/* Inside the Photo Nebula — plain CSS (no Tailwind, no build step) */

:root {
  --violet-300: #c4b5fd;
  --violet-400: #a78bfa;
  --violet-500: #8b5cf6;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #020208;
  color: #f5f5fa;
  font-family: 'Space Grotesk', 'Inter', ui-sans-serif, system-ui, -apple-system,
    'Segoe UI', sans-serif;
  overflow-x: hidden;
  overscroll-behavior-y: none; /* no rubber-band flash on mobile */
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: rgba(139, 92, 246, 0.4);
}

::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #020208;
}
::-webkit-scrollbar-thumb {
  background: rgba(139, 92, 246, 0.35);
  border-radius: 3px;
}

button {
  font-family: inherit;
}

[hidden] {
  display: none !important;
}

/* ------------------------------------------------------------- layout */

.page {
  position: relative;
  background: #020208;
  height: 620vh; /* scroll runway for the camera flight */
}

#galaxy {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  cursor: crosshair;
  display: block;
  touch-action: pan-y; /* vertical swipes scroll, horizontal drags orbit */
}

body.touch #galaxy {
  cursor: default;
}

.pointer-auto {
  pointer-events: auto;
}

/* ------------------------------------------------------------ overlay */

.overlay {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 30;
  transition: opacity 1s;
}

/* top bar */

.topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1.5rem;
}

.brand {
  user-select: none;
}

.brand-name {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 300;
  letter-spacing: 0.28em;
  color: #fff;
}

.brand-dot {
  color: var(--violet-400);
}

.brand-sub {
  margin: 0.25rem 0 0;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  color: rgba(255, 255, 255, 0.4);
}

.mainnav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-btn {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.2s;
}

.nav-btn:hover {
  color: #fff;
}

.vsep {
  display: none;
  height: 1rem;
  width: 1px;
  background: rgba(255, 255, 255, 0.15);
}

.pill-btn {
  cursor: pointer;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: none;
  padding: 0.25rem 0.75rem;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.6);
  transition:
    border-color 0.2s,
    color 0.2s;
}

.pill-btn:hover {
  border-color: rgba(167, 139, 250, 0.6);
  color: #fff;
}

/* cart */

.cart-wrap {
  position: relative;
}

.cart-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.375rem;
  cursor: pointer;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: none;
  padding: 0.375rem 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  transition:
    border-color 0.2s,
    color 0.2s;
}

.cart-btn:hover {
  border-color: rgba(167, 139, 250, 0.6);
  color: #fff;
}

.cart-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.cart-badge {
  position: absolute;
  top: -0.375rem;
  right: -0.375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 1rem;
  width: 1rem;
  border-radius: 9999px;
  background: var(--violet-500);
  font-size: 9px;
  font-weight: 500;
  color: #fff;
}

.cart-pop {
  position: absolute;
  top: 2.5rem;
  right: 0;
  width: 15rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(167, 139, 250, 0.25);
  background: rgba(0, 0, 0, 0.8);
  padding: 1rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.pop-title {
  margin: 0;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.35em;
  color: rgba(196, 181, 253, 0.8);
}

.pop-body {
  margin: 0.5rem 0 0;
  font-size: 0.75rem;
  line-height: 1.625;
  color: rgba(255, 255, 255, 0.6);
}

/* chapter caption */

.chapter {
  position: absolute;
  bottom: 2.5rem;
  left: 1.5rem;
  max-width: 24rem;
}

.chapter-inner {
  /* hidden until scrolled into view — main.js drives opacity/transform
     every frame for a scroll-triggered entrance from the bottom */
  opacity: 0;
  transform: translateY(56px);
  will-change: transform, opacity;
  text-shadow:
    0 1px 3px rgba(2, 2, 8, 0.95),
    0 4px 28px rgba(2, 2, 8, 0.9),
    0 0 60px rgba(2, 2, 8, 0.8);
}

.kicker {
  margin: 0;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.45em;
  color: rgba(196, 181, 253, 0.8);
}

.chapter-title {
  margin: 0.75rem 0 0;
  font-size: 1.875rem;
  font-weight: 200;
  line-height: 1.25;
  color: #fff;
}

.chapter-body {
  margin: 0.75rem 0 0;
  font-size: 0.875rem;
  line-height: 1.625;
  color: rgba(255, 255, 255, 0.55);
}

.chapter-actions {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn-primary {
  border-radius: 9999px;
  border: 1px solid rgba(167, 139, 250, 0.5);
  background: rgba(139, 92, 246, 0.1);
  padding: 0.5rem 1.25rem;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: #ddd6fe;
  text-decoration: none;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: background 0.2s;
}

.btn-primary:hover {
  background: rgba(139, 92, 246, 0.25);
}

.btn-ghost {
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.5rem 1.25rem;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color 0.2s;
}

.btn-ghost:hover {
  color: #fff;
}

/* empty-archive card */

.empty-archive {
  position: absolute;
  right: 1.5rem;
  bottom: 2.5rem;
  max-width: 20rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(167, 139, 250, 0.25);
  background: rgba(0, 0, 0, 0.6);
  padding: 1rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.empty-archive code {
  border-radius: 0.25rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.125rem 0.25rem;
  font-size: 11px;
  color: #ddd6fe;
}

/* progress rail */

.rail {
  position: absolute;
  top: 50%;
  right: 1.5rem;
  display: none;
  transform: translateY(-50%);
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.rail-dot {
  border-radius: 9999px;
  transition: all 0.5s;
  height: 0.25rem;
  width: 0.25rem;
  background: rgba(255, 255, 255, 0.3);
}

.rail-dot.active {
  height: 1.5rem;
  width: 0.25rem;
  background: var(--violet-400);
}

/* bottom hint */

.hint {
  position: absolute;
  bottom: 1rem;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
}

.hint p {
  margin: 0;
  padding: 0 1rem;
  text-align: center;
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5em;
  color: rgba(255, 255, 255, 0.35);
}

/* ----------------------------------------------------------- lightbox */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: lbFade 0.45s ease both;
}

.lb-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.lb-figure {
  position: relative;
  z-index: 10;
  margin: 0;
  max-width: min(88vw, 860px);
  animation: lbZoom 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.lb-frame {
  overflow: hidden;
  border-radius: 0.375rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 90px rgba(124, 92, 255, 0.35);
}

.lb-frame img {
  display: block;
  max-height: 68vh;
  width: 100%;
  object-fit: cover;
}

.lb-frame video {
  display: block;
  max-height: 68vh;
  width: 100%;
  background: #000;
  object-fit: contain;
}

.lb-caption {
  margin-top: 1rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  color: #fff;
}

.lb-tag {
  margin: 0;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.35em;
  color: rgba(196, 181, 253, 0.8);
}

.lb-title {
  margin: 0.25rem 0 0;
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.025em;
}

.lb-playing {
  margin: 0;
  padding-bottom: 0.25rem;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.5);
}

.lb-close {
  position: absolute;
  top: -0.75rem;
  right: -0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 2.5rem;
  width: 2.5rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.7);
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  cursor: pointer;
  transition:
    transform 0.2s,
    color 0.2s;
}

.lb-close:hover {
  transform: scale(1.1);
  color: #fff;
}

/* ------------------------------------------------------------- loader */

.loader {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #020208;
  transition: opacity 1s;
}

.loader.done {
  opacity: 0;
  pointer-events: none;
}

.loader p {
  margin: 0;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.6em;
  color: rgba(255, 255, 255, 0.6);
}

.loader-bar {
  margin-top: 1.5rem;
  height: 1px;
  width: 10rem;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
}

.loader-bar > div {
  height: 100%;
  width: 50%;
  background: var(--violet-400);
  animation: loadSlide 1.2s ease-in-out infinite;
}

/* --------------------------------------------------------- animations */

@keyframes lbFade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes lbZoom {
  from {
    opacity: 0;
    transform: scale(0.86) translateY(16px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes capIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes loadSlide {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(300%);
  }
}

@keyframes pulse {
  50% {
    opacity: 0.5;
  }
}

/* touch devices: no hover feedback, larger comfortable tap areas */
@media (hover: none) {
  .nav-btn:hover,
  .pill-btn:hover,
  .cart-btn:hover,
  .btn-primary:hover,
  .btn-ghost:hover,
  .lb-close:hover {
    color: inherit;
    border-color: inherit;
    background: inherit;
    transform: none;
  }
}

/* ------------------------------------------------------ medium screens */

@media (min-width: 768px) {
  .topbar {
    padding: 2rem;
  }

  .vsep {
    display: block;
  }

  .chapter {
    bottom: 3.5rem;
    left: 2.5rem;
  }

  .chapter-title {
    font-size: 2.25rem;
  }

  .empty-archive {
    right: 2.5rem;
    bottom: 3.5rem;
  }

  .rail {
    display: flex;
  }
}

/* ------------------------------------------- phones & small tablets */

@media (max-width: 767px) {
  /* compact top bar — nav wraps under the brand, never overlaps it */
  .topbar {
    padding: 0.9rem 1rem;
    padding-top: max(0.9rem, env(safe-area-inset-top));
    flex-direction: column;
    gap: 0.7rem;
  }

  .brand-name {
    font-size: 0.95rem;
  }

  .brand-sub {
    font-size: 9px;
    letter-spacing: 0.3em;
  }

  .mainnav {
    flex-wrap: wrap;
    gap: 0.5rem 0.9rem;
    row-gap: 0.5rem;
  }

  .nav-btn {
    font-size: 10px;
    letter-spacing: 0.22em;
    padding: 0.35rem 0; /* bigger tap target */
  }

  .pill-btn {
    font-size: 10px;
    padding: 0.35rem 0.7rem; /* >= ~34px tall tap target */
  }

  .cart-btn {
    padding: 0.4rem 0.7rem;
  }

  .cart-label {
    display: none; /* icon only, saves a row */
  }

  .cart-pop {
    position: fixed; /* escape the wrapping nav row */
    top: auto;
    right: 1rem;
    left: 1rem;
    width: auto;
    margin-top: 0.5rem;
  }

  /* chapter caption fits beside nothing on narrow screens */
  .chapter {
    left: 1rem;
    right: 1rem;
    bottom: 4.25rem;
    max-width: none;
  }

  .chapter-title {
    font-size: 1.4rem;
    margin-top: 0.5rem;
  }

  .chapter-body {
    font-size: 0.8rem;
    margin-top: 0.5rem;
  }

  .empty-archive {
    left: 1rem;
    right: 1rem;
    bottom: 4.25rem;
    max-width: none;
  }

  /* hint: smaller type so it never wraps into the caption */
  .hint {
    bottom: 0.75rem;
    bottom: max(0.75rem, env(safe-area-inset-bottom));
  }

  .hint p {
    font-size: 8px;
    letter-spacing: 0.3em;
    line-height: 1.9;
  }

  /* lightbox: nearly full width, caption stacks, close button inside */
  .lightbox {
    padding: 0.75rem;
  }

  .lb-figure {
    max-width: 94vw;
  }

  .lb-frame img,
  .lb-frame video {
    max-height: 62vh;
  }

  .lb-caption {
    gap: 0.75rem;
    margin-top: 0.75rem;
  }

  .lb-title {
    font-size: 1.2rem;
  }

  .lb-close {
    top: 0.5rem;
    right: 0.5rem;
    height: 2.25rem;
    width: 2.25rem;
  }

  .loader p {
    font-size: 0.7rem;
    letter-spacing: 0.45em;
    padding: 0 1rem;
    text-align: center;
  }
}

/* very small phones */
@media (max-width: 380px) {
  .chapter-title {
    font-size: 1.2rem;
  }

  .chapter-body {
    font-size: 0.75rem;
  }
}

/* short landscape phones — keep the caption from swallowing the galaxy */
@media (max-height: 480px) and (orientation: landscape) {
  .chapter {
    bottom: 2.75rem;
    max-width: 19rem;
  }

  .chapter-title {
    font-size: 1.1rem;
  }

  .chapter-body {
    font-size: 0.7rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .topbar {
    padding: 0.6rem 1rem;
    gap: 0.4rem;
  }
}