/* Flash Force — shared component layer.
   Each page keeps its own design tokens in :root and sets the theme accent
   --brand-2 (Flash Force = blue, Flash Force LED = green). Edit a shared
   component ONCE here and both pages get it. */

/* iOS Safari: kill the tap-highlight flash on every element — covers the
   brand-trigger AND its gradient children (.brand / .brand-bolt), which a
   per-element rule on .brand-trigger alone does not. Fixes the logo highlight
   on tap. (Flash Force LED already did this locally; this is the shared source.) */
/* ── Design tokens (shared neutrals + actions; pages add only their brand-2 accent) ── */
:root{
  --bg:#0a0c10; --bg2:#11151c; --panel:rgba(22,27,34,.72); --panel-solid:#161b22;
  --txt:#eef2f7; --muted:#9aa7b4;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --surface:rgba(255,255,255,.06); --surface-faint:rgba(255,255,255,.03); --surface-hi:rgba(255,255,255,.1);
  --field-bg:rgba(0,0,0,.35);
  --accent:#ffc31f; --accent-2:#ff8a1f; --glow:rgba(255,180,30,.35);
  --go:#39d353; --go-2:#1ea34a; --go-glow:rgba(57,211,83,.5);
  --danger:#f85149; --log-err:#ff5c5c;
  --code-bg:#0c1014; --code-ink:#cfe8d8; --pop-bg:#12161d;
  --ink-accent:#241400; --ink-go:#04210e;
  --gold-1:#FFF7CB; --gold-2:#FFCC6D; --ink-modal:#cdd6e0; --warn-ink:#f2dfa6; --danger-ink:#f3b7b2;
  --radius:16px;
  /* motion — one rhythm for everything (press / enter / state) */
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur-tap:.22s; --dur-in:.34s; --dur-state:.15s;
}

*{-webkit-tap-highlight-color:transparent}

/* ── Brand dropdown (header mode switcher) ── */
.brand-menu{position:relative}
.brand-trigger{display:inline-flex;align-items:center;gap:7px;background:none;border:none;padding:3px 4px;margin:-3px -4px;cursor:pointer;border-radius:10px;outline:none;-webkit-tap-highlight-color:transparent}
.brand-trigger:focus,.brand-trigger:focus-visible{outline:none}
.brand-trigger:hover,.brand-trigger:focus,.brand-trigger:active{background:none;border-color:transparent;box-shadow:none}
.brand-trigger:active{transform:none}
.brand-trigger .brand{padding:0}
.caret{width:7px;height:7px;flex:0 0 auto;border-right:2px solid var(--brand-2);border-bottom:2px solid var(--brand-2);
  transform:rotate(45deg) translateY(-2px);transition:transform .2s;opacity:.85}
.brand-trigger[aria-expanded="true"] .caret{transform:rotate(225deg) translate(-1px,-1px)}
.brand-pop{position:absolute;top:calc(100% + 9px);left:0;z-index:60;min-width:236px;padding:6px;
  border:1px solid transparent;border-radius:14px;opacity:0;transform:translateY(-6px);pointer-events:none;
  transition:opacity .16s ease,transform .16s ease;
  background:linear-gradient(var(--pop-bg),var(--pop-bg)) padding-box,
    linear-gradient(160deg,rgba(255,255,255,.22),var(--surface) 40%,rgba(255,255,255,.02) 100%) border-box;
  box-shadow:0 18px 44px -20px rgba(0,0,0,.9)}
.brand-pop.open{opacity:1;transform:translateY(0);pointer-events:auto}
.mode-item{display:block;text-decoration:none;padding:10px 12px;border-radius:10px;color:var(--txt)}
.mode-item+.mode-item{margin-top:2px}
.mode-name{display:block;font-weight:700;font-size:14px;line-height:1.2}
.mode-sub{display:block;font-size:11.5px;color:var(--muted);margin-top:2px}
.mode-item.active{background:rgba(255,255,255,.07)}
.mode-item.active .mode-name{color:var(--brand-2)}
@media(hover:hover){.mode-item:not(.active):hover{background:rgba(255,255,255,.05)}}

/* ── Segmented control (tabs) ── */
.seg{display:flex;border:1px solid var(--line2);border-radius:10px;overflow:hidden;margin-bottom:7px}
.seg-btn{flex:1;border:none;border-radius:0;background:transparent;color:var(--muted);padding:10px;font-weight:600}
.seg-btn.active{background:linear-gradient(145deg,var(--accent),var(--accent-2));color:var(--ink-accent)}
@media(hover:hover){.seg-btn:not(.active):hover{color:var(--txt);background:rgba(255,255,255,.05)}}

/* ── Chips (base; per-page variants stay local) ── */
.chips{display:flex;gap:7px;flex-wrap:wrap}
.chip-btn{flex:1;min-width:46px;background:var(--surface);border:1px solid var(--line2);border-radius:10px;padding:10px 7px;color:var(--txt);font-weight:600;font-size:14px}
@media(hover:hover){.chip-btn:not(.active):not(.held):hover{background:var(--surface-hi);border-color:rgba(255,255,255,.26)}}

/* ── Info button + collapsible info body ── */
.info-btn{margin-left:auto;flex:0 0 auto;width:24px;height:24px;border-radius:50%;padding:0;
  font-size:13px;font-weight:800;font-style:italic;font-family:Georgia,serif;line-height:1;
  background:var(--surface);border:1px solid var(--line2);color:var(--muted);
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.15s}
@media(hover:hover){.info-btn:hover{color:var(--accent);border-color:var(--accent)}}
.info-btn.active{color:var(--ink-accent);background:linear-gradient(145deg,var(--accent),var(--accent-2));border-color:transparent}
/* Collapse via max-height (NOT display:none) — iOS Safari fails to reflow the
   following position:relative .cs select after a display toggle, so the open
   info-body would overlap the dropdown. max-height keeps it in flow always. */
.info-body{max-height:0;overflow:hidden;margin-top:0;padding:0 14px;border:1px solid transparent;border-radius:12px;
  background:var(--surface-faint);font-size:12.5px;color:var(--muted);line-height:1.55;
  transition:max-height .2s ease,margin-top .2s ease,padding .2s ease,border-color .2s ease}
.info-body.open{max-height:480px;margin-top:13px;padding:12px 14px;border-color:var(--line)}
.info-body b{color:var(--txt)}
.info-body a{color:var(--accent)}

/* ── Panel (the glassy card box; per-page adds layout: grid/stack margins) ── */
.panel{position:relative;margin-bottom:14px;border:1px solid transparent;border-radius:var(--radius);padding:16px 16px 16px 12px;
  background:linear-gradient(var(--panel),var(--panel)) padding-box,
    linear-gradient(160deg,rgba(255,255,255,.22),var(--surface) 40%,rgba(255,255,255,.02) 100%) border-box;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 1px 0 rgba(255,255,255,.05) inset,0 12px 30px -18px rgba(0,0,0,.8);
  animation:riseIn var(--dur-in) var(--ease) both}

/* ── Branded buttons (primary = accent, go = green). Base button{} stays per-page. ── */
button.primary{background:linear-gradient(145deg,var(--accent),var(--accent-2));color:var(--ink-accent);border:none;box-shadow:0 8px 22px -10px var(--glow)}
button.primary:hover{filter:brightness(1.06);box-shadow:0 10px 28px -8px var(--glow)}
button.go{background:linear-gradient(145deg,var(--go),var(--go-2));color:var(--ink-go);border:none;box-shadow:0 8px 22px -12px var(--go-glow)}
button.go:hover{filter:brightness(1.06);box-shadow:0 10px 28px -8px var(--go-glow)}
button.ghost{background:transparent}

/* ── Base button + states (shared; pages no longer redefine these) ── */
button{font:inherit;font-weight:600;font-size:14px;cursor:pointer;color:var(--txt);
  background:var(--surface);border:1px solid var(--line2);border-radius:11px;padding:11px 15px;
  transition:transform .08s var(--ease),background var(--dur-state),border-color var(--dur-state),box-shadow var(--dur-state),filter var(--dur-state)}
/* hover tint only for plain (class-less) buttons — Run/Delete/clear/etc.; styled buttons (.primary/.go/.brand/.tut-open/.chip-btn/.seg-btn…) keep their own look. hover-capable only so it doesn't stick after a tap. */
@media(hover:hover){button:not([class]):hover{border-color:rgba(255,255,255,.28);background:var(--surface-hi)}}
button:active{transform:scale(.97)}
button:disabled{opacity:.4;cursor:not-allowed}
/* unified tap bounce — ff.js adds .tap on press to every button (except .brand-trigger / .bp) */
.tap{animation:tap var(--dur-tap) var(--ease)}

/* ── Brand-accent button + "?" pill (themed by --brand-2 → FF blue / LED green) ── */
button.brand2{background:linear-gradient(145deg,var(--brand-2),var(--brand-2-d));color:var(--brand-ink);border:none;box-shadow:0 8px 22px -10px var(--brand-glow)}
button.brand2:hover{filter:brightness(1.07);box-shadow:0 10px 28px -8px var(--brand-glow)}
.tut-open{width:26px;height:26px;border-radius:7px;padding:0;font-size:15px;font-weight:700;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;line-height:1;border:none;
  background:linear-gradient(145deg,var(--brand-2),var(--brand-2-d));color:var(--brand-ink);box-shadow:0 6px 16px -8px var(--brand-glow)}

/* ── Row: equal-width flex children ── */
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row > *{flex:1;min-width:0}

/* ── Page container (same width + responsive padding on both) ── */
main{max-width:520px;margin:0 auto;padding:18px 20px 60px}
@media(max-width:560px){ main{padding:14px 16px 48px} }

/* ── Footer / credits ── */
.credits{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px}
.cr-by{color:var(--muted);font-size:14px}
.cr-by b{color:var(--muted);font-weight:700}
.cr-links{display:flex;gap:9px;flex-wrap:wrap;justify-content:center}
.cr-links a{font-size:13px;color:var(--brand-2);text-decoration:none;border:1px solid var(--line2);border-radius:999px;padding:6px 14px;transition:.15s}
@media(hover:hover){.cr-links a:hover{background:rgba(255,255,255,.07);border-color:var(--brand-2)}}
.cr-legal{font-size:11px;color:var(--muted);opacity:.7;max-width:430px;line-height:1.5}

/* shared popup subtitle (Flash Force onboarding + Flash Force LED guide) */
.tut-sub{color:#fff;font-size:clamp(11px,3.6vw,15px);white-space:nowrap;text-shadow:0 2px 10px rgba(0,0,0,.9)}

/* ── Compatibility notice — compact full-width bar pinned at the very top of the page.
   FF shows it on desktop; FF LED shows it when Web Bluetooth is missing (iOS Safari).
   Regular font; themed by the page accent (--brand-rgb / --brand-2). ── */
.notice-bar{display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap;
  padding:9px 16px;font-size:13px;line-height:1.45;text-align:center;color:var(--muted);
  background:linear-gradient(180deg,rgba(var(--brand-rgb),.16),rgba(var(--brand-rgb),.06));
  border-bottom:1px solid rgba(var(--brand-rgb),.32);
  animation:riseIn var(--dur-in) var(--ease) both}
.notice-bar.hidden{display:none}
.notice-bar b{color:var(--brand-2);font-weight:700}

/* ── Shared animations (used by both pages) ── */
@keyframes glint{0%{background-position:130% 0}55%,100%{background-position:-30% 0}}
@keyframes breathe{0%,100%{opacity:.72}50%{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
@keyframes tap{0%,100%{transform:scale(1)}45%{transform:scale(.94)}}
@keyframes riseIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}