:root{--bg:#08121e;--panel:#0e1c2b;--line:#23384b;--text:#eaf3fa;--muted:#91a5b7;--cyan:#32d5df;--blue:#3c82f6;--warn:#efb84a}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 20% 0,#132d46 0,var(--bg) 42%);color:var(--text);font:14px Inter,"IBM Plex Sans","Segoe UI",sans-serif}.shell{max-width:1500px;margin:auto;padding:26px}header{display:flex;align-items:center;gap:18px;margin-bottom:22px}.brand{display:flex;align-items:center;gap:9px;font-weight:700;white-space:nowrap}.mark{display:grid;place-items:center;width:30px;height:30px;background:linear-gradient(135deg,var(--cyan),var(--blue));border-radius:9px;color:#071421}h1,h2,p{margin:0}h1{font-size:22px;letter-spacing:-.4px}h2{font-size:16px;margin-bottom:7px}header p,.section-head p,.method p{color:var(--muted);margin-top:5px}nav{display:flex;gap:22px;padding:12px 0 18px;border-bottom:1px solid var(--line);color:#7890a4;font-size:12px;overflow:auto}nav .active{color:var(--cyan);font-weight:700}.panel{background:rgba(14,28,43,.9);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:0 12px 35px #02070c45;margin-top:20px}.upload{text-align:center;padding:54px 22px;border-style:dashed}.upload p{color:var(--muted);margin:10px auto 20px;max-width:520px}button,.button{display:inline-block;background:linear-gradient(135deg,var(--cyan),#36a4ee);color:#06131d;border:0;border-radius:8px;padding:10px 16px;font-weight:800;cursor:pointer;text-decoration:none;transition:transform .18s,filter .18s}button:hover,.button:hover{transform:translateY(-2px);filter:brightness(1.08)}.status{min-height:22px;margin-top:14px;color:var(--muted)}.hidden{display:none!important}.section-head,.results-top{display:flex;justify-content:space-between;gap:18px;align-items:start}.badge{color:var(--cyan);border:1px solid #236b73;border-radius:99px;padding:5px 9px;font-size:11px}.table{width:100%;border-collapse:collapse;margin:20px 0}.table th,.table td{text-align:left;padding:10px;border-bottom:1px solid var(--line)}.table th{color:var(--muted);font-weight:600}.mapping-grid{display:grid;grid-template-columns:repeat(3,minmax(190px,1fr));gap:12px}.mapping-grid label,.method label{display:flex;flex-direction:column;gap:6px;color:#adc0cf;font-size:12px}select{background:#0a1622;border:1px solid var(--line);border-radius:7px;color:var(--text);padding:9px}.method{border-top:1px solid var(--line);margin-top:20px;padding-top:16px;display:flex;align-items:end;justify-content:space-between;gap:20px}.kpis{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:18px 0}.kpi{background:linear-gradient(145deg,#10243a,#0d1a29);border:1px solid var(--line);border-radius:11px;padding:14px}.kpi label{display:block;color:var(--muted);font-size:11px}.kpi strong{font-size:20px;margin:5px 0;display:block}.kpi small{color:#9fcddd}.plot{height:620px}.plot.small{height:420px}.two-col{display:grid;grid-template-columns:2fr 1fr;gap:20px}.method-row,.qc-row{border-bottom:1px solid var(--line);padding:10px 0}.method-row b{display:block;font-size:12px}.method-row span,.qc-row{color:var(--muted);font-size:12px}.busy{position:fixed;inset:0;background:#06101be6;display:grid;place-items:center;z-index:5}.busy>div{background:#10243a;padding:25px 35px;border:1px solid var(--line);border-radius:14px;text-align:center}.busy p{color:var(--muted);margin-top:8px}.spinner{display:inline-block;width:18px;height:18px;border:2px solid #4b7590;border-top-color:var(--cyan);border-radius:50%;vertical-align:middle;margin-right:8px;animation:spin .75s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:900px){.kpis{grid-template-columns:repeat(2,1fr)}.mapping-grid,.two-col{grid-template-columns:1fr}.method{align-items:start;flex-direction:column}.plot{height:500px}} 

/* Theme controls */
body.light-theme{--bg:#f2f6fa;--panel:#fff;--line:#d8e2ea;--text:#132333;--muted:#597082;--cyan:#087d87;--blue:#2867cb;--plot:#fff;background:radial-gradient(circle at 15% 0,#d9f2f5 0,var(--bg) 43%)}
body.light-theme .panel{background:#fff;box-shadow:0 12px 35px #aebdca55}body.light-theme .kpi{background:linear-gradient(145deg,#fff,#f4f8fb)}body.light-theme select{background:#fff;color:#132333}body.light-theme .busy{background:#edf4fae8}body.light-theme .busy>div{background:#fff}
.brand img{width:36px;height:36px;object-fit:contain}.header-title{flex:1}.theme-toggle{display:flex;align-items:center;gap:5px;padding:4px 6px;background:var(--panel);border:1px solid var(--line);color:var(--muted);border-radius:99px;box-shadow:none}.toggle-thumb{width:17px;height:17px;border-radius:50%;background:var(--cyan);transition:transform .2s}body.light-theme .toggle-thumb{transform:translateX(20px)}
/* Compact product header */
header{min-height:88px;padding:10px 0;border-bottom:1px solid var(--line)}
.brand img{width:142px;height:62px;object-fit:contain;object-position:left center}
.theme-toggle{width:46px;height:46px;justify-content:center;padding:0;font-size:19px;transition:transform .18s,background .18s,color .18s}.theme-toggle:hover{transform:translateY(-2px);background:var(--panel);color:var(--cyan)}
.toggle-thumb{display:none}
/* Reference-style application header */
header{width:100vw;margin-left:calc(50% - 50vw);margin-bottom:22px;padding:8px 70px;min-height:88px;background:#101617;border-bottom:1px solid #2b373d;gap:0}
body.light-theme header{background:#ffffff;border-bottom-color:#d8e2ea}
.brand{height:70px}.brand img{width:166px;height:70px;object-fit:contain;object-position:left center}
.theme-toggle{margin-left:auto;width:48px;height:48px;border-color:#354149;background:#151d21;color:#f1f5f6}
.theme-toggle:hover{background:#202b31;color:#43d3dc}body.light-theme .theme-toggle{background:#f4f7f8;color:#1c3038;border-color:#d2dde2}
@media(max-width:640px){header{padding:8px 22px}.brand img{width:136px;height:62px}}
/* Transparent wordmark and production-style title card */
.brand img{width:178px;height:74px;object-fit:contain;object-position:left center;background:transparent}
.product-hero{width:calc(100vw - 196px);height:188px;margin:34px 0 0 calc(50% - 50vw + 98px);display:flex;align-items:center;justify-content:center;border-radius:30px;background:radial-gradient(circle at 100% 15%,#40382d 0 16%,transparent 16.2%),linear-gradient(100deg,#101415 0%,#151b1b 48%,#0e3327 100%);box-shadow:0 14px 28px #0000002b;overflow:hidden}.product-hero h2{margin:0;color:#f7f8f7;font-size:clamp(24px,3.2vw,58px);font-weight:800;letter-spacing:.08em;text-align:center}
body.light-theme .product-hero{background:radial-gradient(circle at 100% 15%,#d8c9b4 0 16%,transparent 16.2%),linear-gradient(100deg,#e9f0f0,#eef3f2 48%,#d4eee1);box-shadow:0 14px 28px #50687525}body.light-theme .product-hero h2{color:#14332d}
.product-hero + nav{margin-top:22px}@media(max-width:760px){.product-hero{width:calc(100vw - 44px);height:128px;margin-left:calc(50% - 50vw + 22px);border-radius:20px}.product-hero h2{padding:18px;letter-spacing:.04em}.brand img{width:145px;height:66px}}
/* Drake enterprise navigation treatment; workflow content remains unchanged. */
:root{--bg:#050b12;--panel:#0b1627;--line:#1b334f;--text:#f2f6fb;--muted:#94afd0}
header{height:96px;min-height:96px;padding:10px 70px;background:#070e1b;border-bottom:1px solid #21314a;display:flex;align-items:center}
.brand{height:74px;flex:0 0 220px}.brand img{width:170px;height:74px}
.module-nav{display:flex;align-items:center;gap:6px;flex:1;min-width:0}.module-nav a{color:#eaf2fd;text-decoration:none;font-weight:700;font-size:15px;padding:16px 17px;border:1px solid transparent;border-radius:10px;white-space:nowrap;transition:.18s ease}.module-nav a span{color:#7fa1c8;margin-left:6px}.module-nav a:hover{background:#101e31;border-color:#263a56}.module-nav .module-active{background:linear-gradient(135deg,#381626,#151a2a);border-color:#d23148;color:#fff}
.header-tools{margin-left:auto;display:flex;gap:9px;align-items:center}.header-icon,.theme-toggle{display:grid;place-items:center;width:48px;height:48px;border:1px solid #223753;border-radius:10px;background:#0b1627;color:#f4f8fc;text-decoration:none;font-size:22px}.theme-toggle{border-radius:50%;margin:0}.header-icon:hover,.theme-toggle:hover{background:#14243a;color:#35d6df}
body.light-theme header{background:#fff;border-color:#d6e0ea}body.light-theme .module-nav a{color:#172b42}body.light-theme .module-nav a:hover{background:#f2f6fa;border-color:#d6e0ea}body.light-theme .module-nav .module-active{color:#222;background:linear-gradient(135deg,#fff0f2,#f6f8fb);border-color:#df5365}body.light-theme .header-icon{background:#fff;color:#183149;border-color:#d4e0e9}
@media(max-width:1100px){.module-nav a{padding:12px 9px;font-size:13px}.brand{flex-basis:190px}.brand img{width:150px}}@media(max-width:760px){header{height:auto;min-height:76px;padding:6px 20px}.module-nav{display:none}.brand{flex-basis:auto}.brand img{width:145px;height:64px}.header-icon{display:none}}
/* Minimal header: logo and theme icon only. */
header{justify-content:space-between}.brand{flex:0 0 auto}.header-tools{margin-left:auto}.header-icon,.module-nav{display:none!important}
/* Uploaded LAS well details */
.well-details{padding:28px}.well-details-kicker{margin:0 0 16px;color:#ff4053;font-size:12px;font-weight:800;letter-spacing:.28em}.well-details>h2{margin:0 0 24px;font-size:30px;font-weight:500}.well-details-grid{display:grid;grid-template-columns:repeat(6,minmax(150px,1fr));gap:14px}.well-detail-card{min-height:82px;padding:16px;border:1px solid var(--line);border-radius:14px;background:#0b1527;display:flex;flex-direction:column;justify-content:center;gap:7px}.well-detail-card span{color:#93b4d9;font-size:13px}.well-detail-card strong{color:var(--text);font-size:17px;overflow-wrap:anywhere}body.light-theme .well-detail-card{background:#f8fbfd}@media(max-width:1100px){.well-details-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:640px){.well-details-grid{grid-template-columns:1fr}.well-details>h2{font-size:25px}}
/* Geomechanical model workflow */
.model-tabs{display:flex;gap:8px;padding:8px;margin:18px 0;border:1px solid var(--line);border-radius:10px;background:#081322;overflow-x:auto}.analysis-launch,.ml-launch{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:18px 0}.analysis-launch span,.ml-launch span{color:var(--muted);font-size:12px}.ml-launch button{background:#0b1627;color:#b9d0e9;border:1px solid var(--line)}.model-tabs button{flex:0 0 auto;padding:9px 15px;border:1px solid var(--line);border-radius:7px;background:#0b1627;color:#b9d0e9;font-weight:700;box-shadow:none}.model-tabs button:hover{transform:none;border-color:#35d6df}.model-tabs button.active{background:#123254;border-color:#35d6df;color:#fff}.model-heading{margin:20px 0 14px}.model-heading .well-details-kicker{margin-bottom:8px}.model-heading h2{font-size:20px}.model-heading>p:last-child{color:var(--muted);margin-top:6px}.model-input-hidden{display:none!important}.model-results{margin-bottom:20px}.model-results .results-top p{color:var(--muted);margin-top:5px}.table-scroll{overflow:auto;max-height:520px;margin-top:14px}.model-table{margin:0;min-width:680px}.model-table thead{position:sticky;top:0;background:var(--panel);z-index:1}.model-table td,.model-table th{white-space:nowrap;font-variant-numeric:tabular-nums}body.light-theme .model-tabs,body.light-theme .model-tabs button{background:#f7fafc}body.light-theme .model-tabs button.active{background:#e0f4f6;color:#123}@media(max-width:640px){.model-tabs{padding:6px}.model-tabs button{padding:8px 11px}}
/* Per-model manual depth interval */
.depth-filter{display:grid;grid-template-columns:minmax(180px,260px) minmax(180px,260px) 1fr;gap:14px;align-items:end;margin:16px 0}.depth-filter label{display:flex;flex-direction:column;gap:6px;color:#adc0cf;font-size:12px}.depth-filter label em{color:var(--muted)}.depth-filter input{width:100%;padding:10px;border:1px solid var(--line);border-radius:7px;background:#0a1622;color:var(--text);font:inherit}.depth-filter p{color:var(--muted);padding-bottom:10px}body.light-theme .depth-filter input{background:#fff;color:#132333}@media(max-width:760px){.depth-filter{grid-template-columns:1fr}.depth-filter p{padding-bottom:0}}
.two-col.single-column{grid-template-columns:1fr}

/* Final Export crossplots use only aligned finite samples from the uploaded LAS interval. */
.crossplot-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:18px}.crossplot-card{min-width:0;padding:18px;border:1px solid var(--line);border-radius:12px;background:#0b1627}.crossplot-card h3{margin:0;color:#a9c6eb;font-size:13px;letter-spacing:.04em;text-transform:uppercase}.crossplot{height:330px;margin-top:4px}body.light-theme .crossplot-card{background:#f8fbfd}@media(max-width:900px){.crossplot-grid{grid-template-columns:1fr}.crossplot{height:360px}}

/* Multi-track geomechanical log QC summary */
.log-qc-summary{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 4px}.log-qc-item{border:1px solid var(--line);border-radius:999px;padding:5px 9px;color:var(--muted);font-size:11px}.log-qc-item strong{color:var(--text)}.log-qc-item.has-flags{border-color:#8c3540;color:#ef8d96}.log-qc-note{width:100%;color:var(--muted);font-size:11px}
/* Explicit training-well to prediction-well workflow */
.prediction-upload{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:16px;padding:18px;border:1px dashed var(--line);border-radius:10px;background:#081322}.prediction-upload h3{margin:3px 0 5px;font-size:15px}.prediction-upload p:not(.well-details-kicker){color:var(--muted)}.prediction-upload .status{margin-top:7px}.prediction-upload button{flex:0 0 auto}body.light-theme .prediction-upload{background:#f7fafc}@media(max-width:700px){.prediction-upload{align-items:flex-start;flex-direction:column}}

/* Single-title application header (navigation intentionally removed). */
.header-heading{flex:1;min-width:0;padding:0 28px;text-align:center}
.header-heading span{display:block;margin-bottom:5px;color:var(--cyan);font-size:11px;font-weight:800;letter-spacing:.3em}
.header-heading h1{margin:0;color:var(--text);font-size:clamp(18px,2vw,30px);font-weight:800;letter-spacing:.08em;overflow-wrap:anywhere}
body.light-theme .header-heading h1{color:#132333}

/* Four ML cards consume the complete panel width without content collision. */
#mlMetricsCards{width:100%;grid-template-columns:repeat(4,minmax(0,1fr));align-items:stretch}
#mlMetricsCards .kpi{min-width:0;width:100%;height:100%;overflow:hidden}
#mlMetricsCards .kpi label,#mlMetricsCards .kpi small,#mlMetricsCards .badge{max-width:100%;overflow-wrap:anywhere;word-break:normal;white-space:normal}
#mlMetricsCards .kpi label{line-height:1.45}
#mlMetricsCards .kpi .badge{display:flex;width:fit-content;margin-top:9px;line-height:1.35}
#mlMetricsCards .kpi strong{margin-top:10px}
@media(max-width:1050px){#mlMetricsCards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){header{gap:10px}.header-heading{padding:0 8px;text-align:left}.header-heading span{letter-spacing:.18em}.header-heading h1{font-size:16px;letter-spacing:.035em}#mlMetricsCards{grid-template-columns:1fr}}
/* Fixed application identity bar; reserve its exact height in page flow. */
.shell{padding-top:122px}
header{position:fixed;z-index:100;top:0;left:0;width:100%;margin:0;height:96px;min-height:96px;padding:10px 70px;box-shadow:0 8px 24px #00000038}
@media(max-width:640px){.shell{padding-top:102px}header{height:76px;min-height:76px;padding:6px 20px}.brand,.brand img{height:62px}.brand img{width:136px}}.analysis-workspace{display:grid;grid-template-columns:250px minmax(0,1fr);gap:22px;align-items:start;margin-top:18px}.analysis-sidebar{position:sticky;top:118px;min-width:0;padding:12px;border:1px solid var(--line);border-radius:12px;background:#081322}.analysis-sidebar .analysis-launch,.analysis-sidebar .ml-launch{display:grid;gap:8px;margin:0}.analysis-sidebar .analysis-launch button,.analysis-sidebar .ml-launch button{width:100%}.analysis-sidebar .model-tabs{display:grid;gap:8px;margin:12px 0;padding:0;border:0;background:transparent;overflow:visible}.analysis-sidebar .model-tabs button{width:100%;text-align:left;white-space:normal}.analysis-content{min-width:0}.analysis-sidebar .ml-launch span,.analysis-sidebar .analysis-launch span{line-height:1.4}body.light-theme .analysis-sidebar{background:#f7fafc}@media(max-width:900px){.analysis-workspace{grid-template-columns:1fr}.analysis-sidebar{position:static}.analysis-sidebar .model-tabs{display:flex;overflow-x:auto;padding:6px;border:1px solid var(--line)}.analysis-sidebar .model-tabs button{width:auto;white-space:nowrap}.analysis-sidebar .analysis-launch,.analysis-sidebar .ml-launch{display:flex}}.primary-workspace{display:grid;grid-template-columns:minmax(300px,32%) minmax(0,1fr);gap:20px;align-items:start}.upload-rail{position:sticky;top:118px;min-width:0}.workspace-main{min-width:0}.upload-rail .upload{margin-top:0;padding:22px;text-align:left;border-style:solid}.upload-rail .upload>h2{font-size:28px;font-weight:500;margin-bottom:20px}.upload-rail .upload .well-details-kicker{margin-bottom:14px}.upload-dropzone{min-height:270px;padding:28px;border:2px dashed #40536b;border-radius:14px;background:#091523}.upload-dropzone h3{margin:0 0 10px;font-size:16px}.upload-dropzone p{margin:0 0 20px;line-height:1.65}.upload-dropzone .status{margin-top:18px;color:#20d6ad;overflow-wrap:anywhere}body.light-theme .upload-dropzone{background:#f8fbfd;border-color:#b6c5d3}@media(max-width:1050px){.primary-workspace{grid-template-columns:1fr}.upload-rail{position:static}.upload-dropzone{min-height:0}.workspace-main{min-width:0}}.upload-rail .analysis-sidebar{position:static;margin-top:16px}.workspace-main .analysis-workspace{display:block;margin-top:18px}.upload-rail{padding:22px;background:rgba(14,28,43,.9);border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 35px #02070c45}.upload-rail .upload{padding:0;margin:0;background:transparent;border:0;border-radius:0;box-shadow:none}.upload-rail .analysis-sidebar{margin:18px 0 0;padding:18px 0 0;background:transparent;border:0;border-top:1px solid var(--line);border-radius:0}.upload-rail .analysis-sidebar .analysis-launch{padding:0}.upload-rail .analysis-sidebar .model-tabs{margin-left:0;margin-right:0}body.light-theme .upload-rail{background:rgba(255,255,255,.94)}body.light-theme .upload-rail .analysis-sidebar{background:transparent}@media(min-width:1051px){html,body{height:100%;overflow:hidden}.shell{height:100vh;max-height:100vh;overflow:hidden}.primary-workspace{height:calc(100vh - 148px);overflow:hidden}.upload-rail,.workspace-main{height:100%;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:none;-ms-overflow-style:none}.upload-rail::-webkit-scrollbar,.workspace-main::-webkit-scrollbar{display:none;width:0;height:0}.upload-rail{position:static}.workspace-main{padding-right:8px}}.upload-rail .ml-launch button{background:linear-gradient(135deg,var(--cyan),#36a4ee);color:#06131d;border:1px solid #4ae6ee;box-shadow:0 0 0 1px #32d5df38,0 8px 22px #1aaed733}.upload-rail .ml-launch button.active{background:linear-gradient(135deg,#55e8ef,#3c82f6);border-color:#fff;box-shadow:0 0 0 2px #32d5df55,0 10px 28px #1aaed766}body.light-theme .upload-rail .ml-launch button{color:#06131d}