:root {
  color-scheme: dark;
  --bg: #121018;
  --panel: #1a1624;
  --panel-strong: #231e30;
  --line: #3a334d;
  --text: #f4f0ff;
  --muted: #a89ec0;
  --accent: #9b7bff;
  --accent-strong: #b49aff;
  --danger: #ff7a7a;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-strong);
  color: var(--text);
  padding: 0 14px;
  cursor: pointer;
}

button:hover {
  border-color: var(--accent);
}

button:disabled {
  cursor: wait;
  opacity: 0.6;
}

.shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 20px;
}

.workspace,
.settings {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.workspace {
  min-width: 0;
  padding: 22px;
}

.settings {
  align-self: start;
  padding: 20px;
  display: grid;
  gap: 16px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

h1,
h2 {
  margin: 0;
  line-height: 1.1;
}

h1 {
  font-size: clamp(1.8rem, 3vw, 3rem);
}

h2 {
  font-size: 1rem;
}

.mode-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

.mode {
  border: 0;
  border-radius: 0;
  background: transparent;
}

.mode.active {
  background: var(--accent);
  color: #120f1a;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.stat {
  min-height: 82px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  display: grid;
  align-content: space-between;
  background: #15121d;
}

.stat span,
label,
.result-panel span,
.hint {
  color: var(--muted);
  font-size: 0.82rem;
}

.stat strong {
  font-size: 1.1rem;
  overflow-wrap: anywhere;
}

.generator {
  display: grid;
  gap: 18px;
}

.prompt-area {
  display: grid;
  gap: 8px;
}

textarea,
input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0f0d14;
  color: var(--text);
  padding: 11px 12px;
}

textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.45;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
}

.wide {
  grid-column: span 2;
}

.toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
}

.checkbox input {
  width: auto;
}

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

.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #120a24;
  font-weight: 700;
}

.activity {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #15121d;
  display: grid;
  gap: 12px;
}

.activity-copy {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

#activityLabel {
  font-weight: 700;
}

#activityDetail {
  color: var(--muted);
  text-align: right;
}

progress {
  width: 100%;
  height: 10px;
  accent-color: var(--accent);
}

.result-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #15121d;
  display: grid;
  gap: 12px;
}

.result-panel > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

audio {
  width: 100%;
}

a {
  color: var(--accent-strong);
}

pre {
  min-height: 180px;
  max-height: 420px;
  overflow: auto;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  background: #0f0d14;
  color: #cbd5df;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

@media (max-width: 1050px) {
  .shell {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 740px) {
  .status-grid,
  .control-grid {
    grid-template-columns: 1fr 1fr;
  }

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