:root {
  --bg: #090a0f;
  --bg-card: rgba(22, 25, 33, 0.7);
  --border: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(212, 175, 55, 0.3);
  --accent: #d4af37;
  --accent-warm: #f3cf7a;
  --accent-hover: #b89727;
  --text-main: #f9fafb;
  --text-sub: #9ca3af;
  --font-serif: 'Noto Serif KR', serif;
  --font-sans: 'Outfit', 'Noto Sans KR', sans-serif;
  --radius: 16px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg);
  background-image: 
    radial-gradient(circle at 10% 15%, rgba(212, 175, 55, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 90% 85%, rgba(99, 102, 241, 0.05) 0%, transparent 45%);
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* =========================================
   LOCK SCREEN (PASSWORD GATE)
========================================= */
.lock-overlay {
  position: fixed;
  inset: 0;
  background: rgba(9, 10, 15, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.lock-overlay.unlocked {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.lock-card {
  background: rgba(26, 29, 38, 0.85);
  border: 1px solid rgba(212, 175, 55, 0.25);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(212, 175, 55, 0.1);
  border-radius: 28px;
  padding: 44px 36px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  animation: cardPop 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes cardPop {
  from { transform: scale(0.92) translateY(20px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.lock-icon {
  width: 68px;
  height: 68px;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(212, 175, 55, 0.05));
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--accent);
}

.lock-card h2 {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  color: #fff;
  margin-bottom: 10px;
}

.lock-card p {
  color: var(--text-sub);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.input-group {
  display: flex;
  gap: 10px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 6px 8px 6px 18px;
  transition: all 0.25s ease;
}

.input-group:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 16px rgba(212, 175, 55, 0.3);
}

.input-group input {
  flex: 1;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.15rem;
  letter-spacing: 4px;
  outline: none;
  text-align: center;
}

.input-group input::placeholder {
  letter-spacing: normal;
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.95rem;
}

.input-group button {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  border: none;
  border-radius: 12px;
  color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.input-group button:hover {
  transform: scale(1.05);
}

.error-msg {
  color: #ef4444;
  font-size: 0.85rem;
  margin-top: 12px;
  display: none;
}

.lock-card.shake {
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-10px); }
  40%, 80% { transform: translateX(10px); }
}

.lock-footer {
  margin-top: 32px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.5px;
}

/* =========================================
   MAIN APP LAYOUT
========================================= */
.app-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-badge {
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-link {
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.lock-toggle-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--text-sub);
  padding: 8px 14px;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s;
}

.lock-toggle-btn:hover {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.3);
}

/* Hero */
.hero {
  text-align: center;
  padding: 20px 0 50px;
}

.hero-badge {
  display: inline-block;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #ffffff;
  margin-bottom: 12px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.hero-sub {
  color: var(--text-sub);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Sections */
.section {
  margin-bottom: 70px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-tag {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 12px;
}

.count-badge {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  color: var(--accent-warm);
  font-size: 0.85rem;
  font-family: var(--font-sans);
  padding: 4px 10px;
  border-radius: 9999px;
  font-weight: 600;
}

/* Video Card */
.video-tabs {
  display: flex;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 4px;
  border-radius: 12px;
  gap: 6px;
}

.vtab-btn {
  padding: 8px 18px;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--text-sub);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

.vtab-btn.active {
  background: var(--accent);
  color: #000;
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
}

.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(16px);
}

.vwrap {
  display: none;
}

.vwrap.active {
  display: block;
}

.player-box {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.player-box video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.v-details {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 4px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 16px;
}

.v-info h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--accent-warm);
  margin-bottom: 4px;
}

.v-info p {
  font-size: 0.9rem;
  color: var(--text-sub);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #000;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: 10px;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.25);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.35);
}

.letter-box {
  margin-top: 20px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 14px;
  padding: 20px;
}

.letter-title {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.letter-text {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.8;
  color: #e2e8f0;
  white-space: pre-line;
}

/* Gallery Grid */
.gallery-controls {
  display: flex;
  gap: 12px;
}

.btn-slideshow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: #fff;
  padding: 9px 18px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
}

.btn-slideshow:hover {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.photo-item {
  position: relative;
  aspect-ratio: 3 / 2;
  border-radius: 12px;
  overflow: hidden;
  background: #141720;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s;
}

.photo-item:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.5), 0 0 15px rgba(212, 175, 55, 0.2);
  z-index: 2;
}

.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.photo-item:hover img {
  transform: scale(1.05);
}

.photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 40%);
  opacity: 0;
  transition: opacity 0.25s;
  display: flex;
  align-items: flex-end;
  padding: 12px;
}

.photo-item:hover .photo-overlay {
  opacity: 1;
}

.photo-name {
  font-size: 0.8rem;
  color: #fff;
  font-weight: 600;
}

/* Footer */
.footer {
  text-align: center;
  color: var(--text-sub);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  padding-top: 40px;
}

/* =========================================
   LIGHTBOX MODAL
========================================= */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(5, 6, 9, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 10000;
  display: none;
  flex-direction: column;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox-modal.active {
  display: flex;
  opacity: 1;
}

.lb-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: rgba(0, 0, 0, 0.4);
}

.lb-counter {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-warm);
}

.lb-actions {
  display: flex;
  gap: 12px;
}

.lb-actions button,
.lb-actions a {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  color: #fff;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  text-decoration: none;
}

.lb-actions button:hover,
.lb-actions a:hover {
  background: var(--accent);
  color: #000;
  transform: scale(1.05);
}

.lb-body {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 10px 60px;
}

.lb-img-container {
  max-width: 100%;
  max-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

#lb-img {
  max-width: 100%;
  max-height: calc(100vh - 120px);
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
  transition: opacity 0.25s ease;
}

.lb-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border);
  color: #fff;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  z-index: 10;
}

.lb-nav-btn.prev { left: 20px; }
.lb-nav-btn.next { right: 20px; }

.lb-nav-btn:hover {
  background: var(--accent);
  color: #000;
  transform: translateY(-50%) scale(1.1);
}

.lb-loader {
  position: absolute;
  width: 44px;
  height: 44px;
  border: 3px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: none;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .photo-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .lb-body { padding: 0 10px; }
  .lb-nav-btn { width: 40px; height: 40px; }
  .lb-nav-btn.prev { left: 8px; }
  .lb-nav-btn.next { right: 8px; }
  .v-details { flex-direction: column; align-items: flex-start; }
}