/* SteelFrame Studio — design system. Dark, dense, monospace-forward data
   surfaces; steel-blue accent. One stylesheet, custom properties first. */

:root {
  --bg: #0f1317;          /* app background */
  --bg1: #151b21;         /* panel */
  --bg2: #1b232b;         /* raised / hover */
  --bg3: #232d37;         /* active */
  --border: #26313c;
  --fg: #d7dee6;
  --dim: #8494a3;
  --faint: #5a6875;
  --acc: #5f93c4;         /* steel blue */
  --acc-strong: #7fb0dd;
  --ok: #4cc38a;
  --warn: #d4a72c;
  --err: #e5534b;
  --sel: #2e4c68;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --cell-h: 1.25em;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg); color: var(--fg);
  font: 13px/1.45 var(--sans);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--sel); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #2d3944; border-radius: 5px; border: 2px solid var(--bg1); }
::-webkit-scrollbar-track { background: transparent; }

#shell { display: flex; height: 100vh; }
#maincol { flex: 1; display: flex; flex-direction: column; min-width: 0; }

/* ---------------------------------------------------------- activity bar */
#activity {
  width: 46px; background: var(--bg1); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; align-items: center; padding-top: 6px; gap: 2px;
}
#activity .act {
  width: 38px; height: 38px; border-radius: 8px; display: flex; align-items: center;
  justify-content: center; font-size: 17px; cursor: pointer; color: var(--dim);
  border: 1px solid transparent; user-select: none; position: relative;
}
#activity .act:hover { background: var(--bg2); color: var(--fg); }
#activity .act.sel { background: var(--bg3); color: var(--acc-strong); border-color: var(--border); }
#activity .act .tip {
  position: absolute; left: 46px; top: 8px; background: var(--bg3); color: var(--fg);
  padding: 2px 8px; border-radius: 4px; white-space: nowrap; font-size: 12px;
  border: 1px solid var(--border); display: none; z-index: 40;
}
#activity .act:hover .tip { display: block; }
#activity .spacer { flex: 1; }

/* --------------------------------------------------------------- top bar */
#topbar {
  height: 38px; display: flex; align-items: center; gap: 10px; padding: 0 10px;
  background: var(--bg1); border-bottom: 1px solid var(--border);
}
#sysbadge {
  font-family: var(--mono); font-size: 12px; color: var(--acc-strong);
  background: var(--bg2); border: 1px solid var(--border); border-radius: 6px; padding: 3px 9px;
}
#searchbtn {
  flex: 0 1 420px; text-align: left; background: var(--bg); color: var(--dim);
  border: 1px solid var(--border); border-radius: 6px; padding: 4px 10px; font: inherit; cursor: pointer;
}
#searchbtn:hover { border-color: var(--acc); }
#topright { margin-left: auto; display: flex; align-items: center; gap: 14px; }
#bell { cursor: pointer; position: relative; }
#bell b {
  position: absolute; top: -4px; right: -8px; background: var(--err); color: #fff;
  font-size: 10px; border-radius: 8px; padding: 0 4px; font-weight: 600;
}
#userbadge {
  font-family: var(--mono); font-size: 12px; background: var(--sel); border-radius: 50%;
  width: 26px; height: 26px; display: inline-flex; align-items: center; justify-content: center;
}

/* -------------------------------------------------------------- tile area */
#tilearea { flex: 1; min-height: 0; display: flex; padding: 6px; gap: 0; }
.split { display: flex; flex: 1; min-width: 0; min-height: 0; }
.split.col { flex-direction: column; }
.divider { flex: 0 0 6px; cursor: col-resize; position: relative; }
.split.col > .divider { cursor: row-resize; }
.divider::after {
  content: ''; position: absolute; inset: 2px; border-radius: 2px;
}
.divider:hover::after { background: var(--acc); opacity: .45; }

.stack {
  flex: 1; min-width: 60px; min-height: 60px; display: flex; flex-direction: column;
  background: var(--bg1); border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
}
.stack.focused { border-color: #33526e; }
.stack > .tabs {
  display: flex; align-items: center; background: var(--bg2); border-bottom: 1px solid var(--border);
  height: 30px; padding: 0 4px; gap: 2px; flex: none; overflow-x: auto; scrollbar-width: none;
}
.stack > .tabs::-webkit-scrollbar { display: none; }
.tab {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 6px 6px 0 0;
  font-size: 12px; color: var(--dim); cursor: pointer; white-space: nowrap; user-select: none;
  border-bottom: 2px solid transparent; max-width: 240px;
}
.tab .title { overflow: hidden; text-overflow: ellipsis; }
.tab:hover { color: var(--fg); background: var(--bg3); }
.tab.sel { color: var(--fg); border-bottom-color: var(--acc); background: var(--bg1); }
.tab .x { color: var(--faint); font-size: 13px; padding: 0 1px; border-radius: 3px; }
.tab .x:hover { color: var(--err); background: var(--bg2); }
.tab.dirty .title::after { content: ' ●'; color: var(--warn); font-size: 9px; vertical-align: 2px; }
.tabs .tactions { margin-left: auto; display: flex; gap: 2px; flex: none; }
.tabs .tactions button {
  background: none; border: none; color: var(--faint); cursor: pointer; font-size: 13px;
  padding: 2px 5px; border-radius: 4px;
}
.tabs .tactions button:hover { color: var(--fg); background: var(--bg3); }
.stack > .body { flex: 1; min-height: 0; position: relative; }
.tilepane { position: absolute; inset: 0; overflow: auto; display: none; }
.tilepane.sel { display: block; }
.tilepane.noscroll { overflow: hidden; }

#tilearea.maximized .stack:not(.maxed) { display: none; }
#tilearea.maximized .divider { display: none; }

/* -------------------------------------------------------------- status bar */
#statusbar {
  height: 28px; display: flex; align-items: center; gap: 10px; padding: 0 10px;
  background: var(--bg1); border-top: 1px solid var(--border); font-size: 12px;
}
.ispf-tag { color: var(--faint); font-family: var(--mono); }
#ispfcmd {
  width: 300px; background: var(--bg); color: var(--fg); border: 1px solid var(--border);
  border-radius: 5px; padding: 2px 8px; font: 12px var(--mono); outline: none;
}
#ispfcmd:focus { border-color: var(--acc); }
#statusinfo { margin-left: auto; font-family: var(--mono); font-size: 11px; }
#statusjobs { font-family: var(--mono); font-size: 11px; color: var(--ok); }

/* ---------------------------------------------------------------- overlay */
#overlay {
  position: fixed; inset: 0; background: rgba(5,8,11,.62); z-index: 100;
  display: flex; align-items: flex-start; justify-content: center; padding-top: 12vh;
}
#overlay[hidden] { display: none; }
.modal {
  background: var(--bg1); border: 1px solid var(--border); border-radius: 10px;
  min-width: 460px; max-width: 700px; max-height: 70vh; display: flex; flex-direction: column;
  box-shadow: 0 18px 60px rgba(0,0,0,.5);
}
.modal header { padding: 10px 14px; font-weight: 600; border-bottom: 1px solid var(--border); }
.modal .mbody { padding: 14px; overflow: auto; }
.modal .mfoot { padding: 10px 14px; border-top: 1px solid var(--border); display: flex; gap: 8px; justify-content: flex-end; }
.modal .mterms { padding: 8px 14px 2px; font-size: 11px; line-height: 1.4; color: var(--muted, #8b95a3); }
.modal .msupport { padding: 2px 14px 12px; font-size: 11px; line-height: 1.4; color: var(--muted, #8b95a3); }
.modal .mterms a, .modal .msupport a { color: var(--acc, #4fa3ff); text-decoration: none; }
.modal .mterms a:hover, .modal .msupport a:hover { text-decoration: underline; }

/* palette */
#palette { min-width: 560px; }
#palette input {
  width: 100%; background: var(--bg); color: var(--fg); border: none; border-bottom: 1px solid var(--border);
  padding: 12px 16px; font: 14px var(--sans); outline: none; border-radius: 10px 10px 0 0;
}
#palette .plist { overflow: auto; max-height: 46vh; padding: 6px; }
#palette .pitem {
  display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 6px; cursor: pointer;
}
#palette .pitem .k { color: var(--faint); font-family: var(--mono); font-size: 11px; margin-left: auto; }
#palette .pitem.sel, #palette .pitem:hover { background: var(--sel); }
#palette .psec { color: var(--faint); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; padding: 8px 10px 2px; }

/* logon */
#logon input {
  display: block; width: 100%; margin: 6px 0 12px; background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px; padding: 7px 10px; font: 13px var(--mono);
}
#logon label { color: var(--dim); font-size: 12px; }
#logon .err { color: var(--err); font-size: 12px; min-height: 16px; }

button.btn {
  background: var(--bg3); color: var(--fg); border: 1px solid var(--border); border-radius: 6px;
  padding: 5px 14px; font: inherit; cursor: pointer;
}
button.btn:hover { border-color: var(--acc); }
button.btn.primary { background: var(--sel); border-color: #3a608a; }
button.btn.danger:hover { border-color: var(--err); color: var(--err); }

/* ------------------------------------------------------------ common views */
.view { padding: 10px 12px; }
.view h2 { font-size: 15px; margin: 4px 0 10px; }
.toolrow { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.toolrow input[type=text], .toolrow input:not([type]) {
  background: var(--bg); color: var(--fg); border: 1px solid var(--border); border-radius: 6px;
  padding: 4px 9px; font: 12px var(--mono); outline: none; min-width: 180px;
}
.toolrow input:focus { border-color: var(--acc); }
.toolrow select {
  background: var(--bg2); color: var(--fg); border: 1px solid var(--border); border-radius: 6px;
  padding: 4px 6px; font: 12px var(--sans);
}
table.grid { border-collapse: collapse; width: 100%; font-size: 12px; font-family: var(--mono); }
table.grid th {
  text-align: left; color: var(--dim); font-size: 11px; font-weight: 600; padding: 4px 10px;
  border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--bg1);
  text-transform: uppercase; letter-spacing: .04em; cursor: default; white-space: nowrap;
}
table.grid td { padding: 3px 10px; border-bottom: 1px solid #1d252e; white-space: pre; }
table.grid tr:hover td { background: var(--bg2); }
table.grid tr.click { cursor: pointer; }
table.grid tr.sel td { background: var(--sel); }
.badge {
  display: inline-block; font: 10px var(--mono); padding: 1px 7px; border-radius: 8px;
  border: 1px solid var(--border); color: var(--dim); vertical-align: 1px;
}
.badge.ok { color: var(--ok); border-color: #2c5e46; }
.badge.err { color: var(--err); border-color: #6b3230; }
.badge.warn { color: var(--warn); border-color: #66551f; }
.badge.run { color: var(--acc-strong); border-color: #3a608a; }
.empty { color: var(--faint); padding: 30px; text-align: center; }

/* content viewer */
.srcview {
  font: 12px/1.5 var(--mono); white-space: pre; padding: 8px 0; tab-size: 8;
  counter-reset: ln; min-height: 100%;
}
.srcview .ln { display: block; padding: 0 12px 0 0; }
.srcview .ln::before {
  counter-increment: ln; content: counter(ln); display: inline-block; width: 5ch;
  margin-right: 12px; text-align: right; color: var(--faint); user-select: none;
}
.srcview .ln.hl { background: var(--sel); }

/* spool viewer */
.spool { font: 12px/1.42 var(--mono); white-space: pre; padding: 10px 14px; }

/* tso console */
.tso { display: flex; flex-direction: column; height: 100%; }
.tso .out { flex: 1; overflow: auto; font: 12px/1.45 var(--mono); white-space: pre-wrap; padding: 10px 12px; }
.tso .out .cmd { color: var(--acc-strong); }
.tso .inrow { display: flex; border-top: 1px solid var(--border); }
.tso .inrow .p { padding: 6px 4px 6px 12px; color: var(--acc-strong); font-family: var(--mono); }
.tso input { flex: 1; background: none; border: none; color: var(--fg); font: 12px var(--mono); padding: 6px 10px; outline: none; }

/* 3270 terminal */
.term-tile { display: flex; flex-direction: column; height: 100%; background: #0a0e08; }
.term-scr {
  position: relative; flex: 1; margin: 6px auto; font: 14px/1.25 var(--mono);
  width: 80ch; overflow: hidden; color: #4be34b;
}
/* the screen element holds the keyboard when there is no unprotected field
   (protected-only screens still take PF keys): a faint frame, no blue ring */
.term-scr:focus { outline: 1px solid #234023; outline-offset: 2px; }
.term-scr .tf { position: absolute; white-space: pre; font: inherit; }
.term-scr span.tf.bright, .term-scr .c-white { color: #eee; }
.term-scr .c-red { color: #e56; } .term-scr .c-blue { color: #6cf; }
.term-scr .c-yellow { color: #ee5; } .term-scr .c-turquoise { color: #5dd; }
.term-scr .c-pink { color: #e8e; } .term-scr .c-green { color: #4be34b; }
.term-scr input.tf {
  background: none; border: none; outline: none; color: #e8e88a; text-transform: uppercase;
  border-bottom: 1px dotted #3a5a3a; padding: 0; margin: 0;
}
.term-oia {
  border-top: 1px solid #234023; color: #3f8a3f; font: 11px var(--mono);
  padding: 3px 10px; display: flex; gap: 20px; flex: none;
}

/* editor */
.edwrap { display: flex; flex-direction: column; height: 100%; }
.edbar {
  display: flex; align-items: center; gap: 8px; padding: 5px 8px;
  border-bottom: 1px solid var(--border); background: var(--bg2); flex: none;
}
.edbar .btn { padding: 3px 10px; font-size: 12px; }
.edbar .lib { font-size: 11px; cursor: pointer; max-width: 340px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.edbar .msg { font-size: 11px; font-family: var(--mono); }
.edbar .msg.ok { color: var(--ok); }
.edhost { flex: 1; min-height: 0; }
.edprobs {
  flex: none; max-height: 130px; overflow: auto; border-top: 1px solid var(--border);
  background: var(--bg1); font: 11px var(--mono); padding: 4px 0;
}
.edprobs .prob { padding: 2px 12px; cursor: pointer; white-space: pre-wrap; }
.edprobs .prob:hover { background: var(--bg2); }
.edprobs .prob.err b { color: var(--err); }
.edprobs .prob.warn b { color: var(--warn); }

.stephd { font-size: 12px; color: var(--dim); margin: 12px 0 2px; text-transform: uppercase; letter-spacing: .05em; }
td.acts a { padding: 0 5px; cursor: pointer; color: var(--faint); }
td.acts a:hover { color: var(--fg); text-decoration: none; }

/* data grid + sql */
.gridwrap { overflow: auto; max-height: calc(100% - 70px); }
.sqlwrap { display: flex; flex-direction: column; height: 100%; }
.sqltop { flex: none; border-bottom: 1px solid var(--border); }
.sqltop .sql {
  width: 100%; height: 110px; background: var(--bg); color: var(--fg); border: none; outline: none;
  padding: 10px 12px; font: 12px/1.5 var(--mono); resize: vertical; box-sizing: border-box;
}
.sqlout { flex: 1; overflow: auto; padding: 4px 8px; }

/* bms studio */
.bmswrap { display: flex; flex-direction: column; height: 100%; }
.bmsbody { flex: 1; display: flex; min-height: 0; }
.bmscanvas { flex: 1; overflow: auto; background: #0a0e08; display: flex; align-items: flex-start; justify-content: center; padding: 10px; }
.bmscanvas .term-scr { outline: none; height: calc(var(--cell-h) * 24); flex: none; }
.term-scr .paintf { cursor: grab; min-width: 1ch; }
.term-scr .paintf.unprot { color: #e8e88a; border-bottom: 1px dotted #3a5a3a; }
.term-scr .paintf.fsel { outline: 1px solid var(--acc); background: rgba(95,147,196,.18); }
.bmsprops { flex: 0 0 240px; border-left: 1px solid var(--border); padding: 10px 12px; overflow: auto; }
.bmsprops h3 { margin: 2px 0 8px; font-size: 12px; text-transform: uppercase; color: var(--dim); }
.bmsprops label { display: block; font-size: 12px; color: var(--dim); margin-bottom: 6px; }
.bmsprops label input:not([type=checkbox]), .bmsprops label select {
  width: 100%; background: var(--bg); color: var(--fg); border: 1px solid var(--border); border-radius: 5px;
  padding: 3px 7px; font: 12px var(--mono); box-sizing: border-box; margin-top: 2px;
}
.bmsprops .attrs label { display: inline-flex; align-items: center; gap: 4px; margin-right: 8px; }

/* debug */
.dbgrow { display: flex; align-items: center; gap: 8px; margin: 8px 0; }
.dbgrow .pos { font: 12px var(--mono); color: var(--warn); }
.dbgcols { display: flex; gap: 14px; margin-top: 8px; }
.dbgcols > div { flex: 1; min-width: 0; }
.dbgcols h3 { font-size: 12px; color: var(--dim); text-transform: uppercase; display: flex; gap: 8px; align-items: center; }
.dbgcols h3 input { background: var(--bg); border: 1px solid var(--border); color: var(--fg); border-radius: 4px; padding: 1px 6px; font: 11px var(--mono); }
.dbgfields { max-height: 100%; overflow: auto; }
.mono { font-family: var(--mono); }

/* operate */
.opsbtns { display: flex; gap: 8px; flex-wrap: wrap; }
.statrow { display: flex; gap: 10px; flex-wrap: wrap; margin: 8px 0; }
.stat {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 14px; min-width: 78px; text-align: center;
}
.stat .v { font: 600 16px var(--mono); }
.stat .l { font-size: 10px; color: var(--dim); text-transform: uppercase; letter-spacing: .05em; margin-top: 2px; }
.stat.ok .v { color: var(--ok); }
.stat.err .v { color: var(--err); }

/* coverage */
.srcview .ln.covhit { background: rgba(76,195,138,.13); border-left: 3px solid var(--ok); }
.srcview .ln.covmiss { background: rgba(229,83,75,.10); border-left: 3px solid var(--err); }

/* modernize */
.estategraph .gnode rect { fill: var(--bg2); stroke: var(--border); cursor: pointer; }
.estategraph .gnode:hover rect { stroke: var(--acc); }
.estategraph .gnode text { fill: var(--fg); font: 11px var(--mono); pointer-events: none; }
.estategraph .gjob rect { fill: #1d2a38; }
.estategraph .gdsn rect { fill: #23301f; }
.estategraph .gedge { fill: none; stroke: #3a4a5a; stroke-width: 1.2; opacity: .8; }
.estategraph .gedge.gds { stroke: #3f5a38; }
.estategraph .gedge.gcall { stroke: #8a5aa8; }
.wave { background: var(--bg1); border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; margin: 10px 0; }
.wave .chips { margin: 6px 0; display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  background: var(--bg3); border: 1px solid var(--border); border-radius: 10px;
  padding: 1px 9px; font: 11px var(--mono);
}
.chip a { cursor: pointer; color: var(--faint); }
.chip a:hover { color: var(--err); }
.wnote { font-size: 11px; }

/* home */
.home { max-width: 860px; margin: 0 auto; padding: 26px 20px; }
.home h1 { font-size: 20px; font-weight: 650; }
.home h1 .sf { color: var(--acc-strong); }
.home .cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; margin-top: 18px; }
.home .card {
  background: var(--bg1); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; cursor: pointer;
}
.home .card:hover { border-color: var(--acc); }
.home .card h3 { margin: 0 0 6px; font-size: 13px; }
.home .card p { margin: 0; color: var(--dim); font-size: 12px; }
.home .card .k { float: right; color: var(--faint); font: 10px var(--mono); }

/* toast */
#toasts { position: fixed; right: 14px; bottom: 40px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--bg2); border: 1px solid var(--border); border-left: 3px solid var(--acc);
  border-radius: 8px; padding: 9px 14px; font: 12px var(--mono); box-shadow: 0 8px 30px rgba(0,0,0,.4);
  max-width: 460px; cursor: pointer;
}
.toast.ok { border-left-color: var(--ok); }
.toast.err { border-left-color: var(--err); }

.placeholder { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; color: var(--faint); gap: 8px; }
.placeholder .big { font-size: 34px; opacity: .5; }
kbd {
  font: 10px var(--mono); background: var(--bg2); border: 1px solid var(--border);
  border-bottom-width: 2px; border-radius: 4px; padding: 1px 5px; color: var(--dim);
}
a { color: var(--acc-strong); text-decoration: none; }
a:hover { text-decoration: underline; }