/* Public artwork analyzer — editorial / gallery aesthetic.
   Uses --ga-* tokens from assets/css/style.css so light/dark themes match. */

:root {
  --tools-display: 'Playfair Display', 'Cormorant Garamond', Georgia, serif;
  --tools-body:    'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --tools-radius-lg: 18px;
  --tools-radius-md: 10px;
  --tools-shadow-card: 0 12px 40px -16px rgba(0, 0, 0, 0.18), 0 1px 2px rgba(0, 0, 0, 0.04);
  --tools-shadow-soft: 0 4px 16px -10px rgba(0, 0, 0, 0.18);
  --tools-max: 920px;
}

html.dark {
  --tools-shadow-card: 0 18px 48px -20px rgba(0, 0, 0, 0.55), 0 1px 2px rgba(0, 0, 0, 0.35);
  --tools-shadow-soft: 0 8px 24px -14px rgba(0, 0, 0, 0.6);
}

body.tools-page {
  background: var(--ga-bg);
  color: var(--ga-fg);
  font-family: var(--tools-body);
  margin: 0;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.tools-page a { color: var(--ga-primary); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.tools-page a:hover { color: var(--ga-primary-glow); }

.tools-shell {
  max-width: var(--tools-max);
  margin: 0 auto;
  padding: clamp(0.42rem, 0.33rem + 0.33vw, 0.67rem) clamp(1rem, 0.75rem + 1vw, 1.75rem) 5rem;
}

.tools-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 1rem;
  border-bottom: 1px solid var(--ga-border);
}
.tools-topbar .brand {
  font-family: var(--tools-display);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.01em;
  color: var(--ga-fg);
  text-decoration: none;
}
.tools-topbar .brand .q   { color: var(--ga-primary); }
.tools-topbar .brand .dot { color: var(--ga-primary); }
.tools-topbar nav a {
  margin-left: 1.25rem;
  font-size: 0.875rem;
  color: var(--ga-muted);
  text-decoration: none;
}
.tools-topbar nav a:hover { color: var(--ga-fg); }

.tools-hero {
  text-align: left;
  padding: clamp(2rem, 2rem + 3vw, 1.5rem) 0 clamp(1.5rem, 1.5rem + 2vw, 1.5rem)
}
.tools-hero .badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: var(--ga-secondary);
  color: var(--ga-fg);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tools-hero .badge::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ga-primary);
}
.tools-hero h1 {
  font-family: var(--tools-display);
  font-weight: 600;
  font-size: min(6vw, 3.75rem);
  line-height: 1.05;
  margin: 1rem 0 0.75rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.tools-hero p.lede {
  max-width: 60ch;
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
  color: var(--ga-muted);
  margin: 0;
}

.tools-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1rem;
}

.tools-card {
  background: var(--ga-card);
  border: 1px solid var(--ga-border);
  border-radius: var(--tools-radius-lg);
  padding: clamp(1.25rem, 1rem + 1vw, 2rem);
  box-shadow: var(--tools-shadow-card);
}

.tools-card h2 {
  font-family: var(--tools-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  margin: 0 0 0.4rem;
}
.tools-card p { margin: 0; color: var(--ga-muted); }

.tools-banner {
  display: flex;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background: color-mix(in oklab, var(--ga-primary) 8%, var(--ga-card));
  border: 1px solid color-mix(in oklab, var(--ga-primary) 25%, var(--ga-border));
  border-radius: var(--tools-radius-md);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  align-items: flex-start;
}
.tools-banner svg { flex: 0 0 18px; margin-top: 2px; color: var(--ga-primary); }
.tools-banner strong { color: var(--ga-fg); }

.tools-dropzone {
  display: block;
  border: 1.5px dashed color-mix(in oklab, var(--ga-fg) 18%, var(--ga-border));
  border-radius: var(--tools-radius-md);
  padding: clamp(1.5rem, 1.25rem + 2vw, 2.5rem);
  text-align: center;
  cursor: pointer;
  background: var(--ga-surface);
  transition: border-color 150ms, background 150ms;
}
.tools-dropzone:hover, .tools-dropzone.is-drag {
  border-color: var(--ga-primary);
  background: color-mix(in oklab, var(--ga-primary) 4%, var(--ga-surface));
}
.tools-dropzone.is-hidden { display: none; }
.tools-dropzone .icon {
  font-size: 2rem; line-height: 1; color: var(--ga-primary); margin-bottom: 0.5rem;
}
.tools-dropzone .hint { font-size: 0.85rem; color: var(--ga-muted); margin-top: 0.25rem; }
.tools-dropzone input[type="file"] { display: none; }

.tools-preview {
  display: none;
  margin-top: 1rem;
  border-radius: var(--tools-radius-md);
  overflow: hidden;
  background: var(--ga-surface);
  position: relative;
  box-shadow: var(--tools-shadow-soft);
}
.tools-preview.has-image { display: block; }
.tools-preview img { display: block; width: 100%; height: auto; max-height: 420px; object-fit: contain; }
.tools-preview .meta {
  padding: 0.6rem 0.85rem;
  font-size: 0.85rem;
  color: var(--ga-muted);
  display: flex; justify-content: space-between; align-items: center; gap: 0.75rem;
  border-top: 1px solid var(--ga-border);
  background: var(--ga-card);
}
.tools-preview .meta button {
  background: none; border: 0; color: var(--ga-danger);
  font-size: 0.8rem; cursor: pointer; padding: 0;
}

.tools-actions {
  margin-top: 1rem;
  display: flex; flex-direction: column; gap: 0.85rem;
}
.tools-check {
  display: flex; gap: 0.5rem; align-items: flex-start;
  font-size: 0.9rem; color: var(--ga-fg);
}
.tools-check input { margin-top: 0.2rem; flex: 0 0 auto; }
.tools-check a { color: var(--ga-primary); }

.tools-submit {
  background: var(--ga-primary);
  color: var(--ga-primary-fg);
  border: 0;
  padding: 0.85rem 1.5rem;
  border-radius: var(--tools-radius-md);
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 150ms, transform 150ms, box-shadow 150ms;
  box-shadow: 0 6px 16px -8px color-mix(in oklab, var(--ga-primary) 60%, transparent);
}
.tools-submit:hover:not(:disabled) {
  background: var(--ga-primary-glow);
  transform: translateY(-1px);
}
.tools-submit:disabled { opacity: 0.45; cursor: not-allowed; transform: none; box-shadow: none; }

.tools-progress {
  display: none;
  align-items: center;
  gap: 1rem;
}
.tools-progress.is-visible { display: flex; }
.tools-progress .spinner {
  width: 22px; height: 22px;
  border: 2px solid color-mix(in oklab, var(--ga-fg) 15%, transparent);
  border-top-color: var(--ga-primary);
  border-radius: 50%;
  animation: tools-spin 700ms linear infinite;
}
.tools-progress .check {
  display: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--ga-primary);
  color: var(--ga-primary-fg);
  text-align: center;
  line-height: 22px;
  font-size: 14px;
  font-weight: 700;
}
.tools-progress.is-done .spinner { display: none; }
.tools-progress.is-done .check   { display: inline-block; }
@keyframes tools-spin { to { transform: rotate(360deg); } }
.tools-progress .label { font-size: 1.15rem; font-weight: 500; color: var(--ga-fg); }
.tools-progress .sub   { font-size: 0.95rem; color: var(--ga-muted); margin-top: 0.2rem; }

.tools-progress-row {
  display: grid;
  grid-template-columns: minmax(140px, 200px) 1fr;
  gap: 1.25rem;
  align-items: center;
  margin-top: 1rem;
}
.tools-progress-thumb {
  margin: 0;
  background: var(--ga-surface);
  border: 1px solid var(--ga-border);
  border-radius: var(--tools-radius-md);
  padding: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.tools-progress-thumb img {
  width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: contain;
  border-radius: 6px;
  background: color-mix(in oklab, var(--ga-fg) 4%, var(--ga-card));
}
.tools-progress-thumb figcaption {
  font-size: 0.78rem;
  color: var(--ga-muted);
  word-break: break-all;
}
.tools-progress-status { min-width: 0; }
@media (max-width: 540px) {
  .tools-progress-row { grid-template-columns: 1fr; }
  .tools-progress-thumb img { max-height: 220px; }
}

.tools-progressbar {
  margin-top: 1rem;
  height: 6px;
  background: var(--ga-secondary);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}
.tools-progressbar .bar {
  display: block;
  height: 100%;
  width: 35%;
  border-radius: 999px;
  background: linear-gradient(90deg,
    color-mix(in oklab, var(--ga-primary) 60%, transparent),
    var(--ga-primary),
    color-mix(in oklab, var(--ga-primary) 60%, transparent));
  background-size: 200% 100%;
  animation: tools-bar-slide 1.4s ease-in-out infinite,
             tools-bar-shine 2.8s linear infinite;
  transition: width 400ms ease-out;
}
.tools-progressbar.is-done .bar {
  width: 100% !important;
  animation: none;
  background: var(--ga-primary);
}
@keyframes tools-bar-slide {
  0%   { transform: translateX(-100%); }
  60%  { transform: translateX(180%); }
  100% { transform: translateX(180%); }
}
@keyframes tools-bar-shine {
  to { background-position: -200% 0; }
}

.tools-result {
  display: none;
}
.tools-result.is-visible { display: block; }

.tools-result-thumb {
  display: grid;
  grid-template-columns: minmax(120px, 180px) 1fr;
  gap: 1rem;
  align-items: center;
  margin: 1rem 0 0;
  padding: 0.85rem;
  background: var(--ga-surface);
  border: 1px solid var(--ga-border);
  border-radius: var(--tools-radius-md);
}
.tools-result-thumb img {
  width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: contain;
  border-radius: 6px;
  background: color-mix(in oklab, var(--ga-fg) 4%, var(--ga-card));
}
.tools-result-thumb figcaption {
  font-size: 0.85rem;
  color: var(--ga-muted);
  line-height: 1.5;
}
.tools-result-thumb figcaption strong { color: var(--ga-fg); display: block; margin-bottom: 0.25rem; }
@media (max-width: 540px) {
  .tools-result-thumb { grid-template-columns: 1fr; }
  .tools-result-thumb img { max-height: 240px; justify-self: center; }
}
.tools-result .row {
  display: grid; grid-template-columns: 160px 1fr auto;
  gap: 0.75rem 1rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--ga-border);
  align-items: start;
}
.tools-result .row:first-of-type { border-top: 0; }
.tools-result .row .field-label {
  font-family: var(--tools-display);
  font-size: 1rem; color: var(--ga-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tools-result .row .field-value { color: var(--ga-fg); font-size: 0.95rem; line-height: 1.55; word-break: break-word; }
.tools-result .row .field-copy {
  border: 1px solid var(--ga-border);
  background: var(--ga-secondary);
  color: var(--ga-fg);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  cursor: pointer;
  white-space: nowrap;
}
.tools-result .row .field-copy:hover { border-color: var(--ga-primary); color: var(--ga-primary); }

.tools-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tools-tag {
  background: var(--ga-secondary);
  color: var(--ga-fg);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.8rem;
  border: 1px solid var(--ga-border);
}

.tools-swatches { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tools-swatch {
  width: 28px; height: 28px;
  border-radius: 8px;
  border: 1px solid var(--ga-border);
}

.tools-result .downloads {
  margin-top: 1.5rem;
  display: flex; flex-wrap: wrap; gap: 0.75rem;
}
.tools-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--ga-card);
  color: var(--ga-fg);
  border: 1px solid var(--ga-border);
  padding: 0.65rem 1.1rem;
  border-radius: var(--tools-radius-md);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 150ms, transform 150ms;
}
.tools-btn:hover { border-color: var(--ga-primary); color: var(--ga-fg); transform: translateY(-1px); }
.tools-btn.primary {
  background: var(--ga-primary); color: var(--ga-primary-fg); border-color: transparent;
}
.tools-btn.primary:hover { background: var(--ga-primary-glow); color: var(--ga-primary-fg); }

.tools-upgrade {
  display: none;
  background: linear-gradient(
    180deg,
    color-mix(in oklab, var(--ga-primary) 6%, var(--ga-card)),
    var(--ga-card)
  );
  border-color: color-mix(in oklab, var(--ga-primary) 30%, var(--ga-border));
  position: relative;
  overflow: hidden;
}
.tools-upgrade.is-visible { display: block; }
.tools-upgrade::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right,
    color-mix(in oklab, var(--ga-primary) 20%, transparent),
    transparent 60%);
  pointer-events: none;
}
.tools-upgrade > * { position: relative; z-index: 1; }
.tools-upgrade .badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: color-mix(in oklab, var(--ga-primary) 18%, var(--ga-secondary));
  color: var(--ga-fg);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tools-upgrade .badge::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ga-primary);
}
.tools-upgrade h2 {
  margin-top: 0.75rem;
  font-size: clamp(1.5rem, 1.25rem + 1vw, 2rem);
}
.tools-upgrade-bullets {
  list-style: none;
  padding: 0;
  margin: 1rem 0 1.25rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.4rem 1.25rem;
}
.tools-upgrade-bullets li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--ga-fg);
  font-size: 0.95rem;
}
.tools-upgrade-bullets li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--ga-primary);
  font-weight: 700;
}
.tools-upgrade-note {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--ga-muted);
}

.tools-error {
  display: none;
  background: var(--ga-danger-bg);
  color: var(--ga-danger);
  border: 1px solid color-mix(in oklab, var(--ga-danger) 40%, transparent);
  border-radius: var(--tools-radius-md);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  margin-top: 1rem;
}
.tools-error.is-visible { display: block; }

.tools-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ga-border);
  display: flex; flex-wrap: wrap; gap: 1rem;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--ga-muted);
}
.tools-footer a { color: var(--ga-muted); margin-right: 1rem; }
.tools-footer a:hover { color: var(--ga-fg); }

@media (min-width: 768px) {
  .tools-grid { grid-template-columns: 1fr; }
}

/* Fair use page styles */
.tools-prose { max-width: 70ch; }
.tools-prose h2 {
  font-family: var(--tools-display);
  font-weight: 600;
  font-size: 1.35rem;
  margin-top: 2rem;
}
.tools-prose p, .tools-prose li {
  color: var(--ga-fg);
  line-height: 1.7;
}
.tools-prose ul { padding-left: 1.25rem; }