/* HueSpace App — Demo Page Styles
   Extends the landing page theme (theme.css) for the product detection UI. */

.app-body {
  background: var(--bg);
  min-height: 100vh;
}

/* ── Header ── */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.app-logo {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.app-nav {
  display: flex;
  gap: 8px;
}

.nav-link {
  font-size: 14px;
  font-weight: 400;
  color: var(--fg-muted);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}

.nav-link:hover,
.nav-link--active {
  background: var(--accent-light);
  color: var(--accent);
}

/* ── Main layout ── */
.app-main {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 24px 120px;
}

/* ── Upload section ── */
.section-eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.app-headline {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 300;
  font-style: italic;
  color: var(--fg);
  margin-bottom: 16px;
  line-height: 1.1;
}

.app-lede {
  font-size: 16px;
  color: var(--fg-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}

/* URL input row */
.url-input-wrap {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.url-input {
  flex: 1;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  color: var(--fg);
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  outline: none;
  transition: border-color 0.15s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.url-input:focus {
  border-color: var(--accent);
}

.url-input::placeholder {
  color: var(--fg-muted);
  opacity: 0.7;
}

/* Detect button */
.btn-detect {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px 22px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, opacity 0.15s;
  flex-shrink: 0;
}

.btn-detect:hover:not(:disabled) {
  background: #b07608;
}

.btn-detect:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-detect--loading::after {
  content: '...';
}

/* Drop zone */
.drop-zone {
  border: 2px dashed var(--border);
  border-radius: 16px;
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  margin-bottom: 24px;
}

.drop-zone:hover {
  border-color: var(--accent);
  background: var(--accent-light);
}

.drop-zone--drag {
  border-color: var(--accent);
  background: var(--accent-light);
  transform: scale(1.01);
}

.drop-zone-content svg {
  stroke: var(--fg-muted);
  margin: 0 auto 16px;
  display: block;
}

.drop-zone-text {
  font-size: 15px;
  color: var(--fg-muted);
  margin-bottom: 6px;
}

.drop-zone-link {
  color: var(--accent);
  font-weight: 500;
  cursor: pointer;
}

.drop-zone-hint {
  font-size: 13px;
  color: var(--fg-muted);
  opacity: 0.6;
}

/* Error message */
.error-msg {
  font-size: 14px;
  color: #c0392b;
  padding: 10px 16px;
  background: #fdf2f2;
  border-radius: 8px;
  border: 1px solid #f5c6c6;
  margin-bottom: 20px;
}

/* Image preview */
.preview-wrap {
  position: relative;
  display: flex;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 24px;
  max-height: 420px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.preview-img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  display: block;
}

.preview-clear {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  stroke: var(--fg);
  transition: background 0.15s;
}

.preview-clear:hover {
  background: #fff;
}

/* ── Results ── */
.results-section {
  animation: fadeUp 0.35s ease-out both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.results-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.results-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 24px;
  font-weight: 400;
  color: var(--fg);
}

.results-count {
  font-size: 13px;
  color: var(--fg-muted);
  background: var(--accent-light);
  color: var(--accent);
  padding: 4px 12px;
  border-radius: 100px;
  font-weight: 500;
}

/* Product grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

/* Product card */
.product-card {
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  animation: fadeUp 0.3s ease-out both;
  transition: box-shadow 0.2s, transform 0.2s;
}

.product-card:hover {
  box-shadow: 0 4px 20px rgba(200, 134, 10, 0.12);
  transform: translateY(-2px);
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  stroke: var(--accent);
}

.card-body {
  flex: 1;
  min-width: 0;
}

.card-category {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}

.card-name {
  font-size: 15px;
  font-weight: 400;
  color: var(--fg);
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-buy {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.card-buy:hover {
  background: var(--accent-light);
  color: var(--accent);
  border-color: var(--accent);
}

.no-products {
  font-size: 15px;
  color: var(--fg-muted);
  text-align: center;
  padding: 48px;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .app-header { padding: 16px 20px; }
  .app-main { padding: 40px 16px 80px; }
  .url-input-wrap { flex-direction: column; }
  .product-grid { grid-template-columns: 1fr; }
}