/* Color + type tokens now live in /static/tokens.css. */
:root {
  /* /share/ uses --soft for the locked-preview backdrop; keep the legacy
     alias so existing rules still resolve. */
  --soft: var(--accent-soft);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--page);
  font-family: "IBM Plex Sans", -apple-system, "Segoe UI", system-ui, sans-serif;
  font-feature-settings: "ss01" on, "ss03" on, "cv02" on;
}

button,
input {
  font: inherit;
}

.share-topbar {
  display: flex;
  align-items: center;
  padding: 12px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.share-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.share-brand .share-logo {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  font-size: 15px;
}

.share-brand strong {
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.share-brand .share-eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  padding-left: 8px;
  border-left: 1px solid var(--line);
  margin-left: 4px;
}

.viewer-shell {
  display: grid;
  grid-template-columns: minmax(360px, 0.86fr) minmax(420px, 1.14fr);
  min-height: calc(100vh - 55px);
}

.workflow {
  display: grid;
  align-content: start;
  gap: 18px;
  padding: 34px;
  background: var(--surface);
  border-right: 1px solid var(--line);
}

.viewer-header {
  max-width: 560px;
}

.eyebrow {
  margin: 0 0 7px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
  letter-spacing: 0;
}

h1 {
  margin-bottom: 10px;
  font-size: 34px;
  line-height: 1.05;
}

h2 {
  margin-bottom: 0;
  font-size: 20px;
  line-height: 1.2;
}

.lead {
  max-width: 480px;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.5;
}

.step {
  display: grid;
  gap: 14px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  opacity: 0.45;
  pointer-events: none;
  filter: grayscale(0.3);
  transition: opacity var(--duration-base) var(--ease-out),
              filter var(--duration-base) var(--ease-out);
}

.step.active,
.step.complete {
  opacity: 1;
  pointer-events: auto;
  filter: none;
}

.step-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.step-number {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 50%;
  background: var(--rail);
  color: #ffffff;
  font-weight: 700;
}

form {
  display: grid;
  gap: 12px;
}

/* Advanced "Share details from link" disclosure. Collapsed by default
   when the URL pre-filled the tenant + token so the recipient sees only
   the email field and the primary CTA. */
form details#shareDetailsAdvanced {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm, 6px);
  background: var(--page);
  padding: 8px 12px;
}

form details#shareDetailsAdvanced > summary {
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 0;
}

form details#shareDetailsAdvanced > summary::-webkit-details-marker { display: none; }
form details#shareDetailsAdvanced > summary::before {
  content: "▸";
  font-size: 10px;
  color: var(--muted);
  margin-right: 4px;
  transition: transform 120ms ease;
}
form details#shareDetailsAdvanced[open] > summary::before {
  transform: rotate(90deg);
  display: inline-block;
}

form details#shareDetailsAdvanced > label { margin-top: 10px; }

form details#shareDetailsAdvanced .hint {
  text-transform: none;
  letter-spacing: 0;
  color: var(--ok);
  font-weight: 600;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  padding: 10px 11px;
}

button {
  min-height: 42px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
  padding: 10px 14px;
}

button:hover:not(:disabled) {
  background: var(--accent-dark);
}

button:focus-visible,
a:focus-visible,
input:focus,
select:focus,
textarea:focus {
  outline: none;
  box-shadow: var(--focus-ring);
  border-color: var(--field-border-focus);
}

button:disabled {
  border-color: var(--line);
  background: #eef0f2;
  color: var(--muted);
  cursor: not-allowed;
}

.status {
  min-height: 44px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  color: var(--muted);
  line-height: 1.45;
}

.status.ok {
  color: var(--ok);
}

.status.error {
  color: var(--error);
}

.locked-preview {
  display: grid;
  align-content: center;
  gap: 24px;
  padding: 42px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.46)),
    var(--soft);
}

.document-visual {
  position: relative;
  display: grid;
  gap: 16px;
  width: min(100%, 620px);
  min-height: 420px;
  align-content: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 42px 38px;
  box-shadow: 0 24px 70px rgba(32, 36, 42, 0.14);
  overflow: hidden;
}

.page-mark {
  width: 82px;
  height: 14px;
  background: var(--accent);
}

.page-line {
  height: 12px;
  background: #d8dde4;
}

.page-line.long {
  width: 82%;
}

.page-line.short {
  width: 46%;
}

.watermark-stamp {
  position: absolute;
  inset: auto 32px 36px auto;
  max-width: 250px;
  border: 1px solid rgba(39, 93, 114, 0.42);
  color: rgba(39, 93, 114, 0.74);
  padding: 10px 12px;
  transform: rotate(-8deg);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.preview-details {
  display: grid;
  gap: 12px;
}

.preview-details h2 {
  font-size: 24px;
}

.preview-details[data-has-session="false"] dl,
.preview-details[data-has-session="false"] + .viewer-actions { /* hide actions block during empty state */
  display: none;
}

.preview-details[data-has-session="true"] .preview-empty {
  display: none;
}

dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 20px;
  margin: 0;
}

dt {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

dd {
  min-width: 0;
  margin: 4px 0 0;
  overflow-wrap: anywhere;
}

.viewer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 760px) {
  .viewer-shell {
    grid-template-columns: 1fr;
  }

  .workflow,
  .locked-preview {
    padding: 24px;
  }

  .workflow {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .document-visual {
    min-height: 320px;
  }

  dl {
    grid-template-columns: 1fr;
  }
}