/* 
TACHYON COMPONENTS SYSTEM
Professional UI component library for TachyonBuilt platform
Reusable, accessible, mobile-first components
*/

/* Navigation Components */

/* Professional Header */
.tachyon-header {
  background: var(--tachyon-white);
  border-bottom: 1px solid var(--tachyon-gray-200);
  box-shadow: var(--tachyon-shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--tachyon-z-sticky);
  transition: var(--tachyon-transition-colors);
}

.tachyon-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--tachyon-space-md) var(--tachyon-space-lg);
  max-width: 1280px;
  margin: 0 auto;
}

.tachyon-logo {
  display: flex;
  align-items: center;
  gap: var(--tachyon-space-sm);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--tachyon-primary);
  text-decoration: none;
}

.tachyon-logo:hover {
  opacity: 0.8;
}

/* Professional Navigation */
.tachyon-nav {
  display: none;
  gap: var(--tachyon-space-lg);
}

.tachyon-nav-link {
  display: flex;
  align-items: center;
  gap: var(--tachyon-space-xs);
  padding: var(--tachyon-space-sm) var(--tachyon-space-md);
  color: var(--tachyon-gray-700);
  text-decoration: none;
  border-radius: var(--tachyon-radius-md);
  transition: var(--tachyon-transition-colors);
  font-weight: 500;
}

.tachyon-nav-link:hover {
  color: var(--tachyon-primary);
  background: var(--tachyon-gray-50);
}

.tachyon-nav-link.active {
  color: var(--tachyon-primary);
  background: var(--tachyon-gray-100);
}

/* Mobile Navigation */
.tachyon-mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--tachyon-radius-md);
  transition: var(--tachyon-transition-colors);
}

.tachyon-mobile-menu-btn:hover {
  background: var(--tachyon-gray-100);
}

.tachyon-mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--tachyon-white);
  z-index: var(--tachyon-z-modal);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  padding: var(--tachyon-space-xl);
}

.tachyon-mobile-nav.active {
  transform: translateX(0);
}

.tachyon-mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--tachyon-space-md);
  margin-top: var(--tachyon-space-xl);
}

.tachyon-mobile-nav-link {
  display: flex;
  align-items: center;
  gap: var(--tachyon-space-md);
  padding: var(--tachyon-space-md);
  color: var(--tachyon-gray-800);
  text-decoration: none;
  font-size: 1.125rem;
  font-weight: 500;
  border-radius: var(--tachyon-radius-lg);
  transition: var(--tachyon-transition-colors);
}

.tachyon-mobile-nav-link:hover {
  background: var(--tachyon-gray-50);
  color: var(--tachyon-primary);
}

/* Form Components */

/* Professional Form Container */
.tachyon-form {
  background: var(--tachyon-white);
  padding: var(--tachyon-space-xl);
  border-radius: var(--tachyon-radius-lg);
  box-shadow: var(--tachyon-shadow-md);
  max-width: 500px;
  width: 100%;
}

.tachyon-form-group {
  margin-bottom: var(--tachyon-space-lg);
}

.tachyon-form-label {
  display: block;
  font-weight: 500;
  color: var(--tachyon-gray-700);
  margin-bottom: var(--tachyon-space-xs);
  font-size: 0.875rem;
}

.tachyon-form-input {
  width: 100%;
  padding: var(--tachyon-space-md);
  border: 1px solid var(--tachyon-gray-300);
  border-radius: var(--tachyon-radius-md);
  font-size: 1rem;
  transition: var(--tachyon-transition-colors);
  background: var(--tachyon-white);
}

.tachyon-form-input:focus {
  outline: none;
  border-color: var(--tachyon-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.tachyon-form-input::placeholder {
  color: var(--tachyon-gray-400);
}

.tachyon-form-textarea {
  min-height: 100px;
  resize: vertical;
}

.tachyon-form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
  appearance: none;
}

/* Card Components */

/* Professional Card */
.tachyon-card {
  background: var(--tachyon-white);
  border-radius: var(--tachyon-radius-lg);
  padding: var(--tachyon-space-lg);
  box-shadow: var(--tachyon-shadow-sm);
  border: 1px solid var(--tachyon-gray-100);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.tachyon-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--tachyon-shadow-lg);
}

.tachyon-card-header {
  padding-bottom: var(--tachyon-space-md);
  border-bottom: 1px solid var(--tachyon-gray-100);
  margin-bottom: var(--tachyon-space-md);
}

.tachyon-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--tachyon-gray-900);
  margin: 0;
}

.tachyon-card-subtitle {
  font-size: 0.875rem;
  color: var(--tachyon-gray-500);
  margin: var(--tachyon-space-xs) 0 0 0;
}

.tachyon-card-body {
  color: var(--tachyon-gray-700);
  line-height: 1.6;
}

.tachyon-card-footer {
  padding-top: var(--tachyon-space-md);
  border-top: 1px solid var(--tachyon-gray-100);
  margin-top: var(--tachyon-space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Dashboard Widget */
.tachyon-widget {
  background: var(--tachyon-white);
  border-radius: var(--tachyon-radius-lg);
  padding: var(--tachyon-space-lg);
  box-shadow: var(--tachyon-shadow-sm);
  border: 1px solid var(--tachyon-gray-100);
  position: relative;
}

.tachyon-widget-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--tachyon-space-md);
}

.tachyon-widget-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--tachyon-gray-900);
  margin: 0;
}

.tachyon-widget-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--tachyon-primary);
  margin: var(--tachyon-space-sm) 0;
}

.tachyon-widget-change {
  font-size: 0.875rem;
  font-weight: 500;
}

.tachyon-widget-change.positive {
  color: var(--tachyon-success);
}

.tachyon-widget-change.negative {
  color: var(--tachyon-error);
}

/* Table Components */

/* Professional Table */
.tachyon-table-container {
  background: var(--tachyon-white);
  border-radius: var(--tachyon-radius-lg);
  box-shadow: var(--tachyon-shadow-sm);
  overflow: hidden;
  border: 1px solid var(--tachyon-gray-100);
}

.tachyon-table {
  width: 100%;
  border-collapse: collapse;
}

.tachyon-table th {
  background: var(--tachyon-gray-50);
  padding: var(--tachyon-space-md);
  text-align: left;
  font-weight: 600;
  color: var(--tachyon-gray-700);
  font-size: 0.875rem;
  border-bottom: 1px solid var(--tachyon-gray-200);
}

.tachyon-table td {
  padding: var(--tachyon-space-md);
  border-bottom: 1px solid var(--tachyon-gray-100);
  color: var(--tachyon-gray-700);
}

.tachyon-table tr:hover {
  background: var(--tachyon-gray-50);
}

.tachyon-table tr:last-child td {
  border-bottom: none;
}

/* Button Components */

/* Primary Button */
.tachyon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--tachyon-space-xs);
  padding: var(--tachyon-space-sm) var(--tachyon-space-lg);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--tachyon-radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  min-width: 44px; /* Touch target */
  min-height: 44px;
}

.tachyon-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.tachyon-btn-primary {
  background: var(--tachyon-gradient-primary);
  color: var(--tachyon-white);
}

.tachyon-btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--tachyon-shadow-md);
}

.tachyon-btn-secondary {
  background: var(--tachyon-white);
  color: var(--tachyon-gray-700);
  border: 1px solid var(--tachyon-gray-300);
}

.tachyon-btn-secondary:hover:not(:disabled) {
  background: var(--tachyon-gray-50);
  border-color: var(--tachyon-gray-400);
}

.tachyon-btn-outline {
  background: transparent;
  color: var(--tachyon-primary);
  border: 1px solid var(--tachyon-primary);
}

.tachyon-btn-outline:hover:not(:disabled) {
  background: var(--tachyon-primary);
  color: var(--tachyon-white);
}

.tachyon-btn-sm {
  padding: var(--tachyon-space-xs) var(--tachyon-space-md);
  font-size: 0.75rem;
  min-height: 36px;
}

.tachyon-btn-lg {
  padding: var(--tachyon-space-md) var(--tachyon-space-xl);
  font-size: 1rem;
  min-height: 52px;
}

/* Modal Components */

/* Professional Modal */
.tachyon-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--tachyon-z-modal);
  padding: var(--tachyon-space-md);
}

.tachyon-modal {
  background: var(--tachyon-white);
  border-radius: var(--tachyon-radius-lg);
  box-shadow: var(--tachyon-shadow-2xl);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.tachyon-modal-header {
  padding: var(--tachyon-space-lg);
  border-bottom: 1px solid var(--tachyon-gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tachyon-modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--tachyon-gray-900);
  margin: 0;
}

.tachyon-modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--tachyon-gray-400);
  padding: var(--tachyon-space-xs);
  border-radius: var(--tachyon-radius-md);
  transition: var(--tachyon-transition-colors);
}

.tachyon-modal-close:hover {
  color: var(--tachyon-gray-600);
  background: var(--tachyon-gray-100);
}

.tachyon-modal-body {
  padding: var(--tachyon-space-lg);
}

.tachyon-modal-footer {
  padding: var(--tachyon-space-lg);
  border-top: 1px solid var(--tachyon-gray-200);
  display: flex;
  justify-content: flex-end;
  gap: var(--tachyon-space-md);
}

/* Alert Components */

/* Professional Alerts */
.tachyon-alert {
  padding: var(--tachyon-space-md);
  border-radius: var(--tachyon-radius-md);
  margin-bottom: var(--tachyon-space-md);
  display: flex;
  align-items: flex-start;
  gap: var(--tachyon-space-md);
}

.tachyon-alert-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.tachyon-alert-content {
  flex: 1;
}

.tachyon-alert-title {
  font-weight: 600;
  margin: 0 0 var(--tachyon-space-xs) 0;
}

.tachyon-alert-message {
  margin: 0;
  font-size: 0.875rem;
}

.tachyon-alert-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #065f46;
}

.tachyon-alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: #92400e;
}

.tachyon-alert-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #991b1b;
}

.tachyon-alert-info {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: #1e40af;
}

/* Toast Notifications */
.tachyon-toast {
  position: fixed;
  top: var(--tachyon-space-lg);
  right: var(--tachyon-space-lg);
  background: var(--tachyon-white);
  border-radius: var(--tachyon-radius-lg);
  box-shadow: var(--tachyon-shadow-xl);
  padding: var(--tachyon-space-md);
  z-index: var(--tachyon-z-toast);
  max-width: 400px;
  border: 1px solid var(--tachyon-gray-200);
}

/* Badge Components */
.tachyon-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--tachyon-space-xs) var(--tachyon-space-sm);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--tachyon-radius-full);
  white-space: nowrap;
}

.tachyon-badge-primary {
  background: var(--tachyon-primary);
  color: var(--tachyon-white);
}

.tachyon-badge-success {
  background: var(--tachyon-success);
  color: var(--tachyon-white);
}

.tachyon-badge-warning {
  background: var(--tachyon-warning);
  color: var(--tachyon-white);
}

.tachyon-badge-error {
  background: var(--tachyon-error);
  color: var(--tachyon-white);
}

.tachyon-badge-secondary {
  background: var(--tachyon-gray-100);
  color: var(--tachyon-gray-700);
}

/* Progress Components */
.tachyon-progress {
  width: 100%;
  height: 8px;
  background: var(--tachyon-gray-200);
  border-radius: var(--tachyon-radius-full);
  overflow: hidden;
}

.tachyon-progress-bar {
  height: 100%;
  background: var(--tachyon-gradient-primary);
  border-radius: var(--tachyon-radius-full);
  transition: width 0.5s ease;
}

/* Responsive Design */
@media (min-width: 768px) {
  .tachyon-nav {
    display: flex;
  }
  
  .tachyon-mobile-menu-btn {
    display: none;
  }
  
  .tachyon-form {
    max-width: 600px;
  }
  
  .tachyon-modal {
    max-width: 600px;
  }
}

@media (min-width: 1024px) {
  .tachyon-card {
    padding: var(--tachyon-space-xl);
  }
  
  .tachyon-widget {
    padding: var(--tachyon-space-xl);
  }
  
  .tachyon-form {
    max-width: 700px;
  }
  
  .tachyon-modal {
    max-width: 700px;
  }
}

/* Accessibility Enhancements */
.tachyon-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.tachyon-focus-visible:focus-visible {
  outline: 2px solid var(--tachyon-primary);
  outline-offset: 2px;
}

/* Dark Mode Support (Future Enhancement) */
@media (prefers-color-scheme: dark) {
  /* Dark mode styles can be added here in future */
}