:root {
  color-scheme: dark;
  --bg: #05070f;
  --panel: #0d1122;
  --panel-2: #161c34;
  --surface: #0f1530;
  --surface-2: #0b1022;
  --surface-3: #101936;
  --surface-4: #141f3f;
  --surface-5: #24325e;
  --surface-6: #1b2747;
  --canvas-bg: #030512;
  --canvas-top: #050a18;
  --line: #35447a;
  --text: #f2fbff;
  --muted: #b4c3ff;
  --amp: #ffd84d;
  --pd: #37ffd1;
  --graph-amp: #ff5bd1;
  --graph-pd: #34f5ff;
  --graph-amp-point: #ffb3ec;
  --graph-pd-point: #b5fcff;
  --accent: #ff49c7;
  --blue: #72a6ff;
  --hint-bg: linear-gradient(180deg, rgba(255, 73, 199, 0.12), rgba(55, 255, 209, 0.08));
  --legend-bg: linear-gradient(180deg, rgba(20, 31, 63, 0.96) 0%, rgba(13, 17, 34, 0.96) 100%);
  --toggle-bg: linear-gradient(180deg, rgba(36, 50, 94, 0.9) 0%, rgba(15, 21, 48, 0.95) 100%);
  --switch-bg: linear-gradient(180deg, rgba(20, 31, 63, 0.95) 0%, rgba(13, 17, 34, 0.95) 100%);
  --switch-active-bg: linear-gradient(180deg, rgba(255, 216, 77, 0.95) 0%, rgba(255, 73, 199, 0.75) 100%);
  --panel-glow: radial-gradient(circle at top right, rgba(55, 255, 209, 0.08), transparent 36%);
  --panel-gradient: linear-gradient(180deg, var(--surface-3) 0%, var(--bg) 100%);
  --control-bg: linear-gradient(180deg, rgba(255, 216, 77, 0.24) 0%, rgba(255, 73, 199, 0.16) 100%);
  --performance-bg: linear-gradient(180deg, rgba(20, 31, 63, 0.98) 0%, rgba(13, 17, 34, 0.98) 100%);
  --code-bg: rgba(4, 8, 20, 0.88);
  --code-text: #f8e7bb;
}

body.theme-light {
  color-scheme: light;
  --bg: #f7f0df;
  --panel: #fff7e8;
  --panel-2: #f0e0c4;
  --surface: #fff3d8;
  --surface-2: #fffaf0;
  --surface-3: #f5e9cf;
  --surface-4: #eadab9;
  --surface-5: #d8c29a;
  --surface-6: #d5ccb7;
  --canvas-bg: #fff8ea;
  --canvas-top: #fffdf6;
  --line: #bfa783;
  --text: #2b241a;
  --muted: #6e5d48;
  --amp: #d97706;
  --pd: #0a9382;
  --graph-amp: #c46a00;
  --graph-pd: #007d6f;
  --graph-amp-point: #ffcf7a;
  --graph-pd-point: #78dacc;
  --accent: #d24f2e;
  --blue: #3a63c9;
  --hint-bg: linear-gradient(180deg, rgba(210, 79, 46, 0.12), rgba(204, 122, 0, 0.08));
  --legend-bg: linear-gradient(180deg, #fff7e7 0%, #f1e3c5 100%);
  --toggle-bg: linear-gradient(180deg, #f0dfb8 0%, #e2ca9c 100%);
  --switch-bg: linear-gradient(180deg, #f7ebca 0%, #ebd8ad 100%);
  --switch-active-bg: linear-gradient(180deg, #ffd778 0%, #f0b94d 100%);
  --panel-glow: radial-gradient(circle at top right, rgba(0, 0, 0, 0.02), transparent 36%);
  --panel-gradient: linear-gradient(180deg, var(--surface-2) 0%, var(--bg) 100%);
  --control-bg: linear-gradient(180deg, rgba(255, 216, 77, 0.24) 0%, rgba(255, 73, 199, 0.16) 100%);
  --performance-bg: linear-gradient(180deg, #fff7e4 0%, #efddbd 100%);
  --code-bg: rgba(255, 248, 230, 0.95);
  --code-text: #3a2f1f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(255, 73, 199, 0.16), transparent 30%),
    radial-gradient(circle at 92% 12%, rgba(55, 255, 209, 0.14), transparent 24%),
    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;
}

a {
  color: inherit;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  padding: 28px 24px 22px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at top left, rgba(255, 73, 199, 0.18), transparent 38%),
    radial-gradient(circle at top right, rgba(55, 255, 209, 0.16), transparent 34%),
    linear-gradient(180deg, var(--surface) 0%, var(--panel) 100%);
}

.hero-copy,
.top-actions {
  min-width: 0;
}

.eyebrow,
h1,
h2,
h3,
p {
  margin: 0;
}

.eyebrow {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

h1 {
  font-size: clamp(38px, 6vw, 68px);
  line-height: 0.94;
  letter-spacing: -0.04em;
  max-width: 10ch;
}

.top-note {
  max-width: 62ch;
  color: var(--muted);
  line-height: 1.6;
  padding-top: 12px;
}

.hero-panels {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

.hero-panel {
  padding: 14px 16px;
  border: 1px solid rgba(53, 68, 122, 0.72);
  border-radius: 16px;
  background:
    var(--panel-glow),
    linear-gradient(180deg, rgba(20, 31, 63, 0.92) 0%, rgba(13, 17, 34, 0.92) 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 216, 77, 0.05);
}

body.theme-light .hero-panel {
  background:
    var(--panel-glow),
    linear-gradient(180deg, rgba(255, 247, 231, 0.94) 0%, rgba(241, 227, 197, 0.94) 100%);
}

.hero-label {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--amp);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-panel strong {
  display: block;
  font-size: 16px;
  line-height: 1.2;
}

.hero-panel p {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.5;
}

.top-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-content: start;
  gap: 10px;
}

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

.pill,
button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--toggle-bg);
  color: var(--text);
  padding: 10px 16px;
  cursor: pointer;
}

button:hover,
button.is-active,
.pill-link:hover {
  border-color: var(--accent);
}

#themeToggle {
  min-width: 82px;
  font-weight: 700;
}

.pill-link {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button.primary {
  border-color: rgba(55, 255, 209, 0.5);
  background: linear-gradient(180deg, rgba(55, 255, 209, 0.18), rgba(255, 73, 199, 0.12));
}

body.theme-light button.primary {
  border-color: rgba(10, 147, 130, 0.45);
  background: linear-gradient(180deg, rgba(255, 215, 120, 0.72), rgba(240, 185, 77, 0.58));
}

.workspace {
  display: grid;
  gap: 16px;
  padding: 18px 16px 16px;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
}

.card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    var(--panel-glow),
    linear-gradient(180deg, rgba(20, 31, 63, 0.96) 0%, rgba(13, 17, 34, 0.98) 100%);
  box-shadow: 0 0 0 1px rgba(255, 73, 199, 0.04), 0 20px 50px rgba(0, 0, 0, 0.24);
  overflow: hidden;
}

body.theme-light .card {
  background:
    var(--panel-glow),
    linear-gradient(180deg, rgba(255, 247, 231, 0.98) 0%, rgba(241, 227, 197, 0.98) 100%);
  box-shadow: 0 0 0 1px rgba(210, 79, 46, 0.04), 0 18px 42px rgba(102, 73, 23, 0.12);
}

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

.card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  padding: 15px 16px;
  border-bottom: 1px solid rgba(53, 68, 122, 0.75);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
}

.card-head h2 {
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card-body {
  padding: 16px;
}

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

.field {
  display: grid;
  gap: 6px;
}

.field label,
.meta {
  color: var(--muted);
  font-size: 13px;
}

.dropzone {
  min-height: 180px;
  display: grid;
  place-items: center;
  text-align: center;
  border: 1px dashed rgba(180, 195, 255, 0.38);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  color: var(--muted);
  padding: 20px;
  cursor: pointer;
}

body.theme-light .dropzone {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.75), rgba(255, 248, 234, 0.8));
}

.dropzone strong {
  color: var(--text);
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.value-box {
  border: 1px solid rgba(180, 195, 255, 0.22);
  border-radius: 14px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.04);
}

body.theme-light .value-box {
  background: rgba(255, 255, 255, 0.56);
}

.grid-2 {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr 1fr;
}

pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "SFMono-Regular", Consolas, monospace;
  color: var(--code-text);
  background: var(--code-bg);
  border: 1px solid rgba(180, 195, 255, 0.18);
  border-radius: 14px;
  padding: 12px;
  min-height: 140px;
}

ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text);
  line-height: 1.6;
}

.banner {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  background: var(--hint-bg);
  color: var(--text);
}

.banner strong {
  color: var(--pd);
}

input[type="file"] {
  display: none;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid rgba(55, 255, 209, 0.25);
  border-radius: 999px;
  background: rgba(55, 255, 209, 0.08);
  color: var(--text);
  font-size: 13px;
}

body.theme-light .status-chip {
  background: rgba(10, 147, 130, 0.08);
  border-color: rgba(10, 147, 130, 0.24);
}

.status-chip[data-tone="warn"] {
  border-color: rgba(255, 216, 77, 0.28);
  background: rgba(255, 216, 77, 0.1);
}

body.theme-light .status-chip[data-tone="warn"] {
  border-color: rgba(196, 106, 0, 0.24);
  background: rgba(255, 215, 120, 0.32);
}

.status-chip[data-tone="bad"] {
  border-color: rgba(255, 73, 199, 0.3);
  background: rgba(255, 73, 199, 0.12);
}

body.theme-light .status-chip[data-tone="bad"] {
  border-color: rgba(210, 79, 46, 0.3);
  background: rgba(210, 79, 46, 0.12);
}

.footer {
  padding: 0 16px 20px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 1100px) {
  .topbar {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 980px) {
  .workspace,
  .hero-panels {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .topbar {
    padding: 22px 16px 18px;
  }

  .workspace {
    padding: 14px;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: none;
  }
}