:root {
  --bg: #0b1020;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-border: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.65);
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.55);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 20% 10%, rgba(99, 102, 241, 0.25), transparent 60%),
    radial-gradient(1000px 600px at 80% 20%, rgba(34, 211, 238, 0.18), transparent 55%),
    radial-gradient(900px 700px at 35% 85%, rgba(168, 85, 247, 0.14), transparent 60%),
    var(--bg);
  color: var(--text);
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 18px 28px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

.title {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.4;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  flex: 1;
}

@media (min-width: 980px) {
  .grid {
    grid-template-columns: 420px 1fr;
    align-items: start;
  }
}

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 16px;
}

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

.card-title {
  margin: 0;
  font-size: 16px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.86);
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.85);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hint {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.35;
}

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

.input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  outline: none;
}

.input:focus {
  border-color: rgba(99, 102, 241, 0.7);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18);
}

.button {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}

.button:hover {
  background: rgba(255, 255, 255, 0.12);
}

.button:active {
  transform: translateY(1px);
}

.button-secondary {
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 12px;
}

.picker-wrap {
  margin-top: 14px;
}

.pickers {
  display: grid;
  gap: 10px;
}

.picker {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.18);
}

 .swatch-wrap {
  display: flex;
  align-items: center;
 }

.swatch {
  width: 44px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.color-input {
  width: 44px;
  height: 36px;
  padding: 0;
  border: none;
  background: transparent;
}

.color-input::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-input::-webkit-color-swatch {
  border: none;
  border-radius: 10px;
}

.picker-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
}

.hex {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.8);
}

 .reset {
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
 }

 .reset:hover {
  background: rgba(255, 255, 255, 0.12);
 }

.preview {
  display: grid;
  gap: 12px;
}

.colorbar {
  width: 100%;
  height: 52px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.2);
  display: grid;
}

.legend {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.legend-item {
  padding: 10px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.18);
  display: grid;
  gap: 6px;
}

.legend-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.legend-swatch {
  width: 18px;
  height: 18px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.legend-title {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.9);
}

.legend-sub {
  font-size: 11px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.exports {
  margin-top: 14px;
  display: grid;
  gap: 12px;
}

.export {
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.18);
  overflow: hidden;
}

.export-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.export-title {
  margin: 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
}

.code {
  margin: 0;
  padding: 12px;
  max-height: 220px;
  overflow: auto;
  font-size: 12px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.9);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 16px 2px 0;
}

.footer-text {
  color: var(--muted);
  font-size: 12px;
}

.toast {
  min-height: 18px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 12px;
}