/* =====================================================
   PDF Reader Pro – Complete Stylesheet
   ===================================================== */

/* ---------- CSS Variables ---------- */
:root {
  --download-bg:      #10b981;
  --download-color:   #ffffff;
  --preview-bg:       #6366f1;
  --preview-color:    #ffffff;
  --popup-bg:         #1e1e2e;
  --popup-color:      #ffffff;
  --modal-toolbar-h:  56px;
  --modal-progress-h: 4px;
  --success-color:    #10b981;
  --error-color:      #ef4444;
  --warning-color:    #f59e0b;
}

/* =====================================================
   BUTTONS
   ===================================================== */
.pdf-reader-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 16px 0;
  align-items: center;
}

.pdf-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  outline: none;
  font-family: inherit;
  line-height: 1.4;
}

.pdf-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

.pdf-btn:active {
  transform: translateY(0);
}

/* زر التحميل */
.pdf-reader-btn-download {
  background: var(--download-bg, #10b981);
  color: var(--download-color, #fff);
}

/* زر المشاهدة */
.pdf-reader-btn-preview {
  background: var(--preview-bg, linear-gradient(135deg, #6366f1, #8b5cf6));
  color: var(--preview-color, #fff);
}

.pdf-reader-btn-preview:disabled {
  opacity: 0.7;
  cursor: wait;
  transform: none;
}

/* =====================================================
   MODAL OVERLAY
   ===================================================== */
.pdf-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 99999;
  overflow: hidden;
  direction: rtl;
}

.pdf-modal.active {
  display: flex;
  align-items: stretch;
}

.pdf-reader-modal-content {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  background: #fff;
}

/* =====================================================
   TOOLBAR
   ===================================================== */
.pdf-reader-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 16px;
  background: #1e1e2e;
  height: var(--modal-toolbar-h);
  flex-shrink: 0;
  z-index: 10001;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.pdf-reader-close {
  background: #e53e3e;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
  font-family: inherit;
  direction: rtl;
}

.pdf-reader-close:hover {
  background: #c53030;
}

.pdf-page-select {
  background: #2d2d3e;
  color: #e2e8f0;
  border: 1px solid #4a4a6a;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  min-width: 140px;
  direction: rtl;
}

.pdf-page-select:focus {
  outline: none;
  border-color: #6366f1;
}

.pdf-page-select option.loaded-page {
  color: #10b981;
}

.pdf-page-select option.failed-page {
  color: #ef4444;
}

/* =====================================================
   PROGRESS BAR
   ===================================================== */
.pdf-reader-progress {
  width: 100%;
  height: var(--modal-progress-h);
  background: #e2e8f0;
  flex-shrink: 0;
  overflow: hidden;
  transition: opacity 0.5s ease;
}

.pdf-reader-progress.hide-progress {
  opacity: 0;
  pointer-events: none;
}

.pdf-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #6366f1, #8b5cf6);
  width: 0%;
  transition: width 0.3s ease;
}

/* =====================================================
   LOADER
   ===================================================== */
.pdf-loader {
  position: absolute;
  top: calc(var(--modal-toolbar-h) + var(--modal-progress-h));
  left: 0;
  width: 100%;
  height: calc(100% - var(--modal-toolbar-h) - var(--modal-progress-h));
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  z-index: 100;
}

.js-loader-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid #e2e8f0;
  border-top-color: #6366f1;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loader-text {
  font-size: 14px;
  color: #64748b;
  font-family: inherit;
  direction: rtl;
}

/* =====================================================
   PDF CANVAS WRAP
   ===================================================== */
.pdf-reader-canvas-wrap {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  background: #e5e7eb;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  scroll-behavior: smooth;
}

/* Custom Scrollbar */
.pdf-reader-canvas-wrap::-webkit-scrollbar {
  width: 8px;
}

.pdf-reader-canvas-wrap::-webkit-scrollbar-track {
  background: #d1d5db;
}

.pdf-reader-canvas-wrap::-webkit-scrollbar-thumb {
  background: #6366f1;
  border-radius: 4px;
}

/* =====================================================
   PAGE WRAPPER & CANVAS
   ===================================================== */
.pdf-page-summary {
  color: #475569;
  font-size: 13px;
  text-align: center;
  padding: 8px 16px;
  background: #f8fafc;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
  width: 100%;
  max-width: 800px;
  box-sizing: border-box;
  direction: rtl;
}

.pdf-page-wrapper {
  position: relative;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  overflow: hidden;
  width: 100%;
  max-width: 800px;
  box-sizing: border-box;
}

.pdf-page-label {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(0,0,0,0.5);
  color: #fff;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  z-index: 10;
  direction: rtl;
}

.pdf-page-canvas {
  display: block;
  width: 100% !important;
  height: auto !important;
}

/* =====================================================
   SKELETON LOADER
   ===================================================== */
.pdf-page-skeleton {
  width: 100%;
  max-width: 800px;
  height: 400px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-wave 1.4s infinite;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

@keyframes skeleton-wave {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* =====================================================
   TEXT LAYER
   ===================================================== */
.pdf-text-layer {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: 0.2;
  line-height: 1;
}

/* =====================================================
   DELAYED DOWNLOAD MODAL
   ===================================================== */
.pdf-download-delay-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  direction: rtl;
}

.pdf-download-delay-content {
  background: #fff;
  border-radius: 16px;
  padding: 40px;
  text-align: center;
  max-width: 380px;
  width: 90%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  font-family: inherit;
}

.pdf-delay-timer {
  font-size: 64px;
  font-weight: 800;
  color: #6366f1;
  line-height: 1;
  margin-bottom: 12px;
  animation: timer-pulse 1s ease-in-out infinite;
}

@keyframes timer-pulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.05); }
}

.pdf-delay-message {
  font-size: 15px;
  color: #64748b;
  margin-bottom: 20px;
  direction: rtl;
}

.pdf-delay-progress {
  width: 100%;
  height: 6px;
  background: #e2e8f0;
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 24px;
}

.pdf-delay-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #6366f1, #8b5cf6);
  transition: width 1s linear;
  border-radius: 3px;
}

.pdf-delay-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.pdf-delay-cancel,
.pdf-delay-download-now {
  padding: 10px 24px;
  border-radius: 8px;
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
}

.pdf-delay-cancel {
  background: #f1f5f9;
  color: #475569;
}

.pdf-delay-cancel:hover {
  background: #e2e8f0;
}

.pdf-delay-download-now {
  background: #10b981;
  color: #fff;
}

.pdf-delay-download-now:hover {
  background: #059669;
}

.pdf-download-ready {
  animation: ready-pulse 0.5s ease;
}

@keyframes ready-pulse {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.08); }
  100% { transform: scale(1); }
}

/* =====================================================
   SUCCESS MESSAGE
   ===================================================== */
.pdf-download-success {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #10b981;
  color: #fff;
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  z-index: 9999999;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
  animation: slide-up 0.3s ease;
  direction: rtl;
  font-family: inherit;
}

@keyframes slide-up {
  from { transform: translateX(-50%) translateY(20px); opacity: 0; }
  to   { transform: translateX(-50%) translateY(0);    opacity: 1; }
}

/* =====================================================
   ERROR DEBUG
   ===================================================== */
.pdf-error-debug {
  background: #fef2f2;
  color: #dc2626;
  padding: 12px;
  border-radius: 6px;
  font-size: 11px;
  text-align: left;
  direction: ltr;
  max-width: 90%;
  overflow: auto;
}

/* =====================================================
   SPINNER ANIMATION (pdf-loader.js uses this)
   ===================================================== */
.fa-spinner {
  animation: spin 1s linear infinite;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 640px) {
  .pdf-reader-toolbar {
    padding: 6px 10px;
    gap: 8px;
  }

  .pdf-reader-close {
    padding: 6px 14px;
    font-size: 13px;
  }

  .pdf-page-select {
    min-width: 110px;
    font-size: 12px;
  }

  .pdf-reader-canvas-wrap {
    padding: 12px;
    gap: 12px;
  }

  .pdf-download-delay-content {
    padding: 28px 20px;
  }

  .pdf-delay-timer {
    font-size: 48px;
  }

  .pdf-btn {
    padding: 10px 18px;
    font-size: 14px;
  }
}