:root {
  color-scheme: light;
  --ink: #17221f;
  --ink-soft: #52605b;
  --muted: #77837f;
  --paper: #f3f8f4;
  --paper-deep: #e8f1ec;
  --glass: rgba(255, 255, 255, 0.63);
  --glass-strong: rgba(255, 255, 255, 0.82);
  --line: rgba(31, 54, 47, 0.14);
  --line-strong: rgba(23, 34, 31, 0.34);
  --mint: #11ba87;
  --mint-deep: #078761;
  --mint-soft: #c9f5e5;
  --coral: #ff735f;
  --coral-soft: #ffe2da;
  --blue: #5b7cf5;
  --shadow: 0 24px 80px rgba(37, 75, 62, 0.12), 0 3px 12px rgba(35, 62, 53, 0.06);
  --radius: 26px 31px 25px 29px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --hand: "Bradley Hand", "Segoe Print", "KaiTi", cursive;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --ink: #edf8f2;
  --ink-soft: #b6c7c0;
  --muted: #82948d;
  --paper: #0d1714;
  --paper-deep: #13221d;
  --glass: rgba(24, 42, 35, 0.69);
  --glass-strong: rgba(25, 43, 37, 0.9);
  --line: rgba(217, 247, 235, 0.13);
  --line-strong: rgba(226, 250, 240, 0.28);
  --mint: #23d69d;
  --mint-deep: #66e9bd;
  --mint-soft: rgba(29, 173, 124, 0.18);
  --coral: #ff8877;
  --coral-soft: rgba(255, 115, 95, 0.16);
  --blue: #8ca3ff;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.32), 0 2px 12px rgba(0, 0, 0, 0.2);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    linear-gradient(115deg, rgba(245, 231, 188, 0.25), transparent 32%),
    linear-gradient(290deg, rgba(129, 221, 210, 0.18), transparent 38%),
    var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

button,
summary,
select,
input[type="range"] {
  cursor: pointer;
}

button {
  border: 0;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
summary:focus-visible,
a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--mint) 55%, transparent);
  outline-offset: 3px;
}

button:disabled {
  cursor: not-allowed;
  filter: grayscale(0.4);
  opacity: 0.55;
}

svg {
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  transform: translateY(-150%);
  border-radius: 12px;
  padding: 10px 16px;
  color: white;
  background: var(--ink);
  font-weight: 800;
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.paper-noise {
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  opacity: 0.17;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.74' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.16'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

html[data-theme="dark"] .paper-noise {
  opacity: 0.08;
  mix-blend-mode: screen;
}

.ambient {
  position: fixed;
  z-index: -2;
  width: 32rem;
  height: 32rem;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(20px);
  opacity: 0.55;
}

.ambient-one {
  top: -17rem;
  left: 24%;
  background: radial-gradient(circle, rgba(85, 225, 173, 0.38), transparent 69%);
}

.ambient-two {
  right: -13rem;
  bottom: -14rem;
  background: radial-gradient(circle, rgba(116, 138, 255, 0.23), transparent 68%);
}

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto minmax(240px, 1fr);
  align-items: center;
  min-height: 82px;
  padding: 12px clamp(18px, 3.2vw, 56px);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 74%, transparent);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 13px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  grid-template-columns: repeat(3, 6px);
  gap: 4px;
  place-content: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line-strong);
  border-radius: 13px 15px 12px 16px;
  background: var(--glass-strong);
  box-shadow: 0 4px 14px rgba(31, 105, 81, 0.12), inset 0 0 0 4px color-mix(in srgb, var(--glass-strong) 66%, transparent);
  transform: rotate(-1.5deg);
}

.brand-mark i {
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: color-mix(in srgb, var(--ink-soft) 32%, transparent);
}

.brand-mark i:nth-child(2),
.brand-mark i:nth-child(4),
.brand-mark i:nth-child(9) {
  background: var(--mint);
}

.brand-mark i:nth-child(6) {
  background: var(--coral);
}

.brand-copy {
  display: grid;
  gap: 1px;
}

.brand-copy strong {
  font-size: 1.07rem;
  font-weight: 900;
  letter-spacing: 0.055em;
}

.brand-copy small {
  color: var(--mint-deep);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.engine-pill {
  display: flex;
  align-items: center;
  justify-self: center;
  gap: 10px;
  min-height: 51px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 18px 20px 17px 21px;
  background: var(--glass);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.45);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d4a237;
  box-shadow: 0 0 0 5px rgba(212, 162, 55, 0.12);
}

.engine-pill.is-online .status-dot {
  background: var(--mint);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--mint) 15%, transparent);
}

.engine-pill.is-offline .status-dot {
  background: var(--coral);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--coral) 15%, transparent);
}

.engine-pill > span:nth-child(2) {
  display: grid;
  min-width: 84px;
  line-height: 1.05;
}

.engine-pill small {
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.engine-pill strong {
  margin-top: 5px;
  font-family: var(--mono);
  font-size: 0.78rem;
}

.queue-mini {
  display: flex;
  align-items: baseline;
  gap: 4px;
  padding-left: 11px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.69rem;
}

.queue-mini b {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.79rem;
}

.queue-mini i {
  width: 1px;
  height: 12px;
  margin: 0 4px;
  background: var(--line);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 8px;
}

.quiet-button,
.icon-button,
.text-button,
.copy-button,
.cancel-button {
  color: var(--ink);
  background: transparent;
}

.quiet-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 43px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 13px 15px 12px 14px;
  background: var(--glass);
  font-size: 0.77rem;
  font-weight: 850;
  letter-spacing: 0.045em;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.quiet-button:hover {
  border-color: var(--line-strong);
  background: var(--glass-strong);
  transform: translateY(-1px);
}

.quiet-button svg {
  width: 19px;
  height: 19px;
}

.language-button {
  gap: 4px;
  letter-spacing: 0;
}

.language-button .is-current {
  color: var(--mint-deep);
}

.icon-button {
  display: grid;
  width: 43px;
  height: 43px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--glass);
  transition: transform 160ms ease, border-color 160ms ease;
}

.icon-button:hover {
  border-color: var(--line-strong);
  transform: rotate(-4deg);
}

.icon-button svg {
  width: 19px;
  height: 19px;
}

main {
  width: min(1480px, calc(100% - clamp(28px, 5vw, 80px)));
  margin: 0 auto;
  padding: clamp(34px, 4.2vw, 64px) 0 56px;
}

.intro-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin: 0 auto clamp(24px, 3vw, 38px);
}

.eyebrow,
.kicker {
  margin: 0;
  color: var(--mint-deep);
  font-family: var(--mono);
  font-size: 0.73rem;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.eyebrow span:first-child {
  color: var(--coral);
}

h1 {
  max-width: 850px;
  margin: 8px 0 0;
  font-size: clamp(2.05rem, 4vw, 4.35rem);
  font-weight: 820;
  letter-spacing: -0.052em;
  line-height: 0.99;
}

.intro-copy {
  max-width: 410px;
  margin: 0 0 2px;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.55;
}

.intro-aside {
  display: grid;
  justify-items: start;
  gap: 9px;
  max-width: 410px;
}

.powered-badge,
.ai-disclosure {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border: 1px solid color-mix(in srgb, var(--mint) 38%, var(--line));
  border-radius: 30px;
  color: var(--mint-deep);
  background: var(--mint-soft);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 850;
  letter-spacing: 0.045em;
}

.powered-badge::before {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
  content: "";
}

.studio-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, 0.92fr);
  align-items: start;
  gap: clamp(18px, 2.5vw, 34px);
}

.glass-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px) saturate(135%);
  -webkit-backdrop-filter: blur(20px) saturate(135%);
}

.glass-card::after {
  position: absolute;
  z-index: -1;
  inset: 5px -4px -4px 4px;
  border: 1px dashed color-mix(in srgb, var(--line-strong) 58%, transparent);
  border-radius: 30px 23px 32px 25px;
  content: "";
  pointer-events: none;
  transform: rotate(0.12deg);
}

.compose-card {
  padding: clamp(22px, 3vw, 40px);
}

.card-heading {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 25px;
}

.card-heading.compact {
  margin-bottom: 22px;
}

.card-heading h2,
.history-heading h2 {
  margin: 2px 0 0;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  letter-spacing: -0.025em;
}

.sketch-number {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--mint) 48%, var(--line));
  border-radius: 11px 14px 10px 15px;
  color: var(--mint-deep);
  background: var(--mint-soft);
  font-family: var(--hand);
  font-size: 1.08rem;
  font-weight: 900;
  transform: rotate(-2deg);
}

.sketch-number.coral {
  border-color: color-mix(in srgb, var(--coral) 48%, var(--line));
  color: var(--coral);
  background: var(--coral-soft);
  transform: rotate(2deg);
}

.draft-note {
  margin-left: auto;
  color: var(--muted);
  font-family: var(--hand);
  font-size: 0.82rem;
  transform: rotate(-2deg);
}

.draft-note::before {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin: 0 5px 1px 0;
  border-radius: 50%;
  background: var(--mint);
  content: "";
}

.mode-switch {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  min-width: 0;
  margin: 0 0 20px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 17px 20px 16px 19px;
  background: color-mix(in srgb, var(--paper-deep) 56%, transparent);
}

.mode-option {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  min-height: 58px;
  padding: 8px 13px;
  border: 1px solid transparent;
  border-radius: 13px 15px 12px 14px;
  color: var(--ink-soft);
  background: transparent;
  text-align: left;
  transition: color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.mode-option svg {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
}

.mode-option span {
  display: grid;
  min-width: 0;
}

.mode-option strong {
  color: inherit;
  font-size: 0.9rem;
}

.mode-option small {
  color: var(--muted);
  font-size: 0.72rem;
}

.mode-option.is-active {
  color: var(--mint-deep);
  background: var(--glass-strong);
  border-color: var(--line);
  box-shadow: 0 5px 16px rgba(25, 80, 62, 0.08);
}

.field {
  display: grid;
  gap: 8px;
}

.field-label,
.lyrics-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.field-label b,
.lyrics-header b,
.preset-field legend {
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.field-label small,
.lyrics-header small,
.field-help {
  color: var(--muted);
  font-size: 0.73rem;
}

textarea,
input[type="email"],
input[type="password"],
input[type="number"],
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 15px 18px 14px 17px;
  color: var(--ink);
  background: color-mix(in srgb, var(--glass-strong) 84%, transparent);
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

textarea:focus,
input:focus,
select:focus {
  border-color: color-mix(in srgb, var(--mint) 60%, var(--line));
  background: var(--glass-strong);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--mint) 10%, transparent);
}

textarea {
  display: block;
  min-height: 112px;
  resize: vertical;
  padding: 16px 17px;
  outline: 0;
  font-size: 0.98rem;
  line-height: 1.58;
}

.prompt-field textarea {
  min-height: 148px;
}

textarea::placeholder,
input::placeholder {
  color: color-mix(in srgb, var(--muted) 72%, transparent);
}

.prompt-starters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  margin: 10px 0 23px;
}

.prompt-starters > span {
  margin-right: 2px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.prompt-starters button {
  min-height: 30px;
  padding: 4px 10px;
  border: 1px dashed var(--line-strong);
  border-radius: 50px;
  color: var(--ink-soft);
  background: transparent;
  font-size: 0.72rem;
  transition: color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.prompt-starters button:hover {
  border-color: var(--mint);
  color: var(--mint-deep);
  transform: rotate(-1deg);
}

.lyrics-wrap {
  display: grid;
  gap: 8px;
  max-height: 440px;
  margin-bottom: 20px;
  opacity: 1;
  overflow: hidden;
  transition: max-height 240ms ease, opacity 180ms ease, margin 240ms ease;
}

.lyrics-wrap.is-hidden {
  max-height: 0;
  margin-bottom: 0;
  opacity: 0;
}

.lyrics-header label {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 5px 11px;
}

.text-button {
  padding: 4px 0;
  color: var(--mint-deep);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.text-button:hover {
  text-decoration: underline;
  text-decoration-style: wavy;
  text-underline-offset: 4px;
}

.settings-drawer {
  margin-top: 4px;
  border-top: 1px dashed var(--line-strong);
  border-bottom: 1px dashed var(--line-strong);
}

.settings-drawer summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  gap: 12px;
  list-style: none;
}

.settings-drawer summary::-webkit-details-marker {
  display: none;
}

.settings-drawer summary > span {
  display: flex;
  align-items: center;
  gap: 9px;
}

.settings-drawer summary svg {
  width: 19px;
  height: 19px;
  color: var(--mint-deep);
}

.settings-drawer summary b {
  font-size: 0.84rem;
}

.settings-drawer summary small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.settings-drawer summary::after {
  margin-left: 5px;
  color: var(--muted);
  content: "+";
  font-family: var(--mono);
  font-size: 1.1rem;
}

.settings-drawer[open] summary::after {
  content: "−";
}

.settings-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 18px;
  padding: 6px 0 22px;
}

.range-control,
.preset-field {
  grid-column: 1 / -1;
}

input[type="range"] {
  width: 100%;
  height: 20px;
  margin: 0;
  appearance: none;
  background: transparent;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 5px;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--mint) var(--range, 7%), color-mix(in srgb, var(--line-strong) 48%, transparent) var(--range, 7%));
}

input[type="range"]::-moz-range-track {
  height: 5px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--line-strong) 48%, transparent);
}

input[type="range"]::-moz-range-progress {
  height: 5px;
  border-radius: 10px;
  background: var(--mint);
}

input[type="range"]::-webkit-slider-thumb {
  width: 18px;
  height: 18px;
  margin-top: -6.5px;
  appearance: none;
  border: 3px solid var(--glass-strong);
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 1px var(--mint-deep), 0 3px 9px rgba(0, 0, 0, 0.12);
}

input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: 3px solid var(--glass-strong);
  border-radius: 50%;
  background: var(--mint);
}

.range-ends {
  display: flex;
  justify-content: space-between;
  margin-top: -6px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.67rem;
}

.range-control output {
  padding: 2px 7px;
  border-radius: 7px;
  color: var(--mint-deep);
  background: var(--mint-soft);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 800;
}

.preset-field {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.preset-field legend {
  margin-bottom: 8px;
}

.segmented-control {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 14px 16px 13px 15px;
  background: color-mix(in srgb, var(--paper-deep) 62%, transparent);
}

.segmented-control label {
  position: relative;
}

.segmented-control input {
  position: absolute;
  opacity: 0;
}

.segmented-control span {
  display: grid;
  min-height: 38px;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 10px 12px 9px 11px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
}

.segmented-control input:checked + span {
  border-color: var(--line);
  color: var(--mint-deep);
  background: var(--glass-strong);
  box-shadow: 0 3px 10px rgba(32, 81, 64, 0.07);
}

.segmented-control input:focus-visible + span {
  outline: 3px solid color-mix(in srgb, var(--mint) 45%, transparent);
  outline-offset: 2px;
}

input[type="number"],
select,
input[type="email"],
input[type="password"] {
  min-height: 45px;
  padding: 8px 12px;
  outline: 0;
}

select {
  appearance: none;
  padding-right: 34px;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 17px) 20px, calc(100% - 12px) 20px;
  background-repeat: no-repeat;
  background-size: 5px 5px, 5px 5px;
}

.input-with-button {
  display: grid;
  grid-template-columns: 1fr 44px;
  gap: 7px;
}

.input-with-button button {
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 12px 14px 11px 13px;
  color: var(--ink-soft);
  background: var(--glass-strong);
}

.input-with-button svg {
  width: 18px;
  height: 18px;
}

.submit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 22px;
}

.submit-row > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.7rem;
  white-space: nowrap;
}

kbd {
  min-width: 22px;
  padding: 3px 5px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  color: var(--ink-soft);
  background: var(--glass-strong);
  font-family: var(--mono);
}

.generate-button {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  min-width: min(100%, 315px);
  min-height: 64px;
  padding: 10px 15px;
  border: 1px solid color-mix(in srgb, var(--mint-deep) 60%, transparent);
  border-radius: 18px 21px 17px 22px;
  color: #fff;
  background: linear-gradient(135deg, #0aae7b, #15c896 62%, #5bd7b2);
  box-shadow: 0 13px 28px rgba(10, 160, 113, 0.24), inset 0 1px rgba(255, 255, 255, 0.28);
  text-align: left;
  transition: transform 170ms ease, box-shadow 170ms ease;
}

.generate-button:hover:not(:disabled) {
  transform: translateY(-2px) rotate(-0.25deg);
  box-shadow: 0 16px 34px rgba(10, 160, 113, 0.3), inset 0 1px rgba(255, 255, 255, 0.28);
}

.generate-button:active:not(:disabled) {
  transform: translateY(0);
}

.generate-button > span:nth-child(2) {
  display: grid;
}

.generate-button strong {
  font-size: 0.94rem;
  font-weight: 900;
}

.generate-button small {
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.66rem;
}

.generate-button svg {
  width: 20px;
  height: 20px;
}

.button-spark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.17);
}

.listen-column {
  display: grid;
  gap: clamp(18px, 2.5vw, 30px);
  min-width: 0;
}

.now-card,
.history-card {
  padding: clamp(20px, 2.6vw, 34px);
}

.take-status {
  margin-left: auto;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 30px;
  color: var(--muted);
  background: var(--glass-strong);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.take-status[data-state="ready"] {
  border-color: color-mix(in srgb, var(--mint) 42%, var(--line));
  color: var(--mint-deep);
  background: var(--mint-soft);
}

.take-status[data-state="working"] {
  border-color: color-mix(in srgb, #d8a732 50%, var(--line));
  color: #9c6a00;
  background: rgba(255, 218, 125, 0.18);
}

.take-status[data-state="error"] {
  border-color: color-mix(in srgb, var(--coral) 45%, var(--line));
  color: var(--coral);
  background: var(--coral-soft);
}

.player-stage {
  position: relative;
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 12px 20px;
  min-height: 322px;
  padding: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px 26px 21px 24px;
  background:
    radial-gradient(circle at 16% 22%, color-mix(in srgb, var(--mint-soft) 75%, transparent), transparent 37%),
    linear-gradient(142deg, color-mix(in srgb, var(--glass-strong) 84%, transparent), color-mix(in srgb, var(--paper-deep) 66%, transparent));
}

.player-stage::after {
  position: absolute;
  right: -18px;
  bottom: -24px;
  width: 140px;
  height: 100px;
  border: 2px solid color-mix(in srgb, var(--coral) 26%, transparent);
  border-radius: 50%;
  content: "";
  transform: rotate(-13deg);
}

.disc-wrap {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
}

.record-disc {
  position: relative;
  display: grid;
  width: 104px;
  height: 104px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background:
    repeating-radial-gradient(circle, transparent 0 5px, rgba(255, 255, 255, 0.055) 6px 7px),
    conic-gradient(from 45deg, #12201c, #294239, #0e1916, #335349, #12201c);
  box-shadow: 0 15px 30px rgba(15, 35, 29, 0.22);
}

.record-disc::before {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: inset 0 0 0 8px rgba(255, 255, 255, 0.1);
  content: "";
}

.record-disc span {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #fff9ed;
}

.record-disc.is-playing {
  animation: spin 4s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.sketch-arrow {
  position: absolute;
  right: -17px;
  bottom: -9px;
  width: 54px;
  color: var(--coral);
  transform: rotate(5deg);
}

.sketch-arrow path {
  stroke-width: 2.2;
}

.track-copy {
  position: relative;
  z-index: 1;
  align-self: center;
  min-width: 0;
}

.track-copy > p:first-child {
  margin: 0 0 6px;
  color: var(--mint-deep);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.11em;
}

.track-copy h3 {
  margin: 0;
  overflow: hidden;
  font-size: clamp(1.22rem, 2.2vw, 1.72rem);
  letter-spacing: -0.035em;
  line-height: 1.15;
  text-overflow: ellipsis;
}

.track-copy #track-meta {
  margin: 7px 0 0;
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.4;
  text-overflow: ellipsis;
}

.track-copy .ai-disclosure {
  margin-top: 9px;
  color: var(--coral);
  border-color: color-mix(in srgb, var(--coral) 34%, var(--line));
  background: var(--coral-soft);
  white-space: nowrap;
}

.track-copy .ai-disclosure[hidden] {
  display: none;
}

.waveform {
  position: relative;
  z-index: 1;
  display: flex;
  grid-column: 1 / -1;
  align-items: center;
  gap: 3px;
  height: 61px;
  padding: 6px 2px;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 4%, black 96%, transparent);
}

.waveform i {
  width: 3px;
  min-width: 3px;
  height: var(--h);
  border-radius: 8px;
  background: color-mix(in srgb, var(--mint) var(--tone, 70%), var(--blue));
  opacity: 0.72;
  transform-origin: center;
}

.player-stage.is-working .waveform i:nth-child(3n) {
  animation: pulse-wave 1.1s ease-in-out infinite alternate;
  animation-delay: calc(var(--n) * -30ms);
}

@keyframes pulse-wave {
  to { transform: scaleY(0.4); opacity: 0.35; }
}

.progress-wrap,
.player-controls {
  position: relative;
  z-index: 1;
  grid-column: 1 / -1;
}

.progress-copy {
  display: flex;
  justify-content: space-between;
  margin-bottom: 7px;
  color: var(--ink-soft);
  font-size: 0.74rem;
}

.progress-copy strong {
  color: var(--mint-deep);
  font-family: var(--mono);
}

.progress-track {
  height: 8px;
  overflow: hidden;
  border-radius: 20px;
  background: color-mix(in srgb, var(--line-strong) 38%, transparent);
}

.progress-track i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--mint), #79dabc);
  transition: width 400ms ease;
}

.cancel-button {
  margin-top: 11px;
  padding: 4px 0;
  color: var(--coral);
  font-size: 0.72rem;
  font-weight: 800;
}

.player-controls {
  display: grid;
  grid-template-columns: 42px auto 1fr auto 38px;
  align-items: center;
  gap: 10px;
}

.play-button {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--ink);
}

html[data-theme="dark"] .play-button {
  color: #10211a;
  background: var(--mint);
}

.play-button svg {
  width: 19px;
  height: 19px;
}

.play-button .pause-icon,
.play-button.is-playing .play-icon {
  display: none;
}

.play-button.is-playing .pause-icon {
  display: block;
}

.player-controls > span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
}

.player-controls input[type="range"] {
  --range: 0%;
  min-width: 0;
}

.download-button {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-soft);
  background: var(--glass-strong);
}

.download-button svg {
  width: 17px;
  height: 17px;
}

.spec-strip {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  margin-top: 17px;
}

.spec-strip > span {
  display: grid;
  justify-items: center;
  text-align: center;
}

.spec-strip b {
  font-family: var(--mono);
  font-size: 0.75rem;
}

.spec-strip small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.66rem;
}

.spec-strip > i {
  width: 1px;
  height: 29px;
  background: var(--line);
}

.history-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 17px;
}

.refresh-button {
  width: 38px;
  height: 38px;
}

.refresh-button.is-loading svg {
  animation: spin 800ms linear infinite;
}

.history-list {
  display: grid;
  gap: 9px;
  max-height: 404px;
  padding-right: 3px;
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}

.empty-history {
  display: flex;
  align-items: center;
  gap: 13px;
  min-height: 88px;
  padding: 14px;
  border: 1px dashed var(--line-strong);
  border-radius: 17px 20px 16px 19px;
  color: var(--muted);
}

.empty-history > span {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: var(--mint-deep);
  background: var(--mint-soft);
  font-size: 1.2rem;
}

.empty-history strong {
  color: var(--ink);
  font-size: 0.85rem;
}

.empty-history p {
  margin: 2px 0 0;
  font-size: 0.75rem;
}

.history-item {
  display: grid;
  grid-template-columns: 45px minmax(0, 1fr) auto;
  align-items: center;
  gap: 11px;
  min-height: 70px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 15px 18px 14px 17px;
  background: color-mix(in srgb, var(--glass-strong) 70%, transparent);
  transition: border-color 150ms ease, transform 150ms ease, background 150ms ease;
}

.history-item:hover,
.history-item.is-selected {
  border-color: color-mix(in srgb, var(--mint) 50%, var(--line));
  background: var(--glass-strong);
  transform: translateX(2px);
}

.history-play {
  position: relative;
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  border-radius: 12px 14px 11px 15px;
  color: var(--mint-deep);
  background: var(--mint-soft);
}

.history-play svg {
  width: 17px;
  height: 17px;
}

.history-item[data-status="running"] .history-play,
.history-item[data-status="queued"] .history-play {
  color: #ad7500;
  background: rgba(255, 218, 125, 0.2);
}

.history-item[data-status="failed"] .history-play,
.history-item[data-status="cancelled"] .history-play {
  color: var(--coral);
  background: var(--coral-soft);
}

.history-item-copy {
  display: grid;
  min-width: 0;
}

.history-item-copy strong {
  overflow: hidden;
  font-size: 0.8rem;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-item-copy small {
  margin-top: 3px;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.67rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-item-actions {
  display: flex;
  align-items: center;
  gap: 5px;
}

.history-item-actions button,
.history-item-actions a {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 50%;
  color: var(--muted);
  background: transparent;
}

.history-item-actions button:hover,
.history-item-actions a:hover {
  border-color: var(--line);
  color: var(--ink);
  background: var(--glass-strong);
}

.history-item-actions svg {
  width: 16px;
  height: 16px;
}

.mini-progress {
  position: absolute;
  inset: 4px;
  border: 2px solid color-mix(in srgb, var(--line-strong) 36%, transparent);
  border-top-color: #c28a14;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

footer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 11px;
  min-height: 58px;
  padding: 12px 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

footer i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--mint);
}

.access-dialog {
  width: min(660px, calc(100% - 28px));
  max-height: min(760px, calc(100vh - 32px));
  margin: auto;
  padding: 0;
  overflow: visible;
  border: 0;
  border-radius: 25px 30px 24px 28px;
  color: var(--ink);
  background: transparent;
}

.access-dialog::backdrop {
  background: rgba(6, 18, 14, 0.48);
  backdrop-filter: blur(10px);
}

.dialog-shell {
  max-height: min(760px, calc(100vh - 32px));
  padding: clamp(20px, 4vw, 34px);
  overflow: auto;
  border: 1px solid var(--line-strong);
  border-radius: inherit;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  box-shadow: 0 32px 100px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(28px) saturate(140%);
}

.dialog-shell > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dialog-shell h2 {
  margin: 2px 0 0;
  font-size: 1.55rem;
}

.dialog-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  margin: 24px 0 22px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 14px 17px 13px 16px;
  background: color-mix(in srgb, var(--paper-deep) 66%, transparent);
}

.dialog-tabs button {
  min-height: 40px;
  border-radius: 10px 13px 9px 12px;
  color: var(--muted);
  background: transparent;
  font-size: 0.78rem;
  font-weight: 800;
}

.dialog-tabs button.is-active {
  border: 1px solid var(--line);
  color: var(--mint-deep);
  background: var(--glass-strong);
  box-shadow: 0 4px 14px rgba(32, 70, 57, 0.08);
}

.dialog-pane form {
  display: grid;
  gap: 17px;
}

.dialog-primary {
  min-height: 48px;
  padding: 9px 18px;
  border-radius: 14px 17px 13px 16px;
  color: #fff;
  background: var(--mint-deep);
  font-weight: 850;
}

.dialog-button-row {
  display: flex;
  justify-content: flex-end;
  gap: 9px;
}

.dialog-button-row .dialog-primary {
  min-width: 150px;
}

.form-error {
  min-height: 1em;
  margin: -6px 0 0;
  color: var(--coral);
  font-size: 0.76rem;
}

.turnstile-slot {
  min-height: 65px;
}

.field-help {
  margin: -6px 0 0;
  line-height: 1.55;
}

.signed-in-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--mint) 38%, var(--line));
  border-radius: 16px 19px 15px 18px;
  background: var(--mint-soft);
}

.signed-in-card[hidden] {
  display: none;
}

.signed-in-card .avatar {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--mint-deep);
  font-weight: 900;
}

.signed-in-card > div {
  display: grid;
  min-width: 0;
}

.signed-in-card small {
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.signed-in-card strong {
  overflow: hidden;
  font-size: 0.84rem;
  text-overflow: ellipsis;
}

.api-route {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 11px;
}

.api-route span {
  padding: 4px 7px;
  border-radius: 7px;
  color: var(--mint-deep);
  background: var(--mint-soft);
  font-family: var(--mono);
  font-size: 0.67rem;
  font-weight: 900;
}

.api-route code {
  font-size: 0.79rem;
}

.developer-pane > p {
  margin: 0 0 14px;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.developer-pane pre {
  max-height: 310px;
  margin: 0;
  padding: 17px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 15px 18px 14px 17px;
  color: #dffcf0;
  background: #11201b;
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.62;
  white-space: pre-wrap;
}

.copy-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  margin-top: 12px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 12px 14px 11px 13px;
  background: var(--glass-strong);
  font-size: 0.74rem;
  font-weight: 800;
}

.copy-button svg {
  width: 16px;
  height: 16px;
}

.toast-region {
  position: fixed;
  z-index: 100;
  right: 18px;
  bottom: 18px;
  display: grid;
  width: min(380px, calc(100% - 36px));
  gap: 8px;
}

.toast {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 14px 17px 13px 16px;
  background: var(--glass-strong);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
  animation: toast-in 230ms ease both;
}

.toast > i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mint);
}

.toast.is-error > i {
  background: var(--coral);
}

.toast span {
  font-size: 0.78rem;
}

.toast button {
  color: var(--muted);
  background: transparent;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
}

@media (max-width: 1120px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .engine-pill {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    min-height: 40px;
    margin-top: 8px;
    justify-content: center;
  }

  .site-header {
    padding-top: 10px;
    padding-bottom: 10px;
  }

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

  .listen-column {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 0.72fr);
  }

  .history-card {
    height: 100%;
  }

  .history-list {
    max-height: 476px;
  }
}

@media (max-width: 820px) {
  .site-header {
    position: relative;
  }

  .api-button span {
    display: none;
  }

  .api-button {
    width: 43px;
    padding: 0;
  }

  .intro-row {
    display: grid;
    gap: 14px;
  }

  .intro-copy {
    max-width: 620px;
  }

  .intro-aside {
    max-width: 620px;
  }

  .listen-column {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 70px;
    padding-inline: 15px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .brand-copy strong {
    font-size: 0.92rem;
  }

  .brand-copy small {
    font-size: 0.59rem;
  }

  .header-actions {
    gap: 5px;
  }

  .language-button {
    width: 43px;
    padding: 0;
    font-size: 0.68rem;
  }

  .language-button span:nth-child(2),
  .language-button span:not(.is-current) {
    display: none;
  }

  .engine-pill {
    justify-content: flex-start;
    padding-inline: 11px;
  }

  .queue-mini {
    margin-left: auto;
  }

  main {
    width: min(100% - 24px, 1480px);
    padding-top: 28px;
  }

  h1 {
    font-size: clamp(2.2rem, 12vw, 3.35rem);
  }

  .compose-card,
  .now-card,
  .history-card {
    padding: 18px;
  }

  .card-heading {
    margin-bottom: 19px;
  }

  .draft-note {
    display: none;
  }

  .mode-switch {
    gap: 4px;
  }

  .mode-option {
    min-height: 52px;
    padding-inline: 9px;
  }

  .mode-option small {
    display: none;
  }

  .prompt-field textarea {
    min-height: 160px;
  }

  .lyrics-header small {
    display: none;
  }

  .settings-drawer summary small {
    display: none;
  }

  .settings-body {
    grid-template-columns: minmax(0, 1fr);
  }

  .range-control,
  .preset-field {
    grid-column: auto;
  }

  .submit-row {
    display: grid;
  }

  .submit-row > p {
    display: none;
  }

  .generate-button {
    width: 100%;
    min-width: 0;
  }

  .player-stage {
    grid-template-columns: 84px minmax(0, 1fr);
    min-height: 300px;
    padding: 17px;
  }

  .record-disc {
    width: 78px;
    height: 78px;
  }

  .record-disc::before {
    width: 26px;
    height: 26px;
  }

  .sketch-arrow {
    display: none;
  }

  .player-controls {
    grid-template-columns: 40px 1fr 36px;
    gap: 8px;
  }

  .player-controls > span {
    display: none;
  }

  .spec-strip {
    margin-inline: -3px;
  }

  .spec-strip small {
    font-size: 0.6rem;
  }

  footer {
    line-height: 1.5;
  }

  .dialog-tabs {
    grid-template-columns: 1fr;
  }

  .dialog-button-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 390px) {
  .brand-copy small {
    display: none;
  }

  .engine-pill small {
    display: none;
  }

  .engine-pill > span:nth-child(2) {
    min-width: 64px;
  }

  .queue-mini span {
    display: none;
  }

  .card-heading h2,
  .history-heading h2 {
    font-size: 1.16rem;
  }

  .prompt-starters button:last-child {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}