/* Common Styles for DevTools Hub */
:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #64748b;
  --accent-color: #f59e0b;
  --success-color: #10b981;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
  --background-color: #ffffff;
  --surface-color: #f8fafc;
  --border-color: #e2e8f0;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --transition: all 0.2s ease-in-out;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-color);
  font-size: 16px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.5em;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-hover);
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.container-fluid {
  width: 100%;
  padding: 0 1rem;
}

/* Grid System */
.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -0.5rem;
}

.col {
  flex: 1;
  padding: 0 0.5rem;
}

.col-1 {
  flex: 0 0 8.333333%;
}

.col-2 {
  flex: 0 0 16.666667%;
}

.col-3 {
  flex: 0 0 25%;
}

.col-4 {
  flex: 0 0 33.333333%;
}

.col-6 {
  flex: 0 0 50%;
}

.col-8 {
  flex: 0 0 66.666667%;
}

.col-9 {
  flex: 0 0 75%;
}

.col-12 {
  flex: 0 0 100%;
}

/* Header */
.header {
  background: var(--background-color);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.95);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.logo img {
  height: 40px;
  margin-right: 0.5rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-item a {
  font-weight: 500;
  color: var(--text-primary);
  transition: var(--transition);
}

.nav-item a:hover {
  color: var(--primary-color);
}

/* Search Bar */
.search-container {
  position: relative;
  max-width: 400px;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  gap: 0.5rem;
}

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

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

.btn-secondary {
  background-color: var(--surface-color);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--border-color);
}

/* Navigation Dropdown */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 1000;
  list-style: none;
  padding: 0.5rem 0;
}

.dropdown:hover .dropdown-menu,
.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li {
  margin: 0;
}

.dropdown-menu a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

.dropdown-menu a:hover {
  background-color: var(--surface-color);
  color: var(--primary-color);
}


/* Cards */
.card {
  background: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.card-header {
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card-description {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Footer */
footer {
  width: 100%;
  height: 60px;
  text-align: center;
  background-color: #000;
  color: #fff;
  font-size: 13px;
  line-height: 1.5;
  padding: 10px 0 10px 0;
}

footer a {
  color: #fff;
}

.footer {
  background-color: var(--surface-color);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 1rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer-section p,
.footer-section a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-section a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  z-index: 1000;
}

.back-to-top:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
}

.back-to-top.show {
  display: flex;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mt-1 {
  margin-top: 0.25rem;
}

.mt-2 {
  margin-top: 0.5rem;
}

.mt-3 {
  margin-top: 1rem;
}

.mt-4 {
  margin-top: 1.5rem;
}

.mt-5 {
  margin-top: 3rem;
}

.mb-1 {
  margin-bottom: 0.25rem;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-3 {
  margin-bottom: 1rem;
}

.mb-4 {
  margin-bottom: 1.5rem;
}

.mb-5 {
  margin-bottom: 3rem;
}

.p-1 {
  padding: 0.25rem;
}

.p-2 {
  padding: 0.5rem;
}

.p-3 {
  padding: 1rem;
}

.p-4 {
  padding: 1.5rem;
}

.p-5 {
  padding: 3rem;
}

/* Notifications */
.notification {
  position: fixed;
  top: 2rem;
  right: 2rem;
  background: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow-lg);
  z-index: 1001;
  transform: translateX(100%);
  transition: transform 0.3s ease-in-out;
  max-width: 300px;
}

.notification.show {
  transform: translateX(0);
}

.notification-success {
  border-left: 4px solid var(--success-color);
}

.notification-error {
  border-left: 4px solid var(--error-color);
}

.notification-warning {
  border-left: 4px solid var(--warning-color);
}

.notification-info {
  border-left: 4px solid var(--primary-color);
}

/* Tooltip */
.tooltip {
  position: absolute;
  background: var(--text-primary);
  color: white;
  padding: 0.5rem 0.75rem;
  border-radius: var(--border-radius);
  font-size: 0.75rem;
  white-space: nowrap;
  z-index: 1002;
  pointer-events: none;
}

.tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: var(--text-primary);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: var(--transition);
}

/* Loading Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-top: 2px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

/* Form Elements */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 0.75rem;
  }

  .navbar {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-menu {
    gap: 1rem;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    flex-direction: column;
    gap: 0.5rem;
  }

  .nav-menu.active {
    display: flex;
    height: 100vh;
  }

  .search-container {
    max-width: 100%;
  }

  .col-md-6 {
    flex: 0 0 50%;
  }

  .col-md-12 {
    flex: 0 0 100%;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 45px;
    height: 45px;
  }

  .notification {
    right: 1rem;
    left: 1rem;
    max-width: none;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: transparent;
  }

  .dropdown:hover .dropdown-menu,
  .dropdown.active .dropdown-menu {
    display: block;
  }

  .nav-right {
    width: 100%;
    display: flex;
    justify-content: space-around;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 0.5rem;
  }

  .navbar {
    padding: 0.75rem 0;
  }

  .col-sm-12 {
    flex: 0 0 100%;
  }

  .card {
    padding: 1rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}