:root {
  color-scheme: light dark;
  --bg: #f6f4ee;
  --surface: #fffdf8;
  --text: #1e1c19;
  --muted: #6b665d;
  --border: #d8d2c6;
  --accent: #7a3e1d;
  --accent-text: #fff8f0;
  --danger: #9b2c2c;
  --ok-bg: #e5f3e2;
  --ok-text: #24521e;
  --error-bg: #fbe7e5;
  --error-text: #7c1f1a;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171512;
    --surface: #211e1a;
    --text: #f2ece1;
    --muted: #aaa294;
    --border: #3c372f;
    --accent: #e0a06a;
    --accent-text: #20160e;
    --danger: #ff8f86;
    --ok-bg: #1d3320;
    --ok-text: #b9e6b0;
    --error-bg: #3a1d1c;
    --error-text: #ffc0ba;
  }
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
}

a {
  color: var(--accent);
}

a:hover {
  text-decoration-thickness: 2px;
}

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 16px;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.site-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.site-title {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}

.site-title a {
  color: var(--text);
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.site-nav a,
.site-nav button {
  color: var(--text);
}

.site-nav .who {
  color: var(--muted);
  font-size: 0.9rem;
}

.search-form {
  display: flex;
  gap: 8px;
  flex: 1 1 260px;
  max-width: 420px;
}

.search-form input {
  flex: 1;
}

main {
  padding: 24px 0 48px;
}

h1 {
  margin: 0 0 16px;
  font-size: 1.6rem;
  line-height: 1.2;
}

h2 {
  margin: 24px 0 12px;
  font-size: 1.2rem;
}

p {
  margin: 0 0 12px;
}

input,
textarea,
button,
select {
  font: inherit;
}

input[type="text"],
input[type="password"],
input[type="search"],
textarea {
  width: 100%;
  padding: 10px 12px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

input:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  color: var(--accent-text);
  background: var(--accent);
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
}

button.secondary,
.button.secondary {
  color: var(--text);
  background: transparent;
  border-color: var(--border);
}

button.danger {
  background: var(--danger);
  color: #fff;
}

button.linkish {
  min-height: auto;
  padding: 0;
  color: var(--accent);
  background: none;
  border: 0;
  text-decoration: underline;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 16px 0;
}

.form-field {
  margin-bottom: 16px;
}

.form-field label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

.form-hint {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.notice,
.error {
  padding: 12px 14px;
  border-radius: var(--radius);
  margin: 0 0 16px;
}

.notice {
  background: var(--ok-bg);
  color: var(--ok-text);
}

.error {
  background: var(--error-bg);
  color: var(--error-text);
}

.song-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  border-top: 1px solid var(--border);
}

.song-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.song-list .song-title {
  font-weight: 600;
}

.song-list .meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.song-list .spacer {
  flex: 1;
}

.badge {
  display: inline-block;
  padding: 1px 8px;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.85rem;
}

.song-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.song-body {
  margin: 0;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "DejaVu Sans Mono", monospace;
  font-size: 1rem;
  line-height: 1.45;
  font-variant-ligatures: none;
  tab-size: 4;
  white-space: pre;
  overflow-x: auto;
}

.song-body.wrap {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.song-editor {
  min-height: 50vh;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "DejaVu Sans Mono", monospace;
  font-size: 1rem;
  line-height: 1.45;
  font-variant-ligatures: none;
  tab-size: 4;
  white-space: pre;
}

.wrap-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

.invite-box {
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 12px 0 20px;
}

.invite-box input {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  letter-spacing: 0.04em;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 600px) {
  .container {
    padding: 12px;
  }

  .site-header .container {
    gap: 8px 12px;
  }

  .site-nav {
    width: 100%;
    margin-left: 0;
    justify-content: flex-start;
  }

  .search-form {
    max-width: none;
  }

  h1 {
    font-size: 1.35rem;
  }

  .song-body {
    padding: 12px;
    font-size: 0.95rem;
  }
}