:root{font-family:'Segoe UI',Arial,sans-serif;color:#273945;background:#dbe1e5;color-scheme:light}*{box-sizing:border-box}body{margin:0;padding:18px;background:linear-gradient(125deg,#edf0f2,#d3dce1);min-height:100vh}main{max-width:1500px;margin:auto;border:1px solid #bac5cd;border-radius:12px;background:#f0f3f5;box-shadow:0 12px 35px #29445418;overflow:hidden}header{display:flex;align-items:center;gap:28px;padding:17px 28px;border-bottom:1px solid #bdc9d1;background:linear-gradient(#fff,#e7ecef)}.brand{font-weight:800;font-size:27px;letter-spacing:3px;border-right:1px solid #c4cdd3;padding-right:28px;color:#3c596b}.brand span{display:block;font-size:8px;letter-spacing:2px;margin-top:4px}h1{font-size:25px;font-weight:600;margin:0}.eyebrow{font-size:9px;letter-spacing:1.4px;color:#687d8a;margin:0 0 4px}.tag{margin-left:auto;border:1px solid #aebfc9;background:#e2ebef;font-size:10px;letter-spacing:1px;padding:9px 12px;border-radius:4px}.notice{margin:14px 24px;padding:10px 14px;border-left:3px solid #8095a2;background:#e1e8ed;font-size:12px}.notice.good{background:#e3eee6;border-color:#42865d;color:#305a3e}.notice.warning{background:#fff0d5;border-color:#bb822a;color:#7e5519}.station{display:grid;grid-template-columns:minmax(280px,1.35fr) minmax(230px,.85fr) minmax(290px,1fr);margin:0 24px;border:1px solid #c4cfd6;border-radius:8px;background:linear-gradient(#fafcfd,#e3e9ed);min-height:278px}.section-title{font-size:10px;font-weight:700;letter-spacing:1.1px;display:flex;justify-content:space-between;gap:10px;color:#536b7a}.section-title span:last-child{font-size:9px;font-weight:500}.machine{padding:17px 18px 10px;text-align:center}.motor{width:100%;height:208px;object-fit:contain;display:block;transform:none}.machine p{font-size:10px;color:#6c7d88;margin:5px 0}.output{padding:17px 20px;text-align:center;border-left:1px solid #ccd5da;border-right:1px solid #ccd5da}.output-top{display:flex;justify-content:space-between;align-items:center}.channel{font:700 15px Consolas,monospace}.quality{font-size:9px;letter-spacing:1px;color:#607682;padding:5px 7px;background:#dfe6eb;border-radius:3px}.pilot{width:88px;height:90px;object-fit:contain;margin:12px auto 0;filter:grayscale(1) brightness(.7)}h2{font-size:14px;margin:5px 0;color:#60717d;font-weight:500}.value{font-size:20px;line-height:1.25;margin:8px 0 12px;font-weight:650}.stamp{font-size:10px;color:#697f8c;margin:0}.output.active:not(.history) .pilot{filter:drop-shadow(0 0 8px #47b64670)}.output.active:not(.history) .value{color:#287047}.output.history .value{color:#916224}.output.history .quality{background:#f7e5c6;color:#81551e}.output.history .pilot{filter:grayscale(1) brightness(.65)}.controls{padding:17px 18px}.buttons{display:flex;justify-content:center;gap:18px;margin-top:20px}button{font:inherit;width:130px;padding:5px 8px 12px;border:1px solid #b9c5ce;border-radius:7px;background:linear-gradient(135deg,#dce4e9,#fbfcfd,#d5dee4);box-shadow:inset 0 1px white,0 2px 4px #52677320;cursor:pointer;color:#315c47}button img{display:block;width:100%;height:101px;object-fit:contain;filter:drop-shadow(0 3px 2px #243b4540);transition:transform 80ms,filter 80ms;pointer-events:none}button:active:not(:disabled) img{transform:translateY(4px) scale(.97);filter:brightness(.9)}button span{display:block;font-weight:800;letter-spacing:1px;font-size:14px}button small{display:block;font-size:9px;margin-top:4px;color:#6c7f8b}.stop{color:#ac2331;border-color:#cb979c;background:linear-gradient(135deg,#eadbdf,#fff8f8,#e6d7dc)}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible{outline:3px solid #2476a0;outline-offset:4px}.control-note{font-size:10px;text-align:center;line-height:1.6;margin:12px 0 0;color:#697f8c}.command-status{padding:12px 24px;border-bottom:1px solid #c8d3da}.label{display:block;font-size:9px;letter-spacing:1px;color:#6d808d}.command-status p{font-size:12px;margin:5px 0;line-height:1.4}.command-status p:empty{display:none}.command-status small,.log small{font-size:10px;color:#72838e}.lower{display:grid;grid-template-columns:1fr 1fr;gap:22px;padding:15px 24px}.log,.diagnostics{min-width:0}.log pre{font:11px/1.8 Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere;height:76px;overflow:auto;background:#e4eaee;border:1px solid #c6d2da;border-radius:4px;padding:7px 10px;margin:9px 0 5px}.connections,.telemetry{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}strong{display:block;font-size:11px;font-weight:600;margin-top:4px}footer{display:flex;justify-content:space-between;gap:15px;border-top:1px solid #cbd5db;padding:9px 24px;font-size:9px;color:#71828e}footer p{margin:0}footer>span{white-space:nowrap}@media(min-width:1600px){body{padding:35px}.station{min-height:370px}.motor{height:290px}.pilot{width:118px;height:135px}.buttons{margin-top:45px}button{width:145px}button img{height:128px}.log pre{height:125px}.value{font-size:25px}.lower{padding-top:22px;padding-bottom:22px}}@media(max-width:1000px){.station{grid-template-columns:1fr 1fr}.controls{grid-column:1/-1}.buttons{margin-top:10px}.lower{grid-template-columns:1fr}.output{border-right:0}.tag{font-size:8px}}@media(max-width:600px){body{padding:8px}header{gap:12px;padding:14px;flex-wrap:wrap}.brand{font-size:22px;padding-right:12px}h1{font-size:20px}.tag{margin-left:0}.station{grid-template-columns:1fr;margin:0 12px}.output{border:0;border-top:1px solid #ccd5da}.notice{margin:12px}.lower,.command-status{padding:12px}.connections,.telemetry{grid-template-columns:1fr}footer{flex-wrap:wrap;padding:12px}.motor{height:200px}}@media(prefers-reduced-motion:reduce){button img{transition:none}}

/* Acceso del operador: se conserva el panel industrial existente. */
.session-button{font:inherit;padding:9px 14px;border:1px solid #8b989f;border-radius:5px;background:#f5f7f8;color:#24333c;cursor:pointer}
.login-panel{max-width:440px;margin:8vh auto;padding:28px;background:#f3f5f6;border:1px solid #aab5bc;border-radius:10px}
.login-panel form{display:grid;gap:18px;margin:24px 0}
.login-panel label{display:grid;gap:7px;font-weight:600}
.login-panel input{width:100%;padding:12px;font:inherit;border:1px solid #8b989f;border-radius:5px;background:white}
.login-panel button{padding:12px;font:inherit;font-weight:700;background:#234d5c;color:white;border:0;border-radius:5px;cursor:pointer}
.login-panel button:disabled{opacity:.6}