@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
    --caic-primary: #2563eb;
    --caic-primary-hover: #1d4ed8;
    --caic-bg-window: #ffffff;
    --caic-bg-input: #f8fafc;
    --caic-bg-ai-msg: #f1f5f9;
    --caic-text-main: #1e293b;
    --caic-text-muted: #64748b;
    
    /* 1. WARNA BORDER DIPERTEGAS */
    --caic-border: #cbd5e1; /* Sedikit lebih gelap dari sebelumnya (#e2e8f0) */
    
    --caic-radius-lg: 16px;
    --caic-radius-md: 12px;
    --caic-radius-sm: 8px;
    
    /* 2. BAYANGAN DIPERTEBAL AGAR LEBIH TERPISAH DARI BACKGROUND WEBSITE */
    --caic-shadow-float: 0 15px 50px rgba(0, 0, 0, 0.25);
    
    --caic-shadow-btn: 0 4px 14px 0 rgba(37, 99, 235, 0.3);
}

#caic-chatbot-wrapper {
    position: fixed;
    bottom: 16px; 
    right: 16px;
    z-index: 99999;
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.5;
}

#caic-toggle-btn {
    width: auto;
    padding: 0 20px; 
    height: 44px; 
    border-radius: 999px;
    background: var(--caic-primary);
    color: #ffffff;
    border: none;
    font-size: 15px; 
    font-weight: 600;
    font-family: 'Plus Jakarta Sans', sans-serif;
    cursor: pointer;
    box-shadow: var(--caic-shadow-btn);
    float: right;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

#caic-toggle-btn:hover {
    background: var(--caic-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

#caic-toggle-btn:active {
    transform: translateY(0);
}

#caic-chat-window {
    width: 360px;
    
    /* 3. TINGGI JENDELA DIPANGKAS DARI 550px MENJADI 460px */
    height: 460px; 
    
    max-height: calc(100vh - 80px);
    background: var(--caic-bg-window);
    border: 1px solid var(--caic-border);
    border-radius: var(--caic-radius-lg);
    display: flex;
    flex-direction: column;
    box-shadow: var(--caic-shadow-float);
    margin-bottom: 12px; 
    overflow: hidden;
    color: var(--caic-text-main);
    animation: caicFadeUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes caicFadeUp {
    0% { opacity: 0; transform: translateY(20px) scale(0.95); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

#caic-chat-header {
    background: #ffffff;
    border-bottom: 1px solid var(--caic-border);
    padding: 12px 16px; 
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

#caic-clear-chat {
    cursor: pointer;
    font-size: 16px;
    opacity: 0.6;
    transition: opacity 0.2s;
}
#caic-clear-chat:hover { opacity: 1; }

#caic-chat-messages {
    flex-grow: 1;
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    scroll-behavior: smooth;
    background: #ffffff;
}

#caic-chat-messages::-webkit-scrollbar { width: 6px; }
#caic-chat-messages::-webkit-scrollbar-track { background: transparent; }
#caic-chat-messages::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 10px; }
#caic-chat-messages::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

.caic-msg {
    max-width: 85%;
    padding: 10px 14px; 
    font-size: 13.5px;
    line-height: 1.5;
    word-wrap: break-word;
    animation: caicMsgPop 0.2s ease-out;
}

@keyframes caicMsgPop {
    0% { opacity: 0; transform: translateY(5px); }
    100% { opacity: 1; transform: translateY(0); }
}

.caic-user {
    background: var(--caic-primary);
    color: #ffffff;
    align-self: flex-end;
    border-radius: var(--caic-radius-md) var(--caic-radius-md) 2px var(--caic-radius-md);
    box-shadow: 0 2px 5px rgba(37, 99, 235, 0.1);
}

.caic-ai {
    background: var(--caic-bg-ai-msg);
    color: var(--caic-text-main);
    align-self: flex-start;
    border-radius: var(--caic-radius-md) var(--caic-radius-md) var(--caic-radius-md) 2px;
    border: 1px solid var(--caic-border);
}

#caic-chat-input-area {
    display: flex;
    gap: 8px;
    padding: 12px 16px 4px 16px; 
    background: #ffffff;
    border-top: 1px solid var(--caic-border);
}

#caic-user-input {
    flex-grow: 1;
    padding: 8px 12px; 
    border: 1px solid var(--caic-border);
    border-radius: var(--caic-radius-sm);
    background: var(--caic-bg-input);
    color: var(--caic-text-main);
    font-size: 13.5px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    outline: none;
    transition: all 0.2s;
}

#caic-user-input::placeholder { color: var(--caic-text-muted); }

#caic-user-input:focus {
    border-color: var(--caic-primary);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

#caic-send-btn {
    background: var(--caic-primary);
    color: #ffffff;
    border: none;
    padding: 0 16px; 
    font-weight: 600;
    font-size: 13.5px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    border-radius: var(--caic-radius-sm);
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

#caic-send-btn:hover { background: var(--caic-primary-hover); }
#caic-send-btn:active { transform: scale(0.95); }

#caic-watermark {
    text-align: center;
    font-size: 9px;
    color: #cbd5e1;
    background: #ffffff;
    padding-bottom: 10px;
}

@media (max-width: 480px) {
    #caic-chat-window {
        width: calc(100vw - 32px);
        height: 70vh; /* Sedikit dipangkas juga untuk HP */
    }
    #caic-toggle-btn {
        height: 40px;
        padding: 0 16px;
        font-size: 14px;
    }
}