:root {
  --primary-color: #8b0000;
  --primary-light: #a52a2a;
  --primary-dark: #660000;
  --secondary-color: #2c3e50;
  --accent-color: #3498db;
  --background-dark: #1a1a2e;
  --background-light: #16213e;
  --surface-color: #0f3460;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #888888;
  --border-color: #333;
  --success-color: #27ae60;
  --warning-color: #f39c12;
  --error-color: #e74c3c;
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  --gradient-secondary: linear-gradient(135deg, var(--background-dark), var(--background-light));
  --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--gradient-secondary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* Landing Page Styles */
.landing-page {
  background: var(--gradient-secondary);
}

.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  padding: 1rem 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
}

.nav-brand i {
  font-size: 1.8rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle:hover {
  background: var(--surface-color);
  color: var(--text-primary);
}

.btn-primary,
.btn-secondary,
.btn-hero-primary,
.btn-hero-secondary {
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-heavy);
}

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

.btn-secondary:hover {
  background: var(--surface-color);
  color: var(--text-primary);
}

.hero-section {
  padding: 8rem 2rem 4rem;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-content {
  margin-bottom: 6rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-primary), var(--primary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-hero-primary {
  background: var(--gradient-primary);
  color: white;
  padding: 1rem 2rem;
  font-size: 1.1rem;
  box-shadow: var(--shadow-medium);
}

.btn-hero-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--primary-color);
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.how-it-works {
  margin-top: 6rem;
}

.how-it-works h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  text-align: center;
}

.process-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.process-card {
  background: rgba(15, 52, 96, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.process-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-heavy);
  border-color: var(--primary-color);
}

.card-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: white;
}

.process-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.process-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Auth Pages */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
}

.auth-container {
  width: 100%;
  max-width: 450px;
}

.auth-card {
  background: rgba(15, 52, 96, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-heavy);
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.auth-header h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.auth-header p {
  color: var(--text-secondary);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group select {
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(139, 0, 0, 0.1);
}

.password-input {
  position: relative;
}

.password-toggle {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
}

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  color: var(--text-secondary);
}

.forgot-link {
  color: var(--primary-color);
  text-decoration: none;
  font-size: 0.9rem;
}

.btn-full {
  width: 100%;
  padding: 1rem;
  font-size: 1.1rem;
}

.auth-footer {
  text-align: center;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.auth-footer a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}

.demo-credentials {
  margin-top: 2rem;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  font-size: 0.9rem;
}

.demo-credentials h4 {
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

/* Dashboard Styles */
.dashboard-page {
  background: var(--gradient-secondary);
}

.dashboard-nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.dashboard-container {
  display: flex;
  margin-top: 80px;
  min-height: calc(100vh - 80px);
}

.sidebar {
  width: 280px;
  background: rgba(15, 52, 96, 0.6);
  border-right: 1px solid var(--border-color);
  padding: 2rem 0;
  backdrop-filter: blur(10px);
}

.sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0 1rem;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 8px;
  transition: var(--transition);
}

.menu-item:hover,
.menu-item.active {
  background: var(--primary-color);
  color: white;
}

.menu-item i {
  width: 20px;
  text-align: center;
}

.main-content {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
}

.dashboard-header {
  margin-bottom: 3rem;
}

.dashboard-header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.dashboard-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.stat-card {
  background: rgba(15, 52, 96, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

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

.stat-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
}

.stat-content h3 {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 0.25rem;
}

.stat-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.dashboard-actions {
  margin-bottom: 3rem;
}

.dashboard-actions h2 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
}

.action-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.action-card {
  background: rgba(15, 52, 96, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.action-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-heavy);
  border-color: var(--primary-color);
}

.action-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  margin-bottom: 1.5rem;
}

.action-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.action-card p {
  color: var(--text-secondary);
  line-height: 1.5;
}

.recent-activity h2 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
}

.activity-list {
  background: rgba(15, 52, 96, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  backdrop-filter: blur(10px);
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

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

.activity-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.9rem;
}

.activity-content {
  flex: 1;
}

.activity-time {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .process-cards {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .dashboard-container {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    order: 2;
  }

  .main-content {
    order: 1;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .action-cards {
    grid-template-columns: 1fr;
  }
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.6s ease-out;
}

.slide-up {
  animation: slideUp 0.6s ease-out;
}

.scale-in {
  animation: scaleIn 0.4s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Notification Styles */
.notification {
  position: fixed;
  top: 100px;
  right: 2rem;
  background: var(--success-color);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  box-shadow: var(--shadow-medium);
  z-index: 1001;
  animation: slideIn 0.3s ease-out;
}

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

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

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}