/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 36px;
  padding: 0 var(--space-4);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  line-height: 1;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-primary);
  text-decoration: none;
  white-space: nowrap;
  background: var(--bg-surface);
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  position: relative;
}

.btn > * {
  position: relative;
  z-index: 1;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.btn:active:not(:disabled) {
  background: var(--bg-primary);
}

/* Base hover for plain .btn */
.btn:hover:not(:disabled) {
  background: var(--bg-elevated);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

/* Secondary */
.btn-secondary {
  background: var(--bg-surface);
  border-color: var(--border);
  color: var(--text-secondary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-elevated);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

/* Ghost */
.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-elevated);
  border-color: var(--border);
  color: var(--text-primary);
}

/* Primary: crimson fill, silver label.
   This block is the single source of truth for primary actions across the
   site — tool-specific button classes join the comma list and inherit it
   without duplicating anything. */
.btn-primary,
.osint-search-btn,
.osint-change-btn,
.osint-picker-options button,
.email-drop-btn,
.email-clear-btn,
.email-link-btn,
.email-section-btn,
.deck-chip,
.subject-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 36px;
  padding: 0 var(--space-4);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  line-height: 1;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  color: var(--on-crimson);
  background: var(--crimson);
  border: 1px solid color-mix(in srgb, var(--crimson) 70%, var(--silver) 6%);
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn-primary:hover:not(:disabled),
.osint-search-btn:hover:not(:disabled),
.osint-change-btn:hover:not(:disabled),
.osint-picker-options button:hover:not(:disabled),
.osint-picker-options button.active,
.email-drop-btn:hover:not(:disabled),
.email-clear-btn:hover:not(:disabled),
.email-link-btn:hover:not(:disabled),
.email-section-btn:hover:not(:disabled),
.deck-chip:hover:not(:disabled),
.deck-chip.is-active,
.subject-chip:hover:not(:disabled),
.subject-chip.is-active {
  background: color-mix(in srgb, var(--crimson) 82%, var(--silver) 18%);
  border-color: color-mix(in srgb, var(--crimson) 60%, var(--silver) 22%);
}

.btn-primary:active:not(:disabled),
.osint-search-btn:active:not(:disabled),
.osint-change-btn:active:not(:disabled),
.osint-picker-options button:active:not(:disabled),
.email-drop-btn:active:not(:disabled),
.email-clear-btn:active:not(:disabled),
.email-link-btn:active:not(:disabled),
.email-section-btn:active:not(:disabled),
.deck-chip:active:not(:disabled),
.subject-chip:active:not(:disabled) {
  background: color-mix(in srgb, var(--crimson) 88%, #000 12%);
}

.btn-primary:focus-visible,
.osint-search-btn:focus-visible,
.osint-change-btn:focus-visible,
.osint-picker-options button:focus-visible,
.email-drop-btn:focus-visible,
.email-clear-btn:focus-visible,
.email-link-btn:focus-visible,
.email-section-btn:focus-visible,
.deck-chip:focus-visible,
.subject-chip:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.btn-primary:disabled,
.osint-search-btn:disabled,
.osint-change-btn:disabled,
.osint-picker-options button:disabled,
.email-drop-btn:disabled,
.email-clear-btn:disabled,
.email-link-btn:disabled,
.email-section-btn:disabled,
.deck-chip:disabled,
.subject-chip:disabled {
  background: var(--bg-elevated);
  border-color: var(--border);
  color: var(--text-muted);
  cursor: not-allowed;
}

/* Destructive: outlined, not filled. A destructive action should read as a
   warning, and a second crimson fill next to the primary one reads as noise. */
.btn-destructive {
  background: color-mix(in srgb, var(--crimson) 18%, var(--bg-surface));
  border: 1px solid var(--crimson);
  color: var(--signal);
}

.btn-destructive:hover:not(:disabled) {
  background: color-mix(in srgb, var(--crimson) 32%, var(--bg-surface));
  border-color: color-mix(in srgb, var(--crimson) 70%, var(--signal) 30%);
}

.btn-destructive:active:not(:disabled) {
  background: color-mix(in srgb, var(--crimson) 42%, var(--bg-surface));
}

/* Sizing */
.btn-sm { height: 32px; padding: 0 var(--space-3); font-size: var(--text-sm); }
.btn-lg { height: 44px; padding: 0 var(--space-5); font-size: var(--text-lg); }

.btn .nf, .btn .ui-icon { font-size: 16px; }

/* ── Segmented controls ──
   Tabs, metric pickers, filter and preset rows across the tools. One flat
   recipe: charcoal surface, hairline border, crimson only on the active one.
   Each tool used to carry its own copy of a glass version of this. */
.tab-btn,
.metric-btn,
.filter-btn,
.preset-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px var(--space-4);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  line-height: 1;
  min-height: 32px;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.tab-btn:hover:not(:disabled),
.metric-btn:hover:not(:disabled),
.filter-btn:hover:not(:disabled),
.preset-btn:hover:not(:disabled) {
  background: var(--bg-elevated);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.tab-btn:focus-visible,
.metric-btn:focus-visible,
.filter-btn:focus-visible,
.preset-btn:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.tab-btn.active,
.metric-btn.active,
.filter-btn.active,
.preset-btn.active {
  color: var(--silver);
  background: color-mix(in srgb, var(--crimson) 26%, var(--bg-surface));
  border-color: var(--crimson);
  font-weight: var(--font-semibold);
}

.tab-btn:disabled,
.metric-btn:disabled,
.filter-btn:disabled,
.preset-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* ── Inputs ── */
.input {
  width: 100%;
  height: 40px;
  padding: 0 var(--space-4);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  color: var(--text-primary);
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-fast);
}
.input::placeholder { color: var(--text-secondary); opacity: 1; }
.input:hover { border-color: var(--text-secondary); }
.input:focus { border-color: var(--accent-primary); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent-primary) 30%, transparent); }
.input:disabled { opacity: 0.5; cursor: not-allowed; }
:root[data-theme="light"] select.input { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2345525F' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); }
textarea.input { height: auto; min-height: 100px; padding: var(--space-3) var(--space-4); resize: vertical; }
select.input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23A8B6C4' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}
.input-group { display: flex; gap: var(--space-2); }
.input-group .input { flex: 1; }

/* ── Cards ── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  position: relative;
  transition: border-color var(--transition-fast);
}

.card-hover:hover {
  border-color: var(--border-hover);
}

.card-hover:focus-within {
  border-color: var(--accent-primary);
}

.card-header { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); }
.card-title { font-size: var(--text-lg); font-weight: var(--font-semibold); color: var(--text-primary); }
.card-description { font-size: var(--text-sm); color: var(--text-secondary); margin-top: var(--space-1); }

/* ── Badges ── */
.badge {
  display: inline-flex; align-items: center; gap: var(--space-1);
  padding: var(--space-1) var(--space-3); font-size: var(--text-xs);
  font-weight: var(--font-medium); border-radius: var(--radius-sm); white-space: nowrap;
}
.badge-default { background-color: var(--bg-elevated); color: var(--text-primary); }
.badge-primary { background-color: color-mix(in srgb, var(--crimson) 28%, transparent); color: var(--signal); }
.badge-secondary { background-color: var(--bg-elevated); color: var(--text-secondary); }
.badge-success { background-color: color-mix(in srgb, var(--accent-success) 16%, transparent); color: var(--accent-success); }
.badge-warning { background-color: color-mix(in srgb, var(--accent-warning) 16%, transparent); color: var(--accent-warning); }
.badge-error { background-color: color-mix(in srgb, var(--crimson) 30%, transparent); color: var(--signal); }
/* Light: the dark-theme tints turn muddy on snow and drop the label under 4.5:1. */
:root[data-theme="light"] .badge-primary,
:root[data-theme="light"] .badge-error { background-color: color-mix(in srgb, var(--crimson) 10%, transparent); color: var(--crimson); }
:root[data-theme="light"] .badge-success { background-color: color-mix(in srgb, var(--accent-success) 10%, transparent); }
:root[data-theme="light"] .badge-warning { background-color: color-mix(in srgb, var(--accent-warning) 10%, transparent); }

/* ── Divider ── */
.divider { height: 1px; background-color: var(--border); margin: var(--space-4) 0; }

/* ── Empty State ── */
.empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: var(--space-12); text-align: center; color: var(--text-secondary);
}
.empty-state-icon { font-size: 48px; margin-bottom: var(--space-4); color: var(--text-muted); }
.empty-state-title { font-size: var(--text-lg); font-weight: var(--font-semibold); color: var(--text-primary); margin-bottom: var(--space-2); }
.empty-state-description { font-size: var(--text-sm); max-width: 300px; }

/* ── Nerd Font utilities ── */
.nf {
  font-family: var(--font-mono);
  font-style: normal; font-weight: normal;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}

.ui-icon {
  --icon-url: none; width: 16px; height: 16px; display: inline-block;
  flex-shrink: 0; vertical-align: middle; background-color: currentColor;
  -webkit-mask: var(--icon-url) center / contain no-repeat;
  mask: var(--icon-url) center / contain no-repeat;
}

.icon-menu { --icon-url: url('/assets/icons/menu.svg'); }
.icon-home { --icon-url: url('/assets/icons/home.svg'); }
.icon-search { --icon-url: url('/assets/icons/search.svg'); }
.icon-email { --icon-url: url('/assets/icons/email.svg'); }
.icon-incident-response { --icon-url: url('/assets/icons/incident-response.svg'); }
.icon-risk { --icon-url: url('/assets/icons/risk.svg'); }
.icon-network { --icon-url: url('/assets/icons/network.svg'); }
.icon-hex { --icon-url: url('/assets/icons/hex.svg'); }
.icon-strings { --icon-url: url('/assets/icons/strings.svg'); }
.icon-conversations { --icon-url: url('/assets/icons/conversations.svg'); }
.icon-statistics { --icon-url: url('/assets/icons/statistics.svg'); }
.icon-flow { --icon-url: url('/assets/icons/flow.svg'); }
.icon-map { --icon-url: url('/assets/icons/map.svg'); }
.icon-chevron-left { --icon-url: url('/assets/icons/chevron-left.svg'); }
.icon-chevron-right { --icon-url: url('/assets/icons/chevron-right.svg'); }
.icon-upload { --icon-url: url('/assets/icons/upload.svg'); }
.icon-folder { --icon-url: url('/assets/icons/folder.svg'); }
.icon-file { --icon-url: url('/assets/icons/file.svg'); }
.icon-close { --icon-url: url('/assets/icons/close.svg'); }
.icon-copy { --icon-url: url('/assets/icons/copy.svg'); }
.icon-refresh { --icon-url: url('/assets/icons/refresh.svg'); }
.icon-binary { --icon-url: url('/assets/icons/binary.svg'); }
.icon-artifact { --icon-url: url('/assets/icons/artifact.svg'); }
.icon-hash { --icon-url: url('/assets/icons/hash.svg'); }
.icon-terminal { --icon-url: url('/assets/icons/terminal.svg'); }
.icon-user { --icon-url: url('/assets/icons/user.svg'); }
.icon-warning { --icon-url: url('/assets/icons/warning.svg'); }
.icon-info { --icon-url: url('/assets/icons/info.svg'); }
.icon-github { --icon-url: url('/assets/icons/github.svg'); }
.icon-linkedin { --icon-url: url('/assets/icons/linkedin.svg'); }
.icon-download { --icon-url: url('/assets/icons/download.svg'); }
.icon-settings { --icon-url: url('/assets/icons/settings.svg'); }
.icon-overview { --icon-url: url('/assets/icons/overview.svg'); }
.icon-triage { --icon-url: url('/assets/icons/triage.svg'); }
.icon-evidence { --icon-url: url('/assets/icons/evidence.svg'); }
.icon-workflow { --icon-url: url('/assets/icons/workflow.svg'); }
.icon-timeline { --icon-url: url('/assets/icons/timeline.svg'); }
.icon-report { --icon-url: url('/assets/icons/report.svg'); }
.icon-governance { --icon-url: url('/assets/icons/governance.svg'); }
.icon-register { --icon-url: url('/assets/icons/register.svg'); }
.icon-assessment { --icon-url: url('/assets/icons/assessment.svg'); }
.icon-monitoring { --icon-url: url('/assets/icons/monitoring.svg'); }
.icon-desktop { --icon-url: url('/assets/icons/desktop.svg'); }

/* Divider */
.divider {
  height: 1px;
  background-color: var(--border);
  margin: var(--space-4) 0;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  text-align: center;
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: var(--space-4);
  color: var(--text-muted);
}

.empty-state-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-state-description {
  font-size: var(--text-sm);
  max-width: 300px;
}

/* Nerd Font utilities */
.nf {
  font-family: var(--font-mono);
  font-style: normal;
  font-weight: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.ui-icon {
  --icon-url: none;
  width: 16px;
  height: 16px;
  display: inline-block;
  flex-shrink: 0;
  vertical-align: middle;
  background-color: currentColor;
  -webkit-mask: var(--icon-url) center / contain no-repeat;
  mask: var(--icon-url) center / contain no-repeat;
}

.icon-menu { --icon-url: url('/assets/icons/menu.svg'); }
.icon-home { --icon-url: url('/assets/icons/home.svg'); }
.icon-search { --icon-url: url('/assets/icons/search.svg'); }
.icon-email { --icon-url: url('/assets/icons/email.svg'); }
.icon-incident-response { --icon-url: url('/assets/icons/incident-response.svg'); }
.icon-risk { --icon-url: url('/assets/icons/risk.svg'); }
.icon-network { --icon-url: url('/assets/icons/network.svg'); }
.icon-hex { --icon-url: url('/assets/icons/hex.svg'); }
.icon-strings { --icon-url: url('/assets/icons/strings.svg'); }
.icon-conversations { --icon-url: url('/assets/icons/conversations.svg'); }
.icon-statistics { --icon-url: url('/assets/icons/statistics.svg'); }
.icon-flow { --icon-url: url('/assets/icons/flow.svg'); }
.icon-map { --icon-url: url('/assets/icons/map.svg'); }
.icon-chevron-left { --icon-url: url('/assets/icons/chevron-left.svg'); }
.icon-chevron-right { --icon-url: url('/assets/icons/chevron-right.svg'); }
.icon-upload { --icon-url: url('/assets/icons/upload.svg'); }
.icon-folder { --icon-url: url('/assets/icons/folder.svg'); }
.icon-file { --icon-url: url('/assets/icons/file.svg'); }
.icon-close { --icon-url: url('/assets/icons/close.svg'); }
.icon-copy { --icon-url: url('/assets/icons/copy.svg'); }
.icon-refresh { --icon-url: url('/assets/icons/refresh.svg'); }
.icon-binary { --icon-url: url('/assets/icons/binary.svg'); }
.icon-artifact { --icon-url: url('/assets/icons/artifact.svg'); }
.icon-hash { --icon-url: url('/assets/icons/hash.svg'); }
.icon-terminal { --icon-url: url('/assets/icons/terminal.svg'); }
.icon-user { --icon-url: url('/assets/icons/user.svg'); }
.icon-warning { --icon-url: url('/assets/icons/warning.svg'); }
.icon-info { --icon-url: url('/assets/icons/info.svg'); }
.icon-github { --icon-url: url('/assets/icons/github.svg'); }
.icon-linkedin { --icon-url: url('/assets/icons/linkedin.svg'); }
.icon-download { --icon-url: url('/assets/icons/download.svg'); }
.icon-settings { --icon-url: url('/assets/icons/settings.svg'); }
.icon-overview { --icon-url: url('/assets/icons/overview.svg'); }
.icon-triage { --icon-url: url('/assets/icons/triage.svg'); }
.icon-evidence { --icon-url: url('/assets/icons/evidence.svg'); }
.icon-sun { --icon-url: url('/assets/icons/sun.svg'); }
.icon-moon { --icon-url: url('/assets/icons/moon.svg'); }
.icon-workflow { --icon-url: url('/assets/icons/workflow.svg'); }
.icon-timeline { --icon-url: url('/assets/icons/timeline.svg'); }
.icon-report { --icon-url: url('/assets/icons/report.svg'); }
.icon-governance { --icon-url: url('/assets/icons/governance.svg'); }
.icon-register { --icon-url: url('/assets/icons/register.svg'); }
.icon-assessment { --icon-url: url('/assets/icons/assessment.svg'); }
.icon-monitoring { --icon-url: url('/assets/icons/monitoring.svg'); }
.icon-desktop { --icon-url: url('/assets/icons/desktop.svg'); }

/* Toast notifications */
.nf-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md, 8px);
  font-size: 0.875rem;
  font-weight: 500;
  z-index: 10000;
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
  max-width: 400px;
}

.nf-toast-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.nf-toast-info {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.nf-toast-success {
  background: var(--bg-surface);
  color: var(--accent-success);
  border: 1px solid var(--accent-success);
}

.nf-toast-error {
  background: var(--bg-surface);
  color: var(--accent-error);
  border: 1px solid var(--accent-error);
}

/* Help panel */
.help-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 8999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.help-overlay-visible {
  opacity: 1;
  pointer-events: auto;
}

.help-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(420px, 90vw);
  background: var(--bg-primary);
  border-left: 1px solid var(--border);
  z-index: 9000;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.help-panel-open {
  transform: translateX(0);
}

.help-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4, 1rem) var(--space-5, 1.25rem);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.help-panel-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.help-panel-close {
  background: none;
  border: none;
  color: var(--text-secondary, #a6adc8);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0 var(--space-2, 0.5rem);
  line-height: 1;
  border-radius: var(--radius-sm, 4px);
  transition: color 0.15s ease, background 0.15s ease;
}

.help-panel-close:hover {
  color: var(--text-primary);
  background: var(--bg-surface);
}

.help-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5, 1.25rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-5, 1.25rem);
}

.help-section-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin: 0 0 var(--space-3, 0.75rem) 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.help-section-content {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-secondary, #a6adc8);
}

.help-section-content p {
  margin: 0 0 var(--space-3, 0.75rem) 0;
}

.help-section-content p:last-child {
  margin-bottom: 0;
}

.help-section-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.help-section-content ul,
.help-section-content ol {
  margin: 0 0 var(--space-3, 0.75rem) 0;
  padding-left: 1.25em;
}

.help-section-content li {
  margin-bottom: var(--space-1, 0.25rem);
}

.help-section-content code {
  background: var(--bg-surface);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  font-family: var(--font-mono, monospace);
  font-size: 0.82em;
  color: var(--accent-primary);
}

.help-section-content kbd {
  display: inline-block;
  background: var(--bg-elevated, #242637);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.1em 0.45em;
  font-family: var(--font-mono, monospace);
  font-size: 0.78em;
  color: var(--text-primary);
}

.help-trigger-label {
  font-size: 0.8rem;
}

/* Modal overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 9999;
  display: flex;
  padding: 2rem;
  overflow-y: auto;
}

/* Case strip: current case identity and case actions in tool headers */
.case-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.case-identity {
  max-width: 280px;
  height: 30px;
  padding: 0 var(--space-3);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-primary);
  white-space: nowrap;
  text-overflow: ellipsis;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.case-identity:hover {
  border-color: var(--border-hover);
}

.case-identity:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

@media (max-width: 780px) {
  .case-identity {
    max-width: 140px;
  }
}

/* Visually hidden, still read by screen readers */
.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;
}