/**
 * GIF Picker (Giphy) - Reddit-style
 */

.gif-picker-btn {
    cursor: pointer;
    transition: all 0.15s;
}
.gif-picker-btn:hover { background: #e2e8f0; }
.dark .gif-picker-btn:hover { background: #334155; }

/* Popup */
.gif-picker-popup {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.gif-picker-popup.hidden { display: none; }

.gif-picker-popup-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
}

.gif-picker-popup-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    height: 70vh;
    max-height: 520px;
    background: #fff;
    border-radius: 1rem;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: gifPopupIn 0.2s ease;
}
@keyframes gifPopupIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}
.dark .gif-picker-popup-content {
    background: #1e293b;
}

.gif-picker-popup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e2e8f0;
    flex-shrink: 0;
}
.dark .gif-picker-popup-header { border-color: #334155; }

.gif-picker-popup-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: #1e293b;
}
.dark .gif-picker-popup-title { color: #f1f5f9; }

.gif-picker-popup-close {
    width: 1.75rem;
    height: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    border-radius: 0.375rem;
    font-size: 1.25rem;
    color: #64748b;
    cursor: pointer;
}
.gif-picker-popup-close:hover { background: #f1f5f9; color: #1e293b; }
.dark .gif-picker-popup-close:hover { background: #334155; color: #f1f5f9; }

.gif-picker-search-wrap {
    padding: 0.5rem 0.75rem;
    flex-shrink: 0;
}
.gif-search {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    background: #f8fafc;
    color: #1e293b;
    outline: none;
}
.gif-search:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59,130,246,0.15);
}
.gif-search::placeholder { color: #94a3b8; }
.dark .gif-search { background: #0f172a; border-color: #334155; color: #e2e8f0; }
.dark .gif-search:focus { border-color: #3b82f6; }

.gif-picker-container {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem 0.75rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    align-content: start;
}
.gif-picker-container::-webkit-scrollbar { width: 6px; }
.gif-picker-container::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
.dark .gif-picker-container::-webkit-scrollbar-thumb { background: #475569; }

.gif-picker-item {
    aspect-ratio: 1;
    border: none;
    border-radius: 0.5rem;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #f1f5f9;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
}
.gif-picker-item:hover {
    transform: scale(1.03);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.dark .gif-picker-item { background-color: #334155; }

.gif-picker-loading,
.gif-picker-empty {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: #94a3b8;
    font-size: 0.875rem;
}

@media (max-width: 480px) {
    .gif-picker-popup-content {
        max-width: 100%;
        height: 65vh;
        border-radius: 1rem 1rem 0 0;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        animation: gifSlideUp 0.25s ease;
    }
    @keyframes gifSlideUp {
        from { transform: translateY(100%); }
        to { transform: translateY(0); }
    }
    .gif-picker-container { grid-template-columns: repeat(2, 1fr); gap: 0.375rem; }
}