/* Art Nouveau Florido Design System for 26th Anniversary Gallery */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Quattrocento:wght@400;700&display=swap');

:root {
  --color-primary: #008080;      /* Deep Teal */
  --color-primary-dark: #005F5F;
  --color-secondary: #CFB53B;    /* Old Gold */
  --color-secondary-light: #E6D06C;
  --color-tertiary: #E0B0FF;     /* Mauve */
  --color-neutral: #FFFFF0;      /* Ivory */
  --color-cream: #FFFDD0;        /* Cream */
  --color-surface: #F9F8EE;
  --color-olive: #808000;        /* Olive Green */
  --color-burgundy: #800020;     /* Burgundy Accent */
  --color-text-dark: #1A2424;    /* Off-black Charcoal */
  --color-text-muted: #4A5656;
  --color-border-gold: rgba(207, 181, 59, 0.4);
  --color-gold-glow: rgba(207, 181, 59, 0.25);
  
  --font-heading: 'Quattrocento', serif;
  --font-body: 'Quattrocento', serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  
  --shadow-subtle: 0 4px 20px rgba(0, 60, 60, 0.08);
  --shadow-gold: 0 4px 25px rgba(207, 181, 59, 0.2);
  --shadow-modal: 0 10px 40px rgba(0, 0, 0, 0.35);

  --transition-fast: 0.2s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-smooth: 0.35s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  min-height: 100dvh;
  background-color: var(--color-surface);
  color: var(--color-text-dark);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Background Pattern - Subtle Art Nouveau Watermark */
body {
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(207, 181, 59, 0.07) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(0, 128, 128, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(128, 0, 32, 0.03) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Header Component */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 240, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--color-border-gold);
  box-shadow: var(--shadow-subtle);
  padding: 0.8rem 1.5rem;
}

.header-container {
  max-width: 1380px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-ornament {
  width: 32px;
  height: 32px;
  color: var(--color-secondary);
}

.header-title-group h1 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.header-subtitle {
  font-size: 0.85rem;
  color: var(--color-burgundy);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Button Component - Art Nouveau Styling */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 700;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  text-decoration: none;
  background: transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-neutral);
  border-color: var(--color-primary);
  box-shadow: 0 3px 12px rgba(0, 128, 128, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, #004646 100%);
  transform: translateY(-2px);
  box-shadow: 0 5px 16px rgba(0, 128, 128, 0.35);
}

.btn-secondary {
  background: linear-gradient(135deg, #FFFDF0 0%, var(--color-cream) 100%);
  color: var(--color-primary-dark);
  border-color: var(--color-secondary);
}

.btn-secondary:hover {
  background: var(--color-secondary-light);
  color: var(--color-text-dark);
  border-color: var(--color-secondary);
  transform: translateY(-1px);
}

.btn-burgundy {
  background: linear-gradient(135deg, var(--color-burgundy) 0%, #5E0017 100%);
  color: var(--color-neutral);
  border-color: var(--color-burgundy);
  box-shadow: 0 3px 12px rgba(128, 0, 32, 0.25);
}

.btn-burgundy:hover {
  background: #5E0017;
  transform: translateY(-2px);
  box-shadow: 0 5px 16px rgba(128, 0, 32, 0.35);
}

.btn-outline {
  border-color: var(--color-border-gold);
  color: var(--color-text-dark);
  background: rgba(255, 255, 240, 0.6);
}

.btn-outline:hover {
  border-color: var(--color-secondary);
  background: var(--color-neutral);
  color: var(--color-primary-dark);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-toggle {
  background: rgba(0, 128, 128, 0.08);
  border-color: var(--color-border-gold);
  color: var(--color-primary-dark);
}

.btn-toggle.active {
  background: var(--color-primary);
  color: var(--color-neutral);
  border-color: var(--color-primary);
}

.badge {
  background: var(--color-burgundy);
  color: var(--color-neutral);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  margin-left: 0.2rem;
}

/* Layout Containers */
.main-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

/* PRESENTATION MODE (Full Slider) */
.presentation-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: calc(100dvh - 120px);
  position: relative;
}

.presentation-stage {
  position: relative;
  width: 100%;
  max-width: 1100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  padding: 0.5rem 0;
}

/* Art Nouveau Frame Container */
.photo-frame-wrapper {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.5rem;
}

.photo-frame {
  position: relative;
  max-width: 100%;
  max-height: 72dvh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-gold), 0 12px 35px rgba(0,0,0,0.18);
  background: #111;
  border: 4px solid var(--color-secondary);
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  overflow: hidden;
  transition: transform var(--transition-fast);
  display: flex;
  justify-content: center;
  align-items: center;
}

.photo-frame img {
  display: block;
  max-width: 100%;
  max-height: 70dvh;
  width: auto;
  height: auto;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
  transition: opacity var(--transition-fast);
}

/* Navigation Arrow Overlay Controls */
.nav-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 52px;
  height: 52px;
  background: rgba(255, 255, 240, 0.88);
  backdrop-filter: blur(4px);
  border: 2px solid var(--color-secondary);
  color: var(--color-primary-dark);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
  transition: all var(--transition-fast);
}

.nav-arrow:hover {
  background: var(--color-secondary);
  color: var(--color-text-dark);
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 6px 20px rgba(207, 181, 59, 0.4);
}

.nav-arrow-prev {
  left: -20px;
}

.nav-arrow-next {
  right: -20px;
}

@media (max-width: 768px) {
  .nav-arrow-prev { left: 5px; }
  .nav-arrow-next { right: 5px; }
}

/* Presentation Bar / Action Overlay */
.presentation-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 900px;
  background: rgba(255, 255, 240, 0.95);
  border: 1.5px solid var(--color-border-gold);
  border-radius: var(--radius-lg);
  padding: 0.8rem 1.5rem;
  box-shadow: var(--shadow-subtle);
  gap: 1rem;
  flex-wrap: wrap;
}

.photo-info {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.photo-number {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  background: rgba(0, 128, 128, 0.08);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 128, 128, 0.2);
}

.photo-counter {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.presentation-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Scroll Hint Bar */
.scroll-hint {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 0.3rem;
  opacity: 0.85;
}

.scroll-hint svg {
  animation: bounceWheel 2s infinite ease-in-out;
}

@keyframes bounceWheel {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

/* GRID VIEW MODE */
.grid-controls-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  background: rgba(255, 255, 240, 0.9);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border-gold);
  box-shadow: var(--shadow-subtle);
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1;
  max-width: 320px;
}

.search-box input {
  width: 100%;
  padding: 0.55rem 0.8rem 0.55rem 2.4rem;
  border: 1.5px solid var(--color-border-gold);
  border-radius: var(--radius-md);
  background: var(--color-neutral);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text-dark);
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 128, 128, 0.15);
}

.search-icon {
  position: absolute;
  left: 0.8rem;
  color: var(--color-text-muted);
  pointer-events: none;
}

.filter-buttons {
  display: flex;
  gap: 0.5rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
  width: 100%;
}

/* Card Component for Grid */
.grid-card {
  position: relative;
  background: var(--color-neutral);
  border: 1.5px solid var(--color-border-gold);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.grid-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-gold);
}

.grid-card.selected-card {
  border-color: var(--color-burgundy);
  box-shadow: 0 0 0 2px var(--color-burgundy), var(--shadow-subtle);
}

.grid-card-thumb-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #222;
  cursor: pointer;
}

.grid-card-thumb-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.grid-card:hover .grid-card-thumb-wrapper img {
  transform: scale(1.06);
}

.grid-card-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(26, 36, 36, 0.85);
  backdrop-filter: blur(4px);
  color: var(--color-neutral);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(207, 181, 59, 0.4);
}

.grid-card-footer {
  padding: 0.6rem 0.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(180deg, var(--color-neutral) 0%, var(--color-cream) 100%);
  border-top: 1px solid rgba(207, 181, 59, 0.2);
}

.grid-card-actions {
  display: flex;
  gap: 0.4rem;
}

/* Favorite Heart Toggle Button */
.btn-heart {
  background: rgba(128, 0, 32, 0.06);
  color: var(--color-text-muted);
  border: 1px solid rgba(128, 0, 32, 0.2);
}

.btn-heart.selected, .btn-heart:hover {
  background: var(--color-burgundy);
  color: var(--color-neutral);
  border-color: var(--color-burgundy);
}

/* PRINT LIST MODAL */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 300;
  background: rgba(15, 25, 25, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--color-neutral);
  border: 3px solid var(--color-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 720px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(20px) scale(0.96);
  transition: transform var(--transition-smooth);
}

.modal-overlay.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: 1.2rem 1.5rem;
  border-bottom: 2px solid var(--color-border-gold);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, var(--color-neutral) 0%, var(--color-cream) 100%);
}

.modal-title-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.modal-title-group h2 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-primary-dark);
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.print-list-box {
  background: rgba(0, 128, 128, 0.04);
  border: 1.5px dashed var(--color-border-gold);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-primary-dark);
  line-height: 1.8;
  word-break: break-all;
}

.print-grid-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 0.6rem;
  max-height: 220px;
  overflow-y: auto;
  padding-right: 0.3rem;
}

.preview-thumb {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-secondary);
}

.preview-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-thumb-remove {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 20px;
  height: 20px;
  background: var(--color-burgundy);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  font-size: 10px;
}

.modal-footer {
  padding: 1.2rem 1.5rem;
  border-top: 1.5px solid var(--color-border-gold);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  background: var(--color-cream);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  pointer-events: none;
}

.toast {
  background: var(--color-primary-dark);
  color: var(--color-neutral);
  border: 1.5px solid var(--color-secondary);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.2rem;
  box-shadow: var(--shadow-modal);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-fast);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Section Header Dividers (Art Nouveau Style) */
.ornament-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 1rem 0;
  color: var(--color-secondary);
}

.ornament-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-secondary), transparent);
  flex: 1;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-text-muted);
}

.empty-state-icon {
  width: 54px;
  height: 54px;
  color: var(--color-border-gold);
  margin-bottom: 1rem;
}

/* Mobile Adjustments */
@media (max-width: 640px) {
  .header-title-group h1 { font-size: 1.1rem; }
  .header-subtitle { font-size: 0.75rem; }
  .btn { padding: 0.45rem 0.8rem; font-size: 0.82rem; }
  .presentation-bar { padding: 0.6rem 1rem; }
  .photo-number { font-size: 0.95rem; }
  .photo-frame { max-height: 60dvh; }
  .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0.8rem; }
  .modal-content { max-height: 94vh; }
  .modal-footer { flex-direction: column; width: 100%; }
  .modal-footer .btn { width: 100%; }
}

/* PIN Protection Gate Screen */
.pin-screen-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  background: radial-gradient(circle at 50% 50%, rgba(0, 128, 128, 0.95) 0%, rgba(26, 36, 36, 0.98) 100%);
  backdrop-filter: blur(15px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.pin-screen-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.pin-card {
  background: var(--color-neutral);
  border: 3px solid var(--color-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal), 0 0 50px rgba(207, 181, 59, 0.25);
  padding: 2.5rem 2rem;
  max-width: 440px;
  width: 100%;
  text-align: center;
  position: relative;
  overflow: hidden;
  animation: pinPop 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

@keyframes pinPop {
  0% { transform: scale(0.9) translateY(20px); opacity: 0; }
  100% { transform: scale(1) translateY(0); opacity: 1; }
}

.pin-card.shake {
  animation: shakeAnim 0.4s ease-in-out;
}

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

.pin-icon-wrapper {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.2rem auto;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(207, 181, 59, 0.15) 0%, rgba(0, 128, 128, 0.1) 100%);
  border: 2px solid var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
}

.pin-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  margin-bottom: 0.4rem;
}

.pin-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.pin-input-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.pin-input {
  width: 100%;
  padding: 0.8rem 1rem;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  letter-spacing: 0.35em;
  text-align: center;
  border: 2px solid var(--color-border-gold);
  border-radius: var(--radius-md);
  background: var(--color-cream);
  color: var(--color-text-dark);
  outline: none;
  transition: all var(--transition-fast);
}

.pin-input:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 4px rgba(207, 181, 59, 0.25);
  background: #FFF;
}

.pin-error {
  font-size: 0.85rem;
  color: var(--color-burgundy);
  font-weight: 600;
  min-height: 1.4em;
  margin-top: 0.3rem;
}