/* FanBuddy local prototype — responsive, accessible base styles */

:root {
  --color-bg: #f7fafc;
  --color-surface: #ffffff;
  --color-text: #1a202c;
  --color-text-muted: #4a5568;
  --color-border: #cbd5e0;
  --color-primary: #0b6e4f;
  --color-primary-hover: #095c42;
  --color-secondary: #2c5282;
  --color-warning-bg: #fffbeb;
  --color-warning-border: #d69e2e;
  --color-warning-text: #744210;
  --color-danger-bg: #fff5f5;
  --color-danger-border: #c53030;
  --color-success-bg: #f0fff4;
  --color-success-border: #276749;
  --color-focus: #1a365d;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --radius: 0.5rem;
  --max-width: 68rem;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --line: 1.6;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  line-height: var(--line);
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-secondary);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.15em;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.table-wrap:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  background: var(--color-focus);
  color: #fff;
  padding: var(--space-sm) var(--space-md);
}

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

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

/* Header & nav */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
  justify-content: space-between;
}

.site-brand {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
}

.brand-link {
  color: var(--color-text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.brand-mark {
  display: inline-flex;
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  overflow: hidden;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-sm) var(--space-md);
  font: inherit;
  cursor: pointer;
  color: var(--color-text);
}

.primary-nav .nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
}

.primary-nav a {
  display: inline-block;
  padding: var(--space-xs) 0;
  color: var(--color-text);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
  border-bottom-color: var(--color-primary);
  color: var(--color-primary);
}

/* Global warning banner — high contrast, not colour-only */
.global-banner {
  background: var(--color-warning-bg);
  border-bottom: 3px solid var(--color-warning-border);
  color: var(--color-warning-text);
}

.global-banner p {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-md);
}

/* Main */
.main-content {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
}

.main-content:focus {
  outline: none;
}

.hero {
  margin-bottom: var(--space-xl);
}

.lede {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 40rem;
}

.hero-promise {
  font-size: 1.1rem;
}

h1, h2, h3 {
  line-height: 1.25;
  color: var(--color-text);
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin-top: 0;
}

/* Cards */
.card-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 16rem), 1fr));
  gap: var(--space-lg);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.card-title {
  margin: 0;
  font-size: 1.15rem;
}

.card-meta {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Badges — text + border, not colour alone */
.badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 0.2rem 0.5rem;
  border-radius: 0.25rem;
  border: 1px solid currentColor;
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
}

.badge-unverified,
.badge-pending {
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
  border-color: var(--color-warning-border);
}

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

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

/* Buttons */
.button {
  display: inline-block;
  font: inherit;
  font-weight: 600;
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  margin: 0 var(--space-sm) var(--space-sm) 0;
}

.button-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.button-primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
}

.button-secondary {
  background: var(--color-surface);
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.button-secondary:hover {
  background: #ebf8ff;
  color: var(--color-secondary);
}

/* Panels & callouts */
.panel,
.claim-callout {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  margin: var(--space-lg) 0;
}

.claim-callout {
  background: var(--color-warning-bg);
  border-left: 4px solid var(--color-warning-border);
  color: var(--color-warning-text);
}

.claim-callout-safe {
  background: var(--color-success-bg);
  border-left-color: var(--color-success-border);
  color: var(--color-success-border);
}

.callout-title {
  margin-top: 0;
  font-size: 1.1rem;
}

.success-panel {
  border-left: 4px solid var(--color-success-border);
  background: var(--color-success-bg);
}

/* Specs */
.spec-list,
.spec-table {
  margin: 0;
}

.spec-list > div,
.spec-table > div {
  display: grid;
  grid-template-columns: minmax(8rem, 12rem) 1fr;
  gap: var(--space-sm) var(--space-md);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.spec-list dt,
.spec-table dt {
  font-weight: 700;
  margin: 0;
}

.spec-list dd,
.spec-table dd {
  margin: 0;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 28rem;
}

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

.data-table th {
  background: #edf2f7;
  font-weight: 700;
}

/* Forms */
.form-stack {
  max-width: 36rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
}

.form-field label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.form-control,
input[type="text"],
input[type="email"],
select,
textarea {
  width: 100%;
  font: inherit;
  padding: 0.55rem 0.65rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-text);
}

.form-field-error .form-control,
.form-field-error input,
.form-field-error select,
.form-field-error textarea {
  border-color: var(--color-danger-border);
}

.form-help {
  margin: var(--space-xs) 0 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.field-errors,
.form-errors {
  margin: var(--space-xs) 0 0;
  padding: 0;
  list-style: none;
  color: var(--color-danger-border);
  font-weight: 600;
}

.required-marker {
  color: var(--color-danger-border);
  margin-left: 0.15rem;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

/* Breadcrumbs */
.breadcrumbs ol {
  list-style: none;
  margin: 0 0 var(--space-md);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  font-size: 0.95rem;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: var(--space-xs);
  color: var(--color-text-muted);
}

/* Empty / error states */
.empty-state,
.error-state {
  background: var(--color-surface);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-xl);
  text-align: center;
}

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

.messages {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-md);
}

.message {
  margin: 0 0 var(--space-sm);
  padding: var(--space-md);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

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

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

/* Footer */
.site-footer {
  background: #1a202c;
  color: #e2e8f0;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
}

.site-footer a {
  color: #90cdf4;
}

.footer-note {
  color: #a0aec0;
  font-size: 0.95rem;
}

.footer-links {
  list-style: none;
  margin: var(--space-md) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: #edf2f7;
  padding: 0.1em 0.35em;
  border-radius: 0.25rem;
}

.site-footer code {
  background: #2d3748;
  color: #e2e8f0;
}

/* Mobile navigation */
@media (max-width: 48rem) {
  .nav-toggle {
    display: inline-block;
  }

  .primary-nav {
    display: none;
    width: 100%;
  }

  .primary-nav.is-open {
    display: block;
  }

  .primary-nav .nav-list {
    flex-direction: column;
    gap: 0;
  }

  .primary-nav a {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border);
  }

  .spec-list > div,
  .spec-table > div {
    grid-template-columns: 1fr;
  }
}

/* Narrow reflow target (~320px) */
@media (max-width: 22rem) {
  .main-content,
  .header-inner,
  .footer-inner,
  .global-banner p {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }

  .button {
    display: block;
    width: 100%;
    margin-right: 0;
  }
}

/* Prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* High contrast preference */
@media (prefers-contrast: more) {
  :root {
    --color-border: #000;
    --color-text: #000;
    --color-bg: #fff;
  }

  .badge,
  .button,
  .card,
  .form-stack {
    border-width: 2px;
  }
}