/* assets/css/vivo-safechat.css */

/* --- 1. IMPORT FONTS --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700&family=Mulish:wght@600;700&display=swap');

/* --- ROOT VARIABLES (Theming) --- */
:root {
    --vac-primary: #2563eb;       
    --vac-primary-fg: #ffffff;
    --vac-bg: #ffffff;
    --vac-bg-secondary: #f9fafb;
    --vac-text: #1f2937;
    --vac-border: #e5e7eb;
    --vac-focus-ring: #000000;    
    --vac-input-bg: #ffffff;      
    --vac-input-text: #1f2937;    
}

@media (prefers-color-scheme: dark) {
    :root {
        --vac-primary: #3b82f6;
        --vac-primary-fg: #ffffff;
        --vac-bg: #1f2937;
        --vac-bg-secondary: #111827;
        --vac-text: #f3f4f6;
        --vac-border: #374151;
        --vac-focus-ring: #ffffff;
        --vac-input-bg: #1f2937;  
        --vac-input-text: #f3f4f6; 
    }
}

/* --- MAIN CONTAINER --- */
.vac-chat-wrapper {
    box-sizing: border-box;
    width: 100%;
    max-width: 800px;
    margin: 2rem auto;
    background: var(--vac-bg);
    border: 2px solid var(--vac-border);
    border-radius: 1rem;
    font-family: system-ui, -apple-system, sans-serif;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    color: var(--vac-text);
}

/* --- FOCUS STATES --- */
button:focus-visible, textarea:focus-visible, input:focus-visible {
    outline: 3px solid var(--vac-focus-ring);
    outline-offset: 2px;
    box-shadow: 0 0 0 6px var(--vac-bg);
}

/* --- CHAT HISTORY --- */
.vac-chat-messages {
    height: 500px;
    height: 60vh;
    overflow-y: auto;
    padding: 1.5rem;
    background-color: var(--vac-bg-secondary);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    scroll-behavior: smooth;
}

/* Scrollbar */
.vac-chat-messages::-webkit-scrollbar { width: 12px; }
.vac-chat-messages::-webkit-scrollbar-track { background: var(--vac-bg); }
.vac-chat-messages::-webkit-scrollbar-thumb { 
    background-color: #6b7280; 
    border-radius: 6px;
    border: 3px solid var(--vac-bg);
}

/* --- MESSAGE ROWS --- */
.vac-message-row {
    display: flex;
    flex-direction: column;
    max-width: 85%;
    width: fit-content;
    position: relative;
}

@media (prefers-reduced-motion: no-preference) {
    .vac-message-row { animation: vac-fade-in 0.3s ease-out; }
}

.vac-row-user { 
    align-self: flex-end; 
    align-items: flex-end; 
    margin-left: auto;
}
.vac-row-assistant { 
    align-self: flex-start; 
    align-items: flex-start; 
    margin-right: auto;
}

/* --- BUBBLES --- */
.vac-chat-message {
    padding: 1rem 1.25rem;
    border-radius: 1rem;
    font-size: 1.05rem;
    line-height: 1.6;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.vac-chat-message-user {
    background-color: var(--vac-primary);
    color: var(--vac-primary-fg);
    border-bottom-right-radius: 0.25rem;
}

.vac-chat-message-assistant {
    background-color: var(--vac-bg);
    color: var(--vac-text);
    border: 1px solid var(--vac-border);
    border-bottom-left-radius: 0.25rem;
}

/* --- ACTIONS --- */
.vac-message-actions {
    margin-top: 0.5rem;
    display: flex;
    gap: 0.5rem;
}

.vac-speak-btn {
    background: transparent;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--vac-text);
    opacity: 0.7;
    transition: background-color 0.2s, opacity 0.2s;
}
.vac-speak-btn:hover { background-color: var(--vac-border); opacity: 1; }

/* --- INPUT AREA --- */
.vac-chat-controls {
    padding: 1.5rem;
    background: var(--vac-bg);
    border-top: 1px solid var(--vac-border);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.vac-chat-input {
    width: 100%;
    min-height: 3.5rem;
    padding: 1rem;
    border: 2px solid var(--vac-border);
    border-radius: 0.75rem;
    font-size: 1rem;
    font-family: inherit;
    background-color: var(--vac-input-bg);
    color: var(--vac-input-text);
    resize: vertical;
}

/* Input Focus */
.vac-chat-input:focus {
    background-color: var(--vac-input-bg);
    color: var(--vac-input-text);
    border-color: var(--vac-primary);
    outline: none;
}

/* --- FOOTER --- */
.vac-chat-footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.5rem; /* Space between Mic and Send */
}

.vac-chat-send-btn {
    background-color: var(--vac-text);
    color: var(--vac-bg);
    border: 2px solid transparent;
    padding: 0.75rem 2rem;
    border-radius: 2rem;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    min-width: 44px;
    min-height: 44px;
    transition: opacity 0.2s;
}
.vac-chat-send-btn:hover { opacity: 0.9; }
.vac-chat-send-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.vac-chat-status {
    font-size: 0.875rem;
    color: #6b7280;
    text-align: center;
    min-height: 1.5rem;
}

/* --- MIC BUTTON --- */
.vac-mic-btn {
    background-color: transparent;
    border: 2px solid var(--vac-text);
    color: var(--vac-text);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    padding: 0;
}
.vac-mic-btn:hover { background-color: var(--vac-bg-secondary); }

/* Active Listening State (Red Pulse) */
.vac-listening {
    border-color: #ef4444;
    color: #ef4444;
    background-color: rgba(239, 68, 68, 0.1);
    animation: vac-pulse 1.5s infinite;
}

@keyframes vac-pulse {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

@keyframes vac-fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.vac-typing-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: var(--vac-bg-secondary);
    border-radius: 1rem;
    border-bottom-left-radius: 0.25rem;
    width: fit-content;
    margin-bottom: 1rem;
}

.vac-dot {
    width: 0.5rem;
    height: 0.5rem;
    background-color: #6b7280;
    border-radius: 50%;
}

@media (prefers-reduced-motion: no-preference) {
    .vac-dot { animation: vac-bounce 1.4s infinite ease-in-out both; }
    .vac-dot:nth-child(1) { animation-delay: -0.32s; }
    .vac-dot:nth-child(2) { animation-delay: -0.16s; }
}

@keyframes vac-bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}