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

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-card: #1a1a1a;
  --border: #2a2a2a;
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --accent: #5865F2;
  --accent-hover: #4752c4;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 14px;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

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

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

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

.btn-secondary:hover {
  background: var(--bg-card);
  border-color: #3a3a3a;
}

.btn-large {
  padding: 16px 32px;
  font-size: 16px;
}

/* Dashboard Button in Nav */
.btn-dashboard {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 14px;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border);
  transition: all 0.2s;
  cursor: pointer;
}

.btn-dashboard:hover {
  background: var(--bg-card);
  border-color: #3a3a3a;
}

/* User Info Component */
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-info {
  display: none; /* Hidden by default */
  align-items: center;
  gap: 10px;
}

.user-info.active {
  display: flex;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--border);
}

#user-name {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
}

.btn-small {
  padding: 8px 16px;
  font-size: 12px;
}

/* Navigation */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo img {
  height: 64px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: color 0.2s;
}

.nav-links a:hover:not(.btn-dashboard) {
  color: var(--text-primary);
}

/* Hero */
.hero {
  text-align: center;
  padding: 120px 40px;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero .highlight {
  color: var(--accent);
}

.hero p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* Metrics */
.metrics {
  margin: 24px auto 0;
  width: min(1100px, 92%);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  text-align: left;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.25);
}

.metric-icon {
  width: 24px;
  height: 24px;
  margin-bottom: 10px;
  opacity: 0.9;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.metric-icon svg {
  width: 100%;
  height: 100%;
}

.metric-value {
  font-size: clamp(22px, 4vw, 34px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.metric-label {
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.metric-desc {
  margin-top: 6px;
  font-size: 13px;
  color: #a0a0a0;
}

@media (max-width: 900px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }
}

/* Features */
.features {
  padding: 80px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.features h2 {
  font-size: 32px;
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Toasts + Confirm */
.toast-root {
  position: fixed;
  top: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2000;
  max-width: 320px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
  animation: toast-in 0.2s ease-out;
  cursor: pointer;
}

.toast-success { border-color: #2ecc71; }
.toast-error { border-color: #e74c3c; }
.toast-warning { border-color: #f39c12; }
.toast-info { border-color: #3498db; }

.toast-hide {
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.15s ease, transform 0.15s ease;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.confirm-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2001;
}

.confirm-modal.hidden { display: none; }

.confirm-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: min(420px, 92vw);
  padding: 16px;
}

.confirm-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.confirm-title {
  font-weight: 600;
  font-size: 16px;
}

.confirm-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  padding: 2px 6px;
}

.confirm-message {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 14px;
}

.confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

@media (max-width: 768px) {
  .toast-root {
    top: auto;
    bottom: 20px;
    left: 20px;
    right: 20px;
    max-width: none;
  }

  .toast {
    width: 100%;
  }
}

.feature-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: #3a3a3a;
}

.feature-icon {
  font-size: 14px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* CTA */
.cta {
  text-align: center;
  padding: 120px 40px;
}

.cta h2 {
  font-size: 48px;
  margin-bottom: 32px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 40px;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  height: 40px;
  opacity: 0.5;
}

footer p {
  color: var(--text-secondary);
  font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
  .nav {
    padding: 16px 20px;
  }
  
  .nav-links {
    display: none;
  }
  
  .nav-right {
    gap: 12px;
  }
  
  #user-name {
    display: none;
  }
  
  .hero {
    padding: 80px 20px;
  }
  
  .hero h1 {
    font-size: 36px;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .features {
    padding: 60px 20px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .cta {
    padding: 80px 20px;
  }
  
  .cta h2 {
    font-size: 32px;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}