/* Spark Rack Webmail 1.0.12 */
:root {
    --sr-gold: #e4aa24;
    --sr-gold-dark: #bd8610;
    --sr-navy: #142036;
    --sr-navy-2: #1c2c47;
    --sr-ink: #172033;
    --sr-muted: #697386;
    --sr-bg: #f4f6f9;
    --sr-card: #ffffff;
    --sr-border: #dce2ea;
    --sr-border-strong: #c9d1dc;
    --sr-danger: #c93d4b;
    --sr-success: #23885a;
    --sr-warning: #a76e08;
    --sr-shadow: 0 16px 40px rgba(16, 31, 55, 0.12);
    --sr-radius: 12px;
    --sr-radius-small: 8px;
    --sr-topbar: 64px;
    --sr-sidebar: 240px;
    --sr-list: 410px;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--sr-ink);
    background: var(--sr-bg);
    color-scheme: light;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    background: var(--sr-bg);
    color: var(--sr-ink);
    font-size: 14px;
    line-height: 1.45;
}

body[data-theme="dark"],
body.theme-dark {
    --sr-ink: #e8edf5;
    --sr-muted: #9eabc0;
    --sr-bg: #0d1421;
    --sr-card: #151f30;
    --sr-border: #2b3749;
    --sr-border-strong: #3b485d;
    --sr-navy: #101827;
    --sr-navy-2: #18243a;
    --sr-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
    color-scheme: dark;
}

button,
input,
select,
textarea {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

a {
    color: inherit;
}

button {
    cursor: pointer;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

[hidden] {
    display: none !important;
}

.eyebrow {
    margin: 0 0 4px;
    color: var(--sr-gold-dark);
    font-size: 0.69rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.muted {
    color: var(--sr-muted);
}

.brand-logo {
    display: block;
    width: min(214px, 100%);
    height: auto;
}

.topbar-logo-link {
    display: grid;
    min-width: 0;
    gap: 1px;
    color: inherit;
    text-decoration: none;
}

.topbar-logo {
    display: block;
    width: 148px;
    max-width: 100%;
    height: auto;
}

.topbar-logo-link > span {
    color: #9facbf;
    font-size: 0.64rem;
    font-weight: 650;
    letter-spacing: 0.035em;
}

.button {
    display: inline-flex;
    min-height: 40px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 16px;
    border: 1px solid transparent;
    border-radius: var(--sr-radius-small);
    background: var(--sr-card);
    color: var(--sr-ink);
    font-weight: 750;
    text-decoration: none;
    transition: transform 120ms ease, background 120ms ease, border-color 120ms ease, box-shadow 120ms ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button:active {
    transform: translateY(0);
}

.button-primary {
    border-color: var(--sr-gold);
    background: var(--sr-gold);
    color: #172033;
    box-shadow: 0 7px 18px rgba(228, 170, 36, 0.2);
}

.button-primary:hover {
    background: #ebb63a;
    border-color: #ebb63a;
}

.button-secondary {
    border-color: var(--sr-border);
    background: var(--sr-card);
}

.button-secondary:hover {
    border-color: var(--sr-border-strong);
    background: color-mix(in srgb, var(--sr-card) 92%, var(--sr-gold) 8%);
}

.button-small {
    min-height: 34px;
    padding: 0 12px;
    font-size: 0.81rem;
}

.button-block {
    width: 100%;
}

.icon-button {
    display: inline-grid;
    width: 38px;
    height: 38px;
    flex: 0 0 auto;
    place-items: center;
    border: 1px solid transparent;
    border-radius: 9px;
    background: transparent;
    color: inherit;
    text-decoration: none;
    font-size: 1.03rem;
}

.icon-button:hover {
    border-color: var(--sr-border);
    background: color-mix(in srgb, var(--sr-card) 88%, var(--sr-gold) 12%);
}

.icon-button.danger:hover {
    border-color: color-mix(in srgb, var(--sr-danger) 35%, var(--sr-border));
    color: var(--sr-danger);
}

.field {
    display: grid;
    gap: 7px;
    margin-bottom: 16px;
}

.field > span:first-child,
.compose-addresses label > span {
    color: var(--sr-muted);
    font-size: 0.77rem;
    font-weight: 750;
}

.field input,
.field select,
.field textarea,
.compose-addresses input,
.compose-body,
.settings-card input,
.settings-card select,
.settings-card textarea {
    width: 100%;
    border: 1px solid var(--sr-border);
    border-radius: var(--sr-radius-small);
    outline: none;
    background: var(--sr-card);
    color: var(--sr-ink);
    transition: border-color 120ms ease, box-shadow 120ms ease;
}

.field input,
.field select,
.compose-addresses input,
.settings-card input,
.settings-card select {
    min-height: 42px;
    padding: 0 12px;
}

.field textarea,
.settings-card textarea {
    padding: 10px 12px;
    resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus,
.compose-addresses input:focus,
.compose-body:focus,
.settings-card input:focus,
.settings-card select:focus,
.settings-card textarea:focus {
    border-color: var(--sr-gold);
    box-shadow: 0 0 0 3px rgba(228, 170, 36, 0.15);
}

.password-field {
    position: relative;
    display: block;
}

.password-field input {
    padding-right: 64px;
}

.field-action {
    position: absolute;
    top: 4px;
    right: 4px;
    bottom: 4px;
    padding: 0 10px;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: var(--sr-muted);
    font-size: 0.76rem;
    font-weight: 700;
}

.field-action:hover {
    background: var(--sr-bg);
    color: var(--sr-ink);
}

.checkbox-field {
    display: flex;
    align-items: center;
    gap: 9px;
    margin: 12px 0 18px;
    color: var(--sr-muted);
    font-size: 0.82rem;
}

.checkbox-field input {
    width: 17px;
    height: 17px;
    accent-color: var(--sr-gold);
}

.alert {
    margin: 12px 0;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 0.82rem;
}

.alert-error {
    border: 1px solid color-mix(in srgb, var(--sr-danger) 35%, transparent);
    background: color-mix(in srgb, var(--sr-danger) 10%, var(--sr-card));
    color: var(--sr-danger);
}

.alert-success {
    border: 1px solid color-mix(in srgb, var(--sr-success) 35%, transparent);
    background: color-mix(in srgb, var(--sr-success) 10%, var(--sr-card));
    color: var(--sr-success);
}

.spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(23, 32, 51, 0.25);
    border-top-color: #172033;
    border-radius: 50%;
    animation: spin 750ms linear infinite;
}

.loading .spinner {
    display: inline-block;
}

.loading .button-label {
    opacity: 0.72;
}

.spinner-dark {
    display: inline-block;
    border-color: color-mix(in srgb, var(--sr-muted) 35%, transparent);
    border-top-color: var(--sr-ink);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Login */
.auth-page {
    min-height: 100vh;
    overflow-x: hidden;
    background: #0b0f16;
    color: #f6f7fb;
}

.webmail-login-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) clamp(390px, 29vw, 520px);
    min-height: 100vh;
    background: #0b0f16;
}

.webmail-login-intro {
    position: relative;
    display: flex;
    min-width: 0;
    min-height: 100vh;
    overflow: hidden;
    flex-direction: column;
    justify-content: space-between;
    padding: clamp(42px, 5.1vw, 76px) clamp(42px, 5vw, 74px) 28px;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    background:
        linear-gradient(rgba(118, 139, 174, 0.065) 1px, transparent 1px),
        linear-gradient(90deg, rgba(118, 139, 174, 0.065) 1px, transparent 1px),
        radial-gradient(circle at 14% 92%, rgba(228, 170, 36, 0.16), transparent 31rem),
        radial-gradient(circle at 92% 38%, rgba(171, 75, 21, 0.10), transparent 28rem),
        linear-gradient(130deg, #0c111b 0%, #0d121d 58%, #16110e 100%);
    background-size: 34px 34px, 34px 34px, auto, auto, auto;
}

.webmail-login-intro::after {
    position: absolute;
    right: -8rem;
    bottom: -13rem;
    width: 34rem;
    height: 34rem;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(231, 170, 35, 0.09), transparent 67%);
    content: '';
    pointer-events: none;
}

.webmail-login-intro-content {
    position: relative;
    z-index: 1;
    width: min(100%, 610px);
    margin-top: auto;
    margin-bottom: auto;
}

.webmail-login-logo {
    display: block;
    width: clamp(168px, 13vw, 204px);
    height: auto;
    margin-bottom: 42px;
}

.webmail-login-product {
    display: inline-flex;
    align-items: center;
    min-height: 25px;
    margin: 0 0 15px;
    padding: 0 10px;
    border: 1px solid rgba(231, 173, 39, 0.38);
    border-radius: 999px;
    background: rgba(228, 170, 36, 0.08);
    color: #f0b725;
    font-size: 0.67rem;
    font-weight: 800;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.webmail-login-intro h1 {
    max-width: 570px;
    margin: 0;
    color: #f7f8fb;
    font-size: clamp(1.82rem, 2.35vw, 2.42rem);
    font-weight: 780;
    line-height: 1.08;
    letter-spacing: -0.045em;
}

.webmail-login-intro h1 span {
    color: #efb424;
}

.webmail-login-summary {
    max-width: 545px;
    margin: 18px 0 0;
    color: #a9b9d4;
    font-size: clamp(0.86rem, 1vw, 0.98rem);
    line-height: 1.7;
}

.webmail-login-benefits {
    display: grid;
    gap: 11px;
    margin: 31px 0 0;
    padding: 0;
    list-style: none;
}

.webmail-login-benefits li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #9fb4d6;
    font-size: 0.81rem;
    line-height: 1.4;
}

.webmail-benefit-icon {
    display: inline-grid;
    width: 25px;
    height: 25px;
    flex: 0 0 25px;
    place-items: center;
    border: 1px solid rgba(229, 171, 35, 0.28);
    border-radius: 5px;
    background: rgba(230, 172, 36, 0.08);
}

.webmail-benefit-icon svg {
    width: 14px;
    height: 14px;
    fill: none;
    stroke: #e5ab22;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.webmail-login-footer {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 9px;
    color: #687a9a;
    font-size: 0.67rem;
    line-height: 1.5;
}

.webmail-login-footer strong {
    color: #e6ad24;
    font-weight: 750;
}

.webmail-footer-separator {
    color: #3a465a;
}

.webmail-login-form-panel {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    justify-content: center;
    padding: 34px clamp(28px, 3.1vw, 54px);
    background: #0a0f16;
}

.webmail-login-form-wrap {
    width: min(100%, 390px);
    margin: auto;
}

.webmail-mobile-brand,
.webmail-mobile-footer {
    display: none;
}

.webmail-login-form-heading {
    margin-bottom: 27px;
}

.webmail-login-form-heading h2 {
    margin: 0;
    color: #f8f9fc;
    font-size: 1.3rem;
    font-weight: 770;
    line-height: 1.3;
    letter-spacing: -0.025em;
}

.webmail-login-form-heading p {
    margin: 7px 0 0;
    color: #7186a8;
    font-size: 0.77rem;
    line-height: 1.55;
}

.webmail-login-form {
    display: grid;
    gap: 16px;
}

.webmail-auth-field {
    display: grid;
    gap: 7px;
}

.webmail-auth-field > span:first-child {
    color: #b9c7dd;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.075em;
    text-transform: uppercase;
}

.webmail-auth-control {
    position: relative;
    display: flex;
    min-height: 45px;
    align-items: center;
    border: 1px solid #d7dce4;
    border-radius: 10px;
    background: #fbf8f2;
    box-shadow: 0 7px 20px rgba(0, 0, 0, 0.08);
    transition: border-color 140ms ease, box-shadow 140ms ease;
}

.webmail-auth-control:focus-within {
    border-color: #e4aa24;
    box-shadow: 0 0 0 3px rgba(229, 171, 36, 0.14);
}

.webmail-auth-control > svg {
    width: 17px;
    height: 17px;
    margin-left: 13px;
    flex: 0 0 17px;
    fill: none;
    stroke: #8b887f;
    stroke-width: 1.65;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.webmail-auth-control input {
    width: 100%;
    min-width: 0;
    min-height: 43px;
    padding: 10px 13px 10px 10px;
    border: 0;
    outline: 0;
    background: transparent;
    color: #202530;
    font: inherit;
    font-size: 0.82rem;
}

.webmail-auth-control input::placeholder {
    color: #a39f95;
}

.webmail-password-control input {
    padding-right: 62px;
}

.webmail-password-toggle {
    position: absolute;
    right: 5px;
    min-width: 52px;
    min-height: 34px;
    border: 0;
    border-radius: 7px;
    background: transparent;
    color: #81631f;
    font-size: 0.7rem;
    font-weight: 750;
    cursor: pointer;
}

.webmail-password-toggle:hover,
.webmail-password-toggle:focus-visible {
    background: rgba(226, 167, 31, 0.11);
    outline: none;
}

.webmail-login-button {
    position: relative;
    min-height: 45px;
    margin-top: 2px;
    border-radius: 10px;
    background: linear-gradient(180deg, #f1b727, #e5a91a);
    color: #171b23;
    font-size: 0.81rem;
    font-weight: 820;
    box-shadow: 0 10px 26px rgba(229, 169, 26, 0.16);
}

.webmail-login-button:hover:not(:disabled) {
    background: linear-gradient(180deg, #f6bf36, #e8ad1d);
    transform: translateY(-1px);
}

.webmail-button-arrow {
    position: absolute;
    right: 17px;
    font-size: 1.02rem;
    font-weight: 500;
}

.webmail-login-button.loading .webmail-button-arrow {
    opacity: 0;
}

.webmail-login-alert {
    margin: -2px 0 0;
    padding: 10px 12px;
    border-color: rgba(239, 103, 103, 0.30);
    background: rgba(147, 34, 34, 0.20);
    color: #ffd8d8;
    font-size: 0.74rem;
    line-height: 1.5;
}

.webmail-login-progress {
    margin-top: -3px;
}

.webmail-login-progress .progress-track {
    background: #1a2432;
}

.webmail-login-progress p {
    color: #7387a7;
}

.webmail-login-help {
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
}

.webmail-login-help p {
    margin: 0;
    color: #697c9a;
    font-size: 0.71rem;
    line-height: 1.55;
}

.webmail-login-help .support-link {
    margin-top: 11px;
    color: #e4aa24;
}

.support-link {
    display: inline-block;
    color: #8b650d;
    font-size: 0.75rem;
    font-weight: 750;
    text-decoration: none;
}

.support-link:hover {
    text-decoration: underline;
}

.login-progress {
    margin-top: 14px;
}

.login-progress p {
    margin: 8px 0 0;
    color: #667185;
    font-size: 0.72rem;
    text-align: center;
}

.progress-track {
    height: 4px;
    overflow: hidden;
    border-radius: 999px;
    background: #edf0f4;
}

.progress-track span {
    display: block;
    width: 38%;
    height: 100%;
    border-radius: inherit;
    background: var(--sr-gold);
    animation: progress 1.25s ease-in-out infinite;
}

@keyframes progress {
    0% { transform: translateX(-110%); }
    100% { transform: translateX(310%); }
}

@media (max-width: 920px) {
    .webmail-login-shell {
        grid-template-columns: minmax(0, 1fr) minmax(360px, 44vw);
    }

    .webmail-login-intro {
        padding-right: 38px;
        padding-left: 38px;
    }

    .webmail-login-intro h1 {
        font-size: clamp(1.72rem, 3.5vw, 2.18rem);
    }
}

@media (max-width: 720px) {
    .auth-page {
        background:
            linear-gradient(rgba(118, 139, 174, 0.055) 1px, transparent 1px),
            linear-gradient(90deg, rgba(118, 139, 174, 0.055) 1px, transparent 1px),
            radial-gradient(circle at 50% 100%, rgba(228, 170, 36, 0.12), transparent 28rem),
            #0b1018;
        background-size: 34px 34px, 34px 34px, auto, auto;
    }

    .webmail-login-shell {
        display: block;
        min-height: 100vh;
        background: transparent;
    }

    .webmail-login-intro {
        display: none;
    }

    .webmail-login-form-panel {
        min-height: 100vh;
        justify-content: space-between;
        padding: 32px 20px 20px;
        background: transparent;
    }

    .webmail-login-form-wrap {
        width: min(100%, 420px);
    }

    .webmail-mobile-brand {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 48px;
    }

    .webmail-mobile-brand img {
        width: 172px;
        height: auto;
    }

    .webmail-mobile-brand span {
        padding-left: 12px;
        border-left: 1px solid rgba(255, 255, 255, 0.14);
        color: #e9b127;
        font-size: 0.68rem;
        font-weight: 800;
        letter-spacing: 0.11em;
        text-transform: uppercase;
    }

    .webmail-mobile-footer {
        display: block;
        margin-top: 34px;
        color: #5f718e;
        font-size: 0.64rem;
        text-align: center;
    }
}
/* Shared shell */
.app-shell {
    min-height: 100vh;
}

.topbar {
    position: fixed;
    z-index: 50;
    inset: 0 0 auto 0;
    display: grid;
    height: var(--sr-topbar);
    grid-template-columns: var(--sr-sidebar) minmax(260px, 620px) 1fr;
    align-items: center;
    gap: 22px;
    padding: 0 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: var(--sr-navy);
    color: #eef3fa;
}

.topbar-brand {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 10px;
}

.topbar-search {
    display: grid;
    height: 38px;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 9px;
    padding: 0 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.07);
}

.topbar-search input {
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: #f5f7fb;
}

.topbar-search input::placeholder {
    color: #9facbf;
}

.topbar-search kbd {
    padding: 2px 6px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 5px;
    color: #9facbf;
    background: rgba(0, 0, 0, 0.14);
    font-size: 0.66rem;
}

.topbar-actions {
    position: relative;
    display: flex;
    min-width: 0;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
}

.topbar .icon-button:hover {
    border-color: rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.08);
}

.account-button {
    display: flex;
    max-width: 280px;
    min-width: 0;
    align-items: center;
    gap: 9px;
    margin-left: 5px;
    padding: 4px 7px;
    border: 1px solid transparent;
    border-radius: 9px;
    background: transparent;
    color: inherit;
}

.account-button:hover {
    border-color: rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
}

.account-avatar,
.sender-avatar {
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    border-radius: 50%;
    background: var(--sr-gold);
    color: #172033;
    font-weight: 850;
}

.account-avatar {
    width: 31px;
    height: 31px;
    font-size: 0.78rem;
}

.account-copy {
    display: grid;
    min-width: 0;
    text-align: left;
}

.account-copy strong,
.account-copy small {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.account-copy strong {
    max-width: 180px;
    font-size: 0.76rem;
}

.account-copy small {
    color: #9facbf;
    font-size: 0.64rem;
}

.account-menu {
    position: absolute;
    top: 50px;
    right: 0;
    display: grid;
    width: 176px;
    padding: 6px;
    border: 1px solid var(--sr-border);
    border-radius: 10px;
    background: var(--sr-card);
    color: var(--sr-ink);
    box-shadow: var(--sr-shadow);
}

.account-menu a,
.account-menu button {
    padding: 9px 10px;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: inherit;
    text-align: left;
    text-decoration: none;
    font-size: 0.8rem;
}

.account-menu a:hover,
.account-menu button:hover {
    background: var(--sr-bg);
}

.folder-sidebar {
    position: fixed;
    z-index: 20;
    top: var(--sr-topbar);
    bottom: 0;
    left: 0;
    display: flex;
    width: var(--sr-sidebar);
    flex-direction: column;
    padding: 16px 12px 12px;
    border-right: 1px solid var(--sr-border);
    background: var(--sr-card);
}

.compose-trigger {
    justify-content: flex-start;
    margin: 0 3px 15px;
}

.folder-nav {
    min-height: 0;
    flex: 1;
    overflow: auto;
}

.folder-list {
    display: grid;
    gap: 2px;
}

.folder-item {
    display: grid;
    width: 100%;
    min-height: 38px;
    grid-template-columns: 25px minmax(0, 1fr) auto;
    align-items: center;
    gap: 7px;
    padding: 0 9px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: transparent;
    color: var(--sr-muted);
    text-align: left;
}

.folder-item:hover {
    background: var(--sr-bg);
    color: var(--sr-ink);
}

.folder-item.active {
    border-color: rgba(228, 170, 36, 0.23);
    background: rgba(228, 170, 36, 0.12);
    color: var(--sr-ink);
    font-weight: 750;
}

.folder-item .folder-icon {
    display: grid;
    place-items: center;
    font-size: 0.9rem;
}

.folder-item .folder-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.folder-count {
    min-width: 20px;
    padding: 1px 6px;
    border-radius: 999px;
    background: var(--sr-bg);
    color: var(--sr-muted);
    font-size: 0.67rem;
    text-align: center;
}

.folder-item.active .folder-count {
    background: var(--sr-gold);
    color: #172033;
}

.sidebar-footer {
    padding-top: 12px;
    border-top: 1px solid var(--sr-border);
}

.storage-card {
    padding: 10px;
    border-radius: 9px;
    background: var(--sr-bg);
}

.storage-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--sr-muted);
    font-size: 0.72rem;
    font-weight: 700;
}

.storage-track {
    height: 5px;
    margin: 8px 0;
    overflow: hidden;
    border-radius: 999px;
    background: var(--sr-border);
}

.storage-track span {
    display: block;
    width: 0;
    height: 100%;
    background: var(--sr-gold);
}

.storage-card small {
    display: block;
    color: var(--sr-muted);
    font-size: 0.65rem;
    line-height: 1.4;
}

.mail-workspace {
    display: grid;
    min-height: 100vh;
    margin-left: var(--sr-sidebar);
    padding-top: var(--sr-topbar);
    grid-template-columns: var(--sr-list) minmax(0, 1fr);
}

.message-column {
    display: grid;
    min-width: 0;
    height: calc(100vh - var(--sr-topbar));
    grid-template-rows: auto auto minmax(0, 1fr);
    border-right: 1px solid var(--sr-border);
    background: var(--sr-card);
}

.column-header {
    display: flex;
    min-height: 70px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--sr-border);
}

.column-header h1,
.page-heading h1 {
    margin: 0;
    font-size: 1.08rem;
    letter-spacing: -0.02em;
}

.header-actions {
    display: flex;
    align-items: center;
}

.bulk-toolbar {
    display: flex;
    min-height: 42px;
    align-items: center;
    gap: 8px;
    padding: 5px 12px;
    border-bottom: 1px solid var(--sr-border);
    background: color-mix(in srgb, var(--sr-gold) 9%, var(--sr-card));
}

.bulk-toolbar span {
    margin-right: auto;
    font-size: 0.75rem;
    font-weight: 750;
}

.bulk-toolbar button {
    padding: 4px 7px;
    border: 0;
    border-radius: 5px;
    background: transparent;
    color: var(--sr-muted);
    font-size: 0.7rem;
}

.bulk-toolbar button:hover {
    background: var(--sr-card);
    color: var(--sr-ink);
}

.message-list-shell {
    display: grid;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    grid-template-rows: minmax(0, 1fr) auto;
    background: var(--sr-card);
}

.message-list {
    min-height: 0;
    overflow: auto;
    overscroll-behavior: contain;
}

.message-list-loading,
.empty-list {
    display: grid;
    height: 100%;
    min-height: 240px;
    place-items: center;
    align-content: center;
    gap: 9px;
    color: var(--sr-muted);
    text-align: center;
}

.message-list-loading p,
.empty-list p {
    margin: 0;
    font-size: 0.78rem;
}

.message-row {
    position: relative;
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr) auto;
    gap: 8px;
    padding: 11px 12px;
    border-bottom: 1px solid var(--sr-border);
    background: var(--sr-card);
    cursor: pointer;
}

.message-row:hover {
    background: color-mix(in srgb, var(--sr-card) 94%, var(--sr-gold) 6%);
}

.message-row.active {
    background: color-mix(in srgb, var(--sr-card) 87%, var(--sr-gold) 13%);
}

.message-row.unread::before {
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    background: var(--sr-gold);
    content: "";
}

.message-select {
    width: 16px;
    height: 16px;
    margin-top: 3px;
    accent-color: var(--sr-gold);
}

.message-summary {
    min-width: 0;
}

.message-line {
    display: flex;
    min-width: 0;
    align-items: baseline;
    gap: 8px;
}

.message-line strong,
.message-subject,
.message-preview {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.message-line strong {
    flex: 1;
    font-size: 0.79rem;
    font-weight: 650;
}

.message-row.unread .message-line strong,
.message-row.unread .message-subject {
    font-weight: 850;
}

.message-time {
    flex: 0 0 auto;
    color: var(--sr-muted);
    font-size: 0.65rem;
}

.message-subject {
    margin-top: 2px;
    font-size: 0.76rem;
}

.message-preview {
    margin-top: 2px;
    color: var(--sr-muted);
    font-size: 0.69rem;
}

.message-markers {
    display: grid;
    align-content: start;
    gap: 3px;
    padding-top: 2px;
    color: var(--sr-muted);
    font-size: 0.71rem;
}

.pagination {
    position: relative;
    z-index: 2;
    display: grid;
    min-height: 48px;
    flex: 0 0 auto;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    padding: 5px 10px 5px 13px;
    border-top: 1px solid var(--sr-border);
    background: var(--sr-card);
    box-shadow: 0 -8px 18px rgba(23, 32, 51, 0.035);
}

.pagination span {
    color: var(--sr-muted);
    font-size: 0.68rem;
}

.pagination-summary {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pagination-controls {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 7px;
}

.pagination-controls .icon-button {
    width: 28px;
    height: 28px;
    border: 1px solid var(--sr-border);
    background: var(--sr-bg);
    font-size: 1rem;
}

.pagination-controls .icon-button:disabled {
    opacity: 0.42;
    cursor: default;
}

.reader-column {
    min-width: 0;
    height: calc(100vh - var(--sr-topbar));
    overflow: auto;
    background: var(--sr-bg);
}

.empty-reader {
    display: grid;
    height: 100%;
    place-items: center;
    align-content: center;
    gap: 7px;
    padding: 30px;
    color: var(--sr-muted);
    text-align: center;
}

.empty-reader h2 {
    margin: 8px 0 0;
    color: var(--sr-ink);
    font-size: 1rem;
}

.empty-reader p {
    max-width: 360px;
    margin: 0;
    font-size: 0.78rem;
}

.empty-icon {
    display: grid;
    width: 70px;
    height: 70px;
    place-items: center;
    border: 1px solid var(--sr-border);
    border-radius: 20px;
    background: var(--sr-card);
    color: var(--sr-gold-dark);
    font-size: 1.8rem;
    box-shadow: var(--sr-shadow);
}

.message-reader {
    min-height: 100%;
    padding: 18px;
}

.reader-header,
.reader-body,
.attachment-list,
.header-details {
    width: min(930px, 100%);
    margin-right: auto;
    margin-left: auto;
}

.reader-header {
    padding: 18px 20px;
    border: 1px solid var(--sr-border);
    border-radius: var(--sr-radius) var(--sr-radius) 0 0;
    background: var(--sr-card);
}

.reader-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 17px;
}

.reader-header h2 {
    margin: 0 0 15px;
    font-size: 1.28rem;
    line-height: 1.3;
    letter-spacing: -0.025em;
}

.message-meta {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
}

.sender-avatar {
    width: 38px;
    height: 38px;
    font-size: 0.82rem;
}

.sender-copy {
    display: grid;
    min-width: 0;
}

.sender-copy strong,
.sender-copy span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sender-copy strong {
    font-size: 0.78rem;
}

.sender-copy span,
.message-meta time {
    color: var(--sr-muted);
    font-size: 0.68rem;
}

.reader-body {
    min-height: 320px;
    overflow-wrap: anywhere;
    padding: 22px;
    border: solid var(--sr-border);
    border-width: 0 1px 1px;
    background: var(--sr-card);
    font-family: Arial, sans-serif;
    font-size: 14px;
    line-height: 1.55;
}

.reader-body img {
    max-width: 100%;
    height: auto;
}

.reader-body table {
    max-width: 100%;
    border-collapse: collapse;
}

.reader-body blockquote {
    margin-left: 10px;
    padding-left: 12px;
    border-left: 3px solid var(--sr-border);
    color: var(--sr-muted);
}

.reader-body .plain-message {
    white-space: normal;
}

.attachment-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 20px;
    border: solid var(--sr-border);
    border-width: 0 1px;
    background: var(--sr-card);
}

.attachment-chip {
    display: inline-flex;
    max-width: 280px;
    align-items: center;
    gap: 7px;
    padding: 7px 10px;
    border: 1px solid var(--sr-border);
    border-radius: 8px;
    background: var(--sr-bg);
    color: var(--sr-ink);
    text-decoration: none;
    font-size: 0.72rem;
}

.attachment-chip span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.header-details {
    padding: 11px 18px;
    border: solid var(--sr-border);
    border-width: 0 1px 1px;
    border-radius: 0 0 var(--sr-radius) var(--sr-radius);
    background: var(--sr-card);
    color: var(--sr-muted);
    font-size: 0.7rem;
}

.header-details summary {
    cursor: pointer;
    font-weight: 750;
}

.header-details dl {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 5px 12px;
    margin: 12px 0 2px;
}

.header-details dt {
    font-weight: 800;
}

.header-details dd {
    margin: 0;
    overflow-wrap: anywhere;
}

/* Full email headers */
.headers-dialog {
    width: min(880px, calc(100% - 28px));
    max-height: calc(100vh - 36px);
    margin: auto;
    border-radius: 14px;
    background: var(--sr-card);
    color: var(--sr-ink);
    box-shadow: 0 30px 90px rgba(3, 11, 24, 0.38);
}

.headers-dialog-shell {
    display: grid;
    max-height: calc(100vh - 36px);
    grid-template-rows: auto auto minmax(220px, 1fr) auto;
}

.headers-dialog-intro {
    margin: 0;
    padding: 12px 17px;
    border-bottom: 1px solid var(--sr-border);
    color: var(--sr-muted);
    font-size: 0.72rem;
    line-height: 1.5;
}

.headers-code {
    min-width: 0;
    min-height: 280px;
    margin: 0;
    overflow: auto;
    padding: 17px;
    background: color-mix(in srgb, var(--sr-bg) 88%, var(--sr-card));
    color: var(--sr-ink);
    font: 0.72rem/1.58 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    tab-size: 4;
    white-space: pre;
}

.headers-dialog-footer {
    display: flex;
    min-height: 58px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 14px 10px 17px;
    border-top: 1px solid var(--sr-border);
}

.headers-dialog .dialog-header h2 {
    max-width: min(650px, 70vw);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.headers-dialog-footer span {
    color: var(--sr-muted);
    font-size: 0.68rem;
}

@media (max-width: 670px) {
    .pagination {
        min-height: 46px;
        padding-right: 8px;
        padding-left: 10px;
    }

    .pagination-controls {
        gap: 4px;
    }

    .headers-dialog {
        width: calc(100% - 12px);
        max-height: calc(100vh - 12px);
        border-radius: 10px;
    }

    .headers-dialog-shell {
        max-height: calc(100vh - 12px);
    }

    .headers-code {
        min-height: 220px;
        padding: 13px;
        font-size: 0.67rem;
    }

    .headers-dialog-footer {
        align-items: stretch;
        flex-direction: column;
    }

    .headers-dialog-footer .button {
        width: 100%;
    }

    .reader-actions .reader-headers-button {
        width: auto;
        gap: 5px;
        padding: 0 9px;
        font-size: 0.65rem;
    }
}

/* Compose */
dialog {
    padding: 0;
    border: 0;
    background: transparent;
}

dialog::backdrop {
    background: rgba(7, 13, 23, 0.48);
    backdrop-filter: blur(2px);
}

.compose-dialog {
    width: min(720px, calc(100% - 28px));
    max-height: calc(100vh - 40px);
    margin: auto;
    border-radius: 14px;
    background: var(--sr-card);
    color: var(--sr-ink);
    box-shadow: 0 30px 90px rgba(3, 11, 24, 0.38);
}

.compose-dialog form {
    display: grid;
    max-height: calc(100vh - 40px);
    grid-template-rows: auto auto minmax(220px, 1fr) auto auto auto;
}

.dialog-header {
    display: flex;
    min-height: 62px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 11px 14px 11px 17px;
    border-bottom: 1px solid var(--sr-border);
}

.dialog-header h2 {
    margin: 0;
    font-size: 1rem;
}

.dialog-actions {
    display: flex;
}

.compose-addresses {
    display: grid;
    padding: 4px 16px 0;
}

.compose-addresses label {
    display: grid;
    min-height: 39px;
    grid-template-columns: 64px 1fr;
    align-items: center;
    border-bottom: 1px solid var(--sr-border);
}

.compose-addresses input {
    min-height: 38px;
    padding: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none !important;
}

.compose-body {
    min-height: 250px;
    padding: 16px;
    border: 0;
    border-radius: 0;
    resize: none;
    line-height: 1.55;
}

.compose-attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    padding: 0 16px 8px;
}

.compose-attachment-item {
    padding: 5px 8px;
    border: 1px solid var(--sr-border);
    border-radius: 7px;
    background: var(--sr-bg);
    color: var(--sr-muted);
    font-size: 0.69rem;
}

.compose-dialog .alert {
    margin: 0 16px 8px;
}

.compose-footer {
    display: flex;
    min-height: 62px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 14px;
    border-top: 1px solid var(--sr-border);
}

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

.attachment-button {
    display: inline-flex;
    min-height: 36px;
    align-items: center;
    gap: 7px;
    padding: 0 10px;
    border-radius: 7px;
    color: var(--sr-muted);
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 750;
}

.attachment-button:hover {
    background: var(--sr-bg);
    color: var(--sr-ink);
}

.attachment-button input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

/* Settings and admin */
.settings-topbar {
    position: sticky;
    grid-template-columns: 1fr auto;
}

.settings-shell {
    display: grid;
    width: min(1180px, calc(100% - 32px));
    margin: 26px auto 50px;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 22px;
}

.settings-nav {
    position: sticky;
    top: 18px;
    align-self: start;
    padding: 16px;
    border: 1px solid var(--sr-border);
    border-radius: var(--sr-radius);
    background: var(--sr-card);
}

.settings-tab {
    display: block;
    width: 100%;
    min-height: 38px;
    margin-top: 3px;
    padding: 0 10px;
    border: 1px solid transparent;
    border-radius: 7px;
    background: transparent;
    color: var(--sr-muted);
    text-align: left;
}

.settings-tab:hover,
.settings-tab.active {
    background: var(--sr-bg);
    color: var(--sr-ink);
}

.settings-tab.active {
    border-color: color-mix(in srgb, var(--sr-gold) 30%, var(--sr-border));
    font-weight: 800;
}

.settings-content {
    min-width: 0;
}

.settings-panel {
    display: none;
}

.settings-panel.active {
    display: block;
}

.page-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 13px;
}

.page-heading p:not(.eyebrow) {
    margin: 5px 0 0;
    color: var(--sr-muted);
    font-size: 0.78rem;
}

.settings-card,
.stat-card {
    border: 1px solid var(--sr-border);
    border-radius: var(--sr-radius);
    background: var(--sr-card);
    box-shadow: 0 4px 15px rgba(18, 32, 54, 0.04);
}

.settings-card {
    padding: 18px;
}

.settings-card + .settings-card {
    margin-top: 16px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 16px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding-top: 10px;
}

.prose-card h2 {
    margin: 20px 0 5px;
    font-size: 0.9rem;
}

.prose-card h2:first-child {
    margin-top: 0;
}

.prose-card p {
    margin: 0;
    color: var(--sr-muted);
    font-size: 0.79rem;
    line-height: 1.6;
}

.contact-list {
    display: grid;
    gap: 5px;
    margin-top: 12px;
}

.contact-row {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    padding: 9px;
    border: 1px solid var(--sr-border);
    border-radius: 8px;
    background: var(--sr-card);
    cursor: pointer;
}

.contact-row:hover {
    background: var(--sr-bg);
}

.contact-copy {
    display: grid;
    min-width: 0;
}

.contact-copy strong,
.contact-copy span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.contact-copy strong {
    font-size: 0.78rem;
}

.contact-copy span {
    color: var(--sr-muted);
    font-size: 0.68rem;
}

.small-dialog {
    width: min(520px, calc(100% - 28px));
    max-height: calc(100vh - 36px);
    overflow: auto;
    border-radius: 14px;
    background: var(--sr-card);
    color: var(--sr-ink);
    box-shadow: var(--sr-shadow);
}

.small-dialog form {
    padding: 0 18px 18px;
}

.small-dialog .dialog-header {
    margin: 0 -18px 16px;
    padding-right: 14px;
    padding-left: 18px;
}

.admin-login-shell {
    display: grid;
    min-height: calc(100vh - var(--sr-topbar));
    place-items: center;
    padding: 30px;
}

.admin-login-card {
    width: min(430px, 100%);
}

.admin-shell {
    width: min(1240px, calc(100% - 32px));
    margin: 24px auto 60px;
}

.admin-heading {
    align-items: center;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.stat-card {
    display: grid;
    gap: 4px;
    padding: 15px;
}

.stat-card span {
    color: var(--sr-muted);
    font-size: 0.7rem;
    font-weight: 700;
}

.stat-card strong {
    font-size: 0.95rem;
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.result-box {
    max-height: 320px;
    overflow: auto;
    margin: 15px 0 0;
    padding: 12px;
    border: 1px solid var(--sr-border);
    border-radius: 8px;
    background: var(--sr-bg);
    color: var(--sr-ink);
    font-size: 0.7rem;
    white-space: pre-wrap;
}

.definition-list {
    display: grid;
    gap: 0;
    margin: 0;
}

.definition-list div {
    display: grid;
    grid-template-columns: 145px 1fr;
    gap: 14px;
    padding: 10px 0;
    border-bottom: 1px solid var(--sr-border);
}

.definition-list div:last-child {
    border-bottom: 0;
}

.definition-list dt {
    color: var(--sr-muted);
    font-size: 0.72rem;
    font-weight: 750;
}

.definition-list dd {
    margin: 0;
    font-size: 0.76rem;
}

.table-wrap {
    overflow: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--sr-border);
    text-align: left;
    vertical-align: top;
    font-size: 0.72rem;
}

th {
    color: var(--sr-muted);
    font-size: 0.66rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

td code {
    font-size: 0.68rem;
}

.status-badge {
    display: inline-flex;
    padding: 2px 7px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--sr-success) 13%, var(--sr-card));
    color: var(--sr-success);
    font-size: 0.64rem;
    font-weight: 800;
}

.status-badge.disabled {
    background: color-mix(in srgb, var(--sr-muted) 12%, var(--sr-card));
    color: var(--sr-muted);
}

/* Utility */
.skeleton {
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    background: var(--sr-bg);
}

.skeleton::after {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--sr-card) 70%, transparent), transparent);
    content: "";
    transform: translateX(-100%);
    animation: shimmer 1.25s infinite;
}

.skeleton-line {
    height: 36px;
}

@keyframes shimmer {
    to { transform: translateX(100%); }
}

.toast-region {
    position: fixed;
    z-index: 1000;
    right: 18px;
    bottom: 18px;
    display: grid;
    width: min(380px, calc(100% - 36px));
    gap: 9px;
    pointer-events: none;
}

.toast {
    padding: 11px 13px;
    border: 1px solid var(--sr-border);
    border-left: 4px solid var(--sr-gold);
    border-radius: 9px;
    background: var(--sr-card);
    color: var(--sr-ink);
    box-shadow: var(--sr-shadow);
    font-size: 0.78rem;
    pointer-events: auto;
    animation: toast-in 160ms ease-out;
}

.toast.error {
    border-left-color: var(--sr-danger);
}

.toast.success {
    border-left-color: var(--sr-success);
}

@keyframes toast-in {
    from { opacity: 0; transform: translateY(8px); }
}

.mobile-only {
    display: none;
}

@media (max-width: 1120px) {
    :root {
        --sr-sidebar: 210px;
        --sr-list: 360px;
    }

    .topbar {
        grid-template-columns: var(--sr-sidebar) minmax(220px, 520px) 1fr;
    }

    .account-copy {
        display: none;
    }
}

@media (max-width: 860px) {
    .auth-shell {
        width: min(100%, 520px);
        padding: 28px 16px;
    }

    .topbar {
        grid-template-columns: auto minmax(0, 1fr) auto;
        gap: 8px;
        padding: 0 10px;
    }

    .topbar-logo-link > span {
        display: none;
    }

    .topbar-logo {
        width: 124px;
    }

    .topbar-search kbd {
        display: none;
    }

    .mobile-only {
        display: inline-grid;
    }

    .folder-sidebar {
        z-index: 45;
        width: min(280px, 86vw);
        transform: translateX(-102%);
        box-shadow: var(--sr-shadow);
        transition: transform 160ms ease;
    }

    .folder-sidebar.open {
        transform: translateX(0);
    }

    .mail-workspace {
        margin-left: 0;
        grid-template-columns: minmax(0, 390px) minmax(0, 1fr);
    }

    .settings-shell {
        grid-template-columns: 1fr;
    }

    .settings-nav {
        position: static;
        display: flex;
        overflow-x: auto;
        gap: 4px;
    }

    .settings-nav .eyebrow {
        display: none;
    }

    .settings-tab {
        width: auto;
        flex: 0 0 auto;
        padding: 0 14px;
    }

    .stat-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .admin-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 670px) {
    .topbar-search {
        display: none;
    }

    .topbar {
        grid-template-columns: 1fr auto;
    }

    .mail-workspace {
        display: block;
    }

    .message-column,
    .reader-column {
        height: calc(100vh - var(--sr-topbar));
    }

    .reader-column {
        display: none;
        position: fixed;
        z-index: 30;
        inset: var(--sr-topbar) 0 0;
    }

    .reader-column.mobile-open {
        display: block;
    }

    .message-reader {
        padding: 0;
    }

    .reader-header {
        border-width: 0 0 1px;
        border-radius: 0;
    }

    .reader-body {
        border-width: 0 0 1px;
    }

    .attachment-list,
    .header-details {
        border-right: 0;
        border-left: 0;
        border-radius: 0;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .settings-account {
        display: none;
    }

    .stat-grid {
        grid-template-columns: 1fr 1fr;
    }

    .page-heading {
        align-items: flex-start;
    }

    .auth-card {
        padding: 24px 20px;
    }

    .auth-logo {
        width: 184px;
        margin-bottom: 20px;
    }
}

@media (max-width: 460px) {
    .account-button {
        padding-right: 2px;
        padding-left: 2px;
    }

    .topbar-actions > .icon-button:first-child {
        display: none;
    }

    .compose-dialog {
        width: 100%;
        max-height: 100vh;
        margin: 0;
        border-radius: 0;
    }

    .compose-dialog form {
        max-height: 100vh;
    }

    .compose-footer {
        align-items: stretch;
        flex-direction: column;
    }

    .compose-footer-actions {
        justify-content: flex-end;
    }

    .stat-grid {
        grid-template-columns: 1fr;
    }
}

.form-section-label {
    margin: 18px 0 8px;
    color: var(--sr-muted);
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.domain-dialog {
    width: min(760px, calc(100vw - 32px));
}

.form-grid.two-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 680px) {
    .form-grid.two-column {
        grid-template-columns: 1fr;
    }
}

.folder-management-button {
    width: calc(100% - 28px);
    margin: 10px 14px 0;
    padding: 9px 12px;
    border: 1px solid var(--sr-border);
    border-radius: 8px;
    background: transparent;
    color: var(--sr-muted);
    font: inherit;
    font-size: .8rem;
    font-weight: 700;
    text-align: left;
    cursor: pointer;
}

.folder-management-button:hover {
    border-color: var(--sr-gold);
    color: var(--sr-ink);
}

.folder-dialog,
.move-dialog {
    width: min(560px, calc(100vw - 32px));
}

.folder-management-list,
.move-folder-list {
    display: grid;
    gap: 8px;
    max-height: min(48vh, 440px);
    margin: 4px 0 18px;
    overflow: auto;
}

.folder-management-row,
.move-folder-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 42px;
    padding: 9px 11px;
    border: 1px solid var(--sr-border);
    border-radius: 8px;
    background: var(--sr-card);
}

.folder-management-row strong {
    min-width: 0;
    overflow: hidden;
    font-size: .84rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.folder-management-actions {
    display: flex;
    gap: 6px;
    flex: 0 0 auto;
}

.folder-management-actions button {
    padding: 5px 8px;
    border: 0;
    border-radius: 6px;
    background: var(--sr-bg);
    color: var(--sr-muted);
    font: inherit;
    font-size: .74rem;
    cursor: pointer;
}

.folder-management-actions button.danger {
    color: var(--sr-danger);
}

.inline-create-row {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 10px;
}

.move-folder-button {
    width: 100%;
    color: var(--sr-ink);
    font: inherit;
    font-size: .84rem;
    font-weight: 700;
    text-align: left;
    cursor: pointer;
}

.move-folder-button:hover {
    border-color: var(--sr-gold);
    background: color-mix(in srgb, var(--sr-gold) 12%, var(--sr-card));
}

@media (max-width: 560px) {
    .inline-create-row {
        grid-template-columns: 1fr;
    }
}

.service-status-banner {
    position: fixed;
    z-index: 55;
    top: calc(var(--sr-topbar) + 10px);
    right: 18px;
    display: flex;
    max-width: min(480px, calc(100vw - 36px));
    align-items: baseline;
    gap: 7px;
    padding: 9px 12px;
    border: 1px solid #e6c76f;
    border-radius: 8px;
    background: #fff8df;
    color: #65500f;
    box-shadow: 0 10px 26px rgba(20, 32, 54, 0.13);
    font-size: 0.75rem;
    line-height: 1.45;
}

.service-status-banner strong {
    flex: 0 0 auto;
    color: #4e3c08;
}

@media (max-width: 670px) {
    .service-status-banner {
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

.startup-error-shell {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 24px;
    background:
        linear-gradient(rgba(118, 139, 174, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(118, 139, 174, 0.055) 1px, transparent 1px),
        radial-gradient(circle at 50% 100%, rgba(228, 170, 36, 0.12), transparent 28rem),
        #0b1018;
    background-size: 34px 34px, 34px 34px, auto, auto;
}

.startup-error-card {
    width: min(100%, 520px);
    padding: 30px;
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 14px;
    background: rgba(10, 15, 22, .96);
    box-shadow: 0 24px 60px rgba(0,0,0,.34);
}

.startup-error-logo {
    width: 190px;
    height: auto;
    margin-bottom: 26px;
}

.startup-error-card h1 {
    margin: 0;
    color: #f8f9fc;
    font-size: 1.25rem;
    line-height: 1.35;
}

.startup-error-copy,
.startup-error-note {
    color: #7e91b0;
    font-size: .76rem;
    line-height: 1.55;
}

.startup-error-copy { margin: 7px 0 18px; }
.startup-error-note { margin: 16px 0 0; }

/* Spark Rack Webmail 1.0.12 exhaustive polish */
.svg-sprite {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

.ui-icon {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.skip-link {
    position: fixed;
    z-index: 500;
    top: 8px;
    left: 8px;
    padding: 8px 12px;
    border-radius: 7px;
    background: var(--sr-gold);
    color: #172033;
    font-size: .78rem;
    font-weight: 800;
    text-decoration: none;
    transform: translateY(-150%);
    transition: transform 140ms ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

:where(button, a, input, select, textarea, summary, [tabindex]):focus-visible {
    outline: 2px solid var(--sr-gold);
    outline-offset: 2px;
}

.mail-page {
    overflow: hidden;
}

.mail-page .topbar {
    grid-template-columns: var(--sr-sidebar) minmax(240px, 610px) minmax(390px, 1fr);
    gap: 16px;
    box-shadow: 0 1px 0 rgba(255, 255, 255, .04), 0 10px 28px rgba(7, 15, 29, .13);
}

.mail-page .topbar-logo {
    width: 138px;
}

.mail-page .topbar-search {
    border-color: rgba(255, 255, 255, .12);
    background: rgba(255, 255, 255, .075);
    transition: border-color 140ms ease, background 140ms ease, box-shadow 140ms ease;
}

.mail-page .topbar-search:focus-within {
    border-color: rgba(228, 170, 36, .72);
    background: rgba(255, 255, 255, .1);
    box-shadow: 0 0 0 3px rgba(228, 170, 36, .12);
}

.mail-page .topbar-search > .ui-icon {
    width: 16px;
    height: 16px;
    color: #9facbf;
}

.mail-sync-status {
    display: flex;
    min-width: 132px;
    align-items: center;
    gap: 8px;
    margin-right: 4px;
    padding: 4px 8px;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 8px;
    color: #dce5f1;
    background: rgba(255,255,255,.04);
}

.sync-dot {
    width: 7px;
    height: 7px;
    flex: 0 0 auto;
    border-radius: 999px;
    background: #8ea0b8;
    box-shadow: 0 0 0 3px rgba(142,160,184,.12);
}

.mail-sync-status[data-state="online"] .sync-dot {
    background: #5bc58d;
    box-shadow: 0 0 0 3px rgba(91,197,141,.13);
}

.mail-sync-status[data-state="checking"] .sync-dot,
.mail-sync-status[data-state="retrying"] .sync-dot {
    background: var(--sr-gold);
    box-shadow: 0 0 0 3px rgba(228,170,36,.14);
    animation: syncPulse 1.35s ease-in-out infinite;
}

.mail-sync-status[data-state="offline"] .sync-dot,
.mail-sync-status[data-state="error"] .sync-dot {
    background: #e37480;
    box-shadow: 0 0 0 3px rgba(227,116,128,.13);
}

.sync-copy {
    display: grid;
    min-width: 0;
    line-height: 1.14;
}

.sync-copy strong,
.sync-copy small {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sync-copy strong {
    font-size: .67rem;
    font-weight: 750;
}

.sync-copy small {
    margin-top: 2px;
    color: #91a0b6;
    font-size: .59rem;
}

@keyframes syncPulse {
    50% { opacity: .45; transform: scale(.82); }
}

.refresh-button .ui-icon {
    transition: transform 180ms ease;
}

.refresh-button.is-spinning .ui-icon {
    animation: refreshSpin 900ms linear infinite;
}

@keyframes refreshSpin { to { transform: rotate(360deg); } }

.account-chevron {
    width: 14px;
    height: 14px;
    color: #93a2b8;
}

.account-menu {
    top: 48px;
    width: 250px;
    padding: 7px;
    border-radius: 12px;
    box-shadow: 0 20px 48px rgba(5, 14, 29, .22);
}

.account-menu-heading {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 10px;
    margin-bottom: 5px;
    padding: 8px 9px 10px;
    border-bottom: 1px solid var(--sr-border);
}

.account-menu-heading > span:last-child {
    display: grid;
    min-width: 0;
}

.account-menu-heading strong,
.account-menu-heading small {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.account-menu-heading strong { font-size: .73rem; }
.account-menu-heading small { margin-top: 2px; color: var(--sr-muted); font-size: .64rem; }

.account-menu a,
.account-menu button {
    display: flex;
    width: 100%;
    align-items: center;
    gap: 9px;
}

.account-menu .ui-icon {
    width: 16px;
    height: 16px;
    color: var(--sr-muted);
}

.folder-sidebar {
    padding: 15px 11px 10px;
    box-shadow: 8px 0 28px rgba(20, 32, 54, .025);
}

.compose-trigger {
    min-height: 42px;
    margin: 0 2px 14px;
    padding: 0 14px;
    border-radius: 9px;
    box-shadow: 0 8px 20px rgba(228, 170, 36, .19);
}

.compose-trigger .ui-icon {
    width: 17px;
    height: 17px;
    stroke-width: 2.1;
}

.folder-nav-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 1px 6px 6px 10px;
    color: var(--sr-muted);
    font-size: .65rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.folder-add-button {
    display: grid;
    width: 24px;
    height: 24px;
    place-items: center;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: var(--sr-muted);
    font-size: .98rem;
}

.folder-add-button:hover {
    background: var(--sr-bg);
    color: var(--sr-ink);
}

.folder-list { gap: 1px; }

.folder-item {
    min-height: 37px;
    grid-template-columns: 22px minmax(0, 1fr) auto;
    gap: 8px;
    padding: 0 9px;
    border-radius: 7px;
    font-size: .76rem;
    transition: color 120ms ease, background 120ms ease, border-color 120ms ease;
}

.folder-svg {
    width: 16px;
    height: 16px;
    color: currentColor;
}

.folder-item.active .folder-svg {
    color: var(--sr-gold-dark);
}

.folder-count {
    min-width: 22px;
    padding: 2px 6px;
    font-size: .61rem;
    font-weight: 800;
}

.storage-card {
    padding: 10px;
    border: 1px solid var(--sr-border);
    background: color-mix(in srgb, var(--sr-card) 65%, var(--sr-bg));
}

.sidebar-version {
    padding: 8px 5px 0;
    color: var(--sr-muted);
    font-size: .59rem;
    text-align: center;
}

.message-column {
    grid-template-rows: auto auto minmax(0, 1fr);
}

.column-header {
    min-height: 76px;
    padding: 12px 14px 10px;
}

.column-heading-copy { min-width: 0; }

.folder-title-row {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 8px;
}

.column-header h1 {
    overflow: hidden;
    font-size: 1rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.unread-pill {
    flex: 0 0 auto;
    padding: 2px 7px;
    border-radius: 999px;
    background: rgba(228, 170, 36, .14);
    color: var(--sr-gold-dark);
    font-size: .61rem;
    font-weight: 800;
}

.column-subtitle {
    margin: 3px 0 0;
    color: var(--sr-muted);
    font-size: .66rem;
}

.bulk-toolbar {
    min-width: 0;
    gap: 9px;
    padding: 5px 11px;
}

.bulk-actions {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 1px;
    overflow-x: auto;
    scrollbar-width: none;
}

.bulk-actions::-webkit-scrollbar { display: none; }
.bulk-toolbar button.danger { color: var(--sr-danger); }

.message-list {
    scrollbar-color: var(--sr-border-strong) transparent;
    scrollbar-width: thin;
}

.message-row {
    grid-template-columns: 23px 32px minmax(0, 1fr) auto;
    gap: 9px;
    min-height: 76px;
    align-items: start;
    padding: 10px 12px;
    transition: background 100ms ease, box-shadow 100ms ease;
}

.message-row:focus-visible {
    z-index: 1;
    outline-offset: -2px;
}

.message-avatar {
    display: grid;
    width: 30px;
    height: 30px;
    place-items: center;
    margin-top: 1px;
    border: 1px solid color-mix(in srgb, var(--sr-border) 72%, var(--sr-gold));
    border-radius: 50%;
    background: color-mix(in srgb, var(--sr-card) 78%, var(--sr-gold) 22%);
    color: var(--sr-gold-dark);
    font-size: .68rem;
    font-weight: 850;
}

.message-row.unread .message-avatar {
    border-color: rgba(228, 170, 36, .42);
    background: rgba(228, 170, 36, .17);
    color: var(--sr-ink);
}

.message-line strong { font-size: .77rem; }
.message-subject { margin-top: 3px; font-size: .74rem; }
.message-preview { margin-top: 3px; font-size: .65rem; }
.message-time { font-size: .62rem; }

.message-markers {
    display: flex;
    min-width: 14px;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.message-markers .ui-icon {
    width: 13px;
    height: 13px;
}

.attachment-marker { color: var(--sr-muted); }
.flag-marker { color: var(--sr-gold-dark); fill: rgba(228,170,36,.22); }

.unread-dot {
    width: 7px;
    height: 7px;
    margin: 3px 0 1px;
    border-radius: 999px;
    background: var(--sr-gold);
    box-shadow: 0 0 0 3px rgba(228,170,36,.10);
}

.empty-list {
    min-height: 260px;
    padding: 28px;
}

.empty-list-icon {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border: 1px solid var(--sr-border);
    border-radius: 13px;
    background: var(--sr-bg);
    color: var(--sr-muted);
}

.empty-list-icon .ui-icon { width: 20px; height: 20px; }

.reader-column {
    background:
        radial-gradient(circle at 84% 12%, rgba(228,170,36,.055), transparent 30%),
        var(--sr-bg);
}

.empty-reader { gap: 6px; }
.empty-icon { width: 62px; height: 62px; border-radius: 17px; font-size: initial; }
.empty-icon .ui-icon { width: 27px; height: 27px; }
.empty-reader h2 { font-size: .96rem; }
.empty-reader-tip {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 12px;
    color: var(--sr-muted);
    font-size: .63rem;
}

.empty-reader-tip kbd,
.shortcut-grid kbd {
    display: inline-grid;
    min-width: 23px;
    height: 21px;
    place-items: center;
    border: 1px solid var(--sr-border-strong);
    border-bottom-width: 2px;
    border-radius: 5px;
    background: var(--sr-card);
    color: var(--sr-ink);
    font: 700 .61rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.message-reader { padding: 17px; }
.reader-header { padding: 16px 18px; }
.reader-actions { flex-wrap: wrap; margin-bottom: 14px; }
.reader-actions .button .ui-icon { width: 14px; height: 14px; }
.reader-header h2 { margin-bottom: 14px; font-size: 1.13rem; }

#flag-button.is-active {
    color: var(--sr-gold-dark);
    background: rgba(228,170,36,.12);
}

#flag-button.is-active .ui-icon { fill: rgba(228,170,36,.28); }

.reader-body {
    min-height: 360px;
    padding: 24px;
    box-shadow: 0 12px 30px rgba(23,32,51,.035);
}

.attachment-chip {
    max-width: 310px;
    min-height: 43px;
    padding: 6px 9px;
}

.attachment-chip > .ui-icon { width: 17px; height: 17px; color: var(--sr-gold-dark); }
.attachment-chip > span { display: grid; min-width: 0; }
.attachment-chip strong,
.attachment-chip small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.attachment-chip strong { font-size: .7rem; }
.attachment-chip small { margin-top: 1px; color: var(--sr-muted); font-size: .61rem; }

.compose-dialog {
    width: min(760px, calc(100% - 28px));
    border: 1px solid var(--sr-border);
}

.compose-dialog form { grid-template-rows: auto auto minmax(250px, 1fr) auto auto auto; }
.compose-body { min-height: 285px; font-family: inherit; font-size: .83rem; }
.compose-tools { display: flex; min-width: 0; align-items: center; gap: 10px; }
.compose-save-status { color: var(--sr-muted); font-size: .63rem; }
.compose-attachment-item {
    display: inline-flex;
    max-width: 270px;
    align-items: center;
    gap: 5px;
}
.compose-attachment-item .ui-icon { width: 13px; height: 13px; }
.compose-attachment-item > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.compose-attachment-total { align-self: center; color: var(--sr-muted); font-size: .63rem; }

.compose-minimized {
    position: fixed;
    z-index: 80;
    right: 18px;
    bottom: 18px;
    display: grid;
    width: min(330px, calc(100vw - 28px));
    min-height: 58px;
    grid-template-columns: 28px minmax(0, 1fr) 18px;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border: 1px solid var(--sr-border);
    border-radius: 11px;
    background: var(--sr-card);
    color: var(--sr-ink);
    box-shadow: 0 20px 52px rgba(9,19,35,.24);
    text-align: left;
}

.compose-minimized > .ui-icon:first-child { color: var(--sr-gold-dark); }
.compose-minimized > span { display: grid; min-width: 0; }
.compose-minimized strong,
.compose-minimized small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.compose-minimized strong { font-size: .72rem; }
.compose-minimized small { margin-top: 2px; color: var(--sr-muted); font-size: .64rem; }
.compose-minimized > .ui-icon:last-child { transform: rotate(180deg); color: var(--sr-muted); }

.dialog-intro {
    margin: 0;
    padding: 11px 16px 0;
    color: var(--sr-muted);
    font-size: .71rem;
}

.folder-management-identity {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 9px;
}

.folder-management-identity > span { display: grid; min-width: 0; }
.folder-management-identity strong,
.folder-management-identity small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.folder-management-identity strong { font-size: .75rem; }
.folder-management-identity small { color: var(--sr-muted); font-size: .63rem; }

.move-folder-button {
    display: flex;
    align-items: center;
    gap: 9px;
}

.shortcut-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 16px;
    padding: 16px;
}

.shortcut-grid > span {
    display: grid;
    grid-template-columns: 28px 1fr;
    align-items: center;
    gap: 8px;
    color: var(--sr-muted);
    font-size: .72rem;
}

.mobile-sidebar-scrim { display: none; }

/* Settings polish */
.settings-shell {
    max-width: 1320px;
    margin: 0 auto;
}

.settings-nav {
    border-right: 1px solid var(--sr-border);
    box-shadow: 8px 0 30px rgba(20,32,54,.025);
}

.settings-tab {
    min-height: 39px;
    border-radius: 8px;
    font-size: .76rem;
}

.page-heading > div > p:not(.eyebrow) {
    max-width: 680px;
    margin: 5px 0 0;
    color: var(--sr-muted);
    font-size: .72rem;
}

.settings-card {
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(19,31,52,.045);
}

.field > small {
    margin-top: -1px;
    color: var(--sr-muted);
    font-size: .63rem;
    line-height: 1.42;
}

.settings-option-list {
    display: grid;
    gap: 1px;
    margin-top: 4px;
    border: 1px solid var(--sr-border);
    border-radius: 10px;
    overflow: hidden;
}

.settings-option {
    display: grid;
    grid-template-columns: 18px minmax(0, 1fr);
    align-items: start;
    gap: 10px;
    padding: 11px 12px;
    background: var(--sr-card);
    cursor: pointer;
}

.settings-option + .settings-option { border-top: 1px solid var(--sr-border); }
.settings-option:hover { background: color-mix(in srgb, var(--sr-card) 95%, var(--sr-gold) 5%); }
.settings-option input { width: 16px; height: 16px; margin: 2px 0 0; accent-color: var(--sr-gold); }
.settings-option > span { display: grid; }
.settings-option strong { font-size: .73rem; }
.settings-option small { margin-top: 2px; color: var(--sr-muted); font-size: .64rem; line-height: 1.45; }

.form-actions-split {
    justify-content: space-between;
}

.form-save-note { color: var(--sr-muted); font-size: .64rem; }

/* Admin polish */
.admin-shell {
    max-width: 1460px;
}

.admin-heading h1 { font-size: 1.12rem; }
.stat-card {
    position: relative;
    overflow: hidden;
    box-shadow: 0 9px 25px rgba(19,31,52,.04);
}
.stat-card::before {
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    background: var(--sr-gold);
    content: "";
}

.table-wrap {
    border: 1px solid var(--sr-border);
    border-radius: 9px;
    overflow: auto;
}

.table-wrap table { border: 0; }
.table-wrap thead th {
    position: sticky;
    z-index: 1;
    top: 0;
    background: color-mix(in srgb, var(--sr-card) 92%, var(--sr-bg));
}

.result-box {
    max-height: 500px;
    border-radius: 9px;
    font-size: .68rem;
    line-height: 1.55;
    scrollbar-color: #46556b transparent;
}

.toast {
    display: flex;
    min-width: 260px;
    max-width: min(420px, calc(100vw - 24px));
    align-items: center;
    gap: 10px;
    border: 1px solid var(--sr-border);
    border-left: 3px solid var(--sr-success);
    box-shadow: 0 16px 40px rgba(8,18,34,.18);
}

.toast.error { border-left-color: var(--sr-danger); }
.toast > span { min-width: 0; flex: 1; }
.toast > button {
    flex: 0 0 auto;
    padding: 5px 8px;
    border: 0;
    border-radius: 6px;
    background: var(--sr-bg);
    color: var(--sr-ink);
    font-size: .67rem;
    font-weight: 800;
}

@media (max-width: 1260px) {
    .mail-page .topbar {
        grid-template-columns: var(--sr-sidebar) minmax(220px, 1fr) auto;
    }
    .mail-sync-status { min-width: auto; }
    .sync-copy { display: none; }
    .mail-sync-status { padding: 8px; }
}

@media (max-width: 980px) {
    :root { --sr-list: 370px; }
    .desktop-only { display: none !important; }
    .mail-page .topbar { grid-template-columns: var(--sr-sidebar) minmax(180px, 1fr) auto; }
    .account-copy { display: none; }
    .account-button { padding: 3px; }
    .reader-move-button { display: none; }
}

@media (max-width: 860px) {
    .mail-page { overflow: auto; }
    .mail-page .topbar {
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 8px;
        padding: 0 10px;
    }
    .mail-page .topbar-search {
        position: fixed;
        z-index: 45;
        top: calc(var(--sr-topbar) + 8px);
        right: 10px;
        left: 10px;
        border-color: var(--sr-border);
        background: var(--sr-card);
        color: var(--sr-ink);
        box-shadow: 0 8px 28px rgba(9,18,32,.15);
    }
    .mail-page .topbar-search input { color: var(--sr-ink); }
    .mail-page .topbar-search input::placeholder { color: var(--sr-muted); }
    .mail-page .topbar-search kbd { display: none; }
    .folder-sidebar { top: calc(var(--sr-topbar) + 54px); }
    .mail-workspace { padding-top: calc(var(--sr-topbar) + 54px); }
    .message-column,
    .reader-column { height: calc(100vh - var(--sr-topbar) - 54px); }
    .mobile-sidebar-scrim {
        position: fixed;
        z-index: 19;
        inset: calc(var(--sr-topbar) + 54px) 0 0;
        display: block;
        background: rgba(6,13,24,.38);
        backdrop-filter: blur(1px);
    }
    body.sidebar-open { overflow: hidden; }
    .mail-sync-status { display: none; }
}

@media (max-width: 670px) {
    .topbar-logo { width: 126px; }
    .account-chevron { display: none; }
    .message-row {
        grid-template-columns: 21px 30px minmax(0, 1fr) auto;
        min-height: 73px;
        padding: 9px 10px;
    }
    .message-avatar { width: 28px; height: 28px; }
    .reader-actions .button { font-size: 0; gap: 0; width: 36px; padding: 0; }
    .reader-actions .button .ui-icon { width: 16px; height: 16px; }
    .message-reader { padding: 9px; }
    .reader-header { padding: 13px 14px; }
    .reader-body { padding: 17px 14px; }
    .shortcut-grid { grid-template-columns: 1fr; }
    .form-actions-split { align-items: flex-end; }
    .form-save-note { max-width: 55%; }
}

@media (max-width: 480px) {
    .mail-page .topbar-actions { gap: 0; }
    .mail-page .topbar-actions > .icon-button[href] { display: none; }
    .message-row { grid-template-columns: 20px 27px minmax(0, 1fr) auto; gap: 7px; }
    .message-avatar { width: 26px; height: 26px; font-size: .61rem; }
    .bulk-toolbar { align-items: flex-start; flex-direction: column; padding: 7px 9px; }
    .bulk-toolbar span { margin: 0; }
    .compose-footer { align-items: flex-end; }
    .compose-tools { display: grid; gap: 3px; }
    .compose-save-status { padding-left: 8px; }
    .compose-footer-actions .button { min-height: 37px; padding: 0 12px; }
    .compose-minimized { right: 10px; bottom: 10px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

/* Small-screen layout correction: the dedicated search strip is hidden below
   670px, so the mailbox must reclaim that space completely. */
@media (max-width: 670px) {
    .mail-workspace {
        padding-top: var(--sr-topbar);
    }

    .folder-sidebar {
        top: var(--sr-topbar);
    }

    .message-column,
    .reader-column {
        height: calc(100vh - var(--sr-topbar));
    }

    .reader-column {
        inset: var(--sr-topbar) 0 0;
    }

    .mobile-sidebar-scrim {
        inset: var(--sr-topbar) 0 0;
    }
}


/* Mandatory first-login sender identity */
.identity-dialog {
    width: min(34rem, calc(100vw - 2rem));
    max-height: calc(100vh - 2rem);
    padding: 0;
    border: 1px solid var(--sr-border);
    border-radius: 1rem;
    background: var(--sr-card);
    color: var(--sr-ink);
    box-shadow: 0 1.5rem 5rem rgba(6, 13, 27, .28);
    overflow: auto;
}
.identity-dialog::backdrop { background: rgba(8, 15, 28, .72); backdrop-filter: blur(5px); }
.identity-dialog form { display: grid; }
.identity-dialog-header { padding: 1.5rem 1.5rem 1rem; border-bottom: 1px solid var(--sr-border); }
.identity-dialog-header img { display: block; width: 10rem; max-width: 48%; height: auto; margin-bottom: 1.15rem; }
.identity-dialog-header h2 { margin: .2rem 0 .45rem; font-size: 1.3rem; line-height: 1.2; }
.identity-dialog-header p:last-child { margin: 0; color: var(--sr-muted); font-size: .82rem; line-height: 1.55; }
.identity-dialog-fields { display: grid; gap: 1rem; padding: 1.25rem 1.5rem; }
.identity-dialog-fields .field span { display: flex; justify-content: space-between; gap: .75rem; }
.identity-dialog-fields .field em { color: var(--sr-muted); font-style: normal; font-weight: 500; text-transform: none; letter-spacing: 0; }
.identity-dialog-fields .field small { color: var(--sr-muted); font-size: .72rem; line-height: 1.45; }
.identity-dialog .alert { margin: 0 1.5rem 1rem; }
.identity-dialog-footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.5rem 1.35rem; border-top: 1px solid var(--sr-border); }
.identity-dialog-footer p { margin: 0; color: var(--sr-muted); font-size: .7rem; line-height: 1.45; }
.identity-dialog-footer .button { flex: 0 0 auto; }
@media (max-width: 600px) {
    .identity-dialog { width: calc(100vw - 1rem); max-height: calc(100vh - 1rem); border-radius: .8rem; }
    .identity-dialog-header, .identity-dialog-fields { padding-left: 1rem; padding-right: 1rem; }
    .identity-dialog .alert { margin-left: 1rem; margin-right: 1rem; }
    .identity-dialog-footer { align-items: stretch; flex-direction: column; padding-left: 1rem; padding-right: 1rem; }
    .identity-dialog-footer .button { width: 100%; }
}