.alr-tool {
  --alr-primary: #173f4f;
  --alr-accent: #bfe8f5;
  --alr-accent-strong: #8fd4e8;
  --alr-surface: #ffffff;
  --alr-muted: #52717d;
  --alr-border: #78b6c9;
  --alr-error: #9b2c2c;
  width: min(100%, 820px);
  margin: 2rem auto;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  color: var(--alr-primary);
  background: #f6fcfe;
  border: 1px solid var(--alr-border);
  border-radius: 18px;
  box-shadow: 0 20px 55px rgb(23 63 79 / 10%);
}

.alr-tool *,
.alr-tool *::before,
.alr-tool *::after {
  box-sizing: border-box;
}

.alr-tool [hidden] {
  display: none !important;
}

.alr-tool h1,
.alr-tool h2 {
  color: var(--alr-primary);
  line-height: 1.15;
}

.alr-tool h1 {
  margin: 0.4rem 0 0.75rem;
  font-size: clamp(2rem, 5vw, 3.4rem);
  letter-spacing: -0.035em;
}

.alr-tool h2 {
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
}

.alr-eyebrow {
  margin: 0;
  color: var(--alr-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.alr-lede,
.alr-meta,
.alr-panel p {
  color: var(--alr-muted);
  line-height: 1.65;
}

.alr-dropzone {
  display: grid;
  place-content: center;
  min-height: 220px;
  margin: 1.5rem 0;
  padding: 2rem;
  text-align: center;
  background: var(--alr-accent);
  border: 2px dashed var(--alr-primary);
  border-radius: 14px;
  cursor: pointer;
  transition: background 140ms ease, transform 140ms ease;
}

.alr-dropzone:hover,
.alr-dropzone.is-dragging {
  background: var(--alr-accent-strong);
  transform: translateY(-1px);
}

.alr-dropzone:focus-visible,
.alr-tool button:focus-visible,
.alr-tool a:focus-visible,
.alr-tool input:focus-visible {
  outline: 3px solid var(--alr-primary);
  outline-offset: 4px;
}

.alr-drop-title {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
  font-weight: 750;
}

.alr-meta {
  margin: 0.25rem 0;
  font-size: 0.9rem;
}

.alr-panel {
  margin: 1rem 0;
  padding: 1.25rem;
  background: var(--alr-surface);
  border: 1px solid var(--alr-border);
  border-radius: 12px;
}

.alr-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.alr-chip,
.alr-badge {
  display: inline-block;
  padding: 0.35rem 0.65rem;
  font-size: 0.82rem;
  font-weight: 700;
  background: var(--alr-accent);
  border-radius: 999px;
}

.alr-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.72rem 1.2rem;
  color: var(--alr-primary);
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  background: var(--alr-accent);
  border: 2px solid var(--alr-primary);
  border-radius: 999px;
  cursor: pointer;
}

.alr-primary:hover {
  background: var(--alr-accent-strong);
}

.alr-primary[aria-busy="true"] {
  cursor: wait;
  opacity: 0.72;
}

.alr-text-button {
  padding: 0.35rem 0;
  color: var(--alr-primary);
  font: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.alr-notice {
  margin: 1rem 0;
  padding: 0.9rem 1rem;
  color: var(--alr-error);
  font-weight: 700;
  background: #fff4f4;
  border: 1px solid #dda4a4;
  border-left: 5px solid var(--alr-error);
  border-radius: 8px;
}

.alr-queue {
  border-left: 5px solid var(--alr-primary);
}

.alr-result {
  border-color: var(--alr-primary);
}

.alr-result ul {
  margin: 0.75rem 0 1.25rem;
  padding-left: 1.25rem;
  color: var(--alr-primary);
}

.alr-rename {
  display: grid;
  gap: 0.4rem;
  margin: 1rem 0;
  font-weight: 700;
}

.alr-rename input {
  width: 100%;
  min-height: 44px;
  padding: 0.65rem 0.75rem;
  color: var(--alr-primary);
  font: inherit;
  background: var(--alr-surface);
  border: 1px solid var(--alr-border);
  border-radius: 8px;
}

@media (max-width: 560px) {
  .alr-tool {
    margin: 1rem auto;
    padding: 1rem;
    border-radius: 12px;
  }

  .alr-dropzone {
    min-height: 180px;
    padding: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .alr-tool *,
  .alr-tool *::before,
  .alr-tool *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}