/* settings — область домена (выделено из main.css при рефакторинге R5). */

/* Settings Hub */
.settings-hub {
    max-width: 760px;
    height: 80vh;
}

.settings-hub__body {
    display: flex;
    flex: 1;
    min-height: 0;
}

.settings-hub__tabs {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 12px;
    border-right: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    min-width: 180px;
}

.settings-hub__tab {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    text-align: left;
    padding: 10px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.2s, color 0.2s;
}

.settings-hub__tab:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.settings-hub__tab--active {
    background: var(--accent);
    color: white;
}

.settings-hub__tab--active:hover {
    background: var(--accent);
    color: white;
}

.settings-hub__content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    min-width: 0;
}

/* ───────── Внешний вид (Шаг 7) ───────── */
.appearance-section {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.appearance-group__title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.appearance-group__hint {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.4;
}

.appearance-empty {
    color: var(--text-secondary);
    font-style: italic;
    padding: 12px 0;
}

/* Segmented control (light/dark) */
.segmented {
    display: inline-flex;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.segmented__btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px 16px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.2s, color 0.2s;
}

.segmented__btn + .segmented__btn {
    border-left: 1px solid var(--border-color);
}

.segmented__btn:hover {
    color: var(--text-primary);
    background: var(--hover-bg);
}

.segmented__btn--active {
    background: var(--accent);
    color: white;
}

.segmented__btn--active:hover {
    background: var(--accent);
    color: white;
}

/* Server theme cards */
.theme-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 10px;
}

.theme-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: 8px;
    padding: 12px 14px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    font-family: inherit;
}

.theme-card:hover {
    background: var(--hover-bg);
}

.theme-card--active {
    border-color: var(--accent);
    background: var(--hover-bg);
}

.theme-card__row {
    display: flex;
    align-items: center;
    gap: 6px;
    max-width: calc(100% - 28px);
}

.theme-card__name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    word-break: break-word;
}

.theme-card__desc {
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.3;
}

.theme-card__check {
    color: var(--accent);
    font-weight: 700;
    font-size: 14px;
    line-height: 1;
}

.theme-card__download {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 26px;
    height: 26px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    line-height: 1;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.theme-card__download:hover {
    background: var(--hover-bg);
    color: var(--accent);
    border-color: var(--accent);
}

/* Upload section (TH11) */
.theme-upload {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.theme-upload__hint {
    font-size: 12px;
    color: var(--text-secondary);
    font-style: italic;
}

.btn-upload-theme {
    background: var(--accent);
    color: white;
    border: none;
    padding: 8px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: background 0.2s, opacity 0.2s;
}

.btn-upload-theme:hover:not(:disabled) {
    background: var(--accent);
    opacity: 0.9;
}

.btn-upload-theme:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.upload-confirm {
    flex-basis: 100%;
    margin-top: 4px;
}

.upload-error-pre {
    flex-basis: 100%;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 200px;
    overflow-y: auto;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 12px;
    line-height: 1.4;
    margin: 0;
    padding: 8px 10px;
}

.llm-config-form .form-group {
    margin-bottom: 16px;
}

.llm-config-form label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.llm-config-form .hint {
    color: var(--text-secondary);
    font-size: 12px;
    font-style: italic;
}

.llm-config-form input[type="text"],
.llm-config-form input[type="password"],
.llm-config-form input[type="number"] {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}

.llm-config-form input[type="text"]:focus,
.llm-config-form input[type="password"]:focus,
.llm-config-form input[type="number"]:focus {
    outline: none;
    border-color: var(--accent);
}

/* ----------------------------------------------------------------
 * Шаг 4 — LLM-таб: улучшенные контролы
 * ---------------------------------------------------------------- */

.llm-config-form label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.llm-config-form label .hint {
    margin-left: auto;
}

.llm-config-form label .hint--warning {
    color: #ff9800;
    font-weight: 500;
}

.llm-config-form .api-key-set {
    color: #4caf50;
    font-style: normal;
    letter-spacing: 1px;
}

/* Поле ввода с action-кнопкой (api_key 👁 / model «Список») */
.input-with-action {
    display: flex;
    gap: 6px;
    align-items: stretch;
}

.input-with-action input {
    flex: 1;
    min-width: 0;
}

.input-action-btn {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    padding: 0 12px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.2s, border-color 0.2s;
    white-space: nowrap;
    min-width: 56px;
}

.input-action-btn:hover:not(:disabled) {
    background: var(--hover-bg);
    border-color: var(--accent);
}

.input-action-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Inline-сообщение под полем */
.field-message {
    margin-top: 6px;
    font-size: 12px;
    line-height: 1.4;
}

.field-message--error {
    color: #f44336;
}

/* Выпадающий список моделей */
.models-dropdown {
    margin-top: 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.models-dropdown__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 10px;
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.models-dropdown__close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    padding: 0 4px;
}

.models-dropdown__close:hover {
    color: var(--text-primary);
}

.models-dropdown__list {
    max-height: 220px;
    overflow-y: auto;
}

.models-dropdown__item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 10px;
    cursor: pointer;
    text-align: left;
    font-size: 13px;
    transition: background 0.15s;
}

.models-dropdown__item:last-child {
    border-bottom: none;
}

.models-dropdown__item:hover {
    background: var(--hover-bg);
}

.models-dropdown__item--active {
    background: rgba(var(--accent-rgb, 76, 175, 80), 0.12);
    color: var(--accent);
    font-weight: 500;
}

.models-dropdown__id {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.models-dropdown__owner {
    color: var(--text-secondary);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Temperature слайдер */
.temperature-value {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    color: var(--accent) !important;
    font-weight: 500;
    font-style: normal !important;
}

.temperature-slider {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    outline: none;
    margin: 6px 0 0;
    cursor: pointer;
}

.temperature-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--bg-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.temperature-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--bg-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.temperature-presets {
    display: flex;
    gap: 6px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.temperature-presets button {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.temperature-presets button:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
    border-color: var(--accent);
}

/* Кнопка проверки подключения + результат */
.btn-check-connection {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: background 0.2s, border-color 0.2s;
}

.btn-check-connection:hover:not(:disabled) {
    background: var(--hover-bg);
    border-color: var(--accent);
}

.btn-check-connection:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.connection-result {
    margin-left: 10px;
    font-size: 13px;
    font-weight: 500;
}

.connection-result--ok {
    color: #4caf50;
}

.connection-result--fail {
    color: #f44336;
}

/* Dirty-индикатор */
.llm-dirty-indicator {
    margin: 8px 0;
    padding: 6px 10px;
    background: rgba(255, 152, 0, 0.12);
    color: #ff9800;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.llm-config-form .btn-save:disabled,
.llm-config-form .btn-cancel:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================================
   Behavior tab: system prompt editor
   ============================================================ */
.behavior-form {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.behavior-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
}

.behavior-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.behavior-badge {
    font-size: 11px;
    font-weight: 500;
    padding: 2px 8px;
    border-radius: 10px;
    line-height: 1.4;
}

.behavior-badge--default {
    background: rgba(76, 175, 80, 0.15);
    color: #4caf50;
}

.behavior-badge--custom {
    background: rgba(255, 152, 0, 0.15);
    color: #ff9800;
}

.prompt-textarea {
    width: 100%;
    min-height: 300px;
    padding: 12px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
        "Liberation Mono", "Courier New", monospace;
    font-size: 13px;
    line-height: 1.5;
    resize: vertical;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

.prompt-textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.prompt-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 6px;
    font-size: 12px;
}

.prompt-counter {
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.prompt-counter--warn {
    color: #ff9800;
    font-weight: 500;
}

.prompt-counter--over {
    color: #f44336;
    font-weight: 600;
}

.prompt-warning {
    color: #ff9800;
    font-weight: 500;
}

.prompt-warning--over {
    color: #f44336;
    font-weight: 600;
}

.prompt-actions-secondary {
    display: flex;
    justify-content: flex-start;
    margin: 4px 0;
}

.btn-reset-prompt {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: background 0.2s, border-color 0.2s;
}

.btn-reset-prompt:hover:not(:disabled) {
    background: var(--bg-primary);
    border-color: var(--accent);
}

.btn-reset-prompt:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.behavior-form .form-actions {
    margin-top: 8px;
}

.behavior-form .btn-save:disabled,
.behavior-form .btn-cancel:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-add-server {
    background: var(--accent);
    border: none;
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    margin-left: auto;
    transition: opacity 0.2s;
}

.btn-add-server:hover {
    opacity: 0.9;
}

.add-server-form {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
}

.add-server-form .form-group {
    margin-bottom: 12px;
}

.add-server-form .form-group:last-child {
    margin-bottom: 0;
}

.add-server-form label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.add-server-form input[type="text"],
.add-server-form select {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 14px;
}

.add-server-form input[type="text"]:focus,
.add-server-form select:focus {
    outline: none;
    border-color: var(--accent);
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 16px;
}

.btn-cancel {
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.2s;
}

.btn-cancel:hover {
    background: var(--hover-bg);
}

.btn-save {
    background: var(--accent);
    border: none;
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: opacity 0.2s;
}

.btn-save:hover {
    opacity: 0.9;
}

.mcp-server-card {
    position: relative;
}

.server-actions {
    display: flex;
    gap: 6px;
    margin-left: auto;
}

.btn-reconnect,
.btn-remove {
    background: var(--bg-primary);
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: background 0.2s;
}

.btn-reconnect {
    color: var(--text-secondary);
}

.btn-reconnect:hover {
    background: rgba(76, 175, 80, 0.2);
    color: #4caf50;
}

.btn-remove {
    color: var(--text-secondary);
}

.btn-remove:hover {
    background: rgba(244, 67, 54, 0.2);
    color: #f44336;
}

.btn-reconnect:disabled,
.btn-remove:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.no-servers {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* ===== MCP-таб: компактные карточки, поиск инструментов, inline-confirm ===== */

.server-tools-count {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-primary);
    padding: 2px 8px;
    border-radius: 4px;
    white-space: nowrap;
}

.btn-expand {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    font-size: 14px;
    border-radius: 4px;
    transition: background 0.2s, color 0.2s;
    line-height: 1;
}

.btn-expand:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

/* Inline delete confirmation */
.delete-confirm {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    margin-top: 10px;
    background: rgba(244, 67, 54, 0.1);
    border: 1px solid rgba(244, 67, 54, 0.3);
    border-radius: 6px;
    font-size: 13px;
    color: var(--text-primary);
}

.btn-remove-confirm {
    background: #f44336;
    border: none;
    color: white;
    padding: 5px 14px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    margin-left: auto;
    transition: background 0.2s;
}

.btn-remove-confirm:hover {
    background: #d32f2f;
}

.btn-remove-confirm:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.delete-confirm .btn-cancel {
    padding: 5px 14px;
    font-size: 13px;
}

/* Tools section (collapsible) */
.tools-section {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}

.tools-toggle {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    padding: 2px 0;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s;
}

.tools-toggle:hover {
    color: var(--text-primary);
}

.tools-expanded {
    margin-top: 8px;
}

.tools-search {
    width: 100%;
    box-sizing: border-box;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 8px;
}

.tools-search:focus {
    outline: none;
    border-color: var(--accent);
}

.tools-search::placeholder {
    color: var(--text-secondary);
}

.tools-empty {
    text-align: center;
    padding: 12px;
    color: var(--text-secondary);
    font-size: 13px;
}

.tools-empty--inline {
    padding: 4px 0 0;
    text-align: left;
    font-size: 12px;
}

/* Add-form: field hints, validation errors */
.add-server-form .hint {
    display: block;
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 4px;
    line-height: 1.4;
}

.input-error {
    border-color: #f44336 !important;
}

.field-message {
    font-size: 12px;
    margin-top: 6px;
    margin-bottom: 4px;
}

.field-message--error {
    color: #f44336;
}

/* Accordion transition for add-server-form */
.accordion-enter-active,
.accordion-leave-active {
    transition: opacity 0.2s ease, max-height 0.25s ease;
    overflow: hidden;
}

.accordion-enter-from,
.accordion-leave-to {
    opacity: 0;
    max-height: 0;
}

.accordion-enter-to,
.accordion-leave-from {
    opacity: 1;
    max-height: 700px;
}