/* ==========================================================================
   Reactions (emojis) Component
   5 boutons: fire, thumbsup, heart, learned, useful
   Supporte light/dark mode via CSS variables existantes
   ========================================================================== */

.reactions-section {
    margin: var(--sp-10) 0;
    padding: var(--sp-7) 0;
    border-top: 1px solid var(--border);
}

.reactions-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin: 0 0 var(--sp-4);
    font-weight: var(--weight-medium);
    text-align: center;
    letter-spacing: 0.01em;
}

/* Container flex avec wrap mobile */
.reactions-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--sp-2);
}

/* Bouton reaction individuel */
.reaction-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-1);
    padding: var(--sp-2) var(--sp-4);
    background: transparent;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-family: inherit;
    cursor: pointer;
    transition: all var(--ease-fast);
    user-select: none;
    -webkit-user-select: none;
    position: relative;
    overflow: visible;
}

.reaction-btn:hover {
    border-color: var(--primary);
    background: var(--primary-bg-subtle);
    color: var(--text);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.reaction-btn:active {
    transform: scale(0.96) translateY(0);
}

.reaction-btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.reaction-btn:disabled {
    opacity: 0.7;
    cursor: wait;
}

/* Etat actif (vote en cours) */
.reaction-btn.is-active {
    border-color: var(--primary);
    background: var(--primary-bg-subtle);
    color: var(--text);
    box-shadow: 0 0 0 2px var(--primary-bg-subtle);
}

.reaction-btn.is-active:hover {
    background: var(--primary-bg-light);
}

/* Emoji */
.reaction-emoji {
    font-size: var(--text-xl);
    line-height: 1;
    display: inline-block;
    transition: transform var(--ease-fast);
}

.reaction-btn:hover .reaction-emoji {
    transform: scale(1.15);
}

/* Label texte */
.reaction-label {
    font-weight: var(--weight-medium);
    font-size: var(--text-xs);
}

/* Compteur */
.reaction-count {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--text-muted);
    min-width: 1.25em;
    text-align: center;
    transition: color var(--ease-fast), transform var(--ease-base);
}

.reaction-btn.is-active .reaction-count {
    color: var(--primary);
}

/* Animation compteur mis a jour */
.reaction-count.is-updating {
    animation: count-pop 0.3s ease;
}

@keyframes count-pop {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.35); }
    100% { transform: scale(1); }
}

/* Animation bounce au click */
@keyframes reaction-bounce {
    0%   { transform: scale(1); }
    20%  { transform: scale(1.3); }
    40%  { transform: scale(0.85); }
    60%  { transform: scale(1.15); }
    80%  { transform: scale(0.95); }
    100% { transform: scale(1); }
}

.reaction-btn.is-bouncing {
    animation: reaction-bounce 0.5s ease;
}

.reaction-btn.is-bouncing .reaction-emoji {
    animation: reaction-bounce 0.5s ease;
}

/* Confetti particles */
.reaction-confetti {
    position: fixed;
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    pointer-events: none;
    z-index: 9999;
    animation: confetti-fly 0.55s ease-out forwards;
}

@keyframes confetti-fly {
    0% {
        opacity: 1;
        transform: translate(0, 0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(var(--tx, 20px), var(--ty, -20px)) scale(0.3);
    }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 768px) {
    .reactions-section {
        margin: var(--sp-8) 0;
        padding: var(--sp-5) 0;
    }

    .reactions-container {
        gap: var(--sp-2);
    }

    .reaction-btn {
        padding: var(--sp-1) var(--sp-3);
        font-size: var(--text-xs);
        gap: var(--sp-1);
    }

    .reaction-emoji {
        font-size: var(--text-lg);
    }
}

@media (max-width: 480px) {
    .reactions-container {
        gap: var(--sp-1);
        overflow-x: auto;
        flex-wrap: nowrap;
        justify-content: flex-start;
        padding-bottom: var(--sp-1);
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .reactions-container::-webkit-scrollbar {
        display: none;
    }

    .reaction-label {
        display: none;
    }

    .reaction-btn {
        padding: var(--sp-1) var(--sp-3);
        gap: var(--sp-1);
        flex-shrink: 0;
    }

    .reaction-emoji {
        font-size: var(--text-base);
    }
}

/* ==========================================================================
   Print
   ========================================================================== */

@media print {
    .reactions-section {
        display: none;
    }
}