/* image-compressor — site-specific styles.
 * Base chrome (variables, .topbar, .btn, .status, .footer) is provided by /_chrome.css.
 */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.layout {
  display: grid;
  gap: 16px;
  padding: 16px;
  max-width: 1100px;
  margin: 0 auto;
}

@media (min-width: 900px) {
  .layout {
    grid-template-columns: minmax(320px, 1fr) minmax(360px, 1.2fr);
  }
}

.pane {
  background: var(--bg-pane);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.pane-head h2 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2px;
  color: var(--fg-mute);
  text-transform: uppercase;
}

/* ----- Ad slots -------------------------------------------------------- */

.ad-slot {
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: var(--bg-elev);
  color: var(--fg-mute);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.ad-label {
  opacity: 0.55;
}

.ad-leaderboard {
  margin: 12px auto 0;
  max-width: 1068px;
  min-height: 90px;
  width: calc(100% - 32px);
}

.ad-inline {
  min-height: 250px;
  margin-top: 4px;
}

/* ----- Drop-zone ------------------------------------------------------- */

.dropzone {
  position: relative;
  display: block;
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 28px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease;
  background: var(--bg-elev);
}

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

.dropzone.is-active {
  border-color: var(--accent-strong);
  background: color-mix(in srgb, var(--accent) 12%, var(--bg-elev));
}

.dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.dropzone-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  pointer-events: none;
}

.drop-icon {
  width: 48px;
  height: 48px;
  color: var(--accent);
}

.drop-title {
  margin: 4px 0 0;
  font-size: 16px;
  font-weight: 600;
}

.drop-sub {
  margin: 0;
  font-size: 12px;
  color: var(--fg-mute);
}

/* ----- Controls -------------------------------------------------------- */

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  align-items: end;
}

.opt {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--fg-mute);
}

.opt > span {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.opt output {
  font-family: var(--mono);
  color: var(--fg);
  font-weight: 600;
}

.opt input[type="range"] {
  width: 100%;
  accent-color: var(--accent-strong);
}

.opt-toggle {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.opt-toggle input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent-strong);
}

.opt-toggle span small {
  color: var(--fg-mute);
  font-size: 11px;
}

.privacy {
  margin: 0;
  font-size: 12px;
  color: var(--fg-mute);
  padding: 8px 10px;
  background: var(--bg-elev);
  border-left: 3px solid var(--ok);
  border-radius: 4px;
}

.privacy code {
  font-family: var(--mono);
  font-size: 11px;
  background: rgba(255, 255, 255, 0.04);
  padding: 1px 4px;
  border-radius: 3px;
}

/* ----- File list ------------------------------------------------------- */

.file-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 320px;
  overflow-y: auto;
}

.file-list:empty {
  display: none;
}

.file-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 8px 12px;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-elev);
  cursor: pointer;
  font-size: 12px;
}

.file-row.is-selected {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--bg-elev));
}

.file-row.is-error {
  border-color: var(--err);
  background: var(--err-bg);
  color: var(--fg);
}

.file-thumb {
  width: 36px;
  height: 36px;
  object-fit: cover;
  background: var(--bg);
  border-radius: 4px;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.file-meta {
  min-width: 0;
}

.file-name {
  font-family: var(--mono);
  font-size: 12px;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.file-sub {
  font-size: 11px;
  color: var(--fg-mute);
  margin-top: 2px;
}

.file-savings {
  text-align: right;
  font-family: var(--mono);
  font-weight: 600;
  color: var(--ok);
  white-space: nowrap;
}

.file-savings.neg {
  color: var(--warn);
}

.file-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.file-row .btn {
  padding: 4px 8px;
  font-size: 11px;
}

/* ----- Preview --------------------------------------------------------- */

.preview-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.preview-card {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.preview-card figcaption {
  font-size: 12px;
  color: var(--fg-mute);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px;
}

.size-tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg);
}

.preview-frame {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 6px;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-frame img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.preview-meta {
  margin: 0;
  font-size: 11px;
  font-family: var(--mono);
  color: var(--fg-mute);
}

/* ----- Affiliate CTA --------------------------------------------------- */

.affiliate {
  max-width: 1100px;
  margin: 0 auto 16px;
  padding: 0 16px;
}

.aff-inner {
  border: 1px solid var(--border);
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 14%, var(--bg-pane)), var(--bg-pane));
  border-radius: 10px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
}

.aff-inner h3 {
  margin: 0;
  font-size: 15px;
}

.aff-inner p {
  margin: 0;
  font-size: 13px;
  color: var(--fg-mute);
}

.aff-cta {
  margin-top: 6px;
  text-decoration: none;
}

/* ----- About / footer -------------------------------------------------- */

.about {
  max-width: 760px;
  margin: 0 auto 32px;
  padding: 0 16px;
  color: var(--fg-mute);
  font-size: 14px;
  line-height: 1.55;
}

.about h2 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--fg);
  margin-top: 24px;
  margin-bottom: 6px;
}

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

.about ul {
  margin: 0;
  padding-left: 18px;
}