px;padding:9px 12px;border:1px solid #2f6b84;border-radius:99px;background:#03101bd9;font:700 .65rem var(--font-mono,monospace);letter-spacing:.08em;color:var(--v25-cyan)}.v25-telemetry h2{font-size:1.1rem}.v25-source{display:flex;justify-content:space-between;align-items:center;padding:12px;border:1px solid #22614f;border-radius:12px;color:var(--v25-mint)}.v25-sensor{padding:16px 0;border-bottom:1px solid #17384a}.v25-sensor small,.v25-sensor strong{display:block}.v25-sensor small{color:var(--v25-muted)}.v25-sensor strong{font-size:1.65rem;margin-top:5px}.v25-spark{height:30px;margin-top:8px}.v25-spark svg{width:100%;height:100%}.v25-spark polyline{fill:none;stroke:var(--v25-cyan);stroke-width:2}.v25-mqtt-panel{margin-top:16px;padding:16px;border:1px solid var(--v25-line);border-radius:15px;background:#091e2d}.v25-mqtt-panel p{font-size:.78rem;color:var(--v25-muted);line-height:1.55}.v25-mqtt-panel .v25-button{width:100%}.v25-twin-method{display:grid;grid-template-columns:repeat(4,1fr);margin-top:12px;border:1px solid var(--v25-line);border-radius:20px;overflow:hidden}.v25-twin-method div{padding:20px;border-right:1px solid var(--v25-line)}.v25-twin-method div:last-child{border:0}.v25-twin-method small{color:var(--v25-cyan)}

@media(max-width:1200px){.v25-industrial-grid,.v25-lab-grid{grid-template-columns:1fr 1fr}.v25-industrial-card:first-child{grid-column:1/-1}.v25-twin-grid{grid-template-columns:1fr 1fr!important}.v25-twin-layout{grid-template-columns:210px 1fr}.v25-telemetry{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.v25-telemetry>h2,.v25-telemetry>.v25-source,.v25-telemetry>.v25-mqtt-panel{grid-column:1/-1}.v25-sensor{border:1px solid #17384a;border-radius:13px;padding:14px}}
@media(max-width:900px){.v25-industrial-head,.v25-auth,.v25-dashboard-grid,.v25-comments-layout{grid-template-columns:1fr}.v25-app{grid-template-columns:1fr}.v25-sidebar{position:relative;top:0;height:auto}.v25-nav{grid-template-columns:repeat(4,1fr)}.v25-nav button{justify-content:center}.v25-nav button span{display:none}.v25-kpis{grid-template-columns:1fr 1fr}.v25-twin-layout{grid-template-columns:1fr}.v25-twin-nav{display:grid;grid-template-columns:repeat(3,1fr)}.v25-twin-nav button{border-bottom:0}.v25-scene{height:520px}.v25-twin-method{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.v25-industrial-grid,.v25-lab-grid,.v25-telemetry,.v25-form-grid{grid-template-columns:1fr}.v25-industrial-card:first-child{grid-column:auto}.v25-twin-grid{grid-template-columns:1fr!important}.v25-auth{padding:50px 5px}.v25-auth-copy h1{font-size:3.25rem}.v25-top-actions .v25-status{display:none}.v25-nav{grid-template-columns:1fr 1fr}.v25-nav button{justify-content:flex-start}.v25-kpis{grid-template-columns:1fr}.v25-panel-head{display:block}.v25-twin-nav{grid-template-columns:1fr}.v25-twin-method{grid-template-columns:1fr}.v25-twin-method div{border-right:0;border-bottom:1px solid var(--v25-line)}.v25-scene{height:440px}.v25-results-table{font-size:.78rem}.v25-results-table th:nth-child(3),.v25-results-table td:nth-child(3){display:none}}

/* Practice passport bridge */
.v25-card label,.v25-mqtt-panel label{display:grid;gap:8px;margin:12px 0;color:#d7e8f3;font-size:.82rem}.v25-scene [hidden]{display:none!important}.v25-practice-passport{position:fixed;z-index:45;right:18px;bottom:18px;width:min(370px,calc(100vw - 36px));padding:18px;border:1px solid #2b627a;border-radius:20px;background:#051624ee;color:#f6fbff;box-shadow:0 22px 70px #000b;backdrop-filter:blur(18px)}.v25-practice-passport__status{display:flex;align-items:center;gap:8px;font:800 .65rem var(--font-mono,monospace);letter-spacing:.12em;color:var(--v25-mint)}.v25-practice-passport__status span{width:8px;height:8px;border-radius:50%;background:var(--v25-mint);box-shadow:0 0 12px var(--v25-mint)}.v25-practice-passport strong{display:block;margin:10px 0 4px}.v25-practice-passport p{margin:0;color:var(--v25-muted);font-size:.8rem}.v25-practice-passport__actions{display:flex;gap:8px;margin-top:14px}.v25-practice-passport .button{min-height:42px;padding:0 14px;font-size:.75rem}.v25-result-dialog{width:min(760px,calc(100vw - 28px));padding:0;border:1px solid #2c637a;border-radius:24px;background:#061725;color:#fff;box-shadow:0 30px 100px #000c}.v25-result-dialog::backdrop{background:#01060dd9;backdrop-filter:blur(5px)}.v25-result-dialog__inner{padding:26px}.v25-result-dialog__top{display:flex;justify-content:space-between;gap:18px;align-items:start}.v25-result-dialog__top span{font:700 .65rem var(--font-mono,monospace);letter-spacing:.12em;color:var(--v25-cyan)}.v25-result-dialog__top h2{margin:.5rem 0;font-size:clamp(1.5rem,4vw,2.6rem)}.v25-result-dialog__top button{border:1px solid #28546a;border-radius:50%;width:42px;height:42px;background:transparent;color:#fff;font-size:1.5rem;cursor:pointer}.v25-result-dialog__inner>p{color:var(--v25-muted);line-height:1.6}.v25-result-dialog__grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.v25-result-dialog label{display:grid;gap:8px;color:#d7e8f3;font-size:.8rem}.v25-result-dialog label.wide{grid-column:1/-1}.v25-result-dialog input,.v25-result-dialog select,.v25-result-dialog textarea{width:100%;padding:13px;border:1px solid #28546a;border-radius:12px;background:#020b13;color:#fff;font:inherit}.v25-result-dialog textarea{min-height:120px;resize:vertical}.v25-result-dialog__actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.v25-result-dialog output{display:block;min-height:1.4em;margin-top:10px;color:var(--v25-mint);font-size:.8rem}
@media(max-width:640px){.v25-result-dialog__grid{grid-template-columns:1fr}.v25-practice-passport{position:relative;right:auto;bottom:auto;width:calc(100% - 28px);margin:28px auto}.v25-result-dialog__actions,.v25-practice-passport__actions{flex-direction:column}.v25-result-dialog__actions .button,.v25-practice-passport__actions .button{width:100%;justify-content:center}}