:root {
  --font-display: "Bricolage Grotesque", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "Space Mono", "SF Mono", Menlo, monospace;

  --bg: #0c0d10;
  --panel: #16181d;
  --panel-border: #26292f;
  --text: #eef0f3;
  --text-dim: #9a9fa8;
  --accent: #7ef0c9;
  --accent-dim: #3c5f52;
  --error: #ff6b6b;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1,
h2 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
}

a {
  color: var(--accent);
}

/* header */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
}

.brand-mark {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px dashed var(--accent);
  animation: spin 6s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.source-link {
  font-size: 0.85rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.source-link:hover {
  border-color: var(--accent);
}

/* hero */

main {
  flex: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem 2rem 4rem;
  width: 100%;
}

.hero {
  padding: 2.5rem 0 2rem;
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.025em; /* la pieza de texto mas grande de la pagina: mas tracking negativo que el h2 base */
  margin: 0 0 0.9rem;
}

.hero-sub {
  color: var(--text-dim);
  max-width: 60ch;
  font-size: 0.95rem;
}

/* drop zone */

.drop-zone {
  border: 2px dashed var(--panel-border);
  border-radius: 16px;
  padding: 3rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.15s ease;
  background: var(--panel);
}

.drop-zone:hover,
.drop-zone:focus-visible {
  border-color: var(--accent);
  outline: none;
}

.drop-zone.is-dragover {
  border-color: var(--accent);
  background: var(--accent-dim);
  transform: scale(1.01);
}

.drop-zone-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  margin: 0 0 0.4rem;
}

.drop-zone-hint {
  color: var(--text-dim);
  font-size: 0.8rem;
  letter-spacing: 0.01em;
  margin: 0;
}

/* model status */

.model-status {
  margin-top: 1.25rem;
}

.model-bar {
  height: 6px;
  border-radius: 999px;
  background: var(--panel-border);
  overflow: hidden;
}

.model-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.25s ease;
}

/* cards */

.card-list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  overflow: hidden;
  animation: card-in 0.35s ease both;
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card-preview {
  position: relative;
  aspect-ratio: 1;
  background-image: linear-gradient(45deg, #1f2126 25%, transparent 25%),
    linear-gradient(-45deg, #1f2126 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #1f2126 75%),
    linear-gradient(-45deg, transparent 75%, #1f2126 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
  background-color: #131418;
}

.card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.card-spinner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: rgba(12, 13, 16, 0.55);
}

.card-spinner[hidden] {
  display: none;
}

.spinner-ring {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 3px solid var(--panel-border);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}

.spinner-label {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.card-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.7rem 0.9rem 0;
  font-size: 0.75rem;
  letter-spacing: 0.01em;
  color: var(--text-dim);
}

.card-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-actions {
  padding: 0.7rem 0.9rem 0.9rem;
}

.btn-download {
  width: 100%;
  padding: 0.55rem;
  border-radius: 8px;
  border: 1px solid var(--accent-dim);
  background: transparent;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.btn-download:hover {
  background: var(--accent);
  color: #0c0d10;
}

.btn-download:active {
  transform: scale(0.97);
}

.card-error {
  color: var(--error);
  font-size: 0.75rem;
}

/* about */

.about {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--panel-border);
}

.about h2 {
  font-size: 1.2rem;
  margin: 0 0 0.75rem;
}

.about p {
  color: var(--text-dim);
  font-size: 0.9rem;
  max-width: 70ch;
}

.about-note {
  color: var(--text-dim);
  border-left: 2px solid var(--accent-dim);
  padding-left: 0.9rem;
}

/* footer */

.site-footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.75rem;
  letter-spacing: 0.01em;
  color: var(--text-dim);
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}