/* AlphaGuard: Evidence File design. Plain CSS, no framework, no external fonts. */

:root {
  --paper: #F5F2EB;
  --paper-2: #EDE8DC;
  --ink: #1A1A1A;
  --ink-2: #4A4740;
  --rule: #1A1A1A;
  --rule-soft: rgba(26, 26, 26, 0.18);
  --stamp: #B3261E;
  --stamp-hover: #8E1D17;
  --on-stamp: #F5F2EB;
  --warn: #7A4B00;
  --focus: #1A1A1A;
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: ui-monospace, Menlo, Consolas, monospace;
}

[data-theme="dark"] {
  --paper: #14120F;
  --paper-2: #1E1B16;
  --ink: #EDE8DC;
  --ink-2: #B8B1A2;
  --rule: #EDE8DC;
  --rule-soft: rgba(237, 232, 220, 0.22);
  --stamp: #E5675F;
  --stamp-hover: #F08C86;
  --on-stamp: #14120F;
  --warn: #E0A94A;
  --focus: #EDE8DC;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.55 var(--font-body);
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 0.5rem;
  font-weight: 600;
}
h1 { font-size: clamp(2rem, 5.5vw, 3.75rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 0.75rem; }
a { color: var(--ink); }

:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 8px; background: var(--paper); padding: 8px; z-index: 100; }

.muted { color: var(--ink-2); }
.warn { color: var(--warn); font-weight: 600; }
.accent { color: var(--stamp); }
.eyebrow {
  font: 500 12px/1.4 var(--font-mono);
  letter-spacing: 0.12em;
  color: var(--ink-2);
  text-transform: uppercase;
  margin: 0 0 8px;
}

.status { min-height: 1.4em; font-size: 0.9rem; margin: 8px 0; }
.status.error { color: var(--stamp); }
.field-error { color: var(--stamp); font-size: 0.85rem; margin: -8px 0 12px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}
.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.brand { display: flex; flex-direction: column; white-space: nowrap; }
.brand-name { font: 600 1.25rem/1 var(--font-display); letter-spacing: 0.04em; }
.brand-sub { font: 500 11px/1.4 var(--font-mono); letter-spacing: 0.08em; color: var(--ink-2); }

.site-nav { display: flex; flex-wrap: wrap; gap: 4px; }
.nav-btn {
  position: relative;
  background: none;
  border: 0;
  color: var(--ink);
  font: 500 12px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 12px 10px;
  min-height: 44px;
  white-space: nowrap;
  cursor: pointer;
}
.nav-btn::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 6px;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.nav-btn:hover::after,
.nav-btn:focus-visible::after,
.nav-btn[aria-current="page"]::after { transform: scaleX(1); }

.header-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.user-label {
  font: 500 12px var(--font-mono);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.case-strip { border-bottom: 1px solid var(--rule-soft); }
.case-inner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 6px;
  padding-bottom: 6px;
  font: 500 11px/1.4 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
}

/* Buttons and form fields */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font: 600 12px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  cursor: pointer;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--stamp); border-color: var(--stamp); color: var(--on-stamp); }
.btn-primary:hover:not(:disabled) { background: var(--stamp-hover); border-color: var(--stamp-hover); }
.btn-secondary:hover, .btn-ghost:hover { background: var(--paper-2); }
.btn-ghost { border-color: var(--rule-soft); }

.link {
  background: none;
  border: 0;
  padding: 0;
  min-height: 44px;
  color: var(--ink);
  text-decoration: underline;
  cursor: pointer;
  font: inherit;
  text-align: left;
}

label {
  display: block;
  font: 500 12px/1.4 var(--font-mono);
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
input, select {
  display: block;
  width: 100%;
  margin-top: 6px;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink);
  font: 400 15px var(--font-body);
  border-radius: 2px;
}
input[type="checkbox"] {
  display: inline-block;
  width: auto;
  min-height: auto;
  margin: 2px 10px 0 0;
}
.check { display: flex; align-items: flex-start; font: 400 14px/1.4 var(--font-body); }
.form-grid { display: grid; gap: 4px; }
.form-grid.two { grid-template-columns: 1fr; }
@media (min-width: 640px) {
  .form-grid.two { grid-template-columns: 1fr 1fr; column-gap: 16px; }
}

/* Layout */
.view { padding: 32px 0 56px; }
.hero { padding: 24px 0 32px; border-top: 1px solid var(--rule); }
.lead { font-size: 1.1rem; color: var(--ink-2); max-width: 680px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.section { border-top: 1px solid var(--rule); padding: 28px 0; margin-top: 40px; }
.card {
  border: 1px solid var(--rule);
  background: var(--paper-2);
  padding: 20px;
  margin-bottom: 16px;
}

/* Evidence card */
.evidence-card {
  margin: 32px 0 0;
  max-width: 560px;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  padding: 16px;
}
.evidence-card figcaption {
  font: 500 11px/1.4 var(--font-mono);
  color: var(--ink-2);
  border-bottom: 1px solid var(--rule-soft);
  padding-bottom: 8px;
  margin-bottom: 12px;
}
.thumbs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--rule);
  background: repeating-linear-gradient(45deg, var(--rule-soft) 0 1px, transparent 1px 8px);
}
.thumb span {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--rule);
  color: var(--paper);
  font: 600 11px/1.4 var(--font-mono);
  padding: 2px 8px;
}
.ledger { margin: 12px 0 0; }
.ledger div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--rule-soft);
  padding: 6px 0;
  font: 500 12px/1.4 var(--font-mono);
}
.ledger dt { color: var(--ink-2); }
.ledger dd { margin: 0; text-align: right; overflow-wrap: anywhere; }

/* Industry explorer */
.sector-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 16px;
}
@media (min-width: 640px) {
  .sector-grid { grid-template-columns: 1fr 1fr; }
}
.sector-btn {
  display: block;
  width: 100%;
  text-align: left;
  border: 1px solid var(--rule-soft);
  background: var(--paper);
  color: var(--ink);
  padding: 18px;
  min-height: 44px;
  cursor: pointer;
  font: inherit;
}
.sector-btn:hover { border-color: var(--ink); }
.sector-btn[aria-pressed="true"] {
  border-color: var(--ink);
  border-bottom: 3px solid var(--ink);
  background: var(--paper-2);
}
.sector-btn .count {
  display: block;
  font: 500 11px/1.4 var(--font-mono);
  color: var(--ink-2);
  margin-bottom: 8px;
}
.sector-title {
  display: block;
  font: 600 1.05rem/1.3 var(--font-display);
  margin-bottom: 4px;
}
.sector-blurb {
  display: block;
  color: var(--ink-2);
  font-size: 0.9rem;
}
.sector-panel { margin-top: 20px; }
.product-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 768px) {
  .product-grid { grid-template-columns: 1fr 1fr; }
}
.product { border: 1px solid var(--rule-soft); background: var(--paper); padding: 16px; }
.product h4 { font: 600 1rem/1.3 var(--font-body); margin: 0 0 6px; }
.product p { font-size: 0.9rem; color: var(--ink-2); }
.product .meta { font: 500 12px/1.4 var(--font-mono); margin: 8px 0; color: var(--ink); }

/* How it works and sample stats */
.how-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: grid;
  gap: 16px;
}
@media (min-width: 768px) {
  .how-list { grid-template-columns: repeat(4, 1fr); }
}
.how-list li { border-top: 1px solid var(--rule); padding-top: 12px; }
.trust-list { padding-left: 20px; }
.trust-list li { margin-bottom: 8px; }
.stat-grid { display: grid; grid-template-columns: 1fr; gap: 12px; margin: 16px 0; }
@media (min-width: 640px) {
  .stat-grid { grid-template-columns: repeat(3, 1fr); }
}
.stat { border-top: 2px solid var(--ink); padding-top: 8px; }
.stat strong { display: block; font: 600 2rem/1.2 var(--font-mono); }
.stat span {
  font: 500 11px/1.4 var(--font-mono);
  color: var(--ink-2);
  text-transform: uppercase;
}

/* Free trial wizard */
.steps {
  display: flex;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  font: 500 12px var(--font-mono);
  text-transform: uppercase;
  color: var(--ink-2);
}
.steps li { flex: 1; border-top: 2px solid var(--rule-soft); padding-top: 6px; }
.steps li[aria-current="step"] { border-top-color: var(--ink); color: var(--ink); font-weight: 700; }
.wizard-step { border: 0; padding: 0; margin: 0; min-width: 0; }
.wizard-step legend {
  font: 600 1.1rem var(--font-display);
  margin-bottom: 12px;
  padding: 0;
}
.step-actions {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* Dashboard */
.dash-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
}
.dash-head h2 { margin: 0; }
.dash-meta { display: flex; flex-wrap: wrap; gap: 24px; margin: 0; }
.dash-meta dt {
  font: 500 11px var(--font-mono);
  color: var(--ink-2);
  text-transform: uppercase;
}
.dash-meta dd { margin: 0; font: 600 14px var(--font-mono); }
.draft-title { margin-top: 28px; }
.table-wrap { overflow-x: auto; margin-top: 12px; border: 1px solid var(--rule); }
table { width: 100%; border-collapse: collapse; font: 400 13px var(--font-mono); }
th, td {
  text-align: left;
  padding: 10px;
  border-bottom: 1px solid var(--rule-soft);
  vertical-align: top;
  overflow-wrap: anywhere;
}
th { background: var(--paper-2); border-bottom: 1px solid var(--rule); font-weight: 600; }
pre {
  white-space: pre-wrap;
  overflow: auto;
  max-height: 240px;
  border: 1px solid var(--rule);
  padding: 12px;
  font: 12px/1.5 var(--font-mono);
  background: var(--paper);
}

/* Sign-in dialog */
dialog {
  width: min(520px, calc(100% - 32px));
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink);
  padding: 24px;
}
dialog::backdrop { background: rgba(26, 26, 26, 0.6); }
.dialog-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.dialog-head h2 { margin: 0; font-size: 1.5rem; }
.tabs {
  display: flex;
  gap: 16px;
  border-bottom: 1px solid var(--rule-soft);
  margin-bottom: 16px;
}
.tabs button {
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 8px 0;
  min-height: 44px;
  font: 600 13px var(--font-mono);
  color: var(--ink-2);
  cursor: pointer;
}
.tabs button[aria-selected="true"] {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule);
  margin-top: 48px;
  padding: 24px 0;
  font: 400 13px var(--font-mono);
  color: var(--ink-2);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}