/* --- Color Variables for Star Patterns (Light & Dark) --- */
:root {
  /* Light Mode Colors */
  --card-bg: #ffffff;              /* Card background: crisp white */
  --card-text: #2f2f2f;            /* Card text: dark gray */
  --card-hover-bg: #f0f4f8;        /* Card hover: light gray-blue */
  --border-color: #e0e0e0;         /* Border: very light gray */
  --panel-text-color: #2f2f2f;     /* Panel text: dark gray */
  
  /* Accent colors for gradient output text */
  --output-accent-1: #ff4757;      /* Vibrant red */
  --output-accent-2: #1e90ff;      /* Bright blue */
  --output-accent-3: #2ed573;      /* Fresh green */
  --output-accent-4: #ffa502;      /* Warm orange */
}

body.dark-mode {
  /* Dark Mode Colors */
  --card-bg: #2c2f33;             /* Deep charcoal */
  --card-text: #f1f1f1;            /* Nearly white text */
  --card-hover-bg: #36393f;        /* Slightly lighter dark background */
  --border-color: #484b51;         /* Medium dark gray */
  --panel-text-color: #f1f1f1;     /* Nearly white text */
  
  /* Dark Mode Accent Colors */
  --output-accent-1: #ff6b81;
  --output-accent-2: #74b9ff;
  --output-accent-3: #55efc4;
  --output-accent-4: #ffca76;
}

/* --- Star Pattern Card Styles --- */
.star-card {
  border-radius: 1rem;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--card-text);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  min-height: 333px;
  width: 100%;
}

.star-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  background: var(--card-hover-bg);
}

/* --- Card Body --- */
.star-card-body {
  padding: 1rem 1.25rem;
  position: relative;
  overflow: hidden;
  margin-bottom: 1rem;
}

/* --- Title & Text --- */
.star-card-title {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
  text-align: center;
}

.star-card-text {
  font-size: 1rem;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  text-align: center;
  margin-bottom: 1rem;
}

/* --- Output Preview --- */
.star-output-preview {
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  overflow: auto;
  padding: 1rem;
  font-family: 'Courier New', Courier, monospace;
  color: var(--panel-text-color);
  margin-bottom: 1rem;
}

/* --- Preformatted Output Text (Gradient Accent) --- */
.star-fixed-pre {
  margin: 0;
  font-family: monospace;
  font-size: 0.9rem;
  background: linear-gradient(90deg, var(--output-accent-1), var(--output-accent-2), var(--output-accent-3), var(--output-accent-4));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --- Card Footer --- */
.star-card-footer {
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: 0 0 1rem 1rem;
  text-align: center; /* Center content within footer */
}

/* --- Empty State Styling --- */
.empty-state {
  width: 100%;
  text-align: center!important;
  margin-top: 2rem;
  font-size: 1.2rem;
  color: var(--text-color);
}

/* --- Responsive Adjustments --- */
@media (max-width: 576px) {
  .star-card-body {
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
  }
  .star-output-preview {
    padding: 0.75rem;
    margin-bottom: 1.5rem;
    height: 130px;
  }
  .star-card-footer {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
  }
  .star-card-title {
    font-size: 1.25rem;
  }
  .star-card-text {
    font-size: 0.9rem;
  }
}

@media (max-width: 768px) {
  .star-card-body {
    padding: 0.85rem 1.1rem;
    margin-bottom: 1.25rem;
  }
  .star-output-preview {
    padding: 0.85rem;
    margin-bottom: 1.25rem;
    height: 140px;
  }
  .star-card-footer {
    padding: 0.65rem 1.1rem;
    font-size: 0.85rem;
  }
  .star-card-title {
    font-size: 1.35rem;
  }
  .star-card-text {
    font-size: 0.95rem;
  }
}