/* Shared design system for the Z Route tools (Hero EXP, Research). True black, compact, game art. */
:root {
  color-scheme: dark;
  --bg: #000; --s1: #0a0a0b; --s2: #111113; --s3: #18181b;
  --line: #1d1d20; --line2: #2a2a2f;
  --text: #f4f4f5; --muted: #a1a1aa; --faint: #71717a;
  --accent: #5ab4ff; --good: #22c55e; --warn: #f59e0b; --bad: #ef4444;
  --ur: #f5b301; --ssr: #b77cff; --sr: #4f8dff; --r: #3fb950;
  --food: #e8b04b; --metal: #9fb3c8; --oil: #c9824a; --chips: #f08a3c;
  --radius: 14px; --header-h: 52px;
  --safe-b: env(safe-area-inset-bottom, 0px);
}
html.day {
  color-scheme: light;
  --bg: #f5f5f6; --s1: #fff; --s2: #f4f4f5; --s3: #ececee;
  --line: #e4e4e7; --line2: #d4d4d8;
  --text: #18181b; --muted: #52525b; --faint: #71717a;
  --accent: #0b6bcb; --ur: #b07d00; --ssr: #8a3ffc; --sr: #2563eb; --r: #1a7f37;
  --food: #a8730f; --metal: #4d6378; --oil: #9a5525; --chips: #c25e14;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; padding-bottom: calc(64px + var(--safe-b)); }
@media (min-width: 900px) { body { padding-bottom: 0; } }
img { max-width: 100%; }
button, input, select { font: inherit; color: inherit; }
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--muted); } .faint { color: var(--faint); }
.num { font-variant-numeric: tabular-nums; }

/* Header */
.app-header { position: sticky; top: 0; z-index: 40; height: var(--header-h); background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid var(--line); }
.header-inner { max-width: 1440px; height: 100%; margin: 0 auto; padding: 0 16px; display: flex; align-items: center; gap: 16px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 750; font-size: 15px; text-decoration: none; color: var(--text); white-space: nowrap; }
.brand img { width: 22px; height: 22px; }
.ver { font-size: 11px; font-weight: 600; color: var(--muted); border: 1px solid var(--line2); border-radius: 999px; padding: 2px 7px; }
.desktop-nav { display: none; margin-left: auto; gap: 2px; }
.desktop-nav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 13px; padding: 7px 11px; border-radius: 8px; }
.desktop-nav a:hover { color: var(--text); background: var(--s2); }
.desktop-nav a.active { color: var(--text); background: var(--s3); }
.icon-btn { margin-left: auto; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; border: 1px solid var(--line2); background: var(--s1); cursor: pointer; }
.icon-btn svg { width: 17px; height: 17px; }
@media (min-width: 900px) { .desktop-nav { display: flex; } .icon-btn { margin-left: 8px; } }
.language-control { height: 34px; display: inline-flex; align-items: center; gap: 5px; flex: none; padding: 0 7px; border: 1px solid var(--line2); border-radius: 10px; background: var(--s1); color: var(--muted); }
.language-control svg { width: 15px; height: 15px; flex: none; }
.language-control select { width: 83px; min-width: 0; height: 30px; padding: 0; border: 0; outline: 0; background: transparent; color: var(--text); font-size: 12px; font-weight: 650; }
@media (max-width: 520px) { .header-inner { gap: 8px; } .language-control { padding: 0 6px; gap: 3px; } .language-control select { width: 68px; font-size: 11px; } .brand { min-width: 0; overflow: hidden; text-overflow: ellipsis; } .ver { display: none; } }

main { max-width: 1440px; margin: 0 auto; padding: 14px 16px 24px; }
.intro { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; margin-bottom: 12px; }
.intro h1 { margin: 0; font-size: 24px; line-height: 1.15; letter-spacing: -.02em; }
.intro p { margin: 0; color: var(--muted); font-size: 13px; }

/* Chips */
.chip { display: inline-flex; align-items: center; gap: 6px; height: 26px; padding: 0 10px; border-radius: 999px; border: 1px solid var(--line2); background: var(--s1); color: var(--text); font-size: 12px; font-weight: 600; line-height: 1; white-space: nowrap; flex: none; }
.chip img { width: 16px; height: 16px; object-fit: contain; flex: none; display: block; }
.chip.sm { height: 22px; padding: 0 8px; font-size: 11px; gap: 5px; }
.chip.sm img { width: 14px; height: 14px; }
.chip .count { color: var(--muted); }
button.chip { cursor: pointer; }
button.chip:hover { border-color: var(--faint); }
button.chip[aria-pressed="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
button.chip[aria-pressed="true"] .count { color: inherit; opacity: .7; }
.chip.good { color: var(--good); border-color: color-mix(in srgb, var(--good) 40%, transparent); background: color-mix(in srgb, var(--good) 10%, transparent); }
.chip.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, transparent); background: color-mix(in srgb, var(--warn) 10%, transparent); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.scroll-row { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; margin: 0 -16px; padding: 1px 16px; }
.scroll-row::-webkit-scrollbar { display: none; }

/* Surfaces */
.card { background: var(--s1); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; min-width: 0; }
.card h2, .card h3 { margin: 0 0 8px; font-size: 15px; letter-spacing: -.01em; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.card-head h2, .card-head h3 { margin: 0; }
.stack { display: grid; gap: 12px; min-width: 0; }
.tile { background: var(--s2); border-radius: 10px; padding: 8px 10px; min-width: 0; }
.tile small { display: block; font-size: 10.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); }
.tile b { font-size: 17px; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.tile .sub { font-size: 11.5px; color: var(--muted); }
.note { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; padding: 8px 10px; border-radius: 10px; background: var(--s2); }
.note.warn { background: color-mix(in srgb, var(--warn) 10%, var(--s1)); }
.note img { width: 18px; height: 18px; flex: none; margin-top: 1px; }

/* Controls */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 34px; padding: 0 14px; border-radius: 10px; border: 1px solid var(--line2); background: var(--s2); font-weight: 700; font-size: 13px; cursor: pointer; text-decoration: none; color: var(--text); white-space: nowrap; }
.btn.primary { background: var(--text); color: var(--bg); border-color: var(--text); }
.btn.sm { height: 28px; padding: 0 10px; font-size: 12px; }
.input { height: 38px; border-radius: 10px; border: 1px solid var(--line2); background: var(--s1); color: var(--text); padding: 0 10px; min-width: 0; }
.input:focus { outline: none; border-color: var(--accent); }
.search { position: relative; flex: 1; min-width: 0; display: block; }
.search svg { position: absolute; left: 11px; top: 50%; translate: 0 -50%; width: 16px; height: 16px; color: var(--faint); pointer-events: none; }
.search input { width: 100%; padding-left: 34px; }
.seg { display: inline-flex; padding: 3px; gap: 3px; background: var(--s2); border-radius: 10px; }
.seg button { border: 0; background: none; padding: 6px 12px; border-radius: 8px; font-weight: 650; font-size: 13px; cursor: pointer; color: var(--muted); }
.seg button[aria-pressed="true"] { background: var(--text); color: var(--bg); }
input[type="range"] { width: 100%; accent-color: var(--accent); }
.stepper { display: inline-flex; align-items: center; border: 1px solid var(--line2); border-radius: 10px; overflow: hidden; background: var(--s1); }
.stepper button { width: 32px; height: 32px; border: 0; background: var(--s2); cursor: pointer; font-size: 16px; font-weight: 700; }
.stepper input { width: 44px; height: 32px; border: 0; background: none; text-align: center; font-variant-numeric: tabular-nums; -moz-appearance: textfield; }
.stepper input::-webkit-outer-spin-button, .stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* Tables */
.table-wrap { overflow-x: auto; margin: 0 -14px; padding: 0 14px; }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
table.data th, table.data td { padding: 7px 8px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
table.data th { font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--faint); font-weight: 700; position: sticky; top: 0; background: var(--s1); }
table.data tr.hl td { background: color-mix(in srgb, var(--accent) 9%, transparent); }
table.data td.r, table.data th.r { text-align: right; }

/* Resource icons */
.res { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.res img { width: 18px; height: 18px; object-fit: contain; }

/* Toast */
.toast { position: fixed; left: 50%; bottom: calc(76px + var(--safe-b)); translate: -50% 0; background: var(--text); color: var(--bg); font-weight: 700; font-size: 13px; padding: 9px 14px; border-radius: 10px; z-index: 120; }
.toast[hidden] { display: none; }
@media (min-width: 900px) { .toast { bottom: 24px; } }

footer { margin-top: 28px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 12px; color: var(--faint); display: grid; gap: 4px; }
footer p { margin: 0; }

/* Bottom nav (phones) */
.bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 45; display: flex; justify-content: space-around; padding: 6px 4px calc(6px + var(--safe-b)); background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-top: 1px solid var(--line); }
.bottom-nav a { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px; color: var(--faint); text-decoration: none; font-size: 10.5px; font-weight: 600; padding: 4px 0; }
.bottom-nav a.active { color: var(--text); }
.bottom-nav svg { width: 21px; height: 21px; }
@media (min-width: 900px) { .bottom-nav { display: none; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }