:root {
  --bg0: #0f1412;
  --bg1: #1a2420;
  --ink: #e8f0ea;
  --muted: #9bb0a3;
  --accent: #3dba7e;
  --accent-ink: #062016;
  --line: #2c3b34;
  --danger: #e07070;
  --font-display: "Segoe UI", "Helvetica Neue", sans-serif;
  --font-body: "Segoe UI", "Helvetica Neue", sans-serif;
  --font-mono: Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 600px at 10% -10%, #1e3a2f 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #243528 0%, transparent 50%),
    var(--bg0);
  color: var(--ink);
  font-family: var(--font-body);
}

.shell {
  width: min(820px, calc(100% - 2rem));
  margin: 2.5rem auto 3rem;
  display: grid;
  gap: 1.25rem;
}

.brand h1 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  letter-spacing: -0.02em;
  font-weight: 700;
}
.sub { margin: 0; color: var(--muted); max-width: 42rem; }
.health {
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}
.health.ok { color: var(--accent); }
.health.bad { color: var(--danger); }

.usage {
  margin: 0.4rem 0 0;
  font-size: 0.95rem;
  color: var(--muted);
}
.usage.limit { color: var(--danger); font-weight: 600; }
.limit-msg { margin: 0; color: var(--ink); line-height: 1.5; }

.panel {
  background: color-mix(in srgb, var(--bg1) 88%, black);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.1rem 1.2rem 1.25rem;
}
.panel h2 {
  margin: 0 0 0.85rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.drop {
  display: grid;
  place-items: center;
  min-height: 120px;
  border: 1.5px dashed color-mix(in srgb, var(--accent) 45%, var(--line));
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg0) 70%, transparent);
  cursor: pointer;
  padding: 1rem;
  text-align: center;
  color: var(--muted);
  transition: border-color 0.15s, background 0.15s;
}
.drop:hover, .drop.drag {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, var(--bg0));
  color: var(--ink);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

button {
  appearance: none;
  border: 0;
  border-radius: 10px;
  padding: 0.7rem 1.1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  background: var(--accent);
  color: var(--accent-ink);
}
button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
#stopBtn {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.log {
  margin: 0;
  min-height: 180px;
  max-height: 360px;
  overflow: auto;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  background: #0a0e0c;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.45;
  white-space: pre-wrap;
}

.results {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}
.results a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}
.results a:hover { text-decoration: underline; }