/* ══════════════════════════════════════════════════════════════════════════
   gp-ui.css · GHOSTPAY design system (wave 1). Dark only, warm off-black +
   bone, one amber accent. This file is the single source of truth: tokens +
   primitives. docs/DESIGN.md is the contract for every surface built on it.

   --gp-accent may be set from localStorage gp-profile accentColor by a
   one-line inline script on each page; the default is the amber below.
   Fonts are vendored woff2 (see vendor/fonts/, precached by sw.js).
   ══════════════════════════════════════════════════════════════════════════ */

/* ── fonts (vendored, latin subsets) ────────────────────────────────────── */
@font-face {
  font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('./vendor/fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 500; font-display: swap;
  src: url('./vendor/fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 700; font-display: swap;
  src: url('./vendor/fonts/ibm-plex-mono-latin-700-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'Space Grotesk'; font-style: normal; font-weight: 500; font-display: swap;
  src: url('./vendor/fonts/space-grotesk-latin-500-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'Space Grotesk'; font-style: normal; font-weight: 700; font-display: swap;
  src: url('./vendor/fonts/space-grotesk-latin-700-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

/* ── tokens ─────────────────────────────────────────────────────────────── */
:root {
  color-scheme: dark;
  accent-color: var(--gp-accent);

  /* palette: bone on warm off-black, never pure #000/#fff */
  --gp-bg: #14120f;                 /* page */
  --gp-bg-raise: #1b1814;           /* raised surface: cards, steps, stats */
  --gp-bg-inset: #0e0c0a;           /* inset wells: inputs, tab tracks, bar tracks */
  --gp-sheen: #292318;              /* skeleton shimmer highlight (warm) */
  --gp-fg: #ece7db;                 /* bone */
  --gp-muted: #a39e92;
  --gp-faint: #6b665b;
  --gp-line: rgba(236,231,219,.13);        /* hairline, rgba of the foreground */
  --gp-line-soft: rgba(236,231,219,.07);   /* row separators */
  --gp-line-strong: rgba(236,231,219,.26); /* active/hover hairline */

  /* accent: restrained warm amber (gp-profile accentColor overrides this) */
  --gp-accent: #d9a441;
  --gp-accent-hi: #e9b95c;          /* hover */
  --gp-accent-ink: #14120f;         /* text on the accent */

  /* semantic, muted not neon */
  --gp-ok: #86ac6c;                 /* paid / success */
  --gp-ok-bg: rgba(134,172,108,.13);
  --gp-danger: #cd6f5e;             /* overdue / destructive */
  --gp-danger-bg: rgba(205,111,94,.13);
  --gp-info: #a39e92;               /* pending / neutral */
  --gp-info-bg: rgba(236,231,219,.07);

  /* typography: Space Grotesk for display/headings/wordmark/nav,
     IBM Plex Mono for body, data, labels, buttons */
  --gp-font-display: 'Space Grotesk', 'IBM Plex Mono', ui-sans-serif, sans-serif;
  --gp-font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --gp-fs-display: clamp(2.5rem, 4.5vw, 3.5rem);  /* 40–56px */
  --gp-fs-h2: 1.625rem;    /* 26px */
  --gp-fs-h3: 1.125rem;    /* 18px */
  --gp-fs-body: .875rem;   /* 14px */
  --gp-fs-small: .78125rem;/* 12.5px */
  --gp-fs-micro: .6875rem; /* 11px */

  /* space (4px base) · radius · motion */
  --gp-s1: 4px;  --gp-s2: 8px;  --gp-s3: 12px; --gp-s4: 16px;
  --gp-s5: 24px; --gp-s6: 32px; --gp-s7: 48px; --gp-s8: 64px;
  --gp-radius: 10px;       /* cards */
  --gp-radius-sm: 6px;     /* controls */
  --gp-t: 160ms ease;
  --gp-shadow: 0 8px 24px rgba(0,0,0,.4);
  --gp-nav-h: 48px;
}

/* ── reset + base ───────────────────────────────────────────────────────── */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--gp-bg); color: var(--gp-fg);
  font-family: var(--gp-font-mono); font-size: var(--gp-fs-body); line-height: 1.6;
  padding-top: var(--gp-nav-h);
}

::selection { background: var(--gp-accent); color: var(--gp-accent-ink); }

/* visible focus everywhere, in the accent */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible,
textarea:focus-visible, summary:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--gp-accent); outline-offset: 2px; }

/* ── fixed top nav (every page): wordmark left, page links right, current
   page is an accent pill ───────────────────────────────────────────────── */
.gp-nav { position: fixed; top: 0; left: 0; right: 0; height: var(--gp-nav-h); z-index: 100;
  display: flex; align-items: center; gap: 16px; padding: 0 20px;
  background: var(--gp-bg); border-bottom: 1px solid var(--gp-line); }
.gp-nav-logo { font-family: var(--gp-font-display); color: var(--gp-fg); text-decoration: none;
  font-weight: 700; font-size: 15px; letter-spacing: .18em; }
.gp-nav-links { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.gp-nav-link { font-family: var(--gp-font-display); color: var(--gp-muted); text-decoration: none;
  font-size: var(--gp-fs-small); font-weight: 500; letter-spacing: .1em;
  padding: 8px 14px; border: 1px solid transparent; border-radius: var(--gp-radius-sm);
  transition: color var(--gp-t), border-color var(--gp-t), background var(--gp-t); }
.gp-nav-link:hover { color: var(--gp-fg); border-color: var(--gp-line); }
.gp-nav-link.on { background: var(--gp-accent); color: var(--gp-accent-ink); font-weight: 700; }
.gp-nav-link.on:hover { border-color: transparent; }

/* ── layout primitives ──────────────────────────────────────────────────── */
.gp-container { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.gp-measure { max-width: 640px; }          /* reading measure for prose flows */
.gp-section { margin-top: var(--gp-s6); }
.gp-label { font-size: var(--gp-fs-micro); letter-spacing: .16em; color: var(--gp-muted);
  margin-bottom: 6px; }
.gp-muted { color: var(--gp-muted); }
.gp-faint { color: var(--gp-faint); }

/* headings + the only place letter-spaced ALL-CAPS is allowed: eyebrows */
.gp-h2 { font-family: var(--gp-font-display); font-size: var(--gp-fs-h2); font-weight: 500;
  letter-spacing: -.01em; line-height: 1.25; }
.gp-h3 { font-family: var(--gp-font-display); font-size: var(--gp-fs-h3); font-weight: 500;
  letter-spacing: 0; line-height: 1.3; }
.gp-eyebrow { font-size: var(--gp-fs-micro); font-weight: 500; letter-spacing: .16em;
  text-transform: uppercase; color: var(--gp-muted); }

/* ── buttons ────────────────────────────────────────────────────────────── */
.gp-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: auto; background: var(--gp-bg-raise); color: var(--gp-fg);
  border: 1px solid var(--gp-line-strong); border-radius: var(--gp-radius-sm);
  padding: 12px 22px; font-family: var(--gp-font-mono); font-size: var(--gp-fs-small);
  font-weight: 500; letter-spacing: .08em; cursor: pointer;
  transition: background var(--gp-t), color var(--gp-t), border-color var(--gp-t); }
.gp-btn:hover { border-color: var(--gp-fg); background: var(--gp-bg-raise); }
.gp-btn.primary { background: var(--gp-accent); color: var(--gp-accent-ink);
  border-color: transparent; font-weight: 700; }
.gp-btn.primary:hover { background: var(--gp-accent-hi); border-color: transparent; }
.gp-btn.ghost { background: transparent; border-color: var(--gp-line-strong); }
.gp-btn.ghost:hover { background: transparent; border-color: var(--gp-fg); }
.gp-btn.danger { background: transparent; color: var(--gp-danger);
  border-color: rgba(205,111,94,.45); }
.gp-btn.danger:hover { background: var(--gp-danger-bg); border-color: var(--gp-danger); }
/* disabled beats every variant AND its hover state: declared last so equal-specificity
   variant rules (.gp-btn.primary:hover etc.) never relight a disabled control */
.gp-btn:disabled, .gp-btn:disabled:hover,
.gp-btn.primary:disabled, .gp-btn.primary:disabled:hover,
.gp-btn.ghost:disabled, .gp-btn.ghost:disabled:hover,
.gp-btn.danger:disabled, .gp-btn.danger:disabled:hover {
  background: var(--gp-bg-inset); color: var(--gp-faint);
  border-color: var(--gp-line); cursor: default; }
.gp-btn.small { padding: 8px 14px; font-size: var(--gp-fs-micro); }
.gp-btn.block { width: 100%; }

/* ── card ───────────────────────────────────────────────────────────────── */
.gp-card { background: var(--gp-bg-raise); border: 1px solid var(--gp-line);
  border-radius: var(--gp-radius); padding: var(--gp-s5); margin-top: var(--gp-s4); }
.gp-card.on { border-color: var(--gp-line-strong); }

/* ── form controls ──────────────────────────────────────────────────────── */
.gp-input, .gp-select, .gp-textarea { width: 100%; background: var(--gp-bg-inset);
  color: var(--gp-fg); border: 1px solid var(--gp-line); border-radius: var(--gp-radius-sm);
  padding: 12px 14px; font-family: var(--gp-font-mono); font-size: var(--gp-fs-small);
  transition: border-color var(--gp-t); }
.gp-input::placeholder, .gp-textarea::placeholder { color: var(--gp-faint); }
.gp-input:focus, .gp-select:focus, .gp-textarea:focus { border-color: var(--gp-accent); }
.gp-textarea { resize: vertical; }

/* ── pills (status chips) ───────────────────────────────────────────────── */
.gp-pill { display: inline-block; border: 1px solid var(--gp-fg); border-radius: 999px;
  padding: 3px 10px; font-size: var(--gp-fs-micro); letter-spacing: .12em; white-space: nowrap; }
.gp-pill.dim { border-color: var(--gp-line-strong); color: var(--gp-muted); }
.gp-pill.ok { color: var(--gp-ok); border-color: rgba(134,172,108,.4); background: var(--gp-ok-bg); }
.gp-pill.danger { color: var(--gp-danger); border-color: rgba(205,111,94,.4);
  background: var(--gp-danger-bg); }
.gp-pill.info { color: var(--gp-info); border-color: var(--gp-line-strong);
  background: var(--gp-info-bg); }

/* ── tables ─────────────────────────────────────────────────────────────── */
.gp-tablewrap { overflow-x: auto; }
.gp-table { width: 100%; border-collapse: collapse; font-size: var(--gp-fs-small); }
.gp-table th { text-align: left; font-size: var(--gp-fs-micro); letter-spacing: .14em;
  color: var(--gp-muted); font-weight: 500; padding: 10px 12px 10px 0;
  border-bottom: 1px solid var(--gp-line); white-space: nowrap; }
.gp-table td { padding: 12px 12px 12px 0; border-bottom: 1px solid var(--gp-line-soft);
  vertical-align: top; }
.gp-table tbody tr:last-child td { border-bottom: 0; }

/* ── tabs: one segmented control that scrolls horizontally on overflow ──── */
.gp-tabs { display: flex; flex-wrap: nowrap; gap: 2px; padding: 3px;
  background: var(--gp-bg-inset); border: 1px solid var(--gp-line);
  border-radius: var(--gp-radius); margin-top: 16px; overflow-x: auto;
  scrollbar-width: thin; scrollbar-color: var(--gp-line) transparent; }
.gp-tabs::-webkit-scrollbar { height: 4px; }
.gp-tabs::-webkit-scrollbar-track { background: transparent; }
.gp-tabs::-webkit-scrollbar-thumb { background: var(--gp-line); }
.gp-tab { width: auto; flex: 1 0 auto; background: transparent; color: var(--gp-muted);
  border: 0; border-radius: 7px; padding: 10px 14px; min-height: 44px;
  font-family: var(--gp-font-mono); font-size: var(--gp-fs-micro); font-weight: 400;
  letter-spacing: .12em; white-space: nowrap; cursor: pointer;
  transition: color var(--gp-t), background var(--gp-t); }
.gp-tab:hover { color: var(--gp-fg); }
.gp-tab.on { background: var(--gp-accent); color: var(--gp-accent-ink); font-weight: 700; }
.gp-tab.on:hover { color: var(--gp-accent-ink); }
.gp-tabpane { padding: 24px 0 8px; }

/* ── stat card: big number + small label ────────────────────────────────── */
.gp-stat { background: var(--gp-bg-raise); border: 1px solid var(--gp-line);
  border-radius: var(--gp-radius); padding: 16px 18px; }
.gp-stat-num { font-family: var(--gp-font-mono); font-size: 24px; font-weight: 700;
  letter-spacing: -.5px; }
.gp-stat-num .gp-stat-unit { font-size: var(--gp-fs-micro); font-weight: 400;
  color: var(--gp-muted); letter-spacing: .1em; }
.gp-stat-label { font-size: var(--gp-fs-micro); letter-spacing: .16em; color: var(--gp-muted);
  margin-bottom: 6px; }

/* ── horizontal bar with a visible amount ───────────────────────────────── */
.gp-bar { display: flex; align-items: center; gap: 10px; font-size: var(--gp-fs-micro);
  margin-top: 8px; }
.gp-bar:first-child { margin-top: 0; }
.gp-bar-label { width: 64px; flex: none; color: var(--gp-muted); letter-spacing: .14em;
  font-size: var(--gp-fs-micro); }
.gp-bar-track { flex: 1; height: 10px; background: var(--gp-bg-inset);
  border: 1px solid var(--gp-line); border-radius: 3px; overflow: hidden; }
.gp-bar-fill { height: 100%; background: var(--gp-fg); }
.gp-bar-fill.dim { background: var(--gp-faint); }
.gp-bar-val { flex: none; min-width: 96px; text-align: right; }

/* ── stepper: vertical step cards + the horizontal progress row ─────────── */
.gp-step { background: var(--gp-bg-raise); border: 1px solid var(--gp-line);
  border-radius: var(--gp-radius); padding: var(--gp-s5); margin-top: var(--gp-s5);
  transition: border-color var(--gp-t); }
.gp-step.on { border-color: var(--gp-line-strong); }
.gp-step-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 14px; }
.gp-step-num { font-family: var(--gp-font-display); font-weight: 700;
  font-size: var(--gp-fs-h3); color: var(--gp-accent); }
.gp-step-title { font-family: var(--gp-font-display); font-weight: 500;
  font-size: var(--gp-fs-h3); color: var(--gp-fg); }
.gp-steps { display: flex; gap: 6px; margin: 0 0 16px; list-style: none; }
.gp-step-i { flex: 1 1 0; text-align: center; padding: 10px 4px; min-height: 44px;
  font-size: var(--gp-fs-micro); letter-spacing: .08em; color: var(--gp-muted);
  background: var(--gp-bg-inset); border: 1px solid var(--gp-line);
  border-radius: var(--gp-radius-sm); }
.gp-step-i.on { border-color: var(--gp-accent); color: var(--gp-fg); font-weight: 700; }
.gp-step-i.done { color: var(--gp-fg); border-color: var(--gp-line-strong); }

/* ── skeleton shimmer blocks (boot + loading states). Size with inline
   width/height to echo the content they stand in for. ──────────────────── */
.gp-skeleton { display: block; border-radius: var(--gp-radius-sm);
  background: linear-gradient(100deg, var(--gp-bg-raise) 32%, var(--gp-sheen) 50%,
    var(--gp-bg-raise) 68%);
  background-size: 200% 100%; animation: gpShimmer 1.4s linear infinite; }
@keyframes gpShimmer { from { background-position: 160% 0; } to { background-position: -60% 0; } }

/* ── empty state ────────────────────────────────────────────────────────── */
.gp-empty { border: 1px dashed var(--gp-line-strong); border-radius: var(--gp-radius);
  padding: 40px 24px; margin-top: 16px; text-align: center; color: var(--gp-muted);
  font-size: var(--gp-fs-small); }
.gp-empty-title { font-family: var(--gp-font-display); font-size: var(--gp-fs-h3);
  font-weight: 500; color: var(--gp-fg); margin-bottom: 6px; }

/* ── key/value rows ─────────────────────────────────────────────────────── */
.gp-kv { display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  padding: 10px 0; border-bottom: 1px solid var(--gp-line-soft); font-size: var(--gp-fs-small); }
.gp-kv:last-child { border-bottom: 0; }
.gp-kv > .gp-k { flex: none; color: var(--gp-muted); }
.gp-kv > .gp-v { text-align: right; color: var(--gp-fg); word-break: break-all; }

/* ── toast (class form; the app uses #gp-toast with the same look) ──────── */
.gp-toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--gp-fg); color: var(--gp-bg); border-radius: var(--gp-radius-sm);
  padding: 12px 20px; font-family: var(--gp-font-mono); font-size: var(--gp-fs-small);
  font-weight: 700; letter-spacing: .04em; z-index: 99; max-width: 90vw; text-align: center;
  box-shadow: var(--gp-shadow); }

/* ── reduced motion: no shimmer, no transitions ─────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important;
    animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .gp-skeleton { animation: none; }
}

@media (max-width: 700px) {
  .gp-nav { padding: 0 12px; gap: 8px; }
  .gp-nav-logo { font-size: 13px; }
  .gp-nav-link { padding: 8px 9px; font-size: var(--gp-fs-micro); }
  .gp-card { padding: 16px; }
  .gp-step { padding: 16px; }
}