/* Sed Workspace — Chat Panel */

.chat-panel {
    flex: 0 0 60%;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Messages */
.message {
    display: flex;
    max-width: 85%;
}

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

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

.message-bubble {
    padding: 0.75rem 1rem;
    border-radius: var(--sed-radius);
    font-size: 0.875rem;
    line-height: 1.6;
}

.message-bubble.user {
    background: var(--sed-primary);
    color: white;
    border-bottom-right-radius: 2px;
}

.message-bubble.sed {
    background: var(--sed-bg);
    color: var(--sed-text);
    border: 1px solid var(--sed-border);
    border-bottom-left-radius: 2px;
}

.message-sender {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--sed-primary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.25rem;
}

.message-text {
    white-space: normal;
    word-wrap: break-word;
}

.message-text p {
    margin-bottom: 0.5rem;
}

.message-text p:last-child {
    margin-bottom: 0;
}

/* Draft in chat */
.message-draft {
    background: var(--sed-bg-elevated);
    border: 1px solid var(--sed-border);
    border-radius: var(--sed-radius-sm);
    padding: 0.75rem;
    margin-top: 0.5rem;
    font-size: 0.825rem;
    line-height: 1.6;
}

.message-draft .draft-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--sed-primary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.4rem;
}

.message-draft .draft-subject-line {
    font-weight: 600;
    color: var(--sed-text);
    margin-bottom: 0.4rem;
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 0.75rem 1rem;
    align-items: center;
}

.typing-indicator span {
    width: 6px;
    height: 6px;
    background: var(--sed-text-light);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { opacity: 0.3; transform: scale(0.8); }
    30% { opacity: 1; transform: scale(1); }
}

/* Toolbar — doubles as app header (logo + status + clear) */
.chat-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.4rem 0.75rem;
    border-bottom: 1px solid var(--sed-border);
    background: var(--sed-bg);
    flex-shrink: 0;
}

.chat-toolbar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chat-toolbar-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Chat Input */
.chat-input-container {
    border-top: 1px solid var(--sed-border);
    padding: 0.75rem 1rem;
    background: var(--sed-bg-elevated);
}

.chat-input-row {
    display: flex;
    gap: 0.5rem;
    align-items: flex-end;
}

.chat-input {
    flex: 1;
    border: 1px solid var(--sed-border-strong);
    border-radius: var(--sed-radius);
    padding: 0.65rem 0.85rem;
    font-size: 0.875rem;
    resize: none;
    min-height: 40px;
    max-height: 120px;
    line-height: 1.5;
    transition: border-color 0.15s;
    background: var(--sed-bg-elevated);
}

.chat-input:focus {
    border-color: var(--sed-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.send-button {
    background: var(--sed-primary);
    color: white;
    border-radius: var(--sed-radius);
    padding: 0.6rem 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.send-button:hover:not(:disabled) {
    background: var(--sed-primary-hover);
}

.send-button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}