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

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #fafafa;
    --bg-hover: #f0f0f0;
    --bg-active: #e8e8e8;
    --text-primary: #000000;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --border-color: #e0e0e0;
    --accent-orange: #ff6b35;
    --accent-blue: #1565c0;
    --accent-blue-dark: #0d47a1;
    --accent-blue-light: #42a5f5;
    --accent-red: #ea4335;
    --accent-yellow: #ffa726;
    --shadow: rgba(0, 0, 0, 0.1);
    --badge-bg: #ff6b35;
    --badge-text: #ffffff;
}

.dark-theme {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #252525;
    --bg-hover: #353535;
    --bg-active: #404040;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-tertiary: #808080;
    --border-color: #404040;
    --shadow: rgba(0, 0, 0, 0.3);
    --accent-blue: #42a5f5;
    --accent-blue-dark: #64b5f6;
    --accent-blue-light: #90caf9;
}

/* Пока идёт проверка токена — не мелькает форма входа при F5 (класс ставится в <head>) */
html.crm-hide-login-until-ready #loginPage {
    display: none !important;
}

/* Страница входа */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    width: 100%;
    background-color: var(--bg-primary);
    padding: 24px;
}

.login-page.hidden {
    display: none;
}

.login-card {
    width: 100%;
    max-width: 380px;
    padding: 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 4px 24px var(--shadow);
}

.login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 8px;
}

.brand-logo-img {
    display: block;
    width: auto;
    height: 40px;
    max-width: 140px;
    object-fit: contain;
    flex-shrink: 0;
}

/* Оптическое центрирование надписи относительно картинки (шрифт визуально «ниже» середины) */
.brand-name {
    line-height: 1;
    display: inline-block;
    transform: translateY(-2px);
}

.login-logo .brand-name {
    font-size: 26px;
    font-weight: 600;
    color: var(--accent-blue-dark);
}

.login-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 28px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.login-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.login-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.login-input {
    width: 100%;
    padding: 12px 14px;
    font-size: 15px;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: border-color 0.2s;
}

.login-input::placeholder {
    color: var(--text-tertiary);
}

.login-input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.login-error {
    font-size: 13px;
    color: var(--accent-red);
    padding: 8px 0;
}

.login-submit {
    margin-top: 8px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 500;
    color: #000;
    background: var(--accent-yellow);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.2s;
}

.login-submit:hover {
    background: #ff9800;
    transform: translateY(-1px);
}

.modal-content--compact {
    max-width: 460px;
}

.app-dialog-text {
    white-space: pre-wrap;
}

.app-toast-root {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 13000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.app-toast-item {
    min-width: 260px;
    max-width: 420px;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    box-shadow: 0 8px 18px var(--shadow);
    font-size: 13px;
    line-height: 1.35;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    transition: background-color 0.3s, color 0.3s;
}

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    height: 100vh;
    overflow: hidden;
}

#appContainer {
    display: none;
}

#appContainer.visible {
    display: flex;
    height: 100vh;
    min-height: 0;
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    height: 64px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 24px;
    flex: 1;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.logo .brand-logo-img {
    height: 32px;
    max-width: 120px;
}

.logo .brand-name {
    font-size: 22px;
    font-weight: 600;
    color: var(--accent-blue-dark);
    transform: translateY(-3px);
}

.search-bar {
    position: relative;
    flex: 1;
    max-width: 400px;
    transition: color 0.2s ease;
}

.header-search-suggest {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 4px);
    z-index: 12000;
    max-height: calc(5 * 2.65rem);
    overflow-y: auto;
    overflow-x: hidden;
    margin: 0;
    padding: 4px 0;
    list-style: none;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 8px 24px var(--shadow);
}

.header-search-suggest--sidebar {
    left: 0;
    right: 0;
    max-width: 100%;
}

.header-search-suggest-item {
    display: block;
    width: 100%;
    padding: 10px 14px;
    margin: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.35;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.header-search-suggest-item:hover,
.header-search-suggest-item:focus {
    background: var(--bg-hover);
    outline: none;
}

.messages-toolbar {
    box-sizing: border-box;
    padding: 16px 24px 8px;
    margin: 0;
    background-color: var(--bg-primary);
    transition: none;
}

.messages-toolbar--deleted {
    display: flex;
    justify-content: flex-end;
}

.messages-toolbar--admin-filter {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding-bottom: 4px;
    transition: none;
}

.messages-toolbar-label {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    transition: none;
}

.inbox-work-filter-select {
    min-width: 220px;
    max-width: 100%;
    padding: 8px 10px;
    font-size: 13px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: none;
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
    transition: color 0.2s ease;
}

.search-input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.search-input:focus {
    border-color: var(--accent-blue);
    background-color: var(--bg-primary);
}

.header-center {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: center;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

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

.nav-item.active {
    color: var(--accent-blue-dark);
    background-color: var(--bg-hover);
}

.nav-item svg {
    width: 20px;
    height: 20px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
    justify-content: flex-end;
}

/* Ползунок темы */
.theme-slider-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
}

.theme-slider-label {
    font-size: 12px;
    color: var(--text-secondary);
    user-select: none;
}

.theme-slider {
    position: relative;
    display: inline-block;
    cursor: pointer;
    flex-shrink: 0;
}

.theme-slider-input {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
}

.theme-slider-track {
    display: block;
    width: 44px;
    height: 24px;
    border-radius: 12px;
    background-color: var(--border-color);
    transition: background-color 0.25s;
    position: relative;
}

.theme-slider-track::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: transform 0.25s ease;
}

.theme-slider-input:checked + .theme-slider-track {
    background-color: var(--accent-blue);
}

.theme-slider-input:checked + .theme-slider-track::after {
    transform: translateX(20px);
}

.theme-slider:hover .theme-slider-track {
    background-color: var(--text-tertiary);
}

.theme-slider-input:checked:hover + .theme-slider-track {
    background-color: var(--accent-blue-dark);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-profile--menu {
    position: relative;
}

.user-avatar-btn {
    position: relative;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    overflow: hidden;
    flex-shrink: 0;
    display: block;
    background: linear-gradient(135deg, var(--accent-blue-dark), var(--accent-blue-light));
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.user-avatar-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 10px var(--shadow);
}

.user-avatar-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    z-index: 2;
}

.user-avatar-initials {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    padding: 6px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 8px 24px var(--shadow);
    z-index: 200;
}

.user-dropdown-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 10px 12px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: background 0.15s;
}

.user-dropdown-item:hover:not(:disabled) {
    background: var(--bg-hover);
}

.user-dropdown-item--disabled,
.user-dropdown-item:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.user-dropdown-item--danger {
    color: var(--accent-red, #c62828);
}

.user-dropdown-item--danger:hover:not(:disabled) {
    background: rgba(198, 40, 40, 0.08);
}

/* Модальное окно профиля */
.modal-profile {
    max-width: 440px;
}

.profile-avatar-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 8px;
}

.profile-avatar-preview {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--accent-blue-dark), var(--accent-blue-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border-color);
}

.profile-avatar-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.profile-avatar-preview-initials {
    font-size: 32px;
    font-weight: 600;
}

.profile-avatar-upload-label {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.profile-avatar-hint {
    font-size: 12px;
    color: var(--text-tertiary);
    margin: 0 0 16px;
    line-height: 1.4;
}

/* Аватарки в чате — фото */
.chat-item-avatar img.chat-item-avatar--photo,
.chat-message-avatar img.chat-message-avatar--photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    display: block;
}

.user-item .user-avatar.user-avatar--photo {
    padding: 0;
    overflow: hidden;
    flex-shrink: 0;
    cursor: default;
}

.user-item .user-avatar.user-avatar--photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-name {
    font-size: 14px;
    color: var(--text-primary);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue-dark), var(--accent-blue-light));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
}

.btn-logout {
    margin-left: 8px;
    padding: 6px 12px;
    font-size: 13px;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

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

.main-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
    min-height: 0;
}

.sidebar {
    width: 240px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar-top {
    padding: 16px;
    display: flex;
    gap: 8px;
}

.btn-primary {
    flex: 1;
    padding: 10px 16px;
    background-color: var(--accent-yellow);
    color: #000;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-primary:hover {
    background-color: #ff9800;
    transform: translateY(-1px);
}

.btn-secondary {
    padding: 8px 16px;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-link {
    background: none;
    border: none;
    padding: 0;
    font-size: 13px;
    color: var(--accent-color, #e65100);
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.btn-link:hover {
    opacity: 0.85;
}

.btn-link-compact {
    font-size: 12px;
}

.form-group-toggle-bcc {
    margin-top: -8px;
    margin-bottom: 4px;
}

.compose-recipient-suggest {
    position: fixed;
    box-sizing: border-box;
    max-height: 240px;
    overflow-y: auto;
    margin: 0;
    padding: 6px 0;
    list-style: none;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 8px 24px var(--shadow);
    z-index: 10050;
}

.compose-recipient-suggest-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    width: 100%;
    padding: 10px 14px;
    margin: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    color: var(--text-primary);
    transition: background 0.12s;
}

.compose-recipient-suggest-item:hover,
.compose-recipient-suggest-item--active {
    background: var(--bg-hover);
}

.compose-recipient-suggest-name {
    font-size: 14px;
    font-weight: 500;
    line-height: 1.3;
}

.compose-recipient-suggest-login {
    font-size: 12px;
    color: var(--text-tertiary);
    line-height: 1.2;
}

.compose-send-error {
    margin-bottom: 16px;
    padding: 12px 14px;
    border-radius: 8px;
    border: 1px solid #ffcdd2;
    background: #ffebee;
    color: #b71c1c;
}

.dark-theme .compose-send-error {
    border-color: #c62828;
    background: rgba(198, 40, 40, 0.18);
    color: #ffcdd2;
}

.compose-send-error-title {
    display: block;
    font-size: 14px;
    margin-bottom: 6px;
}

.compose-send-error-text {
    margin: 0;
    font-size: 13px;
    line-height: 1.45;
    color: inherit;
    opacity: 0.95;
}

.sidebar-nav {
    flex: 1;
    min-height: 0;
    padding: 8px 8px 20px;
    display: flex;
    flex-direction: column;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-section-title--with-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.nav-folder-custom {
    font-size: 13px;
}

.nav-folder-custom-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-folder-toggle,
.nav-folder-toggle-placeholder {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.nav-folder-toggle {
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 11px;
    line-height: 1;
    padding: 0;
}

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

.nav-folder-toggle.is-collapsed {
    transform: rotate(-90deg);
}

.nav-folder-toggle--inline {
    margin-left: auto;
}

.nav-folder-custom-actions {
    display: none;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
}

.nav-folder-custom:hover .nav-folder-custom-actions,
.nav-folder-custom.active .nav-folder-custom-actions {
    display: inline-flex;
}

.nav-folder-custom-btn {
    width: 20px;
    height: 20px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 11px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

.nav-folder-custom-btn--danger:hover {
    color: #c62828;
    border-color: #c62828;
}

.nav-section-logout {
    margin-top: auto;
    margin-bottom: 0;
    padding-top: 16px;
}

.sidebar-logout-wrap {
    padding: 0 8px;
}

.btn-logout-sidebar {
    width: 100%;
    margin-left: 0;
    box-sizing: border-box;
    text-align: center;
    will-change: background-color, color, border-color;
}

body.theme-switching .search-bar,
body.theme-switching .search-input,
body.theme-switching .nav-item,
body.theme-switching .nav-folder,
body.theme-switching .messages-toolbar,
body.theme-switching .messages-toolbar--admin-filter,
body.theme-switching .btn-logout,
body.theme-switching .btn-logout-sidebar {
    transition: none !important;
}

.nav-folder {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
    transition: background-color 0.2s ease, color 0.2s ease;
    position: relative;
}

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

.nav-folder.active {
    background-color: var(--bg-active);
    color: var(--text-primary);
    font-weight: 500;
}

.nav-folder svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.badge {
    margin-left: auto;
    background-color: var(--badge-bg);
    color: var(--badge-text);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    min-width: 24px;
    text-align: center;
}

.badge--nav,
.badge--inline {
    margin-left: 0;
    flex-shrink: 0;
    min-width: 20px;
    padding: 2px 7px;
    font-size: 11px;
}

/* Поиск в сайдбаре — показывается только на мобильных */
.sidebar-search {
    display: none;
    padding: 0 16px 12px;
    position: relative;
}
.sidebar-search .search-icon {
    position: absolute;
    left: 28px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
}
.sidebar-search .search-input {
    padding-left: 36px;
    width: 100%;
}

.content-area {
    flex: 1;
    display: flex;
    overflow: hidden;
    min-height: 0;
}

.mail-list-area {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--bg-primary);
}

.mail-list-area .messages-list {
    flex: 1;
    min-height: 0;
}

.messages-list {
    width: 100%;
    overflow-y: auto;
    background-color: var(--bg-primary);
}

.documents-list-wrap {
    width: 100%;
    overflow-y: auto;
    background-color: var(--bg-primary);
    display: flex;
    flex-direction: column;
}

.documents-list {
    flex: 1;
    overflow-y: auto;
}

.document-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 24px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s;
}

.document-item:hover {
    background-color: var(--bg-secondary);
}

.document-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background-color: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-blue);
    flex-shrink: 0;
}

.document-info {
    flex: 1;
    min-width: 0;
}

.document-name {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.document-meta {
    font-size: 13px;
    color: var(--text-secondary);
}

.document-date {
    font-size: 13px;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.document-actions {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.document-icon--type {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--accent-blue);
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-tertiary);
    font-size: 16px;
    text-align: center;
    padding: 24px;
    gap: 8px;
}

.empty-state-hint {
    margin: 0;
    font-size: 14px;
    opacity: 0.85;
}

.message-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.18s ease;
    position: relative;
}

.message-item:hover {
    background-color: var(--bg-secondary);
}

.message-item.unread {
    background-color: var(--bg-tertiary);
}

.message-item.unread:hover {
    background-color: var(--bg-hover);
}

.message-checkbox {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-blue);
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue-dark), var(--accent-blue-light));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.message-avatar.message-avatar--photo {
    padding: 0;
    overflow: hidden;
    background: var(--bg-secondary);
}

.message-avatar.message-avatar--photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.message-content {
    flex: 1;
    min-width: 0;
}

.message-header-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

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

.message-unread-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-yellow);
    flex-shrink: 0;
}

.message-subject {
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.message-preview {
    font-size: 13px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.message-item-right {
    position: relative;
    flex-shrink: 0;
    width: min(320px, 42%);
    min-width: 118px;
    min-height: 40px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: flex-start;
    padding-top: 2px;
    isolation: isolate;
}

.message-item .message-date {
    position: static;
    right: auto;
    top: auto;
    font-size: 13px;
    color: var(--text-tertiary);
    transition: opacity 0.15s ease;
    white-space: nowrap;
}

.message-item-actions {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 4px;
    align-items: center;
    justify-content: flex-end;
}

.message-item-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    flex-shrink: 0;
}

.message-item-action-btn--labeled {
    width: auto;
    min-height: 34px;
    height: auto;
    padding: 0 10px 0 8px;
    gap: 6px;
}

.message-item-action-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    line-height: 1.2;
}

.message-item-action-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--text-tertiary);
}

@media (hover: hover) and (pointer: fine) {
    .message-item-actions {
        position: absolute;
        right: 0;
        top: 0;
        margin-top: 0;
        z-index: 4;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.15s ease;
    }

    .message-item:hover .message-date {
        opacity: 0;
        pointer-events: none;
    }

    .message-item:hover .message-item-actions {
        opacity: 1;
        pointer-events: auto;
    }

    .message-item:focus-within .message-date {
        opacity: 0;
        pointer-events: none;
    }

    .message-item:focus-within .message-item-actions {
        opacity: 1;
        pointer-events: auto;
    }
}

.message-attachment {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-secondary);
}

.message-detail {
    flex: 1;
    min-width: 0;
    min-height: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-self: stretch;
    background-color: var(--bg-primary);
    border-left: 1px solid var(--border-color);
}

.message-header {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 16px clamp(16px, 2.5vw, 40px);
    border-bottom: 1px solid var(--border-color);
}

.message-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    flex: 1;
    min-width: 0;
}

.message-mail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.message-mail-action-btn {
    font-size: 13px;
    padding: 6px 12px;
    white-space: nowrap;
}

.message-assignment-work-slot {
    display: inline-flex;
    align-items: center;
    margin-left: 4px;
}

.btn-assignment-work {
    font-size: 13px;
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    white-space: nowrap;
    border: 1px solid transparent;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-assignment-work--take {
    background: #e8f5e9;
    color: #1b5e20;
    border-color: #a5d6a7;
}

.btn-assignment-work--take:hover {
    background: #c8e6c9;
    border-color: #81c784;
}

.btn-assignment-work--done {
    background: #ffebee;
    color: #b71c1c;
    border-color: #ffcdd2;
}

.btn-assignment-work--done:hover {
    background: #ffcdd2;
    border-color: #ef9a9a;
}

.dark-theme .btn-assignment-work--take {
    background: rgba(46, 125, 50, 0.22);
    color: #c8e6c9;
    border-color: rgba(129, 199, 132, 0.45);
}

.dark-theme .btn-assignment-work--done {
    background: rgba(198, 40, 40, 0.22);
    color: #ffcdd2;
    border-color: rgba(239, 154, 154, 0.4);
}

.assignment-work-pill {
    display: inline-block;
    margin-left: 6px;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 6px;
    vertical-align: middle;
}

.assignment-work-pill--progress {
    color: #1b5e20;
    background: #e8f5e9;
    border: 1px solid #a5d6a7;
}

.assignment-work-pill--done {
    color: #b71c1c;
    background: #ffebee;
    border: 1px solid #ffcdd2;
}

.dark-theme .assignment-work-pill--progress {
    color: #c8e6c9;
    background: rgba(46, 125, 50, 0.25);
    border-color: rgba(129, 199, 132, 0.4);
}

.dark-theme .assignment-work-pill--done {
    color: #ffcdd2;
    background: rgba(198, 40, 40, 0.25);
    border-color: rgba(239, 154, 154, 0.35);
}

.comment-delete-btn {
    margin-left: auto;
    font-size: 12px;
    color: #c62828;
    padding: 2px 6px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 4px;
}

.comment-delete-btn:hover {
    background: rgba(198, 40, 40, 0.08);
}

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

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

.message-actions {
    display: flex;
    gap: 8px;
}

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

.action-btn--labeled {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 6px 12px 6px 8px;
    gap: 6px;
    color: var(--text-primary);
}

.action-btn--labeled:hover {
    background-color: var(--bg-hover);
    border-color: var(--text-tertiary);
}

.action-btn-label {
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
}

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

.message-body {
    flex: 1;
    min-height: 0;
    width: 100%;
    box-sizing: border-box;
    padding: 20px clamp(16px, 2.5vw, 40px) 28px;
    overflow-y: auto;
    overflow-x: hidden;
    background: var(--bg-primary);
}

.message-thread-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    flex-shrink: 0;
}

.message-thread-chain {
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-secondary);
}

.message-thread-chain-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.message-thread-chain-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.message-thread-chain-meta {
    font-size: 12px;
    color: var(--text-tertiary);
}

.message-thread-chain-list {
    display: flex;
    flex-direction: column;
    max-height: 220px;
    overflow-y: auto;
}

.message-thread-chain-item {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px 12px;
    width: 100%;
    padding: 10px 16px;
    margin: 0;
    border: none;
    border-bottom: 1px solid var(--border-color);
    background: transparent;
    cursor: pointer;
    text-align: left;
    font: inherit;
    color: var(--text-primary);
    transition: background 0.15s;
}

.message-thread-chain-item:last-child {
    border-bottom: none;
}

.message-thread-chain-item:hover {
    background: var(--bg-hover);
}

.message-thread-chain-item--current {
    background: color-mix(in srgb, var(--accent-blue) 12%, var(--bg-secondary));
    box-shadow: inset 3px 0 0 var(--accent-blue);
}

.message-thread-chain-item-from {
    font-size: 13px;
    font-weight: 600;
    flex: 0 0 auto;
}

.message-thread-chain-item-subj {
    font-size: 13px;
    color: var(--text-secondary);
    flex: 1 1 160px;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.message-thread-chain-item-date {
    font-size: 12px;
    color: var(--text-tertiary);
    flex: 0 0 auto;
    margin-left: auto;
}

/* Карточка просмотра письма — на всю ширину рабочей области */
.message-reading-meta {
    max-width: none;
    width: 100%;
    margin: 0;
}

.message-detail-block--card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 18px 20px 16px;
    margin-bottom: 20px;
    border-bottom: none;
}

.message-detail-block--card .message-detail-from,
.message-detail-block--card .message-detail-to,
.message-detail-block--card .message-detail-cc,
.message-detail-block--card .message-detail-subject,
.message-detail-block--card .message-detail-datetime {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 8px 16px;
    align-items: baseline;
    margin-bottom: 12px;
}

.message-detail-block--card .message-detail-subject {
    align-items: start;
}

.message-detail-block--card .message-detail-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-tertiary);
    min-width: 0;
    margin-right: 0;
}

.message-detail-to-value,
.message-detail-cc-value {
    font-size: 14px;
    color: var(--text-secondary);
    word-break: break-word;
}

.message-reading-sheet {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px var(--shadow);
}

.message-reading-sheet-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 20px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.message-reading-sheet-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.message-reading-sheet-hint {
    font-size: 12px;
    color: var(--text-tertiary);
}

.message-detail-body--letter {
    padding: 24px clamp(16px, 2.5vw, 36px) 32px;
    margin-bottom: 0;
    white-space: normal;
    background: var(--bg-primary);
}

/* Текст письма внутри «листа» */
.message-letter {
    font-size: 15px;
    line-height: 1.65;
    color: var(--text-primary);
}

.message-letter-heading {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent-blue-dark);
    margin: 0 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.message-letter-section {
    margin-bottom: 22px;
}

.message-letter-section:last-child {
    margin-bottom: 0;
}

.message-letter-section-body {
    font-size: 15px;
    line-height: 1.65;
    color: var(--text-primary);
}

.message-letter-p {
    margin: 0 0 14px;
}

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

.message-letter-muted {
    color: var(--text-tertiary);
    font-style: italic;
}

.message-letter-list {
    margin: 0 0 16px;
    padding-left: 22px;
    color: var(--text-primary);
}

.message-letter-list--bullet {
    list-style: disc;
}

.message-letter-list--num {
    list-style: decimal;
    padding-left: 26px;
}

.message-letter-list li {
    margin-bottom: 8px;
    padding-left: 4px;
}

.message-letter-list li:last-child {
    margin-bottom: 0;
}

.message-letter-quote {
    margin: 0 0 18px;
    padding: 14px 18px;
    border-left: 4px solid var(--accent-blue);
    background: var(--bg-tertiary);
    border-radius: 0 8px 8px 0;
    font-size: 14px;
    line-height: 1.55;
    color: var(--text-secondary);
}

/* Блок просмотра письма: отправитель, тема, дата, текст, вложения */
.message-detail-block {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.message-detail-from,
.message-detail-subject,
.message-detail-datetime,
.message-detail-to {
    margin-bottom: 10px;
}

.message-detail-label {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-right: 8px;
    display: inline-block;
    min-width: 100px;
}

.message-detail-from-value {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
}

.message-detail-subject-value {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.35;
}

.message-detail-datetime-value {
    font-size: 14px;
    color: var(--text-secondary);
}

.message-detail-assigned {
    display: block;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px dashed var(--border-color);
    font-size: 14px;
    color: var(--accent-blue);
    grid-column: 1 / -1;
}

.message-detail-body {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
    margin-bottom: 24px;
}

.message-body-header {
    margin-bottom: 24px;
}

.message-body-subject {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.message-body-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--text-secondary);
}

.message-body-text {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
}

.attachments-section {
    flex-shrink: 0;
    width: 100%;
    box-sizing: border-box;
    padding: 16px clamp(16px, 2.5vw, 40px);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.attachments-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.attachments-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.comments-empty {
    color: var(--text-tertiary);
    font-size: 14px;
    margin-top: 8px;
}

.attachment-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.attachment-item:hover {
    background-color: var(--bg-hover);
}

.attachment-icon {
    width: 40px;
    height: 40px;
    background-color: var(--accent-red);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 12px;
}

.attachment-info {
    flex: 1;
}

.attachment-name {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.attachment-type {
    font-size: 12px;
    color: var(--text-secondary);
}

.comments-section {
    flex-shrink: 0;
    width: 100%;
    box-sizing: border-box;
    padding: 24px clamp(16px, 2.5vw, 40px);
    border-top: 1px solid var(--border-color);
}

.comments-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.comment-item {
    padding: 16px;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    margin-bottom: 12px;
}

.comment-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.comment-header-main {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.comment-author {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.comment-date {
    font-size: 12px;
    color: var(--text-tertiary);
}

.comment-text {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.5;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--bg-primary);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px var(--shadow);
}

.modal-large {
    max-width: 700px;
}

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

.modal-header h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.2s;
}

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

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 24px;
    border-top: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: all 0.2s;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--accent-blue);
    background-color: var(--bg-primary);
}

.form-input.form-input--error,
.form-textarea.form-input--error {
    border-color: #c62828;
    background-color: color-mix(in srgb, #c62828 6%, var(--bg-secondary));
}

.form-input.form-input--error:focus,
.form-textarea.form-input--error:focus {
    border-color: #c62828;
    box-shadow: 0 0 0 2px color-mix(in srgb, #c62828 25%, transparent);
}

.form-inline-error {
    margin-top: 8px;
    padding: 8px 10px;
    font-size: 13px;
    line-height: 1.4;
    color: #b71c1c;
    background: color-mix(in srgb, #c62828 10%, var(--bg-primary));
    border: 1px solid color-mix(in srgb, #c62828 35%, var(--border-color));
    border-radius: 6px;
}

/* Атрибут hidden перекрывался бы display:block выше — явно скрываем, пока нет текста ошибки */
.form-inline-error[hidden] {
    display: none !important;
}

.form-inline-error:not([hidden]) {
    display: block;
}

body.dark-theme .form-inline-error {
    color: #ef9a9a;
    background: color-mix(in srgb, #ef5350 12%, var(--bg-secondary));
    border-color: color-mix(in srgb, #ef5350 40%, var(--border-color));
}

body.dark-theme .form-input.form-input--error,
body.dark-theme .form-textarea.form-input--error {
    border-color: #e57373;
    background-color: color-mix(in srgb, #e57373 10%, var(--bg-secondary));
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.compose-format-toolbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
}

.compose-format-btn {
    min-width: 34px;
    height: 32px;
    padding: 0 10px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
}

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

.compose-format-sep {
    width: 1px;
    height: 22px;
    background: var(--border-color);
}

.compose-format-size-wrap {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    font-size: 12px;
    color: var(--text-secondary);
}

.compose-format-size-select,
.compose-format-emoji-select {
    height: 32px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 13px;
    padding: 0 8px;
}

.compose-rich-textarea-hidden {
    display: none !important;
}

.compose-rich-editor {
    min-height: 180px;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
}

.compose-rich-editor:empty::before {
    content: attr(data-placeholder);
    color: var(--text-tertiary);
}

.file-upload-area {
    margin-top: 8px;
}

.files-list {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.file-item-name {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
}

.file-item-remove {
    background: none;
    border: none;
    color: var(--accent-red);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    transition: all 0.2s;
}

.file-item-remove:hover {
    background-color: var(--bg-hover);
}

.users-list {
    padding: 16px;
}

.user-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.2s;
}

.user-item:hover {
    background-color: var(--bg-hover);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info--editable {
    flex: 1;
    min-width: 0;
    cursor: pointer;
    border-radius: 8px;
    margin: -8px;
    padding: 8px;
    transition: background-color 0.15s ease;
}

.user-info--editable:hover {
    background-color: var(--bg-hover);
}

.user-role-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.user-role-badge.admin {
    background-color: var(--accent-red);
    color: white;
}

.user-role-badge.manager {
    background-color: var(--accent-blue);
    color: white;
}

.user-actions {
    display: flex;
    gap: 8px;
}

.user-action-btn {
    padding: 6px 12px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    color: var(--text-primary);
    transition: all 0.2s;
}

.user-action-btn:hover {
    background-color: var(--bg-hover);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
}

.btn-add-user {
    flex: none;
    padding: 6px 12px;
    font-size: 13px;
    white-space: nowrap;
}

@media (max-width: 480px) {
    .section-header {
        padding: 12px 16px;
    }
    .btn-add-user {
        padding: 6px 10px;
        font-size: 12px;
    }
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

.footer {
    padding: 16px 24px;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-content p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
    text-align: center;
}

.chat-container {
    flex: 1;
    width: 100%;
    display: flex;
    background-color: var(--bg-primary);
    min-height: 0;
    overflow: hidden;
}

.chat-sidebar {
    width: 320px;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    background-color: var(--bg-secondary);
    min-height: 0;
}

.chat-sidebar-header {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

.chat-sidebar-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
}

.chat-sidebar-title {
    font-weight: 600;
    font-size: 16px;
    color: var(--text-primary);
}

.chat-search-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: all 0.2s;
}

.chat-search-input:focus {
    border-color: var(--accent-blue);
}

.chat-list {
    flex: 1;
    overflow-y: auto;
}

.chat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.2s;
}

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

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

.chat-item-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue-dark), var(--accent-blue-light));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 16px;
    flex-shrink: 0;
}

.chat-item-content {
    flex: 1;
    min-width: 0;
}

.chat-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.chat-item-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
}

.chat-item-time {
    font-size: 12px;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.chat-item-preview {
    font-size: 13px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chat-item-badge {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--accent-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    flex-shrink: 0;
}

.chat-item-read {
    color: var(--accent-blue);
    flex-shrink: 0;
}

.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
    min-height: 0;
    min-width: 0;
    overflow: hidden;
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-primary);
}

.chat-header-info {
    flex: 1;
}

.chat-header-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.chat-header-meta {
    font-size: 13px;
    color: var(--text-secondary);
}

.chat-header-meta--clickable {
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.chat-header-meta--online {
    color: #2e7d32;
}

.chat-header-meta--offline {
    color: #8a8f98;
}

.chat-header-actions {
    display: flex;
    gap: 8px;
    position: relative;
}

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

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

.chat-header-search-input {
    width: 230px;
    max-width: 38vw;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 7px 10px;
    font-size: 13px;
}

.chat-header-search-input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.chat-more-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 180px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 10px 24px var(--shadow);
    z-index: 20;
    padding: 6px;
}

.chat-more-menu-item {
    width: 100%;
    border: none;
    background: transparent;
    color: var(--text-primary);
    text-align: left;
    padding: 8px 10px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
}

.chat-more-menu-item:hover {
    background: var(--bg-hover);
}

.chat-room-members-panel {
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-primary);
    padding: 8px 12px;
}

.chat-room-member-row {
    display: block;
    width: 100%;
    text-align: left;
    border: none;
    background: transparent;
    color: var(--text-primary);
    padding: 7px 8px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
}

.chat-room-member-row:hover {
    background: var(--bg-hover);
}

.chat-item-room-delete {
    margin-left: auto;
    width: 22px;
    height: 22px;
    border: 1px solid var(--border-color);
    border-radius: 7px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chat-item-room-delete:hover {
    color: #c62828;
    border-color: #c62828;
}

.group-dialog-users-list {
    max-height: 220px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    padding: 6px;
}

.group-dialog-user-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 8px;
}

.group-dialog-user-row:hover {
    background: var(--bg-hover);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 0;
}

.chat-empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-tertiary);
    font-size: 16px;
}

.chat-message {
    display: flex;
    gap: 8px;
    max-width: 70%;
    animation: none;
}

@keyframes messageAppear {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-message.own {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chat-message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue-dark), var(--accent-blue-light));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 12px;
    flex-shrink: 0;
}

.chat-message-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.chat-message-bubble {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.4;
    word-wrap: break-word;
}

.chat-message.own .chat-message-bubble {
    background-color: var(--accent-blue);
    color: white;
    border-bottom-right-radius: 4px;
}

.chat-message:not(.own) .chat-message-bubble {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.chat-message--unread:not(.own) .chat-message-bubble {
    box-shadow: 0 0 0 2px var(--accent-blue);
}

.chat-message-bubble--search-hit {
    box-shadow: 0 0 0 2px rgba(255, 167, 38, 0.75);
}

.chat-attachments {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 6px;
}

.chat-attachment-item {
    display: inline-flex;
    flex-direction: column;
    gap: 4px;
    text-decoration: none;
    color: inherit;
    max-width: 260px;
}

.chat-attachment-image {
    width: 100%;
    max-width: 220px;
    max-height: 140px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.chat-attachment-name {
    font-size: 12px;
    text-decoration: underline;
    word-break: break-word;
}

.chat-message-time {
    font-size: 11px;
    color: var(--text-tertiary);
    padding: 0 4px;
}

.chat-message.own .chat-message-time {
    text-align: right;
}

.chat-input-area {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-primary);
}

.chat-attach-btn,
.chat-send-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.chat-send-btn {
    color: var(--accent-blue);
}

.chat-send-btn:hover {
    background-color: var(--accent-blue);
    color: white;
}

.chat-message-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: all 0.2s;
}

.chat-message-input:focus {
    border-color: var(--accent-blue);
    background-color: var(--bg-primary);
}

/* Кнопка меню (гамбургер) — по умолчанию скрыта */
.header-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    margin-right: 8px;
    background: none;
    border: none;
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.2s;
}
.header-menu-btn:hover {
    background-color: var(--bg-hover);
}
.header-menu-btn svg {
    width: 24px;
    height: 24px;
}

/* Оверлей сайдбара на мобильных */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 100;
    top: 64px;
}

/* ========== АДАПТИВ: планшеты и ноуты ========== */
@media (max-width: 1280px) {
    .header {
        padding: 10px 16px;
    }
    .search-bar {
        max-width: 280px;
    }
    .nav-item {
        padding: 8px 12px;
        font-size: 13px;
    }
    .sidebar {
        width: 220px;
    }
    .chat-sidebar {
        width: 280px;
    }
}

@media (max-width: 1024px) {
    .header-center .nav-item span {
        display: none;
    }
    .header-center .nav-item {
        padding: 10px 12px;
    }
    .header-center .nav-item svg {
        margin: 0;
    }
    .theme-slider-label {
        display: none;
    }
    .user-name {
        max-width: 80px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .btn-logout {
        padding: 6px 10px;
        font-size: 12px;
    }
    .message-item,
    .document-item {
        padding: 12px 16px;
    }
    .message-body,
    .modal-body,
    .section-header {
        padding: 16px 20px;
    }
    .message-detail-block {
        margin-bottom: 16px;
    }
    .message-detail-block--card .message-detail-from,
    .message-detail-block--card .message-detail-to,
    .message-detail-block--card .message-detail-cc,
    .message-detail-block--card .message-detail-subject,
    .message-detail-block--card .message-detail-datetime {
        grid-template-columns: 1fr;
        gap: 4px;
    }
    .message-detail-body--letter {
        padding: 16px 16px 24px;
    }
}

/* ========== АДАПТИВ: планшеты (сайдбар в оверлей) ========== */
@media (max-width: 768px) {
    .header-menu-btn {
        display: flex;
    }
    .header-left .search-bar {
        display: none;
    }
    .search-bar {
        max-width: 180px;
    }
    /* Переключатель темы на планшете/мобильных — нормальный размер, подписи видны */
    .theme-slider-label {
        display: inline;
        font-size: 12px;
    }
    .theme-slider-wrap {
        gap: 10px;
        min-height: 44px;
        align-items: center;
    }
    .theme-slider-track {
        width: 48px;
        height: 26px;
        border-radius: 13px;
    }
    .theme-slider-track::after {
        width: 22px;
        height: 22px;
        top: 2px;
        left: 2px;
    }
    .theme-slider-input:checked + .theme-slider-track::after {
        transform: translateX(22px);
    }
    .sidebar-search {
        display: block;
    }
    .sidebar {
        position: fixed;
        left: 0;
        top: 64px;
        bottom: 0;
        z-index: 101;
        width: 260px;
        max-width: 85vw;
        transform: translateX(-100%);
        transition: transform 0.25s ease, box-shadow 0.25s ease;
        box-shadow: none;
    }
    body.sidebar-open .sidebar {
        transform: translateX(0);
        box-shadow: 4px 0 20px var(--shadow);
    }
    body.sidebar-open .sidebar-overlay {
        display: block;
    }
    .content-area {
        width: 100%;
    }
    .main-layout {
        flex: 1;
        min-width: 0;
    }
    .header-left .logo .brand-name {
        font-size: 19px;
        transform: translateY(-2px);
    }
    .header-left .logo .brand-logo-img {
        height: 28px;
    }
    .chat-container {
        flex-direction: column;
    }
    .chat-sidebar {
        width: 100%;
        max-height: 40vh;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .chat-main {
        flex: 1;
        min-height: 0;
    }
    .chat-message {
        max-width: 85%;
    }
    .modal-content {
        width: 95%;
        max-height: 85vh;
    }
    .modal-large {
        max-width: 95%;
    }
    .modal-header,
    .modal-footer {
        padding: 16px 20px;
    }
    .modal-body {
        padding: 20px;
    }
    .footer {
        padding: 12px 16px;
    }
    .footer-content p {
        font-size: 12px;
    }
}

/* ========== АДАПТИВ: мобильные ========== */
@media (max-width: 480px) {
    .header {
        padding: 8px 12px;
        height: 56px;
        flex-wrap: wrap;
        gap: 8px;
    }
    body.sidebar-open .sidebar-overlay {
        top: 56px;
    }
    .sidebar {
        top: 56px;
    }
    .header-menu-btn {
        width: 40px;
        height: 40px;
        margin-right: 4px;
    }
    .header-left {
        flex: 1;
        min-width: 0;
    }
    .header-left .search-bar {
        display: none;
    }
    .search-input {
        font-size: 16px;
        padding: 10px 12px 10px 36px;
    }
    .header-center {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        flex: none;
    }
    .header-right {
        gap: 8px;
    }
    .user-name {
        display: none;
    }
    /* Переключатель темы на мобильных — удобный для нажатия */
    .theme-slider-wrap {
        flex-shrink: 0;
    }
    .theme-slider-label {
        font-size: 11px;
    }
    .btn-logout-sidebar {
        padding: 10px 16px;
        font-size: 14px;
        min-height: 44px;
    }
    .login-page {
        padding: 16px;
    }
    .login-card {
        padding: 24px 20px;
        max-width: 100%;
    }
    .login-logo .brand-name {
        font-size: 22px;
        transform: translateY(-2px);
    }
    .login-logo .brand-logo-img {
        height: 36px;
    }
    .login-submit {
        padding: 14px;
    }
    .message-item {
        flex-wrap: wrap;
        padding: 12px;
    }
    .message-avatar {
        width: 36px;
        height: 36px;
        font-size: 12px;
    }
    .message-item-right {
        width: 100%;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding-left: 52px;
        margin-top: 6px;
        min-height: auto;
    }
    .message-item .message-date {
        width: auto;
        margin-top: 0;
        padding-left: 0;
        font-size: 12px;
    }
    .message-item-actions {
        position: static;
        opacity: 1;
        pointer-events: auto;
    }
    .message-header {
        padding: 12px 16px;
    }
    .message-body {
        padding: 16px;
    }
    .message-detail-subject-value {
        font-size: 16px;
    }
    .attachments-section,
    .comments-section {
        padding: 12px 16px;
    }
    .document-item {
        padding: 12px;
    }
    .document-icon {
        width: 36px;
        height: 36px;
    }
    .section-header {
        padding: 12px 16px;
    }
    .section-title {
        font-size: 16px;
    }
    .btn-primary {
        padding: 10px 12px;
        font-size: 13px;
    }
    .sidebar-top {
        padding: 12px;
    }
    .nav-folder {
        padding: 10px 12px;
        font-size: 14px;
    }
    .chat-sidebar-header {
        padding: 10px;
    }
    .chat-item {
        padding: 10px;
    }
    .chat-item-avatar {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }
    .chat-input-area {
        padding: 10px 12px;
    }
    .chat-message-bubble {
        padding: 8px 12px;
        font-size: 13px;
    }
    .modal-content {
        width: 100%;
        max-height: 90vh;
        border-radius: 12px 12px 0 0;
        margin-top: auto;
    }
    .modal-header h2 {
        font-size: 18px;
    }
    .form-group {
        margin-bottom: 16px;
    }
}

/* ========== АДАПТИВ: маленькие мобильные ========== */
@media (max-width: 360px) {
    .header-center .nav-item {
        padding: 8px 10px;
    }
    .sidebar {
        width: 240px;
    }
    .btn-primary span,
    .btn-primary svg {
        flex-shrink: 0;
    }
    .login-card {
        padding: 20px 16px;
    }
}
