/* Global Reset for Modals to ensure consistency */
.group-sign-modal, #solveFormOverlay {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* === Join Type Modal (OPPO Style) === */
#joinTypeModalOverlay {
  background-color: rgba(0, 0, 0, 0.3) !important;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  justify-content: center;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 99999;
}

#joinTypeModalOverlay[style*="display: flex"] {
  display: flex !important;
}

#joinTypeModalOverlay .modal-mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  cursor: pointer;
}

#joinTypeModalOverlay .modal-content.oppo-modal {
  position: relative;
  z-index: 10001;
  width: 440px;
  max-width: 90vw;
  max-height: 90vh;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-radius: 28px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(255, 255, 255, 1);
  padding: 0;
  display: flex;
  flex-direction: column;
  margin: auto;
  animation: oppoZoomIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

#joinTypeModalOverlay .modal-header {
  padding: 28px 32px 16px;
  border-bottom: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

#joinTypeModalOverlay .modal-header h3 {
  font-size: 20px;
  font-weight: 600;
  color: #111;
  margin: 0;
  letter-spacing: -0.5px;
}

#joinTypeModalOverlay .close-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.04);
  color: #666;
  font-size: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
}

#joinTypeModalOverlay .close-btn:hover {
  background: rgba(0, 0, 0, 0.08);
  color: #111;
  transform: rotate(90deg);
}

#joinTypeModalOverlay .modal-body {
  padding: 0 32px 36px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.join-type-options {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.join-type-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 24px;
  background: rgba(250, 250, 250, 0.8);
  border: 1px solid rgba(0, 0, 0, 0.04);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.join-type-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: transparent;
  transition: background 0.4s ease;
}

.join-type-card:hover {
  background: #FFFFFF;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
  border-color: rgba(254, 153, 6, 0.2);
  transform: translateY(-2px);
}

.join-type-card:hover::before {
  background: linear-gradient(180deg, #FE9906 0%, #FFB74D 100%);
}

.type-info {
  flex: 1;
}

.type-title {
  font-size: 17px;
  font-weight: 600;
  color: #111;
  margin-bottom: 6px;
  transition: color 0.3s ease;
}

.type-desc {
  font-size: 13px;
  color: #888;
  font-weight: 400;
  line-height: 1.5;
}

.type-arrow {
  font-size: 20px;
  color: #CCC;
  margin-left: 16px;
  transition: all 0.4s ease;
}

.join-type-card:hover .type-title {
  color: #FE9906;
}

.join-type-card:hover .type-arrow {
  color: #FE9906;
  transform: translateX(6px);
}

/* === Individual Form Modal Overrides (OPPO Style) === */
#solveFormOverlay {
  background-color: rgba(0, 0, 0, 0.3) !important;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  align-items: center !important;
  justify-content: center !important;
}

#solveFormOverlay .solve-mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  cursor: pointer;
  z-index: 1;
}

/* Hide the modal's internal particle background to keep context of the current page */
#solveFormOverlay #businessParticleContainer {
  display: none !important;
}

#solveFormOverlay .page-container {
  position: relative;
  z-index: 2;
  width: 600px;
  max-width: 90vw;
  margin: auto;
  transform: none !important;
  left: auto !important;
  top: auto !important;
  animation: none !important;
}

#solveFormOverlay .form-card {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-radius: 28px !important;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04) !important;
  border: 1px solid rgba(255, 255, 255, 1) !important;
  padding: 36px 44px !important;
  color: #111 !important;
  animation: oppoZoomIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
  width: 100% !important;
  max-width: 100% !important;
  height: auto !important;
  max-height: 85vh !important;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch;
}

#solveFormOverlay .main-title {
  font-size: 22px !important;
  font-weight: 600 !important;
  color: #111 !important;
  letter-spacing: -0.5px !important;
}

#solveFormOverlay .sub-title {
  color: #888 !important;
  font-size: 14px !important;
  margin-top: 6px !important;
}

#solveFormOverlay .section-title {
  font-size: 15px !important;
  font-weight: 600 !important;
  color: #111 !important;
  margin-bottom: 16px !important;
  position: relative !important;
  padding-left: 14px !important;
}

#solveFormOverlay .section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 14px;
  background: linear-gradient(180deg, #FE9906 0%, #FFB74D 100%);
  border-radius: 2px;
}

/* Card Selections */
#solveFormOverlay .card-select, 
#solveFormOverlay .btn-select,
#solveFormOverlay .tag-select {
  border: 1px solid rgba(0, 0, 0, 0.05) !important;
  background: rgba(0, 0, 0, 0.02) !important;
  border-radius: 16px !important;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
  color: #555 !important;
  font-weight: 500 !important;
  font-size: 14px !important;
  box-shadow: none !important;
  padding: 10px 16px !important;
  text-align: center !important;
  cursor: pointer !important;
}

#solveFormOverlay .card-select:hover, 
#solveFormOverlay .btn-select:hover,
#solveFormOverlay .tag-select:hover {
  background: #FFFFFF !important;
  border-color: rgba(254, 153, 6, 0.4) !important;
  color: #FE9906 !important;
  box-shadow: 0 8px 24px rgba(254, 153, 6, 0.08) !important;
  transform: translateY(-2px) !important;
}

#solveFormOverlay .card-select.selected, 
#solveFormOverlay .btn-select.selected,
#solveFormOverlay .tag-select.selected {
  background: linear-gradient(135deg, #FE9906 0%, #FFB74D 100%) !important;
  border-color: transparent !important;
  color: #FFF !important;
  box-shadow: 0 12px 28px rgba(254, 153, 6, 0.25) !important;
  transform: translateY(-2px) !important;
}

/* Inputs */
#solveFormOverlay .text-input,
#solveFormOverlay .text-area {
  background: rgba(0, 0, 0, 0.02) !important;
  border: 1px solid rgba(0, 0, 0, 0.05) !important;
  border-radius: 16px !important;
  padding: 16px 20px !important;
  font-size: 14px !important;
  color: #111 !important;
  transition: all 0.4s ease !important;
  width: 100% !important;
  box-sizing: border-box !important;
}

#solveFormOverlay .text-input:focus,
#solveFormOverlay .text-area:focus {
  background: #FFFFFF !important;
  border-color: rgba(254, 153, 6, 0.4) !important;
  box-shadow: 0 0 0 4px rgba(254, 153, 6, 0.1) !important;
  outline: none !important;
}

/* Submit Button */
#solveFormOverlay .submit-btn {
  background: linear-gradient(135deg, #1A1A1A 0%, #333333 100%) !important;
  color: #FFF !important;
  border-radius: 16px !important;
  height: 54px !important;
  font-size: 16px !important;
  font-weight: 600 !important;
  letter-spacing: 0.5px !important;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15) !important;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
  margin-top: 30px !important;
  width: 100% !important;
  border: none !important;
  cursor: pointer !important;
}

#solveFormOverlay .submit-btn:hover {
  background: linear-gradient(135deg, #000000 0%, #1A1A1A 100%) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.2) !important;
}

/* Close Icon */
#solveFormOverlay .title-section .iconfont {
  background: rgba(0, 0, 0, 0.04) !important;
  width: 36px !important;
  height: 36px !important;
  border-radius: 50% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  color: #666 !important;
  font-size: 18px !important;
  opacity: 1 !important;
  top: 36px !important;
  right: 44px !important;
  position: absolute !important;
  transition: all 0.4s ease !important;
  cursor: pointer !important;
}

#solveFormOverlay .title-section .iconfont:hover {
  background: rgba(0, 0, 0, 0.08) !important;
  color: #111 !important;
  transform: rotate(90deg) !important;
}

/* Scrollbar */
#solveFormOverlay .form-card::-webkit-scrollbar,
#joinTypeModalOverlay .modal-body::-webkit-scrollbar {
  width: 6px;
}
#solveFormOverlay .form-card::-webkit-scrollbar-thumb,
#joinTypeModalOverlay .modal-body::-webkit-scrollbar-thumb {
  background: #E0E0E0;
  border-radius: 3px;
}
#solveFormOverlay .form-card::-webkit-scrollbar-track,
#joinTypeModalOverlay .modal-body::-webkit-scrollbar-track {
  background: transparent;
}

@keyframes oppoZoomIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* 移动端适配 */
@media (max-width: 768px) {
  #joinTypeModalOverlay .modal-content.oppo-modal {
    width: 90vw;
    border-radius: 20px;
  }
  #joinTypeModalOverlay .modal-header {
    padding: 20px 24px 12px;
  }
  #joinTypeModalOverlay .modal-body {
    padding: 0 24px 28px;
  }
  #joinTypeModalOverlay .join-type-card {
    padding: 16px;
  }
  
  #solveFormOverlay .form-card {
    padding: 24px !important;
    border-radius: 20px !important;
  }
  #solveFormOverlay .title-section .iconfont {
    top: 24px !important;
    right: 24px !important;
    width: 32px !important;
    height: 32px !important;
  }
  #solveFormOverlay .platform-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}