// Global styles for the Interview Assistant application
.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: #f8f9fa;
}

// Header styles
.app-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;

  .header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;

    .app-title {
      margin: 0;
      font-size: 1.5rem;
      font-weight: 600;
      white-space: nowrap;
    }

    .app-nav {
      display: flex;
      gap: 1.5rem;

      .nav-link {
        color: rgba(255, 255, 255, 0.9);
        text-decoration: none;
        padding: 0.5rem 1rem;
        border-radius: 6px;
        transition: all 0.3s ease;
        font-weight: 500;
        white-space: nowrap;

        &:hover {
          background: rgba(255, 255, 255, 0.1);
          color: white;
        }

        &.active {
          background: rgba(255, 255, 255, 0.2);
          color: white;
          font-weight: 600;
        }
      }
    }

    .header-actions {
      .btn {
        padding: 0.5rem 1rem;
        border: 1px solid rgba(255, 255, 255, 0.3);
        background: transparent;
        color: white;
        border-radius: 6px;
        cursor: pointer;
        font-weight: 500;
        transition: all 0.3s ease;
        white-space: nowrap;

        &.btn-outline {
          &:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.5);
          }
        }
      }
    }
  }
}

// Main content area
.app-main {
  flex: 1;
  padding: 2rem 0;
  background-color: #f8f9fa;
  min-height: calc(100vh - 120px); // Account for header and footer
}

// Footer styles
.app-footer {
  background: #343a40;
  color: #dee2e6;
  padding: 2rem 0;
  margin-top: auto;

  .footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;

    p {
      margin: 0;
      font-size: 0.9rem;
    }

    .footer-links {
      display: flex;
      gap: 1.5rem;

      .footer-link {
        color: #adb5bd;
        text-decoration: none;
        font-size: 0.9rem;
        transition: color 0.3s ease;

        &:hover {
          color: #dee2e6;
        }
      }
    }
  }
}

// Responsive design
@media (max-width: 768px) {
  .app-header .header-content {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;

    .app-nav {
      order: 2;
      width: 100%;
      justify-content: center;
    }

    .header-actions {
      order: 3;
      width: 100%;
      text-align: center;
    }
  }

  .app-main {
    padding: 1rem 0;
  }

  .app-footer .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
    padding: 0 1rem;
  }
}

@media (max-width: 480px) {
  .app-header .header-content {
    .app-title {
      font-size: 1.25rem;
    }

    .app-nav {
      flex-direction: column;
      gap: 0.5rem;

      .nav-link {
        text-align: center;
        padding: 0.75rem;
      }
    }
  }

  .app-footer .footer-content .footer-links {
    flex-direction: column;
    gap: 0.75rem;
  }
}

// Global utility classes
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s ease;
  line-height: 1.5;

  &.btn-primary {
    background-color: #007bff;
    color: white;

    &:hover {
      background-color: #0056b3;
      transform: translateY(-1px);
    }
  }

  &.btn-success {
    background-color: #28a745;
    color: white;

    &:hover {
      background-color: #1e7e34;
      transform: translateY(-1px);
    }
  }

  &.btn-danger {
    background-color: #dc3545;
    color: white;

    &:hover {
      background-color: #c82333;
      transform: translateY(-1px);
    }
  }

  &.btn-secondary {
    background-color: #6c757d;
    color: white;

    &:hover {
      background-color: #545b62;
      transform: translateY(-1px);
    }
  }

  &.btn-outline {
    background-color: transparent;
    border: 1px solid #6c757d;
    color: #6c757d;

    &:hover {
      background-color: #6c757d;
      color: white;
    }
  }

  &:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
  }
}

// Container utility
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

// Text utilities
.text-center {
  text-align: center;
}

.text-muted {
  color: #6c757d;
}

// Spacing utilities
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 3rem; }

// Animation utilities
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.3s ease-in;
}

.slide-up {
  animation: slideUp 0.3s ease-out;
}