/*------------------------------------------------------------------
  Index page only — modern inbox layout (load after mailbox-theme.css)
-------------------------------------------------------------------*/

@media (prefers-reduced-motion: reduce) {
    .mb-page-index * {
        transition-duration: 0.01ms !important;
    }
}

/* ---- Ambient page background ---- */
.mb-page-index #container {
    background: var(--mb-bg);
    background-image:
        radial-gradient(ellipse 120% 80% at 100% -20%, var(--mb-accent-soft), transparent 55%),
        radial-gradient(ellipse 90% 60% at -10% 30%, rgba(99, 102, 241, 0.06), transparent 45%);
}

html[data-bs-theme="dark"] .mb-page-index #container {
    background-image:
        radial-gradient(ellipse 100% 70% at 90% -15%, rgba(45, 212, 191, 0.12), transparent 50%),
        radial-gradient(ellipse 80% 50% at 0% 40%, rgba(99, 102, 241, 0.08), transparent 40%);
}

/* ---- Hero (replaces legacy search strip) ---- */
.mb-index-hero {
    position: relative;
    padding: clamp(1.25rem, 4vw, 2.5rem) 0 clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 0;
    overflow: hidden;
}

.mb-index-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        color-mix(in srgb, var(--mb-surface) 88%, var(--mb-accent)) 0%,
        var(--mb-surface) 48%,
        color-mix(in srgb, var(--mb-surface) 92%, var(--mb-accent)) 100%
    );
    border-bottom: 1px solid var(--mb-border-strong);
    z-index: 0;
}

.mb-index-hero .container {
    position: relative;
    z-index: 1;
}

.mb-index-hero-inner {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

@media (min-width: 992px) {
    .mb-index-hero-inner {
        flex-direction: row;
        align-items: flex-end;
        justify-content: space-between;
        gap: 2rem;
    }
}

.mb-index-eyebrow {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--mb-accent);
    margin: 0 0 0.35rem;
}

.mb-index-title {
    font-family: var(--mb-font-display), var(--mb-font-sans);
    font-size: clamp(1.75rem, 4vw, 2.35rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin: 0;
    line-height: 1.15;
    color: var(--mb-text) !important;
}

.mb-index-sub {
    margin: 0.5rem 0 0;
    max-width: 36rem;
    font-size: 0.95rem;
    color: var(--mb-text-muted);
    line-height: 1.5;
}

.mb-index-search {
    width: 100%;
    max-width: 32rem;
    flex-shrink: 0;
}

.mb-index-search .input-group {
    border-radius: var(--mb-radius);
    overflow: hidden;
    box-shadow: var(--mb-shadow);
    border: 1px solid var(--mb-border-strong);
    background: var(--mb-surface);
}

.mb-index-search .input-group-text {
    border: none !important;
    color: var(--mb-text-muted);
}

.mb-index-search .form-control {
    border: none !important;
    box-shadow: none !important;
    background: transparent !important;
}

.mb-index-search .btn-primary {
    border-radius: 0 var(--mb-radius-sm) var(--mb-radius-sm) 0 !important;
    padding-left: 1.1rem;
    padding-right: 1.1rem;
}

/* ---- Main content shell ---- */
.mb-page-index .boxed {
    background: transparent;
}

.mb-page-index #content-container,
.mb-page-index > #container > .boxed > .container {
    background: transparent !important;
}

.mb-index-page {
    padding-bottom: 2rem;
}

.mb-inbox-shell {
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.mb-inbox-layout {
    align-items: flex-start;
}

/* ---- Sidebar card ---- */
.mb-sidebar-col .panel {
    border: 1px solid var(--mb-border-strong) !important;
    border-radius: var(--mb-radius) !important;
    overflow: hidden;
    box-shadow: var(--mb-shadow);
    background: var(--mb-surface) !important;
}

@media (min-width: 992px) {
    .mb-sidebar-col .panel {
        position: sticky;
        top: 5.5rem;
    }
}

.mb-compose-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600 !important;
    letter-spacing: 0.02em;
    border: none !important;
    border-radius: var(--mb-radius-sm) !important;
    padding: 0.85rem 1rem !important;
    background: linear-gradient(135deg, var(--mb-accent) 0%, var(--mb-accent-hover) 100%) !important;
    color: var(--mb-accent-contrast) !important;
    box-shadow: 0 8px 24px color-mix(in srgb, var(--mb-accent) 35%, transparent);
    transition: transform var(--mb-motion-duration), box-shadow var(--mb-motion-duration);
}

.mb-compose-cta:hover {
    transform: translateY(-1px);
    color: var(--mb-accent-contrast) !important;
    filter: brightness(1.05);
}

.mb-sidebar-col .list-group-item {
    border-radius: var(--mb-radius-sm) !important;
    margin-bottom: 4px;
    border: 1px solid transparent !important;
    padding: 0.65rem 1rem !important;
}

.mb-sidebar-col .list-group-item:hover {
    border-color: var(--mb-border) !important;
}

.mb-sidebar-col a.list-group-item.text-semibold,
.mb-sidebar-col a.list-group-item.active {
    background: var(--mb-accent-soft) !important;
    border-color: transparent !important;
    color: var(--mb-accent) !important;
}

/* Sidebar label cloud — pill shape; fill/border from tokens (see .tag in mailbox-theme) */
.mb-page-index .mb-sidebar-col .mb-label-cloud .tag:not(.label) {
    border-radius: 999px !important;
    padding: 0 !important;
    border-width: 1px !important;
}

.mb-page-index .mb-sidebar-col .mb-label-cloud .tag:not(.label) a {
    display: inline-block;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    text-decoration: none;
}

/* ---- Inbox main panel ---- */
.mb-inbox-main .panel {
    border: 1px solid var(--mb-border-strong) !important;
    border-radius: var(--mb-radius) !important;
    overflow: hidden;
    box-shadow: var(--mb-shadow-lg);
    background: var(--mb-surface) !important;
}

.mb-inbox-main #mailbox-email-list {
    padding: 1.25rem 1.25rem 0 !important;
}

.mb-inbox-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--mb-border);
}

.mb-inbox-head .page-header {
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    font-size: 1.35rem !important;
    font-weight: 700 !important;
}

.mb-inbox-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.mb-inbox-chips .badge {
    font-weight: 500;
    padding: 0.4em 0.75em;
    border-radius: 999px;
}

/* “Updated / secondary” chip: readable on dark surfaces */
html[data-bs-theme="dark"] .mb-page-index .mb-inbox-chips .badge.border-secondary {
    color: var(--mb-text-muted) !important;
    background-color: color-mix(in srgb, var(--mb-surface-2) 85%, var(--mb-accent) 15%) !important;
    border-color: color-mix(in srgb, var(--mb-accent) 28%, transparent) !important;
}

/* Toolbar strip */
.mb-mail-toolbar {
    --mb-toolbar-btn-bg: color-mix(in srgb, var(--mb-surface) 88%, var(--mb-surface-2));
    --mb-toolbar-btn-border: var(--mb-border-strong);
    --mb-toolbar-btn-color: var(--mb-text);
    /* Bootstrap dropdown vars — remove default blue hover */
    --bs-dropdown-bg: var(--mb-surface);
    --bs-dropdown-border-color: var(--mb-border-strong);
    --bs-dropdown-box-shadow: var(--mb-shadow-lg);
    --bs-dropdown-link-color: var(--mb-text);
    --bs-dropdown-link-hover-color: var(--mb-accent);
    --bs-dropdown-link-hover-bg: var(--mb-accent-soft);
    --bs-dropdown-link-active-color: var(--mb-accent-contrast);
    --bs-dropdown-link-active-bg: var(--mb-accent);
    --bs-dropdown-link-disabled-color: var(--mb-text-muted);
    --bs-dropdown-header-color: var(--mb-text-muted);
    --bs-dropdown-divider-bg: var(--mb-border-strong);
    background: linear-gradient(
        180deg,
        color-mix(in srgb, var(--mb-surface-2) 70%, var(--mb-surface)) 0%,
        var(--mb-surface-2) 100%
    );
    border: 1px solid var(--mb-border-strong);
    border-radius: var(--mb-radius);
    padding: 0.65rem 0.85rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
    box-shadow: 0 1px 0 color-mix(in srgb, var(--mb-border) 50%, transparent);
}

html[data-bs-theme="dark"] .mb-page-index .mb-mail-toolbar {
    background: linear-gradient(
        180deg,
        color-mix(in srgb, var(--mb-surface) 40%, var(--mb-surface-2)) 0%,
        var(--mb-surface-2) 100%
    );
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.mb-mail-toolbar .btn-group .btn {
    border-radius: var(--mb-radius-sm) !important;
}

.mb-mail-toolbar .text-muted {
    font-size: 0.875rem;
}

/* Toolbar buttons — neutral surface, accent on hover (not Bootstrap blue) */
.mb-page-index .mb-mail-toolbar .btn-secondary {
    background-color: var(--mb-toolbar-btn-bg) !important;
    border-color: var(--mb-toolbar-btn-border) !important;
    color: var(--mb-toolbar-btn-color) !important;
    font-weight: 500;
    transition: background-color var(--mb-motion-duration), border-color var(--mb-motion-duration), color var(--mb-motion-duration), box-shadow var(--mb-motion-duration);
}

.mb-page-index .mb-mail-toolbar .btn-secondary:hover,
.mb-page-index .mb-mail-toolbar .btn-secondary:focus-visible {
    background-color: var(--mb-accent-soft) !important;
    border-color: color-mix(in srgb, var(--mb-accent) 45%, var(--mb-toolbar-btn-border)) !important;
    color: var(--mb-accent) !important;
    box-shadow: none !important;
}

.mb-page-index .mb-mail-toolbar .btn-secondary:active,
.mb-page-index .mb-mail-toolbar .btn-check:checked + .btn-secondary {
    background-color: color-mix(in srgb, var(--mb-accent-soft) 70%, var(--mb-surface)) !important;
    color: var(--mb-accent) !important;
}

.mb-page-index .mb-mail-toolbar .mb-toolbar-split {
    border-color: var(--mb-toolbar-btn-border) !important;
}

.mb-page-index .mb-mail-toolbar .mb-toolbar-checkbox-wrap.btn-secondary {
    background: transparent !important;
}

.mb-page-index .mb-mail-toolbar .mb-toolbar-checkbox-wrap.btn-secondary:hover {
    background: var(--mb-accent-soft) !important;
}

/* Vertical rule between action clusters */
.mb-page-index .mb-mail-toolbar .mb-toolbar-divider {
    width: 1px;
    height: 1.5rem;
    background: var(--mb-border-strong);
    align-self: center;
    opacity: 0.85;
}

/* Dropdown menus in toolbar */
.mb-page-index .mb-mail-toolbar .mb-toolbar-dropdown {
    min-width: 12rem;
    border-radius: var(--mb-radius-sm) !important;
    border: 1px solid var(--mb-border-strong) !important;
    background-color: var(--mb-surface) !important;
    padding: 0.35rem !important;
    margin-top: 0.35rem !important;
}

.mb-page-index .mb-mail-toolbar .mb-toolbar-dropdown .dropdown-item {
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.45rem 0.65rem;
    color: var(--mb-text) !important;
}

.mb-page-index .mb-mail-toolbar .mb-toolbar-dropdown .dropdown-item:hover,
.mb-page-index .mb-mail-toolbar .mb-toolbar-dropdown .dropdown-item:focus {
    background-color: var(--mb-accent-soft) !important;
    color: var(--mb-accent) !important;
}

.mb-page-index .mb-mail-toolbar .mb-toolbar-dropdown .dropdown-item:active {
    background-color: var(--mb-accent) !important;
    color: var(--mb-accent-contrast) !important;
}

.mb-page-index .mb-mail-toolbar .mb-toolbar-dropdown .dropdown-divider {
    border-color: var(--mb-border) !important;
    opacity: 1;
}

.mb-page-index .mb-mail-toolbar .mb-toolbar-dd-ico {
    color: var(--mb-accent) !important;
    font-size: 1rem;
    flex-shrink: 0;
    width: 1.25rem;
    text-align: center;
}

.mb-page-index .mb-mail-toolbar .mb-toolbar-dropdown .dropdown-item:hover .mb-toolbar-dd-ico,
.mb-page-index .mb-mail-toolbar .mb-toolbar-dropdown .dropdown-item:focus .mb-toolbar-dd-ico {
    color: var(--mb-accent) !important;
}

.mb-page-index .mb-mail-toolbar .mb-toolbar-dropdown .dropdown-item .bi:not(.mb-toolbar-dd-ico):not(.text-warning) {
    color: var(--mb-text-muted);
    font-size: 1rem;
    flex-shrink: 0;
    width: 1.25rem;
    text-align: center;
    transition: color var(--mb-motion-duration);
}

.mb-page-index .mb-mail-toolbar .mb-toolbar-dropdown .dropdown-item:hover .bi:not(.text-warning),
.mb-page-index .mb-mail-toolbar .mb-toolbar-dropdown .dropdown-item:focus .bi:not(.text-warning) {
    color: var(--mb-accent) !important;
}

/* Pager strip */
.mb-page-index .mb-mail-toolbar .mb-toolbar-range strong.text-body {
    color: var(--mb-text) !important;
    font-weight: 600;
}

.mb-page-index .mb-mail-toolbar .mb-toolbar-pager-btns .btn-secondary {
    min-width: 2.25rem;
}

.mb-page-index .mb-mail-toolbar .mb-toolbar-pager-btns .btn-secondary:first-child {
    border-radius: var(--mb-radius-sm) 0 0 var(--mb-radius-sm) !important;
}

.mb-page-index .mb-mail-toolbar .mb-toolbar-pager-btns .btn-secondary:last-child {
    border-radius: 0 var(--mb-radius-sm) var(--mb-radius-sm) 0 !important;
}

.mb-page-index .mb-mail-toolbar .mb-toolbar-section-label {
    letter-spacing: 0.06em;
}

/* Tabbed mail panel — overflow visible so “Updates” dropdown isn’t clipped */
.mb-page-index .with-nav-tabs.panel-default {
    border: 1px solid var(--mb-border-strong) !important;
    border-radius: var(--mb-radius) !important;
    overflow: visible;
    background: var(--mb-surface) !important;
    position: relative;
    z-index: 1;
}

.mb-page-index .with-nav-tabs .panel-heading {
    padding: 0 !important;
    border: none !important;
    background: var(--mb-surface-2) !important;
    overflow: visible;
    position: relative;
    z-index: 4;
    border-radius: var(--mb-radius) var(--mb-radius) 0 0;
}

.mb-page-index .with-nav-tabs .nav-tabs {
    border: none !important;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    gap: 0.25rem;
    padding: 0.5rem 0.5rem 0;
    position: relative;
    z-index: 2;
}

/* Dropdown tab stacks above mail list */
.mb-page-index .with-nav-tabs .mb-inbox-tab-dropdown {
    position: relative;
    z-index: 20;
}

.mb-page-index .with-nav-tabs .mb-inbox-tabs-dropdown {
    z-index: 1085 !important;
    min-width: 11rem;
    border-radius: var(--mb-radius-sm) !important;
    border: 1px solid var(--mb-border-strong) !important;
    background-color: var(--mb-surface) !important;
    padding: 0.35rem !important;
    margin-top: 0.25rem !important;
    --bs-dropdown-link-color: var(--mb-text);
    --bs-dropdown-link-hover-color: var(--mb-accent);
    --bs-dropdown-link-hover-bg: var(--mb-accent-soft);
    --bs-dropdown-link-active-color: var(--mb-accent-contrast);
    --bs-dropdown-link-active-bg: var(--mb-accent);
}

.mb-page-index .with-nav-tabs .mb-inbox-tabs-dropdown .dropdown-item {
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.45rem 0.65rem;
    color: var(--mb-text) !important;
}

.mb-page-index .with-nav-tabs .mb-inbox-tabs-dropdown .dropdown-item:hover,
.mb-page-index .with-nav-tabs .mb-inbox-tabs-dropdown .dropdown-item:focus {
    background-color: var(--mb-accent-soft) !important;
    color: var(--mb-accent) !important;
}

.mb-page-index .with-nav-tabs .mb-inbox-tabs-dropdown .dropdown-item:active {
    background-color: var(--mb-accent) !important;
    color: var(--mb-accent-contrast) !important;
}

.mb-page-index .with-nav-tabs .mb-inbox-tab-dd-ico {
    color: var(--mb-accent);
    font-size: 1rem;
    flex-shrink: 0;
    width: 1.25rem;
    text-align: center;
}

.mb-page-index .with-nav-tabs .mb-inbox-tabs-dropdown .dropdown-item:hover .mb-inbox-tab-dd-ico,
.mb-page-index .with-nav-tabs .mb-inbox-tabs-dropdown .dropdown-item:focus .mb-inbox-tab-dd-ico {
    color: var(--mb-accent);
}

.mb-page-index .with-nav-tabs .nav-tabs > li > a,
.mb-page-index .with-nav-tabs .nav-tabs .nav-link {
    border: none !important;
    border-radius: var(--mb-radius-sm) var(--mb-radius-sm) 0 0 !important;
    color: var(--mb-text-muted) !important;
    white-space: nowrap;
    padding: 0.65rem 1rem !important;
}

.mb-page-index .with-nav-tabs .nav-tabs > li.active > a,
.mb-page-index .with-nav-tabs .nav-tabs .nav-link.active {
    background: var(--mb-surface) !important;
    color: var(--mb-accent) !important;
    font-weight: 600;
}

.mb-page-index .with-nav-tabs .panel-body {
    position: relative;
    z-index: 0;
    padding: 0 !important;
    background: var(--mb-surface) !important;
    border-radius: 0 0 var(--mb-radius) var(--mb-radius);
    overflow: hidden;
}

.mb-page-index .with-nav-tabs .tab-content {
    padding: 0.25rem 0 0.5rem;
    position: relative;
    z-index: 0;
}

/* Mail list — card-like rows */
.mb-page-index .mail-list > li {
    margin: 0 0.75rem 0.5rem;
    padding: 1rem 1rem 1rem 0.75rem !important;
    border: 1px solid var(--mb-border) !important;
    background: var(--mb-surface) !important;
    border-radius: var(--mb-radius-sm) !important;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

[data-bs-theme="dark"] .mb-page-index .mail-list > li {
    box-shadow: none;
}

.mb-page-index .mail-list > li:nth-child(odd) {
    background: var(--mb-surface-2) !important;
}

.mb-page-index .mail-list > li:hover {
    border-color: color-mix(in srgb, var(--mb-accent) 40%, var(--mb-border-strong)) !important;
    background: var(--mb-row-hover) !important;
}

.mb-page-index .mail-subject a {
    font-size: 0.9375rem;
    line-height: 1.45;
}

.mb-page-index .mail-from a {
    font-weight: 600;
    color: var(--mb-text) !important;
}

.mb-page-index .mail-time {
    font-size: 0.8rem;
    color: var(--mb-text-muted) !important;
}

.mb-page-index .mail-time time {
    color: inherit;
}

/* Panel footer pagination */
.mb-inbox-main .panel-footer {
    background: var(--mb-surface-2) !important;
    border-top: 1px solid var(--mb-border) !important;
    padding: 1rem 1.25rem !important;
    border-radius: 0 0 var(--mb-radius) var(--mb-radius);
}

/* Aside tabs: global styles in mailbox-theme.css (#aside-container) */

/* Footer polish */
.mb-page-index #footer {
    border-top: 1px solid var(--mb-border-strong);
    margin-top: 1rem;
}

/* Navbar — index keeps a bit more vertical room (flex + float-end from mailbox-theme.css) */
.mb-page-index .navbar-content {
    min-height: 3.25rem;
    gap: 0.35rem;
}

/* Dropdown menus in navbar */
.mb-page-index .navbar-top-links .dropdown-menu {
    margin-top: 0.35rem;
}

/* Mega dropdown toggle alignment */
.mb-page-index .mega-dropdown-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ---- Navbar brand (index) ---- */
.mb-page-index .mb-navbar-brand {
    display: inline-flex !important;
    align-items: center;
    gap: 0.65rem;
}

.mb-page-index .mb-brand-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 10px;
    background: linear-gradient(145deg, var(--mb-accent) 0%, var(--mb-accent-hover) 100%);
    color: var(--mb-accent-contrast) !important;
    font-size: 1.05rem;
    box-shadow: 0 4px 14px color-mix(in srgb, var(--mb-accent) 40%, transparent);
}

/* ---- Hero glow + hint ---- */
.mb-index-hero-glow {
    position: absolute;
    width: min(520px, 90vw);
    height: min(520px, 90vw);
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--mb-accent) 22%, transparent) 0%, transparent 70%);
    top: -40%;
    right: -8%;
    pointer-events: none;
    z-index: 0;
}

.mb-index-hint {
    margin: 0.85rem 0 0;
    font-size: 0.8rem;
    color: var(--mb-text-muted);
    line-height: 1.5;
}

.mb-page-index .mb-kbd {
    display: inline-block;
    padding: 0.12rem 0.4rem;
    font-size: 0.7rem;
    font-family: var(--mb-font-sans);
    font-weight: 600;
    line-height: 1;
    color: var(--mb-text);
    background: var(--mb-surface-2);
    border: 1px solid var(--mb-border-strong);
    border-radius: 4px;
    box-shadow: 0 1px 0 var(--mb-border);
    margin-right: 0.2rem;
}

.mb-index-search-meta {
    font-size: 0.75rem !important;
    letter-spacing: 0.02em;
}

/* ---- Hero stats strip ---- */
.mb-index-stats {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--mb-border);
}

@media (min-width: 768px) {
    .mb-index-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    .mb-stat-card-wide {
        grid-column: 1 / -1;
    }
}

@media (min-width: 992px) {
    .mb-index-stats {
        grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(12rem, 1.35fr);
    }
    .mb-stat-card-wide {
        grid-column: auto;
    }
}

.mb-stat-card {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.85rem 0.9rem;
    border-radius: var(--mb-radius-sm);
    background: color-mix(in srgb, var(--mb-surface) 75%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--mb-border);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: transform var(--mb-motion-duration), border-color var(--mb-motion-duration), box-shadow var(--mb-motion-duration);
}

[data-bs-theme="dark"] .mb-stat-card {
    background: color-mix(in srgb, var(--mb-surface) 88%, transparent);
    box-shadow: none;
}

.mb-stat-card:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--mb-accent) 35%, var(--mb-border-strong));
    box-shadow: var(--mb-shadow);
}

.mb-stat-card-wide {
    flex-wrap: wrap;
}

.mb-stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 8px;
    background: var(--mb-accent-soft);
    font-size: 1rem;
}

.mb-stat-icon.text-warning {
    background: color-mix(in srgb, #f59e0b 18%, transparent);
}

.mb-stat-icon.text-info {
    background: color-mix(in srgb, #0ea5e9 18%, transparent);
}

.mb-stat-icon.text-success {
    background: color-mix(in srgb, var(--mb-accent) 15%, transparent);
}

.mb-stat-body {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    min-width: 0;
}

.mb-stat-value {
    font-family: var(--mb-font-display), var(--mb-font-sans);
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--mb-text) !important;
    letter-spacing: -0.02em;
}

.mb-stat-unit {
    font-size: 0.65em;
    font-weight: 600;
    opacity: 0.75;
    margin-left: 0.1em;
}

.mb-stat-label {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--mb-text-muted);
    line-height: 1.25;
}

.mb-stat-progress {
    width: 100%;
    flex-basis: 100%;
    height: 4px;
    border-radius: 999px;
    background: var(--mb-border);
    overflow: hidden;
    margin-top: 0.35rem;
}

.mb-stat-progress > span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--mb-accent), var(--mb-accent-hover));
}

/* ---- Welcome / status strip ---- */
.mb-index-welcome {
    background: linear-gradient(
        105deg,
        color-mix(in srgb, var(--mb-accent-soft) 80%, var(--mb-surface)) 0%,
        var(--mb-surface) 55%
    ) !important;
    border-radius: var(--mb-radius) !important;
    box-shadow: var(--mb-shadow);
    border: 1px solid var(--mb-border-strong) !important;
}

html[data-bs-theme="dark"] .mb-page-index .mb-index-welcome {
    background: linear-gradient(
        105deg,
        color-mix(in srgb, var(--mb-accent) 14%, var(--mb-surface)) 0%,
        var(--mb-surface) 50%,
        color-mix(in srgb, var(--mb-surface-2) 70%, var(--mb-surface)) 100%
    ) !important;
}

.mb-page-index .mb-index-welcome .small,
.mb-page-index .mb-index-welcome time {
    color: var(--mb-text-muted) !important;
}

.mb-welcome-icon {
    width: 2.75rem;
    height: 2.75rem;
    background: linear-gradient(135deg, var(--mb-accent) 0%, var(--mb-accent-hover) 100%);
    color: var(--mb-accent-contrast);
    font-size: 1.25rem;
}

.mb-index-welcome-title {
    font-size: 0.95rem;
    color: var(--mb-text) !important;
}

/* ---- Sidebar profile + sections ---- */
.mb-sidebar-profile {
    background: linear-gradient(180deg, var(--mb-surface-2) 0%, var(--mb-surface) 100%);
}

.mb-avatar-ring {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    padding: 2px;
    background: linear-gradient(135deg, var(--mb-accent), color-mix(in srgb, var(--mb-accent) 40%, #6366f1));
    box-shadow: 0 4px 16px color-mix(in srgb, var(--mb-accent) 25%, transparent);
}

.mb-avatar-initials {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--mb-surface);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--mb-accent);
    letter-spacing: 0.04em;
}

.mb-sidebar-name {
    color: var(--mb-text) !important;
}

.mb-sync-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--mb-accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--mb-accent) 25%, transparent);
    animation: mb-pulse 2.2s ease-in-out infinite;
}

@keyframes mb-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.55; }
}

@media (prefers-reduced-motion: reduce) {
    .mb-sync-dot {
        animation: none;
    }
}

.mb-sidebar-gear {
    border-color: var(--mb-border-strong) !important;
}

.mb-sidebar-quick .btn {
    font-size: 0.75rem;
    font-weight: 600;
}

.mb-section-head {
    margin-bottom: 0.35rem;
}

.mb-section-title {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--mb-text-muted) !important;
}

.mb-label-cloud.list-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-left: 0 !important;
    padding: 0 1rem 1rem !important;
}

.mb-label-cloud .tag.tag-sm {
    margin: 0 !important;
}

/* ---- Inbox filters ---- */
.mb-inbox-filters {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

@media (min-width: 576px) {
    .mb-inbox-filters {
        flex-direction: row;
        align-items: center;
    }
}

.mb-filter-label {
    font-weight: 600;
    letter-spacing: 0.08em;
    flex-shrink: 0;
}

.mb-filter-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.mb-filter-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--mb-text-muted);
    text-decoration: none;
    border-radius: 999px;
    border: 1px solid var(--mb-border-strong);
    background: var(--mb-surface);
    transition: color var(--mb-motion-duration), background var(--mb-motion-duration), border-color var(--mb-motion-duration), transform var(--mb-motion-duration);
}

.mb-filter-pill:hover {
    color: var(--mb-accent);
    border-color: color-mix(in srgb, var(--mb-accent) 45%, var(--mb-border-strong));
    background: var(--mb-accent-soft);
    transform: translateY(-1px);
}

.mb-filter-pill.active {
    color: var(--mb-accent-contrast) !important;
    background: var(--mb-accent) !important;
    border-color: transparent !important;
}

.mb-filter-pill:focus-visible {
    outline: 2px solid var(--mb-accent);
    outline-offset: 2px;
}

.mb-filter-count {
    display: inline-block;
    min-width: 1.15rem;
    padding: 0 0.35rem;
    font-size: 0.65rem;
    line-height: 1.25rem;
    text-align: center;
    border-radius: 999px;
    background: var(--mb-surface-2);
    color: var(--mb-text);
}

.mb-filter-pill.active .mb-filter-count {
    background: color-mix(in srgb, var(--mb-accent-contrast) 22%, transparent);
    color: inherit;
}

.mb-inbox-lede {
    max-width: 42rem;
}

/* ---- Mail list enrichment ---- */
.mb-page-index .mail-list > li.mail-attach .mail-attach-icon {
    color: var(--mb-accent);
}

.mb-page-index .mail-star > a:hover {
    color: var(--mb-accent) !important;
}

.mb-page-index .mail-starred .mail-star > a {
    color: #f59e0b !important;
}

[data-bs-theme="dark"] .mb-page-index .mail-starred .mail-star > a {
    color: #fbbf24 !important;
}

/* ---- Panel footer detail ---- */
.mb-inbox-main .panel-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.mb-inbox-main .panel-footer .float-end {
    float: none !important;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* ---- Insights strip ---- */
.mb-insights-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    padding: 0.65rem 0.75rem;
    border-radius: var(--mb-radius-sm);
    background: linear-gradient(
        120deg,
        var(--mb-surface-2) 0%,
        color-mix(in srgb, var(--mb-accent-soft) 65%, var(--mb-surface-2)) 100%
    );
    border: 1px solid var(--mb-border);
}

.mb-insight {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    flex: 1 1 12rem;
    min-width: 0;
    padding: 0.5rem 0.65rem;
    border-radius: 8px;
    background: var(--mb-surface);
    border: 1px solid var(--mb-border);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.mb-insight-accent {
    border-color: color-mix(in srgb, var(--mb-accent) 35%, var(--mb-border-strong));
    background: color-mix(in srgb, var(--mb-accent-soft) 40%, var(--mb-surface));
}

.mb-insight-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 8px;
    background: var(--mb-accent-soft);
    color: var(--mb-accent);
    flex-shrink: 0;
}

.mb-insight-value {
    display: block;
    font-family: var(--mb-font-display), var(--mb-font-sans);
    font-weight: 700;
    font-size: 1.1rem;
    line-height: 1.2;
    color: var(--mb-text) !important;
}

.mb-insight-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--mb-text-muted);
    line-height: 1.35;
    margin-top: 0.15rem;
}

/* ---- Toolbar density buttons ---- */
.mb-page-index .mb-mail-toolbar .mb-toolbar-density .mb-density-btn.active {
    background: var(--mb-accent-soft) !important;
    border-color: var(--mb-accent) !important;
    color: var(--mb-accent) !important;
}

/* ---- Enriched mail rows ---- */
.mb-page-index .mail-list > li.mb-mail-row .mb-mail-avatar {
    float: left;
    width: 2.35rem;
    height: 2.35rem;
    margin: 0 0.45rem 0 0;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--mb-accent-contrast);
    background: linear-gradient(145deg, var(--mb-accent) 0%, var(--mb-accent-hover) 100%);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--mb-accent) 30%, transparent);
    line-height: 1;
}

.mb-page-index .mail-list > li.mb-mail-row .mb-mail-avatar-alt {
    background: linear-gradient(145deg, #6366f1 0%, #4f46e5 100%);
}

.mb-page-index .mail-list > li.mb-mail-row .mb-mail-avatar-alt2 {
    background: linear-gradient(145deg, #0061fe 0%, #0052d4 100%);
}

.mb-page-index .mail-list > li.mb-mail-row .mb-mail-snippet {
    display: none;
    margin: 0.35rem 0 0;
    padding: 0;
    font-size: 0.8125rem;
    line-height: 1.5;
    color: var(--mb-text-snippet);
    max-width: 100%;
    overflow: hidden;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

@media (min-width: 992px) {
    .mb-page-index .mail-list > li.mb-mail-row .mb-mail-snippet {
        display: -webkit-box;
    }
}

.mb-page-index ul#mailbox-mail-list.mb-density-compact > li {
    padding-top: 0.55rem !important;
    padding-bottom: 0.55rem !important;
}

.mb-page-index ul#mailbox-mail-list.mb-density-compact > li.mb-mail-row .mb-mail-snippet {
    display: none !important;
}

.mb-page-index ul#mailbox-mail-list.mb-density-compact > li .mb-mail-avatar {
    width: 2rem;
    height: 2rem;
    font-size: 0.65rem;
}

/* ---- Panel footer bulk actions ---- */
.mb-panel-footer-rich .mb-footer-actions {
    margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
    .mb-panel-footer-rich .mb-footer-actions {
        margin-bottom: 0;
    }
}

.mb-panel-footer-rich .mb-footer-actions .btn {
    border-radius: var(--mb-radius-sm) !important;
}

.mb-page-index .mb-inbox-main .panel-footer.mb-panel-footer-rich {
    background: linear-gradient(
        180deg,
        var(--mb-surface) 0%,
        var(--mb-surface-2) 100%
    ) !important;
}

.mb-page-index .mb-panel-footer-rich .mb-footer-actions .btn-outline-secondary {
    border-color: var(--mb-border-strong) !important;
    color: var(--mb-text-muted) !important;
    background-color: color-mix(in srgb, var(--mb-surface) 60%, transparent) !important;
}

.mb-page-index .mb-panel-footer-rich .mb-footer-actions .btn-outline-secondary:hover,
.mb-page-index .mb-panel-footer-rich .mb-footer-actions .btn-outline-secondary:focus {
    background-color: var(--mb-accent-soft) !important;
    border-color: color-mix(in srgb, var(--mb-accent) 45%, var(--mb-border-strong)) !important;
    color: var(--mb-accent) !important;
}

.mb-page-index .mb-footer-range .text-body {
    color: var(--mb-text) !important;
    font-weight: 600;
}

.mb-page-index .mb-footer-pager-btns .btn-secondary {
    background-color: color-mix(in srgb, var(--mb-surface) 88%, var(--mb-surface-2)) !important;
    border-color: var(--mb-border-strong) !important;
    color: var(--mb-text) !important;
    font-weight: 500;
    transition: background-color var(--mb-motion-duration), border-color var(--mb-motion-duration), color var(--mb-motion-duration);
}

.mb-page-index .mb-footer-pager-btns .btn-secondary:hover,
.mb-page-index .mb-footer-pager-btns .btn-secondary:focus-visible {
    background-color: var(--mb-accent-soft) !important;
    border-color: color-mix(in srgb, var(--mb-accent) 40%, var(--mb-border-strong)) !important;
    color: var(--mb-accent) !important;
}

.mb-page-index .mb-footer-pager-btns .btn-secondary:first-child {
    border-radius: var(--mb-radius-sm) 0 0 var(--mb-radius-sm) !important;
}

.mb-page-index .mb-footer-pager-btns .btn-secondary:last-child {
    border-radius: 0 var(--mb-radius-sm) var(--mb-radius-sm) 0 !important;
}

/* ---- Toast ---- */
.mb-index-toast-wrap {
    z-index: 10900;
}

.mb-index-toast {
    background: var(--mb-surface) !important;
    color: var(--mb-text) !important;
    border: 1px solid var(--mb-border-strong) !important;
    box-shadow: var(--mb-shadow-lg);
}

.mb-index-toast .toast-header {
    background: transparent;
    border-bottom-color: var(--mb-border);
    color: var(--mb-text);
}

/* ---- Mobile compose FAB ---- */
.mb-fab-compose {
    position: fixed;
    right: 1.25rem;
    bottom: calc(1.25rem + env(safe-area-inset-bottom, 0));
    z-index: 1040;
    width: 3.5rem;
    height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 10px 28px color-mix(in srgb, var(--mb-accent) 45%, transparent) !important;
    transition: transform var(--mb-motion-duration);
}

.mb-fab-compose:hover {
    transform: scale(1.06);
    color: var(--mb-accent-contrast) !important;
}

@media (prefers-reduced-motion: reduce) {
    .mb-fab-compose {
        transition: none;
    }
    .mb-fab-compose:hover {
        transform: none;
    }
}

/* Skip link above chrome */
.mb-skip-link {
    z-index: 11000;
    top: 0.5rem;
    left: 0.5rem;
}

/* Selection summary bar */
.mb-selection-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--bs-border-radius, 0.375rem);
    background: var(--mb-surface-2);
    border: 1px solid var(--mb-border);
}

.mb-selection-count {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--mb-text);
}

/* Refresh: skeleton list (replaces full-panel overlay on index) */
.mb-inbox-list-wrap {
    min-height: 12rem;
}

.mb-mail-skeleton {
    position: absolute;
    inset: 0;
    z-index: 30;
    background: var(--mb-surface);
    border-radius: var(--bs-border-radius, 0.375rem);
    box-shadow: inset 0 0 0 1px var(--mb-border);
    overflow: hidden;
}

.mb-mail-skeleton-inner {
    padding: 0.35rem 0 0.5rem;
}

.mb-mail-skeleton-list .mb-skel-row {
    display: grid;
    grid-template-columns: 2.5rem 1fr;
    gap: 0.65rem 1rem;
    align-items: center;
    padding: 0.55rem 1rem;
    border-bottom: 1px solid var(--mb-border);
}

.mb-skel-avatar {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: linear-gradient(
        90deg,
        var(--mb-surface-2) 0%,
        color-mix(in srgb, var(--mb-surface-2) 70%, var(--mb-text-muted)) 50%,
        var(--mb-surface-2) 100%
    );
    background-size: 200% 100%;
    animation: mb-skel-shimmer 1.15s ease-in-out infinite;
}

.mb-skel-lines {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    min-width: 0;
}

.mb-skel-line {
    display: block;
    height: 0.5rem;
    border-radius: 0.25rem;
    background: linear-gradient(
        90deg,
        var(--mb-surface-2) 0%,
        color-mix(in srgb, var(--mb-surface-2) 65%, var(--mb-text-muted)) 50%,
        var(--mb-surface-2) 100%
    );
    background-size: 200% 100%;
    animation: mb-skel-shimmer 1.15s ease-in-out infinite;
}

.mb-skel-w-30 {
    width: 30%;
}
.mb-skel-w-35 {
    width: 35%;
}
.mb-skel-w-38 {
    width: 38%;
}
.mb-skel-w-40 {
    width: 40%;
}
.mb-skel-w-45 {
    width: 45%;
}
.mb-skel-w-50 {
    width: 50%;
}
.mb-skel-w-70 {
    width: 70%;
}
.mb-skel-w-75 {
    width: 75%;
}
.mb-skel-w-80 {
    width: 80%;
}
.mb-skel-w-88 {
    width: 88%;
}
.mb-skel-w-90 {
    width: 90%;
}
.mb-skel-w-95 {
    width: 95%;
}

@keyframes mb-skel-shimmer {
    0% {
        background-position: 100% 0;
    }
    100% {
        background-position: -100% 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .mb-skel-avatar,
    .mb-skel-line {
        animation: none;
        background: var(--mb-surface-2);
    }
}

/* Empty Primary inbox (e.g. ?demo=empty) */
.mb-empty-inbox {
    padding: clamp(2rem, 6vw, 3.5rem) 1rem;
    border: 1px dashed var(--mb-border);
    border-radius: var(--bs-border-radius, 0.375rem);
    background: color-mix(in srgb, var(--mb-surface) 96%, var(--mb-accent-soft));
}

/* ---- Compose & message (modern shell) ---- */
.mb-page-compose .mb-compose-panel .form-label,
.mb-page-message .mb-message-panel .form-label {
    font-weight: 500;
    color: var(--mb-text-muted);
    margin-bottom: 0.35rem;
}

.mb-page-compose .mailbox-compose-card {
    margin-top: 0.35rem;
}

.mb-page-message .mb-message-canvas {
    border: 1px solid var(--mb-border-strong);
    border-radius: var(--mb-radius);
    background: color-mix(in srgb, var(--mb-surface) 94%, var(--mb-surface-2));
    padding: clamp(1rem, 2.5vw, 1.35rem);
    line-height: 1.65;
    color: var(--mb-text);
}

.mb-page-compose .mb-compose-field {
    border-radius: var(--mb-radius-sm);
}

.mb-page-message .mb-message-canvas blockquote {
    border-left: 3px solid var(--mb-accent);
    padding-left: 1rem;
    margin: 1rem 0;
    color: var(--mb-text-muted);
}

.mb-page-compose .mb-compose-actions,
.mb-page-message .mb-message-actions {
    gap: 0.5rem;
    flex-wrap: wrap;
}

.letter-spacing-tight {
    letter-spacing: 0.04em;
}

/* Message view — toolbar & attachments (theme-safe) */
.mb-page-message .mb-message-toolbar {
    border-bottom: 1px solid var(--mb-border-strong);
    padding-bottom: 1rem !important;
    margin-bottom: 1rem !important;
}

.mb-page-message .mb-message-toolbar .btn-group .btn-primary {
    box-shadow: 0 1px 0 color-mix(in srgb, var(--mb-text) 6%, transparent);
}

.mb-page-message .mb-message-toolbar-reply .btn + .btn {
    margin-left: -1px;
}

.mb-page-message .mb-message-attachments {
    border-bottom: 1px solid var(--mb-border-strong);
    padding-bottom: 1.5rem;
}

.mb-page-message .mb-message-attach-ico {
    width: 2rem;
    height: 2rem;
    font-size: 0.95rem;
    background: var(--mb-accent-soft);
    color: var(--mb-accent);
}

.mb-page-message .mb-attach-action-link {
    font-weight: 500;
    color: var(--mb-link);
    text-decoration: none;
}

.mb-page-message .mb-attach-action-link:hover {
    color: var(--mb-accent-hover);
    text-decoration: underline;
}

.mb-page-message .mb-mail-attach-grid.list-ov {
    gap: 0.85rem;
}

.mb-page-message .mb-attach-tile.thumbnail {
    min-width: 7.5rem;
    max-width: 10.5rem;
    padding: 0.5rem;
}

.mb-page-message .mb-attach-thumb-wrap {
    border-radius: var(--mb-radius-sm);
    overflow: hidden;
    background: color-mix(in srgb, var(--mb-surface-2) 88%, var(--mb-border));
}

.mb-page-message .mb-attach-file-icon {
    min-height: 5.5rem;
    border-radius: var(--mb-radius-sm);
    background: color-mix(in srgb, var(--mb-surface-2) 92%, var(--mb-accent) 8%);
    color: var(--mb-accent);
}

.mb-page-message .mb-attach-filename {
    color: var(--mb-text);
    font-weight: 600;
    line-height: 1.3;
}

.mb-page-message .mb-attach-tile:hover .mb-attach-filename {
    color: var(--mb-link);
}

.mb-page-message .mail-attach-list .thumbnail {
    border-radius: var(--mb-radius);
    border: 1px solid var(--mb-border-strong);
    background: color-mix(in srgb, var(--mb-surface) 96%, var(--mb-surface-2));
    transition: border-color var(--mb-motion-duration), box-shadow var(--mb-motion-duration),
        transform var(--mb-motion-duration);
}

.mb-page-message .mail-attach-list .thumbnail:hover {
    border-color: color-mix(in srgb, var(--mb-accent) 40%, var(--mb-border-strong));
    box-shadow: var(--mb-shadow);
    transform: translateY(-1px);
}

/* Compose — sheet layout */
.mb-page-compose .mb-compose-sheet-head {
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--mb-border-strong);
}

.mb-page-compose .mb-compose-head-icon {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(
        145deg,
        color-mix(in srgb, var(--mb-accent) 22%, var(--mb-surface-2)),
        color-mix(in srgb, var(--mb-accent-soft) 90%, var(--mb-surface))
    );
    color: var(--mb-accent);
    box-shadow: 0 1px 0 color-mix(in srgb, var(--mb-text) 5%, transparent);
}

.mb-page-compose .mb-compose-eyebrow {
    color: var(--mb-text-muted);
}

.mb-page-compose .mb-compose-lede {
    max-width: 42rem;
}

.mb-page-compose .mb-compose-cc-toolbar {
    padding: 0.5rem 0.65rem;
    border-radius: var(--mb-radius);
    background: color-mix(in srgb, var(--mb-surface-2) 94%, var(--mb-surface));
    border: 1px solid var(--mb-border);
}

.mb-page-compose .mb-compose-cc-toolbar .btn-check:checked + .btn,
.mb-page-compose .mb-compose-toggle-cc.active,
.mb-page-compose .mb-compose-toggle-bcc.active {
    background-color: var(--mb-accent-soft) !important;
    border-color: color-mix(in srgb, var(--mb-accent) 45%, var(--mb-border-strong)) !important;
    color: var(--mb-accent) !important;
}

.mb-page-compose .mb-compose-fields {
    background: color-mix(in srgb, var(--mb-surface) 92%, var(--mb-surface-2));
    border: 1px solid var(--mb-border-strong);
}

.mb-page-compose .mb-compose-fields .mb-compose-field {
    background-color: var(--mb-surface) !important;
}

.mb-page-compose .mb-compose-attach-row {
    background: color-mix(in srgb, var(--mb-surface-2) 88%, var(--mb-surface));
    border: 1px dashed color-mix(in srgb, var(--mb-border-strong) 70%, var(--mb-accent));
}

.mb-page-compose .mb-compose-file-btn.btn-file input[type="file"] {
    background: transparent !important;
}

.mb-page-compose .mb-compose-actions {
    border-top: 1px solid var(--mb-border-strong);
    padding-top: 1rem !important;
    margin-top: 1rem !important;
}

.mb-page-compose .mb-compose-editor-label {
    margin-top: 0.25rem;
}

.mb-page-compose .mailbox-compose-card .note-editor.note-frame {
    border-radius: var(--mb-radius) !important;
}

/* Display font utility (auth, 404) */
.mb-font-display {
    font-family: var(--mb-font-display), var(--mb-font-sans);
}

/* Auth pages */
.mb-auth-page {
    background: var(--mb-bg);
    color: var(--mb-text);
}

.mb-auth-bg {
    background: linear-gradient(
        165deg,
        color-mix(in srgb, var(--mb-surface) 88%, var(--mb-accent-soft)),
        var(--mb-bg) 45%,
        var(--mb-bg)
    );
}

.mb-auth-header {
    border-bottom: 1px solid var(--mb-border-strong);
    background: color-mix(in srgb, var(--mb-navbar-bar) 92%, transparent);
    backdrop-filter: blur(8px);
}

.mb-auth-card {
    background: var(--mb-surface) !important;
    border: 1px solid var(--mb-border-strong) !important;
    border-radius: var(--mb-radius) !important;
    box-shadow: var(--mb-shadow) !important;
}

.mb-auth-form a {
    color: var(--mb-link);
}

/* 404 */
.mb-404-page {
    background: var(--mb-bg);
    color: var(--mb-text);
}

.mb-404-wrap {
    background: linear-gradient(
        165deg,
        color-mix(in srgb, var(--mb-surface) 85%, var(--mb-accent-soft)),
        var(--mb-bg)
    );
}

.mb-404-card {
    background: var(--mb-surface);
    border: 1px solid var(--mb-border-strong);
    border-radius: var(--mb-radius);
    box-shadow: var(--mb-shadow);
}

/* Contacts */
.mb-contacts-table-wrap {
    border-radius: var(--mb-radius);
    border: 1px solid var(--mb-border-strong);
    overflow: hidden;
    background: var(--mb-surface);
}

.mb-page-contacts .table {
    margin-bottom: 0;
    color: var(--mb-text);
}

.mb-page-contacts .table thead th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--mb-text-muted);
    border-bottom-color: var(--mb-border-strong);
    background: color-mix(in srgb, var(--mb-surface-2) 90%, var(--mb-surface));
}

.mb-page-contacts .table td {
    border-color: var(--mb-border);
    vertical-align: middle;
}