* {
  box-sizing: border-box;
}

[dir="rtl"] {
  text-align: right;
  direction: rtl;
}

[dir="ltr"] {
  text-align: left;
  direction: ltr;
}

.app,
.App {
  min-height: 100vh;
  padding: 20px;
  background: var(--color-background);
  color: var(--color-text);
  transition: background-color 0.3s ease, color 0.3s ease;
}

header {
  text-align: center;
  color: white;
  margin-bottom: 30px;
}

.header-content {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  position: relative;
}

.btn-logout {
  position: absolute;
  left: 0;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 2px solid white;
  font-size: 14px;
}

.btn-logout:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

[dir="rtl"] .btn-logout {
  left: auto;
  right: 0;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 600;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  background: var(--color-background);
  color: var(--color-text);
  border-radius: 20px;
  padding: 30px;
  box-shadow: var(--shadow-heavy);
  border: 1px solid var(--color-border);
}

.actions-bar {
  display: flex;
  gap: 15px;
  margin-bottom: 25px;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-heavy);
}

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

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

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

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

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

.btn-success:hover {
  background: var(--color-success-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-heavy);
}

.loading {
  text-align: center;
  padding: 40px;
  color: #6b7280;
  font-size: 18px;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 20px;
  }

  header h1 {
    font-size: 2rem;
  }

  .actions-bar {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}
