/* ==========================================================================
   lightbox.css
   MR. MA RENOVATION - Image slider and lightbox styles (Stage 6)
   Depends on: tokens.css, base.css, layout.css, components.css
   Used with: slider.js, lightbox.js, gallery-init.js
   ========================================================================== */

/* ==========================================================================
   SLIDER
   ========================================================================== */
.slider {
  position: relative;
}

.slider__viewport {
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: var(--color-sand);
}

.slider__track {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
  transition: transform 450ms ease;
}

.slider__slide {
  flex: 0 0 100%;
  min-width: 0;
}

/* The photo button (opens the lightbox) */
.slider__open {
  display: block;
  position: relative;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.slider__image {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

@media (min-width: 1024px) {
  .slider__image {
    aspect-ratio: 16 / 9;
  }
}

.slider__caption {
  margin: 0;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-small);
  color: var(--color-slate);
  background-color: var(--color-white);
}

/* ---------- Previous / Next buttons ---------- */
.slider__btn {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target);
  height: var(--touch-target);
  padding: 0;
  border: 0;
  border-radius: 50%;
  background-color: rgba(15, 27, 45, 0.78);
  color: var(--color-white);
  cursor: pointer;
  transform: translateY(-50%);
  transition: background-color var(--transition);
}

.slider__btn:hover {
  background-color: var(--color-copper);
}

.slider__btn--prev {
  left: var(--space-3);
}

.slider__btn--next {
  right: var(--space-3);
}

.slider__btn svg {
  width: 1.4rem;
  height: 1.4rem;
}

/* ---------- Dots ---------- */
.slider__dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-1);
  margin: var(--space-3) 0 0;
  padding: 0;
  list-style: none;
}

/* Each dot is a 44px tap area with a small dot drawn inside */
.slider__dot {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target);
  height: var(--touch-target);
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.slider__dot::before {
  content: "";
  display: block;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background-color: var(--color-sand);
  border: 2px solid var(--color-copper);
  transition: background-color var(--transition), transform var(--transition);
}

.slider__dot[aria-current="true"]::before {
  background-color: var(--color-copper);
  transform: scale(1.2);
}

/* Slider status text, read by screen readers only */
.slider__status {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Hidden slides must not be reachable with the keyboard */
.slider__slide[aria-hidden="true"] .slider__open {
  visibility: hidden;
}

/* ==========================================================================
   LIGHTBOX (full screen photo viewer)
   ========================================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background-color: rgba(10, 16, 28, 0.94);
}

.lightbox.is-open {
  display: flex;
}

.lightbox__figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  max-width: 100%;
  margin: 0;
}

.lightbox__image {
  display: block;
  max-width: 100%;
  max-height: 78vh;
  width: auto;
  height: auto;
  border-radius: var(--radius-sm);
  background-color: var(--color-charcoal);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.lightbox__caption {
  max-width: 44rem;
  margin: 0;
  text-align: center;
  font-size: var(--text-small);
  color: rgba(255, 255, 255, 0.9);
}

.lightbox__counter {
  margin: 0;
  font-size: var(--text-small);
  color: var(--color-gold);
}

/* ---------- Lightbox buttons ---------- */
.lightbox__btn {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target);
  height: var(--touch-target);
  padding: 0;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  background-color: rgba(15, 27, 45, 0.85);
  color: var(--color-white);
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition);
}

.lightbox__btn:hover {
  background-color: var(--color-copper);
  border-color: var(--color-copper);
}

.lightbox__btn svg {
  width: 1.4rem;
  height: 1.4rem;
}

.lightbox__btn--close {
  top: var(--space-3);
  right: var(--space-3);
}

.lightbox__btn--prev {
  top: 50%;
  left: var(--space-3);
  transform: translateY(-50%);
}

.lightbox__btn--next {
  top: 50%;
  right: var(--space-3);
  transform: translateY(-50%);
}

/* Single-photo mode: arrows and counter are hidden */
.lightbox.is-single .lightbox__btn--prev,
.lightbox.is-single .lightbox__btn--next,
.lightbox.is-single .lightbox__counter {
  display: none;
}

/* Page behind the lightbox must not scroll */
body.lightbox-open {
  overflow: hidden;
}

/* Photos that open in the lightbox (services page, later) */
[data-lightbox] {
  cursor: zoom-in;
}

/* ==========================================================================
   REDUCED MOTION
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .slider__track {
    transition: none;
  }

  .slider__dot::before,
  .lightbox__btn,
  .slider__btn {
    transition: none;
  }
}