/* ─────────────────────────────────────────────────────────────────────────────
   STUDIO — Architectural Gallery
───────────────────────────────────────────────────────────────────────────── */

/* 1. Reset & Custom Properties
─────────────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #FFFFFF;
  --bg-subtle:   #F7F7F7;
  --ink:         #1A1A1A;
  --ink-soft:    #555555;
  --ink-muted:   #999999;
  --accent:      #1A1A1A;
  --accent-soft: rgba(26, 26, 26, 0.05);
  --line:        #E8E8E8;
  --line-strong: #D4D4D4;
  --danger:      #9B4D3E;
  --success:     #2E6F40;
  --shadow-sm:   none;
  --shadow-md:   none;
  --shadow-lg:   none;
  --radius-sm:   0;
  --radius-md:   0;
  --radius-lg:   0;

  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', 'SF Mono', 'Courier New', monospace;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur:  250ms;
}

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

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

img { display: block; }

button { font-family: inherit; cursor: pointer; }

.hidden { display: none !important; }

/* 2. Typography Utilities
─────────────────────────────────────────────────────────────────────────── */
.t-display {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.t-serif {
  font-family: var(--font-display);
  font-weight: 400;
}

.t-mono {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.t-label {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* 3. Layout
─────────────────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 5rem);
}

main {
  padding-top: 80px;
  min-height: 100vh;
}

/* 4. Header
─────────────────────────────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 5rem);
  background: rgba(255, 255, 255, 0);
  border-bottom: 1px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
}

.header-logo { display: flex; align-items: center; }

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
}

.logo-mark {
  color: var(--ink);
  flex-shrink: 0;
}

.logo-wordmark {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  color: var(--ink);
  text-transform: uppercase;
}

.header-nav {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--dur) var(--ease);
}

.nav-link:hover { color: var(--ink); }
.nav-link:hover::after { width: 100%; }

.nav-btn {
  background: none;
  border: none;
  padding: 0;
}

/* 5. Homepage — Access
─────────────────────────────────────────────────────────────────────────── */
.access-shell {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 0 4rem;
}

.access-card {
  width: min(100%, 520px);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 50%),
    var(--bg-subtle);
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.access-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 1rem;
}

.access-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--ink);
  margin-bottom: 1rem;
}

.access-copy {
  max-width: 28rem;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.access-code-form {
  display: flex;
  gap: 1rem;
  align-items: end;
  flex-wrap: wrap;
}

.access-code-form input {
  flex: 1;
  min-width: 220px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  font-size: 1.05rem;
  padding: 1rem 1.1rem;
}

.access-code-form input:focus {
  outline: none;
  border-color: var(--ink);
}

.view-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  padding-bottom: 0.25rem;
}

.view-btn {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: none;
  border: none;
  color: var(--ink-muted);
  padding: 0;
  position: relative;
  padding-bottom: 3px;
  transition: color var(--dur) var(--ease);
}

.view-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--dur) var(--ease);
}

.view-btn:hover { color: var(--ink); }
.view-btn.active { color: var(--ink); }
.view-btn.active::after { width: 100%; }

.view-divider {
  color: var(--line);
  font-size: 0.9rem;
  line-height: 1;
}

.section-rule {
  height: 1px;
  background: var(--ink);
  margin-bottom: 0;
}

/* Album Index List */
.albums-index { margin-bottom: 6rem; }

.album-row {
  display: grid;
  grid-template-columns: 3.5rem 1fr auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: background var(--dur) var(--ease);
  position: relative;
}

.album-row:hover {
  background: var(--bg-subtle);
  margin: 0 -2rem;
  padding-left: 2rem;
  padding-right: 2rem;
}

.album-row-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  text-align: right;
}

.album-row-name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--ink);
  letter-spacing: -0.01em;
}

.album-row-meta {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  text-align: right;
  white-space: nowrap;
}

/* Album Grid View */
.albums-grid-view {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 2rem 0 6rem;
}

.album-grid-card {
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--dur) var(--ease);
}

.album-grid-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.album-grid-thumb {
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg-subtle);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.album-grid-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur) var(--ease);
}

.album-grid-thumb .thumb-placeholder {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.album-grid-card:hover .album-grid-thumb img {
  transform: scale(1.015);
}

.album-grid-card:hover {
  transform: translateY(-2px);
}

.album-grid-name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 0.25rem;
}

.album-grid-pill {
  border: 1px solid var(--line);
  padding: 0.18rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  flex-shrink: 0;
  background: transparent;
}

.album-grid-desc {
  color: var(--ink-soft);
  line-height: 1.6;
  min-height: 3.2rem;
  margin-bottom: 0.75rem;
}

.album-grid-count {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* 6. Album View — Hero & Meta
─────────────────────────────────────────────────────────────────────────── */
.album-hero {
  padding: clamp(3rem, 8vw, 5rem) 0 2rem;
  max-width: 860px;
}

.album-utility-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 5.25rem;
}

.album-hero-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 1.25rem;
}

.album-hero-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.5rem, 5.5vw, 5rem);
  letter-spacing: -0.03em;
  line-height: 0.95;
  color: var(--ink);
  margin-bottom: 1.5rem;
}

.album-hero-desc {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 560px;
}

.album-meta {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.album-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0 2rem;
  border-right: 1px solid var(--line);
}

.album-meta-item:first-child { padding-left: 0; }
.album-meta-item:last-child { border-right: none; }

.album-meta-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.album-meta-value {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.back-btn {
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color var(--dur) var(--ease);
  margin-bottom: 0;
  position: absolute;
  top: calc(80px + 1.5rem);
}

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

.album-locked {
  margin-top: 5.25rem;
  margin-bottom: -2rem;
  padding: 1.5rem 0 1.5rem;
  max-width: 36rem;
}

.album-locked-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.85rem;
}

.album-locked-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.album-locked-copy {
  max-width: 30rem;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.album-password-form {
  display: flex;
  align-items: end;
  gap: 1rem;
  flex-wrap: wrap;
}

.album-password-form input {
  max-width: 320px;
}

/* 7. Masonry Image Grid
─────────────────────────────────────────────────────────────────────────── */
.images-masonry {
  columns: 3;
  column-gap: 16px;
  padding-bottom: 6rem;
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 16px;
  cursor: pointer;
  position: relative;
}

.masonry-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--dur) var(--ease);
}

.masonry-item:hover img {
  transform: scale(1.01);
}

.image-caption {
  padding: 0.6rem 0 0.4rem;
}

.image-caption-title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.4;
  margin-bottom: 0.2rem;
}

.image-caption-meta {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* Scroll fade-in */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 8. Empty States
─────────────────────────────────────────────────────────────────────────── */
.empty-state {
  padding: 5rem 0;
  color: var(--ink-muted);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
}

/* 9. Lightbox
─────────────────────────────────────────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lb-bg {
  position: absolute;
  inset: 0;
  background: var(--bg);
}

.lb-wrapper {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px clamp(2rem, 8vw, 8rem) 3rem;
  overflow-y: auto;
  transform: scale(0.97);
  transition: transform var(--dur) var(--ease);
}

.lightbox.active .lb-wrapper {
  transform: scale(1);
}

.lb-mat {
  max-width: min(90vw, 1100px);
  width: 100%;
  flex-shrink: 0;
}

.lb-mat img {
  max-height: min(78vh, 860px);
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  transition: opacity 0.15s ease;
}

.lb-info {
  max-width: min(90vw, 1100px);
  width: 100%;
  padding: 0;
  margin-top: 0;
}

.lb-info-divider {
  height: 1px;
  background: var(--line);
  margin-bottom: 1rem;
}

.lb-info-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 0.5rem;
}

.lb-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.lb-desc {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--ink-muted);
  text-align: right;
  flex-shrink: 0;
}

.lb-download {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  display: inline-block;
  margin-top: 0.75rem;
  position: relative;
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease);
}

.lb-download::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--dur) var(--ease);
}

.lb-download:hover { color: var(--ink); }
.lb-download:hover::after { width: 100%; }

.lb-close {
  position: fixed;
  top: 2rem;
  right: clamp(1.5rem, 5vw, 4rem);
  z-index: 2;
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--ink-soft);
  padding: 0.5rem;
  transition: color var(--dur) var(--ease);
}

.lb-close:hover { color: var(--ink); }

.lb-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  background: none;
  border: none;
  color: var(--ink-muted);
  padding: 1rem;
  opacity: 0;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}

.lightbox:hover .lb-nav { opacity: 1; }
.lb-nav:hover { color: var(--ink); }
.lb-prev { left: clamp(0.5rem, 2vw, 2rem); }
.lb-next { right: clamp(0.5rem, 2vw, 2rem); }

/* 10. Admin — Login
─────────────────────────────────────────────────────────────────────────── */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at top, rgba(213, 172, 132, 0.14), transparent 35%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 40%),
    var(--bg);
}

.login-card {
  width: 100%;
  max-width: 380px;
  padding: 3rem 0;
}

.login-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 2.5rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.login-subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-muted);
  margin-bottom: 3rem;
}

/* 11. Admin — Layout
─────────────────────────────────────────────────────────────────────────── */
.admin-layout {
  display: flex;
  min-height: calc(100vh - 80px);
}

.admin-quick-nav {
  position: sticky;
  top: 80px;
  z-index: 150;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.9rem clamp(1.5rem, 5vw, 5rem);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.97);
}

.admin-quick-link {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0 0.2rem;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  background: transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.admin-quick-link.active,
.admin-quick-link:hover {
  color: var(--ink);
}

.admin-content {
  flex: 1;
  padding: 2.5rem clamp(1.5rem, 5vw, 5rem) 6rem;
  max-width: 1240px;
}

.admin-section-heading {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: end;
  margin-bottom: 2rem;
}

.admin-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.8rem;
}

.admin-section-copy {
  max-width: 34rem;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ink-muted);
}

.admin-panel {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 55%),
    var(--bg-subtle);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.admin-grid-two {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.9fr);
  gap: 1.5rem;
}

.admin-grid-two-top {
  align-items: start;
}

.admin-actions-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.admin-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.summary-card {
  border: 1px solid var(--line);
  padding: 1.25rem;
  background: var(--bg-subtle);
  min-height: 132px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.summary-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.summary-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.summary-value-text {
  font-size: clamp(1.2rem, 2vw, 1.75rem);
  line-height: 1.2;
}

.admin-section-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 2rem;
}

.admin-section-divider {
  height: 1px;
  background: var(--line);
  margin: 3.5rem 0;
}

/* 12. Admin — Forms
─────────────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 2rem; }

.form-group label,
.field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.6rem;
}

.hint {
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.75rem;
  color: var(--ink-muted);
  font-style: italic;
  margin-left: 0.5rem;
}

input[type="text"],
input[type="password"],
textarea,
select {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  padding: 0.5rem 0;
  font-size: 0.95rem;
  font-family: var(--font-body);
  transition: border-color var(--dur) var(--ease);
  appearance: none;
  border-radius: 0;
  outline: none;
}

input:focus, textarea:focus, select:focus {
  border-bottom-color: var(--ink);
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23999999' stroke-width='1.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
  padding-right: 1.5rem;
}

select option { background: var(--bg); }

textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.6;
}

.form-row {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  align-items: baseline;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.error-msg {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--danger);
  margin-top: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--danger);
}

/* 13. Admin — Buttons
─────────────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0;
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  padding-bottom: 3px;
  transition: color var(--dur) var(--ease);
}

.btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width var(--dur) var(--ease);
}

.btn:hover::after { width: 100%; }

.btn-primary {
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
}

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

.btn-ghost {
  color: var(--ink-muted);
  border-bottom: 1px solid var(--line);
}

.btn-secondary {
  color: var(--ink-muted);
  border-bottom: 1px solid var(--line);
}

.btn-ghost:hover,
.btn-secondary:hover {
  color: var(--ink-soft);
}

.btn-danger {
  color: var(--danger);
  border-bottom: 1px solid var(--danger);
}

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

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn:disabled::after { display: none; }

.btn-full { width: 100%; justify-content: center; }

/* 14. Admin — Drop Zone
─────────────────────────────────────────────────────────────────────────── */
.drop-zone {
  border: 1px dashed var(--line);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
  margin-bottom: 1.5rem;
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--ink);
  background: var(--bg-subtle);
}

.drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.drop-zone-instruction {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--ink-muted);
  margin-bottom: 0.4rem;
}

.drop-zone-sub {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  opacity: 0.6;
}

/* 15. Admin — Upload Queue
─────────────────────────────────────────────────────────────────────────── */
.upload-queue {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  min-height: 66px;
}

.queue-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.queue-item-main {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex: 1;
  min-width: 0;
}

.queue-item-name {
  font-family: var(--font-body);
  font-size: 0.85rem;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.queue-item-size {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  flex-shrink: 0;
}

.queue-remove {
  background: none;
  border: none;
  font-size: 1rem;
  color: var(--ink-muted);
  cursor: pointer;
  line-height: 1;
  padding: 0 0.25rem;
  flex-shrink: 0;
  transition: color var(--dur) var(--ease);
}

.queue-remove:hover { color: var(--danger); }

.upload-status {
  font-size: 0.85rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}

.upload-status.success { color: var(--success); }
.upload-status.error { color: var(--danger); }

.progress-bar-wrap {
  background: var(--line);
  height: 1px;
  margin-top: 1rem;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--ink);
  transition: width 0.3s ease;
  width: 0%;
}

/* 16. Admin — Album create form (inline)
─────────────────────────────────────────────────────────────────────────── */
.admin-create-fields {
  display: flex;
  gap: 1.5rem;
  align-items: flex-end;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.admin-create-field {
  flex: 1;
  min-width: 180px;
}

.admin-create-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.6rem;
}

.admin-create-fields input {
  width: 100%;
}

/* 17. Admin — Album list
─────────────────────────────────────────────────────────────────────────── */
.admin-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.album-admin-card {
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 1.25rem;
}

.album-admin-title-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.album-admin-pill {
  border: 1px solid var(--line);
  padding: 0.2rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  background: transparent;
}

.album-admin-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
  margin-bottom: 0.85rem;
}

.album-admin-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.album-admin-meta {
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.album-admin-description {
  color: var(--ink-soft);
  line-height: 1.6;
  min-height: 3.2rem;
  margin-bottom: 1rem;
}

.album-share-box {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
  margin-bottom: 1rem;
}

.album-share-label {
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.6rem;
}

.album-share-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.album-share-input {
  flex: 1;
  min-width: 180px;
}

.admin-checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 0.25rem;
  margin-bottom: 1rem;
  color: var(--ink-soft);
  font-size: 0.86rem;
}

.admin-checkbox-row input {
  width: auto;
  accent-color: var(--ink);
}

.album-edit-form .form-group {
  margin-bottom: 1rem;
}

/* 18. Admin — Images Grid
─────────────────────────────────────────────────────────────────────────── */
.images-admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1.5rem;
}

.admin-image-card {
  overflow: hidden;
  border: 1px solid transparent;
  background: transparent;
  padding: 0;
  text-align: left;
  color: inherit;
  transition: border-color var(--dur) var(--ease);
}

.admin-image-card.selected {
  border-color: var(--ink);
}

.admin-image-thumb {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
  transition: transform var(--dur) var(--ease);
}

.admin-image-card:hover .admin-image-thumb {
  transform: scale(1.01);
}

.admin-image-card:hover {
}

.admin-image-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.65rem 0 0;
  border-top: 1px solid var(--line);
}

.admin-image-name {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--ink-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-image-album {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0.25rem;
}

.admin-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(220px, 0.7fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.toolbar-search,
.toolbar-filter {
  border: 1px solid var(--line);
  padding: 0.85rem 1rem;
  background: var(--bg-subtle);
}

.toolbar-search input,
.toolbar-filter select {
  border-bottom: none;
  padding: 0;
}

.editor-panel {
  position: sticky;
  top: 96px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 40%),
    var(--bg-subtle);
  padding: 1rem;
}

.editor-panel-empty {
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.editor-empty-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.editor-empty-copy {
  color: var(--ink-muted);
  line-height: 1.7;
  max-width: 24rem;
}

.editor-preview-wrap {
  margin-bottom: 1rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.editor-preview {
  display: block;
  width: 100%;
  max-height: 320px;
  object-fit: contain;
}

.editor-panel-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
  margin-bottom: 1rem;
}

.editor-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1.15;
  color: var(--ink);
}

.editor-meta {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-top: 0.5rem;
  padding: 0.5rem 0;
}

.editor-meta p {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.editor-meta span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}

.editor-meta strong {
  text-align: right;
  overflow-wrap: anywhere;
}

/* 19. Admin — Confirm Modal
─────────────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-bg {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 26, 0.4);
}

.confirm-card {
  position: relative;
  z-index: 1;
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 2.5rem;
  min-width: 340px;
  max-width: 90vw;
}

.confirm-msg {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.1rem;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 2rem;
  line-height: 1.4;
}

/* 20. Responsive
─────────────────────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .albums-grid-view {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .images-masonry {
    columns: 2;
  }
}

@media (max-width: 768px) {
  main { padding-top: 64px; }

  .site-header { height: 64px; }

  .header-nav { display: none; }

  .access-shell {
    align-items: start;
    padding-top: 5.5rem;
  }

  .access-code-form {
    flex-direction: column;
    align-items: stretch;
  }

  .album-row {
    grid-template-columns: 2.5rem 1fr;
  }

  .album-row-meta { display: none; }

  .albums-grid-view {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .album-meta {
    flex-direction: column;
    gap: 0;
  }

  .album-meta-item {
    width: 100%;
    padding: 0.8rem 0;
    border-right: none;
    border-bottom: 1px solid var(--line);
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .album-utility-row {
    justify-content: flex-start;
    margin-top: 4.5rem;
    margin-bottom: 1rem;
  }

  .back-btn {
    top: calc(64px + 1rem);
  }

  .lb-wrapper {
    padding: 64px 1.5rem 2rem;
  }

  .lb-mat { padding: 0; }

  .lb-info { padding: 0; }

  .admin-content { padding: 2rem 1.5rem; }

  .admin-quick-nav {
    top: 64px;
    padding: 0.8rem 1.5rem;
  }

  .admin-section-heading,
  .admin-actions-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .admin-summary-grid,
  .admin-grid-two,
  .admin-toolbar {
    grid-template-columns: 1fr;
  }

  .images-admin-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .confirm-card { min-width: 0; padding: 2rem; }

  .admin-create-fields {
    flex-direction: column;
    gap: 1rem;
  }

  .admin-create-field,
  .album-share-input { width: 100%; }

  .editor-panel {
    position: static;
  }
}

@media (max-width: 600px) {
  .images-masonry {
    columns: 1;
  }
}

@media (max-width: 480px) {
  .albums-grid-view {
    grid-template-columns: 1fr;
  }

  .album-password-form {
    flex-direction: column;
    align-items: stretch;
  }

  .album-grid-card,
  .admin-panel,
  .summary-card,
  .editor-panel,
  .album-admin-card {
    border-radius: 22px;
  }

  .images-admin-grid {
    grid-template-columns: 1fr;
  }
}