/* Спиннер на кнопках */
.btn.loading::after {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Анимация при перетаскивании */
.drag-over {
    background: rgba(59, 130, 246, 0.1);
    border: 2px dashed var(--primary);
}

/* Сохраненное сообщение */
.saved-indicator {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: var(--success);
    color: white;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
    animation: slideInLeft 0.3s ease;
}

@keyframes slideInLeft {
    from { transform: translateX(-400px); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}

@keyframes slideOutRight {
    from { transform: translateX(0); opacity: 1; }
    to   { transform: translateX(400px); opacity: 0; }
}

/* Пустое состояние */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    text-align: center;
}

.empty-state-icon        { font-size: 48px; margin-bottom: 16px; opacity: 0.5; }
.empty-state-title       { font-size: 16px; font-weight: 600; margin-bottom: 8px; color: var(--text-primary); }
.empty-state-description { font-size: 14px; margin-bottom: 20px; }

/* Скелетон лоадер */
.skeleton {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes loading {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text   { height: 16px; margin-bottom: 8px; }
.skeleton-avatar { width: 40px; height: 40px; border-radius: 50%; }