/* ---------------------------------------------------------------------
   Image Engine — orient-luxury design system
   Near-black + grain, gold accent stack, dark default / light toggle.
   Fonts: Cinzel (display), Cormorant Garamond (body), Syne (UI labels),
   IBM Plex Mono (data/numerical values).
--------------------------------------------------------------------- */

:root {
  --ol-bg: #09080b;
  --ol-bg-elevated: #131015;
  --ol-bg-card: #16121a;
  --ol-border: #2a2530;
  --ol-text: #f1ece1;
  --ol-text-dim: #a89e9c;
  --ol-gold: #c9a84c;
  --ol-gold-soft: rgba(201, 168, 76, 0.14);
  --ol-danger: #c9634b;
  --ol-radius: 10px;
  --ol-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  --ol-font-display: 'Cinzel', 'Georgia', serif;
  --ol-font-body: 'Cormorant Garamond', 'Georgia', serif;
  --ol-font-ui: 'Syne', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ol-font-mono: 'IBM Plex Mono', 'Courier New', monospace;
}

html[data-theme="light"] {
  --ol-bg: #f0ebe0;
  --ol-bg-elevated: #fbf8f2;
  --ol-bg-card: #fbf8f2;
  --ol-border: #ddd2b8;
  --ol-text: #241f18;
  --ol-text-dim: #6b6152;
  --ol-gold: #8a6820;
  --ol-gold-soft: rgba(138, 104, 32, 0.12);
  --ol-shadow: 0 10px 24px rgba(60, 50, 30, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100vh;
}

body {
  background: var(--ol-bg);
  color: var(--ol-text);
  font-family: var(--ol-font-body);
  font-size: 17px;
  transition: background-color 0.25s ease, color 0.25s ease;
  position: relative;
}

/* Grain overlay: SVG feTurbulence noise, soft-light blend, sits above content. */
.ol-grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.06;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 240px 240px;
}

html[data-theme="light"] .ol-grain {
  opacity: 0.045;
  mix-blend-mode: multiply;
}

/* ---------------------------------------------------------------------
   Header / brand
--------------------------------------------------------------------- */

.ie-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 30px 40px 14px;
}

.ie-brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--ol-font-display);
}

.ie-brand-mark {
  color: var(--ol-gold);
  font-size: 18px;
}

.ie-brand-name {
  font-size: 24px;
  letter-spacing: 0.04em;
}

.ie-theme-toggle {
  background: var(--ol-bg-elevated);
  border: 1px solid var(--ol-border);
  color: var(--ol-text);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s ease, transform 0.15s ease;
}

.ie-theme-toggle:hover {
  border-color: var(--ol-gold);
  transform: translateY(-1px);
}

/* ---------------------------------------------------------------------
   Tabs
--------------------------------------------------------------------- */

.ie-tabs {
  display: flex;
  gap: 4px;
  padding: 0 40px;
  border-bottom: 1px solid var(--ol-border);
}

.ie-tab {
  background: none;
  border: none;
  color: var(--ol-text-dim);
  padding: 14px 18px;
  font-size: 14px;
  font-family: var(--ol-font-ui);
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ie-tab.active {
  color: var(--ol-text);
}

.ie-tab.active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: -1px;
  height: 2px;
  background: var(--ol-gold);
}

.ie-tab-count {
  background: var(--ol-gold-soft);
  color: var(--ol-gold);
  font-family: var(--ol-font-mono);
  font-size: 11px;
  padding: 1px 8px;
  border-radius: 999px;
  min-width: 18px;
  text-align: center;
}

/* ---------------------------------------------------------------------
   Layout
--------------------------------------------------------------------- */

main {
  padding: 32px 40px 60px;
  max-width: 980px;
  margin: 0 auto;
}

.ie-panel[hidden] {
  display: none;
}

.ie-search-form {
  display: flex;
  gap: 16px;
  align-items: flex-end;
  flex-wrap: wrap;
  background: var(--ol-bg-elevated);
  border: 1px solid var(--ol-border);
  border-radius: var(--ol-radius);
  padding: 20px;
  margin-bottom: 24px;
  box-shadow: var(--ol-shadow);
}

.ie-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 160px;
}

.ie-field-number {
  flex: 0 0 150px;
}

.ie-field label {
  font-family: var(--ol-font-ui);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--ol-text-dim);
}

.ie-field input {
  background: var(--ol-bg);
  border: 1px solid var(--ol-border);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--ol-text);
  font-family: var(--ol-font-mono);
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s ease;
}

.ie-field input:focus {
  border-color: var(--ol-gold);
}

.ie-btn-primary {
  background: var(--ol-gold);
  color: #16130c;
  border: none;
  border-radius: 6px;
  padding: 11px 26px;
  font-family: var(--ol-font-ui);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.15s ease;
}

.ie-btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.ie-btn-primary:disabled {
  opacity: 0.6;
  cursor: default;
  transform: none;
}

.ie-status {
  color: var(--ol-text-dim);
  font-family: var(--ol-font-ui);
  font-size: 13.5px;
  padding: 8px 2px 16px;
}

.ie-status.error {
  color: var(--ol-danger);
}

/* ---------------------------------------------------------------------
   Cards
--------------------------------------------------------------------- */

.ie-card-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ie-card {
  display: flex;
  gap: 20px;
  align-items: stretch;
  background: var(--ol-bg-card);
  border: 1px solid var(--ol-border);
  border-radius: var(--ol-radius);
  padding: 16px;
  box-shadow: var(--ol-shadow);
  position: relative;
  transition: border-color 0.15s ease;
}

.ie-card:hover {
  border-color: var(--ol-gold);
}

.ie-card-thumb {
  flex: 0 0 160px;
  height: 120px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--ol-bg);
  border: 1px solid var(--ol-border);
  cursor: zoom-in;
}

.ie-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ie-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  min-width: 0;
}

.ie-card-row {
  display: flex;
  gap: 10px;
  font-size: 15px;
  align-items: baseline;
}

.ie-card-row .ie-label {
  font-family: var(--ol-font-ui);
  color: var(--ol-text-dim);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  flex: 0 0 110px;
}

.ie-card-row .ie-value {
  font-family: var(--ol-font-mono);
  font-size: 13.5px;
  color: var(--ol-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ie-card-url {
  color: var(--ol-gold);
  text-decoration: none;
}

.ie-card-url:hover {
  text-decoration: underline;
}

.ie-bookmark-btn {
  flex: 0 0 auto;
  align-self: flex-start;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ol-text-dim);
  padding: 4px;
  transition: color 0.15s ease, transform 0.15s ease;
}

.ie-bookmark-btn:hover {
  color: var(--ol-gold);
  transform: translateY(-1px);
}

.ie-bookmark-btn.active,
.ie-bookmark-btn[aria-pressed="true"] {
  color: var(--ol-gold);
}

.ie-bookmark-btn.active .ie-bookmark-icon,
.ie-bookmark-btn[aria-pressed="true"] .ie-bookmark-icon {
  fill: var(--ol-gold);
}

.ie-bookmark-icon {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linejoin: round;
}

/* ---------------------------------------------------------------------
   Footer / API usage
--------------------------------------------------------------------- */

.ie-footer {
  padding: 20px 40px 40px;
  border-top: 1px solid var(--ol-border);
  max-width: 980px;
  margin: 0 auto;
}

.ie-api-usage {
  font-family: var(--ol-font-mono);
  color: var(--ol-text-dim);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.ie-api-usage strong {
  color: var(--ol-text);
  font-weight: 500;
}

/* ---------------------------------------------------------------------
   Lightbox (signature display element)
--------------------------------------------------------------------- */

.ie-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(4, 3, 5, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.ie-lightbox[hidden] {
  display: none;
}

.ie-lightbox-figure {
  margin: 0;
  max-width: min(90vw, 1000px);
  max-height: 86vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.ie-lightbox-figure img {
  max-width: 100%;
  max-height: 74vh;
  border-radius: 6px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  object-fit: contain;
}

.ie-lightbox-figure figcaption {
  display: flex;
  gap: 16px;
  font-family: var(--ol-font-mono);
  font-size: 12.5px;
  color: #cfc8bd;
}

.ie-lightbox-close,
.ie-lightbox-nav {
  position: absolute;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #f1ece1;
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.ie-lightbox-close:hover,
.ie-lightbox-nav:hover {
  border-color: var(--ol-gold);
  color: var(--ol-gold);
}

.ie-lightbox-close {
  top: 24px;
  right: 28px;
  width: 40px;
  height: 40px;
  font-size: 22px;
}

.ie-lightbox-nav {
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  font-size: 26px;
}

.ie-lightbox-prev {
  left: 24px;
}

.ie-lightbox-next {
  right: 24px;
}

/* ---------------------------------------------------------------------
   Toast
--------------------------------------------------------------------- */

.ie-toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  z-index: 1000;
  background: var(--ol-bg-elevated);
  border: 1px solid var(--ol-gold);
  color: var(--ol-text);
  font-family: var(--ol-font-ui);
  font-size: 13px;
  padding: 10px 20px;
  border-radius: 999px;
  box-shadow: var(--ol-shadow);
}

.ie-toast[hidden] {
  display: none;
}

/* ---------------------------------------------------------------------
   Responsive
--------------------------------------------------------------------- */

@media (max-width: 640px) {
  .ie-header,
  .ie-tabs,
  main,
  .ie-footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .ie-card {
    flex-direction: column;
  }

  .ie-card-thumb {
    flex: 0 0 160px;
    width: 100%;
  }

  .ie-lightbox-nav {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
}