@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css");
@import url("https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500&display=swap");

:root {
  color-scheme: dark;
  --bg: oklch(18% 0.005 260); /* #121315 */
  --panel: oklch(22% 0.005 260); /* #191a1d */
  --panel-2: oklch(25% 0.005 260); /* #202225 */
  --ink: oklch(93% 0.003 260); /* #e2e2e4 */
  --muted: oklch(68% 0.005 260); /* #97999e */
  --line: oklch(30% 0.005 260); /* #2c2e33 */
  --accent: oklch(68% 0.13 45); /* #e28468 */
  --accent-strong: oklch(61% 0.12 45); /* #c66d53 */
  --gold: oklch(68% 0.13 45); /* #e28468 */
  --field: oklch(25% 0.005 260); /* #202225 */
  --field-strong: oklch(28% 0.005 260); /* #26282d */
  --shadow: 0 8px 30px rgba(0, 0, 0, .25);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  background-color: var(--bg);
  color: var(--ink);
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-weight: 300;
  line-height: 1.6;
  letter-spacing: -0.01em;
}

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

.app-shell {
  width: min(1000px, 100%);
  height: 100vh;
  margin: 0 auto;
  padding: 22px;
  overflow: hidden;
}

.workspace {
  display: grid;
  grid-template-columns: 350px minmax(0, 1fr);
  gap: 18px;
  align-items: stretch;
  height: calc(100vh - 44px);
  min-height: 0;
}

.settings-panel,
.output-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  min-height: 0;
}

.settings-panel {
  padding: 24px;
  overflow-y: auto;
}

.output-panel {
  padding: 24px;
  overflow-y: auto;
}

/* 스크롤바 미니멀 커스텀 */
.settings-panel,
.output-panel {
  scrollbar-color: var(--line) var(--panel);
  scrollbar-width: thin;
}

.settings-panel::-webkit-scrollbar,
.output-panel::-webkit-scrollbar {
  width: 6px;
}

.settings-panel::-webkit-scrollbar-track,
.output-panel::-webkit-scrollbar-track {
  background: var(--panel);
}

.settings-panel::-webkit-scrollbar-thumb,
.output-panel::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 999px;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
}

.app-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--accent);
  font-size: 20px;
  font-weight: 400;
  box-shadow: none;
}

h1 {
  font-size: 18px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.brand-row p {
  color: var(--muted);
  margin-top: 4px;
  font-size: 12px;
}

.brand-row .app-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  color: var(--muted);
  font-size: 11px;
  margin-top: 6px;
}

.app-meta a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 400;
}

.app-meta a:hover {
  text-decoration: underline;
}

.control-grid {
  display: grid;
  gap: 16px;
}

.mode-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 0;
  padding: 0;
  border: 0;
}

.mode-switch legend {
  grid-column: 1 / -1;
  margin-bottom: 6px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 400;
}

.mode-switch label {
  display: block;
  cursor: pointer;
}

.mode-switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.mode-switch span {
  display: grid;
  place-items: center;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--muted);
  font-weight: 400;
  font-size: 13px;
  transition: all 0.15s ease;
}

.mode-switch input:checked + span {
  border-color: var(--accent);
  background: rgba(226, 132, 104, 0.08);
  color: var(--accent);
}

.is-hidden {
  display: none !important;
}

label,
.range-field {
  display: grid;
  gap: 6px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 400;
}

input,
select,
textarea {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--ink);
  padding: 8px 12px;
  outline: none;
  font-size: 13px;
  font-family: inherit;
  font-weight: 300;
  transition: all 0.15s ease;
}

input[type="range"] {
  accent-color: var(--accent);
  padding: 0;
  background: transparent;
  border: none;
  min-height: auto;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  background: oklch(27% 0.005 260);
}

input:disabled,
select:disabled,
textarea:disabled {
  background: var(--panel);
  color: var(--muted);
  cursor: not-allowed;
  opacity: 0.6;
}

textarea {
  min-height: 100px;
  resize: vertical;
  line-height: 1.6;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
}

.blend-panel {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
}

.range-field span {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

output {
  color: var(--accent);
  font-weight: 400;
  font-family: 'Outfit', sans-serif;
}

.range-field.is-disabled {
  opacity: .45;
}

button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--ink);
  padding: 8px 16px;
  cursor: pointer;
  font-weight: 400;
  font-size: 13px;
  transition: all 0.15s ease;
  font-family: inherit;
}

button:hover {
  border-color: var(--accent);
  background: oklch(27% 0.005 260);
}

button.copied {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  font-weight: 500;
}

.output-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
}

.output-toolbar h2 {
  font-size: 16px;
  font-weight: 400;
  color: var(--ink);
}

.output-toolbar p {
  color: var(--muted);
  margin-top: 4px;
  font-size: 12px;
}

.results {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 20px;
}

.track-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-2);
  overflow: hidden;
}

.track-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: rgba(226, 132, 104, 0.04);
  border-bottom: 1px solid var(--line);
}

.track-label {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(226, 132, 104, 0.1);
  color: var(--accent);
  font-size: 11px;
  font-weight: 400;
  font-family: 'Outfit', sans-serif;
  border: 1px solid rgba(226, 132, 104, 0.2);
}

.track-head h3 {
  margin-top: 6px;
  font-size: 15px;
  font-weight: 400;
  color: var(--ink);
}

.track-help {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

.copy-track {
  flex: 0 0 auto;
}

.prompt-block {
  padding: 20px;
}

.prompt-block h4 {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 400;
  text-transform: uppercase;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 0.05em;
}

pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: keep-all;
  overflow-wrap: anywhere;
  font: 13px/1.6 "Consolas", "D2Coding", monospace;
  color: var(--ink);
  background: var(--panel);
  padding: 12px;
  border-radius: 6px;
  border: 1px solid var(--line);
}

/* 반응형 (테블릿 및 모바일용만 1열 처리) */
@media (max-width: 920px) {
  body {
    overflow: auto;
  }

  .app-shell {
    padding: 12px;
    height: auto;
    overflow: visible;
  }

  .workspace {
    grid-template-columns: 1fr;
    height: auto;
  }

  .settings-panel,
  .output-panel {
    overflow: visible;
  }
}

@media (max-width: 600px) {
  .settings-panel,
  .output-panel {
    padding: 18px;
  }

  .two-col {
    grid-template-columns: 1fr;
  }

  .brand-row,
  .output-toolbar,
  .track-head {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
  }

  .track-head {
    gap: 16px;
  }
}