/* ==========================================================================
   HELLO CONFEXA - LUXURY DIGITAL MAGAZINE FLIPBOOK STYLESHEET
   Aesthetics: Luxury Award Ceremony, Glassmorphism, Metallic Gold & Dark Navy
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Cormorant+Garamond:wght@400;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg-primary: #050a17;
  --bg-gradient: linear-gradient(135deg, #050a17 0%, #0a1128 40%, #060b1b 100%);
  --gold-primary: #d4af37;
  --gold-light: #f5c34d;
  --gold-dark: #b8860b;
  --gold-gradient: linear-gradient(135deg, #f5c34d 0%, #d4af37 50%, #997415 100%);
  --gold-metallic: linear-gradient(90deg, #d4af37 0%, #fff3cd 25%, #d4af37 50%, #b8860b 75%, #d4af37 100%);
  --glass-bg: rgba(10, 18, 40, 0.78);
  --glass-border: rgba(212, 175, 55, 0.22);
  --glass-shadow: 0 12px 32px rgba(0, 0, 0, 0.6), inset 0 1px 1px rgba(255, 235, 175, 0.2);
  --text-main: #f0ece2;
  --text-muted: rgba(240, 236, 226, 0.65);
  --font-heading: 'Cinzel', serif;
  --font-subheading: 'Cormorant Garamond', serif;
  --font-body: 'Inter', sans-serif;
  --header-height: 52px;
  --controls-height: 50px;
}

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

html,
body {
  width: 100% !important;
  height: 100% !important;
  overflow: hidden !important;
  background: var(--bg-primary) !important;
  background-color: #050a17 !important;
  background-image: radial-gradient(circle at 50% 30%, rgba(212, 175, 55, 0.08) 0%, transparent 65%), var(--bg-gradient) !important;
  color: var(--text-main) !important;
  font-family: var(--font-body) !important;
  -webkit-font-smoothing: antialiased;
}

body::after {
  display: none !important;
  content: none !important;
}

/* ==========================================
   COMPACT LUXURY TOP HEADER BAR
   ========================================== */
.flipbook-header {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: var(--header-height) !important;
  z-index: 100 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 0 1.25rem !important;
  background: var(--glass-bg) !important;
  background-color: rgba(10, 18, 40, 0.78) !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  border-bottom: 1px solid var(--glass-border) !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4) !important;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo {
  height: 32px;
  width: auto;
  object-fit: contain;
  vertical-align: middle;
}

.btn-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.8rem;
  background: rgba(212, 175, 55, 0.08) !important;
  border: 1px solid rgba(212, 175, 55, 0.3) !important;
  border-radius: 6px;
  color: var(--gold-light) !important;
  font-size: 0.8rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.25s ease;
}

.btn-back-link:hover {
  background: var(--gold-primary) !important;
  color: #050a17 !important;
  border-color: var(--gold-light) !important;
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.4) !important;
  transform: translateX(-2px);
}

.brand-title-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-family: var(--font-heading) !important;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 1.8px;
  background: var(--gold-metallic) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  text-transform: uppercase;
}

.brand-sub {
  font-size: 0.65rem;
  letter-spacing: 1.2px;
  color: var(--text-muted) !important;
  text-transform: uppercase;
}

/* Document Selector Dropdown */
.doc-selector-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.doc-select-dropdown {
  background: rgba(5, 10, 23, 0.85);
  border: 1px solid var(--glass-border);
  color: var(--gold-light);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.32rem 2rem 0.32rem 0.85rem;
  border-radius: 18px;
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23f5c34d' class='bi bi-chevron-down' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.65rem center;
  background-size: 11px;
  transition: all 0.25s ease;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
}

.doc-select-dropdown:hover,
.doc-select-dropdown:focus {
  border-color: var(--gold-light);
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.3);
}

.doc-select-dropdown option {
  background: #0a1228;
  color: #f0ece2;
  padding: 0.4rem;
}

/* ==========================================
   FLIPBOOK MAIN STAGE & CONTAINER (NATIVE FIT)
   ========================================== */
.flipbook-stage {
  position: absolute;
  top: var(--header-height);
  bottom: calc(var(--controls-height) + 14px);
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0.5rem;
  user-select: none;
}

.flipbook-stage.is-zoomed {
  cursor: grab;
}

.flipbook-stage.is-dragging {
  cursor: grabbing !important;
}

.zoom-viewport {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-origin: center center;
  transition: transform 0.12s ease-out;
  will-change: transform;
}

.flipbook-stage.is-dragging .zoom-viewport {
  transition: none !important;
}

.flipbook-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  background: transparent;
}

.st-page-flip {
  position: relative;
  margin: 0 auto;
  background: transparent;
  border-radius: 4px;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
}

@media (min-width: 769px) {
  .flipbook-container.is-cover-centered,
  .st-page-flip.is-cover-centered {
    transform: translateX(-25%) !important;
  }

  .flipbook-container.is-back-cover-centered,
  .st-page-flip.is-back-cover-centered {
    transform: translateX(25%) !important;
  }

}

.page {
  background-color: #ffffff;
  background-image: none;
  overflow: hidden;
  box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  user-select: none;
}

.page-content {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
}

.page canvas {
  width: 100% !important;
  height: 100% !important;
  object-fit: fill;
  display: block;
  pointer-events: none;
}

.page-sheet-cover {
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.6);
}

.page-sheet-hard {
  background-color: #ffffff;
}

/* Fix StPageFlip turning page back background color (eliminates blue polygon during page flip) */
.st-page-flip,
.st-page,
.stpageflip--page,
.stpageflip--page-wrapper,
.stpageflip--page-back,
.stpageflip--canvas {
  background-color: #ffffff !important;
  background-image: none !important;
}

/* ==========================================
   REORGANIZED BOTTOM TOOLBAR
   ========================================== */
.flipbook-controls {
  position: absolute !important;
  bottom: 10px !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  height: var(--controls-height) !important;
  z-index: 100 !important;
  display: flex !important;
  align-items: center !important;
  gap: 0.6rem !important;
  padding: 0 1rem !important;
  background: var(--glass-bg) !important;
  background-color: rgba(10, 18, 40, 0.78) !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: 28px !important;
  box-shadow: var(--glass-shadow) !important;
  max-width: 95vw !important;
}

.control-group-left,
.control-group-right {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.control-divider {
  width: 1px;
  height: 20px;
  background: var(--glass-border);
  margin: 0 0.2rem;
}

.btn-control {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.08) !important;
  border: 1px solid rgba(212, 175, 55, 0.2) !important;
  color: var(--gold-light) !important;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
  outline: none;
}

.btn-control-text {
  width: auto;
  padding: 0 0.75rem;
  border-radius: 16px;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 500;
}

.btn-control-badge {
  width: auto;
  padding: 0 0.55rem;
  border-radius: 12px;
}

.btn-control:hover:not(:disabled) {
  background: var(--gold-primary) !important;
  color: #050a17 !important;
  border-color: var(--gold-light) !important;
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.4) !important;
  transform: translateY(-2px) scale(1.04);
}

.btn-control:active:not(:disabled) {
  transform: translateY(0) scale(0.96);
}

.btn-control:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  border-color: transparent;
}

/* Page Indicator Layout */
.page-indicator-wrap {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-main);
  padding: 0 0.35rem;
}

.page-input {
  width: 38px;
  height: 28px;
  background: rgba(5, 10, 23, 0.85);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  color: var(--gold-light);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  outline: none;
  transition: all 0.2s ease;
}

.page-input:focus {
  border-color: var(--gold-light);
  box-shadow: 0 0 8px rgba(212, 175, 55, 0.4);
}

.page-total {
  color: var(--text-muted);
}

.zoom-badge {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gold-light);
  min-width: 36px;
  text-align: center;
}

/* ==========================================
   LOADING OVERLAY & SPINNER
   ========================================== */
.flipbook-loading-overlay {
  position: absolute;
  inset: 0;
  z-index: 200;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.flipbook-loading-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.metallic-spinner {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0%, rgba(212, 175, 55, 0.2) 50%, #d4af37 100%);
  mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #fff 0);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #fff 0);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  100% {
    transform: rotate(360deg);
  }
}

.loading-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--gold-light);
  text-transform: uppercase;
}

.loading-progress-bar-wrap {
  width: 240px;
  height: 4px;
  background: rgba(212, 175, 55, 0.15);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.loading-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--gold-metallic);
  border-radius: 4px;
  transition: width 0.2s linear;
}

.loading-status-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

/* ==========================================
   ERROR OVERLAY CONTAINER
   ========================================== */
.flipbook-error-overlay {
  position: absolute;
  inset: 0;
  z-index: 250;
  background: rgba(5, 10, 23, 0.95);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
}

.flipbook-error-overlay.hidden {
  display: none !important;
}

.error-card {
  max-width: 440px;
  background: rgba(15, 25, 55, 0.9);
  border: 1px solid rgba(220, 53, 69, 0.4);
  border-radius: 16px;
  padding: 2.25rem 1.75rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.error-icon {
  font-size: 2.5rem;
  color: #ff6b6b;
}

.error-heading {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: #f0ece2;
}

.error-msg {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.error-actions {
  display: flex;
  gap: 0.85rem;
  margin-top: 0.5rem;
}

.btn-retry {
  padding: 0.55rem 1.35rem;
  background: var(--gold-gradient);
  border: none;
  border-radius: 8px;
  color: #050a17;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-retry:hover {
  box-shadow: 0 0 16px rgba(212, 175, 55, 0.5);
  transform: translateY(-2px);
}

/* ==========================================
   RESPONSIVE DESIGN BREAKPOINTS
   ========================================== */
@media (max-width: 768px) {
  .flipbook-header {
    padding: 0 0.75rem;
    height: 46px;
  }

  .brand-sub {
    font-size: 0.6rem;
    letter-spacing: 0.8px;
  }

  .brand-name {
    font-size: 0.85rem;
    letter-spacing: 1.2px;
  }

  .btn-back-link {
    padding: 0.22rem 0.55rem;
    font-size: 0.75rem;
    border-radius: 5px;
  }

  .flipbook-stage {
    top: 46px;
    bottom: 56px;
    padding: 0.2rem;
  }

  .flipbook-controls {
    bottom: 8px;
    height: 42px;
    padding: 0 0.5rem;
    gap: 0.25rem;
    max-width: 96vw;
    border-radius: 22px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.65);
    flex-wrap: nowrap;
    white-space: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .flipbook-controls::-webkit-scrollbar {
    display: none;
  }

  .btn-control {
    width: 32px;
    height: 32px;
    font-size: 0.82rem;
    flex-shrink: 0;
  }

  .btn-control-text {
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 50%;
    justify-content: center;
    gap: 0;
  }

  .btn-control-text span {
    display: none !important;
  }

  .control-divider {
    height: 16px;
    margin: 0 0.15rem;
    flex-shrink: 0;
  }

  .page-indicator-wrap {
    font-size: 0.75rem;
    padding: 0 0.15rem;
    white-space: nowrap;
    flex-shrink: 0;
    gap: 0.2rem;
  }

  .page-indicator-wrap > span:first-child {
    display: none;
  }

  .page-input {
    width: 30px;
    height: 24px;
    font-size: 0.75rem;
    padding: 0 2px;
  }

  .page-total {
    white-space: nowrap;
    font-size: 0.75rem;
  }

  .zoom-badge {
    font-size: 0.7rem;
    min-width: 28px;
    padding: 0 0.25rem;
  }
}

@media (max-width: 480px) {
  .flipbook-header {
    padding: 0 0.5rem;
  }

  .brand-sub {
    display: none;
  }

  .zoom-badge {
    display: none !important;
  }

  .flipbook-controls {
    gap: 0.2rem;
    padding: 0 0.35rem;
  }
}