:root {
  color-scheme: dark;
  --color-primary-100: #382bf0;
  --color-primary-200: #5e43f3;
  --color-primary-300: #7a5af5;
  --color-primary-400: #9171f8;
  --color-primary-500: #a688fa;
  --color-primary-600: #ba9ffb;

  --color-surface-100: #121212;
  --color-surface-200: #282828;
  --color-surface-300: #3f3f3f;
  --color-surface-400: #575757;
  --color-surface-500: #717171;
  --color-surface-600: #8b8b8b;

  --color-surface-mixed-100: #1a1625;
  --color-surface-mixed-150: #1f1c27;
  --color-surface-mixed-200: #2f2b3a;
  --color-surface-mixed-300: #46424f;
  --color-surface-mixed-400: #5e5a66;
  --color-surface-mixed-500: #76737e;
  --color-surface-mixed-600: #908d96;

  --color-surface-alt: #d76016;
  --color-surface-green: #6aaa64;
  --color-surface-red: #f00;

  --bg: var(--color-surface-100);
  --surface: var(--color-surface-200);
  --surface-strong: var(--color-surface-mixed-150);
  --text: #f5f5ff;
  --muted: #a7abc5;
  --border: rgba(255,255,255,0.08);
  --accent: var(--color-primary-600);
  --accent-dark: var(--color-primary-100);
  --header: var(--color-surface-mixed-150);
  --footer: var(--color-surface-mixed-200);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

a:hover {
  text-decoration: underline;
}

header {
  background: var(--header);
  color: #f8fbff;
  padding: 18px 24px;
  box-shadow: 0 2px 14px rgba(22, 31, 45, 0.14);
}

header nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 1100px;
  margin: 0 auto;
}

header nav a {
  color: inherit;
  font-weight: 600;
  transition: color 0.2s ease;
}

header nav a:hover {
  color: #d1e4ff;
}

header hr {
  margin: 16px 0 0;
  border: 0;
  border-top: 1px solid rgba(255,255,255,0.16);
}

main.page-content {
  max-width: 980px;
  margin: 28px auto;
  padding: 0 20px 32px;
}

footer {
  text-align: center;
  padding: 18px 20px;
  background: var(--footer);
  color: #cbd5e1;
  font-size: 0.95rem;
}

h1,
h2,
h3 {
  color: var(--text);
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 2.4vw, 2.4rem);
}

p {
  margin: 0.9rem 0;
}

button,
a.button {
  background-color: var(--color-primary-600);
  border-radius: 15px;
  font-size: larger;
  padding: 0.5em 1em;
  transition-duration: 0.1s;
  box-shadow: 0 0.3em #999;
  outline: none;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  color: #fff;
  cursor: pointer;
  text-decoration: none;
}

button:hover,
a.button:hover {
  background-color: var(--color-primary-100);
  color: white;
}

button:active,
a.button:active {
  background-color: var(--color-primary-100);
  box-shadow: 0 0.1em #666;
  transform: translateY(4px);
}

form {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.35);
}

form div {
  margin-bottom: 1rem;
}

label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
  color: #d7daf3;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  padding: 0.92rem 1rem;
  background: var(--color-surface-100);
  color: var(--text);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary-400);
  box-shadow: 0 0 0 4px rgba(106, 90, 255, 0.16);
}

hr {
  border: 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin: 1.6rem 0;
}

.blog-post,
.profile,
.card.music-card {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.22);
}

.blog-post,
.card.music-card {
  padding: 20px;
  margin-bottom: 20px;
}

.profile {
  padding: 22px;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.post-description {
  margin-top: 1rem;
  color: var(--text);
}

.blog-images {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.blog-image {
  width: min(480px, 90%);
  object-fit: cover;
  border-radius: 16px;
  display: block;
  border: 1px solid rgba(42, 60, 90, 0.1);
}

.blog-image img,
.blog-image {
  aspect-ratio: auto;
}

.music-card {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.music-cover {
  width: 128px;
  height: 128px;
  border-radius: 16px;
  object-fit: cover;
  background: var(--color-surface-mixed-300);
  flex-shrink: 0;
}

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

.track-name {
  margin-bottom: 0.6rem;
  font-size: 1.12rem;
}

.track-name a {
  color: var(--color-primary-300);
}

.track-name a:hover {
  color: var(--color-primary-100);
}

.music-info p {
  margin: 0.45rem 0;
  color: var(--muted);
}

.now-playing {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: var(--color-primary-100);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
}

#inviteBtn {
  margin-top: 1rem;
}

#result {
  margin-top: 1rem;
  color: var(--text);
}

@media (max-width: 760px) {
  header nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .music-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .music-info {
    text-align: center;
  }

  .blog-image {
    width: 100%;
    max-width: 100%;
    height: auto;
  }
}