:root {
  --primary-color: #de9406;
  --secondary-color: #d6a750;
  --accent-color: #ffebc4;
  --dark-bg: #1e1e1e;
  --light-bg: #fffdee;
  --text-light: #ffffff;
  --text-secondary: #a8a8a8;
  --success: #4caf50;
  --warning: #ff9800;
  --danger: #f44336;
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tools-parent-container .bg-animation {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1;
  opacity: 0.1;
}
.tools-parent-container .bg-animation::before {
  content: "";
  position: absolute;
  width: 200px;
  height: 200px;
  background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
  border-radius: 50%;
  animation: float 20s infinite ease-in-out;
}
.tools-parent-container .bg-animation::after {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
  border-radius: 50%;
  right: 0;
  bottom: 0;
  animation: float 25s infinite ease-in-out reverse;
}
@keyframes float {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  33% {
    transform: translate(30px, -30px) rotate(120deg);
  }
  66% {
    transform: translate(-20px, 20px) rotate(240deg);
  }
}
.tools-parent-container {
  /* Container */
}
.tools-parent-container .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}
.tools-parent-container {
  /* Header */
}
.tools-parent-container header {
  text-align: center;
  padding: 40px 20px;
  animation: slideDown 0.8s ease-out;
}
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.tools-parent-container h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 10px;
  font-weight: 800;
}
.tools-parent-container .subtitle {
  color: var(--text-secondary);
  font-size: clamp(0.9rem, 2vw, 1.2rem);
}
.tools-parent-container {
  /* Mode Selector */
}
.tools-parent-container .mode-selector {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 30px 0;
  flex-wrap: wrap;
}
.tools-parent-container .mode-btn {
  padding: 15px 40px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border: none;
  border-radius: var(--border-radius);
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.tools-parent-container .mode-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  transition: left 0.5s;
}
.tools-parent-container .mode-btn:hover::before {
  left: 100%;
}
.tools-parent-container .mode-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}
.tools-parent-container .mode-btn.active {
  background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
  box-shadow: 0 5px 20px rgba(240, 147, 251, 0.3);
}
.tools-parent-container {
  /* Main Card */
}
.tools-parent-container .main-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 30px;
  margin: 20px 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  animation: fadeIn 1s ease-out;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
.tools-parent-container {
  /* Upload Area */
}
.tools-parent-container .upload-area {
  border: 3px dashed #de9406;
  border-radius: var(--border-radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: #ffebc4;
  margin-bottom: 30px;
}
.tools-parent-container .upload-area:hover {
  border-color: #1e1e1e;
  background: rgba(102, 126, 234, 0.1);
  transform: scale(1.02);
}
.tools-parent-container .upload-area.dragover {
  border-color: var(--accent-color);
  background: rgba(240, 147, 251, 0.1);
}
.tools-parent-container .upload-icon {
  font-size: 4rem;
  margin-bottom: 20px;
  animation: pulse 2s infinite;
  line-height: 1.2em;
}
@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}
.tools-parent-container .upload-text {
  font-size: 1.2rem;
  margin-bottom: 10px;
}
.tools-parent-container .upload-subtext {
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.tools-parent-container input[type=file] {
  display: none;
}
.tools-parent-container {
  /* Audio List */
}
.tools-parent-container .audio-list {
  margin: 30px 0;
}
.tools-parent-container .audio-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  padding: 20px;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 15px;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.tools-parent-container .audio-item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateX(5px);
}
.tools-parent-container .audio-icon {
  font-size: 2rem;
  color: var(--primary-color);
}
.tools-parent-container .audio-info {
  flex: 1;
}
.tools-parent-container .audio-name {
  font-weight: 600;
  margin-bottom: 5px;
  word-break: break-word;
}
.tools-parent-container .audio-details {
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.tools-parent-container .audio-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.tools-parent-container .btn-small {
  padding: 8px 15px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: white;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
}
.tools-parent-container .btn-small:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}
.tools-parent-container .btn-remove {
  background: rgba(244, 67, 54, 0.2);
  border-color: var(--danger);
  color:var(--danger);
}
.tools-parent-container .btn-remove:hover {
  background: rgba(244, 67, 54, 0.4);
}
.tools-parent-container {
  /* Waveform Container */
}
.tools-parent-container .waveform-container {
  background: #ffebc4;
  border-radius: var(--border-radius);
  padding: 20px;
  margin: 20px 0;
  min-height: 200px;
  position: relative;
}
.tools-parent-container #waveform {
  width: 100%;
  position: relative;
}
.tools-parent-container .waveform-selection {
  position: absolute;
  top: 0;
  height: 100%;
  background: rgba(102, 126, 234, 0.3);
  border-left: 2px solid var(--primary-color);
  border-right: 2px solid var(--primary-color);
  pointer-events: none;
}
.tools-parent-container {
  /* Controls */
}
.tools-parent-container .controls {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin: 20px 0;
  flex-wrap: wrap;
}
.tools-parent-container .control-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}
.tools-parent-container .control-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}
.tools-parent-container .control-btn:active {
  transform: scale(0.95);
}
.tools-parent-container {
  /* Time Range Selector */
}
.tools-parent-container .time-selector {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  padding: 20px;
  margin: 20px 0;
}
.tools-parent-container .time-inputs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 15px;
}
.tools-parent-container .time-input-group {
  display: flex;
  flex-direction: column;
}
.tools-parent-container .time-input-group label {
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.tools-parent-container .time-input {
  padding: 12px;
  background: #ffebc4;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: #1e1e1e;
  font-size: 1rem;
  transition: var(--transition);
}
.tools-parent-container .time-input:focus {
  outline: none;
  border-color: #1e1e1e;

}
.tools-parent-container .time-display {
  margin-top: 15px;
  padding: 10px;
  background: #ffebc4;
  border-radius: 8px;
  text-align: center;
  color: #1e1e1e
}
.tools-parent-container {
  /* Action Buttons */
}
.tools-parent-container .action-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 30px 0;
  flex-wrap: wrap;
}
.tools-parent-container .btn-primary {
  padding: 15px 40px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border: none;
  border-radius: var(--border-radius);
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}
.tools-parent-container .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
  background-image: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) !important;

}
.tools-parent-container .btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}
.tools-parent-container {
  /* Progress Bar */
}
.tools-parent-container .progress-container {
  display: none;
  margin: 20px 0;
}
.tools-parent-container .progress-container.active {
  display: block;
}
.tools-parent-container .progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
}
.tools-parent-container .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: 10px;
  width: 0%;
  transition: width 0.3s ease;
  position: relative;
  overflow: hidden;
}
.tools-parent-container .progress-fill::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}
@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}
.tools-parent-container .progress-text {
  text-align: center;
  margin-top: 10px;
  color: var(--text-secondary);
}
.tools-parent-container {
  /* Toast Notifications */
}
.tools-parent-container .toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: rgba(0, 0, 0, 0.9);
  color: white;
  padding: 15px 25px;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  max-width: 350px;
  border-left: 4px solid var(--primary-color);
}
.tools-parent-container .toast.show {
  opacity: 1;
  transform: translateY(0);
}
.tools-parent-container .toast.success {
  border-left-color: var(--success);
}
.tools-parent-container .toast.error {
  border-left-color: var(--danger);
}
.tools-parent-container {
  /* Modal */
}
.tools-parent-container .modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.tools-parent-container .modal.active {
  display: flex;
}
.tools-parent-container .modal-content {
  background: linear-gradient(135deg, var(--dark-bg), var(--light-bg));
  border-radius: 20px;
  padding: 30px;
  max-width: 500px;
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  animation: modalSlide 0.3s ease-out;
}
@keyframes modalSlide {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}
.tools-parent-container .modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.tools-parent-container .modal-title {
  font-size: 1.5rem;
  font-weight: 600;
}
.tools-parent-container .modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}
.tools-parent-container .modal-close:hover {
  color: white;
  transform: rotate(90deg);
}
.tools-parent-container {
  /* Responsive Design */
}
@media (max-width: 768px) {
  .tools-parent-container .container {
    padding: 15px;
  }
  .tools-parent-container header {
    padding: 30px 15px;
  }
  .tools-parent-container .main-card {
    padding: 20px;
    border-radius: 15px;
  }
  .tools-parent-container .mode-btn {
    padding: 12px 30px;
    font-size: 1rem;
  }
  .tools-parent-container .upload-area {
    padding: 30px 15px;
  }
  .tools-parent-container .upload-icon {
    font-size: 3rem;
  }
  .tools-parent-container .control-btn {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
  }
  .tools-parent-container .audio-item {
    flex-direction: column;
    text-align: center;
  }
  .tools-parent-container .audio-actions {
    justify-content: center;
    width: 100%;
  }
  .tools-parent-container .btn-primary {
    padding: 12px 30px;
    font-size: 1rem;
  }
  .tools-parent-container .toast {
    bottom: 20px;
    right: 20px;
    left: 20px;
    max-width: none;
  }
}
@media (max-width: 480px) {
  .tools-parent-container h1 {
    font-size: 1.8rem;
  }
  .tools-parent-container .subtitle {
    font-size: 0.9rem;
  }
  .tools-parent-container .mode-selector {
    flex-direction: column;
    gap: 10px;
  }
  .tools-parent-container .mode-btn {
    width: 100%;
  }
  .tools-parent-container .time-inputs {
    grid-template-columns: 1fr;
  }
  .tools-parent-container .action-buttons {
    flex-direction: column;
  }
  .tools-parent-container .btn-primary {
    width: 100%;
  }
}
.tools-parent-container {
  /* Loading Spinner */
}
.tools-parent-container .spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.tools-parent-container {
  /* Disabled State */
}
.tools-parent-container .disabled {
  opacity: 0.5;
  pointer-events: none;
}
.tools-parent-container {
  /* Custom Scrollbar */
}
.tools-parent-container ::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
.tools-parent-container ::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
}
.tools-parent-container ::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 10px;
}
.tools-parent-container ::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
}