/* general */
/* Sender names belong to individual drafts and inherit the current theme and typography. */
.message-sender { display: flex; align-items: center; gap: 8px; min-height: 32px; margin-bottom: 8px; color: #444746; }
.message-sender input { min-width: 0; flex: 1; background: transparent; color: inherit; border: none;
    font: inherit; padding: 6px 0; outline-offset: 1px;
    &:focus { outline: 1px solid #80868b; } }
.message-sender input::placeholder { color: #757575; }
@media (width < 800px) {
    .message-sender input { font-size: max(16px, calc(14px * var(--text-scale, 1))); }
    .message-sender { color: var(--gmail-ink); }
    .message-sender input::placeholder { color: var(--gmail-muted); }
}

/* settings */
/* Settings occupies the mailbox while its original list, conversation and drafts remain mounted. */
.settings-open .mailbox > :is(.top-bar, .mail-views, .mobile-heading) { display: none; }
.settings-open :is(.mobile-compose, .mobile-bottom-bar) { display: none; }
.settings-open .topbar { display: flex; }
.settings-view { display: flex; flex-direction: column; flex: 1; min-height: 0; min-width: 0;
    font-size: calc(14px * var(--text-scale, 1)); color: #202124; color-scheme: light; }
.settings-view[hidden], .settings-view [role='tabpanel'][hidden] { display: none; }
.settings-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 8px 16px; min-height: 48px; flex-shrink: 0; color: var(--gmail-ink); background: var(--gmail-surface); }
.settings-heading h2 { font-size: calc(22px * var(--text-scale, 1)); font-weight: 400; }
.settings-view button { font: inherit; cursor: pointer; padding: 6px 12px; border: 1px solid #dadce0; border-radius: 4px;
    color: #202124; background: #f1f3f4; }
.settings-heading button { color: inherit; background: transparent; border: none; }
.settings-heading button:hover { background: color-mix(in srgb, currentColor 12%, transparent); }
.settings-tabs { display: flex; flex-shrink: 0; overflow-x: auto; gap: 4px; padding-inline: 16px; background: #fff;
    border-bottom: 1px solid #dadce0; }
.settings-view .settings-tabs button { flex-shrink: 0; border: none; border-radius: 0; padding: 12px 8px;
    background: none; color: #5f6368; }
.settings-view .settings-tabs [aria-selected='true'] { color: var(--display-link, #0b57d0);
    box-shadow: inset 0 -2px var(--display-link, #0b57d0); }
.settings-body { flex: 1; min-height: 0; overflow-y: auto; overflow-wrap: anywhere; padding: 0 24px 20px;
    background: #f4f4f4; scrollbar-gutter: stable; }
.settings-view p { margin: 8px 0; line-height: 1.5; }
.settings-intro { color: #5f6368; padding-block: 12px; }
.settings-row { display: grid; grid-template-columns: minmax(140px, 20%) minmax(0, 1fr); gap: 24px;
    padding-block: 16px; border-bottom: 1px solid #dedede; }
.settings-row h3 { font-size: inherit; font-weight: 600; margin: 4px 0 0; }
.settings-row-content { min-width: 0; }
.settings-row-content > :first-child { margin-top: 0; }
.settings-row-content > :last-child { margin-bottom: 0; }
.settings-view label { display: flex; align-items: center; gap: 8px; margin: 8px 0; }
.settings-view input[type='checkbox'] { flex-shrink: 0; }
.settings-view :is(select, input:not([type='checkbox'])) { min-width: 0; padding: 6px; font: inherit;
    border: 1px solid #dadce0; border-radius: 4px; background: #fff; color: #202124; }
.settings-view :is(button, input, select):focus-visible { outline: 2px solid var(--display-link, #0b57d0); outline-offset: 2px; }
.settings-view .label-error { color: #b3261e; }
.settings-view .label-error:empty, .general-status:empty, .appearance-font-status:empty { display: none; }
.settings-actions { display: flex; justify-content: center; align-items: center; gap: 16px; padding-top: 20px; }
.settings-actions span { font-size: calc(12px * var(--text-scale, 1)); color: #5f6368; }
.settings-view :is([data-reset-general], [data-reset-appearance]) { margin-top: 16px; }
.general-option { margin-bottom: 20px; }
.general-option p { margin-left: 22px; color: #5f6368; }
.settings-view .general-select { display: grid; grid-template-columns: auto minmax(0, 220px); justify-content: start; gap: 16px; }
.general-select select { width: 100%; }
.appearance-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 24px; }
.appearance-grid > label, .settings-row-content > label:has(select) { display: flex; flex-direction: column;
    align-items: stretch; gap: 8px; margin: 0; max-width: 280px; }
.appearance-grid select { width: 100%; }
.appearance-color { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 8px; min-width: 0; }
.appearance-color label { display: grid; grid-template-columns: 40px 1fr; gap: 8px; margin: 0; }
.appearance-color label > span { grid-column: 1 / -1; }
.appearance-color label input { grid-column: 1; }
.appearance-color label output { align-self: center; font-size: calc(12px * var(--text-scale, 1)); }
.settings-view .appearance-color input[type='color'] { width: 40px; height: 40px; padding: 2px; cursor: pointer; }
.appearance-color p { grid-column: 1 / -1; color: #5f6368; }
.appearance-sample { display: grid; gap: 8px; }
.appearance-sample span { color: #5f6368; }
.appearance-sample .appearance-sample-button { justify-self: start; padding: 8px 16px; border-radius: 20px;
    background: var(--display-primary, #0b57d0); color: var(--display-primary-ink, #fff); }
.label-settings-list { margin-top: 16px; }
.label-setting { display: grid; grid-template-columns: minmax(80px, 1fr) auto auto auto auto; align-items: center;
    gap: 16px; padding: 12px 0; border-bottom: 1px solid #dedede; }
.label-setting .topic-label { justify-self: start; max-width: 100%; overflow: hidden; text-overflow: ellipsis;
    font-size: calc(12px * var(--text-scale, 1)); }
.settings-view .label-setting label { margin: 0; font-size: calc(12px * var(--text-scale, 1)); white-space: nowrap; }
.settings-view .label-setting [data-remove] { border: none; background: none; color: var(--display-link, #185abc);
    padding: 6px 0; font-size: calc(12px * var(--text-scale, 1)); }
.create-label { display: flex; align-items: center; gap: 12px; margin-top: 20px; }
.create-label label { flex: 1; min-width: 0; }
.create-label input { flex: 1; }
@media (width < 1100px) {
    .label-setting { grid-template-columns: minmax(0, 1fr) auto; gap: 12px; }
    .label-setting .topic-label { grid-column: 1; }
    .label-setting [data-remove] { grid-column: 2; grid-row: 1; justify-self: end; }
    .label-setting label:first-of-type { grid-column: 1 / -1; }
}
@media (width < 800px) {
    .settings-body { padding-inline: 16px; }
    .settings-row { grid-template-columns: minmax(0, 1fr); gap: 12px; }
    .settings-row h3 { margin: 0; }
    .settings-view :is(button, input, select) { min-height: 44px; }
    .settings-view input[type='checkbox'] { min-height: 0; }
    .settings-view :is(select, input:not([type='checkbox'])) { font-size: max(16px, calc(14px * var(--text-scale, 1))); }
    .settings-heading { flex-wrap: wrap; gap: 8px; }
}
@media (width < 600px) {
    .appearance-grid { grid-template-columns: minmax(0, 1fr); }
    .settings-view .general-select { grid-template-columns: minmax(0, 1fr); }
    .create-label { flex-wrap: wrap; }
    .create-label label { flex-basis: 100%; flex-wrap: wrap; }
    .create-label input { flex-basis: 100%; }
    .settings-actions { flex-wrap: wrap; }
}

/* quick-settings */
/* Desktop quick settings shares the mailbox theme and keeps appearance updates immediately visible. */
.quick-settings {
    display: flex; flex-direction: column; flex: 0 0 320px; min-width: 0; margin: 0 0 16px 16px;
    background: var(--gmail-surface); color: var(--gmail-ink); color-scheme: var(--gmail-color-scheme);
    border: 1px solid var(--gmail-line); border-radius: 16px; overflow: hidden;
    font-family: var(--display-font, Arial, Helvetica, sans-serif); font-size: calc(14px * var(--text-scale, 1));
}
.quick-settings[hidden] { display: none; }
.quick-settings-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; }
.quick-settings-heading h2 { margin: 0; font-size: calc(18px * var(--text-scale, 1)); font-weight: 400; }
.quick-settings button { color: inherit; font: inherit; cursor: pointer; }
.quick-settings-heading button { width: 40px; height: 40px; border: 0; border-radius: 50%; background: transparent; font-size: 24px; }
.quick-settings-heading button:hover { background: var(--navigation-hover); }
.quick-settings .quick-settings-all {
    margin: 0 16px 16px; padding: 10px 16px; border: 1px solid var(--gmail-line); border-radius: 24px;
    background: transparent; color: var(--gmail-accent); flex-shrink: 0;
}
.quick-settings-all:hover { background: var(--navigation-hover); }
.quick-settings-body { min-height: 0; overflow-y: auto; padding: 16px; border-top: 1px solid var(--gmail-line); }
.quick-settings-body > label { display: grid; gap: 10px; margin-bottom: 24px; }
.quick-settings select {
    width: 100%; min-width: 0; padding: 10px; min-height: 44px; border-radius: 6px; border: 1px solid var(--gmail-line);
    background: var(--gmail-surface); color: var(--gmail-ink); font: inherit;
}
.quick-settings :is(button, select):focus-visible { outline: 2px solid var(--gmail-accent); outline-offset: 2px; }
.quick-settings p { line-height: 1.5; margin: 8px 0; }
.quick-settings .quick-settings-note, .quick-settings .appearance-font-status { color: var(--gmail-muted); font-size: 12px; }
.quick-settings .label-error { color: #f2b8b5; }
:root[data-theme='light'] .quick-settings .label-error { color: #b3261e; }
.quick-settings .label-error:empty, .quick-settings .appearance-font-status:empty { display: none; }
.quick-settings-open .mailbox { min-width: 0; }
@media (800px <= width < 1100px) {
    .quick-settings { position: absolute; z-index: 25; inset: 0 16px 16px auto; width: 320px; margin: 0;
        box-shadow: 0 8px 24px #0005; }
}
@media (width < 800px) { .quick-settings { display: none; } }