/* ============================================================================
 * DocuMate — shared UI/UX design system  (Bold & modern, gradient-free)
 * ----------------------------------------------------------------------------
 * Loaded on top of the Tailwind CDN build in every layout. Component classes are
 * namespaced `dm-*`. The accent is the `--brand` CSS var each layout sets from
 * the company's brand color. Direction: solid accents, generous space, strong
 * hierarchy (Open Sans display face), depth from shadow + hairline — never gradients.
 * ========================================================================== */

:root {
  --brand: #6D28D9;
  --brand-strong: color-mix(in srgb, var(--brand) 82%, black);
  --brand-tint:   color-mix(in srgb, var(--brand) 10%, white);
  --brand-wash:   color-mix(in srgb, var(--brand) 8%, white);
  --brand-line:   color-mix(in srgb, var(--brand) 26%, white);
  --brand-ring:   color-mix(in srgb, var(--brand) 32%, transparent);

  /* Chosen neutrals — a cool slate biased slightly toward the accent. */
  --ink:    #0C1220;
  --ink-2:  #37425A;
  --muted:  #697184;
  --faint:  #98A1B4;
  --line:   #E6E9F2;
  --line-2: #EEF0F7;
  --canvas: #F4F5FA;
  --surface:#FFFFFF;
  --surface-2:#F8F9FD;

  /* Semantic (separate from the accent). */
  --info:#2563EB; --info-wash:#E8EEFE;
  --warn:#C2660A; --warn-wash:#FBEFDB;
  --ok:#047857;   --ok-wash:#DDF3EA;
  --bad:#DC2626;  --bad-wash:#FCE7E7;

  --r:   1rem;      /* 16px cards */
  --r-sm:0.7rem;
  --shadow-sm: 0 1px 2px rgb(12 18 32 / .06);
  --shadow:    0 6px 18px -8px rgb(12 18 32 / .14), 0 2px 6px -2px rgb(12 18 32 / .06);
  --shadow-md: 0 12px 30px -12px rgb(12 18 32 / .20);

  --font-display: "Open Sans", ui-sans-serif, system-ui, sans-serif;
}

/* ----------------------------------------------------------------------------
 * 1. Accessibility + base typography
 * -------------------------------------------------------------------------- */
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--brand); outline-offset: 2px; border-radius: 6px;
}
:where(a, button, input, select, textarea, summary, [tabindex]):focus:not(:focus-visible) { outline: none; }
input[type="checkbox"], input[type="radio"], input[type="range"], progress { accent-color: var(--brand); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important; animation-iteration-count: 1 !important;
    transition-duration: .001ms !important; scroll-behavior: auto !important;
  }
}

html { -webkit-text-size-adjust: 100%; }
body {
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.006em; color: var(--ink-2);
}
/* Open Sans carries the hierarchy on every heading + display number. */
h1, h2, h3, h4, .dm-page-title, .dm-section-title, .dm-stat-value, .dm-display {
  font-family: var(--font-display); letter-spacing: -0.02em; color: var(--ink);
}
.tnum, .dm-stat-value { font-variant-numeric: tabular-nums; }

* { scrollbar-width: thin; scrollbar-color: #cbd5e1 transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 9999px; border: 3px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; background-clip: content-box; }

/* ----------------------------------------------------------------------------
 * 2. Buttons — solid, confident, depth from shadow (no gradients)
 * -------------------------------------------------------------------------- */
.dm-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-size: 0.875rem; font-weight: 650; line-height: 1.25rem; letter-spacing: -0.01em;
  padding: 0.6rem 1rem; border-radius: 0.75rem;
  border: 1px solid transparent; cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, box-shadow .15s ease, transform .12s ease;
  white-space: nowrap; user-select: none;
}
.dm-btn:active { transform: translateY(0.5px); }
.dm-btn:disabled { opacity: .55; cursor: not-allowed; }

.dm-btn-primary { background: var(--brand); color: #fff; box-shadow: 0 2px 6px -1px var(--brand-ring); }
.dm-btn-primary:hover { background: var(--brand-strong); transform: translateY(-1px); box-shadow: 0 7px 16px -4px var(--brand-ring); }
.dm-btn-primary:active { transform: translateY(0); }

.dm-btn-secondary { background: var(--surface); color: var(--ink); border-color: var(--line); box-shadow: var(--shadow-sm); }
.dm-btn-secondary:hover { border-color: var(--faint); background: var(--surface-2); transform: translateY(-1px); }
.dm-btn-secondary:active { transform: translateY(0); }

.dm-btn-ghost { background: transparent; color: var(--muted); }
.dm-btn-ghost:hover { background: var(--surface-2); color: var(--ink); }

.dm-btn-danger { background: var(--surface); color: var(--bad); border-color: #f6cccc; }
.dm-btn-danger:hover { background: var(--bad-wash); border-color: #f0a9a9; }
.dm-btn-danger-solid { background: var(--bad); color: #fff; }
.dm-btn-danger-solid:hover { filter: brightness(.94); transform: translateY(-1px); }

.dm-btn-sm { padding: 0.42rem 0.72rem; font-size: 0.8125rem; border-radius: 0.6rem; }
.dm-btn-lg { padding: 0.72rem 1.25rem; font-size: 0.9375rem; }
.dm-btn-block { width: 100%; }

/* ----------------------------------------------------------------------------
 * 3. Forms
 * -------------------------------------------------------------------------- */
.dm-input, .dm-select, .dm-textarea {
  width: 100%; font-size: 0.875rem; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: 0.7rem;
  padding: 0.62rem 0.8rem; line-height: 1.4; box-shadow: var(--shadow-sm);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.dm-input:hover, .dm-select:hover, .dm-textarea:hover { border-color: #cfd6e4; }
.dm-input::placeholder, .dm-textarea::placeholder { color: var(--faint); }
.dm-input:focus, .dm-select:focus, .dm-textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3.5px var(--brand-ring);
}
.dm-textarea { min-height: 6rem; resize: vertical; }
.dm-label { display: block; font-size: 0.8125rem; font-weight: 650; color: var(--ink-2); margin-bottom: 0.35rem; }
.dm-hint { font-size: 0.75rem; color: var(--muted); margin-top: 0.3rem; }

/* ----------------------------------------------------------------------------
 * 4. Cards & surfaces
 * -------------------------------------------------------------------------- */
.dm-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow-sm); }
.dm-card-pad { padding: 1.25rem; }
.dm-card-hover { transition: transform .18s cubic-bezier(.2,.7,.3,1), box-shadow .18s ease, border-color .18s ease; }
.dm-card-hover:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--brand) 28%, var(--line)); }
.dm-surface-brand { background: var(--brand-wash); border: 1px solid var(--brand-line); }

/* App canvas: a clean, solid off-white (no gradient wash). */
.dm-app-bg { background: var(--canvas); }

/* ----------------------------------------------------------------------------
 * 5. Responsive sidebar drawer (mobile)
 * -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
  .dm-sidebar {
    position: fixed; top: 0; bottom: 0; left: 0; width: 16rem; z-index: 50;
    transform: translateX(-100%); transition: transform .22s ease;
    box-shadow: 0 10px 40px -10px rgb(15 23 42 / .35);
  }
  .dm-sidebar.is-open { transform: translateX(0); }
}

/* ----------------------------------------------------------------------------
 * 6. Content components
 * -------------------------------------------------------------------------- */
.dm-page-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.dm-page-title { font-size: 1.9rem; line-height: 1.05; font-weight: 800; }
.dm-page-sub { font-size: 0.9375rem; color: var(--muted); margin-top: 0.45rem; }
.dm-section-title { font-size: 1rem; font-weight: 750; color: var(--ink); }
.dm-eyebrow {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.6875rem; font-weight: 750; text-transform: uppercase; letter-spacing: 0.09em;
  color: var(--brand-strong); background: var(--brand-wash); padding: 0.3rem 0.6rem; border-radius: 999px;
}

/* Stat / KPI card — clean, no accent rail. */
.dm-stat { position: relative; }
.dm-stat-value { font-size: 1.9rem; font-weight: 800; }
.dm-stat-label { font-size: 0.78rem; font-weight: 600; color: var(--muted); }

.dm-chip { display: inline-flex; align-items: center; justify-content: center; border-radius: .7rem; }

/* Status pill with a leading dot — reusable across documents/dashboard. */
.dm-pill { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.75rem; font-weight: 700; padding: 0.22rem 0.6rem; border-radius: 999px; white-space: nowrap; }
.dm-pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.dm-pill--info  { color: var(--info); background: var(--info-wash); }
.dm-pill--warn  { color: var(--warn); background: var(--warn-wash); }
.dm-pill--ok    { color: var(--ok);   background: var(--ok-wash); }
.dm-pill--bad   { color: var(--bad);  background: var(--bad-wash); }
.dm-pill--brand { color: var(--brand-strong); background: var(--brand-wash); }
.dm-pill--muted { color: var(--muted); background: var(--surface-2); }
.dm-delta { font-size: 0.75rem; font-weight: 750; display: inline-flex; align-items: center; gap: 0.25rem; padding: 0.15rem 0.5rem; border-radius: 999px; }
.dm-delta--up { color: var(--ok); background: var(--ok-wash); }
.dm-delta--down { color: var(--bad); background: var(--bad-wash); }

/* Table */
.dm-table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 0.875rem; }
.dm-table thead th { text-align: left; font-size: 0.66rem; font-weight: 750; text-transform: uppercase; letter-spacing: 0.07em; color: var(--faint); padding: 0.7rem 1.25rem; border-bottom: 1px solid var(--line-2); background: var(--surface-2); }
.dm-table tbody td { padding: 0.85rem 1.25rem; border-bottom: 1px solid var(--line-2); vertical-align: middle; }
.dm-table tbody tr:last-child td { border-bottom: 0; }
.dm-table tbody tr { transition: background-color .12s ease; }
.dm-table tbody tr:hover { background: var(--surface-2); }
/* Every table gets a horizontal-scroll safety wrapper. */
.dm-table-wrap { overflow-x: auto; }

/* Empty state */
.dm-empty { display: flex; flex-direction: column; align-items: center; text-align: center; color: var(--muted); padding: 3.5rem 1rem; }
.dm-empty-icon { width: 3.25rem; height: 3.25rem; border-radius: 1rem; background: var(--surface-2); display: flex; align-items: center; justify-content: center; color: var(--faint); margin-bottom: 0.85rem; font-size: 1.25rem; }

/* Tabs */
.dm-tab { position: relative; padding: 0.65rem 0.15rem; font-size: 0.875rem; font-weight: 600; color: var(--muted); transition: color .12s ease; }
.dm-tab:hover { color: var(--ink-2); }
.dm-tab-active { color: var(--ink); }
.dm-tab-active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; border-radius: 2px; background: var(--brand); }

/* Segmented control */
.dm-seg { display: inline-flex; background: var(--surface-2); border: 1px solid var(--line); border-radius: 0.65rem; padding: 3px; }
.dm-seg > button { border: none; background: none; font: inherit; font-size: 0.78rem; font-weight: 650; color: var(--muted); padding: 0.32rem 0.7rem; border-radius: 0.45rem; cursor: pointer; }
.dm-seg > button.is-on { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-sm); }

/* ----------------------------------------------------------------------------
 * 7. Dialog polish + animations
 * -------------------------------------------------------------------------- */
dialog::backdrop { background: rgb(12 18 32 / .45); backdrop-filter: blur(2px); }
dialog[open] { animation: dm-dialog-in .18s ease-out; }
@keyframes dm-dialog-in { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes dm-fade-in { from { opacity: 0; } to { opacity: 1; } }
.dm-fade-in { animation: dm-fade-in .2s ease both; }
@keyframes dm-slide-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.dm-slide-up { animation: dm-slide-up .25s ease both; }