:root {

    --primary-color: #0b1e3a;

    --header-text-color: #ffffff;

    --container-bg: #f5f9ff;

    --user-bg: var(--primary-color);

    --user-text: #ffffff;

    --bot-bg: #eef3ff;

    --bot-text: #111111;

    --system-bg: #fff3cd;

    --input-border: #c9d8f0;



    /* Toggle button defaults */

    --toggle-bg: var(--primary-color);

    --toggle-text: #ffffff;

    --toggle-hover: #123a70;

    --toggle-icon: #ffffff;

}





.ai-identity-error {

    min-height: 18px;

    color: #d32f2f;

    font-size: 13px;

    margin-bottom: 8px;

}



.ai-end-btn {

    background: #e74c3c;

    color: white;

    border: none;

    padding: 8px 12px;

    margin-left: 6px;

    border-radius: 6px;

    cursor: pointer;

}



.ai-end-btn:hover {

    background: #c0392b;

}



#ai-chat-container {

    position: fixed;

    bottom: 90px;

    right: 20px;



    width: 340px;

    height: 500px;



    background: var(--container-bg);

    border-radius: 12px;

    box-shadow: 0 10px 30px rgba(0,0,0,0.25);

    display: flex;

    flex-direction: column;

    font-family: Arial, sans-serif;

    overflow: hidden;



    transform: translateY(20px);

    opacity: 0;

    pointer-events: none;

    transition: all 0.25s ease;

}



#ai-chat-container.open {

    transform: translateY(0);

    opacity: 1;

    pointer-events: auto;

}





#ai-chat-header {

    background: var(--primary-color);

    color: var(--header-text-color);

    padding: 15px;

    border-radius: 12px 12px 0 0;

}



#ai-contact-box {

    padding: 10px;

    border-bottom: 1px solid #eee;

}



#ai-contact-box input {

    width: 100%;

    margin-bottom: 6px;

    padding: 8px;

    border-radius: 6px;

    border: 1px solid var(--input-border);

    background: var(--container-bg);

    color: #111;

}





#ai-chat-messages {

    flex: 1;

    padding: 15px;

    overflow-y: auto;

    display: flex;

    flex-direction: column;

    font-size: 14px;

}



/* Message base */

.ai-message {

    margin-bottom: 10px;

    padding: 10px 14px;

    border-radius: 16px;

    max-width: 75%;

    word-wrap: break-word;

    border: none;

}



/* USER */

.ai-user {

    background: var(--user-bg);

    color: var(--user-text);

    align-self: flex-end;

    border-bottom-right-radius: 4px;

}



/* AI (left side) */

/* AI */

.ai-bot {

    background: var(--bot-bg);

    color: var(--bot-text);

    align-self: flex-start;

    border-bottom-left-radius: 4px;

}



/* SYSTEM */

.ai-system {

    background: var(--system-bg);

    color: #333;

    align-self: center;

    font-size: 13px;

}



/* Center screens */

.ai-center-screen {

    flex: 1;

    display: flex;

    align-items: center;

    justify-content: center;

}



/* Card style */

.ai-card {

    background: var(--bot-bg);

    padding: 20px;

    border-radius: 14px;

    width: 90%;

    text-align: center;

    box-shadow: 0 6px 18px rgba(0,0,0,0.08);

}



.ai-card-title {

    font-weight: 600;

    margin-bottom: 15px;

    color: var(--bot-text);

}



/* Modern input */

.ai-input {

    width: 100%;

    margin-bottom: 10px;

    padding: 10px;

    border-radius: 8px;

    border: 1px solid var(--input-border);

    background: white;

    font-size: 14px;

}



/* Primary button */

.ai-primary-btn {

    width: 100%;

    padding: 10px;

    border-radius: 8px;

    border: none;

    background: var(--primary-color);

    color: white;

    font-weight: 600;

    cursor: pointer;

    transition: 0.2s;

}



.ai-primary-btn:hover {

    opacity: 0.9;

}







#ai-chat-input-container {

    display: flex;

    padding: 10px;

    border-top: 1px solid #ddd;

}



#ai-chat-input {

    flex: 1;

    padding: 10px;

    border-radius: 6px;

    border: 1px solid var(--input-border);

    background: var(--container-bg);

    color: #111;

}





#ai-chat-send {

    margin-left: 8px;

    padding: 10px 14px;

    border-radius: 6px;

    border: none;

    background: var(--primary-color);

    color: var(--header-text-color);

    cursor: pointer;

}



#ai-chat-send:hover {

    opacity: 0.9;

}



#ai-chat-toggle {

    position: fixed;

    bottom: 20px;

    right: 20px;



    display: flex;

    align-items: center;

    gap: 8px;



    padding: 12px 18px;

    border-radius: 30px;



    background: var(--toggle-bg);

    color: var(--toggle-text);



    border: none;

    font-size: 14px;

    font-weight: 600;



    cursor: pointer;

    box-shadow: 0 6px 20px rgba(0,0,0,0.25);

    transition: all 0.2s ease;

}



#ai-chat-toggle:hover {

    background: var(--toggle-hover);

    transform: translateY(-2px);

}



#ai-chat-toggle svg {

    width: 18px;

    height: 18px;

    fill: var(--toggle-icon);

    flex: 0 0 auto;

}





#ai-chat-toggle:hover {

    background: var(--toggle-hover, var(--primary-color));

    transform: translateY(-2px);

}



#ai-chat-toggle .ai-chat-icon {

    font-size: 18px;

}





#ai-chat-toggle:hover {

    transform: scale(1.05);

}



#ai-chat-toggle img.ai-chat-custom-icon {

    width: 18px;

    height: 18px;

    object-fit: contain;

}



/* === Align SEND + END buttons === */



#ai-chat-send,

#ai-end-session {

    height: 38px;

    padding: 0 14px;

    font-size: 14px;

    display: flex;

    align-items: center;

    justify-content: center;

}



#ai-chat-send {

    border-radius: 6px;

}



#ai-end-session {

    border-radius: 6px;

}