.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 15px; margin-bottom: 20px; }
.metric-card { display: flex; min-height: 138px; align-items: flex-start; gap: 15px; padding: 20px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.metric-icon { display: grid; width: 40px; height: 40px; flex: 0 0 auto; place-items: center; border-radius: 10px; }
.metric-icon .icon { width: 20px; height: 20px; }
.metric-icon.orange { color: var(--accent-dark); background: #fff0e8; }
.metric-icon.green { color: var(--success); background: var(--success-soft); }
.metric-icon.blue { color: var(--info); background: var(--info-soft); }
.metric-icon.red { color: var(--danger); background: var(--danger-soft); }
.metric-card > div > span, .metric-card strong, .metric-card small { display: block; }
.metric-card > div > span { color: var(--muted); font-size: .73rem; font-weight: 700; }
.metric-card strong { margin: 4px 0 2px; color: var(--primary-deep); font-size: 1.55rem; letter-spacing: -.03em; }
.metric-card small { color: #87949e; font-size: .68rem; }
.dashboard-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(320px, .8fr); gap: 20px; }
.dashboard-grid > .panel { padding: 22px; }
.warning-list { margin: 0 -7px; }
.warning-item { display: flex; align-items: center; gap: 12px; padding: 13px 8px; color: var(--text); border-bottom: 1px solid var(--border); border-radius: 7px; }
.warning-item:last-child { border-bottom: 0; }
.warning-item:hover { background: var(--surface-alt); text-decoration: none; }
.mail-avatar { display: grid; width: 34px; height: 34px; flex: 0 0 auto; place-items: center; color: var(--primary); background: #eaf0f4; border: 1px solid #d6e0e6; border-radius: 8px; font-size: .75rem; font-weight: 800; }
.mail-avatar.large { width: 48px; height: 48px; border-radius: 12px; font-size: .95rem; }
.warning-main { min-width: 0; flex: 1; }
.warning-main strong, .warning-main > span { display: block; }
.warning-main strong { overflow: hidden; margin-bottom: 1px; color: var(--primary); font-size: .8rem; text-overflow: ellipsis; white-space: nowrap; }
.warning-main > span { margin-bottom: 7px; color: var(--muted); font-size: .68rem; }
.usage-number { flex: 0 0 50px; text-align: right; }
.usage-number strong, .usage-number small { display: block; }
.usage-number strong { color: var(--primary); font-size: .81rem; }
.usage-number small { color: var(--muted); font-size: .64rem; }
.timeline { position: relative; margin: 0; padding: 0 0 0 4px; list-style: none; }
.timeline::before { position: absolute; top: 9px; bottom: 9px; left: 9px; width: 1px; background: var(--border); content: ""; }
.timeline li { position: relative; display: flex; gap: 13px; padding: 0 0 17px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline-dot { position: relative; z-index: 1; width: 11px; height: 11px; flex: 0 0 auto; margin-top: 5px; background: var(--surface); border: 3px solid var(--accent); border-radius: 50%; }
.timeline strong, .timeline span, .timeline small { display: block; }
.timeline strong { color: var(--primary); font-size: .76rem; }
.timeline span { color: var(--text); font-size: .72rem; word-break: break-word; }
.timeline small { margin-top: 2px; color: var(--muted); font-size: .64rem; }

.mailbox-panel { overflow: hidden; }
.toolbar { display: flex; align-items: flex-end; justify-content: space-between; gap: 14px; padding: 18px; border-bottom: 1px solid var(--border); }
.toolbar > .search-box { width: min(440px, 45%); }
.toolbar-filters { display: flex; align-items: center; gap: 8px; }
.table-meta { display: flex; justify-content: space-between; gap: 15px; padding: 10px 18px; color: var(--muted); background: #fafbfb; border-bottom: 1px solid var(--border); font-size: .69rem; }
.mail-identity { display: flex; min-width: 210px; align-items: center; gap: 10px; }
.mail-identity strong, .mail-identity small { display: block; }
.mail-identity strong { max-width: 280px; overflow: hidden; color: var(--primary); font-size: .8rem; text-overflow: ellipsis; }
.table-progress { display: grid; min-width: 115px; grid-template-columns: minmax(70px, 1fr) auto; align-items: center; gap: 8px; }
.table-progress strong { font-size: .69rem; }
.mailbox-panel td .badge + .badge { margin-left: 4px; }
.table-empty { min-height: 280px; }
.pagination-client, .pagination { display: flex; align-items: center; justify-content: center; gap: 15px; padding: 15px; border-top: 1px solid var(--border); }
.pagination-client span, .pagination span { color: var(--muted); font-size: .73rem; }

.form-layout { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, .55fr); align-items: start; gap: 20px; }
.help-panel { padding: 24px; }
.help-icon { display: grid; width: 42px; height: 42px; place-items: center; margin-bottom: 14px; color: var(--accent-dark); background: #fff0e8; border-radius: 11px; }
.help-panel ul { margin: 16px 0 0; padding-left: 19px; color: var(--muted); font-size: .77rem; }
.help-panel li + li { margin-top: 9px; }
.address-preview { padding: 12px 14px; background: var(--surface-alt); border: 1px dashed var(--border-strong); border-radius: 8px; }
.address-preview span, .address-preview strong { display: block; }
.address-preview span { color: var(--muted); font-size: .68rem; }
.address-preview strong { margin-top: 2px; color: var(--primary); font-size: .9rem; word-break: break-all; }
.quota-options { padding: 0; border: 0; }
.choice-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.choice-grid label { cursor: pointer; }
.choice-grid input { position: absolute; opacity: 0; pointer-events: none; }
.choice-grid span { display: grid; min-height: 40px; place-items: center; padding: 7px; background: var(--surface); border: 1px solid var(--border-strong); border-radius: 7px; font-size: .76rem; font-weight: 700; }
.choice-grid input:checked + span { color: var(--accent-dark); background: #fff2eb; border-color: var(--accent); box-shadow: var(--focus); }
.custom-quota { margin-top: 14px; }

.manage-heading { align-items: center; }
.manage-identity { display: flex; align-items: center; gap: 13px; }
.manage-identity h1 { font-size: clamp(1.35rem, 2.5vw, 1.8rem); word-break: break-word; }
.manage-identity p .badge { margin-left: 5px; vertical-align: middle; }
.tabs { min-width: 0; }
.tab-list { display: flex; overflow-x: auto; margin-bottom: 18px; padding: 4px; background: #e9edef; border-radius: 9px; scrollbar-width: thin; }
.tab-list button { min-height: 37px; flex: 1 0 auto; padding: 8px 14px; color: var(--muted); background: transparent; border: 0; border-radius: 7px; font-size: .76rem; font-weight: 750; }
.tab-list button[aria-selected="true"] { color: var(--primary); background: var(--surface); box-shadow: var(--shadow-sm); }
.tab-panel > * + * { margin-top: 18px; }
.details-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.details-grid > .panel { padding: 23px; }
.storage-number strong, .storage-number span { display: block; }
.storage-number strong { color: var(--primary-deep); font-size: 1.8rem; letter-spacing: -.04em; }
.storage-number span { margin: 2px 0 18px; color: var(--muted); font-size: .78rem; }
.progress-label { display: flex; justify-content: space-between; margin-top: 7px; color: var(--muted); font-size: .67rem; }
.detail-list { margin: 0; }
.detail-list > div { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.detail-list > div:last-child { border-bottom: 0; }
.detail-list dt { color: var(--muted); font-size: .73rem; }
.detail-list dd { margin: 0; color: var(--primary); font-size: .77rem; font-weight: 650; text-align: right; word-break: break-word; }
.current-value { padding: 15px; background: var(--surface-alt); border-radius: 8px; }
.current-value span, .current-value strong, .current-value small { display: block; }
.current-value span { color: var(--muted); font-size: .7rem; }
.current-value strong { color: var(--primary); font-size: 1.25rem; }
.current-value small { color: var(--muted); font-size: .68rem; }
.restriction-explainer { display: flex; gap: 13px; margin: 10px 0 22px; padding: 15px; background: var(--surface-alt); border-radius: 8px; }
.restriction-explainer > .icon { color: var(--accent-dark); }
.restriction-explainer strong { display: block; margin-bottom: 3px; color: var(--primary); font-size: .82rem; }
.restriction-explainer p { font-size: .76rem; }
.block-note { display: block; margin-top: 14px; }
.client-settings, .device-help { padding: clamp(20px, 3vw, 28px); }
.settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; }
.setting-row { display: grid; min-height: 55px; grid-template-columns: minmax(110px, .75fr) minmax(120px, 1fr) auto; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.setting-row > span { color: var(--muted); font-size: .72rem; }
.setting-row > strong { overflow: hidden; color: var(--primary); font-size: .77rem; text-overflow: ellipsis; }
.copy-button { display: inline-flex; align-items: center; gap: 5px; padding: 5px 7px; color: var(--info); background: transparent; border: 0; border-radius: 6px; font-size: .67rem; font-weight: 700; }
.copy-button:hover { background: var(--info-soft); }
.copy-button .icon { width: 14px; height: 14px; }
.password-setting { grid-template-columns: minmax(110px, .75fr) 2fr; }
.device-help details { border-top: 1px solid var(--border); }
.device-help details:last-child { border-bottom: 1px solid var(--border); }
.device-help summary { display: flex; min-height: 48px; align-items: center; justify-content: space-between; padding: 10px 3px; color: var(--primary); font-size: .8rem; font-weight: 750; cursor: pointer; list-style: none; }
.device-help summary::-webkit-details-marker { display: none; }
.device-help details[open] summary span { transform: rotate(45deg); }
.device-help ol { margin: 0 0 17px; padding-left: 25px; color: var(--muted); font-size: .76rem; }
.device-help li + li { margin-top: 5px; }
.danger-zone { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px; background: #fffafa; border-color: #ebc6c6; }
.danger-zone > div { display: flex; align-items: flex-start; gap: 14px; }
.danger-zone p { max-width: 700px; font-size: .79rem; }
.danger-icon { display: grid; width: 40px; height: 40px; flex: 0 0 auto; place-items: center; color: var(--danger); background: var(--danger-soft); border-radius: 10px; }

.filter-form { display: flex; align-items: flex-end; gap: 10px; padding: 18px; border-bottom: 1px solid var(--border); }
.filter-form .grow { min-width: 220px; flex: 1; }
.filter-form .search-box { min-width: 0; }
.filter-form .field:not(.grow) { width: 155px; }
.filter-actions { display: flex; gap: 5px; }
.audit-action { font-weight: 700; }
.account-grid { display: grid; grid-template-columns: minmax(260px, .55fr) minmax(0, 1.45fr); align-items: start; gap: 20px; }
.profile-summary { padding: 27px; text-align: center; }
.profile-avatar { display: grid; width: 72px; height: 72px; place-items: center; margin: 0 auto 13px; color: #fff; background: var(--primary); border-radius: 18px; font-size: 1.45rem; font-weight: 800; }
.profile-summary > p { margin-bottom: 22px; font-size: .78rem; }
.profile-summary .detail-list { text-align: left; }
.account-forms { display: grid; gap: 20px; }
.security-status { display: flex; align-items: center; gap: 10px; margin: 0 0 19px; padding: 11px 12px; border: 1px solid; border-radius: 9px; text-align: left; }
.security-status .icon { width: 19px; }
.security-status span, .security-status strong, .security-status small { display: block; }
.security-status strong { color: var(--primary-deep); font-size: .76rem; }
.security-status small { font-size: .68rem; font-weight: 750; }
.security-status.enabled { color: var(--success); background: var(--success-soft); border-color: #b9dec8; }
.security-status.recommended { color: var(--warning); background: var(--warning-soft); border-color: #ead59f; }
.nested-security-form { margin-top: 20px; }
.nested-security-form > * + * { margin-top: 17px; }
.two-factor-actions { display: grid; gap: 10px; }
.two-factor-actions details { padding: 13px 15px; background: var(--surface-alt); border: 1px solid var(--border); border-radius: 9px; }
.two-factor-actions summary { color: var(--primary-deep); font-size: .8rem; font-weight: 750; cursor: pointer; }
.two-factor-actions details[open] summary { margin-bottom: 16px; }
.two-factor-actions .two-factor-danger { background: #fffafa; border-color: #ebc6c6; }
.two-factor-actions .two-factor-danger summary { color: var(--danger); }
.nested-security-form > p { font-size: .76rem; }
.two-factor-setup-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); align-items: start; gap: 20px; }
.setup-steps { display: grid; gap: 16px; padding: 0; list-style: none; }
.setup-steps li { display: flex; align-items: flex-start; gap: 12px; }
.setup-steps li > span { display: grid; width: 28px; height: 28px; flex: 0 0 auto; place-items: center; color: #fff; background: var(--primary); border-radius: 50%; font-size: .72rem; font-weight: 800; }
.setup-steps strong { display: block; margin-bottom: 2px; color: var(--primary-deep); font-size: .82rem; }
.setup-steps p { font-size: .76rem; }
.secret-field input { color: var(--primary-deep); background: var(--surface-alt); font: 700 .88rem/1.4 Consolas, monospace; letter-spacing: .08em; }
.mobile-authenticator-link { display: inline-flex; }
.verification-panel { position: sticky; top: calc(var(--topbar-height) + 20px); }
.verification-code-input { font: 750 1.18rem/1.2 Consolas, monospace !important; letter-spacing: .13em; }
.centered-cancel { display: flex; justify-content: center; margin-top: 14px; }
.recovery-panel { width: min(760px, 100%); margin: 0 auto; padding: clamp(22px, 4vw, 34px); }
.recovery-heading { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 23px; }
.recovery-heading p { font-size: .8rem; }
.recovery-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; margin-bottom: 22px; }
.recovery-grid code { padding: 11px 14px; color: var(--primary-deep); background: var(--surface-alt); border: 1px solid var(--border); border-radius: 7px; font-size: .9rem; font-weight: 750; letter-spacing: .08em; text-align: center; }
.auth-cancel-form { width: min(440px, 100%); text-align: center; }

.auth-page { min-height: 100vh; background: #eef1f3; }
.signin-page { background: #f1f4f6; }
.signin-shell { position: relative; display: grid; min-height: 100vh; overflow: hidden; place-items: center; padding: 34px 20px; isolation: isolate; }
.signin-shell::before { position: absolute; z-index: -2; inset: 0 0 52% 0; content: ''; background: linear-gradient(135deg, var(--primary-deep), #314b5d); }
.signin-shell::after { position: absolute; z-index: -1; top: -180px; left: 50%; width: 620px; height: 620px; content: ''; background: radial-gradient(circle, rgba(245, 107, 42, .18), transparent 66%); transform: translateX(-50%); pointer-events: none; }
.signin-card { width: min(440px, 100%); padding: 32px; background: rgba(255, 255, 255, .99); border: 1px solid rgba(255, 255, 255, .7); border-radius: 15px; box-shadow: 0 24px 70px rgba(13, 29, 40, .2); }
.signin-card > * + * { margin-top: 22px; }
.signin-brand { display: flex; align-items: center; gap: 11px; }
.signin-brand .brand-mark { width: 42px; height: 42px; }
.signin-brand strong, .signin-brand small { display: block; }
.signin-brand strong { color: var(--primary-deep); font-size: .96rem; }
.signin-brand small { color: var(--muted); font-size: .69rem; }
.signin-heading { padding-top: 5px; }
.signin-heading h1 { margin-bottom: 7px; font-size: 1.65rem; }
.signin-heading p { font-size: .82rem; }
.signin-heading p strong { color: var(--primary); }
.signin-form { display: grid; gap: 18px; }
.signin-options { display: flex; align-items: center; justify-content: space-between; margin-top: -2px; }
.signin-cancel { margin-top: 12px !important; text-align: center; }
.signin-cancel button { padding: 5px 8px; color: var(--muted); background: transparent; border: 0; font-size: .75rem; }
.signin-cancel button:hover { color: var(--primary); }
.signin-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 17px; color: #82909a; border-top: 1px solid var(--border); font-size: .67rem; }
.signin-footer span:first-child { display: flex; align-items: center; gap: 6px; }
.signin-footer .icon { width: 14px; height: 14px; color: var(--success); }
.auth-layout { display: grid; min-height: 100vh; grid-template-columns: minmax(380px, .9fr) minmax(480px, 1.1fr); }
.auth-intro { display: flex; min-height: 100%; flex-direction: column; justify-content: space-between; padding: clamp(40px, 7vw, 85px); color: #fff; background: linear-gradient(145deg, #1f2d39 0%, #314858 100%); }
.auth-brand { display: flex; align-items: center; gap: 11px; }
.auth-brand strong { color: inherit; font-size: 1rem; }
.auth-intro .eyebrow { color: #ffab83; }
.auth-intro h1 { max-width: 570px; color: #fff; font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.07; }
.auth-intro > div > p { max-width: 510px; color: #c5d0d7; font-size: 1rem; }
.auth-features { display: grid; gap: 18px; margin: 35px 0 0; padding: 0; list-style: none; }
.auth-features li { display: flex; align-items: flex-start; gap: 12px; }
.auth-features .icon { color: #ff8a52; }
.auth-features strong, .auth-features span { display: block; }
.auth-features strong { margin-bottom: 2px; color: #fff; font-size: .82rem; }
.auth-features span { color: #b9c6ce; font-size: .74rem; }
.auth-card-wrap { display: grid; place-items: center; align-content: center; padding: 35px; }
.auth-card { width: min(440px, 100%); padding: 34px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow-md); }
.auth-card > * + * { margin-top: 18px; }
.auth-card-heading { display: flex; gap: 14px; margin-bottom: 23px; }
.auth-card-heading h2 { margin-bottom: 4px; font-size: 1.45rem; }
.auth-card-heading p { font-size: .79rem; }
.auth-card-icon { display: grid; width: 44px; height: 44px; flex: 0 0 auto; place-items: center; color: var(--accent-dark); background: #fff0e8; border-radius: 12px; }
.auth-help { text-align: center; font-size: .68rem; line-height: 1.45; }
.auth-footer { margin-top: 20px; color: #84919a; text-align: center; font-size: .69rem; }

.install-page { min-height: 100vh; padding-bottom: 25px; }
.install-header { display: flex; height: 68px; align-items: center; justify-content: space-between; padding: 0 max(24px, calc((100vw - 1100px) / 2)); color: var(--primary); background: var(--surface); border-bottom: 1px solid var(--border); }
.install-header > span { color: var(--muted); font-size: .74rem; }
.install-container { width: min(1100px, calc(100% - 32px)); margin: 38px auto; }
.install-heading { margin-bottom: 25px; }
.install-heading p { max-width: 750px; }
.requirement-panel { margin-bottom: 18px; padding: 23px; }
.requirements-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.requirement { display: flex; align-items: center; gap: 8px; padding: 9px 10px; background: var(--surface-alt); border-radius: 7px; font-size: .7rem; }
.requirement > span { display: grid; width: 20px; height: 20px; place-items: center; border-radius: 50%; font-weight: 900; }
.requirement.passed > span { color: var(--success); background: var(--success-soft); }
.requirement.failed > span { color: var(--danger); background: var(--danger-soft); }
.install-form { display: grid; gap: 18px; }
.step-heading { display: flex; gap: 12px; margin-bottom: 22px; }
.step-heading > span { display: grid; width: 30px; height: 30px; flex: 0 0 auto; place-items: center; color: #fff; background: var(--primary); border-radius: 8px; font-size: .75rem; font-weight: 800; }
.step-heading p { font-size: .78rem; }
.mock-settings { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 20px; padding: 15px; background: var(--info-soft); border: 1px solid #c6ddeb; border-radius: 9px; }
.domain-picker { padding: 17px; background: #f8fafb; border: 1px solid var(--border-strong); border-radius: 10px; }
.domain-picker-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.domain-picker-heading h3 { margin-bottom: 2px; font-size: .9rem; }
.domain-picker-heading p { font-size: .75rem; }
.domain-picker-status { margin-top: 13px; padding: 9px 11px; color: var(--muted); background: var(--surface); border: 1px solid var(--border); border-radius: 7px; font-size: .73rem; }
.domain-picker-status.success { color: var(--success); background: var(--success-soft); border-color: #b9dec8; }
.domain-picker-status.error { color: var(--danger); background: var(--danger-soft); border-color: #efc4c4; }
.domain-picker-toolbar { display: flex; align-items: center; justify-content: space-between; margin-top: 13px; color: var(--muted); font-size: .7rem; }
.domain-picker-toolbar > span { display: flex; gap: 5px; }
.domain-picker-toolbar button { padding: 3px 6px; color: var(--info); background: transparent; border: 0; font-size: .7rem; }
.domain-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 9px; }
.domain-options:empty { display: none; }
.domain-options label { display: flex; min-width: 0; align-items: center; gap: 9px; padding: 10px 11px; background: var(--surface); border: 1px solid var(--border); border-radius: 7px; cursor: pointer; }
.domain-options label:has(input:checked) { background: var(--success-soft); border-color: #a9d4ba; }
.domain-options input { width: 16px; height: 16px; flex: 0 0 auto; margin: 0; accent-color: var(--success); }
.domain-options span { overflow: hidden; color: var(--primary-deep); font-size: .75rem; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.domain-connections { display: grid; gap: 15px; padding: 18px; background: #f8fafb; border: 1px solid var(--border-strong); border-radius: 10px; }
.domain-connections-heading, .domain-connection-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.domain-connections-heading h3 { margin: 3px 0; font-size: .94rem; }
.domain-connections-heading p, .domain-connection-heading p { font-size: .73rem; }
.domain-connection-list { display: grid; gap: 13px; }
.domain-connection-card { padding: 17px; background: var(--surface); border: 1px solid var(--border); border-radius: 9px; box-shadow: 0 2px 8px rgba(24, 49, 65, .04); }
.domain-connection-heading { align-items: center; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.domain-connection-heading h4 { margin-bottom: 2px; color: var(--primary-deep); font-size: .86rem; }
.domain-port-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.domain-security-grid { margin-bottom: 0; }
.domain-connection-card .field { margin-bottom: 13px; }
.domain-port-grid .field, .domain-security-grid .field { margin-bottom: 0; }
.fallback-settings { padding: 13px 15px; background: var(--surface-alt); border: 1px solid var(--border); border-radius: 8px; }
.fallback-settings summary { color: var(--primary); font-size: .8rem; font-weight: 750; cursor: pointer; }
.fallback-settings > p { margin: 7px 0 15px; font-size: .73rem; }
.install-submit { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px; background: var(--primary); border-radius: var(--radius); }
.install-submit > div { display: flex; align-items: flex-start; gap: 10px; color: #fff; }
.install-submit strong, .install-submit span { display: block; }
.install-submit strong { font-size: .8rem; }
.install-submit span { color: #bbc8d0; font-size: .7rem; }

.error-page { display: grid; min-height: 100vh; place-items: center; padding: 25px; }
.error-card { width: min(500px, 100%); padding: 40px; text-align: center; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.error-icon { display: grid; width: 60px; height: 60px; place-items: center; margin: 0 auto 18px; color: var(--accent-dark); background: #fff0e8; border-radius: 15px; }
.error-icon .icon { width: 28px; height: 28px; }
.error-card p { margin: 0 auto 23px; }

@media (max-width: 1180px) {
    .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .dashboard-grid { grid-template-columns: 1fr; }
    .requirements-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
    .form-layout, .account-grid { grid-template-columns: 1fr; }
    .two-factor-setup-grid { grid-template-columns: 1fr; }
    .verification-panel { position: static; }
    .help-panel { order: 2; }
    .settings-grid { grid-template-columns: 1fr; }
    .filter-form { flex-wrap: wrap; }
    .filter-form .grow { flex-basis: 100%; }
    .auth-layout { grid-template-columns: 1fr; }
    .auth-intro { min-height: auto; gap: 42px; padding: 42px; }
    .auth-intro h1 { max-width: 650px; font-size: 2.2rem; }
    .auth-card-wrap { padding: 45px 20px; }
}
@media (max-width: 720px) {
    .toolbar { align-items: stretch; flex-direction: column; }
    .toolbar > .search-box { width: 100%; }
    .toolbar-filters { flex-wrap: wrap; }
    .toolbar-filters .select-label { flex: 1 1 145px; }
    .toolbar-filters select { width: 100%; }
    .details-grid { grid-template-columns: 1fr; }
    .choice-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .danger-zone { align-items: stretch; flex-direction: column; }
    .danger-zone .button { align-self: flex-start; }
    .filter-form .field:not(.grow) { width: calc(50% - 5px); }
    .filter-actions { width: 100%; }
    .install-submit { align-items: stretch; flex-direction: column; }
    .install-submit .button { width: 100%; }
}
@media (max-width: 560px) {
    .metric-grid { grid-template-columns: 1fr; }
    .metric-card { min-height: 110px; }
    .dashboard-grid > .panel { padding: 18px; }
    .mailbox-panel { overflow: visible; background: transparent; border: 0; box-shadow: none; }
    .mailbox-panel .toolbar, .mailbox-panel .table-meta, .mailbox-panel .pagination-client { background: var(--surface); border: 1px solid var(--border); }
    .mailbox-panel .toolbar { border-radius: var(--radius) var(--radius) 0 0; }
    .mailbox-panel .table-meta { border-top: 0; }
    .mailbox-panel .pagination-client { border-radius: 0 0 var(--radius) var(--radius); }
    .mail-identity { min-width: 0; justify-content: flex-end; }
    .mail-identity .mail-avatar, .mail-identity small { display: none; }
    .mail-identity strong { max-width: 190px; white-space: normal; word-break: break-all; }
    .table-progress { min-width: 130px; }
    .manage-heading { align-items: stretch; }
    .manage-heading .button { align-self: flex-start; }
    .manage-identity { align-items: flex-start; }
    .manage-identity .mail-avatar { display: none; }
    .tab-list { margin-right: -14px; margin-left: -14px; border-radius: 0; }
    .setting-row { grid-template-columns: minmax(90px, .8fr) minmax(100px, 1fr) auto; }
    .copy-button span { display: none; }
    .filter-form { padding: 14px; }
    .filter-form .field:not(.grow) { width: 100%; }
    .profile-summary { padding: 22px; }
    .recovery-grid { grid-template-columns: 1fr; }
    .recovery-panel .form-actions { align-items: stretch; flex-direction: column; }
    .auth-intro { padding: 30px 24px; }
    .auth-intro h1 { font-size: 1.8rem; }
    .auth-features { display: none; }
    .auth-card { padding: 25px 20px; }
    .auth-card-wrap { padding: 30px 14px; }
    .signin-shell { align-items: start; padding: 24px 13px; }
    .signin-shell::before { bottom: 45%; }
    .signin-card { padding: 25px 20px; }
    .requirements-grid { grid-template-columns: 1fr; }
    .install-container { width: min(100% - 20px, 1100px); margin: 25px auto; }
    .install-header { padding: 0 14px; }
    .install-header > span { display: none; }
    .mock-settings { grid-template-columns: 1fr; }
    .domain-picker-heading { align-items: stretch; flex-direction: column; }
    .domain-picker-heading .button { width: 100%; }
    .domain-options { grid-template-columns: 1fr; }
    .domain-connections-heading { align-items: flex-start; }
    .domain-port-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .install-submit { padding: 18px; }
}

@media (max-width: 520px) {
    .domain-port-grid { grid-template-columns: 1fr; }
}