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

:root {
  color-scheme: light dark;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 10px;
  --radius-sm: 6px;
  --transition: 150ms ease;

  --bg: #f4f4f5;
  --surface: #ffffff;
  --surface-hover: #f0f0f2;
  --border: #d4d4d8;
  --text: #18181b;
  --text-muted: #71717a;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-text: #ffffff;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --play-active: #16a34a;
  --play-active-hover: #15803d;
  --shadow: 0 1px 3px rgb(0 0 0 / 8%);
  --tap-active: #fef3c7;
}

[data-theme="dark"] {
  --bg: #09090b;
  --surface: #18181b;
  --surface-hover: #27272a;
  --border: #3f3f46;
  --text: #fafafa;
  --text-muted: #a1a1aa;
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-text: #ffffff;
  --danger: #f87171;
  --danger-hover: #fca5a5;
  --play-active: #22c55e;
  --play-active-hover: #4ade80;
  --shadow: 0 1px 3px rgb(0 0 0 / 40%);
  --tap-active: #422006;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #09090b;
    --surface: #18181b;
    --surface-hover: #27272a;
    --border: #3f3f46;
    --text: #fafafa;
    --text-muted: #a1a1aa;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --accent-text: #ffffff;
    --danger: #f87171;
    --danger-hover: #fca5a5;
    --play-active: #22c55e;
    --play-active-hover: #4ade80;
    --shadow: 0 1px 3px rgb(0 0 0 / 40%);
    --tap-active: #422006;
  }
}

html {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
}

body {
  margin: 0;
  min-height: 100dvh;
  line-height: 1.5;
}

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}

.header h1,
.header__gig-name {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  cursor: pointer;
}

.header__title-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-logo {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  color: var(--accent);
}

.edit-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.125rem;
  height: 1.125rem;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  opacity: 0.35;
  transition: opacity var(--transition);
}

.edit-btn:hover {
  opacity: 0.75;
}

.edit-btn--desc {
  width: 1rem;
  height: 1rem;
}

.pencil-icon {
  display: block;
  width: 0.8125rem;
  height: 0.8125rem;
  background-color: var(--text-muted);
  mask-image: url("icons/pencil.svg");
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-image: url("icons/pencil.svg");
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
}

.edit-btn--desc .pencil-icon {
  width: 0.6875rem;
  height: 0.6875rem;
}

.header__gig-name-input {
  flex: 1;
  min-width: 0;
  margin: 0;
  padding: 0.125rem 0.375rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}

.header__gig-name-input:focus {
  outline: none;
}

.header__tagline-row {
  display: flex;
  align-items: center;
  gap: 0.1875rem;
  margin-top: 0.25rem;
}

.header__tagline {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  cursor: pointer;
}

.header__tagline-input {
  flex: 1;
  min-width: 0;
  margin: 0;
  padding: 0.125rem 0.375rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-muted);
  font: inherit;
  font-size: 0.9rem;
  line-height: 1.4;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}

.header__tagline-input:focus {
  outline: none;
}

.header__controls {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.gig-time-btn {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
}

.gig-time-btn.is-active {
  background: var(--play-active);
  border-color: var(--play-active);
  color: #fff;
}

.gig-time-btn.is-active:hover {
  background: var(--play-active-hover);
  border-color: var(--play-active-hover);
}

.volume-control {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.volume-icon {
  display: block;
  width: 1rem;
  height: 1rem;
  background-color: var(--text-muted);
  mask-image: url("icons/volume.svg");
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-image: url("icons/volume.svg");
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
}

.volume-slider {
  width: 5.5rem;
  height: 0.25rem;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.icon-btn {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: background var(--transition);
}

.icon-btn:hover {
  background: var(--surface-hover);
}

.theme-icon--dark {
  display: none;
}

[data-theme="dark"] .theme-icon--light {
  display: none;
}

[data-theme="dark"] .theme-icon--dark {
  display: inline;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-icon--light {
    display: none;
  }

  :root:not([data-theme="light"]) .theme-icon--dark {
    display: inline;
  }
}

[data-theme="light"] .theme-icon--light {
  display: inline;
}

[data-theme="light"] .theme-icon--dark {
  display: none;
}

.add-bar {
  margin-bottom: 1.5rem;
  padding: 0.625rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.add-bar.is-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent);
}

.add-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.input {
  flex: 1;
  min-width: 0;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}

.input--bpm {
  flex: 0 0 5.5rem;
  width: 5.5rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.625rem 0.875rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition),
    color var(--transition);
  white-space: nowrap;
}

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

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

.btn--ghost {
  border-color: var(--border);
  background: var(--surface);
}

.btn--ghost:hover {
  background: var(--surface-hover);
}

.btn--danger {
  color: var(--danger);
}

.btn--danger:hover {
  background: color-mix(in srgb, var(--danger) 12%, var(--surface));
  border-color: var(--danger);
}

.btn--play {
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border-color: var(--border);
  background: var(--surface);
  font-size: 0.85rem;
}

.btn--play:hover {
  background: var(--surface-hover);
}

.btn--play.is-playing {
  background: var(--play-active);
  border-color: var(--play-active);
  color: #fff;
}

.btn--play.is-playing:hover {
  background: var(--play-active-hover);
  border-color: var(--play-active-hover);
}

.btn--play .stop-icon {
  display: none;
}

.btn--play.is-playing .play-icon {
  display: none;
}

.btn--play.is-playing .stop-icon {
  display: inline;
}

.song-row__tap.is-tapping {
  background: var(--tap-active);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
}

.empty-state {
  padding: 2.5rem 1rem;
  text-align: center;
  color: var(--text-muted);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.song-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.song-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.625rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.song-row.is-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent);
}

.song-row.is-beating {
  animation: beat-flash 0.14s ease-out;
}

.song-row.is-beating.is-beating--accent {
  animation-name: beat-flash-accent;
}

@keyframes beat-flash {
  0% {
    background-color: color-mix(in srgb, var(--accent) 22%, var(--surface));
  }
  100% {
    background-color: var(--surface);
  }
}

@keyframes beat-flash-accent {
  0% {
    background-color: color-mix(in srgb, var(--accent) 40%, var(--surface));
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 45%, transparent);
  }
  100% {
    background-color: var(--surface);
    box-shadow: var(--shadow);
  }
}

.song-row.is-active.is-beating.is-beating--accent {
  animation-name: beat-flash-accent-active;
}

@keyframes beat-flash-accent-active {
  0% {
    background-color: color-mix(in srgb, var(--accent) 40%, var(--surface));
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 55%, transparent);
  }
  100% {
    background-color: var(--surface);
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent);
  }
}

.song-row__num {
  min-width: 1.5rem;
  padding-right: 0.125rem;
  text-align: right;
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  user-select: none;
}

.song-row.is-active .song-row__num {
  color: var(--accent);
  font-weight: 600;
}

.song-row--break {
  grid-template-columns: auto 1fr auto;
  background: color-mix(in srgb, var(--bg) 70%, var(--surface));
  border-style: dashed;
  box-shadow: none;
}

.song-row--break.is-active {
  border-style: dashed;
}

.song-row--break .song-row__num {
  opacity: 0.45;
  font-weight: 400;
}

.song-row--break.is-active .song-row__num {
  color: var(--text-muted);
  font-weight: 400;
}

.song-row__title--center {
  text-align: center;
  font-style: italic;
  color: var(--text-muted);
}

.song-row__title--center:not(:placeholder-shown) {
  color: var(--text);
  font-style: normal;
  font-weight: 500;
}

.song-row--break .song-row__title {
  border-color: transparent;
  background: transparent;
}

.song-row--break .song-row__title:focus {
  border-color: var(--border);
  background: var(--surface);
}

.song-row__actions--break .song-row__manage {
  padding-left: 0;
  border-left: none;
}

.song-row__bpm-group {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.btn--icon {
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  font-size: 1rem;
  line-height: 1;
}

.btn--icon:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn--icon:disabled:hover {
  background: var(--surface);
  border-color: var(--border);
}

.song-row__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.song-row__manage {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding-left: 0.75rem;
  border-left: 1px solid var(--border);
}

.song-row__title {
  width: 100%;
}

.song-row__title-text,
.song-row__bpm-text {
  display: none;
}

.song-row__title-text {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}

.song-row__title-text--center {
  text-align: center;
  font-weight: 500;
}

.song-row__title-text--center:empty::before {
  content: "Break";
  font-style: italic;
  color: var(--text-muted);
  font-weight: 400;
}

.song-row__bpm-text {
  flex: 0 0 5.5rem;
  width: 5.5rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--text);
}

.song-row__bpm-text:empty::before {
  content: "—";
  color: var(--text-muted);
  font-weight: 400;
}

.song-row__bpm-text.is-empty {
  color: var(--text-muted);
  font-weight: 400;
}

.song-row__done {
  display: none;
}

.app.is-gig-time #add-bar {
  display: none;
}

.app.is-gig-time .edit-btn,
.app.is-gig-time .song-row__tap,
.app.is-gig-time .song-row__manage {
  display: none;
}

.app.is-gig-time .song-row__title,
.app.is-gig-time .song-row__bpm {
  display: none;
}

.app.is-gig-time .song-row__title-text,
.app.is-gig-time .song-row__bpm-text {
  display: block;
}

.app.is-gig-time .song-row__bpm-text {
  display: flex;
  align-items: center;
  justify-content: center;
}

.app.is-gig-time .header__gig-name,
.app.is-gig-time .header__tagline {
  cursor: default;
}

.app.is-gig-time .song-row__actions {
  gap: 0.375rem;
}

.app.is-gig-time .song-row__done {
  display: inline-flex;
  color: var(--text-muted);
}

.app.is-gig-time .song-row__done:hover {
  color: var(--success, #16a34a);
  border-color: color-mix(in srgb, #16a34a 40%, var(--border));
  background: color-mix(in srgb, #16a34a 12%, var(--surface));
}

.app.is-gig-time .song-row.is-done {
  display: none;
}

.footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer__copy-link {
  margin-top: 0.625rem;
  padding: 0;
  border: none;
  background: none;
  color: var(--text-muted);
  font: inherit;
  font-size: 0.8125rem;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
  transition: color var(--transition);
}

.footer__copy-link:hover {
  color: var(--text);
}

.footer kbd {
  display: inline-block;
  padding: 0.125rem 0.375rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  font-family: inherit;
  font-size: 0.75rem;
  line-height: 1.4;
}

@media (max-width: 540px) {
  .song-row {
    grid-template-columns: auto 1fr;
  }

  .song-row__bpm-group {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .song-row__actions {
    grid-column: 1 / -1;
    justify-content: flex-end;
  }

  .add-form {
    flex-direction: column;
  }

  .input--bpm {
    flex: 1;
    width: auto;
  }
}