/* Dashboard Styles */
:root {
  --primary: #0078d4;
  --primary-hover: #106ebe;
  --bg: #f5f5f5;
  --card-bg: #ffffff;
  --text: #333333;
  --text-secondary: #666666;
  --border: #e0e0e0;
  --disabled: #cccccc;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-info span {
  color: var(--text-secondary);
}

/* Container */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
}

/* Loading */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  gap: 1rem;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s;
}

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

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

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Card */
.card {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.card.center {
  text-align: center;
  max-width: 400px;
  margin: 4rem auto;
}

.card h2 {
  margin-bottom: 1rem;
}

.card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* Dashboard Grid */
.dashboard-header {
  margin-bottom: 2rem;
}

.dashboard-header h2 {
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
}

/* Tool Card */
.tool-card {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  border: 2px solid transparent;
}

.tool-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border-color: var(--primary);
}

.tool-card.disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.tool-card.disabled:hover {
  transform: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border-color: transparent;
}

.tool-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.tool-icon {
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.tool-card.disabled .tool-icon {
  background: var(--disabled);
}

.tool-name {
  font-size: 1.25rem;
  font-weight: 600;
}

.tool-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.tool-status {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-style: italic;
}

/* Responsive */
@media (max-width: 600px) {
  .header {
    padding: 1rem;
  }

  .container {
    padding: 1rem;
  }

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