/* Ironstrike brand tokens (copied from ironstrike-ai/index.html). Zero dependencies. */
:root{--bg:#0a0a0b;--panel:#141416;--steel-line:#38393e;--text:#eae8e4;--dim:#9a9a9f;--ember:#f5821f;--ember-bright:#ff9e42}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;min-height:100vh;display:flex;flex-direction:column}
.wrap{width:100%;max-width:760px;margin:0 auto;padding:24px 16px}
main.wrap{flex:1}
h1{font-size:2rem;line-height:1.15;margin:0 0 8px}
p{margin:0 0 12px}
a{color:var(--ember-bright)}
.lede{color:var(--dim)}
button,.btn{min-height:44px;min-width:44px;padding:10px 20px;font:inherit;font-weight:600;color:#0a0a0b;background:var(--ember);border:0;border-radius:8px;cursor:pointer}
button:focus-visible,a:focus-visible{outline:3px solid var(--ember-bright);outline-offset:2px}
.is-footer{border-top:1px solid var(--steel-line);color:var(--dim);font-size:.875rem;padding:16px;max-width:760px;margin:0 auto;width:100%}
.is-footer p{margin:0 0 8px}
@media (min-width:820px){.wrap{padding:40px 24px}h1{font-size:2.6rem}}
@media (min-width:1440px){.wrap{max-width:960px}}

/* Splitsheet */
.wrap{max-width:760px}
.tabs{display:flex;gap:8px;margin:16px 0}
.tab{flex:1;background:var(--panel);color:var(--text);border:1px solid var(--steel-line)}
.tab.on{background:var(--ember);color:#0a0a0b;border-color:var(--ember)}
.grid{display:grid;gap:16px}
.inputs,.result{background:var(--panel);border:1px solid var(--steel-line);border-radius:10px;padding:16px}
.field{display:block;margin:0 0 16px}
.field>span,.hint,.big-label{display:block;color:var(--dim);font-size:.9rem;margin-bottom:6px}
.hint{margin:0 0 10px}
input[type=text],input:not([type]){width:100%;min-height:44px;padding:8px 12px;font:inherit;color:var(--text);background:#0a0a0b;border:1px solid var(--steel-line);border-radius:8px}
input:focus-visible{outline:3px solid var(--ember-bright);outline-offset:1px}
.stepper{display:flex;align-items:center;gap:16px}
.step{padding:0;width:48px;min-height:48px;font-size:1.4rem}
#e-people{font-size:1.5rem;min-width:2ch;text-align:center}
.chips{display:flex;flex-wrap:nowrap;gap:6px}
.chip{flex:1;min-width:0;padding:8px 2px;background:#0a0a0b;color:var(--text);border:1px solid var(--steel-line)}
.chip.on{background:var(--ember);color:#0a0a0b;border-color:var(--ember)}
.tipcustom{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px;color:var(--dim);font-size:.9rem}
.tipcustom label{display:block}
.tipcustom input{margin-top:4px}
.ghost{background:transparent;color:var(--ember-bright);border:1px solid var(--steel-line)}
.rows{margin-bottom:12px}
.row{display:grid;grid-template-columns:1fr 1fr 44px;gap:8px;margin-bottom:8px}
.row .x{padding:0;background:transparent;color:var(--dim);border:1px solid var(--steel-line)}
.check{display:flex;align-items:center;gap:10px;min-height:44px;margin:0 0 8px;cursor:pointer}
.check input{width:22px;height:22px;accent-color:var(--ember)}
.big{font-size:2.8rem;font-weight:700;line-height:1.1;margin:0 0 12px;color:var(--ember-bright)}
.tbl{width:100%;border-collapse:collapse;font-size:.95rem;margin-bottom:12px}
.tbl th,.tbl td{text-align:right;padding:6px 4px;border-bottom:1px solid var(--steel-line)}
.tbl th:first-child,.tbl td:first-child{text-align:left}
.tbl th{color:var(--dim);font-weight:500}
.tbl tr.sum td{font-weight:700;border-bottom:0}
.check-line{color:var(--dim);font-size:.9rem}
.msg{color:var(--ember-bright)}
.empty{color:var(--dim)}
#reset{margin-top:8px}
[hidden]{display:none!important}
@media (min-width:820px){.grid{grid-template-columns:1fr 1fr;align-items:start}.result{position:sticky;top:16px}.wrap{max-width:1000px}}
@media (min-width:1440px){.wrap{max-width:1100px}.big{font-size:3.4rem}}
#tip-note{margin-top:8px}

.big-note{color:var(--dim);margin:-4px 0 12px}
.big-note:empty{display:none}
.bar{display:none}
@media (max-width:819px){
  body.has-bar{padding-bottom:72px}
  .bar:not([hidden]){display:flex;align-items:center;gap:12px;position:fixed;left:0;right:0;bottom:0;z-index:5;min-height:60px;padding:8px 16px;background:var(--panel);border-top:2px solid var(--ember)}
  .bar-label{color:var(--dim);font-size:.8rem;line-height:1.2;flex:0 0 auto;max-width:5.5rem}
  .bar-big{font-size:1.7rem;color:var(--ember-bright);white-space:nowrap}
  .bar-scroll{display:flex;gap:14px;overflow-x:auto;white-space:nowrap;flex:1;min-width:0}
  .bar-item strong{color:var(--ember-bright)}
}