:root {
  color-scheme: dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: #0a0d0c;
  color: #f3f7f5;
  --panel: #121816;
  --panel-soft: #19211e;
  --border: #2a3732;
  --muted: #9cadA6;
  --green: #1ed760;
  --green-dark: #0f9f45;
  --danger: #ff8e8e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 75% -10%, rgb(30 215 96 / 16%), transparent 30rem),
    #0a0d0c;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 0.7rem 0.95rem;
  color: inherit;
  background: var(--panel-soft);
  cursor: pointer;
}

button:hover {
  border-color: #557065;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgb(30 215 96 / 45%);
  outline-offset: 2px;
}

.primary {
  border-color: var(--green);
  background: var(--green);
  color: #041308;
  font-weight: 750;
}

.primary:hover {
  background: #28ec70;
  border-color: #28ec70;
}

.site-header,
main {
  width: min(74rem, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2.5rem 0 1.5rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.05em;
}

h2 {
  margin-bottom: 0.55rem;
  letter-spacing: -0.025em;
}

.eyebrow,
.step {
  margin-bottom: 0.35rem;
  color: var(--green);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.mode-badge,
.custom-badge {
  border: 1px solid var(--border);
  border-radius: 99rem;
  padding: 0.35rem 0.65rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.custom-badge {
  border-color: rgb(30 215 96 / 45%);
  color: var(--green);
}

main {
  padding-bottom: 5rem;
}

.panel,
.alignment-card,
.standalone-card {
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: rgb(18 24 22 / 92%);
  box-shadow: 0 1.3rem 4rem rgb(0 0 0 / 18%);
}

.source-panel {
  display: grid;
  grid-template-columns: minmax(14rem, 0.75fr) minmax(20rem, 1.25fr);
  gap: 2rem;
  padding: clamp(1.2rem, 4vw, 2rem);
}

#source-form,
#metadata-form {
  display: grid;
  gap: 1rem;
}

label {
  display: grid;
  gap: 0.45rem;
  color: #d7e1dd;
  font-weight: 650;
}

input,
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 0.78rem 0.85rem;
  color: inherit;
  background: #0d1210;
}

.muted {
  color: var(--muted);
  line-height: 1.55;
}

.compact {
  margin-bottom: 0;
  font-size: 0.86rem;
}

.status {
  margin: 1rem 0;
  border: 1px solid var(--border);
  border-radius: 0.7rem;
  padding: 0.9rem 1rem;
  color: var(--muted);
  background: var(--panel);
}

.status.error {
  border-color: rgb(255 142 142 / 45%);
  color: var(--danger);
}

.review {
  margin-top: 2.5rem;
}

.review-header,
.card-heading,
.dialog-header,
.dialog-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.stack {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.alignment-card,
.standalone-card {
  padding: 1rem;
}

.source-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  gap: 0.75rem;
  margin-top: 0.8rem;
}

.source-box {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 0.8rem;
  min-width: 0;
  border-radius: 0.75rem;
  padding: 0.8rem;
  background: var(--panel-soft);
}

.source-box img {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 0.45rem;
  object-fit: cover;
  background: #26312d;
}

.source-box h4 {
  margin: 0 0 0.35rem;
  overflow-wrap: anywhere;
}

.source-box p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.arrow {
  align-self: center;
  color: var(--green);
  font-size: 1.35rem;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.8rem;
}

.process-bar,
.player-shell {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  padding: 1rem;
  background: var(--panel-soft);
}

.player-shell {
  position: sticky;
  top: 0.75rem;
  z-index: 2;
}

.player-shell audio {
  width: min(32rem, 55%);
}

.player-artwork {
  width: 4rem;
  height: 4rem;
  flex: 0 0 auto;
  border-radius: 0.55rem;
  object-fit: cover;
  background: #18211e;
}

.player-controls {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
}

.progress-track {
  overflow: hidden;
  height: 0.4rem;
  margin-top: 0.7rem;
  border-radius: 99rem;
  background: #26312d;
}

.progress-fill {
  height: 100%;
  background: var(--green);
}

.result-links {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.75rem;
}

.result-links a {
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 0.6rem 0.8rem;
  color: inherit;
  text-decoration: none;
}

.candidate-select {
  flex: 1 1 20rem;
}

.field-revert {
  align-self: flex-start;
  margin-top: 0.35rem;
  padding: 0.3rem 0.55rem;
  font-size: 0.78rem;
}

.metadata-preview {
  overflow: auto;
  max-height: 16rem;
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  padding: 0.8rem;
  white-space: pre-wrap;
  color: var(--muted);
  background: #101714;
}

.spacer {
  flex: 1;
}

.danger-secondary {
  border-color: rgb(255 142 142 / 35%);
  color: var(--danger);
}

.icon-button {
  border: 0;
  padding: 0.2rem 0.5rem;
  font-size: 1.7rem;
  background: transparent;
}

dialog {
  width: min(35rem, calc(100% - 2rem));
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.2rem;
  color: inherit;
  background: var(--panel);
  box-shadow: 0 2rem 7rem #000;
}

dialog::backdrop {
  background: rgb(0 0 0 / 70%);
  backdrop-filter: blur(0.2rem);
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
  }

  .source-panel {
    grid-template-columns: 1fr;
  }

  .source-grid {
    grid-template-columns: 1fr;
  }

  .process-bar,
  .player-shell {
    align-items: stretch;
    flex-direction: column;
  }

  .player-shell audio {
    width: 100%;
  }

  .player-controls {
    flex-wrap: wrap;
    justify-content: stretch;
  }

  .player-controls audio {
    order: -1;
    flex-basis: 100%;
  }

  .arrow {
    transform: rotate(90deg);
    justify-self: center;
  }
}