:root {
  --primary-color: #C5392A;
  --primary-dark: #A02E22;
  --primary-light: #E94A36;
  --secondary-color: #2C5282;
  --success-color: #38A169;
  --warning-color: #D69E2E;
  --error-color: #E53E3E;
  --text-primary: #2D3748;
  --text-secondary: #4A5568;
  --text-muted: #718096;
  --background-primary: #FFFFFF;
  --background-secondary: #F7FAFC;
  --background-tertiary: #EDF2F7;
  --border-color: #E2E8F0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --transition: all 0.2s ease-in-out;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

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

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-secondary);
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header Styles */
.header {
  background: var(--background-primary);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.logo h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Navigation Styles */
.nav {
  background: var(--background-primary);
  border-top: 1px solid var(--border-color);
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 0;
}

.nav-link {
  display: block;
  padding: 15px 20px;
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition);
  border-bottom: 3px solid transparent;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  background: var(--background-secondary);
}

/* Main Content */
.main {
  padding: 40px 0;
  min-height: calc(100vh - 200px);
}

.section {
  display: none;
}

.section.active {
  display: block;
}

.section-header {
  margin-bottom: 30px;
  text-align: center;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.section-header p {
  font-size: 18px;
  color: var(--text-secondary);
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  min-width: 120px;
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background: #2A4A75;
  transform: translateY(-1px);
}

.btn-emergency {
  background: var(--primary-color);
  color: white;
  font-size: 18px;
  font-weight: 700;
  padding: 16px 32px;
  box-shadow: var(--shadow-md);
}

.btn-emergency:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

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

.btn-small {
  padding: 8px 16px;
  font-size: 14px;
  min-width: auto;
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.dashboard-card {
  background: var(--background-primary);
  padding: 30px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition);
}

.dashboard-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.emergency-card {
  border: 2px solid var(--primary-light);
  background: linear-gradient(135deg, #FFF5F5, #FFFFFF);
}

.card-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.dashboard-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.dashboard-card p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.5;
}

/* SOS Button */
.sos-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.sos-button-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 400px;
}

.sos-button {
  position: relative;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 36px;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  overflow: hidden;
}

.sos-button:hover {
  transform: scale(1.05);
  box-shadow: 0 15px 25px rgba(197, 57, 42, 0.3);
}

.sos-button:active {
  transform: scale(0.95);
}

.sos-button small {
  font-size: 12px;
  font-weight: 600;
  margin-top: 4px;
  letter-spacing: 2px;
}

.sos-ripple {
  position: absolute;
  border: 2px solid var(--primary-light);
  border-radius: 50%;
  width: 100%;
  height: 100%;
  animation: ripple 2s infinite;
  opacity: 0.7;
}

@keyframes ripple {
  0% {
    transform: scale(1);
    opacity: 0.7;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.sos-info {
  background: var(--background-primary);
  padding: 30px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.sos-info h3 {
  margin-bottom: 20px;
  color: var(--text-primary);
}

.contacts-list {
  margin-bottom: 20px;
}

.contact-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

.contact-item:last-child {
  border-bottom: none;
}

.sos-status {
  grid-column: 1 / -1;
  margin-top: 30px;
  text-align: center;
}

/* Form Styles */
.report-form {
  background: var(--background-primary);
  padding: 30px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 16px;
  transition: var(--transition);
  background: var(--background-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(197, 57, 42, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group input[type="checkbox"] {
  width: auto;
  margin-right: 8px;
}

/* Location Section */
.location-container {
  max-width: 800px;
  margin: 0 auto;
}

.location-status {
  background: var(--background-primary);
  padding: 30px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: 30px;
  text-align: center;
}

.status-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 20px 0;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.status-dot.active {
  background: var(--success-color);
  animation: pulse 2s infinite;
}

.status-dot.inactive {
  background: var(--text-muted);
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.location-controls {
  text-align: center;
  margin-bottom: 30px;
}

.location-info {
  background: var(--background-primary);
  padding: 20px;
  border-radius: var(--border-radius);
  margin-bottom: 30px;
}

.watch-groups {
  background: var(--background-primary);
  padding: 30px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.groups-list {
  display: grid;
  gap: 16px;
}

.group-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.group-item:hover {
  background: var(--background-secondary);
}

/* Feed Section */
.feed-filters {
  display: flex;
  gap: 12px;
  margin-bottom: 30px;
  justify-content: center;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 16px;
  border: 2px solid var(--border-color);
  background: var(--background-primary);
  color: var(--text-secondary);
  border-radius: 20px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.feed-container {
  display: grid;
  gap: 20px;
}

.feed-item {
  background: var(--background-primary);
  padding: 24px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--border-color);
  transition: var(--transition);
}

.feed-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(2px);
}

.feed-item.sos {
  border-left-color: var(--primary-color);
}

.feed-item.report {
  border-left-color: var(--warning-color);
}

.feed-item.location {
  border-left-color: var(--success-color);
}

.feed-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 12px;
}

.feed-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.feed-time {
  font-size: 14px;
  color: var(--text-muted);
}

.feed-content {
  color: var(--text-secondary);
  line-height: 1.5;
}

.feed-meta {
  display: flex;
  gap: 20px;
  margin-top: 12px;
  font-size: 14px;
  color: var(--text-muted);
}

/* Recent Activity */
.recent-activity {
  background: var(--background-primary);
  padding: 30px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.recent-activity h3 {
  margin-bottom: 20px;
  color: var(--text-primary);
}

.activity-list {
  display: grid;
  gap: 12px;
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.activity-item:hover {
  background: var(--background-secondary);
}

.activity-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.activity-icon.sos {
  background: var(--primary-light);
  color: white;
}

.activity-icon.report {
  background: var(--warning-color);
  color: white;
}

.activity-icon.location {
  background: var(--success-color);
  color: white;
}

.activity-content {
  flex: 1;
}

.activity-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.activity-time {
  font-size: 14px;
  color: var(--text-muted);
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: white;
  text-align: center;
  padding: 20px 0;
  margin-top: auto;
}

/* Notification */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--success-color);
  color: white;
  padding: 16px 20px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  transform: translateX(400px);
  transition: var(--transition);
  z-index: 10000;
  max-width: 350px;
}

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

.notification.error {
  background: var(--error-color);
}

.notification.warning {
  background: var(--warning-color);
}

.notification-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.notification-close {
  background: none;
  border: none;
  color: white;
  font-size: 20px;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .sos-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .sos-button-container {
    min-height: 300px;
  }
  
  .dashboard-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }
  
  .header .container {
    padding: 12px 15px;
  }
  
  .logo h1 {
    font-size: 20px;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--background-primary);
    box-shadow: var(--shadow-md);
  }
  
  .nav.active {
    display: block;
  }
  
  .nav-list {
    flex-direction: column;
  }
  
  .nav-link {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    border-left: none;
  }
  
  .nav-link:hover,
  .nav-link.active {
    border-left: 4px solid var(--primary-color);
    border-bottom: 1px solid var(--border-color);
  }
  
  .main {
    padding: 20px 0;
  }
  
  .section-header h2 {
    font-size: 28px;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .dashboard-card {
    padding: 24px;
  }
  
  .sos-button {
    width: 160px;
    height: 160px;
    font-size: 30px;
  }
  
  .sos-info {
    padding: 20px;
  }
  
  .report-form {
    padding: 20px;
  }
  
  .location-status {
    padding: 20px;
  }
  
  .watch-groups {
    padding: 20px;
  }
  
  .recent-activity {
    padding: 20px;
  }
  
  .feed-filters {
    gap: 8px;
  }
  
  .filter-btn {
    padding: 6px 12px;
    font-size: 14px;
  }
  
  .feed-item {
    padding: 20px;
  }
  
  .feed-header {
    flex-direction: column;
    align-items: start;
    gap: 8px;
  }
  
  .notification {
    right: 10px;
    left: 10px;
    max-width: none;
    transform: translateY(-100px);
  }
  
  .notification.show {
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .btn {
    padding: 10px 20px;
    font-size: 14px;
  }
  
  .btn-emergency {
    padding: 14px 28px;
    font-size: 16px;
  }
  
  .card-icon {
    font-size: 36px;
  }
  
  .dashboard-card h3 {
    font-size: 20px;
  }
  
  .sos-button {
    width: 140px;
    height: 140px;
    font-size: 24px;
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 10px;
  }
}

/* Print Styles */
@media print {
  .header,
  .nav,
  .footer,
  .notification {
    display: none;
  }
  
  .main {
    padding: 0;
  }
  
  .section {
    display: block !important;
  }
  
  .btn {
    display: none;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --text-secondary: #000000;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .sos-ripple {
    display: none;
  }
}