/* ============================================
   Bloom Release Notes
   Brand colors & fonts from frontend/src/styles/
   ============================================ */

/* HelveticaNow Font Faces */
@font-face {
  font-family: 'HelveticaNowText';
  src: url('fonts/HelveticaNowText-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'HelveticaNowText';
  src: url('fonts/HelveticaNowText-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'HelveticaNowText';
  src: url('fonts/HelveticaNowText-MediumIt.otf') format('opentype');
  font-weight: 500;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'HelveticaNowText';
  src: url('fonts/HelveticaNowText-Light.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'HelveticaNowDisplay';
  src: url('fonts/HelveticaNowDisplay-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'HelveticaNowDisplay';
  src: url('fonts/HelveticaNowDisplay-Bold.otf') format('opentype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'HelveticaNowDisplay-XBd';
  src: url('fonts/HelveticaNowDisplay-XBd.otf') format('opentype');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'HelveticaNowMicro';
  src: url('fonts/HelveticaNowMicro-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Bloom Brand Colors */
  --petrol-blue: #118383;
  --sky-blue: #28B5BD;
  --sky-air: #E5F5F7;
  --liquorice: #171616;
  --sugar: #fffefa;
  --fog: #F8F8F8;
  --snow: #FFFFFF;
  --cloud: #CBCAC9;
  --silver: #74726D;
  --tungsten: #504E4B;

  /* Semantic Colors */
  --bg: var(--fog);
  --bg-elevated: var(--snow);
  --border: var(--cloud);
  --text: var(--liquorice);
  --text-muted: var(--silver);
  --accent: var(--petrol-blue);
  --accent-light: var(--sky-blue);
  --accent-muted: var(--sky-air);

  /* Typography - HelveticaNow (Bloom's actual fonts) */
  --font-text: 'HelveticaNowText', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'HelveticaNowDisplay', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-micro: 'HelveticaNowMicro', -apple-system, BlinkMacSystemFont, sans-serif;
  --font: var(--font-text);

  /* Spacing (from Bloom spacing tokens) */
  --space-micro: 2px;
  --space-milli: 4px;
  --space-centi: 8px;
  --space-deci: 16px;
  --space-regular: 24px;
  --space-deka: 32px;
  --space-hecto: 40px;
  --space-kilo: 48px;

  /* Border Radius (from Bloom) */
  --radius: 8px;
}

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

html { font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-regular);
}

/* Header with Bloom Logo */
header {
  display: flex;
  align-items: center;
  gap: var(--space-deci);
  padding: var(--space-kilo) 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-deka);
}

.logo {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.header-text h1 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 2px;
}

.tagline {
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 400;
}

/* Main Content */
main {
  display: flex;
  flex-direction: column;
  gap: var(--space-deka);
}

/* Release Entry Card */
.release-entry {
  background: var(--bg-elevated);
  padding: var(--space-regular);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  animation: fadeIn 0.4s ease-out both;
  animation-delay: var(--delay, 0ms);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Date Badge */
.release-date {
  display: inline-block;
  font-family: var(--font-micro);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-muted);
  padding: var(--space-milli) var(--space-centi);
  border-radius: var(--space-milli);
  margin-bottom: var(--space-deci);
  font-variant-numeric: tabular-nums;
}

/* Release Content Typography */
.release-content h1 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-bottom: var(--space-deci);
  color: var(--text);
}

.release-content h2 {
  font-family: var(--font-text);
  font-size: 1.125rem;
  font-weight: 500;
  margin-top: var(--space-regular);
  margin-bottom: var(--space-centi);
  color: var(--text);
}

.release-content h3 {
  font-family: var(--font-text);
  font-size: 1rem;
  font-weight: 500;
  margin-top: var(--space-deci);
  margin-bottom: var(--space-centi);
  color: var(--text);
}

.release-content p {
  margin-bottom: var(--space-deci);
  color: var(--text-muted);
  line-height: 1.6;
}

.release-content ul,
.release-content ol {
  margin-left: var(--space-deci);
  margin-bottom: var(--space-deci);
  color: var(--text-muted);
}

.release-content li {
  margin-bottom: var(--space-centi);
  line-height: 1.5;
}

.release-content li::marker {
  color: var(--accent-light);
}

.release-content strong {
  font-weight: 600;
  color: var(--text);
}

.release-content em {
  font-style: italic;
}

.release-content a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.release-content a:hover {
  border-bottom-color: var(--accent);
}

/* Images */
.release-content img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: var(--space-deci) 0;
  border: 1px solid var(--border);
}

/* Code */
.release-content code {
  font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
  font-size: 0.875em;
  background: var(--fog);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  color: var(--accent);
}

.release-content pre {
  background: var(--liquorice);
  color: var(--sugar);
  padding: var(--space-deci);
  border-radius: var(--radius);
  overflow-x: auto;
  margin: var(--space-deci) 0;
}

.release-content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* Blockquotes */
.release-content blockquote {
  border-left: 3px solid var(--accent-light);
  padding-left: var(--space-deci);
  margin: var(--space-deci) 0;
  color: var(--text-muted);
}

.release-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-regular) 0;
}

/* Loading State */
.loading,
.empty-state,
.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-deci);
  padding: var(--space-kilo);
  color: var(--text-muted);
  text-align: center;
}

.loading-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.empty-state h3,
.error-state h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--space-centi);
}

/* Footer */
footer {
  text-align: center;
  padding: var(--space-deka) 0 var(--space-regular);
  margin-top: var(--space-deka);
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 640px) {
  .container {
    padding: var(--space-deci);
  }

  header {
    padding: var(--space-deka) 0;
    margin-bottom: var(--space-regular);
  }

  .logo {
    width: 40px;
    height: 40px;
  }

  header h1 {
    font-size: 1.25rem;
  }

  .release-entry {
    padding: var(--space-deci);
  }

  .release-content h1 {
    font-size: 1.25rem;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* Print */
@media print {
  body {
    background: white;
  }

  .release-entry {
    border: 1px solid #ccc;
    break-inside: avoid;
  }
}