/* 
 * NULL // TOOLS - COMPONENTS STYLESHEET
 * Cards, Dropzone, Modals, Sliders, Buttons & UI Controls
 */

/* Tool Grid Layout */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 20px;
}

/* Tool Card Component */
.tool-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 24px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 180px;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.tool-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: transparent;
  transition: var(--transition-fast);
}

.tool-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-bright);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.tool-card:hover::before {
  background: var(--text-main);
}

.tool-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}

.tool-icon-box {
  width: 44px;
  height: 44px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  transition: var(--transition-fast);
}

.tool-card:hover .tool-icon-box {
  background: var(--text-main);
  color: var(--bg-primary);
  border-color: var(--text-main);
}

.tool-icon-box svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
}

.tool-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;

}

.tool-desc {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 16px;
}

.tool-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.tool-action-link {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-main);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.tool-card:hover .tool-action-link {
  gap: 10px;
}

/* Modal Overlay & Structure */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.modal-container {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 1100px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.9);
  transform: scale(0.95);
  transition: all var(--transition-normal);
  overflow: hidden;
}

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

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
}

.modal-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
}

.btn-close-modal {
  background: transparent;
  border: 1px solid var(--border-medium);
  color: var(--text-muted);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-close-modal:hover {
  background: var(--accent-dot);
  color: #fff;
  border-color: var(--accent-dot);
}

.modal-body {
  padding: 28px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 18px 24px;
  border-top: 1px solid var(--border-dim);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Drag and Drop Zone */
.dropzone-container {
  border: 2px dashed var(--border-medium);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

.dropzone-container:hover, .dropzone-container.dragover {
  border-color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.05);
}

.dropzone-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px auto;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
}

.dropzone-icon svg {
  width: 26px;
  height: 26px;
  stroke: currentColor;
}

.dropzone-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-main);
}

.dropzone-subtitle {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 20px;
}

/* File Input Overlay */
.dropzone-file-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

/* Buttons System */
.btn-primary {
  background: var(--text-main);
  color: var(--bg-primary);
  border: 1px solid var(--text-main);
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.btn-primary:hover {
  background: #ffffff;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.4);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-medium);
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-main);
}

.btn-danger {
  background: transparent;
  color: #ff4d4d;
  border: 1px solid #ff4d4d;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-danger:hover {
  background: #ff4d4d;
  color: #fff;
}

/* Controls Form Elements */
.control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.control-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.control-input, .control-select {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 10px 14px;
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: var(--transition-fast);
}

.control-input:focus, .control-select:focus {
  border-color: var(--accent-mono);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.15);
}

/* Range Slider */
.control-range {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--border-dim);
  border-radius: 3px;
  outline: none;
}

.control-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-main);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
  transition: var(--transition-fast);
}

.control-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-left: 4px solid var(--text-main);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 13px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.8);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slide-in 0.3s ease-out;
}

@keyframes slide-in {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}