/* ===================================================================
   AI Assistant Stylesheet
   Author: Mujtaba Alam (with AI assistance)
   Version: 1.0.0
   Description: Neumorphic styles for the AI assistant chatbot.
   =================================================================== */

/* Using variables from the main style.css for consistency */
:root {
    --ai-fab-size: 60px;
    --ai-chat-width: 350px;
    --ai-chat-height: 500px;
    --ai-chat-offset: 20px;
}

/* --- Floating Action Button (FAB) --- */
#ai-assistant-fab {
    position: fixed;
    bottom: var(--ai-chat-offset);
    right: var(--ai-chat-offset);
    width: var(--ai-fab-size);
    height: var(--ai-fab-size);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 998;
    transition: all 0.3s ease;
}

#ai-assistant-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 20px rgba(0, 123, 255, 0.3);
}

#ai-assistant-fab i {
    font-size: 1.8rem;
    color: var(--primary-color);
}

/* --- Chat Container --- */
#ai-chat-container {
    position: fixed;
    bottom: calc(var(--ai-chat-offset) + var(--ai-fab-size) + 15px);
    right: var(--ai-chat-offset);
    width: var(--ai-chat-width);
    max-width: 90vw;
    height: var(--ai-chat-height);
    max-height: 70vh;
    background: var(--bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--light-shadow), var(--dark-shadow);
    display: flex;
    flex-direction: column;
    z-index: 999;
    
    /* Hide by default */
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}

#ai-chat-container.active {
    opacity: 1;
    transform: translateY(0) scale(1);
    visibility: visible;
}

/* --- Chat Header --- */
.ai-chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.ai-chat-header h3 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--heading-color);
}

#ai-chat-close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    font-weight: 300;
    color: var(--text-color);
    cursor: pointer;
    line-height: 1;
    padding: 0 5px;
    transition: color 0.3s ease, transform 0.3s ease;
}

#ai-chat-close-btn:hover {
    color: var(--danger-color);
    transform: rotate(90deg);
}

/* --- Messages Area --- */
#ai-chat-messages {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

#ai-chat-messages::-webkit-scrollbar { width: 6px; }
#ai-chat-messages::-webkit-scrollbar-track { background: transparent; }
#ai-chat-messages::-webkit-scrollbar-thumb { background: var(--primary-color-dark); border-radius: 10px; }

.chat-message {
    padding: 12px 18px;
    border-radius: 18px;
    max-width: 85%;
    line-height: 1.5;
    word-wrap: break-word;
}

.user-message {
    align-self: flex-end;
    background: var(--primary-color);
    color: var(--white-color);
    border-bottom-right-radius: 5px;
}

.ai-message {
    align-self: flex-start;
    background: var(--bg-color);
    color: var(--text-color);
    box-shadow: var(--light-shadow-soft), var(--dark-shadow-soft);
    border-bottom-left-radius: 5px;
}

/* AI Typing Indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    padding: 12px 18px;
}
.typing-indicator span {
    height: 8px;
    width: 8px;
    margin: 0 2px;
    background-color: var(--text-color);
    border-radius: 50%;
    display: inline-block;
    animation: bounce 1.4s infinite ease-in-out both;
}
.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }
@keyframes bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1.0); }
}

/* --- Input Form --- */
#ai-chat-form {
    display: flex;
    padding: 15px;
    border-top: 1px solid var(--border-color);
    gap: 10px;
    flex-shrink: 0;
}

#ai-chat-input {
    flex-grow: 1;
    border: none;
    padding: 0 20px;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--text-color);
    min-width: 0;
}
#ai-chat-input:focus {
    outline: none;
    box-shadow: var(--inset-light-shadow), var(--inset-dark-shadow), 0 0 0 2px var(--primary-color);
}

#ai-chat-submit {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    padding: 0;
    font-size: 1.2rem;
}

/* --- NEW: Suggestion Chips --- */
#ai-suggestion-chips {
    width: 350px;
    padding: 0 15px 15px 15px; /* Spacing above the input form */
    display: flex;
    flex: row;
    gap: 10px;
    flex-shrink: 0;
}

.suggestion-chip {
    padding: 8px 15px;
    font-size: 0.6rem;
    font-weight: 300;
    color: var(--primary-color);
    background-color: transparent;
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

.suggestion-chip:hover {
    background-color: var(--primary-color);
    color: var(--white-color);
    transform: translateY(-2px);
}

/* --- Responsive Adjustments --- */
@media (max-width: 480px) {
    :root {
        --ai-chat-width: calc(100vw - 20px);
        --ai-chat-offset: 10px;
    }
    #ai-chat-container {
        right: 10px;
        bottom: calc(var(--ai-chat-offset) + var(--ai-fab-size) + 10px);
    }
}