/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --bg: #0f172a;
  --bg-card: #1e293b;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: #334155;
  --hot: #ef4444;
  --cold: #3b82f6;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: linear-gradient(135deg, var(--bg) 0%, #1e1b4b 100%);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 3rem;
}

h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.disclaimer {
  display: inline-block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--danger);
  border-radius: 0.5rem;
  padding: 0.75rem 1.5rem;
  margin-top: 1rem;
  font-size: 0.9rem;
}

/* Card */
.card {
  background: var(--bg-card);
  border-radius: 1rem;
  padding: 2rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.card h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
}

/* Form */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
  font-weight: 500;
}

.form-group select,
.form-group input {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  color: var(--text);
  font-size: 1rem;
}

.form-group select:focus,
.form-group input:focus {
  outline: none;
  border-color: var(--primary);
}

/* Buttons */
button {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  width: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  width: 100%;
}

.btn-secondary:hover {
  background: var(--border);
}

/* Loading */
.loading {
  text-align: center;
  padding: 3rem;
}

.spinner {
  border: 4px solid var(--border);
  border-top: 4px solid var(--primary);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Prediction Meta */
.prediction-meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  font-size: 0.9rem;
}

.prediction-meta span {
  background: var(--bg);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
}

/* Combinations */
.combinations-list {
  display: grid;
  gap: 1rem;
}

.combination {
  background: var(--bg);
  padding: 1.5rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
}

.combination-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.confidence {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 0.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
}

.confidence.high {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
}

.confidence.medium {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}

.confidence.low {
  background: rgba(100, 116, 139, 0.2);
  color: var(--text-muted);
}

.numbers {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.number {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: bold;
  font-size: 1.1rem;
}

.number.white {
  background: white;
  color: var(--bg);
}

.number.powerball {
  background: var(--danger);
  color: white;
}

/* Number Grid */
.number-grid {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.number-analysis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

/* Patterns */
.patterns-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.pattern-item {
  background: var(--bg);
  padding: 1rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
}

.pattern-item strong {
  color: var(--primary);
}

/* Stats */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.stat-item {
  background: var(--bg);
  padding: 1.5rem;
  border-radius: 0.5rem;
  text-align: center;
  border: 1px solid var(--border);
}

.stat-value {
  font-size: 2rem;
  font-weight: bold;
  color: var(--primary);
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

/* History */
.draw-item {
  background: var(--bg);
  padding: 1rem;
  border-radius: 0.5rem;
  margin-bottom: 0.75rem;
  border: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.draw-date {
  color: var(--text-muted);
  font-weight: 600;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

footer p {
  margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }

  h1 {
    font-size: 2rem;
  }

  .card {
    padding: 1.5rem;
  }

  .number-analysis {
    grid-template-columns: 1fr;
  }
}