/* Harwick Intelligence Cases — single CSS file, GOV.UK aesthetic.
   Mirrors harwickintelligence.com/static/css/main.css for visual consistency. */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

:root {
  --black:        #0b0c0c;
  --white:        #ffffff;
  --grey-1:       #f3f2f1;
  --grey-2:       #b1b4b6;
  --grey-3:       #505a5f;
  --link:         #1d70b8;
  --link-hover:   #003078;
  --link-visited: #4c2c92;
  --focus:        #ffdd00;
  --focus-text:   #0b0c0c;
  --green:        #00703c;
  --green-dark:   #005a30;
  --amber:        #b58840;
  --red:          #d4351c;
  --border:       #b1b4b6;
  --font-body:    'Source Sans 3', Arial, sans-serif;
  --font-head:    'Source Serif 4', Georgia, serif;
  --font-mono:    ui-monospace, 'JetBrains Mono', Consolas, Menlo, monospace;
}

html { font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--black);
  background: var(--white);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Links */
a { color: var(--link); text-decoration: underline; }
a:hover  { color: var(--link-hover); }
a:visited { color: var(--link-visited); }
a:focus { outline: none; }
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 0;
  background: var(--focus);
  color: var(--focus-text);
  text-decoration: none;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -9999px; left: 0;
  background: var(--focus);
  color: var(--black);
  padding: 8px 16px;
  font-weight: 600;
  z-index: 9999;
}
.skip-link:focus { top: 0; }

/* Header */
.site-header { background: var(--white); border-bottom: 4px solid var(--green); }
.header-inner {
  max-width: 1400px;
  margin: 0;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.logo-block { display: flex; align-items: center; gap: 16px; text-decoration: none; }
.logo-block:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; background: none; }
.logo-mark { flex-shrink: 0; width: 28px; height: 36px; }
.logo-text { display: flex; flex-direction: column; gap: 3px; }
.logo-name {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--black);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1;
}
.logo-sub {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--grey-3);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  line-height: 1;
}
.header-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.875rem;
  color: var(--grey-3);
}
.header-meta a { color: var(--black); }
.header-meta form { display: inline; }
.header-meta button {
  background: none; border: 0; padding: 0;
  font: inherit; color: var(--black);
  cursor: pointer; text-decoration: underline;
}
.header-meta button:hover { color: var(--green); }

/* Navigation */
.site-nav { background: var(--white); border-bottom: 2px solid var(--black); }
.nav-inner {
  max-width: 1400px;
  margin: 0;
  padding: 0 32px;
  display: flex;
  flex-wrap: wrap;
}
.nav-inner a {
  display: block;
  padding: 13px 16px;
  color: var(--black);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: border-color 0.15s;
}
.nav-inner a:hover  { border-bottom-color: var(--green); }
.nav-inner a.active { border-bottom-color: var(--black); }
.nav-inner a:visited { color: var(--black); }

/* Page header */
.page-head {
  background: var(--grey-1);
  border-bottom: 1px solid var(--border);
  padding: 32px;
}
.page-head-inner { max-width: 1400px; margin: 0; }
.breadcrumb { font-size: 0.875rem; color: var(--grey-3); margin-bottom: 12px; }
.breadcrumb a { color: var(--link); }
.breadcrumb span { margin: 0 6px; color: var(--grey-2); }
.page-head h1 {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 8px;
}
.page-head .lead {
  font-size: 1rem;
  color: var(--grey-3);
  max-width: 720px;
}
.page-head-actions { margin-top: 16px; display: flex; gap: 12px; flex-wrap: wrap; }

/* Main content */
main {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0;
  padding: 32px 32px 64px;
}

.section { margin-bottom: 40px; }
.section-heading {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-top: 16px;
  border-top: 2px solid var(--black);
}
.section-heading:first-child { padding-top: 0; border-top: 0; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 20px;
  font-size: 0.95rem;
  font-weight: 700;
  font-family: var(--font-body);
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  background: var(--white);
}
.btn:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; background: var(--white); color: var(--black); }
.btn-primary { background: var(--green); color: var(--white); border-color: var(--green); }
.btn-primary:hover { background: var(--green-dark); border-color: var(--green-dark); color: var(--white); }
.btn-primary:visited { color: var(--white); }
.btn-secondary { background: var(--white); color: var(--black); border-color: var(--black); }
.btn-secondary:hover { background: var(--grey-1); color: var(--black); }
.btn-secondary:visited { color: var(--black); }
.btn-danger { background: var(--white); color: var(--red); border-color: var(--red); }
.btn-danger:hover { background: var(--red); color: var(--white); }
.btn-danger:visited { color: var(--red); }
.btn-sm { padding: 6px 12px; font-size: 0.85rem; }

/* Forms */
.form-group { margin-bottom: 18px; max-width: 640px; }
.form-group.wide { max-width: none; }
label, .form-label {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 6px;
}
.form-hint {
  display: block;
  font-size: 0.85rem;
  color: var(--grey-3);
  margin-bottom: 6px;
}
input[type="text"], input[type="email"], input[type="tel"], input[type="url"],
input[type="password"], input[type="search"], input[type="datetime-local"],
input[type="number"], textarea, select {
  width: 100%;
  padding: 8px 10px;
  border: 2px solid var(--black);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.4;
  color: var(--black);
  border-radius: 0;
}
textarea { min-height: 120px; resize: vertical; }
input:focus, textarea:focus, select:focus {
  outline: 3px solid var(--focus);
  outline-offset: 0;
  border-color: var(--black);
}
.form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.form-row > .form-group { flex: 1 1 240px; max-width: none; }
.form-actions { display: flex; gap: 12px; margin-top: 12px; flex-wrap: wrap; }

.checkbox-group { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 8px; font-size: 0.95rem; }
.checkbox-group input { width: 18px; height: 18px; margin-top: 2px; }
.checkbox-group label { font-weight: 400; margin: 0; }

/* Flash messages */
.flashes { margin-bottom: 24px; }
.flash {
  padding: 12px 16px;
  border-left: 5px solid var(--green);
  background: var(--grey-1);
  margin-bottom: 8px;
  font-size: 0.95rem;
}
.flash.flash-error { border-left-color: var(--red); background: #fff4f3; color: var(--black); }
.flash.flash-success { border-left-color: var(--green); }

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}
.data-table th, .data-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  vertical-align: top;
}
.data-table th {
  font-weight: 700;
  background: var(--grey-1);
  border-bottom: 2px solid var(--black);
}
.data-table tr:hover td { background: #fafafa; }
.data-table .num { font-family: var(--font-mono); }
.data-table .actions { white-space: nowrap; text-align: right; }

/* Status pills */
.pill {
  display: inline-block;
  padding: 2px 10px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
}
.pill-unreviewed { background: #fff4d6; border-color: #b58840; color: #6e4f0f; }
.pill-open       { background: #e8f4ef; border-color: var(--green); color: #00503a; }
.pill-in_progress { background: #e8f0fb; border-color: var(--link); color: #003078; }
.pill-on_hold    { background: var(--grey-1); border-color: var(--grey-3); color: var(--grey-3); }
.pill-closed     { background: #ededed; border-color: var(--grey-3); color: var(--grey-3); }
.pill-archived   { background: #ededed; border-color: var(--grey-2); color: var(--grey-2); }

.pill-low      { background: var(--grey-1); border-color: var(--grey-3); color: var(--grey-3); }
.pill-normal   { background: #e8f4ef; border-color: var(--green); color: #00503a; }
.pill-high     { background: #fff4d6; border-color: #b58840; color: #6e4f0f; }
.pill-urgent   { background: #f4e8e8; border-color: var(--red); color: #6b0000; }

/* Cards / panels */
.panel {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 20px 24px;
  margin-bottom: 24px;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 16px;
}
.panel-head h2, .panel-head h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  margin: 0;
}

.inset {
  background: var(--grey-1);
  border-left: 5px solid var(--green);
  padding: 16px 20px;
  margin: 16px 0;
  font-size: 0.95rem;
}
.inset.inset-warning { border-left-color: var(--red); background: #fff4f3; }
.inset.inset-info { border-left-color: var(--link); background: #f0f4fb; }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; font-size: 0.95rem; }
.kv dt { font-weight: 700; color: var(--grey-3); }
.kv dd { color: var(--black); }

/* Stats */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--grey-1);
  border-left: 5px solid var(--green);
  padding: 16px 20px;
}
.stat-card .label {
  display: block;
  font-size: 0.78rem;
  color: var(--grey-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}
.stat-card .value {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--black);
}

/* Filters bar */
.filters {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 20px;
}
.filters .form-group { margin-bottom: 0; max-width: 240px; }

/* Two-column layout */
.split {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 32px;
}
@media (max-width: 880px) {
  .split { grid-template-columns: 1fr; }
}

/* Code blocks (for showing API keys, snippets) */
.code-block {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  background: #f7f7f7;
  border: 1px solid var(--border);
  padding: 12px 16px;
  word-break: break-all;
  margin-bottom: 12px;
}
.code-inline { font-family: var(--font-mono); background: var(--grey-1); padding: 1px 5px; font-size: 0.92em; }

/* Footer */
.site-footer {
  background: var(--black);
  color: var(--grey-1);
  padding: 24px 32px;
  font-size: 0.85rem;
  margin-top: auto;
}
.footer-inner {
  max-width: 1400px;
  margin: 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.site-footer a { color: var(--white); }

/* Audit log */
.audit-row {
  display: grid;
  grid-template-columns: 160px 100px 1fr 100px;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}
.audit-row .ts { color: var(--grey-3); font-family: var(--font-mono); font-size: 0.82rem; }
.audit-row .actor { font-weight: 600; }
.audit-row .ip { color: var(--grey-3); font-family: var(--font-mono); font-size: 0.82rem; }

/* Auth pages */
.auth-card {
  max-width: 460px;
  margin: 60px auto;
  padding: 32px;
  border: 1px solid var(--border);
  background: var(--white);
}
.auth-card h1 {
  font-family: var(--font-head);
  font-size: 1.6rem;
  margin-bottom: 16px;
}
.auth-status {
  margin: 16px 0;
  padding: 12px 16px;
  background: var(--grey-1);
  border-left: 4px solid var(--link);
  font-size: 0.9rem;
}
.auth-status.error { border-left-color: var(--red); background: #fff4f3; }

/* Timeline (case notes) */
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline-item {
  border-left: 3px solid var(--green);
  padding: 0 0 18px 18px;
  margin-left: 8px;
  position: relative;
}
.timeline-item::before {
  content: '';
  position: absolute;
  width: 11px; height: 11px;
  background: var(--green);
  left: -7px; top: 4px;
  border: 2px solid var(--white);
}
.timeline-meta { font-size: 0.82rem; color: var(--grey-3); margin-bottom: 4px; }
.timeline-body { white-space: pre-wrap; }

/* Mobile */
@media (max-width: 720px) {
  .header-inner { padding: 14px 16px; gap: 12px; }
  .nav-inner { padding: 0 16px; overflow-x: auto; flex-wrap: nowrap; }
  .nav-inner a { padding: 12px; flex: 0 0 auto; }
  .logo-name { font-size: 1.1rem; }
  main { padding: 24px 16px 48px; }
  .page-head { padding: 24px 16px; }
  .site-footer { padding: 20px 16px; }
  .data-table { font-size: 0.85rem; }
  .audit-row { grid-template-columns: 1fr; gap: 4px; }
}

/* Secret-field reveal widget */
.secret-field {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--grey-1);
  border-left: 3px solid var(--green);
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  word-break: break-all;
}
.secret-field .secret-label {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--grey-3);
  flex-shrink: 0;
  width: 110px;
}
.secret-field .secret-display { flex: 1; min-width: 0; }
.secret-field .secret-actions { display: flex; gap: 4px; flex-shrink: 0; }
.secret-field button {
  background: none;
  border: 1px solid var(--border);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--black);
  padding: 4px 8px;
  cursor: pointer;
}
.secret-field button:hover { background: var(--white); border-color: var(--black); }
.secret-field .secret-mask { color: var(--grey-3); user-select: none; }
.secret-field .secret-empty { color: var(--grey-3); font-style: italic; font-family: var(--font-body); }