body {
  font-family: var(--font-sans);
  font-size: var(--text-md);
  background: var(--color-bg);
  color: var(--color-text);
}

h1 {
  font-size: var(--text-xl);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: var(--track-tight);
}

h2 {
  font-size: var(--text-md);
  line-height: 1.3;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--track-wide);
}

h3 {
  font-size: var(--text-md);
  font-weight: 600;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

/* The main region is a programmatic focus target (skip link, route changes),
   not an interactive control — no focus ring on the whole page body. */
.app-main:focus,
.app-main:focus-visible,
.login-main:focus,
.login-main:focus-visible {
  outline: none;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-2);
  z-index: var(--z-toast);
  background: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-2) var(--space-4);
  font-weight: 600;
}

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

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

.noscript-message {
  margin: var(--space-8) auto;
  max-width: 28rem;
  padding: var(--space-4);
  text-align: center;
  border: var(--border-thin);
  color: var(--color-text);
}

/* Buttons — confident, uppercase, square */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 2.75rem;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong);
  background: var(--color-bg);
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: var(--track-wide);
  transition: background var(--duration-fast) ease, color var(--duration-fast) ease,
    border-color var(--duration-fast) ease;
  text-decoration: none;
}

.btn:hover {
  background: var(--color-text);
  color: var(--color-bg);
  text-decoration: none;
}

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

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

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

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

.btn-danger:hover {
  background: var(--color-danger);
  border-color: var(--color-danger);
  color: #ffffff;
}

.btn-ghost {
  border-color: transparent;
  background: transparent;
}

.btn-ghost:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

.btn-sm {
  min-height: 2.25rem;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

.btn-block {
  width: 100%;
}

.btn .icon {
  flex-shrink: 0;
}

.icon {
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-filled {
  fill: currentColor;
  stroke: none;
}

/* Forms */
.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.field label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--track-wide);
}

.field input,
.field textarea,
.field select {
  min-height: 2.75rem;
  padding: var(--space-2) var(--space-3);
  border: var(--border-thin);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  width: 100%;
  transition: border-color var(--duration-fast) ease;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--color-border-strong);
}

.field textarea {
  min-height: 6.5rem;
  resize: vertical;
}

.field-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.field-error,
.form-error {
  font-size: var(--text-sm);
  color: var(--color-danger);
  min-height: 1.25rem;
}

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

/* Loading */
.spinner {
  display: inline-block;
  width: 1.375rem;
  height: 1.375rem;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-text);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.boot-loading,
.page-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  min-height: 40vh;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--track-wide);
}

/* Content entrance — subtle rise + fade, disabled under reduced motion */
@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.anim-in {
  animation: rise-in var(--duration-slow) var(--ease-out) both;
}

/* Pages fade without a transform: an animated transform would turn the page
   into the containing block for position:fixed children (the mobile CTA bar). */
.page {
  animation: fade-in var(--duration-slow) var(--ease-out) both;
}

/* Skeleton shimmer for loading placeholders */
.skeleton {
  background: linear-gradient(
    100deg,
    var(--color-surface-2) 40%,
    var(--color-surface) 50%,
    var(--color-surface-2) 60%
  );
  background-size: 200% 100%;
  animation: shimmer 1.3s linear infinite;
}

@keyframes shimmer {
  from {
    background-position: 120% 0;
  }
  to {
    background-position: -80% 0;
  }
}

.skeleton-media {
  aspect-ratio: 1;
  border: var(--border-thin);
}

.skeleton-line {
  height: 0.8rem;
  margin-top: var(--space-2);
  width: 70%;
}

.skeleton-line.short {
  width: 40%;
}

/* Images fade in once decoded to avoid pop-in */
.fade-img {
  opacity: 0;
  transition: opacity var(--duration-slow) ease;
}

.fade-img.is-loaded {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Static status pages (offline / 404) */
.status-page {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
}

.status-card {
  max-width: 26rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  border: var(--border-thin);
  padding: var(--space-12) var(--space-8);
}

.status-card h1 {
  text-transform: uppercase;
  letter-spacing: var(--track-wide);
}

.status-card p {
  color: var(--color-text-muted);
}