/* --- ЭКРАН 2: ИИ-КОУЧ С ЛЕНТОЙ ЧАТА --- */
#view-coach {
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 0;
    height: 100%;
}
#twa-chat-box {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 12px 16px 8px;
    display: flex;
    flex-direction: column;
    gap: 0;
    -webkit-overflow-scrolling: touch;
}
.chat-day-separator {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 18px 0 14px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.65;
}
.chat-day-separator__line {
    flex: 1;
    height: 1px;
    background: var(--divider-color);
}
.chat-day-separator__label {
    flex-shrink: 0;
    white-space: nowrap;
}
.chat-message {
    display: flex;
    flex-direction: column;
    padding: 8px 0;
    margin-bottom: 10px;
    max-width: 100%;
    font-size: 16px;
    line-height: 1.65;
    word-break: break-word;
}
.chat-message--user {
    align-items: flex-end;
}
.chat-message--model,
.chat-message--system {
    align-items: flex-start;
}
.chat-message__body {
    white-space: pre-line;
    max-width: 100%;
}
.chat-message--user .chat-message__body {
    text-align: right;
}
.chat-message--model .chat-message__body,
.chat-message--system .chat-message__body {
    text-align: left;
}
.chat-message--system {
    color: var(--text-secondary);
}
.chat-message__time {
    margin-top: 4px;
    font-size: 12px;
    line-height: 1;
    color: var(--text-secondary);
}
.chat-message--user .chat-message__time {
    text-align: right;
}
.chat-message--model .chat-message__time,
.chat-message--system .chat-message__time {
    text-align: left;
}
.chat-loading {
    color: var(--text-secondary);
    font-size: 14px;
    padding: 8px 0 12px;
    font-style: italic;
}
.chat-input-area {
    display: flex;
    flex-shrink: 0;
    /* Extra bottom pad lifts field/Report/send clear of the nav top border. */
    padding: 14px 16px 18px;
    /* Bottom chrome (input + nav): #0A0A0A — chat messages keep body bg. */
    background-color: #0A0A0A;
    gap: 10px;
    border-top: 1px solid var(--divider-color);
    width: 100%;
    min-height: 70px;
    align-items: center;
}
.chat-input-area input {
    flex: 1;
    background: var(--control-bg);
    border: 1px solid var(--control-border);
    padding: 12px 14px;
    border-radius: var(--control-radius);
    color: var(--text-color);
    font-family: inherit;
    font-size: var(--font-body-lg);
    line-height: 1.65;
    outline: none;
    transition: border-color var(--motion-ui) var(--ease-standard);
}
.chat-input-area input:focus {
    border-color: var(--accent-color);
}
.chat-input-area input::placeholder {
    color: var(--text-secondary);
}
.chat-input-area button {
    background: var(--purple-color);
    color: var(--button-text);
    border: none;
    width: var(--control-min-height);
    height: var(--control-min-height);
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: filter var(--motion-fast) var(--ease-standard),
        transform var(--motion-fast) var(--ease-standard);
}
.chat-input-area button:active {
    transform: scale(0.96);
}
#twa-chat-input:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}
#twa-chat-send:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

.mentor-limit-banner {
    margin: 8px 0 14px;
    padding: 12px 14px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    background: rgba(20, 16, 10, 0.92);
    display: grid;
    gap: 6px;
    max-width: 92%;
}

.mentor-limit-banner__title {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: #F0E6C8;
}

.mentor-limit-banner__body {
    margin: 0;
    font-size: 13px;
    line-height: 1.45;
    color: #B8B8B8;
}

.mentor-limit-banner__cta {
    justify-self: start;
    margin-top: 4px;
    border: 1px solid rgba(212, 175, 55, 0.4);
    border-radius: 10px;
    background: rgba(212, 175, 55, 0.1);
    color: #E6C96A;
    font: inherit;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 12px;
    cursor: pointer;
}