/* ==========================================
   МойСклад AI — Desktop Chat UI
   ChatGPT-style layout: assistant = full-width, user = bubble
   ========================================== */

@font-face {
    font-family: 'Geist Sans';
    src: url('fonts/geist-font-1.8.0/fonts/Geist/webfonts/Geist%5Bwght%5D.woff2') format('woff2');
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
}

@font-face {
    font-family: 'Geist Mono';
    src: url('fonts/geist-font-1.8.0/fonts/GeistMono/webfonts/GeistMono%5Bwght%5D.woff2') format('woff2');
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
}

:root {
    /* Core Backgrounds (Modern Corporate) */
    --bg-primary: #F8FAFC;
    /* Ультра-светлый серый для основного фона */
    --bg-secondary: #FFFFFF;
    /* Чисто белый для боковой панели и карточек */
    --bg-tertiary: #FFFFFF;
    /* Чисто белый для полей ввода */
    --bg-hover: rgba(59, 130, 246, 0.05);
    /* Легкий синий налет при наведении */

    /* Accent & Interaction */
    --accent: #3B82F6;
    /* Насыщенный синий */
    --accent-light: #60A5FA;
    --accent-glow: rgba(59, 130, 246, 0.15);

    /* User Bubbles */
    --bg-user: #FFFFFF;
    /* Белые 'пузыри' сообщений пользователя */
    --border-user: #E2E8F0;
    --text-user: #1E293B;

    /* Typography */
    --font-main: 'Geist Sans', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Geist Mono', 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --text-primary: #1E293B;
    /* Грифельно-синий (глубокий и мягкий) */
    --text-secondary: #64748B;
    /* Вторичный серый текст */
    --text-muted: #94A3B8;

    /* Inputs & Borders */
    --bg-input: #FFFFFF;
    --border: #E2E8F0;
    /* Светло-серая рамка */
    --border-light: rgba(226, 232, 240, 0.5);

    /* Feedback States */
    --success: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;

    /* Code & Tables */
    --code-bg: #FFFFFF;
    --table-border: #E2E8F0;
    --table-header: #F8FAFC;

    /* Utils */
    --radius: 10px;
    /* Updated to 10px for Untitled UI feel */
    --radius-sm: 8px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
    --shadow: var(--shadow-md);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-weight: 400;
    /* Standard Untitled UI weight */
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    user-select: none;
    letter-spacing: -0.02em;
    /* Mathematical precision */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

code,
pre,
.mono-text {
    font-family: var(--font-mono);
}

/* Icons Global Styles */
i.ph {
    font-size: 1.25rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
    flex-shrink: 0;
}

.titlebar-btn i.ph {
    font-size: 14px;
}

.sidebar-action-item i.ph {
    font-size: 18px;
}

.composer-shell i.ph {
    font-size: 18px;
}

/* ==========================================
   App Layout (sidebar + main)
   ========================================== */

.app-layout {
    display: flex;
    flex-direction: column;
    /* header on top, app-body below */
    height: 100vh;
    overflow: hidden;
}

/* Row below the header: sidebar + content */
.app-body {
    display: flex;
    flex-direction: row;
    flex: 1;
    overflow: hidden;
    min-height: 0;
}

/* ==========================================
   Sidebar
   ========================================== */

.sidebar {
    width: 260px;
    min-width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
    position: relative;
    transition: width 0.25s ease, min-width 0.25s ease;
}

.sidebar.collapsed {
    width: 60px;
    min-width: 60px;
}


.sidebar-inner {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    min-height: 0;
    overflow: hidden;
}

.sidebar-topbar {
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px 0 18px;
    /* Выравнивание по левому краю с иконками ниже (8px + 10px) */
    margin-top: 6px;
    /* Added "air" at the top */
    flex-shrink: 0;
    position: relative;
    border-bottom: 1px solid transparent;
    transition: all 0.2s;
}

.sidebar-logo {
    width: 22px;
    height: 22px;
    border-radius: 5px;
    object-fit: contain;
    transition: opacity 0.2s;
}

/* ==========================================
   Sidebar — GPT-style
   ========================================== */

/* Action rows: Новый чат / Поиск */
.sidebar-actions {
    padding: 12px 8px 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex-shrink: 0;
}

.sidebar-action-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 9px 10px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
    text-align: left;
    transition: background 0.12s;
    -webkit-app-region: no-drag;
}

.sidebar-action-item svg,
.sidebar-action-item i.ph {
    flex-shrink: 0;
    opacity: 0.85;
}

.sidebar-action-item:hover {
    background: var(--bg-hover);
}

.sidebar-action-label {
    white-space: nowrap;
    overflow: hidden;
}

.sidebar.collapsed .sidebar-actions {
    padding: 4px;
}

.sidebar.collapsed .sidebar-action-label {
    display: none;
}

.sidebar.collapsed .sidebar-action-item {
    justify-content: center;
    padding: 10px;
}

/* Search bar */
.sidebar-search-wrap {
    padding: 4px 8px 8px;
    flex-shrink: 0;
}

.sidebar-search-inner {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 7px 10px;
}

.sidebar-search-inner svg,
.sidebar-search-inner i.ph {
    flex-shrink: 0;
    color: var(--text-secondary);
}

.sidebar-search-inner input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    min-width: 0;
}

.sidebar-search-inner input::placeholder {
    color: var(--text-secondary);
}

.search-clear-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    padding: 0;
    transition: color 0.12s;
}

.search-clear-btn:hover {
    color: var(--text-primary);
}

/* Chat List */
.chat-list {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
    padding: 0 8px 12px;
    display: flex;
    flex-direction: column;
}

.chat-list::-webkit-scrollbar {
    width: 5px;
}

.chat-list::-webkit-scrollbar-track {
    background: transparent;
}

.chat-list::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.chat-list::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* Date group label */
.chat-group-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 10px 10px 4px;
    letter-spacing: 0.02em;
    text-transform: none;
    user-select: none;
}

/* Chat item */
.chat-item {
    display: flex;
    align-items: center;
    padding: 7px 10px;
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
    transition: background 0.12s, color 0.12s;
    position: relative;
    min-height: 36px;
}

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

.chat-item.active {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.chat-item-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.3;
}

/* Fade-out mask on right side so text doesn't hard-clip */
.chat-item::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 40px;
    background: linear-gradient(to right, transparent, var(--bg-secondary));
    border-radius: 0 8px 8px 0;
    pointer-events: none;
    transition: opacity 0.12s;
}

.chat-item:hover::after,
.chat-item.active::after {
    background: linear-gradient(to right, transparent, var(--bg-hover));
}

.chat-item-actions {
    display: none;
    gap: 1px;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.chat-item:hover .chat-item-actions {
    display: flex;
}

.chat-item-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 3px 4px;
    border-radius: 5px;
    display: flex;
    align-items: center;
    transition: all 0.12s;
}

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

/* Chat context menu (three-dot popup) */
.chat-context-menu {
    position: fixed;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 6px;
    min-width: 160px;
    z-index: 9999;
    box-shadow: var(--shadow);
    animation: menuFadeIn 0.12s ease-out;
}

.chat-context-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 8px 12px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
    border-radius: 6px;
    text-align: left;
    transition: background 0.12s;
}

.chat-context-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.chat-context-item i.ph {
    font-size: 16px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.chat-context-item.danger {
    color: var(--error);
}

.chat-context-item.danger i.ph {
    color: var(--error);
}

.chat-context-divider {
    height: 1px;
    background: var(--border-light);
    margin: 4px 0;
}

.sidebar.collapsed .chat-list {
    display: none;
}

.sidebar.collapsed .sidebar-search-wrap {
    display: none !important;
}

/* Toggle buttons */
.sidebar-toggle-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 6px;
    transition: all 0.15s;
    outline: none;
    box-shadow: none;
    -webkit-app-region: no-drag;
    flex-shrink: 0;
    z-index: 10;
}

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

/* Collapsed State behavior */
.sidebar.collapsed .sidebar-topbar {
    justify-content: center;
    padding: 0;
}

.sidebar.collapsed .sidebar-logo {
    opacity: 1;
}

.sidebar.collapsed .sidebar-toggle-btn {
    position: absolute;
    top: 5px;
    left: 17px;
    /* (60 - 26) / 2 = 17 */
    opacity: 0;
    pointer-events: none;
}

/* Hover logic when collapsed */
.sidebar.collapsed .sidebar-topbar:hover .sidebar-logo {
    opacity: 0;
}

.sidebar.collapsed .sidebar-topbar:hover .sidebar-toggle-btn {
    opacity: 1;
    pointer-events: auto;
}

/* The "open sidebar" button is obsolete since the sidebar never fully disappears */
.sidebar-open-float {
    display: none !important;
}

/* ==========================================
   Main column
   ========================================== */

.main-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
    position: relative;
}



.app-layout.sidebar-collapsed .sidebar-open-float {
    display: flex;
}

/* ==========================================
   Unified Header (titlebar + logo)
   ========================================== */

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 32px;
    padding: 0 12px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    -webkit-app-region: drag;
    flex-shrink: 0;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 10px;
    -webkit-app-region: drag;
}

.header-logo {
    width: 18px;
    height: 18px;
    border-radius: 6px;
    object-fit: contain;
}

.login-logo {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    object-fit: contain;
    margin-bottom: 16px;
}

.chat-header-title {
    font-size: 14px;
    font-weight: 600;
}

.chat-header-status {
    font-size: 10px;
    color: var(--success);
}

.titlebar-controls {
    display: flex;
    -webkit-app-region: no-drag;
}

.titlebar-btn {
    width: 38px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 11px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

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

.titlebar-btn.btn-close:hover {
    background: var(--error);
    color: white;
}

/* --- Chat Options Menu --- */
.chat-options-menu {
    position: absolute;
    top: 16px;
    right: 20px;
    z-index: 100;
}

.chat-options-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}

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

.titlebar-menu-dropdown {
    position: absolute;
    top: 42px;
    right: 0;
    width: 160px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 6px;
    box-shadow: var(--shadow);
    display: none;
    flex-direction: column;
    z-index: 1000;
}

.titlebar-menu-dropdown.show {
    display: flex;
    animation: menuFadeIn 0.15s ease-out;
}

@keyframes menuFadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    background: transparent;
    border: none;
    width: 100%;
    padding: 8px 12px;
    text-align: left;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    font-weight: 400;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background 0.12s;
    border-radius: 6px;
}

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

.dropdown-item.danger {
    color: var(--error);
}

.dropdown-item.danger i.ph {
    color: var(--error);
}

.dropdown-item i.ph {
    font-size: 16px;
    color: var(--text-secondary);
}

/* ==========================================
   Screens
   ========================================== */

.screen {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

/* ==========================================
   Login Screen
   ========================================== */

#login-screen {
    justify-content: center;
    align-items: center;
    background: var(--bg-primary);
}

.login-card {
    text-align: center;
    padding: 48px 40px;
    max-width: 400px;
    width: 90%;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.login-icon-placeholder {
    width: 64px;
    height: 64px;
    background: var(--accent-glow);
    color: var(--accent);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.login-icon-placeholder svg {
    width: 32px;
    height: 32px;
}

.login-card h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 28px;
    line-height: 1.5;
}

.input-group {
    margin-bottom: 16px;
}

.input-group input {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.input-group input::placeholder {
    color: var(--text-muted);
}

.btn-primary {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 80%, var(--text-primary)));
    border: none;
    border-radius: var(--radius-sm);
    color: var(--bg-secondary);
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px var(--accent-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.login-hint {
    margin-top: 20px;
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.5;
}

.login-error {
    margin-top: 12px;
    color: var(--error);
    font-size: 13px;
    min-height: 18px;
}

/* Security hint under token input */
.input-security-hint {
    margin: 8px 0 0;
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.4;
    opacity: 0.7;
}

/* Consent checkbox */
.consent-group {
    margin: 16px 0;
    text-align: left;
}

.consent-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.consent-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    min-width: 18px;
    margin-top: 2px;
    accent-color: var(--accent);
    cursor: pointer;
}

.consent-label a {
    color: var(--accent);
    text-decoration: none;
}

.consent-label a:hover {
    text-decoration: underline;
}

/* Privacy Policy Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.18);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    max-width: 520px;
    width: 90%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 20px 24px;
    overflow-y: auto;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.modal-body p {
    margin: 0 0 12px;
}

.modal-body p b {
    color: var(--text-primary);
}

.modal-footer {
    padding: 16px 24px 20px;
    border-top: 1px solid var(--border);
    text-align: right;
}

.modal-footer .btn-primary {
    width: auto;
    padding: 10px 28px;
    font-size: 14px;
}

.modal-overlay-confirm {
    z-index: 10010;
    background: rgba(0, 0, 0, 0.18);
    backdrop-filter: blur(8px);
}

.modal-card-confirm {
    max-width: 400px;
    width: min(92vw, 400px);
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    box-shadow: var(--shadow-lg);
    padding: 24px;
}

.modal-card-confirm .modal-header {
    padding: 0 0 12px;
    border-bottom: none;
}

.modal-card-confirm .modal-header h3 {
    font-size: 19px;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
}

.modal-card-confirm .modal-body {
    padding: 0 0 24px;
    font-size: 14.5px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.modal-card-confirm .modal-body p {
    margin: 0;
}

.confirm-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 0;
}

.confirm-btn {
    flex: 1;
    min-width: 100px;
    padding: 11px 16px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.confirm-btn.danger {
    background: var(--error);
    border-color: var(--error);
    color: var(--bg-secondary);
}

.confirm-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.confirm-btn.danger:hover {
    background: color-mix(in srgb, var(--error) 88%, var(--text-primary));
    border-color: color-mix(in srgb, var(--error) 88%, var(--text-primary));
    color: var(--bg-secondary);
    box-shadow: var(--shadow-md);
}

/* File upload consent toast (Gemini) */
.file-consent-toast {
    position: fixed;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 24px;
    z-index: 10020;
    max-width: 440px;
    width: min(92vw, 440px);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    gap: 16px;
    animation: slideUp 0.3s ease;
}

.file-consent-toast p {
    margin: 0;
    font-size: 14.5px;
    line-height: 1.6;
    color: var(--text-primary);
}

.toast-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.btn-toast {
    flex: 1;
    min-width: 100px;
    padding: 10px 16px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-toast-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.btn-toast:hover {
    background: white;
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
}

.btn-toast-primary:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
    color: white;
    box-shadow: 0 4px 12px var(--accent-glow);
}

@keyframes slideUp {
    from {
        transform: translate(-50%, 20px);
        opacity: 0;
    }

    to {
        transform: translate(-50%, 0);
        opacity: 1;
    }
}

.file-consent-toast p {
    margin: 0;
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-secondary);
}

.file-consent-toast .toast-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.file-consent-toast .btn-toast {
    padding: 6px 16px;
    border-radius: 8px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--border);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transition: all 0.15s;
}

.file-consent-toast .btn-toast:hover {
    background: var(--bg-secondary);
}

.file-consent-toast .btn-toast-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.file-consent-toast .btn-toast-primary:hover {
    opacity: 0.9;
}

/* ==========================================
   Messages Container
   ========================================== */

.messages-container {
    flex: 1;
    overflow-y: auto;
    scroll-behavior: smooth;
    user-select: text;
    -webkit-user-select: text;
}

.messages-container::-webkit-scrollbar {
    width: 6px;
}

.messages-container::-webkit-scrollbar-track {
    background: transparent;
}

.messages-container::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.messages-container::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* ==========================================
   Chat Timeline (Right sidebar navigation)
   ========================================== */

.chat-timeline {
    position: absolute;
    top: 0;
    right: 12px;
    width: 24px;
    height: 100%;
    z-index: 40;
    pointer-events: none;
    /* Let empty space pass clicks */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-end;
    gap: 10px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* Shown via JS when enough messages and window width >= 1024px */
.chat-timeline.visible {
    opacity: 1;
}

/* Static Top & Bottom Navigation Arrows */
.timeline-nav-arrow {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    cursor: default;
    opacity: 0.3;
    transition: color 0.2s, opacity 0.2s;
    margin: 4px 0;
    /* Adding slight margin to detach from very top/bottom */
    pointer-events: auto;
    /* Required because parent has pointer-events: none */
}

.timeline-nav-arrow.active {
    opacity: 1;
    cursor: pointer;
}

.timeline-nav-arrow.active:hover {
    color: var(--text-secondary);
}

/* Inner container for markers */
.timeline-markers-container {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-end;
    gap: 12px;
    max-height: 213px;
    /* Exact height for 15 markers (3px height + 12px gap) */
    overflow-y: scroll;
    scroll-behavior: smooth;
    width: 32px;
    pointer-events: auto;
    -ms-overflow-style: none;
    /* IE and Edge */
    scrollbar-width: none;
    /* Firefox */
}

.timeline-markers-container::-webkit-scrollbar {
    display: none;
    /* Chrome, Safari and Opera */
}

.timeline-marker {
    position: relative;
    height: 3px;
    flex-shrink: 0;
    background: var(--text-muted);
    border-radius: 1.5px;
    cursor: pointer;
    pointer-events: auto;
    opacity: 0.5;
    transition: width 0.2s ease, background 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
    transform-origin: right center;
}

/* Alternating lengths (Grok-style) */
.timeline-marker.even {
    width: 10px;
}

.timeline-marker.odd {
    width: 16px;
}

.timeline-marker:hover,
.timeline-marker.hovered {
    width: 28px;
    opacity: 1;
    background: var(--accent);
    transform: scale(1.15);
}

/* Tooltip on hover */
.timeline-tooltip {
    position: absolute;
    right: 48px;
    /* Left of the timeline, further out to "unstick" */
    background: var(--code-bg);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 13px;
    line-height: 1.4;
    width: max-content;
    max-width: 300px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    z-index: 50;
    pointer-events: none;
    opacity: 0;
    transform: translateY(-50%) translateX(10px);
    transition: opacity 0.15s ease-out, transform 0.15s ease-out;
    word-break: break-word;
}

.timeline-tooltip.visible {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

.timeline-tooltip .tt-time {
    display: block;
    margin-top: 6px;
    font-size: 11px;
    color: var(--accent);
    font-weight: 600;
}

.ui-tooltip {
    position: fixed;
    left: 0;
    top: 0;
    max-width: min(360px, calc(100vw - 16px));
    padding: 7px 10px;
    border-radius: 10px;
    /* intentional dark tooltip for light theme contrast — do not normalize */
    background: #2a2e31;
    color: #e9edf1;
    font-size: 12px;
    line-height: 1.35;
    white-space: normal;
    word-break: break-word;
    box-shadow: var(--shadow-md);
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(2px);
    transition: opacity 0.12s ease, transform 0.12s ease, visibility 0.12s ease;
    z-index: 10020;
}

.ui-tooltip.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Flash highlight animation for targeted message */
.message.highlighted {
    animation: highlightPulse 2.5s ease-out forwards;
}

@keyframes highlightPulse {
    0% {
        background: rgba(108, 92, 231, 0.15);
        border-left: 3px solid var(--accent);
    }

    100% {
        background: transparent;
        border-left: 3px solid transparent;
    }
}


/* ==========================================
   Welcome Screen
   ========================================== */

.welcome-message {
    text-align: center;
    padding: 100px 20px 60px;
    max-width: 800px;
    margin: 0 auto;
}

.welcome-icon-placeholder {
    width: 80px;
    height: 80px;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 32px;
    animation: float 3s ease-in-out infinite;
}

.welcome-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 18px;
}

.welcome-icon-placeholder svg {
    width: 40px;
    height: 40px;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

.welcome-message h3 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.welcome-message p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto 48px;
}

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

.chip {
    padding: 12px 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 10px;
}

.chip svg {
    width: 18px;
    height: 18px;
    color: var(--accent);
}

.chip:hover {
    background: var(--bg-secondary);
    border-color: var(--border);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    /* Светлая мягкая тень */
}

/* ==========================================
   Message Layout — ChatGPT Style
   ========================================== */

.message {
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- User Message: full-width card container --- */
.message.user {
    display: flex;
    justify-content: center;
    width: 100%;
    padding: 12px 24px;
}

.message.user .message-bubble {
    width: 100%;
    padding: 12px 18px;
    background: var(--bg-user);
    color: var(--text-user);
    border-radius: var(--radius);
    border: 1px solid var(--border-user);
    font-size: 15px;
    line-height: 1.55;
    word-break: break-word;
    box-shadow: var(--shadow-sm);
}

/* --- File attachments in user messages --- */
.msg-attachments {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.msg-attachments+.msg-text {
    margin-top: 8px;
}

.msg-attach-tile {
    position: relative;
    width: 52px;
    height: 52px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-secondary);
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.msg-attach-tile.image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.msg-attach-tile i.ph {
    font-size: 20px;
    color: var(--text-secondary);
    line-height: 1;
}

.msg-attach-tile.doc {
    color: var(--text-secondary);
}

.msg-attach-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.msg-attach-icon i.ph {
    font-size: 20px;
    line-height: 1;
}

/* --- Message Action Buttons (copy / edit) --- */
.message-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    max-width: 700px;
    position: relative;
}

.message-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    pointer-events: none;
    margin-top: -12px;
    /* Overlap button slightly or place it at the top right */
    margin-right: -12px;
    transition: opacity 0.15s ease;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 3px 4px;
    box-shadow: var(--shadow-sm);
    align-self: flex-end;
    position: absolute;
    top: 0;
    right: 0;
}

.message.user .message-bubble:hover~.message-actions,
.message.user .message-actions:hover {
    opacity: 1;
    pointer-events: auto;
}

.msg-action-btn {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

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

/* --- Branch Carousel (< 1/2 >) --- */
.branch-carousel {
    display: flex;
    align-items: center;
    gap: 2px;
    align-self: flex-end;
    margin-top: 6px;
    user-select: none;
}

.carousel-arrow {
    background: none;
    border: none;
    padding: 2px 6px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    line-height: 1;
}

.carousel-arrow:hover:not(:disabled) {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.carousel-arrow:disabled {
    opacity: 0.25;
    cursor: default;
}

.carousel-counter {
    font-size: 12px;
    color: var(--text-muted);
    min-width: 28px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.inline-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
    margin-right: 12px;
    /* Чуть увеличим отступ для 22px */
    width: 22px;
    height: 22px;
    color: var(--accent);
    flex-shrink: 0;
    position: relative;
    top: 0.5px;
    /* Юстировка под Geist Sans при 22px */
}

.inline-icon i.ph {
    font-size: 22px;
    color: var(--accent) !important;
    line-height: 1;
    display: block;
}

.inline-icon svg {
    width: 100%;
    height: 100%;
    stroke-width: 2.5;
}

/* --- Inline Edit Area --- */
.edit-area {
    width: 100%;
    max-width: 100%;
}

.message-group:has(.edit-area) {
    max-width: 700px;
}

.message.user.editing {
    margin: 0 auto;
    justify-content: flex-start;
    padding: 8px 24px;
}

.message.user.editing .message-group {
    max-width: 700px;
    width: min(100%, 700px);
    margin: 0 auto;
}

.edit-textarea {
    width: 100%;
    min-height: 40px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 14px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    line-height: 1.5;
    resize: none;
    outline: none;
    overflow: hidden;
}

.edit-textarea:focus {
    border-color: var(--border);
    box-shadow: var(--shadow-md);
}

.edit-buttons {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 8px;
}

.edit-btn {
    padding: 6px 16px;
    border-radius: 8px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--border);
    transition: all 0.15s;
}

.edit-btn.cancel {
    background: transparent;
    color: var(--text-secondary);
}

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

.edit-btn.save {
    background: var(--accent);
    color: var(--bg-secondary);
    border-color: var(--accent);
}

.edit-btn.save:hover {
    opacity: 0.85;
}

/* --- Assistant Message: full width text --- */
.message.assistant {
    padding: 14px 16px;
    /* Уменьшено с 24px для приближения иконок к краю окна */
    background: transparent;
}

.message.assistant .message-content {
    max-width: 660px;
    margin: 0 auto;
    position: relative;
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
}

/* Hide old assistant icon */
.message.assistant .assistant-icon {
    display: none;
}

.message.assistant .message-text {
    font-size: 15px;
    line-height: 1.6;
    font-weight: 400;
    color: var(--text-primary);
    word-break: break-word;
    overflow-wrap: anywhere;
    text-wrap: pretty;
    padding-left: 36px;
}

.message.assistant .message-text>p {
    margin-top: 0;
    margin-bottom: 14px;
}

.message.assistant .message-text>ul,
.message.assistant .message-text>ol {
    margin-top: 14px;
    margin-bottom: 14px;
    padding-left: 0;
    list-style: none;
}

.message.assistant .message-text>ul>li,
.message.assistant .message-text>ol>li {
    margin-bottom: 8px;
    padding-left: 0;
}

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

.message.assistant .message-text br+br {
    display: block;
    margin-top: 0.2em;
}

/* --- Типографическая иерархия ответов --- */

/* Headings — default: aligned with body text (padding-left handles base offset) */
.message.assistant .message-text>h1,
.message.assistant .message-text>h2,
.message.assistant .message-text>h3 {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-left: 0;
    padding-left: 0;
}

/* Headings with icon — pull left so icon sits at padding edge, text aligns with body */
.message.assistant .message-text>h1:has(i),
.message.assistant .message-text>h2:has(i),
.message.assistant .message-text>h3:has(i) {
    margin-left: -36px;
}

/* H1 — главный заголовок ответа */
.message.assistant .message-text>h1 {
    font-size: 19px;
    font-weight: 700;
    line-height: 1.25;
    margin-top: 0;
    margin-bottom: 12px;
    padding-bottom: 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

/* H2 — подзаголовок секции с разделителем */
.message.assistant .message-text>h2 {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.3;
    margin-top: 12px;
    margin-bottom: 4px;
    padding-top: 0;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    letter-spacing: -0.01em;
}

/* Первый H2 в сообщении — без разделителя */
.message.assistant .message-text>h1+h2,
.message.assistant .message-text>h2:first-of-type {
    margin-top: 8px;
    padding-top: 0;
    border-top: none;
}

/* H3 — метка блока / мини-заголовок */
.message.assistant .message-text>h3 {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.3;
    margin-top: 12px;
    margin-bottom: 4px;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.message.assistant .message-text h1 i,
.message.assistant .message-text h2 i,
.message.assistant .message-text h3 i {
    color: var(--accent);
    font-size: 22px;
    width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.message.assistant .message-text>h3:first-child,
.message.assistant .message-text>h1+h3,
.message.assistant .message-text>h2+h3 {
    margin-top: 0;
}

/* Первый элемент после заголовка — без верхнего отступа */
.message.assistant .message-text>h1+p,
.message.assistant .message-text>h2+p,
.message.assistant .message-text>h3+p,
.message.assistant .message-text>h1+ol,
.message.assistant .message-text>h2+ol,
.message.assistant .message-text>h1+ul,
.message.assistant .message-text>h2+ul,
.message.assistant .message-text>h3+ul,
.message.assistant .message-text>h3+ol {
    margin-top: 0;
}

/* Dash-items: строки с "— " — hanging indent, согласован с li.numbered (26px) */
.message.assistant .message-text .dash-item {
    display: block;
    position: relative;
    padding-left: 14px;
    /* Компактный отступ для маркера */
    margin-bottom: 4px;
    /* Теперь маркер (bullet) стоит ровно на оси 38px */
}

.message.assistant .message-text .dash-item::before {
    content: '\2022';
    position: absolute;
    left: 4px;
    /* Оставляем 4px, так как padding-left теперь 18px */
    color: var(--accent);
    font-weight: bold;
}

/* Вывод/пояснение (курсив): чуть меньше, приглушённый */
.message.assistant .message-text>i,
.message.assistant .message-text i {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
}

/* Рекомендация (жирный с →): акцентный */
.message.assistant .message-text>b,
.message.assistant .message-text b {
    font-weight: 600;
}

.message.assistant .message-text>table,
.message.assistant .message-text>.table-container,
.message.assistant .message-text>.code-block {
    margin: 10px 0 12px;
}

.message.assistant .message-text .journal-answer {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.message.assistant .message-text .journal-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-light);
}

.message.assistant .message-text .journal-head-icon {
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    color: var(--accent-light);
}

.message.assistant .message-text .journal-head-icon .lucide-icon {
    width: 16px;
    height: 16px;
}

.message.assistant .message-text .journal-head-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.message.assistant .message-text .journal-head-title {
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-light);
    font-weight: 700;
}

.message.assistant .message-text .journal-head-subtitle {
    font-size: 12px;
    color: var(--text-muted);
}

.message.assistant .message-text .journal-lead {
    background: color-mix(in srgb, var(--warning) 12%, var(--bg-secondary));
    border: 1px solid color-mix(in srgb, var(--warning) 28%, var(--border));
    border-radius: 10px;
    padding: 12px 14px;
}

.message.assistant .message-text .journal-lead p {
    margin: 0;
    font-weight: 500;
    color: var(--text-primary);
}

.message.assistant .message-text .journal-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.message.assistant .message-text .journal-card {
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-tertiary);
    padding: 12px 14px;
}

.message.assistant .message-text .journal-card-title {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.message.assistant .message-text .journal-card-title::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--text-muted) 22%, transparent);
}

.message.assistant .message-text .journal-card-body p {
    margin: 0 0 8px;
}

.message.assistant .message-text .journal-card-body p:last-child {
    margin-bottom: 0;
}

.message.assistant .message-text .journal-lead-intro,
.message.assistant .message-text .journal-card-intro {
    margin: 0 0 10px;
    font-weight: 600;
    color: var(--text-primary);
}

.message.assistant .message-text .journal-checklist {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 8px;
}

.message.assistant .message-text .journal-check-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 9px 11px;
    border-radius: 9px;
    border: 1px solid var(--border);
    background: var(--bg-tertiary);
}

.message.assistant .message-text .journal-check-item.required {
    border-color: color-mix(in srgb, var(--warning) 42%, var(--border));
    background: color-mix(in srgb, var(--warning) 14%, var(--bg-secondary));
}

.message.assistant .message-text .journal-check-item.optional {
    border-style: dashed;
    opacity: 0.92;
}

.message.assistant .message-text .journal-check-item-text {
    min-width: 0;
}

.message.assistant .message-text .field-tag {
    flex-shrink: 0;
    font-size: 11px;
    line-height: 1;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    border-radius: 999px;
    padding: 4px 7px;
    border: 1px solid transparent;
}

.message.assistant .message-text .field-tag.required {
    color: var(--text-primary);
    background: color-mix(in srgb, var(--warning) 34%, var(--bg-secondary));
    border-color: color-mix(in srgb, var(--warning) 45%, var(--border));
}

.message.assistant .message-text .field-tag.optional {
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border-color: var(--border-light);
}

.message.assistant .message-text .journal-card.tone-summary {
    border-color: color-mix(in srgb, var(--success) 34%, var(--border));
    background: color-mix(in srgb, var(--success) 10%, var(--bg-secondary));
}

.message.assistant .message-text .journal-card.tone-summary .journal-card-title {
    color: var(--success);
}

.message.assistant .message-text .journal-card.tone-summary .journal-card-title::before {
    background: var(--success);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--success) 20%, transparent);
}

.message.assistant .message-text .journal-card.tone-action {
    border-color: color-mix(in srgb, var(--warning) 38%, var(--border));
    background: color-mix(in srgb, var(--warning) 12%, var(--bg-secondary));
}

.message.assistant .message-text .journal-card.tone-action .journal-card-title {
    color: var(--warning);
}

.message.assistant .message-text .journal-card.tone-action .journal-card-title::before {
    background: var(--warning);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--warning) 22%, transparent);
}

.message.assistant .message-text .journal-card.tone-risk,
.message.assistant .message-text .journal-card.tone-warning {
    border-color: color-mix(in srgb, var(--error) 40%, var(--border));
    background: color-mix(in srgb, var(--error) 10%, var(--bg-secondary));
}

.message.assistant .message-text .journal-card.tone-risk .journal-card-title,
.message.assistant .message-text .journal-card.tone-warning .journal-card-title {
    color: var(--error);
}

.message.assistant .message-text .journal-card.tone-risk .journal-card-title::before,
.message.assistant .message-text .journal-card.tone-warning .journal-card-title::before {
    background: var(--error);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--error) 20%, transparent);
}

/* --- Rich formatting inside assistant messages --- */

.message.assistant .message-text b,
.message.assistant .message-text strong {
    font-weight: 600;
    color: var(--text-primary);
}

.message.assistant .message-text i,
.message.assistant .message-text em {
    color: var(--text-secondary);
}

.message.assistant .message-text mark {
    background-color: color-mix(in srgb, var(--warning) 34%, var(--bg-secondary));
    /* Soft yellow highlight */
    color: var(--text-primary);
    /* Dark text to ensure readability */
    padding: 0 4px;
    border-radius: 4px;
    font-weight: 500;
}

/* h3 стили определены выше в блоке типографической иерархии */

.message.assistant .message-text .supplies-list-card .supplies-subtitle {
    margin: 0 0 10px calc(1.1em + 6px);
    font-size: 15px;
    line-height: 1.4;
    color: var(--text-primary);
}

.message.assistant .message-text li {
    margin-bottom: 6px;
    padding-left: 16px;
    position: relative;
    list-style: none;
}

.message.assistant .message-text ul>li::before {
    content: '\2022';
    position: absolute;
    left: 2px;
    color: var(--accent);
    font-weight: bold;
}

.message.assistant .message-text li .li-num {
    color: var(--accent);
    font-weight: 600;
    margin-right: 4px;
}

/* --- File Attachments --- */
.message.assistant .message-text .file-attachment {
    display: flex;
    align-items: center;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 16px;
    gap: 14px;
    box-shadow: var(--shadow-sm);
}

.message.assistant .message-text .file-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.message.assistant .message-text .file-icon svg {
    width: 22px;
    height: 22px;
}

.message.assistant .message-text .file-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.message.assistant .message-text .file-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.message.assistant .message-text .file-meta {
    color: var(--text-muted);
    font-size: 13px;
}

/* Duplicate removed, logic unified in the primary .inline-icon block above */

.message.assistant .message-text .file-download {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    opacity: 0.5;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s;
}

.message.assistant .message-text .file-download svg {
    width: 18px;
    height: 18px;
}

.message.assistant .message-text .file-download:hover {
    opacity: 1;
    background: var(--bg-tertiary);
}

/* Code blocks */
.message.assistant .message-text .code-block {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin: 12px 0;
    overflow: hidden;
}

.message.assistant .message-text .code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 14px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-secondary);
}

.message.assistant .message-text .code-header .copy-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 4px;
    transition: all 0.15s;
    font-family: inherit;
}

.message.assistant .message-text .code-header .copy-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.message.assistant .message-text .code-content {
    padding: 14px 16px;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    overflow-x: auto;
    color: var(--accent-light);
}

/* Inline code */
.message.assistant .message-text code:not(.code-content code) {
    background: var(--code-bg);
    border: 1px solid var(--border);
    padding: 2px 7px;
    border-radius: 5px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--accent-light);
}

/* Specific styling for numbered items */
.message.assistant .message-text li.numbered {
    list-style: none;
    margin-left: 0;
    position: relative;
    padding-left: 26px;
    display: block;
    margin-bottom: 4px;
}

.message.assistant .message-text .li-num {
    color: var(--accent);
    font-weight: 600;
    position: absolute;
    left: 0;
    top: 0;
    width: 22px;
    text-align: right;
}

/* Tables */
.message.assistant .message-text table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 16px 0;
    font-size: 14px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-primary);
}

.message.assistant .message-text thead th {
    background: var(--bg-secondary);
    padding: 8px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}

.message.assistant .message-text tbody td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-primary);
    line-height: 1.5;
}

.message.assistant .message-text tbody tr:hover td {
    background: var(--bg-tertiary);
}

/* Numbered sections (like ChatGPT) */
.message.assistant .message-text .section-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 6px;
    background: var(--accent);
    color: white;
    font-size: 13px;
    font-weight: 700;
    margin-right: 8px;
    vertical-align: middle;
}

/* Horizontal rule */
.message.assistant .message-text hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 16px 0;
}

/* ==========================================
   Confirm Buttons
   ========================================== */

.confirm-buttons {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.btn-confirm {
    padding: 8px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.1s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    line-height: 1;
    min-width: 140px;
}

.btn-confirm.yes {
    background: var(--success);
    color: var(--bg-primary);
    border: 1px solid var(--success);
}

.btn-confirm.yes:hover {
    background: color-mix(in srgb, var(--success) 86%, var(--text-primary));
    border-color: color-mix(in srgb, var(--success) 86%, var(--text-primary));
    transform: translateY(-0.5px);
}

.btn-confirm.no {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-confirm.no:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

/* ==========================================
   Typing Indicator
   ========================================== */

.typing-indicator {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 0;
}

.typing-indicator .dot {
    width: 7px;
    height: 7px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

/* ==========================================
   Accordion Cards (Product Card / Supply Plan)
   ========================================== */
.product-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 6px;
    overflow: hidden;
    transition: all 0.2s;
}

.product-card:first-of-type {
    margin-top: 8px;
}

.product-card:last-of-type {
    margin-bottom: 20px;
}

.product-card summary {
    font-family: var(--font-main);
    font-size: 15px;
    font-weight: 600;
    line-height: 1.6;
    letter-spacing: -0.01em;
    padding: 16px;
    cursor: pointer;
    user-select: none;
    outline: none;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    transition: background 0.2s;
}

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

.product-card summary::marker,
.product-card summary::-webkit-details-marker {
    color: var(--text-muted);
    margin-right: 8px;
}

.product-card[open] summary {
    border-bottom: 1px solid var(--border-light);
    /* Removed margin-bottom here to keep accordion content grouped tightly */
}

.product-card .card-content {
    padding: 16px;
    /* Added uniform top padding */
    overflow-x: auto;
}

.product-card .card-content table {
    margin: 0;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    box-shadow: none;
}

/* Убираем лишние отступы внутри аккордеонов */
.product-card .card-content p {
    margin: 0;
}

.product-card .card-content br {
    display: none;
}


/* Nested accordion for products inside folder cards */
.product-card .nested-product {
    margin: 8px 0;
    background: var(--bg-tertiary);
    border-color: var(--border-light);
}

.product-card .nested-product:last-of-type {
    margin-bottom: 0;
}

.product-card .nested-product summary {
    padding: 12px 14px;
    font-size: 14px;
}

.product-card .nested-product .card-content {
    padding: 12px 14px;
}

.product-card .nested-product .card-content b {
    color: var(--text-primary);
    margin-right: 6px;
}


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

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

@keyframes bounce {

    0%,
    60%,
    100% {
        transform: translateY(0);
    }

    30% {
        transform: translateY(-6px);
    }
}

/* ==========================================
   Supply Success Card
   ========================================== */

.supply-success-card {
    font-family: var(--font-main);
    font-size: 15px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 8px;
    width: 100%;
    box-sizing: border-box;
}

.ssc-header {
    font-weight: 600;
    color: var(--success);
    margin-bottom: 8px;
    font-size: 15px;
    letter-spacing: -0.01em;
}

.ssc-supplier {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.ssc-th {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 4px 16px 10px 0;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.ssc-th:not(:last-child),
.ssc-label:not(:last-child),
.ssc-value:not(:last-child) {
    padding-right: 24px;
}


.ssc-table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
    border: none;
    background: transparent;
    box-shadow: none;
}

.ssc-table tr {
    border: none;
}

.ssc-table tr:not(:last-child) td {
    border-bottom: 1px solid var(--border-light);
}

.ssc-label {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 400;
    padding: 10px 16px 10px 0;
    white-space: nowrap;
}

.ssc-value {
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 16px 10px 0;
}

.ssc-warning {
    margin-top: 10px;
    font-size: 13px;
    color: var(--warning);
    padding-top: 8px;
    border-top: 1px solid var(--border-light);
}

/* ==========================================
   System Message
   ========================================== */

.system-message {
    text-align: center;
    margin: 12px 0;
}

.system-message span {
    display: inline-block;
    padding: 5px 14px;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* ==========================================
   Input Area
   ========================================== */

.input-area {
    padding: 12px 24px 18px;
    background: var(--bg-primary);
    padding: 20px 24px 30px;
    background: transparent;
    position: relative;
    z-index: 50;
}

.composer-shell {
    max-width: 680px;
    margin: 0 auto;
    position: relative;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 0;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
}

.input-wrapper {
    display: flex;
    align-items: center;
    padding: 10px 14px;
}

.composer-shell.scrolled-input .input-wrapper {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    column-gap: 10px;
    row-gap: 8px;
    align-items: end;
    padding-right: 8px;
}

.composer-shell:focus-within {
    border-color: var(--border);
    /* Едва заметный темно-серый бордер */
    background: var(--bg-input);
    box-shadow: var(--shadow-lg);
    /* Усиливаем только обычную серую тень */
}

#message-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 15px;
    line-height: 1.5;
    padding: 8px 4px;
    resize: none;
    outline: none;
    max-height: 200px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: transparent transparent;
}

#message-input::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.composer-shell.scrolled-input #message-input {
    grid-column: 1 / 3;
    grid-row: 1;
    padding-right: 0;
}

.composer-shell.scrolled-input .attach-btn {
    grid-column: 1;
    grid-row: 2;
    justify-self: start;
    margin-right: 0;
}

.composer-shell.scrolled-input .send-btn {
    grid-column: 2;
    grid-row: 2;
    justify-self: end;
}

#message-input:hover,
#message-input:focus {
    scrollbar-color: color-mix(in srgb, var(--text-muted) 46%, transparent) transparent;
}

#message-input::-webkit-scrollbar {
    width: 8px;
    background: transparent;
}

#message-input::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 999px;
}

#message-input::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 999px;
    border: 1px solid transparent;
}

#message-input:hover::-webkit-scrollbar-thumb,
#message-input:focus::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--text-muted) 46%, transparent);
    border-color: color-mix(in srgb, var(--bg-primary) 58%, transparent);
}

#message-input:hover::-webkit-scrollbar-thumb:hover,
#message-input:focus::-webkit-scrollbar-thumb:hover {
    background: color-mix(in srgb, var(--text-secondary) 62%, transparent);
}

#message-input::-webkit-scrollbar-button {
    display: none;
    width: 0;
    height: 0;
}

/* ── Кнопка прикрепления файла ── */
.attach-btn {
    width: 34px;
    height: 34px;
    border: 1px solid color-mix(in srgb, var(--border) 78%, transparent);
    background: color-mix(in srgb, var(--bg-secondary) 88%, transparent);
    color: var(--text-muted);
    border-radius: 999px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: color 0.2s ease, background 0.2s ease;
    margin-right: 8px;
    margin-bottom: 0;
    line-height: 0;
}

.attach-btn:hover {
    background: var(--bg-hover);
    border-color: color-mix(in srgb, var(--text-muted) 45%, transparent);
    color: var(--text-primary);
}

.attach-btn svg,
.attach-btn i.ph {
    font-size: 11px;
    display: block;
    pointer-events: none;
}

/* ── Полоса предпросмотра файла ── */
.file-preview-bar {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 6px;
    padding: 8px 12px 8px;
    margin-bottom: 0;
    box-sizing: border-box;
    width: 100%;
}

.file-preview-list {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 8px;
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 2px;
    scrollbar-width: none;
    scrollbar-color: transparent transparent;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
}

.file-preview-list::-webkit-scrollbar {
    height: 8px;
    background: transparent;
}

.file-preview-list::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 999px;
}

.file-preview-list::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 999px;
    border: 1px solid transparent;
}

.file-preview-list::-webkit-scrollbar-thumb:hover {
    background: transparent;
}

.file-preview-list.scrollbar-visible {
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--text-muted) 45%, transparent) transparent;
}

.file-preview-list.scrollbar-visible::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--text-muted) 45%, transparent);
    border: 1px solid color-mix(in srgb, var(--bg-primary) 55%, transparent);
}

.file-preview-list.scrollbar-visible::-webkit-scrollbar-thumb:hover {
    background: color-mix(in srgb, var(--text-secondary) 60%, transparent);
}

.file-preview-list::-webkit-scrollbar-button {
    display: none;
    width: 0;
    height: 0;
}

.file-preview-item {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.file-preview-item.tile {
    position: relative;
    height: 52px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    overflow: hidden;
}

.file-preview-item.tile.image {
    width: 52px;
}

.file-preview-item.tile.doc {
    gap: 8px;
    min-width: 240px;
    max-width: 360px;
    padding: 0 34px 0 10px;
    font-size: 13px;
}

.file-preview-doc-text {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
    justify-content: center;
}

.file-preview-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    background: var(--bg-primary);
    /* Светлый фон для предотвращения пустых белых блоков */
}

.file-preview-chip-icon {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.file-preview-chip-icon svg,
.file-preview-chip-icon i.ph {
    width: 16px;
    height: 16px;
    font-size: 16px;
    display: block;
}

.file-preview-chip-name {
    max-width: 260px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.15;
    color: var(--text-primary);
}

.file-preview-doc-meta {
    font-size: 11px;
    line-height: 1;
    letter-spacing: 0.04em;
    color: var(--text-muted);
}

.file-preview-chip-remove.tile {
    position: absolute;
    top: 3px;
    right: 3px;
    width: 18px;
    height: 18px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--bg-primary) 88%, transparent);
    border: 1px solid var(--border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--bg-secondary);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    z-index: 2;
}

.file-preview-chip-remove:hover {
    color: var(--bg-secondary);
    border-color: color-mix(in srgb, var(--bg-secondary) 26%, transparent);
    background: color-mix(in srgb, var(--error) 30%, transparent);
}

@media (hover: hover) and (pointer: fine) {
    .file-preview-chip-remove.tile {
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.16s ease;
    }

    .file-preview-item:hover .file-preview-chip-remove.tile {
        opacity: 1;
        pointer-events: auto;
    }
}

/* ── Drag-over подсветка ── */
.composer-shell.drag-over {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent) !important;
}

.send-btn {
    width: 34px;
    height: 34px;
    border: 1px solid transparent;
    background: var(--accent);
    color: var(--bg-secondary);
    border-radius: 999px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    margin-left: 0;
    margin-bottom: 0;
    line-height: 0;
}

.send-btn svg,
.send-btn i.ph {
    width: 18px;
    height: 18px;
    font-size: 18px;
    stroke-width: 2.2;
    display: block;
    pointer-events: none;
}

.send-btn:hover:not(:disabled) {
    background: var(--accent-light);
    color: var(--bg-secondary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.send-btn:active:not(:disabled) {
    transform: scale(0.96);
}

.send-btn:disabled {
    opacity: 0.3;
    cursor: default;
}

.send-btn.stop-mode {
    background: var(--bg-primary);
    border-color: color-mix(in srgb, var(--border) 50%, transparent);
    color: var(--error);
    opacity: 1;
    cursor: pointer;
    animation: none;
}

.send-btn.stop-mode:hover {
    background: var(--bg-secondary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

@keyframes pulse-stop {

    0%,
    100% {
        box-shadow: 0 0 0 0 color-mix(in srgb, var(--error) 40%, transparent);
    }

    50% {
        box-shadow: 0 0 0 6px color-mix(in srgb, var(--error) 0%, transparent);
    }
}

/* ==========================================
   Warning Icon & States
   ========================================== */

.warning-icon {
    color: var(--warning);
    font-style: normal;
    font-size: 1.1em;
    vertical-align: middle;
    margin: 0 4px 0 8px;
}

.danger-icon {
    color: var(--error);
}

.success-icon {
    color: var(--success);
    font-size: 1.1em;
}

/* ==========================================
   Plain Text Rhythm (assistant-only, no cards)
   ========================================== */
.message.assistant.assistant-plain .message-content {
    max-width: 700px;
}

.message.assistant.assistant-plain .message-text {
    line-height: 1.65;
    padding-left: 36px;
}

.message.assistant.assistant-plain .message-text>p {
    margin: 0 0 12px;
}

.message.assistant.assistant-plain .message-text>h1 {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.01em;
    border-bottom: none;
    padding-bottom: 0;
    margin-top: 0;
    margin-bottom: 12px;
}

.message.assistant.assistant-plain .message-text>h2 {
    font-size: 13px;
    font-weight: 600;
    margin-top: 12px;
    margin-bottom: 4px;
    padding-top: 0;
    border-top: 1px solid var(--border-light);
    letter-spacing: 0;
}

.message.assistant.assistant-plain .message-text>h1+h2 {
    margin-top: 6px;
    padding-top: 0;
    border-top: none;
}

.message.assistant.assistant-plain .message-text>h3 {
    font-size: 13px;
    font-weight: 600;
    margin-top: 12px;
    margin-bottom: 4px;
}

.message.assistant.assistant-plain .message-text>ul,
.message.assistant.assistant-plain .message-text>ol {
    margin: 10px 0 12px;
    padding-left: 0;
}

.message.assistant.assistant-plain .message-text>:first-child {
    margin-top: 0;
}

.message.assistant.assistant-plain .message-text>:last-child {
    margin-bottom: 0;
}