/* Reset y base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --bg-tertiary: #2a2a2a;
  --bg-card: #1e1e1e;
  --bg-card-hover: #252525;
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --accent: #1db954;
  --accent-hover: #1ed760;
  --border: #333333;
  --danger: #e22134;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 12px rgba(0,0,0,0.4);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  padding-bottom: 120px;
}

/* Utilidades */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem;
}

.hidden {
  display: none !important;
}

/* Header */
.app-header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.app-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

/* Search */
.search-box {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-box input {
  width: 100%;
  padding: 0.6rem 1rem 0.6rem 2.5rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(29,185,84,0.2);
}

.search-box input::placeholder {
  color: var(--text-secondary);
}

.search-box .search-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  pointer-events: none;
}

/* User actions */
.user-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background-color: var(--accent);
  color: #000;
}

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

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 0.4rem 0.6rem;
}

.btn-ghost:hover {
  color: var(--text-primary);
}

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
}

.btn-icon {
  padding: 0.5rem;
  border-radius: 50%;
}

/* Main content */
main {
  padding: 1.5rem 1rem;
}

.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-align: center;
}

/* Cards grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.2s, border-color 0.2s;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.card:hover {
  background-color: var(--bg-card-hover);
  transform: translateY(-2px);
  border-color: var(--accent);
}

.card-icon {
  font-size: 2.5rem;
  opacity: 0.9;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
}

/* Lists */
.list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 700px;
  margin: 0 auto;
}

.list-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
  text-decoration: none;
  color: inherit;
}

.list-item:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--accent);
}

.list-item-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
}

.list-item-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.list-item-title {
  font-weight: 600;
  font-size: 1rem;
}

.list-item-meta {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.list-item-arrow {
  color: var(--text-secondary);
  flex-shrink: 0;
}

/* Audio items */
.audio-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 800px;
  margin: 0 auto;
}

.audio-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: border-color 0.2s;
}

.audio-item:hover {
  border-color: var(--accent);
}

.audio-item.playing {
  border-color: var(--accent);
  background-color: rgba(29,185,84,0.08);
}

.audio-number {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  width: 1.5rem;
  text-align: center;
  flex-shrink: 0;
}

.audio-info {
  flex: 1;
  min-width: 0;
}

.audio-title {
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.audio-date {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.audio-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
}

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

.breadcrumb-sep {
  color: var(--text-secondary);
}

.breadcrumb-current {
  color: var(--text-primary);
  font-weight: 600;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.6;
}

/* Login overlay */
.login-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.login-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  width: 100%;
  max-width: 380px;
  text-align: center;
}

.login-box h2 {
  margin-bottom: 0.5rem;
}

.login-box p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.login-box .error-msg {
  color: var(--danger);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  min-height: 1.3rem;
}

.login-box input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 1rem;
  margin-bottom: 1rem;
  outline: none;
}

.login-box input:focus {
  border-color: var(--accent);
}

.login-box .btn {
  width: 100%;
}

/* Player */
.player {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 0.75rem 1rem;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.player-info {
  flex: 1;
  min-width: 0;
}

.player-title {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.player audio {
  height: 36px;
  width: 220px;
  max-width: 50vw;
}

/* Search results */
.search-results {
  max-width: 800px;
  margin: 0 auto;
}

.search-result-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  cursor: pointer;
  transition: border-color 0.2s;
}

.search-result-item:hover {
  border-color: var(--accent);
}

.search-result-path {
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.search-result-title {
  font-weight: 600;
  font-size: 1rem;
}

.search-result-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Back button */
.back-btn {
  margin-bottom: 1rem;
  display: inline-flex;
}

/* Responsive */
@media (max-width: 600px) {
  .app-header .container {
    flex-wrap: wrap;
  }
  
  .search-box {
    order: 3;
    max-width: 100%;
    flex-basis: 100%;
  }
  
  .page-title {
    font-size: 1.4rem;
  }
  
  .cards-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .card {
    padding: 1rem;
  }
  
  .card-icon {
    font-size: 2rem;
  }
  
  .audio-item {
    flex-wrap: wrap;
  }
  
  .player {
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.5rem;
  }
  
  .player audio {
    width: 100%;
    max-width: 100%;
  }
  
  .player-info {
    width: 100%;
  }
}

@media (max-width: 360px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }
}