/**
 * Email module — SaaS/ERP visual system (shared across Mail pages).
 * Relies on MudBlazor CSS variables for theme alignment.
 */
:root {
    --email-nav-radius: 12px;
    --email-hero-radius: 16px;
    --email-surface-elev: 0 8px 28px rgba(15, 23, 42, 0.07), 0 2px 8px rgba(15, 23, 42, 0.04);
}

/* Hero bars (gradient headers on Mail pages) */
.email-header-gradient,
.email-module-hero {
    position: relative;
    overflow: hidden;
    border-radius: var(--email-hero-radius) !important;
    background:
        radial-gradient(120% 80% at 100% 0%, rgba(255, 255, 255, 0.14) 0%, transparent 55%),
        linear-gradient(135deg, var(--mud-palette-primary) 0%, var(--mud-palette-primary-darken) 48%, color-mix(in srgb, var(--mud-palette-secondary) 55%, var(--mud-palette-primary-darken)) 100%);
    box-shadow: var(--email-surface-elev);
}

.email-header-gradient::after,
.email-module-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    border-radius: inherit;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

/* Sub-navigation — module wayfinding */
.email-module-nav {
    border-radius: var(--email-nav-radius) !important;
    border: 1px solid rgba(var(--mud-palette-lines-default-rgb), 0.65);
    background: linear-gradient(180deg, rgba(var(--mud-palette-surface-rgb), 0.98) 0%, rgba(var(--mud-palette-background-gray-rgb), 0.35) 100%);
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
}

.email-mod-nav__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}

.email-mod-nav__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 0.8125rem;
    font-weight: 600;
    text-decoration: none !important;
    color: var(--mud-palette-text-primary) !important;
    border: 1px solid transparent;
    transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.12s ease;
    white-space: nowrap;
}

.email-mod-nav__link:hover {
    background: rgba(var(--mud-palette-primary-rgb), 0.08);
    border-color: rgba(var(--mud-palette-primary-rgb), 0.12);
}

.email-mod-nav__link:focus-visible {
    outline: 2px solid var(--mud-palette-primary);
    outline-offset: 2px;
}

.email-mod-nav__link--active {
    background: rgba(var(--mud-palette-primary-rgb), 0.14);
    border-color: rgba(var(--mud-palette-primary-rgb), 0.22);
    color: var(--mud-palette-primary) !important;
}

.email-mod-nav__link .mud-icon-root {
    font-size: 1.1rem !important;
    opacity: 0.9;
}

/* Smart Mail header shared across Mail pages */
.email-smart-header {
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.email-smart-header__avatar {
    background: rgba(255,255,255,0.2);
    color: white;
}

.email-smart-header__back {
    color: white !important;
    border: 1px solid rgba(255,255,255,0.24);
    background: rgba(255,255,255,0.1);
}

.email-smart-header__kicker {
    color: rgba(255,255,255,0.72);
    font-weight: 700;
    letter-spacing: 0.08em;
}

.email-smart-header__title {
    color: white;
    font-weight: 600;
}

.email-smart-header__subtitle {
    color: rgba(255,255,255,0.9);
    max-width: 720px;
}

.email-smart-header__panel {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 14px;
    backdrop-filter: blur(10px);
}

.email-smart-header__chip {
    background: rgba(255,255,255,0.18) !important;
    color: white !important;
    border: 1px solid rgba(255,255,255,0.25);
}

.email-smart-header__chip--outline {
    color: rgba(255,255,255,0.92) !important;
    border-color: rgba(255,255,255,0.28) !important;
}

.email-smart-header__primary-action {
    color: white !important;
}

.email-smart-header__secondary-action {
    color: white !important;
    border-color: rgba(255,255,255,0.42) !important;
}

/* Primary content cards in Mail */
.email-inbox-container .mud-paper.elevation-1:not(.email-header-gradient),
.email-compose-container .mud-paper.elevation-1:not(.email-header-gradient),
.email-settings-container .mud-paper.elevation-1:not(.email-header-gradient),
.email-templates-container .mud-paper.elevation-1:not(.email-header-gradient),
.email-analytics-container .mud-paper.elevation-1:not(.email-header-gradient),
.email-message-container .mud-paper.elevation-1:not(.email-header-gradient),
.email-dashboard .mud-paper.elevation-1:not(.email-header-gradient) {
    border: 1px solid rgba(var(--mud-palette-lines-default-rgb), 0.55);
    box-shadow: var(--email-surface-elev);
}

/* Account switcher on light / dark hero */
.email-account-switcher .mud-input-outlined-border {
    border-color: rgba(255, 255, 255, 0.45) !important;
}

.email-account-switcher .mud-input-label,
.email-account-switcher .mud-input-slot.mud-input-root-adornment .mud-icon-root {
    color: rgba(255, 255, 255, 0.92) !important;
}

.email-account-switcher .mud-input-control > .mud-input-root {
    color: #fff !important;
}

.email-account-switcher .mud-input-helper-text {
    color: rgba(255, 255, 255, 0.72) !important;
}

@media (max-width: 600px) {
    .email-mod-nav__link {
        padding: 6px 10px;
        font-size: 0.75rem;
    }
}

/* ===== Command-center alignment (matches Account settings) ===== */
.email-module-nav {
    position: sticky;
    top: 0;
    z-index: 3;
    padding: 9px;
    border: 1px solid color-mix(in srgb, var(--mud-palette-primary) 16%, var(--mud-palette-divider)) !important;
    border-radius: 18px !important;
    background:
        radial-gradient(circle at 0 0, color-mix(in srgb, var(--mud-palette-primary) 12%, transparent), transparent 32%),
        linear-gradient(135deg,
            color-mix(in srgb, var(--mud-palette-surface) 92%, var(--mud-palette-primary)),
            color-mix(in srgb, var(--mud-palette-surface) 98%, var(--mud-palette-primary))) !important;
    box-shadow: 0 14px 36px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(14px);
}

.email-mod-nav__inner {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    align-items: center;
    overflow-x: auto;
    padding: 1px;
}

.email-mod-nav__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 36px;
    padding: 8px 16px;
    border-radius: 999px;
    color: color-mix(in srgb, var(--mud-palette-text-primary) 68%, var(--mud-palette-primary));
    font-size: .875rem;
    font-weight: 650;
    border: 1px solid transparent;
    background: color-mix(in srgb, var(--mud-palette-surface) 76%, transparent);
    white-space: nowrap;
    transition: transform 140ms ease, background-color 140ms ease, color 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.email-mod-nav__link:hover {
    transform: translateY(-1px);
    background: color-mix(in srgb, var(--mud-palette-primary) 10%, var(--mud-palette-surface));
    color: var(--mud-palette-text-primary);
    border-color: color-mix(in srgb, var(--mud-palette-primary) 16%, transparent);
}

.email-mod-nav__link--active {
    background: linear-gradient(135deg,
        var(--mud-palette-primary),
        color-mix(in srgb, var(--mud-palette-primary) 76%, var(--mud-palette-success))) !important;
    color: var(--mud-palette-primary-text, #fff) !important;
    border: 1px solid color-mix(in srgb, var(--mud-palette-primary) 84%, var(--mud-palette-primary-text, #fff)) !important;
    box-shadow: 0 9px 20px color-mix(in srgb, var(--mud-palette-primary) 28%, transparent), inset 0 1px 0 rgba(255, 255, 255, .22) !important;
}

.email-smart-header,
.email-header-gradient {
    border-radius: 20px !important;
    color: var(--mud-palette-text-primary) !important;
    background:
        radial-gradient(130% 130% at 0% 0%, color-mix(in srgb, var(--mud-palette-primary) 18%, transparent), transparent 48%),
        radial-gradient(120% 120% at 100% 0%, color-mix(in srgb, var(--mud-palette-secondary, var(--mud-palette-info)) 12%, transparent), transparent 42%),
        linear-gradient(135deg, color-mix(in srgb, var(--mud-palette-primary) 8%, var(--mud-palette-surface)) 0%, var(--mud-palette-surface) 78%) !important;
    border: 1px solid color-mix(in srgb, var(--mud-palette-primary) 14%, var(--mud-palette-divider)) !important;
}

.email-smart-header__avatar {
    background: linear-gradient(135deg, var(--mud-palette-primary), color-mix(in srgb, var(--mud-palette-primary) 60%, var(--mud-palette-secondary, var(--mud-palette-info)))) !important;
    color: var(--mud-palette-primary-text) !important;
    box-shadow: 0 8px 22px color-mix(in srgb, var(--mud-palette-primary) 36%, transparent), inset 0 1px 0 rgba(255, 255, 255, .26);
}

.email-smart-header__back {
    color: var(--mud-palette-text-primary) !important;
    border: 1px solid var(--mud-palette-divider) !important;
}

.email-smart-header__kicker {
    color: var(--mud-palette-primary) !important;
    letter-spacing: 0.08em;
    font-weight: 700;
}

.email-smart-header__title {
    color: var(--mud-palette-text-primary) !important;
    font-weight: 760;
    letter-spacing: -.015em;
}

.email-smart-header__subtitle {
    color: var(--mud-palette-text-secondary) !important;
}

.email-smart-header__panel {
    background: color-mix(in srgb, var(--mud-palette-primary) 6%, var(--mud-palette-surface)) !important;
    border: 1px solid var(--mud-palette-divider) !important;
    border-radius: 14px;
    color: var(--mud-palette-text-primary) !important;
    backdrop-filter: blur(6px);
}

.email-smart-header__chip {
    border-radius: 999px;
    background: color-mix(in srgb, var(--mud-palette-primary) 10%, var(--mud-palette-surface)) !important;
    color: var(--mud-palette-text-primary) !important;
    border: 1px solid color-mix(in srgb, var(--mud-palette-primary) 18%, transparent);
}

.email-smart-header__primary-action {
    color: var(--mud-palette-primary-text, #fff) !important;
}

.email-smart-header__secondary-action {
    color: var(--mud-palette-primary) !important;
    border-color: color-mix(in srgb, var(--mud-palette-primary) 42%, transparent) !important;
}

/* Account switcher now sits on a light hero */
.email-account-switcher .mud-input-outlined-border {
    border-color: var(--mud-palette-divider) !important;
}

.email-account-switcher .mud-input-label,
.email-account-switcher .mud-input-slot.mud-input-root-adornment .mud-icon-root {
    color: var(--mud-palette-text-secondary) !important;
}

.email-account-switcher .mud-input-control > .mud-input-root {
    color: var(--mud-palette-text-primary) !important;
}

.email-account-switcher .mud-input-helper-text {
    color: var(--mud-palette-text-secondary) !important;
}