/* SeaVint 3D trainer UI. Chart-tint palette shared with the web app. */
:root{
  --sea:#dfe9ec; --sea2:#c9dbe1; --paper:#fbfcfb; --ink:#14232e; --ink2:#41525e; --muted:#6d7d88;
  --rule:#cfdadf; --mag:#a3286f; --mag-ink:#fff; --buff:#efe3bf; --ok:#2f7d55; --bad:#c2412d;
  --display:"Geologica",system-ui,sans-serif; --body:"Onest",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%;margin:0}
body{background:var(--sea);color:var(--ink);font:15px/1.5 var(--body);overflow:hidden;-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--mag);outline-offset:2px}

.sv-app{height:100%;display:grid;grid-template-columns:minmax(0,1fr) 380px}
.sv-stage{position:relative;min-width:0;overflow:hidden;background:radial-gradient(120% 90% at 40% 35%,#f4f8f8 0%,var(--sea) 55%,var(--sea2) 100%)}
.sv-stage canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab;outline:none}
.sv-stage canvas.hot{cursor:pointer}
.sv-stage canvas:active{cursor:grabbing}

/* depth-contour texture in the stage corner: purely atmospheric, very faint */
.sv-stage::before{content:"";position:absolute;inset:auto -10% -30% auto;width:70%;height:80%;pointer-events:none;opacity:.35;
  background:repeating-radial-gradient(circle at 80% 90%,transparent 0 26px,rgba(20,35,46,.07) 26px 27px)}

.sv-head{position:absolute;left:24px;top:20px;right:24px;display:flex;justify-content:space-between;gap:16px;align-items:flex-start;pointer-events:none}
.sv-title{pointer-events:auto;max-width:560px}
.sv-title h1{font:650 clamp(24px,2.6vw,34px)/1.05 var(--display);letter-spacing:-.01em;margin:0}
.sv-title p{margin:6px 0 0;color:var(--ink2);font-size:14px}
.sv-plate{display:flex;flex-wrap:wrap;gap:4px 16px;margin-top:10px;font-size:12.5px;color:var(--ink2)}
.sv-plate span b{font-weight:600;color:var(--ink)}

.sv-tools{pointer-events:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.sv-btn{border:1px solid var(--rule);background:rgba(251,252,251,.86);backdrop-filter:blur(8px);border-radius:10px;padding:7px 12px;font-size:13.5px;cursor:pointer;display:inline-flex;gap:7px;align-items:center;white-space:nowrap}
.sv-btn:hover{border-color:var(--ink2)}
.sv-btn[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.sv-btn svg{width:16px;height:16px;flex:none}
.sv-btn.primary{background:var(--mag);border-color:var(--mag);color:var(--mag-ink)}
.sv-btn.primary:hover{filter:brightness(1.08)}
.sv-slider{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--rule);background:rgba(251,252,251,.86);backdrop-filter:blur(8px);border-radius:10px;padding:5px 12px;font-size:13.5px}
.sv-slider input{width:110px;accent-color:var(--mag)}

.sv-hint{position:absolute;left:24px;bottom:18px;font-size:12.5px;color:var(--muted);pointer-events:none;max-width:60%}
.sv-tip{position:absolute;pointer-events:none;background:var(--ink);color:var(--paper);font-size:12.5px;padding:4px 9px;border-radius:7px;white-space:nowrap;transform:translate(14px,14px);opacity:0;transition:opacity .12s}

.sv-card{position:absolute;right:20px;bottom:20px;width:min(360px,calc(100% - 40px));background:var(--paper);border-radius:16px;box-shadow:0 18px 50px -18px rgba(20,35,46,.45),0 0 0 1px rgba(20,35,46,.06);padding:18px 18px 16px;transform-origin:bottom right;animation:svIn .18s ease-out}
@keyframes svIn{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
.sv-card .sys{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink2)}
.sv-card .band{width:26px;height:8px;border-radius:2px;flex:none}
.sv-card h3{font:650 22px/1.15 var(--display);margin:6px 30px 2px 0}
.sv-card .en{color:var(--muted);font-size:13px;margin-bottom:10px}
.sv-card dl{display:grid;grid-template-columns:auto 1fr;gap:5px 14px;margin:0 0 10px;font-size:13.5px}
.sv-card dt{color:var(--muted)}
.sv-card dd{margin:0;font-weight:500}
.sv-card .pn{font-family:var(--mono);font-size:13px;font-weight:500;letter-spacing:.01em}
.sv-card p{margin:0 0 8px;font-size:14px;color:var(--ink2)}
.sv-card .serv{background:var(--buff);border-radius:10px;padding:8px 10px;font-size:13.5px;color:var(--ink);margin-bottom:10px}
.sv-card .acts{display:flex;gap:8px;flex-wrap:wrap}
.sv-x{position:absolute;right:10px;top:10px;width:30px;height:30px;border-radius:8px;border:0;background:transparent;cursor:pointer;display:grid;place-items:center;color:var(--muted)}
.sv-x:hover{background:var(--sea)}

.sv-toast{position:absolute;left:50%;top:22px;transform:translateX(-50%);background:var(--ink);color:var(--paper);border-radius:10px;padding:8px 14px;font-size:14px;opacity:0;transition:opacity .2s;pointer-events:none;max-width:80%}
.sv-toast.ok{background:var(--ok)}.sv-toast.bad{background:var(--bad)}
.sv-ring{position:absolute;width:54px;height:54px;transform:translate(-50%,-50%);pointer-events:none}
.sv-ring circle{fill:none;stroke-width:5}

/* side panel */
.sv-side{background:var(--paper);border-left:1px solid var(--rule);display:flex;flex-direction:column;min-height:0}
.sv-tabs{display:flex;gap:4px;padding:12px 14px 0}
.sv-tabs button{flex:1;border:0;background:transparent;padding:9px 6px;border-radius:9px;cursor:pointer;font-weight:550;color:var(--ink2)}
.sv-tabs button[aria-selected="true"]{background:var(--sea);color:var(--ink)}
.sv-pane{flex:1;min-height:0;display:flex;flex-direction:column}
.sv-search{margin:12px 14px 6px;border:1px solid var(--rule);border-radius:10px;padding:9px 12px;font:inherit;background:#fff}
.sv-scroll{overflow-y:auto;flex:1;min-height:0;padding:0 6px 14px}
.sv-group{margin:12px 8px 2px;display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ink2)}
.sv-group .band{width:18px;height:6px;border-radius:2px}
.sv-item{display:grid;grid-template-columns:1fr auto;gap:2px 10px;width:100%;text-align:left;border:0;background:transparent;border-radius:10px;padding:8px 10px;cursor:pointer}
.sv-item:hover{background:var(--sea)}
.sv-item[aria-current="true"]{background:var(--ink);color:var(--paper)}
.sv-item[aria-current="true"] small{color:#c9d5db}
.sv-item small{color:var(--muted);font-size:12px}
.sv-item .pn{font-family:var(--mono);font-size:11.5px;color:var(--muted);align-self:center}
.sv-item[aria-current="true"] .pn{color:#c9d5db}

.sv-procs{display:flex;flex-wrap:wrap;gap:6px;padding:12px 14px 4px}
.sv-procs button{border:1px solid var(--rule);background:#fff;border-radius:999px;padding:6px 12px;font-size:13px;cursor:pointer}
.sv-procs button[aria-pressed="true"]{border-color:var(--mag);color:var(--mag);font-weight:600}
.sv-ph{padding:8px 18px 6px}
.sv-ph h2{font:650 19px/1.2 var(--display);margin:0}
.sv-ph .src{font-size:13px;color:var(--ink2);margin-top:3px}
.sv-ph .src button{border:0;background:none;padding:0;color:var(--mag);cursor:pointer;text-decoration:underline;text-underline-offset:2px}
.sv-mode{display:flex;gap:6px;margin-top:10px}
.sv-mode button{flex:1}
.sv-progress{height:4px;background:var(--sea);border-radius:2px;margin-top:10px;overflow:hidden}
.sv-progress i{display:block;height:100%;width:0;background:var(--mag);transition:width .3s}
.sv-stats{display:flex;gap:16px;font-size:13px;color:var(--ink2);margin-top:8px}
.sv-stats b{color:var(--ink);font-variant-numeric:tabular-nums}
.sv-steps{list-style:none;margin:0;padding:6px 6px 10px;counter-reset:s}
.sv-steps li{counter-increment:s}
.sv-steps li>button{all:unset;box-sizing:border-box;display:grid;grid-template-columns:30px 1fr;gap:8px;width:100%;padding:9px 12px;border-radius:10px;cursor:pointer}
.sv-steps li>button::before{content:counter(s);font-weight:650;font-variant-numeric:tabular-nums;color:var(--muted);text-align:right;padding-right:4px}
.sv-steps li>button:hover{background:var(--sea)}
.sv-steps li[aria-current="step"]>button{background:var(--sea)}
.sv-steps li[aria-current="step"]>button::before{color:var(--mag)}
.sv-steps li.done>button{color:var(--muted)}
.sv-steps li.done>button::before{content:"";background:var(--ok);-webkit-mask:var(--chk) center/14px no-repeat;mask:var(--chk) center/14px no-repeat}
.sv-steps .meta{display:block;font-size:12.5px;color:var(--muted);margin-top:3px}
.sv-steps .warn{display:block;font-size:13px;color:var(--bad);margin-top:4px}
.sv-steps .spec{display:block;font-size:13px;color:var(--ink);background:var(--buff);border-radius:6px;padding:2px 7px;margin-top:4px;width:fit-content}
.sv-nav{display:flex;gap:8px;padding:10px 14px 14px;border-top:1px solid var(--rule)}
.sv-nav .sv-btn{flex:1;justify-content:center}
:root{--chk:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3.2 3L13 4.5' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}

.sv-done{margin:10px 14px;padding:14px;border-radius:12px;background:var(--sea);font-size:14px}
.sv-done h3{font:650 18px/1.2 var(--display);margin:0 0 4px}

@media (max-width:900px){
  body{overflow:auto}
  .sv-app{grid-template-columns:1fr;grid-template-rows:62vh auto;height:auto;min-height:100%}
  .sv-side{border-left:0;border-top:1px solid var(--rule);min-height:60vh}
  .sv-head{left:14px;right:14px;top:12px;flex-direction:column}
  .sv-tools{justify-content:flex-start}
  .sv-card{right:12px;left:12px;bottom:12px;width:auto}
  .sv-hint{display:none}
}
@media (prefers-reduced-motion:reduce){.sv-card{animation:none}*{transition:none!important}}

/* thumbnail mode for library covers */
.sv-cover .sv-app{grid-template-columns:1fr}.sv-cover .sv-side,.sv-cover .sv-head,.sv-cover .sv-hint{display:none!important}
.sv-cover .sv-card .acts{display:none}
.sv-cover .sv-card{bottom:auto;top:auto;right:24px;bottom:84px}
.sv-cover .sv-app{height:100%!important;grid-template-columns:1fr!important;grid-template-rows:1fr!important}.sv-cover{overflow:hidden!important}
.sv-embed .sv-title{display:none}.sv-embed .sv-head{justify-content:flex-end}