body {
    background: linear-gradient(135deg, #ffeef8 0%, #f6d5f7 100%);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

.title-brand {
    color: #b5446e;
    font-weight: 700;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.1);
}

.card-custom {
    border: none;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
}

.btn-custom {
    border-radius: 25px;
    padding: 10px 20px;
    font-weight: 600;
}

.emoji-item input[type="radio"] {
    display: none;
}
.emoji-item {
    cursor: pointer;
    border-radius: 50% !important;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
}
.emoji-item:hover {
    transform: scale(1.15);
}

/* Quadrado Perfeito para Thumbnail */
.thumbnail-wrapper {
    position: relative;
    width: 100%;
    padding-top: 100%; /* 1:1 Aspect Ratio */
    overflow: hidden;
    background-color: #000;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
}
.thumbnail-wrapper img, .thumbnail-wrapper video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate(-50%, -50%);
}

.reaction-btn {
    padding: 2px 8px;
    font-size: 0.9rem;
    border-radius: 12px;
}

/* Flores Caindo */
.flower-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}
.flower {
    position: absolute;
    background: url('https://upload.wikimedia.org/wikipedia/commons/4/41/Cherry_Blossom_Flower_Icon.svg') no-repeat center center;
    background-size: contain;
    opacity: 0.6;
    animation: fall linear infinite;
}
@keyframes fall {
    0% { transform: translateY(-50px) rotate(0deg); opacity: 0; }
    10% { opacity: 0.7; }
    90% { opacity: 0.7; }
    100% { transform: translateY(105vh) rotate(360deg); opacity: 0; }
}