:root {
  color-scheme: dark;
  --bg: #0b0d10;
  --card: #141820;
  --card-2: #1a1f29;
  --text: #f1f3f7;
  --muted: #8b93a3;
  --line: #242a36;
  --line-2: #323a4a;
  --accent: #5ad0ff;
  --accent-2: #8fff9a;
  --error: #ff6b73;
  --error-bg: #3a151a;
  --ok: #5ee39b;
  --ok-bg: #11301f;
  --radius: 16px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme='dark']) {
    color-scheme: light;
    --bg: #f4f6fa;
    --card: #ffffff;
    --card-2: #eef2f8;
    --text: #15181f;
    --muted: #65708a;
    --line: #e1e6ef;
    --line-2: #cdd5e3;
    --accent: #0a7fb8;
    --accent-2: #1a9c3f;
    --error: #c4232e;
    --error-bg: #fde8ea;
    --ok: #1a7a44;
    --ok-bg: #e1f6ea;
    --shadow: 0 10px 40px rgba(40, 60, 120, 0.12);
  }
}

* {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    'Inter',
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  font-size: 16px;
  line-height: 1.55;
}
a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
}
code {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82em;
  background: var(--card-2);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 6px;
}
.glow {
  position: fixed;
  inset: -40vh -20vw auto;
  height: 80vh;
  pointer-events: none;
  background:
    radial-gradient(40% 50% at 30% 30%, color-mix(in srgb, var(--accent) 24%, transparent), transparent 70%),
    radial-gradient(35% 45% at 75% 20%, color-mix(in srgb, var(--accent-2) 14%, transparent), transparent 70%);
  filter: blur(20px);
  z-index: 0;
}
.page {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
  padding: 56px 16px 64px;
}

/* hero */
.hero {
  margin-bottom: 36px;
}
.eyebrow {
  margin: 0 0 10px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 6vw, 3.2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  background: linear-gradient(100deg, var(--text) 30%, var(--accent) 70%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  margin: 0;
  max-width: 640px;
  font-size: 1.05rem;
  color: var(--muted);
}

/* tool cards */
.tool {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  margin-bottom: 20px;
}
.tool-head h2 {
  margin: 0 0 4px;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.tool-head p {
  margin: 0 0 16px;
  font-size: 0.92rem;
  color: var(--muted);
}
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-bottom: 14px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--muted);
  min-width: 180px;
}
.field b {
  color: var(--text);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}
.field select {
  font: inherit;
  font-weight: 500;
  color: var(--text);
  background: var(--card-2);
  border: 1px solid var(--line-2);
  border-radius: 10px;
  padding: 8px 12px;
}
.field input[type='range'] {
  accent-color: var(--accent);
  width: 100%;
}
.field.check {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  align-self: end;
  padding-bottom: 8px;
  cursor: pointer;
}
.field.check input {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  margin: 0;
}
.field.off {
  opacity: 0.4;
  pointer-events: none;
}

/* dropzone */
.drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 36px 20px;
  border: 1.5px dashed var(--line-2);
  border-radius: 12px;
  background: color-mix(in srgb, var(--card-2) 60%, transparent);
  color: var(--muted);
  text-align: center;
  cursor: pointer;
  transition:
    border-color 0.15s,
    background 0.15s,
    transform 0.15s;
}
.drop:hover,
.drop.over {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--card));
}
.drop.over {
  transform: scale(1.01);
}
.drop input {
  display: none;
}
.drop-icon {
  width: 36px;
  height: 36px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.drop-text {
  font-size: 1rem;
}
.drop-text b {
  color: var(--text);
}
.drop-sub {
  display: block;
  margin-top: 4px;
  font-size: 0.85rem;
}

/* results */
.results {
  list-style: none;
  margin: 0;
  padding: 0;
}
.results:not(:empty) {
  margin-top: 14px;
}
.result {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 16px;
  align-items: center;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--card-2);
  border: 1px solid var(--line);
  margin-top: 8px;
  font-size: 0.92rem;
}
.result .name {
  font-weight: 600;
  overflow-wrap: anywhere;
}
.result .meta {
  grid-column: 1;
  font-size: 0.82rem;
  color: var(--muted);
}
.result .action {
  grid-row: 1 / span 2;
  white-space: nowrap;
}
.result.error {
  border-color: color-mix(in srgb, var(--error) 40%, transparent);
  background: var(--error-bg);
}
.result.error .meta {
  color: var(--error);
}
.result.done .action {
  color: var(--ok);
  background: var(--ok-bg);
  border: 0;
  border-radius: 999px;
  padding: 6px 12px;
  font-weight: 600;
}
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--line-2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.foot {
  margin-top: 36px;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 600px) {
  .page {
    padding-top: 36px;
  }
  .tool {
    padding: 16px;
  }
}