/* 
  PharmX Drug Page Styles
  Individual drug pronunciation pages
*/

@import url('https://fonts.googleapis.com/css2?family=Figtree:wght@400;500;600;700&display=swap');

:root {
  /* Color Palette */
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-text-main: #0f172a;
  --color-text-muted: #64748b;
  --color-primary: #0284c7;
  --color-primary-dark: #0369a1;
  --color-primary-light: #e0f2fe;
  --color-border: #e2e8f0;
  --color-focus-ring: rgba(2, 132, 199, 0.4);
  --color-error: #ef4444;
  --color-success: #22c55e;

  /* 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;

  /* Typography */
  --font-family: 'Figtree', system-ui, -apple-system, sans-serif;

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

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.site-header {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border-bottom: 1px solid var(--color-border);
  width: 100%;
  background: rgba(255, 255, 255, 0.8);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(5px);
}

.nav {
  width: 100%;
  max-width: 1200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.2px;
  text-decoration: none;
  color: var(--color-text-main);
  font-size: 1.5rem;
}

/* Main Content */
.drug-page {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}

.drug-container {
  width: 100%;
  max-width: 500px;
}

/* Back Link */
.back-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  margin-bottom: var(--space-lg);
  transition: color var(--transition-fast);
}

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

/* Drug Card */
.drug-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  padding: var(--space-2xl);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.drug-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.drug-name {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: var(--space-xl);
  text-transform: capitalize;
  word-break: break-word;
}

/* Play Button */
.play-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: 0.75rem;
  font-family: inherit;
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.play-button:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.play-button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px var(--color-focus-ring);
}

.play-button:active {
  transform: translateY(0);
}

.play-button.is-loading {
  opacity: 0.7;
  cursor: wait;
}

.play-button.is-playing {
  background-color: var(--color-success);
}

.play-button.is-playing .play-icon {
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

/* Audio Status */
.audio-status {
  margin-top: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  min-height: 1.5em;
}

/* Drug Info */
.drug-info {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Responsive */
@media (max-width: 640px) {
  .drug-name {
    font-size: 1.5rem;
  }
  
  .drug-card {
    padding: var(--space-xl);
  }
  
  .play-button {
    font-size: 1rem;
    padding: var(--space-md) var(--space-lg);
  }
}