/* Signal: shared palette for desktop and companions. Signal red on slate ink, off-white type. */
html[data-theme="signal"] {
  color-scheme:dark;
  --tint:#ff2d17; --accent:#ff2d17; --accent-2:#ff6a4d; --accent-3:#f3f3f3;
  --font:"Inter Tight","Inter","Avenir Next",system-ui,sans-serif;
  --bg:#181d21; --panel:#1f252a; --panel-2:#272e34; --border:#343c43;
  --text:#f3f3f3; --muted:#adadad; --input-bg:#14181b; --link:#ff7a5f;
  --green:#7fd6a0; --red:#ff8a75; --amber:#f2c66d; --orange:#ff9a6b;
  --radius:0px; --radius-btn:0px; --radius-input:0px;
  --surface:var(--panel); --surface-border-color:var(--border);
  --grad-brand:linear-gradient(var(--text),var(--text));
  --grad-primary:linear-gradient(#ff2d17,#ff2d17);
  --grad-primary-hover:linear-gradient(#ff4a35,#ff4a35);
  --btn-soft:linear-gradient(var(--panel-2),var(--panel-2));
  --btn-soft-hover:linear-gradient(var(--border),var(--border));
  --app-bg:var(--bg); --shadow:none; --shadow-glow:none;
}
html[data-theme="signal"][data-mode="light"] {
  color-scheme:light;
  --bg:#f3f3f3; --panel:#ffffff; --panel-2:#e9e9e9; --border:#d2d2d2;
  --text:#181d21; --muted:#545151; --input-bg:#ffffff; --link:#b62f17;
  --green:#1f6b3a; --red:#b3261e; --amber:#7a5200; --orange:#a94200;
}

/* ---------- Tokens ---------- */
html[data-theme="signal"] {
  --sg-red:#ff2d17; --sg-ink:#120a08; --sg-hair:color-mix(in srgb,var(--text) 14%,transparent);
  --sg-ease:cubic-bezier(.7,0,.2,1); --sg-out:cubic-bezier(.16,1,.3,1);
  --sg-gutter:clamp(20px,3vw,56px);
  --cur-hand:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 28 28'%3E%3Ccircle cx='14' cy='14' r='9' fill='none' stroke='%23ff2d17' stroke-width='2.2'/%3E%3Cpath d='M14 9v10M9 14h10' stroke='%23ff2d17' stroke-width='2.2' stroke-linecap='square'/%3E%3Ccircle cx='14' cy='14' r='10.6' fill='none' stroke='%23120a08' stroke-width='1' opacity='.55'/%3E%3C/svg%3E") 14 14;
}
@keyframes sg-rise { from { opacity:0; translate:0 14px; } }
@keyframes sg-curtain { from { clip-path:inset(0 0 100% 0); } to { clip-path:inset(0 0 0 0); } }
@keyframes sg-line { from { opacity:0; translate:0 28px; } }
@keyframes sg-blink { 50% { opacity:.25; } }

/* ---------- Type: plain grotesk, tight, mostly regular weight ---------- */
html[data-theme="signal"][data-mode] body { background:var(--bg); font-weight:400; letter-spacing:-.01em; }
html[data-theme="signal"][data-mode] :is(h1,h2,h3,h4) { font-family:"Inter Tight","Inter",sans-serif; font-weight:400; letter-spacing:-.025em; color:var(--text); }
html[data-theme="signal"][data-mode] .section-head h2 { font-size:clamp(36px,4vw,64px); line-height:1; letter-spacing:-.04em; }
html[data-theme="signal"][data-mode] :is(.stat .label,.cal .dow,.themes-eyebrow) { text-transform:uppercase; letter-spacing:.06em; font-size:11px; font-weight:500; color:var(--muted); }
html[data-theme="signal"][data-mode] .stat .value { font-family:"Inter Tight",sans-serif; font-weight:400; letter-spacing:-.035em; font-variant-numeric:tabular-nums; }
html[data-theme="signal"][data-mode] a { color:var(--link); text-underline-offset:.2em; }
html[data-theme="signal"] ::selection { background:var(--sg-red); color:var(--sg-ink); }

/* ---------- Header: full-bleed signal-red bar, live clock on the right ---------- */
html[data-theme="signal"][data-mode][data-style] .topbar {
  background:var(--sg-red) !important; border:0 !important; box-shadow:none !important; border-radius:0;
  min-height:46px; padding:0 var(--sg-gutter); gap:4px; color:var(--sg-ink);
  -webkit-backdrop-filter:none; backdrop-filter:none;
}
html[data-theme="signal"][data-mode] .topbar .brand {
  font-family:"Inter Tight",sans-serif; font-weight:500; font-size:17px; letter-spacing:-.03em;
  background:none; -webkit-background-clip:border-box; background-clip:border-box; color:var(--sg-ink); -webkit-text-fill-color:currentColor;
}
html[data-theme="signal"][data-mode] .topbar .brand::after { content:"®"; font-size:.55em; vertical-align:super; margin-left:1px; }
html[data-theme="signal"][data-mode] #breadcrumb { margin-inline:auto; gap:4px; }
html[data-theme="signal"][data-mode] #breadcrumb :is(.crumb,.crumb-back,.crumb.current) {
  background:transparent !important; border:0 !important; box-shadow:none !important; border-radius:0; padding:6px 8px;
  font-size:12px; font-weight:600; letter-spacing:.06em; text-transform:uppercase; color:var(--sg-ink); -webkit-text-fill-color:currentColor;
}
html[data-theme="signal"][data-mode] #breadcrumb .crumb-back::before { content:"⊕ "; font-weight:400; }
html[data-theme="signal"][data-mode] #breadcrumb .crumb-sep { color:color-mix(in srgb,var(--sg-ink) 55%,transparent); }
html[data-theme="signal"][data-mode] #breadcrumb .crumb.current { opacity:.65; }
html[data-theme="signal"][data-mode] .topbar .spacer { display:none; }
html[data-theme="signal"][data-mode][data-style] .topbar :is(.btn.ghost,.chip) {
  background:transparent !important; border:0 !important; box-shadow:none !important; border-radius:0; color:var(--sg-ink);
  font-size:12px; font-weight:600; letter-spacing:.06em; text-transform:uppercase; padding:6px 8px;
}
html[data-theme="signal"][data-mode][data-style] .topbar .btn.ghost:hover { background:var(--sg-ink) !important; color:var(--sg-red); }
.sg-clock { display:none; }
html[data-theme="signal"] .sg-clock { display:inline-flex; gap:10px; align-items:center; font:600 12px/1 var(--font); letter-spacing:.06em; color:var(--sg-ink); white-space:nowrap; padding:0 6px; }
html[data-theme="signal"] .sg-clock .sg-off { opacity:.45; }
html[data-theme="signal"] .sg-clock .sg-colon { animation:sg-blink 2s steps(1) infinite; }

/* ---------- Frame: same as Apple / Antigravity ---------- */
html[data-theme="signal"][data-mode] #content { max-width:1600px; margin-inline:auto; padding:32px var(--sg-gutter); }
@media (max-width:700px) { html[data-theme="signal"][data-mode] #content { padding:24px 16px; } }
html[data-theme="signal"][data-mode] #content > * { animation:sg-rise .6s var(--sg-out) backwards; }
html[data-theme="signal"][data-mode] #content > :nth-child(2) { animation-delay:.05s; }
html[data-theme="signal"][data-mode] #content > :nth-child(n+3) { animation-delay:.1s; }
html[data-theme="signal"][data-mode] #content > .station-layout { animation:none; transform:none; }

/* ---------- Surfaces: square, flat, hairlines ---------- */
html[data-theme="signal"][data-mode][data-style] :is(.card,.stat,.modal,.login-card,.status-strip,.station-rail-right) {
  border-radius:0 !important; background:var(--panel) !important; border:1px solid var(--sg-hair) !important; box-shadow:none !important;
  -webkit-backdrop-filter:none; backdrop-filter:none;
}
html[data-theme="signal"][data-mode] .card::before { display:none; }
/* Station cards read like project tiles: a red line sweeps across the foot on hover, "View ↗" appears. */
html[data-theme="signal"][data-mode][data-style] .station-card { padding:28px; transition:background .3s var(--sg-out) !important; }
html[data-theme="signal"][data-mode][data-style] .station-card:hover { transform:none !important; background:var(--panel-2) !important; }
html[data-theme="signal"][data-mode] .station-card::after {
  content:""; position:absolute; left:0; right:0; bottom:0; height:3px; background:var(--sg-red);
  transform:scaleX(0); transform-origin:0 50%; transition:transform .55s var(--sg-ease);
}
html[data-theme="signal"][data-mode] .station-card:hover::after { transform:scaleX(1); }
html[data-theme="signal"][data-mode] .station-card h3 { font-size:25px; display:flex; justify-content:space-between; align-items:baseline; gap:12px; }
html[data-theme="signal"][data-mode] .station-card h3::after {
  content:"View ↗"; font-size:12px; font-weight:600; letter-spacing:.06em; text-transform:uppercase; color:var(--link);
  opacity:0; translate:-6px 0; transition:opacity .3s,translate .45s var(--sg-out); white-space:nowrap;
}
html[data-theme="signal"][data-mode] .station-card:hover h3::after { opacity:1; translate:0 0; }
html[data-theme="signal"][data-mode] .station-card .sc-balance { background:transparent !important; border:0 !important; border-top:1px solid var(--sg-hair) !important; border-radius:0; padding-left:0; }
html[data-theme="signal"][data-mode] .station-card .sc-bal-num { font-family:"Inter Tight",sans-serif; font-weight:400; letter-spacing:-.04em; }
html[data-theme="signal"][data-mode] .add-card { border-style:dashed !important; background:transparent !important; }

/* ---------- Controls ---------- */
html[data-theme="signal"][data-mode][data-style] .btn { border-radius:0 !important; font-weight:600; letter-spacing:.02em; box-shadow:none !important; }
html[data-theme="signal"][data-mode][data-style] #content .btn:not(.primary):not(.info):not(.danger) { background:transparent; border:1px solid var(--sg-hair); color:var(--text); }
html[data-theme="signal"][data-mode][data-style] #content .btn:not(.primary):not(.info):not(.danger):hover { background:var(--text); color:var(--bg); border-color:var(--text); }
html[data-theme="signal"][data-mode][data-style] :is(.btn.primary,.btn.info) { background:var(--sg-red) !important; color:var(--sg-ink) !important; border:0; }
html[data-theme="signal"][data-mode][data-style] :is(.btn.primary,.btn.info):hover { background:var(--text) !important; color:var(--bg) !important; }
html[data-theme="signal"][data-mode][data-style] :is(input,select,textarea) { border-radius:0 !important; border:1px solid var(--sg-hair); background:var(--input-bg); box-shadow:none; }
html[data-theme="signal"][data-mode][data-style] :is(input,select,textarea):focus { outline:2px solid var(--sg-red); outline-offset:0; border-color:transparent; }
html[data-theme="signal"][data-mode] :is(input:not([type="checkbox"]):not([type="radio"]):not([type="button"]):not([type="submit"]),textarea,[contenteditable="true"]) { cursor:text !important; }
html[data-theme="signal"][data-mode] :disabled { cursor:not-allowed !important; }
html[data-theme="signal"][data-mode] :is(input[type="checkbox"],input[type="radio"]) { accent-color:var(--sg-red); }
html[data-theme="signal"][data-mode][data-style] .cal .day:not(.empty) { border-radius:0 !important; background:var(--panel) !important; border:1px solid var(--sg-hair) !important; box-shadow:none !important; transition:background .2s,color .2s; }
html[data-theme="signal"][data-mode][data-style] .cal .day:not(.empty):hover { background:var(--text) !important; color:var(--bg); }
/* Hovered (inverted) day: the cash line and shift/shipment chips follow the inverted colour instead of staying muted. */
html[data-theme="signal"][data-mode][data-style] .cal .day:not(.empty):hover :is(.mini, .mini .muted) { color:color-mix(in srgb, var(--bg) 88%, transparent); }
html[data-theme="signal"][data-mode][data-style] .cal .day:not(.empty):hover .mini .badge { color:var(--bg); background:color-mix(in srgb, var(--bg) 18%, transparent); }
html[data-theme="signal"][data-mode][data-style] .cal .day.today { border-color:var(--sg-red) !important; box-shadow:inset 0 3px 0 var(--sg-red) !important; }
html[data-theme="signal"][data-mode] .cal .day.today .num { color:var(--link); }
html[data-theme="signal"][data-mode][data-style] :is(.tab:not(.active),.seg button:not(.active)) { box-shadow:none !important; }
html[data-theme="signal"][data-mode][data-style] .seg button { border-radius:0 !important; }
html[data-theme="signal"][data-mode][data-style] .seg button.active { background:var(--sg-red) !important; color:var(--sg-ink) !important; }
html[data-theme="signal"][data-mode] .toast:not(.err) { background:var(--sg-red); color:var(--sg-ink); border-radius:0; font-weight:600; }

/* ---------- Station page: a quiet left column (current page + "All pages +"); the page list lives
   in a full-screen red index curtain (theme-signal.js toggles .sg-open) ---------- */
html[data-theme="signal"][data-mode] .station-layout { grid-template-columns:240px minmax(0,1fr) 212px; gap:28px; }
html[data-theme="signal"][data-mode] .station-layout:not(.has-right) { grid-template-columns:240px minmax(0,1fr); }
html[data-theme="signal"][data-mode][data-style] .station-rail-left {
  position:sticky; top:70px; align-self:start; padding:0; border:0 !important; border-radius:0 !important;
  background:transparent !important; box-shadow:none !important;
}
.sg-head { display:none; }
html[data-theme="signal"] .station-rail-left .sg-head { display:block; }
html[data-theme="signal"] .sg-trail { font:600 11px/1.3 var(--font); letter-spacing:.06em; text-transform:uppercase; color:var(--muted); margin-bottom:22px; }
html[data-theme="signal"] .sg-trail b { color:var(--text); font-weight:600; }
html[data-theme="signal"] .sg-title { font:400 clamp(28px,2.3vw,36px)/1.05 "Inter Tight",sans-serif; letter-spacing:-.035em; color:var(--text); margin-bottom:10px; word-break:break-word; }
html[data-theme="signal"] .sg-open-btn {
  all:unset; cursor:pointer; display:inline-flex; gap:8px; align-items:baseline;
  font:400 clamp(28px,2.3vw,36px)/1.05 "Inter Tight",sans-serif; letter-spacing:-.035em; color:var(--muted);
  transition:color .25s;
}
html[data-theme="signal"] .sg-open-btn:hover,html[data-theme="signal"] .sg-open-btn:focus-visible { color:var(--sg-red); }
html[data-theme="signal"] .sg-open-btn span { display:inline-block; transition:rotate .45s var(--sg-out); }
html[data-theme="signal"] .sg-open-btn:hover span { rotate:90deg; }
html[data-theme="signal"] .sg-close-btn { display:none; }
/* Closed: the list itself is hidden; the column shows the trail, current page and "All pages +". */
html[data-theme="signal"][data-mode] .station-rail-left:not(.sg-open) .tabs.station-tabs-v { display:none; }

/* Open: the rail becomes the red curtain over everything, the pages a huge numbered index. */
html[data-theme="signal"][data-mode][data-style] .station-rail-left.sg-open {
  position:fixed; inset:0; z-index:60; overflow-y:auto; padding:96px var(--sg-gutter) 60px;
  background:var(--sg-red) !important; color:var(--sg-ink); animation:sg-curtain .7s var(--sg-ease) both;
}
html[data-theme="signal"] .station-rail-left.sg-open .sg-head .sg-trail { color:color-mix(in srgb,var(--sg-ink) 60%,transparent); }
html[data-theme="signal"] .station-rail-left.sg-open .sg-head :is(.sg-trail b,.sg-title) { color:var(--sg-ink); }
html[data-theme="signal"] .station-rail-left.sg-open .sg-open-btn { display:none; }
html[data-theme="signal"] .station-rail-left.sg-open .sg-close-btn {
  all:unset; cursor:pointer; position:fixed; top:58px; right:var(--sg-gutter); display:inline-flex; gap:8px;
  font:600 12px/1 var(--font); letter-spacing:.06em; text-transform:uppercase; color:var(--sg-ink); padding:8px 0;
}
html[data-theme="signal"] .station-rail-left.sg-open .sg-close-btn:hover { text-decoration:underline; text-underline-offset:.3em; }
html[data-theme="signal"][data-mode] .station-rail-left.sg-open .tabs.station-tabs-v {
  display:block; columns:2 420px; column-gap:48px; margin-top:28px; counter-reset:sg;
}
html[data-theme="signal"][data-mode][data-style] .station-rail-left.sg-open .tab {
  counter-increment:sg; position:relative; display:flex !important; align-items:baseline; gap:16px; width:auto; margin:0; break-inside:avoid;
  padding:12px 0 10px !important; border:0 !important; border-bottom:1px solid color-mix(in srgb,var(--sg-ink) 22%,transparent) !important;
  border-radius:0 !important; background:transparent !important; box-shadow:none !important;
  font:400 clamp(26px,2.6vw,42px)/1.05 "Inter Tight",sans-serif; letter-spacing:-.035em; color:var(--sg-ink) !important; text-align:left;
  transition:color .2s,padding-left .35s var(--sg-out) !important;
}
/* The staggered slide-in plays only when the curtain opens (.sg-entering), never when the list is
   rebuilt (e.g. opening a group) — then theme-signal.js glides the lines to their new spots instead. */
html[data-theme="signal"][data-mode][data-style] .station-rail-left.sg-open.sg-entering .tab {
  animation:sg-line .55s var(--sg-out) calc(.18s + var(--n,0) * 22ms) backwards !important;
}
html[data-theme="signal"][data-mode] .station-rail-left.sg-open .tab::before {
  content:counter(sg,decimal-leading-zero); font:600 12px/1 var(--font); letter-spacing:.06em; opacity:.6; min-width:22px;
}
html[data-theme="signal"][data-mode] .station-rail-left.sg-open .tab::after {
  content:"↗"; margin-left:auto; font-size:.7em; opacity:0; translate:-10px 0; transition:opacity .25s,translate .4s var(--sg-out);
}
html[data-theme="signal"][data-mode][data-style] .station-rail-left.sg-open .tab:hover { color:#fff !important; padding-left:10px !important; }
html[data-theme="signal"][data-mode] .station-rail-left.sg-open .tab:hover::after { opacity:1; translate:0 0; }
html[data-theme="signal"][data-mode][data-style] .station-rail-left.sg-open .tab.active { color:#fff !important; }
html[data-theme="signal"][data-mode] .station-rail-left.sg-open .tab.active::before { content:"● " counter(sg,decimal-leading-zero); opacity:1; }
html[data-theme="signal"][data-mode] .station-rail-left.sg-open .tab .muted { font-size:.5em; opacity:.7; color:inherit; }
/* A group's sub-pages open in place as a smaller indented list. */
html[data-theme="signal"][data-mode] .station-rail-left.sg-open .station-submenu {
  display:flex; flex-direction:column; margin:0 0 0 38px; padding:0; background:transparent; border:0; border-radius:0; break-inside:avoid;
}
html[data-theme="signal"][data-mode][data-style] .station-rail-left.sg-open .station-submenu .tab { font-size:clamp(20px,1.8vw,28px); counter-increment:none; }
html[data-theme="signal"][data-mode] .station-rail-left.sg-open .station-submenu .tab::before { content:"—"; }
html.sg-lock, html.sg-lock body { overflow:hidden; }

/* ---------- Gallery preview ---------- */
.theme-showcase[data-preset="signal"] .theme-showcase-art { background:linear-gradient(#ff2d17 0 16%,#181d21 16%); }
.theme-showcase[data-preset="signal"] .theme-showcase-orbit { border:0; border-radius:0; background:#ff2d17; width:18%; height:18%; opacity:1; }
.theme-showcase[data-preset="signal"] .theme-showcase-pane { background:#1f252a; border:1px solid #f3f3f322; border-radius:0; box-shadow:none; }
.theme-showcase[data-preset="signal"] .theme-showcase-type { font-family:"Inter Tight",sans-serif; font-weight:400; color:#f3f3f3; letter-spacing:-.04em; }
.theme-showcase[data-preset="signal"] .theme-showcase-mini-button { background:#ff2d17; border-radius:0; }
.theme-showcase[data-preset="signal"] .theme-showcase-caption { color:#ff7a5f; position:relative; z-index:2; }

/* ---------- Small screens + accessibility ---------- */
@media (max-width:980px) {
  html[data-theme="signal"][data-mode] :is(.station-layout,.station-layout:not(.has-right)) { grid-template-columns:minmax(0,1fr); }
  html[data-theme="signal"][data-mode][data-style] .station-rail-left:not(.sg-open) { position:static; }
  html[data-theme="signal"] .sg-trail { margin-bottom:8px; }
}
@media (max-width:700px) { html[data-theme="signal"] .sg-clock { display:none; } }
@media (prefers-reduced-motion:reduce) {
  html[data-theme="signal"] *, html[data-theme="signal"] *::before, html[data-theme="signal"] *::after { animation:none !important; transition-duration:.01ms !important; }
}

/* Let the month/year pickers wrap on narrow screens (otherwise they push the page sideways). */
html[data-theme="signal"][data-mode] .month-bar { flex-wrap:wrap; row-gap:10px; }
html[data-theme="signal"][data-mode] .month-bar select { max-width:100%; }

/* Fuel price chips: square, with a hairline so the diesel chip stays visible on light paper. */
html[data-theme="signal"][data-mode] .station-card .gp { border-radius:0 !important; border:1px solid var(--sg-hair) !important; }
html[data-theme="signal"][data-mode="light"] .station-card .gp-dsl { color:#3a3f44 !important; background:#e9e9e9 !important; }