/* Spotify theme */
:root {
  --spotify-green: #1db954;
  --spotify-black: #191414;

  --bg-body: var(--spotify-black);
  --bg-card: #1c1c1c;
  --border-subtle: #282828;

  --text-primary: #ffffff;
  --text-muted: #b3b3b3;

  --radius-lg: 16px;
  --radius-pill: 999px;
}

/* Reset / base */

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background: radial-gradient(circle at top, #1db95422 0, #191414 55%);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui,
    sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--spotify-green);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Layout */

header {
  border-bottom: 1px solid var(--border-subtle);
  background: linear-gradient(
    135deg,
    #1db95433,
    transparent 45%,
    transparent 100%
  );
}

.container-header,
.container-footer {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem 0;
}

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 2.5rem;
}

footer {
  border-top: 1px solid var(--border-subtle);
}

.container-footer {
  padding: 1.25rem 0 1.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
}

/* Header text */

header h1 {
  margin: 0;
  font-size: 1.75rem;
}

.tagline {
  margin: 0.35rem 0 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Button */

.primary-button {
  border: none;
  border-radius: var(--radius-pill);
  padding: 0.6rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--spotify-green);
  color: var(--spotify-black);
  transition: transform 0.08s ease-out, box-shadow 0.08s ease-out,
    background 0.12s ease-out, opacity 0.12s ease-out;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.5);
}

.primary-button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.6);
}

.primary-button:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
}

.primary-button:disabled {
  opacity: 0.6;
  cursor: default;
  box-shadow: none;
}

.primary-button .button-label-loading {
  display: none;
}

.primary-button.is-loading .button-label-default {
  display: none;
}

.primary-button.is-loading .button-label-loading {
  display: inline;
}

/* Status + summary */

.status-section {
  margin-bottom: 1rem;
}

#statusMessage {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.summary-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 1rem 1.2rem;
  border: 1px solid var(--border-subtle);
}

.summary-card h2 {
  margin: 0 0 0.4rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.summary-value {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 600;
}

/* Playlists */

.playlists-section {
  margin-top: 1rem;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.section-header h2 {
  margin: 0;
  font-size: 1.2rem;
}

.playlists-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.playlist-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1rem 1.1rem;
}

.playlist-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.7rem;
}

.playlist-image {
  width: 64px;
  height: 64px;
  border-radius: 8px;
  object-fit: cover;
  background: #000000;
}

.playlist-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.playlist-name {
  font-weight: 600;
  font-size: 1rem;
}

.playlist-name:hover {
  text-decoration: underline;
}

.playlist-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.badge {
  border-radius: var(--radius-pill);
  padding: 0.1rem 0.6rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
}

.badge-new {
  background: rgba(29, 185, 84, 0.1);
  border-color: rgba(29, 185, 84, 0.6);
  color: var(--spotify-green);
}

/* Tracks */

.tracks-list {
  list-style: none;
  padding: 0;
  margin: 0.25rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.track {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.track-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.track-title {
  font-weight: 500;
  color: var(--text-primary);
}

.track-title:hover {
  text-decoration: underline;
}

.track-artists {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.track-added {
  color: var(--text-muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

/* Top artists / tracks */

.tops-section {
  margin-bottom: 2rem;
}

.tops-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.tops-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1rem 1.1rem;
}

.tops-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1rem;
}

.tops-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.tops-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
}

.tops-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
  object-fit: cover;
  background: #000;
}

.tops-body {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.tops-title {
  color: var(--text-primary);
  font-weight: 500;
}

.tops-title:hover {
  text-decoration: underline;
}

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

/* Misc */

.muted {
  color: var(--text-muted);
}

.no-changes {
  margin-top: 1.5rem;
  font-size: 0.95rem;
}

/* Responsive */

@media (max-width: 640px) {
  .container-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .playlist-header {
    align-items: flex-start;
  }

  .track {
    flex-direction: column;
    align-items: flex-start;
  }

  .container-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}