:root {
  color-scheme: dark;
  --panel: rgba(11, 29, 37, 0.88);
  --panel-border: rgba(215, 227, 234, 0.12);
  --text: #eef4f2;
  --muted: #a8bbb8;
  --accent: #f29e4c;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(242, 158, 76, 0.2), transparent 30%),
    radial-gradient(circle at right, rgba(72, 143, 196, 0.2), transparent 24%),
    linear-gradient(145deg, #071116, #102833 52%, #173947);
}

.app-shell {
  width: min(1520px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 40px;
}

.hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.92);
  padding: 8px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.22);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--accent);
}

.hero h1 {
  margin: 0;
  max-width: none;
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  line-height: 1;
}

@media (max-width: 900px) {
  .hero {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-actions {
    justify-content: flex-start;
  }
}

.workspace {
  display: grid;
  grid-template-columns: minmax(390px, 480px) minmax(0, 1fr);
  gap: 24px;
}

.controls-panel,
.preview-panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.controls-panel {
  padding: 24px;
  max-height: calc(100vh - 88px);
  overflow: auto;
}

.control-section {
  margin-bottom: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.control-section summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 16px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.control-section summary::-webkit-details-marker {
  display: none;
}

.control-section summary::after {
  content: "+";
  float: right;
  color: var(--muted);
}

.control-section[open] summary::after {
  content: "–";
}

.control-section > .panel-block,
.control-section > .panel-grid {
  margin: 0;
  padding: 16px;
}

.control-section > .panel-grid + .panel-grid,
.control-section > .panel-block + .panel-block,
.control-section > .panel-block + .panel-grid,
.control-section > .panel-grid + .panel-block {
  padding-top: 0;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.block-label,
.section-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.92rem;
  color: var(--muted);
}

.section-label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
}

textarea,
select,
input[type="number"],
input[type="search"] {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font: inherit;
}

textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.45;
}

input[type="range"] {
  width: 100%;
}

input[type="color"] {
  width: 100%;
  height: 52px;
  border: 0;
  border-radius: 16px;
  background: transparent;
  padding: 0;
}

.supporting-text,
.value-readout,
.status-message {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.record-meta {
  margin-top: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.record-meta p {
  margin: 0;
}

.record-meta p + p,
.record-meta p + .record-meta-list {
  margin-top: 8px;
}

.record-meta a {
  color: var(--text);
}

.record-meta code {
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, monospace;
}

.record-meta-list {
  margin: 0;
  padding-left: 18px;
}

.split-inputs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.results-toolbar {
  margin-top: 14px;
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.panel-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

.panel-row > input {
  flex: 1;
}

.app-dialog {
  width: min(720px, calc(100vw - 32px));
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  padding: 0;
  background: rgba(11, 29, 37, 0.96);
  color: var(--text);
  box-shadow: var(--shadow);
}

.app-dialog::backdrop {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
}

.dialog-card {
  margin: 0;
}

.dialog-header,
.dialog-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.dialog-actions {
  border-bottom: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  justify-content: flex-end;
}

.dialog-body {
  padding: 8px 24px 20px;
}

.results-list {
  margin-top: 14px;
  display: grid;
  gap: 12px;
  max-height: 320px;
  overflow: auto;
}

.result-card {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.result-title {
  margin: 0;
  font-size: 1rem;
}

.result-subtitle,
.result-text {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

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

.result-meta {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.4;
}

.preview-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  overflow: auto;
}

.preview-frame {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 720px;
}

canvas {
  width: min(100%, 760px);
  height: auto;
  border-radius: 24px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
  background: #0b1518;
}

.primary-button,
.secondary-button,
.ghost-button {
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.primary-button {
  color: #08161d;
  background: linear-gradient(135deg, #f3d08b, #f29e4c);
}

.secondary-button {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.ghost-button {
  color: var(--muted);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.inline-button {
  padding: 10px 16px;
  font-size: 0.92rem;
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover {
  filter: brightness(1.05);
}

@media (max-width: 1080px) {
  .hero,
  .workspace {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero {
    align-items: start;
  }

  .hero h1 {
    max-width: none;
  }

  .hero-actions {
    justify-content: start;
  }

  .controls-panel {
    max-height: none;
  }
}

@media (max-width: 680px) {
  .app-shell {
    width: min(100vw - 20px, 100%);
    padding-top: 20px;
  }

  .controls-panel,
  .preview-panel {
    border-radius: 22px;
  }

  .panel-grid,
  .split-inputs {
    grid-template-columns: 1fr;
  }
}