/* === Кнопки === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--text-on-primary);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-secondary {
  background: var(--secondary);
  color: var(--text-white);
}
.btn-secondary:hover { background: var(--secondary-light); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { background: var(--bg); border-color: var(--text-muted); }

.btn-ghost {
  background: transparent;
  color: var(--text-light);
  padding: 0.5rem;
}
.btn-ghost:hover { background: var(--bg); color: var(--text); }

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* === Карточки === */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.card-hover:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--border);
}

.card-body { padding: 1.5rem; }
.card-header { padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border-light); }
.card-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border-light); }

/* === Формы === */
.form-group { margin-bottom: 1.25rem; }

.form-label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.9375rem;
  color: var(--text);
  background: var(--bg-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(227, 30, 36, 0.1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

/* === Бейджи === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-success { background: var(--success-light); color: #065F46; }
.badge-warning { background: var(--warning-light); color: #92400E; }
.badge-error { background: var(--error-light); color: #991B1B; }
.badge-info { background: var(--info-light); color: #1E40AF; }
.badge-neutral { background: var(--border-light); color: var(--text-light); }

/* === Прогресс-бар === */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--border-light);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width 0.5s ease;
}

.progress-bar-success .progress-bar-fill { background: var(--success); }

/* === Статистика === */
.stat-card {
  text-align: center;
  padding: 1.5rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--secondary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-light);
  margin-top: 0.25rem;
}

/* === Табы === */
.tabs {
  display: flex;
  gap: 0.25rem;
  border-bottom: 2px solid var(--border-light);
  margin-bottom: 1.5rem;
}

.tab {
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-light);
  background: none;
  border: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
}

.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* === Чипсы / фильтры === */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
  font-size: 0.8125rem;
  border: 1px solid var(--border);
  background: var(--bg-white);
  color: var(--text-light);
  cursor: pointer;
  transition: all var(--transition);
}

.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active { background: var(--primary); color: var(--text-on-primary); border-color: var(--primary); }

/* === Модальное окно === */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.modal-overlay.active { opacity: 1; visibility: visible; }

.modal {
  background: var(--bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.modal-body { padding: 1.5rem; }
.modal-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border-light); display: flex; justify-content: flex-end; gap: 0.75rem; }

/* === Тост / уведомление === */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: slideIn 0.3s ease;
  max-width: 400px;
}

.toast-success { background: var(--success); color: white; }
.toast-error { background: var(--error); color: white; }
.toast-info { background: var(--info); color: white; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* === Спиннер === */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.spinner-lg { width: 40px; height: 40px; border-width: 3px; }

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

.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  gap: 1rem;
  color: var(--text-light);
}

/* === Пустое состояние === */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-light);
}

.empty-state-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state-title { font-size: 1.125rem; font-weight: 600; color: var(--text); margin-bottom: 0.5rem; }

/* === Копирование === */
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text-light);
}
.copy-btn:hover { background: var(--border-light); color: var(--text); }
.copy-btn.copied { background: var(--success-light); color: #065F46; border-color: var(--success); }

/* === Markdown-содержимое === */
.markdown-content h1 { font-size: 1.5rem; margin: 1.5rem 0 0.75rem; }
.markdown-content h2 { font-size: 1.25rem; margin: 1.25rem 0 0.625rem; }
.markdown-content h3 { font-size: 1.1rem; margin: 1rem 0 0.5rem; }
.markdown-content p { margin-bottom: 0.75rem; }
.markdown-content ul, .markdown-content ol { padding-left: 1.5rem; margin-bottom: 0.75rem; }
.markdown-content li { margin-bottom: 0.25rem; }
.markdown-content code { background: var(--bg); padding: 0.125rem 0.375rem; border-radius: var(--radius-xs); font-size: 0.875rem; }
.markdown-content pre { background: var(--secondary); color: var(--text-white); padding: 1rem; border-radius: var(--radius-sm); overflow-x: auto; margin-bottom: 1rem; }
.markdown-content blockquote { border-left: 3px solid var(--primary); padding-left: 1rem; color: var(--text-light); margin-bottom: 0.75rem; }
.markdown-content table { width: 100%; border-collapse: collapse; margin-bottom: 1rem; }
.markdown-content th, .markdown-content td { padding: 0.5rem 0.75rem; border: 1px solid var(--border); text-align: left; }
.markdown-content th { background: var(--bg); font-weight: 600; }