/**
 * Podcast Sites - CSS Styles
 * 
 * Minimalistic, mobile-first design with CSS custom properties for theming.
 * Each podcast can override --color-accent in their config.
 */

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */

:root {
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, 
                 Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", 
                 "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --line-height: 1.6;
  --line-height-tight: 1.3;

  /* Colors */
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #666666;
  --color-accent: #f04a00;
  --color-accent-hover: #d94200;
  --color-border: #e5e5e5;
  --color-bg-secondary: #f9f9f9;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Layout */
  --max-width: 48rem;
  --max-width-wide: 64rem;
  --border-radius: 8px;
  --border-radius-sm: 4px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

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

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

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

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-md);
  line-height: var(--line-height-tight);
  font-weight: 600;
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

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

/* ==========================================================================
   Utilities
   ========================================================================== */

.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;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container--wide {
  max-width: var(--max-width-wide);
}

.icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.5;
  text-decoration: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn--primary {
  color: white;
  background-color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

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

.btn--outline {
  color: var(--color-text);
  background-color: transparent;
  border: 2px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text);
  font-weight: 600;
  text-decoration: none;
}

.header__logo:hover {
  color: var(--color-text);
}

.header__logo-img {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  object-fit: cover;
}

.header__title {
  display: none;
}

@media (min-width: 640px) {
  .header__title {
    display: block;
  }
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.header__link {
  color: var(--color-text-muted);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.header__link:hover,
.header__link--active {
  color: var(--color-accent);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  margin-top: var(--space-3xl);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-secondary);
}

.footer__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

@media (min-width: 640px) {
  .footer__content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer__copyright {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.footer__social {
  display: flex;
  gap: var(--space-lg);
}

.footer__social-link {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

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

.footer__nav {
  display: flex;
  gap: var(--space-lg);
}

.footer__link {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.footer__link:hover {
  color: var(--color-accent);
}

/* ==========================================================================
   Main Content
   ========================================================================== */

.main {
  min-height: calc(100vh - 200px);
}

/* ==========================================================================
   Hero Section (Home)
   ========================================================================== */

.hero {
  padding: var(--space-3xl) 0;
  background-color: var(--color-bg-secondary);
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .hero .container {
    flex-direction: row;
    text-align: left;
  }
}

.hero__artwork {
  width: 200px;
  height: 200px;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  object-fit: cover;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .hero__artwork {
    width: 250px;
    height: 250px;
  }
}

.hero__content {
  flex: 1;
}

.hero__title {
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-2xl);
}

@media (min-width: 768px) {
  .hero__title {
    font-size: var(--font-size-3xl);
  }
}

.hero__author {
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
}

.hero__description {
  margin-bottom: var(--space-lg);
  color: var(--color-text-muted);
  max-width: 600px;
}

.hero__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

@media (min-width: 768px) {
  .hero__links {
    justify-content: flex-start;
  }
}

/* ==========================================================================
   About Section (Home)
   ========================================================================== */

.about {
  padding: var(--space-2xl) 0;
}

.about p {
  color: var(--color-text-muted);
  max-width: 600px;
}

/* ==========================================================================
   Episodes Section (Home)
   ========================================================================== */

.episodes {
  padding: var(--space-2xl) 0 var(--space-3xl);
}

.section-title {
  margin-bottom: var(--space-xl);
  font-size: var(--font-size-xl);
}

.episode-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.no-episodes {
  color: var(--color-text-muted);
  text-align: center;
  padding: var(--space-2xl);
}

/* ==========================================================================
   Episode Card
   ========================================================================== */

.episode-card {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.episode-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.episode-card__link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  color: var(--color-text);
  text-decoration: none;
}

.episode-card__content {
  flex: 1;
  min-width: 0;
}

.episode-card__title {
  margin: 0 0 var(--space-sm);
  font-size: var(--font-size-lg);
  font-weight: 600;
  line-height: var(--line-height-tight);
}

.episode-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-sm);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.episode-card__description {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.episode-card__play {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  color: var(--color-accent);
  background-color: var(--color-bg-secondary);
  border-radius: 50%;
  flex-shrink: 0;
  transition: background-color var(--transition-fast);
}

.episode-card:hover .episode-card__play {
  background-color: var(--color-accent);
  color: white;
}

/* ==========================================================================
   Episodes Page (All Episodes)
   ========================================================================== */

.episodes-page {
  padding: var(--space-3xl) 0;
}

.page-title {
  margin-bottom: var(--space-2xl);
  font-size: var(--font-size-2xl);
  font-weight: 700;
}

/* ==========================================================================
   About Page
   ========================================================================== */

.about-page {
  padding: var(--space-3xl) 0;
}

.about-content {
  max-width: var(--max-width);
}

.about-content h1,
.about-content h2,
.about-content h3 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.about-content h1:first-child,
.about-content h2:first-child {
  margin-top: 0;
}

.about-content p {
  margin-bottom: var(--space-md);
}

/* ==========================================================================
   Episodes More Button (Homepage)
   ========================================================================== */

.episodes__more {
  margin-top: var(--space-2xl);
  text-align: center;
}

/* ==========================================================================
   Episode Page
   ========================================================================== */

.episode-page {
  padding: var(--space-xl) 0;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

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

.episode-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

@media (min-width: 640px) {
  .episode-header {
    flex-direction: row;
    align-items: flex-start;
  }
}

.episode-header__image {
  width: 150px;
  height: 150px;
  border-radius: var(--border-radius);
  object-fit: cover;
  flex-shrink: 0;
}

@media (min-width: 640px) {
  .episode-header__image {
    width: 200px;
    height: 200px;
  }
}

.episode-header__content {
  flex: 1;
}

.episode-header__title {
  margin-bottom: var(--space-md);
  font-size: var(--font-size-xl);
}

@media (min-width: 640px) {
  .episode-header__title {
    font-size: var(--font-size-2xl);
  }
}

.episode-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* ==========================================================================
   Audio Player
   ========================================================================== */

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

.player {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius);
}

.player__audio {
  flex: 1;
  width: 100%;
  height: 40px;
}

.player__audio::-webkit-media-controls-panel {
  background-color: transparent;
}

.player__download {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text-muted);
  border-radius: var(--border-radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  flex-shrink: 0;
}

.player__download:hover {
  color: var(--color-accent);
  background-color: rgba(0, 0, 0, 0.05);
}

/* ==========================================================================
   Episode Content
   ========================================================================== */

.episode-content {
  margin-bottom: var(--space-2xl);
}

.episode-description {
  color: var(--color-text);
  line-height: var(--line-height);
}

.episode-description p {
  margin-bottom: var(--space-md);
}

.episode-description a {
  color: var(--color-accent);
  text-decoration: underline;
}

.episode-description ul,
.episode-description ol {
  margin: 0 0 var(--space-md);
  padding-left: var(--space-xl);
}

.episode-description li {
  margin-bottom: var(--space-xs);
}

/* ==========================================================================
   Listen Elsewhere
   ========================================================================== */

.listen-elsewhere {
  padding: var(--space-xl);
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius);
}

.listen-elsewhere h3 {
  margin-bottom: var(--space-md);
  font-size: var(--font-size-lg);
}

.listen-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
  .header,
  .footer,
  .player,
  .listen-elsewhere,
  .back-link {
    display: none;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

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

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: var(--color-text-muted);
  }
}