/* ==========================================================================
   Insurance Engine – Base UI (Dark)
   Drop-in stylesheet for all pages
   --------------------------------------------------------------------------
   • Compact token block (colors/spacing/typography/radius/shadows)
   • Low-specificity selectors (:where) to avoid fighting inline styles
   • Strong focus-visible rings, high contrast, responsive tables
   • Minimal template changes required (classes optional in most cases)
   ========================================================================== */

:root {
  /* === Color tokens === */
  --bg: #0c1117;            /* page background */
  --surface: #0f1621;       /* cards/toolbars */
  --surface-2: #131c27;     /* table header/inputs */
  --elevated: #162234;      /* hovers/active rows */
  --border: #233040;        /* lines & input borders */
  --muted: #8aa0b6;         /* secondary text */
  --text: #e6edf3;          /* primary text */

  --primary: #4cc9f0;       /* brand/accent (links, primary buttons) */
  --primary-ink: #00131a;   /* readable text on primary */
  --success: #34d399;
  --warning: #f59e0b;
  --danger: #ef4444;

  --focus: #93c5fd;         /* focus ring */

  /* === Spacing scale (rem) === */
  --s-0: 0;
  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.25rem;
  --s-6: 1.5rem;
  --s-8: 2rem;
  --s-10: 2.5rem;

  /* === Typography === */
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Inter, Helvetica, Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  --fs-xs: 0.8125rem;
  --fs-sm: 0.9rem;
  --fs-md: 1rem;
  --fs-lg: 1.125rem;
  --lh: 1.5;

  /* === Radii & shadows === */
  --r-1: 6px;
  --r-2: 10px;
  --shadow-1: 0 1px 1px rgba(0,0,0,.35), 0 2px 8px rgba(0,0,0,.35);
  --shadow-focus: 0 0 0 3px color-mix(in oklab, var(--focus) 45%, transparent);

  /* === Component sizing === */
  --input-h: 2.5rem;
  --input-pad-x: var(--s-3);
  --btn-h: 2.5rem;
  --table-row-h: 2.75rem;

  color-scheme: dark;
}

/* -------------------- Base & layout -------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 var(--fs-md)/var(--lh) var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
a:hover { opacity: .9; }

img, svg, video { max-width: 100%; height: auto; }

.container {
  width: min(1100px, 92vw);
  margin-inline: auto;
  padding: var(--s-6) var(--s-4);
}

.page-title {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  margin: var(--s-4) 0 var(--s-3);
}

/* Cards / panels */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-2);
  box-shadow: var(--shadow-1);
}
.card__header,
.card__body {
  padding: var(--s-5);
}
.card__header {
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}

/* Utility stacks */
.stack-sm > * + * { margin-top: var(--s-2); }
.stack > * + * { margin-top: var(--s-4); }
.stack-lg > * + * { margin-top: var(--s-6); }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-5);
}
@media (max-width: 820px) {
  .grid-2 { grid-template-columns: 1fr; }
}

/* -------------------- Buttons -------------------- */
:where(button, .btn, [type="button"], [type="submit"], [role="button"]) {
  --btn-bg: var(--surface-2);
  --btn-fg: var(--text);
  --btn-bd: var(--border);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5ch;

  height: var(--btn-h);
  padding-inline: clamp(var(--s-3), 2.4vw, var(--s-5));
  border: 1px solid var(--btn-bd);
  border-radius: var(--r-1);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font: 600 var(--fs-sm)/1 var(--font-sans);
  letter-spacing: .01em;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 0 0 transparent;
  transition: transform .06s ease, background-color .15s ease, border-color .15s ease, opacity .15s ease;
}
.btn:hover,
button:hover { transform: translateY(-1px); }
.btn:active,
button:active { transform: translateY(0); }

.btn--primary {
  --btn-bg: var(--primary);
  --btn-fg: var(--primary-ink);
  --btn-bd: color-mix(in oklab, var(--primary) 65%, black);
}
.btn--secondary {
  --btn-bg: #94a3b8;         /* slate-400-ish for contrast on dark */
  --btn-fg: #0b1117;
  --btn-bd: #6b7280;
}
.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--text);
  --btn-bd: var(--border);
}
.btn--danger {
  --btn-bg: var(--danger);
  --btn-fg: #100b0b;
  --btn-bd: color-mix(in oklab, var(--danger) 65%, black);
}
.btn--sm { height: 2rem; padding-inline: var(--s-3); font-size: var(--fs-xs); }
.btn--lg { height: 3rem; padding-inline: var(--s-6); font-size: var(--fs-md); }

.btn[disabled],
button[disabled],
.btn.is-loading {
  opacity: .6;
  cursor: not-allowed;
  transform: none;
}

/* Icon-only buttons */
.btn--icon {
  width: var(--btn-h);
  padding: 0;
}

/* Button groups */
.btn-group { display: inline-flex; }
.btn-group > .btn:not(:first-child) { margin-left: -1px; }
.btn-group > .btn:first-child { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.btn-group > .btn:last-child { border-top-left-radius: 0; border-bottom-left-radius: 0; }
.btn-group > .btn:not(:first-child):not(:last-child) { border-radius: 0; }

/* -------------------- Forms -------------------- */
label { display: inline-block; font-weight: 600; margin-bottom: var(--s-2); }

:where(input, select, textarea) {
  width: 100%;
  height: var(--input-h);
  padding: 0 var(--input-pad-x);
  border: 1px solid var(--border);
  border-radius: var(--r-1);
  background: var(--surface-2);
  color: var(--text);
  font: 500 var(--fs-sm)/1 var(--font-sans);
  outline: none;
  transition: border-color .15s ease, background-color .15s ease, box-shadow .15s ease;
  accent-color: var(--primary);
}
textarea {
  min-height: calc(var(--input-h) * 2);
  padding-block: var(--s-2);
  line-height: 1.4;
  resize: vertical;
}
select { padding-right: var(--s-5); background-image: none; }

input::placeholder,
textarea::placeholder { color: color-mix(in oklab, var(--muted) 80%, transparent); }

input:disabled,
select:disabled,
textarea:disabled {
  opacity: .6;
  cursor: not-allowed;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.btn:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 0;
  box-shadow: var(--shadow-focus);
  border-color: color-mix(in oklab, var(--focus) 65%, var(--border));
}

/* Validation states */
.is-invalid,
:where(input, select, textarea):user-invalid {
  border-color: var(--danger);
}
.form-hint {
  color: var(--muted);
  font-size: var(--fs-xs);
  margin-top: var(--s-2);
}
.form-error {
  color: var(--danger);
  font-size: var(--fs-xs);
  margin-top: var(--s-2);
}

/* Form layout helpers (minimal template changes) */
.form-row {
  display: grid;
  grid-template-columns: minmax(140px, 240px) 1fr;
  gap: var(--s-4);
  align-items: start;
  padding: var(--s-2) 0;
}
.form-row--stack { grid-template-columns: 1fr; }
@media (max-width: 720px) {
  .form-row { grid-template-columns: 1fr; }
}

/* Inline controls */
.inline-controls {
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
}

/* Switch-style checkbox (optional) */
.switch {
  --w: 44px; --h: 24px;
  position: relative; width: var(--w); height: var(--h);
  background: var(--border);
  border-radius: var(--h);
  transition: background .15s ease;
}
.switch input { position: absolute; inset: 0; opacity: 0; }
.switch__dot {
  position: absolute; top: 2px; left: 2px; width: 20px; height: 20px;
  background: #fff; border-radius: 50%; transition: transform .15s ease;
}
.switch input:checked ~ .switch__dot { transform: translateX(20px); }
.switch input:checked ~ .switch__dot { background: #fff; }
.switch input:checked ~ .switch__track { background: var(--primary); }

/* -------------------- Tables -------------------- */
.table-wrap { overflow-x: auto; border-radius: var(--r-1); border: 1px solid var(--border); }
table { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--surface); }
thead th {
  position: sticky; top: 0;
  background: var(--surface-2);
  color: var(--text);
  text-align: left;
  font-size: var(--fs-sm);
  padding: 0.6rem var(--s-4);
  border-bottom: 1px solid var(--border);
}
tbody td {
  height: var(--table-row-h);
  padding: 0.6rem var(--s-4);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text);
}
tbody tr:nth-child(odd) td { background: color-mix(in oklab, var(--surface) 90%, black); }
tbody tr:hover td { background: var(--elevated); }

.table--compact thead th,
.table--compact tbody td { padding-block: 0.4rem; }

/* Cell helpers */
.td-num { text-align: right; font-variant-numeric: tabular-nums; }
.td-muted { color: var(--muted); }

/* Status badges for cells/labels */
.badge {
  display: inline-flex; align-items: center; gap: .5ch;
  padding: .2rem .5rem;
  border-radius: 999px;
  font-size: var(--fs-xs);
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
}
.badge--ok { background: color-mix(in oklab, var(--success) 18%, var(--surface-2)); border-color: color-mix(in oklab, var(--success) 32%, var(--border)); }
.badge--warn { background: color-mix(in oklab, var(--warning) 18%, var(--surface-2)); border-color: color-mix(in oklab, var(--warning) 32%, var(--border)); }
.badge--err { background: color-mix(in oklab, var(--danger) 18%, var(--surface-2)); border-color: color-mix(in oklab, var(--danger) 32%, var(--border)); }

/* -------------------- Toolbars (admin filters/search) -------------------- */
.toolbar {
  display: flex; align-items: center; gap: var(--s-3); flex-wrap: wrap;
  padding: var(--s-3); background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-1); box-shadow: var(--shadow-1);
}
.toolbar .spacer { flex: 1 1 auto; }
.toolbar input[type="search"] { max-width: 320px; }

/* -------------------- KPIs for admin -------------------- */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-4); }
@media (max-width: 960px) { .kpis { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .kpis { grid-template-columns: 1fr; } }

.kpi {
  padding: var(--s-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-2);
  box-shadow: var(--shadow-1);
}
.kpi__label { color: var(--muted); font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .06em; }
.kpi__value { font-size: clamp(1.1rem, 2.4vw, 1.4rem); font-weight: 700; margin-top: var(--s-2); }

/* -------------------- Code/Logs -------------------- */
code, pre, .code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: var(--fs-sm);
}
pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-1);
  padding: var(--s-4);
  overflow: auto;
}

/* -------------------- Misc helpers -------------------- */
hr { border: 0; border-top: 1px solid var(--border); margin: var(--s-6) 0; }
.muted { color: var(--muted); }
.surface { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-1); }
.center { display: grid; place-items: center; }

.visually-hidden { position: absolute !important; height: 1px; width: 1px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); white-space: nowrap; border: 0; padding: 0; margin: -1px; }

/* -------------------- Reduced motion -------------------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* -------------------- Print (simple) -------------------- */
@media print {
  body { background: #fff; color: #000; }
  .card, .toolbar, .kpi, .surface { border-color: #ccc; box-shadow: none; }
  a { color: #000; text-decoration: none; }
}

/* === Site-wide Top Nav === */
:root{
  --nav-h: 56px;
  --nav-bg: #0b0f14;
  --nav-fg: #e9eef5;
  --nav-accent: #8fb3ff;
  --nav-gap: 10px;
}

body{ margin:0; }

.topnav{
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--nav-bg);
  color: var(--nav-fg);
  border-bottom: 1px solid rgba(255,255,255,.08);
  height: var(--nav-h);
}

.topnav__inner{
  max-width: 1100px;
  margin: 0 auto;
  height: 100%;
  display: grid;
  grid-template-columns: auto 40px;
  align-items: center;
  padding: 0 12px;
  gap: var(--nav-gap);
}

.topnav__brand{
  font-weight: 700;
  letter-spacing: .3px;
  text-decoration: none;
  color: var(--nav-fg);
}

.topnav__toggle{
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--nav-fg);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.topnav__menu{
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--nav-bg);
  display: none;
  flex-direction: column;
  padding: 8px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.topnav__item{
  display: block;
  padding: 10px 14px;
  text-decoration: none;
  color: var(--nav-fg);
  border-radius: 8px;
}

.topnav__item:hover,
.topnav__item:focus{
  background: rgba(255,255,255,.06);
  outline: none;
}

.topnav__btn{
  background: transparent;
  border: 0;
  cursor: pointer;
  font: inherit;
  color: inherit;
  padding: 10px 14px;
  border-radius: 8px;
}
.topnav__logout{ margin: 0; }

.page{ padding-top: 12px; }

@media (min-width: 820px){
  .topnav__inner{ grid-template-columns: 1fr auto; }
  .topnav__toggle{ display:none; }
  .topnav__menu{
    position: static;
    display: flex !important;
    flex-direction: row;
    gap: 6px;
    border-bottom: 0;
    padding: 0;
  }
  .topnav__logout{ display: inline; }
}

.topnav__menu.is-open{ display: flex; }