/* =====================================================
   Companion Chat Framework - Chat Interface Styles
   ===================================================== */

/* Chat Index Page */
.chat-index-page {
    max-width: 800px;
    margin: 0 auto;
}

.chat-companion-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    margin-bottom: 1.5rem;
}

.chat-companion-header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.chat-companion-header p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.companion-avatar-small {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.companion-avatar-small img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-placeholder-small {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-agentic));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

/* Conversations List */
.conversations-section h2 {
    margin-bottom: 1rem;
}

.new-conversation-form {
    margin-bottom: 1.5rem;
}

.new-conversation-form .form-row {
    display: flex;
    gap: 0.75rem;
}

.new-conversation-form .form-row .form-control {
    flex: 1;
}

.conversations-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.conversation-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all 0.2s;
    text-decoration: none;
    color: var(--color-text);
}

.conversation-item:hover {
    background-color: var(--color-surface-hover);
    border-color: var(--color-primary);
}

.conversation-info h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.conversation-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    align-items: center;
}

/* Chat Page */
.chat-page {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 140px);
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.chat-header {
    padding: 1rem 1.5rem;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.back-link {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.back-link:hover {
    color: var(--color-text);
}

.chat-companion-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.chat-companion-info h1 {
    font-size: 1.125rem;
    margin: 0;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-indicator::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-online::before {
    background-color: var(--color-success);
}

.status-agentic::before {
    background-color: var(--color-agentic);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Messages Area */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: var(--color-background);
}

.message {
    display: flex;
    max-width: 80%;
}

.message-user {
    align-self: flex-end;
}

.message-assistant {
    align-self: flex-start;
}

.message-content {
    padding: 0.875rem 1rem;
    border-radius: var(--radius-lg);
    position: relative;
}

.message-user .message-content {
    background-color: var(--color-primary);
    color: white;
    border-bottom-right-radius: var(--radius-sm);
}

.message-assistant .message-content {
    background-color: var(--color-surface-hover);
    color: var(--color-text);
    border-bottom-left-radius: var(--radius-sm);
}

.message-text {
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.5;
}

.message-time {
    font-size: 0.625rem;
    opacity: 0.7;
    margin-top: 0.375rem;
    text-align: right;
}

.agentic-badge {
    display: inline-block;
    font-size: 0.625rem;
    padding: 0.125rem 0.375rem;
    background-color: rgba(168, 85, 247, 0.3);
    color: var(--color-agentic);
    border-radius: var(--radius-sm);
    margin-bottom: 0.375rem;
    font-weight: 500;
}

/* Chat Input */
.chat-input-area {
    padding: 1rem 1.5rem;
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

.chat-form {
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
}

.chat-form textarea {
    flex: 1;
    padding: 0.75rem 1rem;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    font-size: 0.875rem;
    resize: none;
    max-height: 120px;
    line-height: 1.5;
}

.chat-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.chat-form button {
    padding: 0.75rem 1.25rem;
    min-height: 44px;
}

.typing-indicator {
    padding: 0.5rem 0;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* Chat Select Page */
.chat-select-page {
    text-align: center;
    padding: 4rem 2rem;
}

.chat-select-page h1 {
    margin-bottom: 1rem;
}

.chat-select-page p {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

/* Scrollbar Styling */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background-color: var(--color-border);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background-color: var(--color-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .chat-page {
        height: calc(100vh - 120px);
        border-radius: 0;
        border: none;
    }

    .message {
        max-width: 90%;
    }

    .chat-header {
        padding: 0.75rem 1rem;
    }

    .chat-messages {
        padding: 1rem;
    }

    .chat-input-area {
        padding: 0.75rem 1rem;
    }
}