/* ==========================================================================
   MODAL DIALOG BASE & ANIMATIONS
   ========================================================================== */

body.modal-open {
  overflow: hidden;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--bg-modal-backdrop);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s ease;
}

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

.modal-container {
  background: #ffffff;
  border-radius: var(--radius-xl);
  width: 96vw;
  max-width: 1440px;
  height: 90vh;
  max-height: 95vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-modal);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  transform: scale(0.94) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  position: relative;
}

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

/* Modal Header */
.modal-header {
  padding: 20px 30px;
  background: #ffffff;
  border-bottom: 2px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-shrink: 0;
}

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
}

.modal-icon-badge {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.modal-icon-badge svg {
  width: 26px;
  height: 26px;
}

.modal-icon-badge.pdf-theme {
  background: #eff6ff;
  color: var(--tvsi-blue-primary);
}

.modal-icon-badge.video-theme {
  background: #fff1f2;
  color: var(--tvsi-red);
}

.modal-title {
  font-size: 1.55rem; /* ~24.8px */
  font-weight: 900;
  color: var(--tvsi-blue-dark);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.modal-subtitle {
  font-size: 1.05rem; /* ~16.8px */
  color: #4b5563;
  font-weight: 600;
  margin-top: 3px;
}

.modal-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.modal-close-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #f1f5f9;
  color: #475569;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid #e2e8f0;
}

.modal-close-btn svg {
  width: 24px;
  height: 24px;
}

.modal-close-btn:hover {
  background: #fee2e2;
  color: #dc2626;
  border-color: #fca5a5;
  transform: rotate(90deg) scale(1.05);
}

/* Modal Body */
.modal-body {
  flex: 1;
  overflow: hidden;
  display: flex;
  position: relative;
  background: #f8fafc;
}