/* ============================================================
   RetroClaim HSA — design system (tokens + base components)
   Drop-in replacement for the visual layer of static/app.css
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500;600&display=swap");

:root {
  /* Paper */
  --bg-deep: #ece2c9;
  --bg: #f4ede0;
  --bg-soft: #f9f3e6;
  --paper: #fbf7ee;
  --paper-raised: #ffffff;

  /* Ink */
  --ink: #1f1810;
  --ink-2: #3a3024;
  --ink-3: #6b6051;
  --ink-4: #948a78;
  --ink-5: #b8ac96;

  /* Lines */
  --line: #e3d8be;
  --line-strong: #d5c8a8;

  /* Accent — burnt sienna */
  --accent: #a44a2a;
  --accent-2: #8a3e23;
  --accent-soft: #efd7c6;
  --accent-tint: #f7e8dd;

  /* Sage — secondary / ok */
  --sage: #6b8f5e;
  --sage-2: #557648;
  --sage-soft: #d6dfc5;
  --sage-tint: #e8efde;

  /* Status */
  --warn: #b97f24;
  --warn-soft: #f4e4ba;
  --danger: #b04326;
  --danger-soft: #f3d7cd;
  --info: #4d6f8f;
  --info-soft: #d8e3ec;

  /* Audit tiers */
  --tier-0: #c5b89c;
  --tier-1: #d3a26b;
  --tier-2: #c08a3c;
  --tier-3: #8a6f3a;
  --tier-4: #6b8f5e;

  /* Claim types */
  --type-medical:  #4d6f8f;
  --type-pharmacy: #6b8f5e;
  --type-dental:   #b97f24;
  --type-vision:   #8a4f8b;
  --type-mental:   #a44a2a;
  --type-therapy:  #9a6a3a;
  --type-lab:      #5a7a6b;
  --type-other:    #948a78;

  /* Radii */
  --r-xs: 4px; --r-sm: 6px; --r: 10px; --r-lg: 14px; --r-xl: 20px;

  /* Shadows */
  --shadow-sm: 0 1px 0 rgba(31,24,16,.04), 0 1px 2px rgba(31,24,16,.05);
  --shadow:    0 1px 0 rgba(31,24,16,.05), 0 4px 14px -8px rgba(31,24,16,.18);
  --shadow-lg: 0 1px 0 rgba(31,24,16,.06), 0 18px 40px -22px rgba(31,24,16,.35);

  /* Type */
  --font-display: "Instrument Serif", "Source Serif 4", Georgia, serif;
  --font-ui: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Density */
  --pad-card: 18px;
  --row-h: 64px;
  --gap: 14px;
}

[data-density="compact"] {
  --pad-card: 12px;
  --row-h: 52px;
  --gap: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; min-height: 100%; }
body {
  font-family: var(--font-ui);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); text-decoration: underline; }

/* ── Type primitives ── */
.t-display { font-family: var(--font-display); font-weight: 400; letter-spacing: -0.01em; }
.t-mono    { font-family: var(--font-mono); font-feature-settings: "tnum" 1, "zero" 1; font-variant-numeric: tabular-nums; }
.t-eyebrow {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-3);
  font-weight: 500;
  line-height: 1;
}
.t-eyebrow.accent { color: var(--accent); }
.muted  { color: var(--ink-3); }
.muted-2{ color: var(--ink-4); }

/* ── Layout helpers ── */
.row { display: flex; align-items: center; }
.col { display: flex; flex-direction: column; }
.gap-1 { gap: 4px; } .gap-2 { gap: 8px; } .gap-3 { gap: 12px; }
.gap-4 { gap: 16px; } .gap-6 { gap: 24px; }
.flex-1 { flex: 1; min-width: 0; }
.hide-mobile { }
@media (max-width: 720px) {
  .hide-mobile { display: none !important; }
}
.show-mobile { display: none; }
@media (max-width: 720px) {
  .show-mobile { display: inline; }
}

/* ── App shell ── */
.app-shell {
  display: flex; flex-direction: column;
  min-height: 100vh;
}
.app-main {
  flex: 1;
  padding: 16px 18px 100px;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
}
@media (min-width: 960px) {
  .app-shell { flex-direction: row; }
  .app-main { padding: 28px 36px; max-width: 1200px; }
}

/* ── Top bar (mobile) ── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px 10px;
  background: var(--bg);
}
.topbar-brand {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.015em;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex; align-items: baseline; gap: 4px;
}
.topbar-brand i { font-style: italic; }
.topbar-actions {
  display: flex; align-items: center; gap: 14px;
  color: var(--ink-2);
}
.topbar-actions a { color: inherit; line-height: 0; }
.topbar-actions a:hover { color: var(--ink); }

/* avatar */
.avatar {
  display: inline-grid; place-items: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  font-size: 12px; font-weight: 600;
}

/* ── Bottom nav (mobile only) ── */
.bottom-nav-wrap {
  position: fixed;
  left: 0; right: 0;
  bottom: calc(8px + env(safe-area-inset-bottom, 0px));
  margin: 0 auto;
  padding: 0 4px;
  max-width: 640px;
  z-index: 30;
}
.bottom-nav {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 20px 40px -20px rgba(31,24,16,.25);
  display: flex; align-items: center; justify-content: space-around;
  padding: 14px 8px;
  /* Parent .bottom-nav-wrap is forced display:flex by the [data-mobile-only] rule,
     which makes this a flex item that would otherwise shrink to icon-content width. */
  width: 100%;
  box-sizing: border-box;
}
.bottom-nav a, .bottom-nav button {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  padding: 4px 2px;
  background: transparent; border: none; cursor: pointer;
  color: var(--ink-4);
  font: 500 12px/1.2 var(--font-ui);
  text-decoration: none;
  position: relative;
}
.bottom-nav a svg, .bottom-nav button svg {
  width: 26px; height: 26px;
}
.bottom-nav a.active { color: var(--ink); font-weight: 600; }
.bottom-nav a.active svg { stroke-width: 2; }
.bottom-nav .nav-badge {
  position: absolute; top: 2px; right: calc(50% - 18px);
  background: var(--accent); color: #fff;
  font-size: 9px; padding: 0 5px; border-radius: 999px; font-weight: 600;
  line-height: 14px; min-width: 14px; text-align: center;
}
.bottom-nav .fab {
  background: var(--accent); color: #fff;
  width: 44px; height: 44px; border-radius: 14px;
  box-shadow: 0 6px 14px -6px var(--accent);
  display: grid; place-items: center;
  flex: 0 0 44px;
}
.bottom-nav .fab:hover { background: var(--accent-2); }
@media (min-width: 960px) {
  .bottom-nav-wrap { display: none; }
}

/* ── Sidebar (desktop) ── */
.sidebar {
  display: none;
  width: 240px; padding: 20px 14px;
  background: var(--paper);
  border-right: 1px solid var(--line);
  flex-direction: column;
}
@media (min-width: 960px) {
  .sidebar { display: flex; }
}
.sidebar-brand {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 8px 14px;
}
.sidebar-nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; border-radius: 8px;
  color: var(--ink-2);
  font-size: 13.5px; font-weight: 500;
  text-decoration: none;
}
.sidebar-nav a:hover { background: var(--bg); color: var(--ink); }
.sidebar-nav a.active {
  background: var(--bg); color: var(--ink); font-weight: 600;
}
.sidebar-nav .nav-badge {
  margin-left: auto;
  background: var(--accent); color: #fff;
  font-size: 10px; padding: 1px 6px; border-radius: 999px; font-weight: 600;
}
.sidebar-foot {
  margin-top: auto; padding: 16px 8px 4px;
  border-top: 1px solid var(--line);
  display: flex; align-items: center; gap: 10px;
}

/* ── Pills ── */
.pill {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px; font-weight: 500; line-height: 1.6;
  background: var(--bg);
  color: var(--ink-2);
  border: 1px solid var(--line-strong);
  white-space: nowrap;
}
.pill.ok      { background: var(--sage-tint); color: var(--sage-2); border-color: var(--sage-soft); }
.pill.warn    { background: var(--warn-soft); color: #7a5212; border-color: #ead7a6; }
.pill.danger  { background: var(--danger-soft); color: var(--danger); border-color: #ecc4b9; }
.pill.info    { background: var(--info-soft); color: var(--info); border-color: #cfdbe7; }
.pill.accent  { background: var(--accent-soft); color: var(--accent-2); border-color: #e9c8b3; }
.pill.solid-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.pill.solid-ink    { background: var(--ink); color: #fbf7ee; border-color: var(--ink); }
.pill.tier-0  { background: #ece2c9; color: var(--ink-3); border-color: var(--line-strong); }
.pill.tier-1  { background: #f0dabe; color: #7a5b1f; border-color: #e3c290; }
.pill.tier-2  { background: var(--warn-soft); color: #7a5212; border-color: #ead7a6; }
.pill.tier-3  { background: #e4d4a9; color: #5e4a16; border-color: #ccb56b; }
.pill.tier-4  { background: var(--sage-tint); color: var(--sage-2); border-color: var(--sage-soft); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 14px; border-radius: var(--r);
  font: 500 14px/1 var(--font-ui);
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line-strong);
  cursor: pointer;
  user-select: none;
  text-decoration: none;
  transition: transform .04s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { background: var(--bg-soft); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--ink); color: #fbf7ee; border-color: var(--ink);
}
.btn-primary:hover { background: #2c2218; color: #fbf7ee; }
.btn-accent {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.btn-accent:hover { background: var(--accent-2); color: #fff; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn-ghost:hover { background: var(--bg-soft); }
.btn-danger {
  background: var(--danger); color: #fff; border-color: var(--danger);
}
.btn-danger:hover { background: #963820; }
.btn-sm { padding: 6px 10px; font-size: 12.5px; border-radius: var(--r-sm); }
.btn-lg { padding: 14px 20px; font-size: 15px; }
.btn-icon { width: 36px; height: 36px; padding: 0; }
.btn:disabled { opacity: 0.45; cursor: default; }

/* ── Form controls ── */
.input, input[type="text"], input[type="email"], input[type="tel"],
input[type="number"], input[type="date"], input[type="search"],
input[type="password"], select, textarea {
  font: 400 14px var(--font-ui);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  padding: 10px 12px;
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}

/* ── Card / panel ── */
.card, .panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--pad-card);
}
.card-tight { padding: 12px 14px; }

/* ── Section header ── */
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 8px;
}
.section-head h2, .section-head h3 {
  margin: 0; font-size: 16px; font-weight: 600;
}
.section-action { font-size: 12px; color: var(--accent); cursor: pointer; }

/* ── Audit ring ── */
.audit-ring {
  --pct: 75;
  --size: 22px;
  --thick: 3px;
  display: inline-grid; place-items: center;
  width: var(--size); height: var(--size);
  border-radius: 999px;
  background:
    conic-gradient(currentColor calc(var(--pct) * 1%), var(--line) 0);
  color: var(--sage);
  position: relative;
}
.audit-ring::after {
  content: "";
  width: calc(var(--size) - var(--thick) * 2);
  height: calc(var(--size) - var(--thick) * 2);
  background: var(--paper);
  border-radius: 999px;
}
.audit-ring .num {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 9px; font-weight: 600;
  color: var(--ink-2);
}
.audit-ring.tier-4 { color: var(--sage); }
.audit-ring.tier-3 { color: var(--tier-3); }
.audit-ring.tier-2 { color: var(--tier-2); }
.audit-ring.tier-1 { color: var(--tier-1); }
.audit-ring.tier-0 { color: var(--tier-0); }

/* ── Type badge ── */
.type-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 10.5px; font-weight: 500; letter-spacing: 0.04em;
  padding: 2px 8px 2px 7px;
  border-radius: 4px;
}
.type-badge::before {
  content: ""; width: 6px; height: 6px; border-radius: 1px;
  background: currentColor;
}
.type-medical  { color: var(--type-medical);  background: color-mix(in srgb, var(--type-medical) 12%, transparent); }
.type-pharmacy { color: var(--type-pharmacy); background: color-mix(in srgb, var(--type-pharmacy) 12%, transparent); }
.type-dental   { color: var(--type-dental);   background: color-mix(in srgb, var(--type-dental) 12%, transparent); }
.type-vision   { color: var(--type-vision);   background: color-mix(in srgb, var(--type-vision) 12%, transparent); }
.type-mental,
.type-mental-health { color: var(--type-mental); background: color-mix(in srgb, var(--type-mental) 12%, transparent); }
.type-therapy  { color: var(--type-therapy);  background: color-mix(in srgb, var(--type-therapy) 12%, transparent); }
.type-lab,
.type-lab-imaging { color: var(--type-lab); background: color-mix(in srgb, var(--type-lab) 12%, transparent); }
.type-other    { color: var(--type-other);    background: color-mix(in srgb, var(--type-other) 12%, transparent); }

/* ── Flash messages ── */
.flash-wrap { margin: 0 0 14px; }
.flash {
  padding: 10px 14px; border-radius: var(--r);
  background: var(--paper); border: 1px solid var(--line-strong);
  font-size: 13px;
}
.flash-success { background: var(--sage-tint); border-color: var(--sage-soft); color: var(--sage-2); }
.flash-info    { background: var(--info-soft); border-color: #cfdbe7; color: var(--info); }
.flash-warning { background: var(--warn-soft); border-color: #ead7a6; color: #7a5212; }
.flash-error   { background: var(--danger-soft); border-color: #ecc4b9; color: var(--danger); }