@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --white: #ffffff;
  --off-white: #fafafa;
  --light-gray: #f0f0f0;
  --mid-gray: #999999;
  --dark-gray: #2a2a2a;
  --near-black: #1a1a1a;
  --accent: #3a3a3a;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--dark-gray);
  background: var(--white);
  line-height: 1.7;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- AUTH SCREENS ---- */

.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

.auth-box {
  width: 100%;
  max-width: 340px;
  padding: 0 2rem;
}

.auth-box h1 {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 0.5rem;
  text-align: center;
}

.auth-subtitle {
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--mid-gray);
  text-align: center;
  margin-bottom: 2rem;
}

.auth-box form {
  display: flex;
  flex-direction: column;
}

.auth-box label {
  display: block;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 0.4rem;
}

.auth-box label + label {
  margin-top: 0.25rem;
}

.auth-box input {
  display: block;
  width: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--dark-gray);
  border: 1px solid var(--light-gray);
  border-radius: 0;
  padding: 0.7rem 0.75rem;
  margin-bottom: 1.25rem;
  outline: none;
  transition: border-color 0.3s ease;
  background: var(--white);
  -webkit-appearance: none;
}

.auth-box input:focus {
  border-color: var(--mid-gray);
}

.auth-box button {
  display: block;
  width: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--dark-gray);
  border: none;
  border-radius: 0;
  padding: 0.9rem;
  margin-top: 0.25rem;
  cursor: pointer;
  transition: background 0.3s ease;
  -webkit-appearance: none;
}

.auth-box button:hover {
  background: var(--near-black);
}

.auth-error {
  font-size: 0.8rem;
  font-weight: 300;
  color: #c0392b;
  margin-bottom: 1rem;
  text-align: center;
}

.auth-success {
  font-size: 0.8rem;
  font-weight: 300;
  color: #27ae60;
  margin-bottom: 1rem;
  text-align: center;
}

.auth-link {
  display: block;
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--mid-gray);
  text-decoration: none;
  transition: color 0.3s ease;
}

.auth-link:hover {
  color: var(--near-black);
}

/* ---- NAV ---- */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--light-gray);
}

.site-nav .nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-nav .nav-parent {
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mid-gray);
  text-decoration: none;
  margin-right: 1.5rem;
  padding-right: 1.5rem;
  border-right: 1px solid var(--light-gray);
  transition: color 0.3s ease;
}

.site-nav .nav-parent:hover {
  color: var(--near-black);
}

.site-nav .site-title {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--near-black);
  text-decoration: none;
}

.site-nav .nav-left {
  display: flex;
  align-items: center;
}

.site-nav .nav-user {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-nav .nav-admin {
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid-gray);
  text-decoration: none;
  transition: color 0.3s ease;
}

.site-nav .nav-admin:hover {
  color: var(--near-black);
}

.site-nav .nav-logout {
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid-gray);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.3s ease;
}

.site-nav .nav-logout:hover {
  color: var(--near-black);
}

.inline-form {
  display: inline;
}

/* ---- LAYOUT ---- */

.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.hero-spacer {
  height: 4rem;
}

/* ---- COLLECTION INDEX ---- */

.collection-header {
  text-align: center;
  padding: 2rem 0 2rem;
}

.collection-header h1 {
  font-size: 2.25rem;
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--near-black);
  margin-bottom: 1rem;
}

.collection-header .subtitle {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mid-gray);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  padding-bottom: 6rem;
}

.work-card {
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform 0.3s ease;
}

.work-card:hover {
  transform: translateY(-4px);
}

.work-card .card-image {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--off-white);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.work-card .card-image img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform 0.5s ease;
}

.work-card:hover .card-image img {
  transform: scale(1.05);
}

.work-card .card-info {
  padding: 1.5rem 0;
}

.work-card .card-info .card-category {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 0.5rem;
}

.work-card .card-info h2 {
  font-size: 1rem;
  font-weight: 500;
  color: var(--near-black);
  margin-bottom: 0.4rem;
}

.work-card .card-info .card-date {
  font-size: 0.8rem;
  color: var(--mid-gray);
  font-weight: 300;
}

.work-card .card-info .card-artist {
  font-size: 0.8rem;
  color: var(--mid-gray);
  font-weight: 300;
  font-style: italic;
  margin-bottom: 0.2rem;
}

.work-card.is-placeholder {
  opacity: 0.7;
}

.badge-placeholder {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid-gray);
  border: 1px solid var(--light-gray);
  padding: 0.2rem 0.5rem;
  margin-top: 0.5rem;
}

.placeholder-banner {
  background: var(--off-white);
  border: 1px solid var(--light-gray);
  color: var(--mid-gray);
  text-align: center;
  padding: 0.75rem;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.work-card .card-image.no-image {
  color: var(--mid-gray);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.no-image-message {
  color: var(--mid-gray);
  font-size: 0.8rem;
  padding: 4rem 0;
  text-align: center;
}

/* ---- DETAIL PAGES ---- */

.detail-hero {
  padding: 1.5rem 0 0.75rem;
}

.detail-hero .breadcrumb {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 0.75rem;
}

.detail-hero .breadcrumb a {
  color: var(--mid-gray);
  text-decoration: none;
  transition: color 0.3s ease;
}

.detail-hero .breadcrumb a:hover {
  color: var(--near-black);
}

.detail-hero h1 {
  font-size: 2rem;
  font-weight: 300;
  color: var(--near-black);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.detail-hero .detail-date {
  font-size: 1rem;
  color: var(--mid-gray);
  font-weight: 300;
}

.detail-hero .detail-artist {
  font-size: 1rem;
  color: var(--mid-gray);
  font-weight: 300;
  font-style: italic;
}

.detail-hero .edit-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid-gray);
  text-decoration: none;
  border: 1px solid var(--light-gray);
  padding: 0.3rem 0.75rem;
  transition: all 0.3s ease;
}

.detail-hero .edit-link:hover {
  color: var(--near-black);
  border-color: var(--mid-gray);
}

.detail-nav .nav-next {
  text-align: right;
}

.gallery {
  margin: 1rem 0;
}

.gallery-main {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  max-height: 70vh;
}

.gallery-main img {
  max-width: 100%;
  max-height: 65vh;
  width: auto;
  height: auto;
  object-fit: contain;
}

.gallery-thumbs {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
  justify-content: center;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.gallery-thumbs img {
  height: 80px;
  width: auto;
  object-fit: contain;
  background: var(--off-white);
  padding: 0.4rem;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.3s ease;
  flex-shrink: 0;
}

.gallery-thumbs img:hover {
  opacity: 0.8;
}

.gallery-thumbs img.active {
  opacity: 1;
  outline: 2px solid var(--dark-gray);
  outline-offset: -2px;
}

.detail-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  padding: 2rem 0 4rem;
}

.section-label {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--light-gray);
}

.detail-text {
  margin-bottom: 2.5rem;
}

.detail-text p {
  font-size: 0.95rem;
  margin-bottom: 1rem;
  color: var(--dark-gray);
}

.specs-table {
  width: 100%;
  margin-bottom: 2.5rem;
}

.specs-table .spec-row {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--light-gray);
  font-size: 0.85rem;
}

.specs-table .spec-row:last-child {
  border-bottom: none;
}

.spec-label {
  color: var(--mid-gray);
  font-weight: 400;
}

.spec-value {
  color: var(--dark-gray);
  font-weight: 400;
  text-align: right;
}

.provenance-list {
  list-style: none;
  margin-bottom: 2.5rem;
}

.provenance-list li {
  font-size: 0.85rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--light-gray);
  color: var(--dark-gray);
}

.provenance-list li:last-child {
  border-bottom: none;
}

.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;
}

/* ---- FOOTER ---- */

footer {
  border-top: 1px solid var(--light-gray);
  padding: 2.5rem 0;
  text-align: center;
}

footer p {
  font-size: 0.7rem;
  color: var(--mid-gray);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---- DETAIL NAV (prev/next) ---- */

.detail-nav {
  display: flex;
  justify-content: space-between;
  padding: 3rem 0;
  border-top: 1px solid var(--light-gray);
  margin-top: 2rem;
}

.detail-nav a {
  text-decoration: none;
  color: var(--mid-gray);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.detail-nav a:hover {
  color: var(--near-black);
}

.detail-nav .nav-label {
  display: block;
  font-size: 0.65rem;
  margin-bottom: 0.25rem;
  color: var(--mid-gray);
}

.detail-nav .nav-title {
  color: var(--dark-gray);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}

/* ---- ADMIN PANEL ---- */

.admin-page h1 {
  font-size: 1.75rem;
  font-weight: 300;
  color: var(--near-black);
  margin-bottom: 2rem;
  padding-top: 1.5rem;
}

.admin-page h2 {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 1rem;
}

.admin-section {
  margin-bottom: 3rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.admin-table th {
  text-align: left;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid-gray);
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--light-gray);
}

.admin-table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--light-gray);
  color: var(--dark-gray);
}

.admin-table a {
  color: var(--dark-gray);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.btn-primary {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--dark-gray);
  border: none;
  padding: 0.6rem 1.25rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.3s ease;
}

.btn-primary:hover {
  background: var(--near-black);
}

.btn-danger {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 400;
  color: #c0392b;
  background: none;
  border: 1px solid #c0392b;
  padding: 0.3rem 0.75rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-danger:hover {
  background: #c0392b;
  color: var(--white);
}

.admin-msg {
  background: var(--off-white);
  border: 1px solid var(--light-gray);
  color: var(--dark-gray);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
  margin-top: 1.5rem;
}

.admin-form {
  max-width: 640px;
}

.admin-form label {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 0.35rem;
  margin-top: 1rem;
}

.admin-form label:first-of-type {
  margin-top: 0;
}

.admin-form input[type="text"],
.admin-form input[type="email"],
.admin-form input[type="password"],
.admin-form textarea,
.admin-form select {
  width: 100%;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--dark-gray);
  border: 1px solid var(--light-gray);
  padding: 0.65rem 0.75rem;
  margin-bottom: 0.5rem;
  outline: none;
  transition: border-color 0.3s ease;
  background: var(--white);
}

.admin-form input:focus,
.admin-form textarea:focus,
.admin-form select:focus {
  border-color: var(--mid-gray);
}

.admin-form textarea {
  resize: vertical;
  line-height: 1.6;
}

.admin-form select {
  appearance: auto;
}

.admin-form .btn-primary {
  margin-top: 1.5rem;
}

.admin-form fieldset {
  border: none;
  padding: 0;
  margin: 2rem 0 0;
}

.admin-form fieldset:first-of-type {
  margin-top: 0;
}

.admin-form legend {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mid-gray);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--light-gray);
  width: 100%;
  margin-bottom: 1rem;
}

.field-help {
  font-size: 0.75rem;
  color: var(--mid-gray);
  margin-bottom: 0.75rem;
}

.repeatable-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.repeatable-row input {
  flex: 1;
}

.checkbox-label {
  display: flex !important;
  align-items: center;
  gap: 0.5rem;
  text-transform: none !important;
  letter-spacing: 0 !important;
  font-size: 0.85rem !important;
  font-weight: 300 !important;
  color: var(--dark-gray) !important;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.back-link {
  display: inline-block;
  margin-top: 2rem;
  margin-bottom: 3rem;
  font-size: 0.75rem;
  color: var(--mid-gray);
  text-decoration: none;
  transition: color 0.3s ease;
}

.back-link:hover {
  color: var(--near-black);
}

.edit-form {
  max-width: 800px;
}

/* ---- IMAGE ZOOM ---- */

.gallery-main.zoomable {
  cursor: zoom-in;
  overflow: hidden;
  position: relative;
}

.gallery-main.zoomed {
  cursor: grab;
}

.gallery-main.dragging {
  cursor: grabbing;
}

.gallery-main.zoomed img {
  will-change: transform;
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;
}

.gallery-main.zoomed::after {
  content: 'Click to reset';
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  background: rgba(0, 0, 0, 0.5);
  padding: 0.35rem 0.75rem;
  pointer-events: none;
  z-index: 10;
}

/* ---- RESPONSIVE ---- */

@media (max-width: 768px) {
  .site-nav .nav-inner {
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
    gap: 0.25rem;
  }

  .site-nav .site-title {
    font-size: 0.65rem;
  }

  .page-container {
    padding: 0 1rem;
  }

  .hero-spacer {
    height: 3.5rem;
  }

  .collection-header {
    padding: 1.5rem 0 1.5rem;
  }

  .collection-header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
  }

  .work-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding-bottom: 2rem;
  }

  .work-card .card-image {
    padding: 1.25rem;
    aspect-ratio: 4 / 3;
  }

  .work-card .card-info {
    padding: 1rem 0;
  }

  .work-card:hover {
    transform: none;
  }

  .detail-hero {
    padding: 1rem 0 0.5rem;
  }

  .detail-hero h1 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
  }

  .detail-hero .detail-date {
    font-size: 0.85rem;
  }

  .gallery {
    margin: 0.75rem 0;
  }

  .gallery-main {
    min-height: 200px;
    max-height: 50vh;
  }

  .gallery-main img {
    max-height: 45vh;
  }

  .gallery-thumbs {
    justify-content: flex-start;
    gap: 0.4rem;
  }

  .gallery-thumbs img {
    height: 56px;
    padding: 0.3rem;
  }

  .detail-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.5rem 0 2rem;
  }

  .detail-text {
    margin-bottom: 1.5rem;
  }

  .detail-text p {
    font-size: 0.9rem;
  }

  .specs-table .spec-row {
    font-size: 0.8rem;
    padding: 0.5rem 0;
  }

  .provenance-list li {
    font-size: 0.8rem;
    padding: 0.5rem 0;
  }

  .detail-nav {
    flex-direction: column;
    gap: 1.25rem;
    padding: 2rem 0;
    margin-top: 1rem;
  }

  footer {
    padding: 1.5rem 0;
  }

  .auth-box {
    padding: 0 1.5rem;
  }

  .admin-table {
    font-size: 0.8rem;
  }

  .admin-table th,
  .admin-table td {
    padding: 0.5rem;
  }

  .repeatable-row {
    flex-direction: column;
    gap: 0.25rem;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}

@media (max-width: 380px) {
  .site-nav .nav-inner {
    flex-direction: column;
    gap: 0.35rem;
  }

  .detail-hero h1 {
    font-size: 1.1rem;
  }

  .collection-header h1 {
    font-size: 1.25rem;
  }

  .gallery-thumbs img {
    height: 48px;
  }
}