:root {
  --bg1: linear-gradient(145deg, #101820, #1f2937, #2d3e50);
  --bg2: #1c2833;
  --bg3: #273746;
  --text: #f5f7fa;
  --accent: #4f8cff;
  --accent-hover: #6faaff;
  --scrollbar-bg: rgba(255, 255, 255, 0.05);
  --scrollbar-thumb: rgba(255, 255, 255, 0.2);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] {
  --bg1: #f4f6f8;
  --bg2: #ffffff;
  --bg3: #e9ecf0;
  --text: #111;
  --accent: #0057e7;
  --accent-hover: #267aff;
  --scrollbar-bg: rgba(0, 0, 0, 0.05);
  --scrollbar-thumb: rgba(0, 0, 0, 0.15);
  --shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: 'Segoe UI', sans-serif;
  background: var(--bg1);
  color: var(--text);
  display: flex;
  height: 100vh;
  overflow: hidden;
  transition: background 0.4s ease, color 0.3s ease;
}

#sidebar {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center; /* horizontal zentrieren */
  padding: 1.2rem;
  gap: 1rem;
}

#playlist-search {
  padding: 0.6rem 1rem;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  background: var(--bg3);
  color: var(--text);
  box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.15);
  transition: background-color 0.3s, box-shadow 0.3s;

  width: 90%;       /* Breite fast volle Breite */
  margin: 0 auto;   /* horizontal mittig */
  display: block;   /* Sicherstellen, dass margin wirkt */
}

#playlist-search:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent);
}

#playlist-search::placeholder {
  color: var(--scrollbar-thumb);
}

#playlists, #tracks {
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-bg);
  -webkit-overflow-scrolling: touch;

  max-width: 60%;        /* Maximal so breit wie der Container */
  box-sizing: border-box; /* Padding + Border in Breite einberechnen */
  padding-right: 0.5rem;  /* Platz für Scrollbar, falls nötig */
}

#playlists::-webkit-scrollbar,
#tracks::-webkit-scrollbar {
  width: 8px;
}

#playlists::-webkit-scrollbar-track,
#tracks::-webkit-scrollbar-track {
  background: var(--scrollbar-bg);
  border-radius: 10px;
}

#playlists::-webkit-scrollbar-thumb,
#tracks::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 10px;
  transition: background-color 0.3s;
}

#playlists::-webkit-scrollbar-thumb:hover,
#tracks::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

.playlist-item,
.track-item {
  padding: 0.6rem 1rem;
  margin-bottom: 0.3rem;
  cursor: pointer;
  border-radius: 10px;
  user-select: none;
  transition: 0.3s;

  max-width: 100%;        /* Nicht breiter als Container */
  box-sizing: border-box; /* Wichtig, damit Padding die Breite nicht sprengt */
  word-wrap: break-word;  /* Lange Texte umbrechen */
}

.playlist-item:hover,
.playlist-item.active,
.track-item:hover,
.track-item.active {
  background: var(--accent);
  font-weight: 700;
  color: #fff;
}

#playlists-container,
#tracks-container {
  flex-grow: 1;
  overflow-y: auto;
  height: auto; /* oder max-height, nicht fix */
}


.track-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.track-cover {
  width: 40px;
  height: 40px;
  background: var(--bg3);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #888;
  user-select: none;
}


#player {
  flex-grow: 1;
  background: var(--bg3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  gap: 1rem;
}

#cover-large {
  width: 300px;
  height: 300px;
  border-radius: 20px;
  background: #2c5364;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: #888;
  user-select: none;
}

#track-info {
  text-align: center;
}

#track-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

#track-album {
  font-size: 1.1rem;
  color: #a0bcd9;
}

#controls {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  font-size: 2rem;
}

button.control-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.3rem 0.7rem;
  border-radius: 10px;
  color: var(--text);
  transition: 0.3s;
  user-select: none;
}

button.control-btn:hover {
  background: var(--accent);
}

#settings-panel {
  position: absolute;
  top: 50px;
  right: 10px;
  background: var(--bg3);
  padding: 1rem 1.5rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
  display: none;
  width: 220px;
  font-size: 0.95rem;
  color: var(--text);
  user-select: none;
}

#settings-panel.show {
  display: block;
}

#settings-panel h3 {
  margin-bottom: 0.7rem;
  font-weight: 700;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 0.3rem;
}

#settings-panel label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
  cursor: pointer;
}

#seekbar {
  width: 80%;
  appearance: none;
  height: 6px;
  border-radius: 6px;
  background: var(--accent);
  cursor: pointer;
  user-select: none;
}

#seekbar::-webkit-slider-thumb {
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text);
  border: 2px solid var(--accent);
  cursor: pointer;
  user-select: none;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  body {
    flex-direction: column;
  }
  #sidebar {
    width: 100%;
    max-height: 200px;
  }
  #player {
    padding: 1rem;
  }
}

#loading-screen {
  position: fixed;
  inset: 0;
  background: var(--bg1);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  animation: fadeIn 0.3s ease-in-out;
}

.loader-content {
  text-align: center;
  background: var(--bg3);
  padding: 2rem 3rem;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.loader-text {
  margin-top: 1rem;
  font-size: 1.2rem;
}

.loader-animation {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

.loader-animation span {
  width: 10px;
  height: 10px;
  background: var(--text);
  border-radius: 50%;
  animation: bounce 1s infinite ease-in-out;
}

.loader-animation span:nth-child(2) {
  animation-delay: 0.1s;
}

.loader-animation span:nth-child(3) {
  animation-delay: 0.2s;
}

.loader-animation span:nth-child(4) {
  animation-delay: 0.3s;
}

.loader-animation span:nth-child(5) {
  animation-delay: 0.4s;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.favorite-button {
  background: none;
  border: none;
  outline: none;
  box-shadow: none;
  cursor: pointer;
  padding: 0;
  font-size: 1.2em;
  line-height: 1;
  transition: transform 0.2s ease;
}

.favorite-button:hover {
  transform: scale(1.2);
}

#suggestions-box {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--bg3);
  border: 1px solid #444;
  border-radius: 6px;
  padding: 4px 0;
  margin-top: 4px;
  box-shadow: var(--shadow);
  max-height: 180px;
  overflow-y: auto;
  z-index: 10;
  animation: fadeSlideDown 0.2s ease-out forwards;
}

#suggestions-box li {
  padding: 8px 12px;
  cursor: pointer;
  color: var(--text);
  transition: background 0.2s ease;
}

#suggestions-box li:hover {
  background-color: var(--accent-hover);
}

@keyframes fadeSlideDown {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-4px);
  }
}

@keyframes slideUpFade {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

#tracks-container {
  height: 400px; /* Oder eine passende Höhe */
  overflow-y: auto;
}

#track-list button {
  background-color: transparent;
  border: 2px solid #0078d7;
  color: #0078d7;
  padding: 0.2em 0.5em;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.3s ease, color 0.3s ease;
}

#track-list button:hover {
  background-color: #0078d7;
  color: white;
}

#back-button {
  background-color: transparent;
  border: 2px solid var(--accent, #0078d7);
  color: var(--accent, #0078d7);
  padding: 0.3rem 0.7rem;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
  font-size: 1rem;
  transition: background-color 0.3s;
  user-select: none;
}

#back-button:hover {
  background-color: var(--accent, #0078d7);
  color: #fff;
}