/*
 * Base styles (ADR-0006 2.4.9): plain element styling plus a few helper classes. No build step,
 * no inline styles anywhere (CSP style-src 'self'). Colours come from tokens.css only.
 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-body);
  font-size: 100%;
  line-height: var(--line-height);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--font-size-base);
}

h1,
h2,
h3 {
  line-height: 1.25;
  margin: 0 0 var(--space-3);
}

h1 {
  font-size: var(--font-size-h1);
}

h2 {
  font-size: var(--font-size-h2);
}

p {
  margin: 0 0 var(--space-3);
}

a {
  color: var(--color-link);
  text-underline-offset: 0.15em;
}

code,
kbd {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* Visible keyboard focus everywhere */
:focus-visible {
  outline: var(--focus-ring-width) solid var(--color-focus);
  outline-offset: 2px;
}

/* Programmatic focus targets (main, headings, error summary) need no ring on mouse focus */
[tabindex="-1"]:focus:not(:focus-visible) {
  outline: none;
}

.skip-link {
  position: absolute;
  left: var(--space-2);
  top: -4rem;
  padding: var(--space-2) var(--space-3);
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-radius: var(--radius);
  z-index: 10;
}

.skip-link:focus {
  top: var(--space-2);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Page frame */
.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-subtle);
}

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

/* Sign-out button in the top bar: a form, but laid out like a link-sized control */
.topbar .inline-form {
  margin: 0 0 0 auto;
}

.auth-form {
  max-width: 32rem;
}

main {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--space-4) var(--space-3);
}

.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
}

.notifications:empty {
  display: none;
}

.notifications {
  max-width: var(--content-max-width);
  margin: var(--space-3) auto 0;
  padding: 0 var(--space-3);
}

/* Layout helpers */
.stack > * + * {
  margin-top: var(--space-3);
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Forms */
label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-1);
}

input,
select,
textarea {
  display: block;
  width: 100%;
  max-width: 32rem;
  padding: var(--space-2) var(--space-3);
  font: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

input[type="checkbox"],
input[type="radio"] {
  display: inline-block;
  width: auto;
}

.field {
  margin-bottom: var(--space-3);
}

.field-help {
  margin: 0 0 var(--space-1);
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

.field-errors {
  margin: var(--space-1) 0 0;
  padding-left: var(--space-3);
  color: var(--color-danger);
  font-size: var(--font-size-small);
}

.field-invalid input,
.field-invalid select,
.field-invalid textarea {
  border-color: var(--color-danger);
  border-width: 2px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
}

.btn-primary {
  color: var(--color-on-primary);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-danger {
  color: var(--color-on-danger);
  background: var(--color-danger);
  border-color: var(--color-danger);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Notices (errors are never colour-only: they carry a heading/text) */
.notice {
  padding: var(--space-3);
  margin-bottom: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-neutral-bg);
}

.notice-danger {
  background: var(--color-danger-bg);
  border-color: var(--color-danger);
}

.notice-warning {
  background: var(--color-warning-bg);
  border-color: var(--color-warning);
}

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

.notice-title {
  font-size: 1.1rem;
  margin-bottom: var(--space-2);
}

/* Badges: status is always written out */
.badge {
  display: inline-block;
  padding: 0 var(--space-2);
  font-size: var(--font-size-small);
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-neutral-bg);
  color: var(--color-text);
}

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

.badge-warning {
  background: var(--color-warning-bg);
  border-color: var(--color-warning);
}

.badge-danger {
  background: var(--color-danger-bg);
  border-color: var(--color-danger);
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table caption {
  text-align: left;
  font-weight: 700;
  padding-bottom: var(--space-2);
}

.table th,
.table td {
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border-subtle);
  vertical-align: top;
}

.table th {
  background: var(--color-surface);
}

/* Detail lists, masked values, empty states */
.detail-row {
  display: grid;
  grid-template-columns: minmax(8rem, 14rem) 1fr;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.detail dt {
  font-weight: 600;
  color: var(--color-text-muted);
}

.detail dd {
  margin: 0;
}

.masked {
  font-family: var(--font-mono);
}

.empty {
  color: var(--color-text-muted);
}

/*
 * htmx request state. htmx's own indicator style is disabled (includeIndicatorStyles: false in the
 * htmx-config meta), so the equivalent lives here.
 */
.htmx-indicator {
  opacity: 0;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
  opacity: 1;
}

[aria-busy="true"] {
  cursor: progress;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

/* Read-only portal previews of the panel (provider screens). */
.preview-card {
  border: 1px solid var(--color-border-subtle);
  background: var(--color-surface);
  padding: var(--space-3);
  margin-block: var(--space-3);
}

.preview-form {
  display: grid;
  gap: var(--space-3);
  max-width: 28rem;
}

.field-check {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
}