:root {
    --rev-btn-font-family: "Inter", "Segoe UI", sans-serif;
    --rev-btn-radius: 12px;
    --rev-btn-pill-radius: 999px;
    --rev-btn-height: 42px;
    --rev-btn-height-sm: 34px;
    --rev-btn-pad-x: 16px;
    --rev-btn-gap: 8px;
    --rev-btn-border: #dbe2ea;
    --rev-btn-border-strong: #c8cfd7;
    --rev-btn-bg: #f8fafc;
    --rev-btn-bg-hover: #eef1f4;
    --rev-btn-bg-active: #e6eaee;
    --rev-btn-text: #1f2937;
    --rev-btn-primary-bg: #212529;
    --rev-btn-primary-bg-hover: #2f3640;
    --rev-btn-primary-bg-active: #171b20;
    --rev-btn-primary-text: #ffffff;
    --rev-btn-accent: #212529;
    --rev-btn-focus: rgba(33, 37, 41, 0.18);
    --rev-btn-red: #a21700;
    --rev-btn-red-hover: #8f1400;
    --rev-btn-red-shadow: rgba(162, 23, 0, 0.28);
    --rev-btn-active-theme: var(--rev-theme-main, var(--rev-btn-red));
    --rev-btn-active-theme-shadow: rgba(var(--rev-theme-rgb, 162, 23, 0), 0.28);
    --rev-btn-danger-bg: #fef2f2;
    --rev-btn-danger-border: #fecaca;
    --rev-btn-danger-text: #b42318;
    --rev-btn-danger-hover-bg: #fee2e2;
    --rev-btn-danger-hover-border: #fca5a5;
    --rev-btn-soft-bg: #ffffff;
    --rev-btn-soft-border: #d7e0ea;
    --rev-btn-soft-text: #334155;
    --rev-btn-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
    --rev-btn-shadow-hover: 0 10px 24px rgba(15, 23, 42, 0.12);
}

.rev-btn,
.btn-red,
button.for-button,
button.for-teacher-button,
button.upload,
.teachers-toolbar__action-btn,
.teacher-expand-btn,
.teacher-action-btn,
.ltv-chip,
.ltv-info-btn,
.ulc-search-btn.btn,
.revz-copy-btn,
.calendar-btn,
.nav-btn,
.close-btn,
.tg-btn,
.rating-info-btn,
.btn-reset,
.revz-sort-order,
.admin-users-create-btn,
.admin-users-back-btn,
.admin-users-submit-btn,
.profile-password-btn {
    font-family: var(--rev-btn-font-family);
    min-height: var(--rev-btn-height);
    padding: 0 var(--rev-btn-pad-x);
    border-radius: var(--rev-btn-radius);
    border: 1px solid var(--rev-btn-border);
    background: var(--rev-btn-bg);
    color: var(--rev-btn-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--rev-btn-gap);
    font-size: 14px;
    font-weight: 700;
    line-height: 1;
    text-decoration: none !important;
    cursor: pointer;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
    transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.rev-btn:hover,
.btn-red:hover,
button.for-button:hover,
button.for-teacher-button:hover,
button.upload:hover,
.teachers-toolbar__action-btn:hover,
.teacher-expand-btn:hover,
.teacher-action-btn:hover,
.ltv-chip:hover,
.ltv-info-btn:hover,
.ulc-search-btn.btn:hover,
.revz-copy-btn:hover,
.calendar-btn:hover,
.nav-btn:hover,
.close-btn:hover,
.tg-btn:hover,
.rating-info-btn:hover,
.btn-reset:hover,
.revz-sort-order:hover,
.admin-users-create-btn:hover,
.admin-users-back-btn:hover,
.admin-users-submit-btn:hover,
.profile-password-btn:hover {
    color: var(--rev-btn-accent);
    background: var(--rev-btn-bg-hover);
    border-color: var(--rev-btn-border-strong);
    box-shadow: var(--rev-btn-shadow-hover);
    transform: translateY(-1px);
}

.rev-btn:active,
.btn-red:active,
button.for-button:active,
button.for-teacher-button:active,
button.upload:active,
.teachers-toolbar__action-btn:active,
.teacher-expand-btn:active,
.teacher-action-btn:active,
.ltv-chip:active,
.ltv-info-btn:active,
.ulc-search-btn.btn:active,
.revz-copy-btn:active,
.calendar-btn:active,
.nav-btn:active,
.close-btn:active,
.tg-btn:active,
.rating-info-btn:active,
.btn-reset:active,
.revz-sort-order:active,
.admin-users-create-btn:active,
.admin-users-back-btn:active,
.admin-users-submit-btn:active,
.profile-password-btn:active {
    transform: translateY(0);
    background: var(--rev-btn-bg-active);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}

.rev-btn:focus,
.rev-btn:focus-visible,
.btn-red:focus,
.btn-red:focus-visible,
button.for-button:focus,
button.for-button:focus-visible,
button.for-teacher-button:focus,
button.for-teacher-button:focus-visible,
button.upload:focus,
button.upload:focus-visible,
.teachers-toolbar__action-btn:focus,
.teachers-toolbar__action-btn:focus-visible,
.teacher-expand-btn:focus,
.teacher-expand-btn:focus-visible,
.teacher-action-btn:focus,
.teacher-action-btn:focus-visible,
.ltv-chip:focus,
.ltv-chip:focus-visible,
.ltv-info-btn:focus,
.ltv-info-btn:focus-visible,
.ulc-search-btn.btn:focus,
.ulc-search-btn.btn:focus-visible,
.revz-copy-btn:focus,
.revz-copy-btn:focus-visible,
.calendar-btn:focus,
.calendar-btn:focus-visible,
.nav-btn:focus,
.nav-btn:focus-visible,
.close-btn:focus,
.close-btn:focus-visible,
.tg-btn:focus,
.tg-btn:focus-visible,
.rating-info-btn:focus,
.rating-info-btn:focus-visible,
.btn-reset:focus,
.btn-reset:focus-visible,
.revz-sort-order:focus,
.revz-sort-order:focus-visible,
.admin-users-create-btn:focus,
.admin-users-create-btn:focus-visible,
.admin-users-back-btn:focus,
.admin-users-back-btn:focus-visible,
.admin-users-submit-btn:focus,
.admin-users-submit-btn:focus-visible,
.profile-password-btn:focus,
.profile-password-btn:focus-visible,
.btn:focus,
.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px var(--rev-btn-focus);
}

.rev-btn:disabled,
.btn:disabled,
.teacher-expand-btn:disabled,
.teacher-action-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.rev-btn--primary,
.btn.btn-dark,
button.for-button,
button.for-teacher-button,
.admin-users-create-btn,
.admin-users-submit-btn,
.profile-password-btn {
    background: var(--rev-btn-primary-bg);
    border-color: var(--rev-btn-primary-bg);
    color: var(--rev-btn-primary-text);
    box-shadow: var(--rev-btn-shadow);
}

.rev-btn--primary:hover,
.btn.btn-dark:hover,
button.for-button:hover,
button.for-teacher-button:hover,
.admin-users-create-btn:hover,
.admin-users-submit-btn:hover,
.profile-password-btn:hover {
    background: var(--rev-btn-primary-bg-hover);
    border-color: var(--rev-btn-primary-bg-hover);
    color: var(--rev-btn-primary-text);
}

.rev-btn--primary:active,
.btn.btn-dark:active,
button.for-button:active,
button.for-teacher-button:active,
.admin-users-create-btn:active,
.admin-users-submit-btn:active,
.profile-password-btn:active {
    background: var(--rev-btn-primary-bg-active);
    border-color: var(--rev-btn-primary-bg-active);
    color: var(--rev-btn-primary-text);
}

.rev-btn--secondary,
.btn-red,
.btn.btn-outline-secondary,
.btn.btn-outline-dark,
.btn.btn-light.upload,
button.upload,
.teachers-toolbar__action-btn,
.teacher-expand-btn,
.ltv-chip,
.ulc-search-btn.btn,
.admin-users-back-btn,
.revz-sort-order {
    background: var(--rev-btn-bg);
    border-color: var(--rev-btn-border);
    color: var(--rev-btn-text);
}

.rev-btn--danger,
.btn.btn-outline-danger {
    background: var(--rev-btn-danger-bg);
    border-color: var(--rev-btn-danger-border);
    color: var(--rev-btn-danger-text);
}

.rev-btn--danger:hover,
.btn.btn-outline-danger:hover {
    background: var(--rev-btn-danger-hover-bg);
    border-color: var(--rev-btn-danger-hover-border);
    color: #991b1b;
}

.rev-btn--success,
.btn.btn-outline-success {
    background: #ecfdf3;
    border-color: #bbf7d0;
    color: #027a48;
}

.rev-btn--success:hover,
.btn.btn-outline-success:hover {
    background: #dcfce7;
    border-color: #86efac;
    color: #166534;
}

.rev-btn--warning,
.btn.btn-outline-warning {
    background: #fff7ed;
    border-color: #fed7aa;
    color: #b45309;
}

.rev-btn--warning:hover,
.btn.btn-outline-warning:hover {
    background: #ffedd5;
    border-color: #fdba74;
    color: #9a3412;
}

.rev-btn--ghost {
    background: transparent;
    box-shadow: none;
}

.rev-btn--icon,
.teacher-action-btn,
.ltv-info-btn,
.revz-copy-btn,
.calendar-btn,
.nav-btn,
.close-btn,
.tg-btn {
    width: var(--rev-btn-height);
    min-width: var(--rev-btn-height);
    padding: 0;
}

.revz-info-dot {
    width: 20px;
    min-width: 20px;
    height: 20px;
    min-height: 20px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: #64748b;
    font-size: 13px;
    line-height: 1;
    box-shadow: none;
    cursor: pointer;
    vertical-align: middle;
    transition: color 0.16s ease, background-color 0.16s ease, box-shadow 0.16s ease;
}

.revz-info-dot:hover {
    background: #f1f5f9;
    color: #111827;
}

.revz-info-dot:focus,
.revz-info-dot:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.14);
}

.revz-title-with-info {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.rev-btn--sm,
.btn.btn-sm,
.rating-info-btn {
    min-height: var(--rev-btn-height-sm);
    padding: 0 12px;
    font-size: 13px;
    border-radius: 10px;
}

.rev-btn--pill,
.ltv-chip {
    border-radius: var(--rev-btn-pill-radius);
}

.revz-bitrix-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    min-width: 32px;
    height: 32px;
    min-height: 32px;
    padding: 0;
    border: 1px solid #1fb6e9;
    border-radius: 50%;
    background: #2fc6f6;
    color: #ffffff;
    font-size: 14px;
    line-height: 1;
    text-decoration: none !important;
    box-shadow: 0 3px 8px rgba(47, 198, 246, 0.24);
    transition: background-color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.revz-bitrix-link:hover {
    border-color: #129dcc;
    background: #22b4e5;
    color: #ffffff;
    box-shadow: 0 5px 12px rgba(47, 198, 246, 0.34);
    transform: translateY(-1px);
}

.revz-bitrix-link:active {
    transform: translateY(0);
}

.revz-bitrix-link:focus-visible {
    outline: none;
    box-shadow:
            0 0 0 4px rgba(47, 198, 246, 0.22),
            0 3px 8px rgba(47, 198, 246, 0.24);
}

.btn-red.active,
.ltv-chip.active {
    background: var(--rev-btn-primary-bg);
    border-color: var(--rev-btn-primary-bg);
    color: var(--rev-btn-primary-text);
    box-shadow: var(--rev-btn-shadow);
}

.btn.btn-secondary {
    background: var(--rev-btn-primary-bg);
    border-color: var(--rev-btn-primary-bg);
    color: var(--rev-btn-primary-text);
}

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

.search-form button,
#level-filter .nav-link,
#limit-filter .nav-link {
    min-height: var(--rev-btn-height);
    padding: 0 16px;
    border-radius: var(--rev-btn-pill-radius);
    border: 1px solid var(--rev-btn-soft-border);
    background: var(--rev-btn-soft-bg);
    color: var(--rev-btn-soft-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--rev-btn-font-family);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none !important;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
    transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.search-form button:hover,
#level-filter .nav-link:hover,
#limit-filter .nav-link:hover {
    background: var(--rev-btn-bg-hover);
    border-color: var(--rev-btn-border-strong);
    color: var(--rev-btn-accent);
    box-shadow: var(--rev-btn-shadow-hover);
    transform: translateY(-1px);
}

.search-form button:focus,
.search-form button:focus-visible,
#level-filter .nav-link:focus,
#level-filter .nav-link:focus-visible,
#limit-filter .nav-link:focus,
#limit-filter .nav-link:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px var(--rev-btn-focus);
}

#level-filter .nav-link.active,
#limit-filter .nav-link.active {
    background: var(--rev-btn-active-theme);
    border-color: var(--rev-btn-active-theme);
    color: var(--rev-btn-primary-text);
    box-shadow: 0 10px 22px var(--rev-btn-active-theme-shadow);
}

#level-filter {
    gap: 0;
}

#level-filter .nav-item {
    margin: 0;
}

#level-filter .nav-link {
    min-height: 46px;
    padding: 0 20px;
    font-size: 15px;
}

button.for-teacher-button {
    background-image: none;
}

button.for-teacher-button::after {
    display: none;
}

.btn-red,
.ltv-chip,
#type-filter .btn {
    min-width: 104px;
}

.btn-red {
    background: var(--rev-btn-soft-bg) !important;
    border-color: var(--rev-btn-soft-border) !important;
    color: var(--rev-btn-soft-text) !important;
}

.btn-red:hover {
    background: var(--rev-btn-bg-hover) !important;
    border-color: var(--rev-btn-border-strong) !important;
    color: var(--rev-btn-accent) !important;
}

.btn-red.active {
    background: var(--rev-btn-active-theme) !important;
    border-color: var(--rev-btn-active-theme) !important;
    color: var(--rev-btn-primary-text) !important;
    box-shadow: 0 10px 22px var(--rev-btn-active-theme-shadow) !important;
}

#type-filter .btn {
    min-height: 42px;
    padding: 0 18px;
    border-radius: var(--rev-btn-pill-radius);
}

.ulc-search-btn.btn {
    width: 38px !important;
    min-width: 38px !important;
    height: 38px !important;
    min-height: 38px !important;
    padding: 0 !important;
    border-radius: 50% !important;
    background: var(--rev-btn-primary-bg) !important;
    border-color: var(--rev-btn-primary-bg) !important;
    color: var(--rev-btn-primary-text) !important;
    box-shadow: var(--rev-btn-shadow) !important;

    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.ulc-search-btn.btn i {
    font-size: 1rem;
    color: inherit !important;
    line-height: 1;
}

.ulc-search-btn.btn:hover {
    background: var(--rev-btn-primary-bg-hover) !important;
    border-color: var(--rev-btn-primary-bg-hover) !important;
    color: var(--rev-btn-primary-text) !important;
}

.ulc-search-btn.btn:focus,
.ulc-search-btn.btn:active {
    background: var(--rev-btn-primary-bg-hover) !important;
    border-color: var(--rev-btn-primary-bg-hover) !important;
    color: var(--rev-btn-primary-text) !important;
    box-shadow: var(--rev-btn-shadow) !important;
}

#revz-toggle-filter,
#payments-toggle-filter,
.revz-period-button,
.report-field .btn-red,
.report-submit-button,
.revz-period-toolbar .btn-red,
.revz-filter-panel .btn-red,
.payments-toolbar .btn-red,
#payments-filter-panel .btn-red {
    background: var(--rev-theme-surface-gradient, var(--rev-theme-main, var(--rev-btn-primary-bg))) !important;
    border-color: var(--rev-theme-main, var(--rev-btn-primary-bg)) !important;
    color: var(--rev-btn-primary-text) !important;
    box-shadow:
            0 10px 22px rgba(var(--rev-theme-rgb, 33, 37, 41), 0.28),
            0 1px 0 rgba(255, 255, 255, 0.16) inset !important;
}

#revz-toggle-filter:hover,
#payments-toggle-filter:hover,
.revz-period-button:hover,
.report-field .btn-red:hover,
.report-submit-button:hover,
.revz-period-toolbar .btn-red:hover,
.revz-filter-panel .btn-red:hover,
.payments-toolbar .btn-red:hover,
#payments-filter-panel .btn-red:hover {
    background: var(--rev-theme-surface-gradient-hover, var(--rev-theme-strong, var(--rev-btn-primary-bg-hover))) !important;
    border-color: var(--rev-theme-strong, var(--rev-btn-primary-bg-hover)) !important;
    color: var(--rev-btn-primary-text) !important;
}

#revz-toggle-filter:focus,
#payments-toggle-filter:focus,
.revz-period-button:focus,
.report-field .btn-red:focus,
.report-submit-button:focus {
    box-shadow:
            0 0 0 4px var(--rev-theme-focus, rgba(33, 37, 41, 0.18)),
            0 10px 22px rgba(var(--rev-theme-rgb, 33, 37, 41), 0.28) !important;
}

.ltv-chip.active {
    background: var(--rev-btn-active-theme) !important;
    border-color: var(--rev-btn-active-theme) !important;
    color: var(--rev-btn-primary-text) !important;
    box-shadow: 0 10px 22px var(--rev-btn-active-theme-shadow) !important;
}

.tg-btn {
    color: #229ed9 !important;
}

body[data-rev-theme] #level-filter .nav-link.active,
body[data-rev-theme] #limit-filter .nav-link.active,
body[data-rev-theme] .btn-red.active,
body[data-rev-theme] .ltv-chip.active {
    background-color: var(--rev-theme-main) !important;
    background: var(--rev-theme-main) !important;
    border-color: var(--rev-theme-main) !important;
    color: var(--rev-btn-primary-text) !important;
    box-shadow: 0 10px 22px rgba(var(--rev-theme-rgb), 0.28) !important;
}

body[data-rev-theme="director"] .rev-btn--primary,
body[data-rev-theme="director"] .btn.btn-dark,
body[data-rev-theme="director"] button.for-button,
body[data-rev-theme="director"] button.for-teacher-button,
body[data-rev-theme="director"] .admin-users-create-btn,
body[data-rev-theme="director"] .admin-users-submit-btn,
body[data-rev-theme="director"] .profile-password-btn,
body[data-rev-theme="director"] #revz-toggle-filter,
body[data-rev-theme="director"] #payments-toggle-filter,
body[data-rev-theme="director"] .revz-period-button,
body[data-rev-theme="director"] .report-field .btn-red,
body[data-rev-theme="director"] .report-submit-button,
body[data-rev-theme="director"] .revz-period-toolbar .btn-red,
body[data-rev-theme="director"] .revz-filter-panel .btn-red,
body[data-rev-theme="director"] .payments-toolbar .btn-red,
body[data-rev-theme="director"] #payments-filter-panel .btn-red {
    background: var(--rev-theme-surface-gradient) !important;
    border-color: rgba(2, 6, 23, 0.92) !important;
    box-shadow:
            0 12px 28px rgba(8, 145, 178, 0.32),
            0 1px 0 rgba(255, 255, 255, 0.16) inset !important;
}

body[data-rev-theme="director"] .rev-btn--primary:hover,
body[data-rev-theme="director"] .btn.btn-dark:hover,
body[data-rev-theme="director"] button.for-button:hover,
body[data-rev-theme="director"] button.for-teacher-button:hover,
body[data-rev-theme="director"] .admin-users-create-btn:hover,
body[data-rev-theme="director"] .admin-users-submit-btn:hover,
body[data-rev-theme="director"] .profile-password-btn:hover,
body[data-rev-theme="director"] #revz-toggle-filter:hover,
body[data-rev-theme="director"] #payments-toggle-filter:hover,
body[data-rev-theme="director"] .revz-period-button:hover,
body[data-rev-theme="director"] .report-field .btn-red:hover,
body[data-rev-theme="director"] .report-submit-button:hover,
body[data-rev-theme="director"] .revz-period-toolbar .btn-red:hover,
body[data-rev-theme="director"] .revz-filter-panel .btn-red:hover,
body[data-rev-theme="director"] .payments-toolbar .btn-red:hover,
body[data-rev-theme="director"] #payments-filter-panel .btn-red:hover {
    background: var(--rev-theme-surface-gradient-hover) !important;
}

body[data-rev-theme="director"] #level-filter .nav-link.active,
body[data-rev-theme="director"] #limit-filter .nav-link.active,
body[data-rev-theme="director"] .btn-red.active,
body[data-rev-theme="director"] .ltv-chip.active {
    background: var(--rev-theme-surface-gradient) !important;
    border-color: rgba(2, 6, 23, 0.88) !important;
    box-shadow:
            0 12px 28px rgba(8, 145, 178, 0.34),
            0 1px 0 rgba(255, 255, 255, 0.15) inset !important;
}

.floating-logout button {
    width: 48px;
    min-width: 48px;
    height: 48px;
    min-height: 48px;
    padding: 0;
    border-radius: 50%;
    background: var(--rev-btn-primary-bg) !important;
    border-color: var(--rev-btn-primary-bg);
    color: var(--rev-btn-primary-text) !important;
    box-shadow: var(--rev-btn-shadow);
}

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