/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}

img,
picture,
video,
svg {
  display: block;
  max-width: 100%;
}

body {
  min-height: 100svh;
  line-height: 1.6;
  font-family:
    system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
}

/* Tokens */
:root {
  --radius: 0.375rem;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
  --max-width: 60rem;
  --max-width-narrow: 28rem;
}

/* Layout */
.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.stack-lg {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: var(--space-md);
}

.center {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.center-narrow {
  width: 100%;
  max-width: var(--max-width-narrow);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

/* Typography */
h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
}

h2 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  line-height: 1.3;
}

h3 {
  font-size: 1.15rem;
  line-height: 1.4;
}

p {
  max-width: 65ch;
}

a {
  color: var(--color-accent);
}

a:hover {
  color: var(--color-accent-hover);
}

small,
.text-muted {
  color: var(--color-muted);
  font-size: 0.875rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) 0;
}

.site-header .center {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.site-header nav a {
  text-decoration: none;
  font-size: 0.9375rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-lg) 0;
  margin-top: var(--space-xl);
  color: var(--color-muted);
  font-size: 0.875rem;
}

/* Logo */
.logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
}

.logo-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.logo-text {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.logo-accent {
  color: var(--color-accent);
  font-weight: 400;
}

.logo-link:hover .logo-icon {
  color: var(--color-accent-hover);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
  font: inherit;
  font-size: 0.9375rem;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  background: var(--color-surface);
}

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

.btn-primary:hover {
  background: var(--color-accent-hover);
}

.btn-sm {
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.8125rem;
}

/* Forms */
label {
  font-size: 0.9375rem;
  font-weight: 500;
}

input,
textarea,
select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font: inherit;
  font-size: 1rem;
  background: var(--color-bg);
  color: var(--color-text);
}

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

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

/* Card */
.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
}

/* Alerts */
.alert {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  font-size: 0.9375rem;
}

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

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

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

/* Avatar */
.avatar-upload {
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  border: 2px dashed var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-surface);
}

.avatar-placeholder {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--color-muted);
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  white-space: nowrap;
}

.table th,
.table td {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table th {
  background: var(--color-surface);
  font-weight: 600;
  position: sticky;
  top: 0;
}

.table th button {
  all: unset;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font: inherit;
  font-weight: 600;
  color: inherit;
}

.table th button:hover {
  color: var(--color-accent);
}

.sort-icon {
  font-size: 0.75rem;
  color: var(--color-muted);
}

.table tbody tr:hover {
  background: var(--color-surface);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.125rem var(--space-sm);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

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

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

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

/* Detail list */
.detail-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.detail-row {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-row dt {
  flex-shrink: 0;
  width: 8rem;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.detail-row dd {
  font-size: 0.9375rem;
}

/* Danger button */
.btn-danger {
  background: var(--color-error);
  color: var(--color-bg);
  border-color: var(--color-error);
}

.btn-danger:hover {
  opacity: 0.85;
}

/* Inline code */
code {
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;
  font-size: 0.875em;
  padding: 0.125em 0.375em;
  background: var(--color-surface);
  border-radius: var(--radius);
}

/* Action links in tables */
.action-links {
  display: flex;
  gap: var(--space-sm);
}

.action-links a {
  font-size: 0.8125rem;
  white-space: nowrap;
}

/* Admin nav */
.admin-nav {
  gap: var(--space-sm);
}

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

/* Misc */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
}

.page-section {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.article {
  max-width: 45rem;
}

@media (max-width: 32em) {
  .two-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

@media (min-width: 32.01em) {
  .two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
}