/* SealFloat shared application shell — width, type scale, nav search, tables, states */

:root {
  --sf-max: 1120px;
  --sf-page-title-size: clamp(1.75rem, 4vw, 2.35rem);
}

.sf-page {
  max-width: var(--sf-max);
}

.sf-header {
  max-width: var(--sf-max);
}

/* Application page title (not brand display) */
.sf-page-title {
  margin: 0;
  font-family: var(--sf-font-display);
  font-size: var(--sf-page-title-size);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--sf-ink);
}

.sf-page-subtitle {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--sf-ink-muted);
  line-height: 1.45;
  max-width: 62ch;
}

/* Readable section hierarchy (Investigation pattern) */
.sf-section-eyebrow {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sf-ink-faint);
}

.sf-section-heading {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 550;
  color: var(--sf-ink);
  line-height: 1.3;
}

.sf-app-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sf-space-4);
  align-items: start;
  padding-bottom: var(--sf-space-4);
  border-bottom: 1px solid var(--sf-border);
  margin-bottom: var(--sf-space-5);
}

.sf-app-header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
}

/* Screen-reader only */
.sf-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Global header search */
.sf-nav-search {
  flex: 1 1 180px;
  min-width: 160px;
  max-width: 300px;
  margin: 0 6px;
}

.sf-nav-search-form {
  display: flex;
  align-items: stretch;
  gap: 4px;
  width: 100%;
}

.sf-nav-search-input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 9px 12px;
  font-size: 13.5px;
  font-family: var(--sf-font-body);
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius-sm);
  background: var(--sf-surface);
  color: var(--sf-ink);
}

.sf-nav-search-input::placeholder {
  color: var(--sf-ink-faint);
}

.sf-nav-search-submit {
  appearance: none;
  flex: 0 0 auto;
  border: 1px solid var(--sf-border-strong);
  background: var(--sf-surface-2);
  color: var(--sf-ink-muted);
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  padding: 8px 11px;
  border-radius: var(--sf-radius-sm);
  cursor: pointer;
}

.sf-nav-search-submit:hover {
  color: var(--sf-ink);
  border-color: var(--sf-accent);
}

/* Dense table (shared) */
.sf-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius-sm);
  background: var(--sf-surface);
}

.sf-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.sf-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--sf-ink-faint);
  padding: 8px 10px;
  border-bottom: 1px solid var(--sf-border);
  white-space: nowrap;
}

.sf-table td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--sf-border);
  vertical-align: top;
}

.sf-table tr:last-child td {
  border-bottom: none;
}

.sf-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.sf-table a {
  color: var(--sf-accent);
  text-decoration: none;
}

.sf-table a:hover {
  text-decoration: underline;
}

.sf-mono {
  font-family: var(--sf-font-mono);
  font-size: 12px;
}

/* Loading / empty */
.sf-loading {
  color: var(--sf-ink-faint);
  font-size: 14px;
  padding: 12px 0;
}

.sf-empty-state {
  padding: 16px 12px;
  font-size: 13px;
  color: var(--sf-ink-faint);
  font-style: italic;
}

/* Metric strip */
.sf-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--sf-border);
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius-sm);
  overflow: hidden;
  margin-bottom: 12px;
}

.sf-metric {
  background: var(--sf-surface);
  padding: 10px 12px;
}

.sf-metric-label {
  display: block;
  font-size: 11px;
  color: var(--sf-ink-faint);
  margin-bottom: 4px;
}

.sf-metric-value {
  font-family: var(--sf-font-mono);
  font-size: 14px;
  color: var(--sf-ink);
}

.sf-tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 6px;
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius-sm);
  color: var(--sf-ink-muted);
  margin-right: 4px;
  text-transform: capitalize;
}

.sf-tag.is-confirmed {
  border-color: rgba(120, 180, 140, 0.35);
  color: #9cc4a8;
}

.sf-tag.is-likely {
  border-color: rgba(180, 160, 100, 0.35);
  color: #c4b888;
}

@media (min-width: 900px) {
  .sf-page,
  .sf-header {
    max-width: var(--sf-max);
  }
}

@media (min-width: 1200px) {
  .sf-page,
  .sf-header {
    max-width: var(--sf-max);
  }
}

@media (max-width: 860px) {
  .sf-nav-search {
    order: 5;
    flex: 1 1 100%;
    max-width: none;
    margin: 4px 0 0;
  }

  .sf-app-header {
    grid-template-columns: 1fr;
  }

  .sf-app-header-actions {
    justify-content: flex-start;
  }
}

/* Investigation pages share the global application width */
.sf-page--investigation {
  max-width: var(--sf-max);
}

/* Visualizer may use full available page width; do not force a narrower canvas */
.sf-page--visualizer {
  max-width: min(1400px, 100%);
}