.chat-screen {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding-bottom: 20px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.msg {
    max-width: 70%;
    margin: 10px 0;
    padding: 14px 18px;
    border-radius: var(--radius);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    animation: fadeIn 0.25s ease;
}

.msg-user {
    align-self: flex-end;
    background: var(--bubble-user-bg);
}

.msg-ai {
    align-self: flex-start;
    background: var(--bubble-ai-bg);
}

.msg.thinking {
    opacity: 0.7;
    font-style: italic;
}

.chat-input-area {
    display: flex;
    gap: 10px;
    padding: 12px 20px;
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--glass-border);
}

.chat-input-area input {
    flex: 1;
    padding: 12px 16px;
    border-radius: var(--radius);
    background: rgba(255,255,255,0.12);
    border: none;
    color: var(--text);
}

.chat-input-area button {
    padding: 0 22px;
    border-radius: var(--radius);
    background: var(--accent);
    border: none;
    color: #fff;
    font-weight: 600;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}