.creos-chat-wrapper {
    max-width: 850px;
    margin: 30px auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.creos-chat-header {
    background: #1e40af;
    color: white;
    padding: 30px 25px; /* Padding augmenté */
    font-weight: 800;    /* Plus gras */
    font-size: 32px;    /* Titre beaucoup plus grand */
    text-align: center;
    letter-spacing: -0.5px;
}

.creos-chat-body {
    height: 500px;
    padding: 30px;
    overflow-y: auto;
    background: #f1f5f9;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.creos-bubble {
    padding: 15px 20px;
    border-radius: 15px;
    font-size: 16px;
    line-height: 1.6;
    max-width: 85%;
}

.bubble-bot {
    background: white;
    color: #334155;
    align-self: flex-start;
    border-bottom-left-radius: 2px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.bubble-user {
    background: #1e40af;
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

.creos-link {
    color: #1e40af;
    font-weight: bold;
    text-decoration: none;
    border-bottom: 1px solid #1e40af;
}

.creos-chat-footer {
    display: flex;
    padding: 20px;
    background: white;
    border-top: 1px solid #e2e8f0;
}

.creos-chat-footer input {
    flex: 1;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 12px 15px;
    outline: none;
    font-size: 16px;
    margin-right: 10px;
}

.creos-chat-footer button {
    background: #1e40af;
    color: white;
    border: none;
    padding: 10px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
}

.creos-loader { display: flex; gap: 5px; padding: 10px 30px; }
.creos-loader span { width: 10px; height: 10px; background: #cbd5e1; border-radius: 50%; animation: bounce 1.4s infinite ease-in-out both; }
.creos-loader span:nth-child(1) { animation-delay: -0.32s; }
.creos-loader span:nth-child(2) { animation-delay: -0.16s; }
@keyframes bounce { 0%, 80%, 100% { transform: scale(0); } 40% { transform: scale(1); } }