:root {
  --bg: #f4f5f7;
  --bg-elevated: #ffffff;
  --bg-inset: #eceef1;
  --text: #1b1f24;
  --text-muted: #5b6570;
  --border: #d9dee3;
  --accent: #1d5fd6;
  --accent-contrast: #ffffff;
  --danger: #a6291d;
  --danger-bg: #fbe9e7;
  --success: #146c2e;
  --success-bg: #e6f4ea;
  --warning: #7a5b00;
  --warning-bg: #fff6dd;
  --shadow: 0 1px 3px rgba(20, 24, 28, 0.12);
  --radius: 8px;
  --font-sans:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --bg-elevated: #1d2126;
    --bg-inset: #23282e;
    --text: #e7eaee;
    --text-muted: #9aa4af;
    --border: #33393f;
    --accent: #6ea0ff;
    --accent-contrast: #0b1220;
    --danger: #ff8a80;
    --danger-bg: #3a1512;
    --success: #7bd88f;
    --success-bg: #12301c;
    --warning: #e8c766;
    --warning-bg: #3a2f0c;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
  }
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  padding-inline: 16px;
  padding-block-start: max(16px, env(safe-area-inset-top, 0px));
  padding-block-end: max(16px, env(safe-area-inset-bottom, 0px));
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  line-height: 1.25;
  font-weight: 600;
}

h1 {
  font-size: 1.5rem;
  margin: 0 0 0.75rem;
}

h2 {
  font-size: 1.1rem;
  margin: 1.75rem 0 0.5rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

h3 {
  font-size: 0.95rem;
  margin: 1rem 0 0.4rem;
}

[hidden] {
  display: none !important;
}

/* ----- accessibility ----- */

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-contrast);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  z-index: 100;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
}

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

/* ----- layout ----- */

.topbar {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-inline: -16px;
  padding: 0.6rem 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.topbar-title {
  font-weight: 700;
}

.topbar-nav {
  margin-inline-start: auto;
  display: flex;
  gap: 0.9rem;
  align-items: center;
  flex-wrap: wrap;
}

.main {
  max-width: 900px;
  margin: 0 auto;
  padding-block: 1.25rem 3rem;
}

.view-narrow {
  max-width: 26rem;
  margin: 0 auto;
}

.view-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem;
}

.view-header h1 {
  margin: 0;
  flex: 1 1 auto;
}

section + section {
  margin-top: 2rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

/* ----- forms and buttons ----- */

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 400;
}

.checkbox-label input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
}

input[type="text"],
input[type="password"],
input[type="email"],
select,
textarea {
  width: 100%;
  max-width: 28rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
}

textarea {
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.form-row {
  margin-bottom: 0.9rem;
}

.field-hint {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 0.3rem 0 0;
  max-width: 32rem;
}

.stacked-form {
  max-width: 28rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.filter-form {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.6rem;
  margin: 0.75rem 0;
}

.filter-form label {
  margin-bottom: 0.35rem;
}

.form-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.divider-line {
  color: var(--text-muted);
  text-align: center;
  font-size: 0.85rem;
  margin: 1rem 0;
}

button {
  font: inherit;
  cursor: pointer;
  border-radius: var(--radius);
  border: 1px solid transparent;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.button-primary {
  padding: 0.55rem 1rem;
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
  font-weight: 600;
}

.button-secondary {
  padding: 0.45rem 0.85rem;
  background: var(--bg-elevated);
  color: var(--text);
  border-color: var(--border);
}

.button-danger {
  padding: 0.45rem 0.85rem;
  background: var(--danger-bg);
  color: var(--danger);
  border-color: var(--danger);
}

.button-secondary:hover,
.button-primary:hover,
.button-danger:hover {
  filter: brightness(1.05);
}

.link-button {
  background: none;
  border: none;
  padding: 0;
  color: var(--accent);
  text-decoration: underline;
  font-size: 0.95rem;
  cursor: pointer;
}

.link-danger {
  color: var(--danger);
}

/* ----- dialogs ----- */

dialog.app-dialog {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  color: var(--text);
  max-width: min(28rem, calc(100vw - 2rem));
  padding: 1.25rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

dialog.app-dialog::backdrop {
  background: rgba(0, 0, 0, 0.45);
}

dialog.app-dialog h2 {
  margin-top: 0;
  font-size: 1.15rem;
  color: var(--text);
  text-transform: none;
  letter-spacing: normal;
}

.dialog-warning {
  color: var(--text);
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  margin-top: 1rem;
}

/* ----- status messages ----- */

.status-message {
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius);
  margin: 0.5rem 0;
  font-size: 0.92rem;
}

.status-loading {
  background: var(--bg-inset);
  color: var(--text-muted);
}

.status-empty {
  background: var(--bg-inset);
  color: var(--text-muted);
  font-style: italic;
}

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

.status-success {
  background: var(--success-bg);
  color: var(--success);
}

/* ----- facts ----- */

.fact-list {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.35rem 1rem;
  margin: 0;
}

.fact-list dt {
  color: var(--text-muted);
}

.fact-list dd {
  margin: 0;
  overflow-wrap: anywhere;
}

/* ----- entity lists ----- */

.entity-list,
.plain-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.plain-list li {
  padding: 0.3rem 0;
}

.entity-list li.entity-row {
  border-bottom: 1px solid var(--border);
  padding: 0.55rem 0.1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.8rem;
}

.entity-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.entity-link:hover {
  text-decoration: underline;
}

.entity-meta {
  color: var(--text-muted);
  font-size: 0.85rem;
  flex: 1 1 auto;
}

.entity-actions {
  display: flex;
  gap: 0.6rem;
  margin-left: auto;
}

.folder-tradeoff {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 0.1rem 0 0.3rem;
  flex-basis: 100%;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

/* ----- apply-state badge ----- */

.apply-state-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.apply-badge {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.apply-applied {
  background: var(--success-bg);
  color: var(--success);
}

.apply-pending {
  background: var(--warning-bg);
  color: var(--warning);
}

.apply-unreachable {
  background: var(--danger-bg);
  color: var(--danger);
}

/* ----- tables ----- */

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  padding: 0.5rem 0.7rem;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}

.data-table thead th {
  color: var(--text-muted);
  font-weight: 600;
  background: var(--bg-inset);
  position: sticky;
  top: 0;
}

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

.files-table .file-name {
  font-family: var(--font-mono);
  white-space: pre;
}

.file-deleted td {
  color: var(--text-muted);
}

.counts-line {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.status-json {
  background: var(--bg-inset);
  border-radius: var(--radius);
  padding: 0.6rem 0.8rem;
  font-size: 0.85rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ----- phone width ----- */

@media (max-width: 480px) {
  body {
    font-size: 14px;
  }

  .topbar-nav {
    width: 100%;
    justify-content: flex-end;
  }

  input[type="text"],
  input[type="password"],
  input[type="email"],
  select,
  textarea,
  .stacked-form {
    max-width: none;
  }

  .entity-actions {
    margin-left: 0;
    flex-basis: 100%;
  }
}