@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&display=swap');

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

:root {
  --bg-primary: #1a1a1a;
  --bg-secondary: #252525;
  --bg-tertiary: #2a2a2a;
  --text-primary: #e0e0e0;
  --text-secondary: #888888;
  --accent: #ff6b6b;
  --accent-dim: #cc5555;
  --border: #404040;
  --success: #4ade80;
  --error: #ef4444;
}

body {
  font-family: 'JetBrains Mono', monospace;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.header h1 {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.btn {
  font-family: 'JetBrains Mono', monospace;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: all 0.2s;
}

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

.btn-sm {
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
}

.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 2rem;
}

.login-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 2rem;
  width: 100%;
  max-width: 400px;
}

.login-box h1 {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-align: center;
  margin-bottom: 1rem;
}

.ascii-border {
  border-bottom: 1px dashed var(--border);
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.form-group input {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
}

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

.error-message {
  color: var(--error);
  font-size: 0.875rem;
  margin-bottom: 1rem;
  min-height: 1.25rem;
}

.login-box .btn {
  width: 100%;
  padding: 0.75rem;
  margin-top: 0.5rem;
}

.dashboard {
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.chart-section {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.chart-section h2 {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.chart-container {
  height: 300px;
  position: relative;
}

.tables-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.table-section {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 1.5rem;
}

.table-section.full-width {
  grid-column: 1 / -1;
}

.table-section h2 {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 0.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

th {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

td {
  color: var(--text-primary);
}

tr:last-child td {
  border-bottom: none;
}

tbody tr:hover {
  background-color: var(--bg-tertiary);
}

.loading {
  color: var(--text-secondary);
  font-style: italic;
}

.empty-state {
  color: var(--text-secondary);
  text-align: center;
  padding: 1rem;
}

@media (max-width: 768px) {
  .header {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .dashboard {
    padding: 1rem;
  }

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

  .stat-value {
    font-size: 1.5rem;
  }
}