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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: transparent;
  overflow: hidden;
}

.hidden {
  display: none !important;
}

#app {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1000;
  pointer-events: none;
}

.container {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%) translateX(100%);
  width: 420px;
  border-radius: 25px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  pointer-events: all;
}

.container.show {
  transform: translateY(-50%) translateX(0);
}

/* Progress Overlay */
.progress-overlay {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: auto;
  height: auto;
  background: transparent;
  backdrop-filter: none;
  z-index: 1500;
  pointer-events: none;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-overlay.show {
  transform: translateX(0);
}

.progress-container {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 24px;
  text-align: center;
  width: 320px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
  pointer-events: all;
}

.progress-title {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.progress-info {
  font-size: 16px;
  color: #4caf50;
  margin-bottom: 20px;
  font-weight: 600;
}

.progress-bar-container {
  width: 100%;
  height: 12px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #4caf50 0%, #45a049 100%);
  border-radius: 6px;
  width: 0%;
  transition: width 0.3s ease;
  box-shadow: 0 0 10px rgba(76, 175, 80, 0.5);
  position: relative;
  overflow: hidden;
}

.progress-bar::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  to {
    left: 100%;
  }
}

.progress-instructions {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

/* Dark Theme */
.theme-dark {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-dark .header {
  background: linear-gradient(135deg, #2a2a2a 0%, #3a3a3a 50%, #2a2a2a 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.theme-dark .header h2,
.theme-dark .section label,
.theme-dark .settings-title {
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.theme-dark .close-btn {
  color: #999;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.theme-dark .close-btn:hover {
  background: rgba(255, 0, 0, 0.2);
  color: #ff4444;
  border-color: rgba(255, 68, 68, 0.5);
  transform: scale(1.1);
}

.theme-dark .preset-btn,
.theme-dark .money-type-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  backdrop-filter: blur(10px);
}

.theme-dark .preset-btn:hover,
.theme-dark .money-type-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.1);
}

.theme-dark .custom-amount {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  backdrop-filter: blur(10px);
}

.theme-dark .custom-amount:focus {
  border-color: #4caf50;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 20px rgba(76, 175, 80, 0.3);
  outline: none;
}

.theme-dark .custom-amount::placeholder {
  color: #888;
}

.theme-dark .input-prefix {
  color: #888;
}

.theme-dark .btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.theme-dark .settings-panel {
  background: linear-gradient(135deg, #2a2a2a 0%, #3a3a3a 50%, #2a2a2a 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.theme-dark .confirmation-dialog {
  background: linear-gradient(135deg, #2a2a2a 0%, #3a3a3a 50%, #2a2a2a 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.theme-dark .settings-section h3 {
  color: rgba(255, 255, 255, 0.8);
}

.theme-dark .confirmation-title,
.theme-dark .confirmation-message {
  color: #ffffff;
}

/* Light Theme */
.theme-light {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 50%, #ffffff 100%);
  border: 1px solid rgba(0, 0, 0, 0.15);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-light .header {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #f8f9fa 100%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.15);
}

.theme-light .header h2,
.theme-light .section label,
.theme-light .settings-title {
  color: #333;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.5);
}

.theme-light .close-btn {
  color: #666;
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.theme-light .close-btn:hover {
  background: rgba(255, 0, 0, 0.1);
  color: #ff4444;
  border-color: rgba(255, 68, 68, 0.3);
  transform: scale(1.1);
}

.theme-light .preset-btn,
.theme-light .money-type-btn {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: #333;
  backdrop-filter: blur(10px);
}

.theme-light .preset-btn:hover,
.theme-light .money-type-btn:hover {
  background: rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.15);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.theme-light .custom-amount {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: #333;
  backdrop-filter: blur(10px);
}

.theme-light .custom-amount:focus {
  border-color: #4caf50;
  background: rgba(0, 0, 0, 0.08);
  box-shadow: 0 0 20px rgba(76, 175, 80, 0.3);
  outline: none;
}

.theme-light .custom-amount::placeholder {
  color: #666;
}

.theme-light .input-prefix {
  color: #666;
}

.theme-light .btn-secondary {
  background: rgba(0, 0, 0, 0.08);
  color: #333;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.theme-light .btn-secondary:hover {
  background: rgba(0, 0, 0, 0.12);
  border-color: rgba(0, 0, 0, 0.2);
}

.theme-light .settings-panel {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #f8f9fa 100%);
  border-top: 1px solid rgba(0, 0, 0, 0.15);
}

.theme-light .confirmation-dialog {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #f8f9fa 100%);
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.theme-light .settings-section h3 {
  color: rgba(0, 0, 0, 0.7);
}

.theme-light .confirmation-title,
.theme-light .confirmation-message {
  color: #333;
}

/* Common Styles */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 28px;
  border-radius: 25px 25px 0 0;
}

.header h2 {
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.close-btn {
  border: none;
  font-size: 18px;
  cursor: pointer;
  padding: 10px;
  border-radius: 15px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.content {
  padding: 28px;
  border-radius: 0 0 25px 25px;
}

.section {
  margin-bottom: 28px;
}

.section label {
  display: block;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

.preset-amounts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.preset-btn {
  padding: 16px 12px;
  border-radius: 15px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.3px;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.preset-btn::before,
.money-type-btn::before,
.btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  pointer-events: none;
}

.preset-btn:active::before,
.money-type-btn:active::before,
.btn:active::before {
  width: 300px;
  height: 300px;
}

.preset-btn.active {
  background: linear-gradient(135deg, #4caf50 0%, #45a049 100%) !important;
  border-color: #4caf50 !important;
  color: white !important;
  box-shadow: 0 8px 25px rgba(76, 175, 80, 0.4) !important;
  transform: translateY(-3px) !important;
}

.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix {
  position: absolute;
  left: 14px;
  font-weight: 600;
  z-index: 1;
  font-size: 16px;
}

.custom-amount {
  width: 100%;
  padding: 16px 16px 16px 32px;
  border-radius: 15px;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
}

.money-type-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.money-type-btn {
  padding: 24px 20px;
  border-radius: 18px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 100px;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.money-type-btn i {
  font-size: 32px;
}

.money-type-btn span {
  font-size: 16px;
  font-weight: 700;
  text-align: center;
  line-height: 1.2;
  letter-spacing: 0.3px;
}

.money-type-btn.active {
  background: linear-gradient(135deg, #2196f3 0%, #1976d2 100%) !important;
  border-color: #2196f3 !important;
  color: white !important;
  box-shadow: 0 8px 25px rgba(33, 150, 243, 0.4) !important;
  transform: translateY(-3px) !important;
}

.actions {
  display: flex;
  gap: 14px;
  margin-top: 36px;
}

.btn {
  padding: 18px 24px;
  border: none;
  border-radius: 16px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  letter-spacing: 0.3px;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn:hover:not(:disabled) {
  transform: translateY(-2px) scale(1.02);
}

.btn-primary {
  flex: 1;
  background: linear-gradient(135deg, #4caf50 0%, #45a049 100%);
  color: white;
  box-shadow: 0 6px 20px rgba(76, 175, 80, 0.3);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #45a049 0%, #3d8b40 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(76, 175, 80, 0.4);
}

.btn-primary:disabled {
  background: linear-gradient(135deg, #cccccc 0%, #999999 100%);
  color: #666;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.settings-btn {
  width: 56px !important;
  padding: 18px !important;
}

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

.btn-danger {
  background: linear-gradient(135deg, #f44336 0%, #d32f2f 100%);
  color: white;
  box-shadow: 0 6px 20px rgba(244, 67, 54, 0.3);
}

.btn-danger:hover {
  background: linear-gradient(135deg, #d32f2f 0%, #b71c1c 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(244, 67, 54, 0.4);
}

/* Settings Panel */
.settings-panel {
  padding: 28px;
  border-radius: 0 0 25px 25px;
  display: none;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.settings-panel.show {
  opacity: 1;
  transform: translateY(0);
}

.settings-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.5px;
}

.settings-section {
  margin-bottom: 24px;
}

.settings-section h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.theme-selector {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.theme-btn {
  padding: 16px 20px;
  border-radius: 15px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid transparent;
  letter-spacing: 0.3px;
}

.theme-btn.active {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.theme-btn.dark {
  background: linear-gradient(135deg, #2a2a2a 0%, #3a3a3a 100%);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}

.theme-btn.light {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  color: #333;
  border-color: rgba(0, 0, 0, 0.2);
}

/* Confirmation Dialog */
.confirmation-dialog {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 360px;
  padding: 28px;
  border-radius: 20px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  z-index: 20;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  animation: fadeInScale 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
}

.confirmation-dialog.show {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  visibility: visible;
  animation: fadeInScale 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.confirmation-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.5px;
}

.confirmation-message {
  font-size: 15px;
  margin-bottom: 24px;
  opacity: 0.9;
  line-height: 1.5;
  font-weight: 500;
}

.confirmation-actions {
  display: flex;
  gap: 14px;
}

/* Enhanced button interactions */
.preset-btn,
.money-type-btn,
.btn,
.theme-btn {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.preset-btn::before,
.money-type-btn::before,
.btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  pointer-events: none;
}

.preset-btn:active::before,
.money-type-btn:active::before,
.btn:active::before {
  width: 300px;
  height: 300px;
}

/* Enhanced hover states */
.preset-btn:hover,
.money-type-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Loading states */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Error state animations */
.input-error {
  animation: shake 0.5s ease-in-out;
  border-color: #ff4444 !important;
}

.error-message {
  animation: slideInFromBottom 0.3s ease-out;
  background: linear-gradient(135deg, #ff4444, #cc0000);
  color: white;
  padding: 12px 16px;
  border-radius: 12px;
  margin-top: 8px;
  font-size: 14px;
  box-shadow: 0 4px 15px rgba(255, 68, 68, 0.3);
}

/* Success feedback */
.success-feedback {
  animation: bounce 0.6s ease-out;
}

/* Enhanced input focus states */
.custom-amount:focus {
  animation: pulseGlow 2s infinite;
  transform: scale(1.02);
}

/* Tooltip system */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.9);
  color: white;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  pointer-events: none;
  z-index: 1000;
}

.tooltip:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-5px);
}

/* Staggered animations for preset amounts */
.preset-btn:nth-child(1) {
  animation-delay: 0.1s;
}
.preset-btn:nth-child(2) {
  animation-delay: 0.15s;
}
.preset-btn:nth-child(3) {
  animation-delay: 0.2s;
}
.preset-btn:nth-child(4) {
  animation-delay: 0.25s;
}
.preset-btn:nth-child(5) {
  animation-delay: 0.3s;
}
.preset-btn:nth-child(6) {
  animation-delay: 0.35s;
}
.preset-btn:nth-child(7) {
  animation-delay: 0.4s;
}
.preset-btn:nth-child(8) {
  animation-delay: 0.45s;
}
.preset-btn:nth-child(9) {
  animation-delay: 0.5s;
}

.preset-amounts.animate .preset-btn {
  animation: slideInFromBottom 0.4s ease-out both;
}

/* Enhanced theme transitions */
.container {
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Improved accessibility */
.btn:focus,
.preset-btn:focus,
.money-type-btn:focus,
.theme-btn:focus {
  outline: 2px solid #4caf50;
  outline-offset: 2px;
}

/* Enhanced Animations and Transitions */
@keyframes slideInFromRight {
  from {
    transform: translateY(-50%) translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateY(-50%) translateX(0);
    opacity: 1;
  }
}

@keyframes slideInFromBottom {
  from {
    transform: translateX(0) translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateX(0) translateY(0);
    opacity: 1;
  }
}

@keyframes pulseGlow {
  0%,
  100% {
    box-shadow: 0 0 5px rgba(76, 175, 80, 0.3);
  }
  50% {
    box-shadow: 0 0 20px rgba(76, 175, 80, 0.6);
  }
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-5px);
  }
  75% {
    transform: translateX(5px);
  }
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .container {
    width: 95%;
    right: 2.5%;
    left: 2.5%;
    transform: translateY(-50%) translateX(0);
  }

  .container.show {
    transform: translateY(-50%) translateX(0);
  }

  .preset-amounts {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .preset-btn {
    padding: 20px 16px;
    font-size: 16px;
  }

  .money-type-btn {
    padding: 20px 16px;
    min-height: 80px;
  }

  .theme-selector {
    grid-template-columns: 1fr;
  }
}

/* Enhanced dark/light theme specific animations */
.theme-dark .preset-btn:hover,
.theme-dark .money-type-btn:hover {
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.1);
}

.theme-light .preset-btn:hover,
.theme-light .money-type-btn:hover {
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}