@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Light Mode Colors */
  --bg-gradient-start: hsl(210, 100%, 95%);
  --bg-gradient-end: hsl(280, 100%, 95%);
  --text-primary: hsl(240, 10%, 15%);
  --text-secondary: hsl(240, 5%, 40%);
  --card-bg: rgba(255, 255, 255, 0.65);
  --card-border: rgba(255, 255, 255, 0.8);
  --card-shadow: rgba(0, 0, 0, 0.08);
  --header-bg: rgba(255, 255, 255, 0.75);
  --input-bg: rgba(255, 255, 255, 0.5);
  --input-border: rgba(0, 0, 0, 0.1);
  --accent-primary: hsl(280, 80%, 55%);
  --accent-secondary: hsl(210, 90%, 55%);
  --status-online: hsl(145, 70%, 50%);
  --status-offline: hsl(0, 70%, 55%);
  --modal-bg: rgba(255, 255, 255, 0.95);
  --overlay-bg: rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] {
  /* Dark Mode Colors */
  --bg-gradient-start: hsl(240, 20%, 10%);
  --bg-gradient-end: hsl(280, 30%, 15%);
  --text-primary: hsl(0, 0%, 95%);
  --text-secondary: hsl(0, 0%, 70%);
  --card-bg: rgba(30, 30, 45, 0.7);
  --card-border: rgba(255, 255, 255, 0.1);
  --card-shadow: rgba(0, 0, 0, 0.3);
  --header-bg: rgba(20, 20, 30, 0.85);
  --input-bg: rgba(255, 255, 255, 0.05);
  --input-border: rgba(255, 255, 255, 0.15);
  --accent-primary: hsl(280, 70%, 65%);
  --accent-secondary: hsl(210, 80%, 60%);
  --status-online: hsl(145, 65%, 55%);
  --status-offline: hsl(0, 65%, 60%);
  --modal-bg: rgba(25, 25, 35, 0.98);
  --overlay-bg: rgba(0, 0, 0, 0.7);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  transition: background 0.5s ease, color 0.3s ease;
  overflow-x: hidden;
}

/* Header */
header {
  background: var(--header-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  padding: 1.5rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all 0.3s ease;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  font-size: 2rem;
  filter: drop-shadow(0 2px 8px rgba(255, 200, 0, 0.3));
  animation: float 3s ease-in-out infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-5px);
  }
}

.site-title {
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.site-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* Search Bar */
.search-container {
  flex: 1;
  max-width: 600px;
}

.search-bar {
  width: 100%;
  padding: 0.875rem 1.25rem;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 12px;
  font-size: 1rem;
  color: var(--text-primary);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  font-family: 'Inter', sans-serif;
}

.search-bar:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(138, 43, 226, 0.1);
  transform: translateY(-1px);
}

.search-bar::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

/* Header Actions */
.header-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.icon-btn {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: var(--input-bg);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.icon-btn:hover {
  transform: translateY(-2px) scale(1.05);
  background: var(--card-bg);
  box-shadow: 0 4px 12px var(--card-shadow);
  border-color: var(--accent-primary);
}

.icon-btn:active {
  transform: translateY(0) scale(0.98);
}

/* User Profile */
.user-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  background: var(--input-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.user-profile:hover {
  background: var(--card-bg);
  border-color: var(--accent-primary);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-primary);
  box-shadow: 0 2px 8px rgba(138, 43, 226, 0.2);
}

.user-info {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.user-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.user-email {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.2;
}

/* Main Container */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

/* Greeting Section */
.greeting-section {
  margin-bottom: 2.5rem;
  animation: slideDown 0.6s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.greeting-text {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.greeting-subtext {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  animation: fadeIn 0.8s ease 0.2s both;
}

.stat-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 2px 12px var(--card-shadow);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--card-shadow);
  border-color: var(--accent-primary);
}

.stat-icon {
  font-size: 2rem;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(138, 43, 226, 0.1), rgba(52, 152, 219, 0.1));
  border-radius: 12px;
  flex-shrink: 0;
}

.stat-info {
  flex: 1;
}

.stat-value {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Service Card */
.service-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 1.75rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px var(--card-shadow);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.service-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--accent-primary);
}

.service-card:hover::before {
  opacity: 0.05;
}

.service-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(138, 43, 226, 0.2);
  transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
  transform: rotate(5deg) scale(1.1);
}

.service-info {
  flex: 1;
}

.service-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.service-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--status-online);
  animation: pulse 2s infinite;
}

.status-dot.offline {
  background: var(--status-offline);
  animation: none;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.6;
    transform: scale(1.1);
  }
}

.service-description {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-primary);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: gap 0.3s ease;
}

.service-card:hover .service-link {
  gap: 0.75rem;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal.active {
  display: flex;
  animation: fadeIn 0.3s ease;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--overlay-bg);
  backdrop-filter: blur(4px);
}

.modal-content {
  background: var(--modal-bg);
  backdrop-filter: blur(40px);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 2.5rem;
  max-width: 600px;
  width: 100%;
  position: relative;
  z-index: 1;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.modal-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.close-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: none;
  background: var(--input-bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.close-btn:hover {
  background: var(--card-bg);
  transform: rotate(90deg);
}

.settings-group {
  margin-bottom: 2rem;
}

.settings-group:last-child {
  margin-bottom: 0;
}

.settings-group h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: var(--input-bg);
  border-radius: 12px;
  margin-bottom: 0.75rem;
  transition: all 0.2s ease;
}

.setting-item:hover {
  background: var(--card-bg);
}

.setting-label {
  font-size: 0.9375rem;
  color: var(--text-primary);
}

.setting-description {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  width: 48px;
  height: 26px;
  background: var(--input-border);
  border-radius: 13px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.toggle-switch.active {
  background: var(--accent-primary);
}

.toggle-slider {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch.active .toggle-slider {
  transform: translateX(22px);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-message {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.empty-description {
  font-size: 0.9375rem;
  opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
  header {
    padding: 1rem;
  }

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

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

  .services-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  main {
    padding: 2rem 1rem;
  }

  .modal-content {
    padding: 1.5rem;
  }

  .logo-section {
    width: 100%;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

@media (max-width: 480px) {
  .site-title {
    font-size: 1.5rem;
  }

  .service-card {
    padding: 1.25rem;
  }

  .service-icon {
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Selection */
::selection {
  background: var(--accent-primary);
  color: white;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-gradient-start);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-primary);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-secondary);
}