:root {
    --dcasa-primary: #c64348;
    --dcasa-dark: #382d5d;
    --dcasa-white: #ffffff;
}

#dcasa-chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999999;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.dcasa-bubble {
    width: 60px;
    height: 60px;
    background: var(--dcasa-dark);
    border: 2px solid var(--dcasa-primary);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dcasa-white);
    font-size: 26px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    transition: transform 0.2s ease;
}

.dcasa-bubble:hover {
    transform: scale(1.05);
}

.dcasa-chat-window {
    display: none;
    width: 360px;
    height: 500px;
    background: var(--dcasa-white);
    border: 1px solid #e0e0e0;
    border-radius: 14px;
    position: absolute;
    bottom: 75px;
    right: 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
    flex-direction: column;
    overflow: hidden;
}

.dcasa-header {
    background: var(--dcasa-dark);
    color: var(--dcasa-white);
    padding: 16px;
    font-weight: bold;
    font-size: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dcasa-close {
    background: none;
    border: none;
    color: var(--dcasa-white);
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
}

.dcasa-messages {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    background: #f8f9fa;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dcasa-input-area {
    padding: 12px;
    background: var(--dcasa-white);
    border-top: 1px solid #eaeaea;
    display: flex;
    gap: 8px;
    align-items: center;
}

.dcasa-input-text {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.dcasa-input-text:focus {
    border-color: var(--dcasa-primary);
}

.dcasa-send-btn {
    background: var(--dcasa-primary);
    color: var(--dcasa-white);
    border: none;
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    font-size: 14px;
    transition: opacity 0.2s;
}

.dcasa-send-btn:hover {
    opacity: 0.9;
}