:root {
  --ink: #0b0d10;
  --paper: #f3efe6;
  --gold: #c9a84c;
  --gold-deep: #a9872d;
  --red: #b73b2f;
  --white: #fffdf7;
  --muted: #756f64;
  --line: rgba(11, 13, 16, .14);
  --mono: "Space Mono", monospace;
  --display: "Syne", sans-serif;
  --body: "DM Sans", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
button, .drop-zone, canvas { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }

.chord-nav {
  height: 82px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 clamp(24px, 5vw, 76px);
  border-bottom: 1px solid var(--line);
  background: rgba(243, 239, 230, .92);
  backdrop-filter: blur(16px);
  position: relative;
  z-index: 10;
}
.brand {
  font: 800 18px/1 var(--display);
  letter-spacing: .15em;
  justify-self: start;
}
.brand span { color: var(--gold-deep); }
.nav-product {
  font: 700 10px/1 var(--mono);
  letter-spacing: .18em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-product > span { width: 24px; height: 1px; background: var(--red); }
.nav-product b {
  font-size: 8px;
  color: var(--white);
  background: var(--red);
  padding: 4px 6px;
  letter-spacing: .1em;
}
.nav-back {
  justify-self: end;
  font: 700 10px/1 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  border-bottom: 1px solid currentColor;
  padding-bottom: 5px;
}

.chord-hero {
  min-height: calc(100vh - 82px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, .78fr);
  gap: clamp(50px, 8vw, 140px);
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: clamp(70px, 9vw, 130px) clamp(24px, 7vw, 110px);
}
.chord-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, transparent 49.93%, rgba(11,13,16,.045) 50%, transparent 50.07%),
              linear-gradient(0deg, transparent 49.93%, rgba(11,13,16,.035) 50%, transparent 50.07%);
  background-size: 90px 90px;
  opacity: .8;
}
.hero-copy, .upload-shell { position: relative; z-index: 1; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--red);
  font: 700 10px/1 var(--mono);
  letter-spacing: .2em;
  text-transform: uppercase;
}
.eyebrow span { width: 32px; height: 1px; background: currentColor; }
.hero-copy h1 {
  font: 800 clamp(64px, 9.2vw, 142px)/.82 var(--display);
  letter-spacing: -.075em;
  margin: 30px 0 38px;
}
.hero-copy h1 em { color: var(--gold-deep); font-style: normal; }
.hero-lede {
  font-size: clamp(17px, 1.35vw, 21px);
  line-height: 1.65;
  max-width: 570px;
  color: #4d4a44;
}
.trust-row {
  margin-top: 38px;
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  color: var(--muted);
  font: 700 9px/1.3 var(--mono);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.trust-row i { color: var(--gold-deep); font-style: normal; margin-right: 5px; }
.hero-notation {
  position: absolute;
  left: 3.2vw;
  bottom: 2.5vw;
  font: 700 76px/1 var(--display);
  color: rgba(11,13,16,.035);
  transform: rotate(-90deg);
  transform-origin: left bottom;
}
.hero-notation span { font-size: 28px; }
.hero-beat {
  position: absolute;
  right: 2.4vw;
  top: 40%;
  writing-mode: vertical-rl;
  font: 700 8px/1 var(--mono);
  letter-spacing: .3em;
  color: rgba(11,13,16,.22);
}

.upload-shell {
  background: var(--ink);
  color: var(--white);
  padding: 22px;
  box-shadow: 22px 22px 0 var(--gold);
  max-width: 590px;
  justify-self: end;
  width: 100%;
}
.upload-number {
  position: absolute;
  right: 22px;
  top: 13px;
  color: rgba(255,255,255,.07);
  font: 800 74px/1 var(--display);
}
.upload-kicker {
  position: relative;
  z-index: 1;
  padding: 4px 2px 20px;
  color: var(--gold);
  font: 700 9px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: .18em;
}
.drop-zone {
  min-height: 400px;
  border: 1px dashed rgba(255,255,255,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  padding: 38px;
  cursor: pointer;
  transition: background .25s ease, border-color .25s ease, transform .25s ease;
}
.drop-zone:hover, .drop-zone:focus-visible, .drop-zone.dragging {
  outline: none;
  background: rgba(201,168,76,.07);
  border-color: var(--gold);
}
.drop-zone.dragging { transform: scale(.99); }
.upload-disc {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: repeating-radial-gradient(circle, #25282c 0 4px, #111317 5px 8px);
  display: grid;
  place-items: center;
  margin-bottom: 27px;
  box-shadow: 0 18px 35px rgba(0,0,0,.28);
  animation: float 4s ease-in-out infinite;
}
.upload-disc span {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gold);
  border: 8px solid #191b1f;
}
@keyframes float { 50% { transform: translateY(-7px) rotate(8deg); } }
.drop-zone h2 { font: 700 clamp(23px, 2vw, 30px)/1.1 var(--display); margin: 0 0 9px; }
.drop-zone p { color: #9c9b98; margin: 0 0 24px; font-size: 14px; }
.choose-button {
  border: 0;
  background: var(--gold);
  color: var(--ink);
  font: 700 10px/1 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 16px 20px;
  cursor: pointer;
  transition: background .2s, transform .2s;
}
.choose-button:hover { background: #dfbd60; transform: translateY(-2px); }
.choose-button span { font-size: 15px; margin-left: 14px; }
.drop-zone small { color: #6f7176; font: 400 8px/1 var(--mono); letter-spacing: .08em; margin-top: 22px; }
.privacy-note {
  padding: 22px 10px 3px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: #8f9093;
  font: 400 10px/1.5 var(--mono);
}
.privacy-note > span { color: var(--gold); font-size: 18px; }
.privacy-note p { margin: 0; }
.privacy-note strong { color: #c6c5c0; }

.analysis-panel { background: var(--ink); color: var(--white); padding: clamp(80px, 10vw, 150px) 7vw; }
.analysis-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: clamp(55px, 10vw, 150px);
  align-items: center;
}
.analysis-visual { height: 300px; position: relative; display: grid; place-items: center; overflow: hidden; }
.record {
  width: 220px; height: 220px; border-radius: 50%;
  background: repeating-radial-gradient(circle, #22252a 0 3px, #111317 4px 7px);
  display: grid; place-items: center;
  animation: spin 3s linear infinite;
}
.record div { width: 62px; height: 62px; border-radius: 50%; background: var(--gold); border: 20px solid #16181c; }
.scan-line { position: absolute; left: 0; right: 0; height: 1px; background: var(--red); box-shadow: 0 0 18px var(--red); animation: scan 2.2s ease-in-out infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes scan { 0%,100% { top: 12%; } 50% { top: 88%; } }
.analysis-copy h2 { font: 800 clamp(36px, 5vw, 66px)/1 var(--display); letter-spacing: -.045em; margin: 24px 0 14px; }
.analysis-copy > p { color: #8c8f94; margin: 0 0 38px; }
.progress-track { height: 4px; background: #292c31; overflow: hidden; }
.progress-track div { height: 100%; width: 0; background: var(--gold); transition: width .25s; }
.analysis-steps { display: flex; justify-content: space-between; margin-top: 16px; color: #5d6065; font: 700 8px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.analysis-steps span.active { color: var(--gold); }

.results { padding: clamp(70px, 9vw, 130px) clamp(20px, 6vw, 92px); max-width: 1600px; margin: auto; }
.result-heading { display: flex; align-items: end; justify-content: space-between; gap: 35px; margin-bottom: 46px; }
.result-heading h2 { font: 800 clamp(44px, 6vw, 82px)/.98 var(--display); letter-spacing: -.055em; margin: 22px 0 10px; max-width: 900px; overflow-wrap: anywhere; }
.result-heading p { color: var(--muted); font: 700 10px/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.result-actions { display: flex; gap: 10px; flex-shrink: 0; }
.ghost-button, .gold-button {
  min-height: 48px; padding: 0 18px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  font: 700 9px/1 var(--mono); text-transform: uppercase; letter-spacing: .1em;
}
.ghost-button { border: 1px solid var(--line); background: transparent; color: var(--ink); }
.gold-button { border: 1px solid var(--gold); background: var(--gold); color: var(--ink); }
.ghost-button:disabled, .gold-button:disabled { cursor: wait; opacity: .55; }
.lyrics-entry {
  margin: -18px 0 38px;
  padding: 28px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.28);
}
.lyrics-entry-copy, .lyrics-entry-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.lyrics-entry-copy { margin-bottom: 19px; }
.lyrics-entry-copy > div { display: flex; align-items: baseline; gap: 15px; }
.lyrics-entry-copy h3 { margin: 0; font: 800 24px/1 var(--display); }
.lyrics-entry-copy > button {
  border: 0;
  background: none;
  color: var(--muted);
  cursor: pointer;
  font: 400 26px/1 var(--body);
}
.lyrics-entry textarea {
  display: block;
  width: 100%;
  resize: vertical;
  min-height: 170px;
  padding: 18px;
  border: 1px solid var(--line);
  outline: 0;
  background: var(--white);
  color: var(--ink);
  font: 500 15px/1.8 var(--body);
}
.lyrics-entry textarea:focus { border-color: var(--gold-deep); }
.lyrics-entry textarea::placeholder { color: #a19c92; }
.lyrics-entry-actions { margin-top: 14px; }
.lyrics-entry-actions p { margin: 0; color: var(--muted); font: 400 9px/1.5 var(--mono); }
.lyrics-entry-actions > div { display: flex; gap: 8px; flex-shrink: 0; }

.player-card { background: var(--ink); color: var(--white); }
.player-top {
  min-height: 130px;
  display: grid;
  grid-template-columns: auto 1fr 1fr auto;
  align-items: center;
  gap: 30px;
  padding: 25px 34px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.play-button {
  width: 64px; height: 64px; border-radius: 50%; border: 0;
  background: var(--gold); cursor: pointer; display: grid; place-items: center;
}
.play-button span { width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 13px solid var(--ink); margin-left: 4px; }
.play-button.playing span { width: 13px; height: 16px; border: 0; border-left: 4px solid var(--ink); border-right: 4px solid var(--ink); margin: 0; }
.current-chord, .next-chord { border-left: 1px solid rgba(255,255,255,.11); padding-left: 28px; }
.current-chord span, .next-chord span { display: block; color: #70747b; font: 700 8px/1 var(--mono); text-transform: uppercase; letter-spacing: .15em; margin-bottom: 8px; }
.current-chord strong { color: var(--gold); font: 800 40px/1 var(--display); }
.next-chord strong { color: #8d9096; font: 700 24px/1 var(--display); }
.time-readout { font: 700 9px/1 var(--mono); color: #777b81; display: flex; gap: 8px; }
.time-readout span:first-child { color: var(--white); }
.time-readout i { font-style: normal; }
.lyrics-live {
  padding: 25px 34px 27px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: #101216;
}
.lyrics-live > span {
  display: block;
  color: var(--gold);
  font: 700 8px/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 11px;
}
.lyrics-live p {
  margin: 0;
  color: var(--white);
  font: 600 clamp(20px, 2.4vw, 31px)/1.25 var(--display);
  letter-spacing: -.02em;
}
.lyrics-live small {
  display: block;
  min-height: 14px;
  margin-top: 9px;
  color: #666a70;
  font: 500 12px/1.4 var(--body);
}
.piano-coach {
  display: grid;
  grid-template-columns: minmax(230px, .55fr) minmax(420px, 1.45fr);
  gap: clamp(30px, 5vw, 80px);
  align-items: center;
  padding: 32px 34px 36px;
  background: #15181c;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.piano-label {
  color: var(--gold);
  font: 700 8px/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
}
.piano-label span { font-size: 7px; margin-right: 7px; }
.piano-instruction h3 {
  font: 800 clamp(25px, 3vw, 39px)/1 var(--display);
  letter-spacing: -.035em;
  margin: 14px 0 19px;
}
.keys-to-play {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.keys-to-play span {
  color: #71757b;
  font: 700 7px/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.keys-to-play strong { color: var(--gold); font: 700 18px/1 var(--display); }
.piano-keyboard {
  position: relative;
  height: 154px;
  display: flex;
  overflow: hidden;
  border: 5px solid #080a0d;
  border-top-width: 8px;
  background: #080a0d;
}
.white-key {
  position: relative;
  z-index: 1;
  flex: 1;
  background: #f5f1e8;
  border-right: 2px solid #17191d;
  border-radius: 0 0 4px 4px;
  transition: background .12s, box-shadow .12s, transform .12s;
}
.white-key:last-of-type { border-right: 0; }
.white-key span {
  position: absolute;
  left: 50%;
  bottom: 9px;
  transform: translateX(-50%);
  color: #74716a;
  font: 700 9px/1 var(--mono);
}
.black-key {
  position: absolute;
  z-index: 2;
  top: 0;
  width: 8.4%;
  height: 61%;
  transform: translateX(-50%);
  background: #0b0d10;
  border: 1px solid #30343a;
  border-radius: 0 0 4px 4px;
  box-shadow: 0 8px 8px rgba(0,0,0,.42);
  transition: background .12s, box-shadow .12s, transform .12s;
}
.black-key span {
  position: absolute;
  left: 50%;
  bottom: 8px;
  transform: translateX(-50%);
  color: #696d73;
  font: 700 7px/1 var(--mono);
}
.black-cs { left: 14.285%; }
.black-eb { left: 28.57%; }
.black-fs { left: 57.14%; }
.black-ab { left: 71.425%; }
.black-bb { left: 85.71%; }
.white-key.active {
  background: var(--gold);
  box-shadow: inset 0 -10px 0 rgba(183,59,47,.23), 0 0 22px rgba(201,168,76,.28);
  transform: translateY(3px);
}
.white-key.active span { color: var(--ink); }
.black-key.active {
  background: var(--red);
  border-color: #d25c50;
  box-shadow: 0 7px 8px rgba(0,0,0,.45), 0 0 20px rgba(183,59,47,.45);
  transform: translateX(-50%) translateY(3px);
}
.black-key.active span { color: var(--white); }
.waveform { width: 100%; height: 112px; display: block; cursor: crosshair; }
.player-controls {
  min-height: 62px; border-top: 1px solid rgba(255,255,255,.08);
  display: flex; justify-content: flex-end; align-items: center; gap: 28px;
  padding: 12px 30px; color: #8a8d92; font: 700 8px/1 var(--mono);
  text-transform: uppercase; letter-spacing: .1em;
}
.player-controls label, .transpose-control { display: flex; align-items: center; gap: 10px; }
.player-controls select { background: #1a1d21; border: 1px solid rgba(255,255,255,.12); color: var(--white); padding: 8px; font: 700 10px/1 var(--mono); }
.transpose-control button, .transpose-control output {
  width: 30px; height: 30px; display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.12); color: var(--white); background: #1a1d21;
}
.transpose-control button { cursor: pointer; }
.transpose-control output { border-left: 0; border-right: 0; color: var(--gold); }
.plain-control { border: 0; background: none; color: inherit; text-transform: inherit; font: inherit; letter-spacing: inherit; cursor: pointer; }
.pulse-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #55585d; margin-right: 7px; }
.plain-control[aria-pressed="true"] { color: var(--gold); }
.plain-control[aria-pressed="true"] .pulse-dot { background: var(--gold); animation: beat .5s ease infinite; }
@keyframes beat { 50% { transform: scale(1.8); opacity: .5; } }

.timeline-wrap { padding: 70px 0; border-bottom: 1px solid var(--line); }
.timeline-header, .sheet-header { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 30px; }
.timeline-header > div, .sheet-header > div { display: flex; align-items: baseline; gap: 16px; }
.section-index { color: var(--red); font: 700 9px/1 var(--mono); }
.timeline-header h3, .sheet-header h3 { font: 800 28px/1 var(--display); margin: 0; }
.timeline-header p, .sheet-header > span { color: var(--muted); font: 400 9px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.chord-timeline { display: flex; gap: 8px; overflow-x: auto; scroll-snap-type: x proximity; padding: 5px 2px 18px; scrollbar-width: thin; }
.chord-chip {
  flex: 0 0 132px; height: 124px; border: 1px solid var(--line); background: rgba(255,255,255,.24);
  padding: 18px; display: flex; flex-direction: column; justify-content: space-between; scroll-snap-align: center;
  transition: .2s; cursor: pointer; text-align: left;
}
.chord-chip:hover { border-color: var(--gold-deep); }
.chord-chip.active { background: var(--gold); border-color: var(--gold); transform: translateY(-5px); }
.chord-chip strong { font: 800 30px/1 var(--display); }
.chord-chip span { color: var(--muted); font: 700 8px/1 var(--mono); }
.chord-chip .chip-notes { color: var(--ink); font-size: 9px; letter-spacing: .04em; }
.chord-chip.active span { color: rgba(11,13,16,.6); }

.lyrics-sheet-wrap { padding: 70px 0; border-bottom: 1px solid var(--line); }
.lyrics-sheet { border-top: 1px solid var(--line); }
.lyric-row {
  width: 100%;
  display: grid;
  grid-template-columns: 74px 86px 1fr;
  gap: 20px;
  align-items: baseline;
  padding: 20px 14px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  transition: background .18s, padding .18s;
}
.lyric-row:hover { background: rgba(201,168,76,.08); }
.lyric-row.active { background: rgba(201,168,76,.18); padding-left: 20px; }
.lyric-row time { color: var(--muted); font: 700 8px/1 var(--mono); }
.lyric-row strong { color: var(--red); font: 800 18px/1 var(--display); }
.lyric-row span { font: 500 clamp(16px, 1.5vw, 20px)/1.45 var(--body); }

.sheet-grid { padding-top: 75px; }
.song-section { display: grid; grid-template-columns: 130px 1fr; border-top: 1px solid var(--line); padding: 28px 0; }
.song-section-label span { display: block; font: 700 8px/1 var(--mono); color: var(--muted); margin-bottom: 10px; }
.song-section-label strong { font: 700 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.section-chords { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.section-chord { min-width: 68px; }
.section-chord strong { display: block; font: 800 24px/1 var(--display); }
.section-chord span { color: var(--muted); font: 400 8px/1 var(--mono); }
.section-chord .map-notes { color: var(--red); font-weight: 700; margin: 5px 0 4px; }

.song-library {
  padding: clamp(80px, 10vw, 145px) clamp(24px, 7vw, 110px);
  border-top: 1px solid var(--line);
}
.library-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 40px;
  margin-bottom: 46px;
}
.library-heading h2 {
  margin: 24px 0 0;
  font: 800 clamp(48px, 7vw, 96px)/.9 var(--display);
  letter-spacing: -.06em;
}
.library-heading > p {
  max-width: 390px;
  margin: 0;
  color: var(--muted);
  font: 500 14px/1.65 var(--body);
}
.library-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.library-card {
  min-height: 250px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.25);
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  text-align: left;
}
.library-card-top {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font: 700 8px/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.library-visibility { color: var(--red); }
.library-card h3 {
  margin: 34px 0 10px;
  font: 800 clamp(26px, 2.4vw, 39px)/1 var(--display);
  letter-spacing: -.04em;
  overflow-wrap: anywhere;
}
.library-meta {
  color: var(--muted);
  font: 700 8px/1.6 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.library-card-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: auto; }
.library-card-actions .ghost-button, .library-card-actions .gold-button { width: 100%; padding: 0 10px; }

.how-it-works {
  background: var(--ink); color: var(--white);
  display: grid; grid-template-columns: .75fr 1.25fr; gap: 9vw;
  padding: clamp(80px, 10vw, 150px) clamp(24px, 7vw, 110px);
}
.how-it-works h2 { font: 800 clamp(48px, 6vw, 84px)/.9 var(--display); letter-spacing: -.055em; margin: 28px 0 0; }
.how-it-works ol { list-style: none; padding: 0; margin: 0; }
.how-it-works li { display: grid; grid-template-columns: 45px 1fr; gap: 20px; border-top: 1px solid rgba(255,255,255,.12); padding: 28px 0; }
.how-it-works li > b { color: var(--gold); font: 700 9px/1 var(--mono); }
.how-it-works h3 { font: 700 20px/1 var(--display); margin: 0 0 8px; }
.how-it-works li p { color: #85888e; max-width: 550px; margin: 0; line-height: 1.6; }

footer {
  min-height: 120px; padding: 35px clamp(24px, 7vw, 110px); display: flex;
  justify-content: space-between; align-items: center; gap: 30px; background: var(--ink);
  color: var(--white); border-top: 1px solid rgba(255,255,255,.09);
}
footer p { color: #72757a; font: 400 9px/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; }
footer > div { display: flex; gap: 22px; color: #8d9095; font: 700 9px/1 var(--mono); text-transform: uppercase; }
footer button {
  border: 0;
  padding: 0;
  background: none;
  color: inherit;
  cursor: pointer;
  font: inherit;
  text-transform: inherit;
}
.fyn-dialog {
  width: min(92vw, 520px);
  max-height: 90vh;
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--ink);
}
.fyn-dialog::backdrop { background: rgba(6,8,10,.78); backdrop-filter: blur(6px); }
.dialog-card {
  position: relative;
  padding: 38px;
  background: var(--paper);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 18px 18px 0 var(--gold);
}
.dialog-card h2 {
  margin: 22px 0 13px;
  font: 800 clamp(34px, 6vw, 52px)/.95 var(--display);
  letter-spacing: -.05em;
}
.dialog-card > p {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}
.dialog-card > label:not(.publish-check) {
  display: grid;
  gap: 9px;
  margin-bottom: 18px;
  color: var(--muted);
  font: 700 8px/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.dialog-card input[type="password"], .dialog-card input[type="text"] {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  padding: 15px;
  outline: 0;
  font: 500 15px/1 var(--body);
}
.dialog-card input:focus { border-color: var(--gold-deep); }
.dialog-card > .gold-button { width: 100%; }
.dialog-card > small[role="alert"] {
  display: block;
  min-height: 14px;
  margin-top: 12px;
  color: var(--red);
  font: 700 9px/1.4 var(--mono);
}
.dialog-close {
  position: absolute;
  top: 16px;
  right: 18px;
  border: 0;
  background: none;
  color: var(--muted);
  cursor: pointer;
  font: 400 28px/1 var(--body);
}
.publish-check {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 12px;
  margin: 5px 0 24px;
  cursor: pointer;
}
.publish-check input { margin-top: 3px; accent-color: var(--gold-deep); }
.publish-check strong { display: block; font: 700 14px/1.2 var(--body); }
.publish-check small { display: block; margin-top: 5px; color: var(--muted); font: 400 11px/1.45 var(--body); }
.toast {
  position: fixed; left: 50%; bottom: 30px; z-index: 100; transform: translate(-50%, 25px);
  background: var(--red); color: var(--white); padding: 13px 18px; font: 700 10px/1.4 var(--mono);
  opacity: 0; pointer-events: none; transition: .25s; box-shadow: 0 12px 30px rgba(0,0,0,.2);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 900px) {
  .chord-nav { grid-template-columns: 1fr auto; }
  .nav-product { display: none; }
  .chord-hero { grid-template-columns: 1fr; min-height: auto; }
  .upload-shell { justify-self: start; max-width: 650px; }
  .analysis-inner, .how-it-works { grid-template-columns: 1fr; }
  .analysis-visual { display: none; }
  .player-top { grid-template-columns: auto 1fr 1fr; }
  .time-readout { grid-column: 2 / -1; }
  .piano-coach { grid-template-columns: 1fr; }
  .player-controls { justify-content: flex-start; flex-wrap: wrap; }
  .library-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .chord-nav { height: 68px; padding: 0 18px; }
  .brand { font-size: 14px; }
  .nav-back { font-size: 8px; }
  .chord-hero { padding: 65px 20px 85px; gap: 55px; }
  .hero-copy h1 { font-size: 65px; }
  .hero-lede { font-size: 16px; }
  .trust-row { display: grid; gap: 11px; margin-top: 28px; }
  .upload-shell { padding: 12px; box-shadow: 10px 10px 0 var(--gold); }
  .drop-zone { min-height: 350px; padding: 24px 15px; }
  .upload-number { font-size: 50px; }
  .privacy-note { padding: 18px 7px 6px; }
  .analysis-panel { padding: 75px 24px; }
  .results { padding: 70px 18px; }
  .result-heading { align-items: flex-start; flex-direction: column; }
  .result-actions { width: 100%; flex-wrap: wrap; }
  .result-actions button { flex: 1; }
  .lyrics-entry { padding: 22px 18px; }
  .lyrics-entry-actions { align-items: flex-start; flex-direction: column; }
  .lyrics-entry-actions > div { width: 100%; }
  .lyrics-entry-actions button { flex: 1; }
  .player-top { grid-template-columns: auto 1fr; gap: 18px; padding: 22px 18px; }
  .current-chord { padding-left: 18px; }
  .next-chord { grid-column: 2; padding-left: 18px; }
  .time-readout { grid-column: 2; }
  .lyrics-live { padding: 23px 18px 25px; }
  .piano-coach { padding: 27px 18px 30px; gap: 28px; }
  .piano-keyboard { height: 124px; }
  .black-key { width: 10%; }
  .player-controls { gap: 17px; padding: 15px 18px; }
  .plain-control { width: 100%; text-align: left; }
  .timeline-header, .sheet-header { align-items: flex-start; flex-direction: column; }
  .timeline-header p, .sheet-header > span { line-height: 1.5; }
  .lyric-row { grid-template-columns: 52px 55px 1fr; gap: 10px; padding: 17px 5px; }
  .lyric-row.active { padding-left: 9px; }
  .song-section { grid-template-columns: 1fr; gap: 22px; }
  .section-chords { gap: 18px; }
  .library-heading { align-items: flex-start; flex-direction: column; }
  .library-grid { grid-template-columns: 1fr; }
  .library-card-actions { grid-template-columns: 1fr; }
  .dialog-card { padding: 32px 24px 26px; box-shadow: 10px 10px 0 var(--gold); }
  footer { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}