:root {
  --bg: #15111f;
  --panel: #21182e;
  --panel-light: #2c203d;
  --text: #f9f3ff;
  --muted: #c9b9d9;
  --accent: #ff7a90;
  --accent-dark: #e95775;
  --border: #443151;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  background:
    radial-gradient(circle at top left, rgba(255, 122, 144, 0.22), transparent 34rem),
    radial-gradient(circle at top right, rgba(146, 92, 255, 0.18), transparent 32rem),
    var(--bg);
  color: var(--text);
}

a {
  color: inherit;
}

code {
  padding: 0.1rem 0.35rem;
  border-radius: 0.35rem;
  background: rgba(255, 255, 255, 0.08);
}

.site-header,
main,
.site-footer {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 700;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
}

.logo {
  margin-right: auto;
  color: var(--text) !important;
  font-size: 1.1rem;
}

.hero {
  padding: 4rem 0 2.5rem;
  max-width: 850px;
}

.eyebrow {
  color: var(--accent);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
h2 {
  line-height: 1.15;
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2.4rem, 8vw, 5.2rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
}

.hero-text {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.15rem;
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.02)), var(--panel);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: clamp(1.25rem, 4vw, 2rem);
  box-shadow: var(--shadow);
}

.checker,
.results {
  margin-bottom: 1.5rem;
}

.muted {
  color: var(--muted);
}

.summary-note {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.9rem;
  font-style: italic;
  opacity: 0.85;
}

.upload-grid,
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.upload-grid {
  margin: 1.5rem 0;
}

.upload-box {
  display: block;
  padding: 1.25rem;
  border: 2px dashed var(--border);
  border-radius: 1rem;
  background: var(--panel-light);
  cursor: pointer;
  margin-bottom: 1rem;
}

.upload-box:hover,
.upload-box:focus-within {
  border-color: var(--accent);
}

.upload-box.drag-over {
  border-color: var(--accent);
  background: rgba(255, 122, 144, 0.12);
}

.upload-title,
.upload-help {
  display: block;
}

.upload-title {
  margin-bottom: 0.25rem;
  font-weight: 800;
}

.upload-help {
  margin-bottom: 1rem;
  color: var(--muted);
}

input[type='file'] {
  width: 100%;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.compact {
  justify-content: flex-end;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 0.85rem 1.15rem;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.primary-button {
  background: var(--accent);
  color: #220a14;
}

.primary-button:hover,
.primary-button:focus-visible {
  background: var(--accent-dark);
}

.secondary-button {
  background: rgba(255, 255, 255, 0.09);
  color: var(--text);
  border: 1px solid var(--border);
}

.secondary-button:hover,
.secondary-button:focus-visible {
  border-color: var(--accent);
}

.status {
  min-height: 1.5rem;
  margin-top: 1rem;
  color: var(--muted);
}

.status.error {
  color: #ffb3bd;
}

.results-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.search-label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 800;
}

.search-input {
  width: 100%;
  padding: 0.85rem 1rem;
  color: var(--text);
  background: var(--panel-light);
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  font: inherit;
}

.search-input:focus {
  outline: 2px solid var(--accent);
  border-color: transparent;
}

.results-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 0.75rem;
  padding-left: 1.25rem;
  margin: 1.25rem 0 0;
}

.results-list li {
  padding: 0.8rem 1rem;
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.075);
  word-break: break-word;
}

.info-grid {
  margin: 1.5rem 0;
}

.steps {
  padding-left: 1.25rem;
}

.site-footer {
  padding: 2rem 0 3rem;
  color: var(--muted);
  text-align: center;
}

.hidden {
  display: none;
}

@media (max-width: 720px) {
  .nav {
    justify-content: center;
  }

  .nav a:not(.logo) {
    display: none;
  }

  .logo {
    margin-right: 0;
    width: 100%;
    text-align: center;
    font-size: 1.6rem;
    font-weight: 800;
  }

  .hero {
    padding-top: 2rem;
    text-align: center;
  }

  .hero h1 {
    line-height: 1;
  }

  .hero-text {
    margin: 0 auto;
  }

  .upload-grid,
  .info-grid {
    grid-template-columns: 1fr;
  }

  .results-header {
    display: block;
  }

  .compact {
    display: flex;
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: 0.75rem;
    margin-top: 1rem;
  }

  .compact button {
    flex: 1;
  }
}