/* Chat Section Base */
.chat-section {
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    position: relative;
    border-radius: 0 24px 24px 0;
}

/* Chat Header */
.chat-header {
    background: var(--bg-primary);
    padding: 24px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 0 24px 0 0;
}

.chat-title {
    display: flex;
    flex-direction: column;
}

.chat-title h2 {
    color: var(--text-primary);
    margin-bottom: 6px;
    font-size: 22px;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.chat-title p {
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
}

.chat-controls {
    display: flex;
    gap: 10px;
}

.header-btn {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px 16px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.header-btn:hover {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

/* Messages Container */
.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    scroll-behavior: smooth;
}

/* Message Bubbles */
.message {
    max-width: 85%;
    padding: 16px 20px;
    border-radius: 24px;
    font-size: 14px;
    line-height: 1.6;
    animation: slideIn 0.4s ease;
    word-wrap: break-word;
    position: relative;
}

.message.user {
    background: var(--primary-gradient);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 8px;
    box-shadow: var(--shadow-medium);
}

.message.assistant {
    background: var(--bg-primary);
    color: var(--text-primary);
    align-self: flex-start;
    border: 2px solid var(--border-color);
    border-bottom-left-radius: 8px;
    box-shadow: var(--shadow-light);
}

.message.system {
    background: var(--message-warning-gradient);
    color: var(--message-warning-text);
    align-self: center;
    font-size: 13px;
    border: 2px solid var(--message-warning-border);
    text-align: center;
    max-width: 90%;
    font-weight: 600;
}

.message.error {
    background: var(--message-error-gradient);
    color: var(--message-error-text);
    border: 2px solid var(--message-error-border);
    align-self: center;
    max-width: 90%;
    font-weight: 600;
}

.message.success {
    background: var(--message-success-gradient);
    color: var(--message-success-text);
    border: 2px solid var(--message-success-border);
    align-self: center;
    max-width: 90%;
    font-weight: 600;
}

.message-time {
    font-size: 11px;
    opacity: 0.6;
    margin-top: 6px;
    font-weight: 500;
}

.message-actions {
    position: absolute;
    top: -10px;
    right: 10px;
    display: none;
    background: rgba(0, 0, 0, 0.8);
    border-radius: 8px;
    padding: 4px;
    gap: 4px;
}

.message:hover .message-actions {
    display: flex;
}

.message-action-btn {
    background: none;
    border: none;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s ease;
}

.message-action-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Typing Indicator */
.typing-indicator {
    display: none;
    padding: 16px 20px;
    background: var(--bg-primary);
    border-radius: 24px;
    border-bottom-left-radius: 8px;
    align-self: flex-start;
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-light);
}

.typing-indicator.show {
    display: block;
}

.typing-dots {
    display: flex;
    gap: 6px;
    align-items: center;
}

.typing-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-secondary);
    animation: typingPulse 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-dot:nth-child(2) {
    animation-delay: -0.16s;
}

/* Input Section */
.input-container {
    padding: 24px;
    background: var(--bg-primary);
    border-top: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 16px;
    border-radius: 0 0 24px 0;
}

.quick-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.quick-action {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.quick-action:hover {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.input-row {
    display: flex;
    gap: 16px;
    align-items: flex-end;
}

.input-wrapper {
    flex: 1;
    position: relative;
}

#messageInput {
    width: 100%;
    padding: 16px 60px 16px 20px;
    border: 2px solid var(--border-color);
    border-radius: 20px;
    font-size: 14px;
    resize: none;
    max-height: 140px;
    min-height: 52px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.3s ease;
    font-family: inherit;
    line-height: 1.5;
}

#messageInput:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: var(--glow-blue);
    background: var(--bg-secondary);
}

.input-actions {
    position: absolute;
    right: 10px;
    bottom: 10px;
    display: flex;
    gap: 6px;
}

.input-btn {
    background: rgba(102, 126, 234, 0.1);
    border: none;
    color: var(--text-secondary);
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

.input-btn:hover {
    background: var(--primary-gradient);
    color: white;
    transform: scale(1.1);
}

.send-btn {
    background: var(--primary-gradient);
    border: none;
    color: white;
    padding: 16px 24px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 700;
    font-size: 14px;
    transition: all 0.3s ease;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-medium);
}

.send-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--glow-blue);
}

.send-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Animations */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes typingPulse {
    0%, 80%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    40% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .chat-section {
        border-radius: 0 0 24px 24px;
    }

    .chat-header {
        border-radius: 0;
    }

    .input-container {
        border-radius: 0 0 24px 24px;
    }
}

@media (max-width: 768px) {
    .chat-header {
        padding: 20px;
    }

    .messages-container {
        padding: 20px;
    }

    .input-container {
        padding: 20px;
    }

    .quick-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .quick-action {
        justify-content: center;
    }
}