:root {
  --ink: #171412;
  --muted: #81786f;
  --paper: #fffaf0;
  --panel: rgba(255, 253, 247, 0.92);
  --line: #e8dfd2;
  --line-strong: #d7caba;
  --spotify: #1db954;
  --apple: #ff2d55;
  --review: #be6a16;
  --missing: #d43c36;
  --ready: #1ebf63;
  --shadow: 0 24px 80px rgba(55, 42, 25, 0.12);
  --display: "Fraunces", "Recoleta", "Georgia", serif;
  --body: "Satoshi", "Avenir Next", "Helvetica Neue", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--body);
  background:
    radial-gradient(circle at top left, rgba(30, 185, 84, 0.14), transparent 28rem),
    radial-gradient(circle at 90% 12%, rgba(255, 45, 85, 0.14), transparent 25rem),
    linear-gradient(90deg, rgba(40, 28, 17, 0.045) 1px, transparent 1px),
    linear-gradient(0deg, rgba(40, 28, 17, 0.045) 1px, transparent 1px),
    #f8f2e7;
  background-size: auto, auto, 34px 34px, 34px 34px, auto;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(320px, 430px) minmax(0, 1fr);
  min-height: 100vh;
}

.control-panel {
  position: sticky;
  top: 0;
  align-self: start;
  min-height: 100vh;
  padding: 40px 32px;
  border-right: 1px solid var(--line);
  background: rgba(255, 252, 245, 0.78);
  backdrop-filter: blur(18px);
}

.brand-lockup {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.brand-lockup > div {
  min-width: 0;
}

.brand-mark {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  box-shadow: 0 16px 34px rgba(28, 20, 15, 0.16);
}

.eyebrow,
.input-label,
.select-label,
.group-kicker,
.candidate-label,
.metric-label {
  margin: 0;
  color: #8f8780;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

.brand-title {
  margin-bottom: 0;
  font-family: var(--display);
  font-size: clamp(2.9rem, 4.3vw, 4.2rem);
  font-style: italic;
  line-height: 0.82;
  letter-spacing: -0.055em;
}

.brand-title span {
  display: block;
}

.hero-copy {
  margin: 28px 0 28px;
  color: #49433f;
  font-size: 1.2rem;
  line-height: 1.38;
}

.transfer-form,
.apple-card,
.progress-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: 0 16px 52px rgba(56, 43, 29, 0.08);
}

.transfer-form {
  display: grid;
  gap: 16px;
}

.input-card,
.select-card {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 22px;
  background: rgba(255, 253, 248, 0.92);
}

.input-card {
  grid-template-columns: auto 1fr;
  align-items: center;
  border-color: #cfc2b0;
  background: linear-gradient(180deg, #fffefb, #fffaf0);
  box-shadow: 0 10px 28px rgba(42, 31, 18, 0.06);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.input-card:focus-within {
  border-color: #171412;
  box-shadow: 0 0 0 4px rgba(23, 20, 18, 0.08), 0 18px 36px rgba(42, 31, 18, 0.1);
}

.input-card .input-label {
  color: #4c443d;
}

.input-row {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 48px;
  gap: 8px;
  align-items: center;
  padding: 8px;
  border: 2px solid #201b18;
  border-radius: 18px;
  background: #fff;
  cursor: text;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8), 0 8px 18px rgba(42, 31, 18, 0.06);
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.input-row:focus-within {
  border-color: #171412;
  background: #fffefb;
  box-shadow: 0 0 0 4px rgba(23, 20, 18, 0.1), 0 10px 24px rgba(42, 31, 18, 0.08);
}

.input-row input {
  min-height: 42px;
  width: 100%;
  border: 0;
  outline: 0;
  padding: 0 8px;
  color: var(--ink);
  caret-color: var(--ink);
  background: transparent;
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 700;
}

.input-row input::placeholder {
  color: #7f7770;
  font-weight: 700;
}

.service-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border-radius: 999px;
  color: #fff;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.service-pill.spotify {
  background: var(--spotify);
}

.service-pill.apple {
  background: linear-gradient(145deg, #ff2d55, #ff9eb0);
  font-family: var(--display);
  font-size: 1.05rem;
  font-style: italic;
  letter-spacing: 0;
}

.select-card select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px 16px;
  color: var(--ink);
  background: #f6f4f6;
  font-weight: 800;
}

.select-hint {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.35;
}

.analysis-scope-card {
  margin-top: 18px;
  background: rgba(255, 253, 247, 0.84);
}

.action-stack {
  display: grid;
  gap: 12px;
}

.primary-action,
.secondary-action,
.create-action,
.inline-preview-action,
.soft-action,
.mini-action,
.button-link {
  min-height: 56px;
  border: 0;
  border-radius: 999px;
  padding: 0 20px;
  font-weight: 900;
  text-decoration: none;
}

.primary-action {
  color: #fff;
  background: #090909;
}

.inline-preview-action {
  min-height: 44px;
  width: 44px;
  padding: 0;
  color: #fff;
  background: #090909;
  font-size: 1.45rem;
  line-height: 1;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.14);
  transition: transform 140ms ease, background 140ms ease;
}

.inline-preview-action:not(:disabled):hover {
  background: #171412;
  transform: translateX(1px);
}

.secondary-action {
  color: #fff;
  background: #a8a8a8;
}

.secondary-action.ready {
  background: #2d5f74;
}

.create-action {
  color: #fff;
  background: linear-gradient(135deg, #ff8fa0, #ff2d55);
}

.apple-card {
  margin-top: 18px;
  transition: border-color 160ms ease, background 160ms ease;
}

.apple-card.connected {
  border-color: rgba(30, 191, 99, 0.3);
  background: rgba(235, 250, 241, 0.92);
}

.apple-card.blocked {
  border-color: rgba(212, 60, 54, 0.28);
  background: rgba(255, 244, 242, 0.92);
}

.apple-card-head {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.apple-card p {
  margin: 4px 0 0;
  color: var(--muted);
  line-height: 1.35;
}

.soft-action {
  width: 100%;
  margin-top: 16px;
  color: var(--ink);
  background: #f0f0f3;
  border: 1px solid #dedee5;
}

.progress-card {
  margin-top: 18px;
}

.progress-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--ink);
  font-weight: 900;
}

.progress-track {
  height: 12px;
  margin: 14px 0 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #ebe6dc;
}

#progress-bar {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--spotify), var(--apple));
  transition: width 220ms ease;
}

#progress-detail,
.status-line {
  color: var(--muted);
  line-height: 1.35;
}

.status-line {
  margin: 18px 0 0;
  font-weight: 800;
}

.status-line.error {
  color: var(--missing);
}

.legal-links {
  display: flex;
  gap: 14px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.legal-links a,
.legal-document a,
.legal-back {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.result-panel {
  padding: 48px clamp(24px, 5vw, 72px);
}

.result-empty,
.screen,
.fallback-guide {
  max-width: 940px;
  border: 1px solid var(--line);
  border-radius: 36px;
  background: rgba(255, 253, 247, 0.86);
  box-shadow: var(--shadow);
}

.result-empty {
  min-height: 520px;
  display: grid;
  align-content: center;
  padding: clamp(32px, 7vw, 78px);
}

.result-empty h2,
.screen-title,
.success-title {
  font-family: var(--display);
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-style: italic;
  line-height: 0.94;
  letter-spacing: -0.055em;
}

.result-empty p,
.screen-copy {
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1.5;
}

.screen {
  padding: clamp(24px, 5vw, 42px);
}

.screen-head {
  display: grid;
  gap: 18px;
  margin-bottom: 26px;
}

.playlist-card,
.route-card,
.trust-note,
.metric-grid,
.receipt-card {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.68);
}

.playlist-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  align-items: center;
  padding: 22px;
}

.artwork,
.sleeve {
  display: block;
  flex: 0 0 auto;
  object-fit: cover;
  border-radius: 12px;
  background:
    radial-gradient(circle at 30% 80%, rgba(255, 45, 85, 0.92), transparent 34%),
    radial-gradient(circle at 82% 28%, rgba(23, 20, 18, 0.75), transparent 38%),
    linear-gradient(145deg, #1db954, #fff0ce 52%, #ff2d55);
  box-shadow: 0 12px 24px rgba(36, 28, 20, 0.16);
}

.artwork.small,
.sleeve.small {
  width: 54px;
  height: 54px;
}

.artwork.big,
.sleeve.big {
  width: clamp(92px, 18vw, 152px);
  height: clamp(92px, 18vw, 152px);
  border-radius: 22px;
}

.playlist-name {
  margin-top: 4px;
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-style: italic;
  font-weight: 900;
  letter-spacing: -0.055em;
}

.playlist-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.route-card,
.trust-note {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 18px;
  padding: 16px 18px;
}

.route-copy,
.trust-note {
  color: #25593b;
  font-weight: 900;
  line-height: 1.4;
}

.trust-note {
  border-color: rgba(30, 191, 99, 0.22);
  background: rgba(230, 249, 238, 0.78);
}

.trust-note.warn {
  color: #7a4a12;
  border-color: rgba(190, 106, 22, 0.25);
  background: rgba(255, 242, 218, 0.82);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 12px;
  margin: 24px 0;
}

.metric-grid.success-metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-card {
  min-height: 120px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 252, 246, 0.8);
}

.metric-value {
  margin-top: 8px;
  font-family: var(--display);
  font-size: 3rem;
  font-style: italic;
  font-weight: 900;
  letter-spacing: -0.06em;
}

.metric-card.ready .metric-value {
  color: var(--ready);
}

.metric-card.review .metric-value {
  color: var(--review);
}

.metric-card.missing .metric-value {
  color: var(--missing);
}

.group-section {
  margin-top: 28px;
}

.group-title {
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.group-section.ready .group-title {
  color: var(--ready);
}

.group-section.review .group-title {
  color: var(--review);
}

.group-section.missing .group-title {
  color: var(--missing);
}

.track-list {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(255, 253, 248, 0.88);
}

.track-row {
  display: grid;
  grid-template-columns: 40px auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.track-row:last-child {
  border-bottom: 0;
}

.track-index,
.track-duration,
.confidence {
  color: #908a86;
  font-family: var(--mono);
  font-weight: 900;
}

.track-title {
  color: var(--ink);
  font-weight: 950;
  line-height: 1.2;
}

.track-meta {
  margin-top: 4px;
  color: #88817b;
  line-height: 1.35;
}

.status-pill {
  display: inline-flex;
  width: fit-content;
  margin-top: 10px;
  padding: 7px 12px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-pill.matched {
  color: #245b37;
  background: #dff5e7;
}

.status-pill.needs_review {
  color: #9b5a13;
  background: #f7eadc;
}

.status-pill.unmatched {
  color: #9d2e29;
  background: #fae2df;
}

.candidate-card {
  margin-top: 14px;
  padding: 16px;
  border-left: 3px solid #bbb;
  border-radius: 0 18px 18px 0;
  background: #f0f0f3;
}

.candidate-card.ready {
  border-left-color: var(--ready);
}

.candidate-card.review {
  border-left-color: var(--review);
}

.candidate-card.missing {
  border-left-color: var(--missing);
}

.review-actions,
.candidate-options {
  margin-top: 12px;
}

.review-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.mini-action {
  min-height: 42px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: #f2f2f4;
}

.mini-action.approve,
.mini-action.use-candidate {
  color: #fff;
  background: var(--ready);
}

.mini-action.skip {
  color: var(--ink);
  background: #f0eef0;
}

.candidate-options summary {
  cursor: pointer;
  color: var(--muted);
  font-weight: 900;
}

.candidate-option {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  margin-top: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.62);
}

.success-hero {
  padding: clamp(28px, 6vw, 52px);
  border-radius: 32px;
  color: #fff;
  background:
    radial-gradient(circle at 18% 84%, rgba(30, 185, 84, 0.86), transparent 32%),
    radial-gradient(circle at 82% 20%, rgba(255, 45, 85, 0.76), transparent 34%),
    #111;
}

.success-badge {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  color: #101010;
  background: #fff;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.success-title {
  margin: 22px 0 12px;
}

.success-subtitle {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 900;
}

.receipt-card {
  margin-top: 22px;
  padding: 8px 22px;
}

.receipt-line {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.receipt-line:last-child {
  border-bottom: 0;
}

.button-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  margin-top: 18px;
  color: #fff;
  background: #111;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.button-row .button-link,
.button-row .soft-action {
  margin-top: 0;
}

.button-row .soft-action {
  width: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.fallback-guide {
  margin-top: 20px;
  padding: 24px;
}

.fallback-guide h3 {
  margin-bottom: 10px;
}

.fallback-guide li {
  margin: 8px 0;
  color: var(--muted);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 20;
  transform: translate(-50%, 140%);
  max-width: min(520px, calc(100vw - 32px));
  padding: 14px 18px;
  border-radius: 999px;
  color: #fff;
  background: #111;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
  font-weight: 900;
  transition: transform 180ms ease;
}

.toast.visible {
  transform: translate(-50%, 0);
}

.toast.error {
  background: var(--missing);
}

.toast.success {
  background: var(--ready);
}

.mono {
  font-family: var(--mono);
}

.legal-page {
  min-height: 100vh;
  padding: clamp(24px, 6vw, 72px);
}

.legal-back {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--muted);
  font-weight: 900;
}

.legal-document {
  max-width: 920px;
  padding: clamp(28px, 6vw, 72px);
  border: 1px solid var(--line);
  border-radius: 36px;
  background: rgba(255, 253, 247, 0.9);
  box-shadow: var(--shadow);
}

.legal-document h1 {
  margin-bottom: 14px;
  font-family: var(--display);
  font-size: clamp(2.8rem, 8vw, 5.8rem);
  font-style: italic;
  line-height: 0.9;
  letter-spacing: -0.055em;
}

.legal-document h2 {
  margin: 32px 0 10px;
  font-family: var(--mono);
  font-size: 0.92rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.legal-document p {
  color: #5f574f;
  font-size: 1.08rem;
  line-height: 1.55;
}

.legal-updated {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 800;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .control-panel {
    position: relative;
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .control-panel,
  .result-panel {
    padding: 22px 16px;
  }

  .playlist-card,
  .track-row {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .track-index {
    display: none;
  }

  .track-duration,
  .confidence {
    grid-column: 2;
  }

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

  .candidate-option {
    grid-template-columns: 1fr;
  }
}