/* ===========================================================================
   Monochrome theme — strictly black / white / grey. Smooth, minimal, high
   contrast. Status is conveyed by fill vs. outline (never colour), so it stays
   legible in pure greyscale.
   ========================================================================= */

:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-2: #fafafa;
  --ink: #0a0a0a;
  --ink-soft: #2b2b2b;
  --muted: #767676;
  --line: #e6e6e6;
  --line-strong: #0a0a0a;
  --accent: #0a0a0a;
  --accent-ink: #ffffff;
  --ring: rgba(10, 10, 10, 0.14);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 8px 24px rgba(0, 0, 0, 0.04);
  --radius: 14px;
  --radius-sm: 9px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px 72px;
  animation: rise 0.4s var(--ease) both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* --- typography --- */
h1 { font-size: 1.55rem; font-weight: 700; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 1.12rem; font-weight: 650; letter-spacing: -0.01em; margin: 0 0 14px; }
h3 { font-size: 0.78rem; font-weight: 600; margin: 18px 0 8px; color: var(--muted);
     text-transform: uppercase; letter-spacing: 0.08em; }
p  { margin: 0 0 12px; }
.muted { color: var(--muted); }
.req { color: var(--ink); font-weight: 700; }

/* --- cards --- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  margin-bottom: 22px;
  box-shadow: var(--shadow);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}
.card.narrow { max-width: 400px; margin: 8vh auto; }
.card.center { text-align: center; padding: 52px 26px; }

/* --- forms --- */
.field { margin-bottom: 18px; }
label { display: block; font-weight: 600; margin-bottom: 7px; font-size: 0.9rem; letter-spacing: -0.01em; }

input, textarea, select {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid #d6d6d6;
  border-radius: var(--radius-sm);
  font-size: 0.98rem;
  font-family: inherit;
  color: var(--ink);
  background: var(--surface);
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease), background 0.18s var(--ease);
  appearance: none;
}
input::placeholder, textarea::placeholder { color: #a6a6a6; }
input:hover, textarea:hover, select:hover { border-color: #b4b4b4; }
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--line-strong);
  box-shadow: 0 0 0 4px var(--ring);
}
textarea { resize: vertical; min-height: 84px; }

/* file input */
input[type="file"] { padding: 9px 12px; cursor: pointer; background: var(--surface-2); }
input[type="file"]::file-selector-button {
  margin-right: 12px;
  border: 1px solid var(--line-strong);
  background: var(--ink);
  color: var(--accent-ink);
  padding: 7px 14px;
  border-radius: 7px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.18s var(--ease);
}
input[type="file"]::file-selector-button:hover { opacity: 0.82; }

/* --- buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 11px 20px;
  font-size: 0.96rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s var(--ease), background 0.18s var(--ease), box-shadow 0.18s var(--ease);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
}
.btn:hover { background: var(--ink-soft); box-shadow: 0 4px 14px rgba(0, 0, 0, 0.14); }
.btn:active { transform: translateY(1px); box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 4px var(--ring); }
.btn.small { padding: 7px 14px; font-size: 0.83rem; }
.btn.ghost { background: transparent; color: var(--ink); border-color: #d6d6d6; box-shadow: none; }
.btn.ghost:hover { background: var(--surface-2); border-color: var(--line-strong); }

.link { color: var(--ink); text-decoration: none; font-weight: 600; border-bottom: 1px solid var(--line); transition: border-color 0.18s var(--ease); }
.link:hover { border-color: var(--line-strong); }

/* --- alerts --- */
.alert { padding: 12px 15px; border-radius: var(--radius-sm); margin-bottom: 18px; font-size: 0.92rem; border: 1px solid var(--line-strong); }
.alert.error { background: var(--surface-2); color: var(--ink); border-left: 4px solid var(--ink); }
.field-error { color: var(--ink); font-weight: 600; font-size: 0.84rem; margin-top: 5px; }

/* --- layout helpers --- */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 20px; }
.inline-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.inline-form > input[type="text"] { flex: 1; min-width: 200px; }

/* --- tables --- */
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
thead th { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 600; }
tbody tr { transition: background 0.15s var(--ease); }
tbody tr:hover { background: var(--surface-2); }
table.kv th { width: 34%; color: var(--muted); font-weight: 600; vertical-align: top; }

/* --- badges: distinguished by fill vs outline, not colour --- */
.badge {
  display: inline-block;
  padding: 3px 11px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: capitalize;
  letter-spacing: 0.01em;
  border: 1px solid var(--line-strong);
}
.badge.done    { background: var(--ink); color: var(--accent-ink); }      /* solid */
.badge.pending { background: transparent; color: var(--ink); }            /* outline */
.badge.expired { background: var(--surface-2); color: var(--muted); border-color: #cfcfcf; text-decoration: line-through; }
.badge.doc     { background: transparent; color: var(--ink); margin-left: 8px; border-style: dashed; }

/* --- link field --- */
.link-input {
  font-family: "SF Mono", ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
  font-size: 0.8rem;
  padding: 8px 10px;
  background: var(--surface-2);
  border-color: var(--line);
  cursor: pointer;
}
.expiry-input { width: 96px; flex: 0 0 auto; }
.small-note { font-size: 0.82rem; margin: 12px 0 0; }
.footer-note { text-align: center; color: var(--muted); font-size: 0.84rem; margin-top: 18px; }

/* --- success/closed states --- */
.big-check { font-size: 2.6rem; line-height: 1; margin-bottom: 6px; }
.big-check.muted { color: var(--muted); }

/* --- raw OCR --- */
.raw {
  background: var(--ink);
  color: #f2f2f2;
  padding: 15px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}
details summary { cursor: pointer; color: var(--muted); font-size: 0.86rem; margin-top: 10px; user-select: none; transition: color 0.15s var(--ease); }
details summary:hover { color: var(--ink); }
details[open] summary { margin-bottom: 10px; }

/* --- responsive --- */
@media (max-width: 620px) {
  .container { padding: 24px 16px 56px; }
  .card { padding: 20px; }
  .topbar { flex-direction: column; align-items: flex-start; }
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  tbody tr { border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 12px; padding: 6px 4px; }
  td { border: none; padding: 6px 12px; }
}

/* ===========================================================================
   LLP intake form — sections, uploads, autofill (all monochrome)
   ========================================================================= */

.page-head { margin-bottom: 20px; }
.page-head h1 { margin-bottom: 6px; }

.card.section { animation: rise 0.4s var(--ease) both; }
.section > h2 {
  padding-bottom: 12px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

/* uploads */
.uploads {
  display: grid;
  gap: 16px;
  margin-bottom: 22px;
  padding: 16px;
  background: var(--surface-2);
  border: 1px dashed #d0d0d0;
  border-radius: var(--radius-sm);
}
@media (min-width: 640px) {
  .uploads { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
}
.upload label { font-size: 0.88rem; }

.upload-status { font-size: 0.82rem; margin-top: 6px; min-height: 1.1em; color: var(--muted); }
.upload-status.reading { color: var(--ink); }
.upload-status.reading::before { content: "◍ "; animation: pulse 1s ease-in-out infinite; }
.upload-status.ok { color: var(--ink); font-weight: 600; }
.upload-status.warn { color: var(--ink-soft); font-style: italic; }

@keyframes pulse { 0%, 100% { opacity: 0.35; } 50% { opacity: 1; } }

/* help + autofill hints */
.help { font-size: 0.8rem; color: var(--muted); margin-top: 5px; }
.autofill-note { font-size: 0.78rem; color: var(--muted); margin-top: 5px; min-height: 0; }

/* a field the system auto-filled: subtle grey wash + left rule */
.autofilled {
  background: var(--surface-2);
  border-left: 3px solid var(--ink);
}
.field .flash { animation: flashfill 0.7s var(--ease); }
@keyframes flashfill {
  0% { background: #ececec; }
  100% { background: var(--surface-2); }
}

/* DIN-conditional fields hide smoothly */
.field.din-hidden { display: none; }

.btn-lg { padding: 13px 26px; font-size: 1rem; width: 100%; margin-top: 4px; }
@media (min-width: 520px) { .btn-lg { width: auto; } }

/* admin submission blocks */
.doc-block {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 16px;
  background: var(--surface-2);
}
.doc-title { margin: 0; text-transform: none; letter-spacing: normal; font-size: 0.95rem; color: var(--ink); }
.tiny { font-size: 0.8rem; }

@media (prefers-reduced-motion: reduce) {
  *, .container, .card.section { animation: none !important; transition: none !important; }
  .upload-status.reading::before { animation: none !important; }
}