:root {
  --bg: #ffffff;
  --ink: #141414;
  --ink-secondary: #6b6b6b;
  --ink-muted: #a0a0a0;
  --rule: #eaeaea;
  --rule-focus: #141414;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   Public Exhibition Layout
   ========================================================================== */

.page-shell {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 5.5rem 2.5rem 7rem;
  flex: 1;
}

.artist-header {
  margin-bottom: 6.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 860px) {
  .artist-header {
    grid-template-columns: minmax(280px, 1fr) minmax(340px, 560px);
    align-items: baseline;
    gap: 4rem;
  }
}

.artist-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 4.5vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.artist-bio {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.2rem, 1.6vw, 1.4rem);
  line-height: 1.6;
  color: var(--ink-secondary);
  max-width: 56ch;
}

/* Exhibition Grid */

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  row-gap: 6.5rem;
  column-gap: 4.5rem;
}

@media (min-width: 820px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    align-items: start;
  }
}

.artwork-item {
  display: flex;
  flex-direction: column;
}

.artwork-stage {
  width: 100%;
  background-color: var(--bg);
  margin-bottom: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.artwork-image {
  display: block;
  width: 100%;
  max-height: 640px;
  height: auto;
  object-fit: contain;
  transition: opacity 0.25s ease;
}

.artwork-stage:hover .artwork-image {
  opacity: 0.94;
}

.artwork-placard {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.5rem;
  padding-top: 0.25rem;
}

.artwork-meta-primary {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.artwork-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.5rem;
  line-height: 1.25;
  color: var(--ink);
}

.artwork-dimensions {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 0.85rem;
  color: var(--ink-secondary);
  font-variant-numeric: tabular-nums;
}

.artwork-meta-secondary {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
  text-align: right;
  flex-shrink: 0;
}

.artwork-price {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.925rem;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.artwork-action-btn {
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
  cursor: pointer;
}

.artwork-action-btn:hover {
  color: var(--ink-secondary);
}

.artwork-status-label {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--ink-muted);
}

/* Inline Reservation Form Drawer */

.reservation-drawer {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.reservation-drawer[hidden] {
  display: none;
}

.reservation-heading {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: 1.25rem;
  color: var(--ink);
}

.form-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field-label {
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--ink-secondary);
}

.text-input,
.text-area,
.select-input {
  width: 100%;
  background-color: var(--bg);
  color: var(--ink);
  border: 1px solid var(--rule);
  padding: 0.65rem 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 300;
  border-radius: 0;
  outline: none;
  transition: border-color 0.15s ease;
}

.text-input:focus,
.text-area:focus,
.select-input:focus {
  border-color: var(--rule-focus);
}

.text-area {
  resize: vertical;
  min-height: 76px;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.btn-primary {
  background-color: var(--ink);
  color: var(--bg);
  border: 1px solid var(--ink);
  padding: 0.65rem 1.35rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 400;
  cursor: pointer;
}

.btn-primary:hover {
  opacity: 0.86;
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: default;
}

.btn-text {
  background: none;
  border: none;
  padding: 0.4rem 0;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--ink-secondary);
  cursor: pointer;
}

.btn-text:hover {
  color: var(--ink);
}

.feedback-note {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--ink);
  padding: 1rem 0 0.25rem;
}

.error-note {
  font-size: 0.85rem;
  color: var(--ink);
  padding-top: 0.25rem;
}

/* Empty State */

.empty-gallery {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--ink-secondary);
  padding: 4rem 0;
}

/* Footer */

.site-footer {
  margin-top: 8rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--ink-secondary);
  font-weight: 300;
}

.site-footer a {
  color: var(--ink-secondary);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--ink);
}

/* Lightbox Overlay */

.lightbox {
  position: fixed;
  inset: 0;
  background-color: var(--bg);
  z-index: 100;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.5rem;
}

.lightbox[hidden] {
  display: none;
}

.lightbox-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.lightbox-caption {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--ink);
}

.lightbox-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 2rem 0;
}

.lightbox-img {
  max-width: 100%;
  max-height: 82vh;
  object-fit: contain;
}

/* ==========================================================================
   Admin Interface (/admin)
   ========================================================================== */

.admin-shell {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
}

.admin-login-box {
  max-width: 380px;
  margin: 8rem auto;
}

.admin-topbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.5rem;
  padding-bottom: 2rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--rule);
}

.admin-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 2.25rem;
}

.admin-nav {
  display: flex;
  gap: 1.75rem;
  align-items: baseline;
}

.admin-section {
  margin-bottom: 4.5rem;
}

.admin-section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--rule);
}

.admin-section-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.65rem;
}

.save-indicator {
  font-size: 0.8rem;
  color: var(--ink-secondary);
}

/* Dropzone for bulk photo upload */

.upload-dropzone {
  border: 1px dashed var(--ink-muted);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  margin-bottom: 2.5rem;
  background-color: var(--bg);
  transition: border-color 0.15s ease;
}

.upload-dropzone:hover,
.upload-dropzone.dragover {
  border-color: var(--ink);
}

.upload-dropzone-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  margin-bottom: 0.35rem;
}

.upload-dropzone-sub {
  font-size: 0.85rem;
  color: var(--ink-secondary);
  font-weight: 300;
}

/* Admin Paintings List */

.admin-paintings-list {
  display: flex;
  flex-direction: column;
}

.admin-painting-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1.75rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}

@media (min-width: 860px) {
  .admin-painting-row {
    grid-template-columns: 120px 1.4fr 1fr 1fr 150px 80px auto;
    align-items: center;
    gap: 1.25rem;
  }
}

.admin-thumb-wrap {
  width: 110px;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--rule);
  background: var(--bg);
}

.admin-thumb {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Reservations Table */

.reservations-list {
  display: flex;
  flex-direction: column;
}

.reservation-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--rule);
}

@media (min-width: 820px) {
  .reservation-row {
    grid-template-columns: 72px 1.2fr 1.4fr 1.4fr auto;
    align-items: center;
    gap: 1.5rem;
  }
}

.reservation-meta {
  font-size: 0.85rem;
  color: var(--ink-secondary);
  font-weight: 300;
}

.reservation-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: flex-end;
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  max-width: 640px;
}

@media (max-width: 640px) {
  .page-shell {
    padding: 3rem 1.35rem 4.5rem;
  }
  .artist-header {
    margin-bottom: 4rem;
    padding-bottom: 2.25rem;
  }
  .gallery-grid {
    row-gap: 4.25rem;
  }
}