:root {
  color-scheme: dark;
  --bg: #111315;
  --panel: #191d21;
  --panel-2: #20252a;
  --line: #303841;
  --text: #edf1f5;
  --muted: #9aa8b5;
  --accent: #f0b429;
  --accent-2: #49b6a8;
  --danger: #e06262;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, "Malgun Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(620px, 1fr) 360px;
  gap: 16px;
  min-height: 100vh;
  padding: 16px;
}

.workbench,
.side-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.api-key-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  background: #15191d;
}

.api-key-strip h2 {
  margin: 0 0 4px;
  font-size: 15px;
}

.api-key-strip p {
  font-size: 12px;
  line-height: 1.45;
}

.api-key-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.key-state {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #0f1113;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.key-state[data-ready="true"] {
  border-color: rgba(73, 182, 168, 0.58);
  color: var(--accent-2);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 22px;
}

h2 {
  font-size: 16px;
  margin-bottom: 14px;
}

p,
span,
.steps {
  color: var(--muted);
}

.status-pill {
  min-width: 74px;
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  text-align: center;
  font-size: 13px;
}

.grid-form {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
  padding: 20px;
}

label {
  display: grid;
  gap: 7px;
  min-width: 0;
}

label span {
  font-size: 13px;
}

.check-control {
  align-content: start;
}

.check-control input[type="checkbox"] {
  width: 40px;
  height: 40px;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.wide {
  grid-column: 1 / -1;
}

.span-2 {
  grid-column: span 2;
}

.genre-info,
.usecase-info {
  display: grid;
  gap: 7px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #12161a;
}

.genre-info[data-tone="main"],
.usecase-info[data-tone="main"] {
  border-color: rgba(240, 180, 41, 0.65);
  background: linear-gradient(135deg, rgba(240, 180, 41, 0.14), rgba(18, 22, 26, 0.96) 58%);
}

.genre-info[data-tone="main-soft"],
.usecase-info[data-tone="main-soft"] {
  border-color: rgba(73, 182, 168, 0.62);
  background: linear-gradient(135deg, rgba(73, 182, 168, 0.13), rgba(18, 22, 26, 0.96) 58%);
}

.genre-info[data-tone="core"],
.usecase-info[data-tone="core"] {
  border-color: rgba(123, 162, 216, 0.55);
  background: linear-gradient(135deg, rgba(123, 162, 216, 0.12), rgba(18, 22, 26, 0.96) 58%);
}

.genre-info-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.genre-info-head strong {
  min-width: 0;
  color: var(--text);
  font-size: 14px;
  line-height: 1.3;
}

.genre-info-head span {
  flex: 0 0 auto;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(240, 180, 41, 0.18);
  border: 1px solid rgba(240, 180, 41, 0.45);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
}

.genre-info[data-tone="main-soft"] .genre-info-head span,
.usecase-info[data-tone="main-soft"] .genre-info-head span {
  background: rgba(73, 182, 168, 0.16);
  border-color: rgba(73, 182, 168, 0.45);
  color: var(--accent-2);
}

.genre-info[data-tone="default"] .genre-info-head span,
.usecase-info[data-tone="default"] .genre-info-head span {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line);
  color: var(--muted);
}

.genre-info p,
.usecase-info p {
  color: #b8c3cd;
  font-size: 12px;
  line-height: 1.55;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0f1113;
  color: var(--text);
  padding: 10px 11px;
  font: inherit;
  outline: none;
}

textarea {
  resize: vertical;
}

.range-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 54px;
  gap: 10px;
  align-items: center;
  min-height: 40px;
}

.range-control input {
  padding: 0;
  accent-color: var(--accent);
}

.range-control strong {
  color: var(--accent);
  font-size: 14px;
  text-align: right;
  white-space: nowrap;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
}

.actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

button,
.ghost-button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-2);
  color: var(--text);
  padding: 10px 14px;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}

.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button[type="submit"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #161100;
  font-weight: 700;
}

.song-list-section {
  border-top: 1px solid var(--line);
  padding: 18px 20px 20px;
}

.song-list {
  display: grid;
  gap: 10px;
}

.empty-state {
  padding: 16px;
  border: 1px dashed var(--line);
  border-radius: 6px;
  color: var(--muted);
}

.song-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #12161a;
  padding: 12px;
}

.song-card.sent {
  border-color: var(--accent);
}

.song-card.done {
  border-color: var(--accent-2);
}

.song-card-main {
  display: flex;
  align-items: center;
  gap: 10px;
}

.song-index {
  display: grid;
  place-items: center;
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--panel-2);
  color: var(--accent);
  font-weight: 700;
}

.song-card h3 {
  margin: 0;
  font-size: 15px;
}

.song-card p {
  margin-top: 3px;
  font-size: 13px;
}

.song-card dl {
  display: grid;
  gap: 7px;
  margin: 10px 0 0;
}

.song-card dl div {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 8px;
}

.song-card dt {
  color: var(--muted);
  font-size: 12px;
}

.song-card dd {
  margin: 0;
  color: #d7dee5;
  font-size: 12px;
  line-height: 1.45;
}

.song-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.song-actions button {
  min-height: 34px;
  padding: 0 12px;
  font-size: 12px;
}

.translation-panel {
  display: grid;
  gap: 10px;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.translation-panel[hidden] {
  display: none;
}

.translation-panel strong {
  display: block;
  margin-bottom: 4px;
  color: var(--accent-2);
  font-size: 12px;
}

.translation-panel p {
  margin: 0;
  color: #d7dee5;
  font-size: 12px;
  line-height: 1.6;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.side-panel {
  padding: 18px;
}

.progress-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.progress-head h2 {
  margin: 0;
  line-height: 1.2;
}

.progress-ring {
  --progress: 0deg;
  position: relative;
  display: grid;
  place-items: center;
  width: 132px;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    conic-gradient(var(--accent-2) var(--progress), rgba(255, 255, 255, 0.08) 0deg);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
  transition: background 420ms ease;
}

.progress-ring::before {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 50%;
  background: var(--panel);
  border: 1px solid var(--line);
}

.progress-ring::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--accent);
  border-right-color: rgba(240, 180, 41, 0.25);
  opacity: 0;
}

.progress-ring.active::after {
  opacity: 1;
  animation: progressSpin 1s linear infinite;
}

.progress-ring.complete {
  background:
    conic-gradient(var(--accent-2) 360deg, rgba(255, 255, 255, 0.08) 0deg);
}

.progress-ring.complete::after {
  opacity: 0;
}

.progress-core {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  gap: 2px;
  text-align: center;
}

.progress-core strong {
  color: var(--text);
  font-size: 28px;
  line-height: 1;
}

.progress-core span {
  max-width: 84px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.25;
}

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

.steps {
  display: grid;
  gap: 8px;
  margin: 0 0 16px;
  padding-left: 20px;
}

.steps li.done {
  color: var(--accent-2);
}

.steps li.active {
  color: var(--accent);
}

.steps li.error {
  color: var(--danger);
}

pre {
  min-height: 320px;
  margin: 0;
  padding: 12px;
  border-radius: 6px;
  background: #0f1113;
  border: 1px solid var(--line);
  white-space: pre-wrap;
  word-break: break-word;
  color: #d7dee5;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(0, 0, 0, 0.64);
}

.modal-backdrop[hidden] {
  display: none;
}

.modal {
  width: min(440px, 100%);
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
}

.modal header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.modal label + label {
  margin-top: 12px;
}

.modal header h2 {
  margin: 0;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  padding: 0;
  line-height: 1;
}

.modal-note {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.5;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

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

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

  .span-2 {
    grid-column: 1 / -1;
  }

  .progress-head {
    align-items: flex-start;
  }

  .api-key-strip {
    align-items: flex-start;
    flex-direction: column;
  }

  .api-key-actions {
    justify-content: flex-start;
  }
}