/* Favorite Button Styles */
.favorite-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: all 0.2s ease;
    color: var(--color-text-secondary);
}

.favorite-btn:hover {
    background: var(--color-bg);
    color: var(--color-primary);
    transform: scale(1.1);
}

.favorite-btn.favorited {
    color: #e74c3c;
}

.favorite-btn.favorited:hover {
    color: #c0392b;
}

.favorite-btn.animate {
    animation: heartbeat 0.3s ease-in-out;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

.heart-icon {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

/* Favorite Toast Notification */
.favorite-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--color-card);
    color: var(--color-text);
    padding: 12px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: 0.875rem;
    font-weight: 500;
    z-index: 10000;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.favorite-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Favorite Meta Display */
.favorite-meta {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.favorite-meta.user-favorited {
    color: #e74c3c;
    font-weight: 600;
}

/* Favorite Filter Tab */
.favorites-filter {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    color: var(--color-text);
}

.favorites-filter:hover {
    background: var(--color-card);
    border-color: var(--color-primary);
}

.favorites-filter.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.favorites-count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

/* Prompt Card Favorite Button Position */
.prompt-card {
    position: relative;
}

.prompt-favorite-container {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 10;
}

.prompt-favorite-container .favorite-btn {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-md);
}

.prompt-favorite-container .favorite-btn:hover {
    background: white;
}

/* Single Prompt Page Favorite Button */
.single-favorite-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

.single-favorite-btn:hover {
    background: var(--color-card);
    border-color: var(--color-primary);
}

.single-favorite-btn.favorited {
    background: #fee;
    border-color: #e74c3c;
    color: #e74c3c;
}

.single-favorite-btn.favorited:hover {
    background: #fdd;
}

/* Responsive */
@media (max-width: 768px) {
    .favorite-toast {
        bottom: 16px;
        padding: 10px 20px;
        font-size: 0.8125rem;
    }
    
    .prompt-favorite-container {
        top: 6px;
        right: 6px;
    }
}