:root {
  --primary-color: #6366f1;
  --primary-light: #818cf8;
  --dark-bg: #0f172a;
  --dark-bg-light: #1e293b;
  --text-primary: #fff;
  --text-secondary: #94a3b8;
  --border-color: #334155;
  --success-color: #10b981;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 2rem;
}

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

body {
    background: linear-gradient(135deg, var(--dark-bg), var(--dark-bg-light));
  font-family: "Montserrat", sans-serif;
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  padding: 3rem;
  color: var(--text-primary);
  line-height: 1.5;
}

.container {
  background: rgba(30, 41, 59, 0.7);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  width: 100%;
  max-width: 48rem;
  text-align: center;
  border: 1px solid var(--border-color);
}

.title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-weight: 300;
}

textarea {
  font-family: "Montserrat", sans-serif;
  width: 100%;
  height: 14rem;
  padding: 1.25rem;
  font-size: 1rem;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  resize: vertical;
  outline: none;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

textarea:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 50px 1px rgba(99, 102, 241, 0.3);
}

textarea::placeholder {
  font-family: "Montserrat", sans-serif;
  color: var(--text-secondary);
  opacity: 0.7;
}

.stats-container {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: rgba(15, 23, 42, 0.5);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  padding: 1rem;
  min-width: 120px;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--primary-light);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.button-row {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1.5rem;
}

button {
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: white;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
  box-shadow: 0 0 0.75rem rgba(99, 102, 241, 0.5);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 1.25rem rgba(99, 102, 241, 0.7);
}

button:active {
  transform: translateY(0);
}

button:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.5);
}
button:disabled {
  cursor: not-allowed;
  opacity: 0.5 !important;
}

button.secondary {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  box-shadow: none;
}

button.secondary:hover {
    background: rgb(255, 0, 0);
  box-shadow: 0 0 20px 1px rgb(255, 0, 0);
  border: 1px solid rgb(196, 1, 1);
}

.icon {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
}

#toast {
  position: fixed;
  top: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#toast.show {
  opacity: 1;
  pointer-events: all;
}

.progress-container {
  width: 100%;
  height: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
  border-radius: 9999px;
  transition: width 0.3s ease;
}
.footer {
margin-top: 2rem;
text-align: center;
font-size: 0.75rem;
color: var(--text-secondary);
}

.footer a {
color: var(--primary-light);
text-decoration: none;
transition: color 0.3s ease;
}

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


@media (max-width: 768px) {
  .container {
    padding: 1.5rem;
  }

  .title {
    font-size: 1.5rem;
  }

  textarea {
    height: 10rem;
  }

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

  .button-row {
    flex-direction: column;
  }

  button {
    width: 100%;
  }
}

/* Accessibility focus styles */
:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

/* Dark mode preference */
@media (prefers-color-scheme: light) {
  :root {
    --dark-bg: #f1f5f9;
    --dark-bg-light: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --border-color: #cbd5e1;
  }

  textarea {
    background: rgba(241, 245, 249, 0.8);
    color: var(--text-primary);
  }

  .stat-card {
    background: rgba(241, 245, 249, 0.8);
  }
}