:root {
    --ink-950: #0b1220;
    --ink-900: #111a2c;
    --ink-800: #1e293b;
    --ink-700: #334155;
    --ink-600: #475569;
    --ink-500: #64748b;
    --ink-400: #94a3b8;
    --line: #e2e8f0;
    --line-strong: #cbd5e1;
    --canvas: #f3f6fa;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --accent: #0f5bd7;
    --accent-dark: #0b46aa;
    --accent-soft: #eaf2ff;
    --success: #16794f;
    --success-soft: #eaf8f1;
    --warning: #9a6400;
    --warning-soft: #fff5d8;
    --danger: #b42318;
    --danger-soft: #fff0ee;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --sidebar-width: 272px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px rgba(15, 23, 42, .04);
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--canvas); }
body { margin: 0; min-height: 100%; color: var(--ink-900); background: var(--canvas); font-family: "Segoe UI", Arial, sans-serif; font-size: 15px; line-height: 1.5; }
button, input, select, textarea { font: inherit; }
a { color: inherit; }

.app-shell { min-height: 100vh; }
.app-sidebar { position: fixed; inset: 0 auto 0 0; z-index: 40; display: flex; flex-direction: column; width: var(--sidebar-width); padding: 22px 18px 18px; border-right: 1px solid var(--line); background: var(--surface); }
.brand { display: flex; align-items: center; gap: 12px; min-height: 58px; padding: 0 8px 20px; border-bottom: 1px solid var(--line); }
.brand__mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 11px; color: #fff; background: var(--ink-950); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.brand__text strong, .brand__text small { display: block; }
.brand__text strong { color: var(--ink-950); font-size: 16px; letter-spacing: -.02em; }
.brand__text small { margin-top: 1px; color: var(--ink-500); font-size: 11px; }

.primary-nav { flex: 1; overflow-y: auto; padding: 18px 0; }
.primary-nav__group { margin: 22px 10px 8px; color: var(--ink-400); font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.primary-nav__item { position: relative; display: flex; align-items: center; gap: 12px; min-height: 46px; margin: 3px 0; padding: 0 12px; border-radius: 10px; color: var(--ink-600); font-size: 14px; font-weight: 650; text-decoration: none; transition: background .16s ease, color .16s ease; }
.primary-nav__item:hover { color: var(--ink-950); background: var(--surface-soft); }
.primary-nav__item.is-active { color: var(--accent-dark); background: var(--accent-soft); }
.primary-nav__item.is-active::before { content: ""; position: absolute; left: -18px; width: 3px; height: 26px; border-radius: 0 4px 4px 0; background: var(--accent); }
.primary-nav__icon { display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink-500); background: var(--surface); font-size: 10px; font-weight: 800; }
.primary-nav__item.is-active .primary-nav__icon { border-color: #c6dafc; color: var(--accent-dark); }
.primary-nav__badge { margin-left: auto; min-width: 22px; padding: 2px 6px; border-radius: 999px; color: #fff; background: var(--danger); font-size: 11px; text-align: center; }

.account-card { padding: 14px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface-soft); }
.account-card__identity { display: flex; align-items: center; gap: 10px; min-width: 0; }
.account-card__avatar { display: grid; flex: 0 0 auto; place-items: center; width: 38px; height: 38px; border-radius: 10px; color: #fff; background: var(--ink-900); font-size: 12px; font-weight: 800; }
.account-card__text { min-width: 0; }
.account-card__text strong, .account-card__text small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account-card__text strong { font-size: 13px; }
.account-card__text small { color: var(--ink-500); font-size: 11px; }
.account-card form { margin: 10px 0 0; }
.account-card__logout { width: 100%; min-height: 34px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink-600); background: var(--surface); font-size: 12px; font-weight: 700; cursor: pointer; }
.account-card__logout:hover { color: var(--ink-950); border-color: var(--line-strong); }

.app-main { min-height: 100vh; margin-left: var(--sidebar-width); }
.app-header { position: sticky; top: 0; z-index: 25; display: flex; align-items: center; justify-content: space-between; min-height: 76px; padding: 0 34px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .94); backdrop-filter: blur(14px); }
.app-header__left, .app-header__right { display: flex; align-items: center; gap: 14px; }
.app-header__left strong, .app-header__context { display: block; }
.app-header__left strong { color: var(--ink-950); font-size: 15px; }
.app-header__context { color: var(--ink-400); font-size: 10px; font-weight: 750; letter-spacing: .12em; }
.online-indicator, .update-indicator { display: inline-flex; align-items: center; gap: 7px; min-height: 32px; padding: 0 11px; border-radius: 999px; font-size: 12px; font-weight: 700; text-decoration: none; }
.online-indicator { color: var(--success); background: var(--success-soft); }
.online-indicator span { width: 7px; height: 7px; border-radius: 50%; background: #24a66d; }
.update-indicator { color: var(--danger); background: var(--danger-soft); }
.sidebar-toggle { display: none; width: 40px; height: 40px; padding: 9px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); cursor: pointer; }
.sidebar-toggle span { display: block; height: 2px; margin: 4px 0; background: var(--ink-700); }

.app-content { width: min(1480px, 100%); margin: 0 auto; padding: 22px 34px 34px; }
.eyebrow { color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }

.panel, .info-card, .checklist-card, .hero-card, .auth-card, .error-card { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-sm); }
.panel { margin-bottom: 20px; padding: 24px; }
.panel--hero { display: flex; align-items: center; justify-content: space-between; gap: 24px; background: linear-gradient(135deg, #fff, #f7faff); }
.panel h2, .checklist-card h2 { margin: 0 0 5px; color: var(--ink-950); font-size: 17px; letter-spacing: -.015em; }
.panel p, .panel__intro, .checklist-card p, .info-card p { margin: 0; color: var(--ink-500); }
.panel__header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.panel__actions, .table-actions, .form-actions, .panel__subheader { display: flex; align-items: center; gap: 10px; }
.panel__header--filters { align-items: end; }
.panel__header--filters .filter-bar { flex: 1; }
.panel__subheader { justify-content: space-between; margin: 18px 0 12px; }
.panel__subheader h2 { margin: 0; }
.table-actions { flex-wrap: nowrap; }
.table-actions form { margin: 0; }
.form-page { width: 100%; }
.form-stack--page { width: 100%; }
.form-actions { justify-content: flex-end; padding-top: 4px; }
.field-help { color: var(--ink-500); font-size: 11px; font-weight: 500; }
.grid-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-bottom: 20px; }
.info-card { position: relative; overflow: hidden; min-height: 160px; padding: 22px; }
.info-card::after { content: ""; position: absolute; inset: auto -28px -44px auto; width: 100px; height: 100px; border-radius: 50%; background: var(--accent-soft); }
.info-card strong { display: block; margin: 8px 0 10px; color: var(--ink-950); font-size: 34px; line-height: 1; letter-spacing: -.04em; }
.info-card__label { color: var(--ink-500); font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.checklist-card { display: flex; align-items: center; justify-content: space-between; gap: 26px; padding: 26px; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 36px; padding: 0 13px; border: 1px solid var(--accent); border-radius: 9px; color: #fff; background: var(--accent); font-weight: 750; text-decoration: none; cursor: pointer; transition: background .15s ease, border-color .15s ease, transform .15s ease; }
.button:hover { border-color: var(--accent-dark); background: var(--accent-dark); }
.button:active { transform: translateY(1px); }
.button:disabled { opacity: .45; cursor: not-allowed; }
.button--ghost { border-color: var(--line); color: var(--ink-700); background: var(--surface); }
.button--ghost:hover { border-color: var(--line-strong); color: var(--ink-950); background: var(--surface-soft); }
.button--compact { min-height: 34px; padding: 0 11px; border-radius: 8px; font-size: 12px; }
.button--small { min-height: 30px; padding: 0 9px; border-radius: 7px; font-size: 11px; }

.form-stack { display: grid; gap: 14px; margin-top: 18px; }
.form-stack label, .filter-bar label { display: grid; gap: 6px; color: var(--ink-700); font-size: 12px; font-weight: 750; }
.form-stack input, .form-stack select, .form-stack textarea, .filter-bar input, .filter-bar select { width: 100%; min-height: 42px; padding: 9px 11px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); color: var(--ink-900); background: var(--surface); outline: none; }
.form-stack textarea { resize: vertical; }
.form-stack input:focus, .form-stack select:focus, .form-stack textarea:focus, .filter-bar input:focus, .filter-bar select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(15, 91, 215, .10); }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.form-row--name { grid-template-columns: minmax(0, 1fr) minmax(130px, .45fr) minmax(0, 1fr); }
.filter-bar { display: flex; align-items: end; gap: 10px; }
.filter-bar__grow { flex: 1; }

.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 13px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; white-space: nowrap; }
th { color: var(--ink-500); background: var(--surface-soft); font-size: 10px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #fbfdff; }
.table-subline { display: block; margin-top: 2px; color: var(--ink-500); font-size: 11px; font-weight: 400; }
.empty-state { padding: 30px; color: var(--ink-500); text-align: center; }

.status-pill, .status-badge { display: inline-flex; align-items: center; min-height: 27px; padding: 0 9px; border-radius: 999px; font-size: 11px; font-weight: 800; }
.status-pill--success, .status-badge--success { color: var(--success); background: var(--success-soft); }
.status-pill--warning, .status-badge--warning { color: var(--warning); background: var(--warning-soft); }
.status-badge--danger { color: var(--danger); background: var(--danger-soft); }
.alert { margin: 0 0 20px; padding: 13px 15px; border: 1px solid transparent; border-radius: 10px; font-weight: 650; transition: opacity .25s ease; }
.alert--danger { border-color: #ffd2cc; color: var(--danger); background: var(--danger-soft); }
.alert--success { border-color: #c8eedc; color: var(--success); background: var(--success-soft); }
.alert--muted { opacity: .58; }

.guest-body { background: var(--canvas); }
.guest-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(360px, 42%) 1fr; }
.guest-brand { position: relative; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; padding: 64px; color: #fff; background: var(--ink-950); }
.guest-brand::before { content: ""; position: absolute; inset: -140px -110px auto auto; width: 380px; height: 380px; border-radius: 50%; background: rgba(37, 99, 235, .32); }
.guest-brand h1 { position: relative; margin: 22px 0 8px; font-size: clamp(34px, 4vw, 58px); line-height: 1; letter-spacing: -.05em; }
.guest-brand p { position: relative; max-width: 440px; margin: 0; color: #bdc7d7; }
.guest-logo { position: relative; display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; color: var(--ink-950); background: #fff; font-size: 12px; font-weight: 900; letter-spacing: .08em; }
.guest-content { display: grid; place-items: center; padding: 36px; }
.auth-card { width: min(470px, 100%); padding: 34px; }
.auth-card h1 { margin: 4px 0 6px; font-size: 28px; letter-spacing: -.035em; }
.auth-card p { margin: 0; color: var(--ink-500); }
.error-page { display: grid; min-height: 100vh; place-items: center; padding: 24px; }
.error-card { width: min(620px, 100%); padding: 30px; }
.sidebar-backdrop { display: none; }

@media (max-width: 1050px) {
    .app-sidebar { transform: translateX(-100%); transition: transform .2s ease; }
    .app-main { margin-left: 0; }
    .sidebar-toggle { display: block; }
    .sidebar-backdrop { position: fixed; inset: 0; z-index: 35; display: block; background: rgba(11, 18, 32, .45); opacity: 0; pointer-events: none; transition: opacity .2s ease; }
    .sidebar-is-open .app-sidebar { transform: translateX(0); }
    .sidebar-is-open .sidebar-backdrop { opacity: 1; pointer-events: auto; }
}

@media (max-width: 760px) {
    .app-header { min-height: 68px; padding: 0 16px; }
    .app-header__right .online-indicator { display: none; }
    .app-content { padding: 22px 14px; }
    .panel--hero, .checklist-card { flex-direction: column; align-items: stretch; }
    .grid-cards { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .filter-bar { flex-direction: column; align-items: stretch; }
    .panel__header, .panel__header--filters, .panel__actions, .panel__subheader { align-items: stretch; flex-direction: column; }
    .panel__header--filters .filter-bar { width: 100%; }
    .form-actions { flex-direction: column-reverse; }
    .form-actions .button { width: auto; }
    .form-row--name { grid-template-columns: 1fr; }
    .panel, .info-card, .checklist-card, .auth-card { padding: 20px; }
    .guest-shell { display: block; }
    .guest-brand { display: none; }
    .guest-content { min-height: 100vh; padding: 18px; }
}
.form-stack .checkbox-row { display: flex; align-items: center; gap: 9px; }
.checkbox-row input { width: 16px; min-height: 16px; margin: 0; }

.quality-hero { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-bottom: 18px; padding: 22px 24px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); box-shadow: var(--shadow-sm); }
.quality-hero h2 { margin: 3px 0 4px; font-size: 24px; letter-spacing: -.03em; }
.quality-hero p { margin: 0; color: var(--ink-500); }
.quality-eyebrow { color: var(--accent); font-size: 10px; font-weight: 850; letter-spacing: .12em; }
.quality-score { display: grid; min-width: 138px; padding: 16px 18px; border-radius: 12px; text-align: center; }
.quality-score strong { font-size: 34px; line-height: 1; }
.quality-score span { margin-top: 5px; font-size: 11px; font-weight: 750; }
.quality-score.is-good { color: var(--success); background: var(--success-soft); }
.quality-score.is-warning { color: var(--warning); background: var(--warning-soft); }
.quality-score.is-bad { color: var(--danger); background: var(--danger-soft); }
.quality-summary { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
.quality-metric { padding: 14px 15px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.quality-metric span, .quality-metric small { display: block; color: var(--ink-500); }
.quality-metric span { font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.quality-metric strong { display: block; margin: 5px 0 1px; font-size: 24px; }
.quality-metric small { font-size: 10px; }
.quality-metric.is-clean strong { color: var(--success); }
.quality-metric.has-issues strong { color: var(--warning); }
.quality-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 9px; margin-bottom: 14px; }
.quality-stats > div { padding: 11px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface-soft); }
.quality-stats span { display: block; min-height: 30px; color: var(--ink-500); font-size: 10px; font-weight: 700; }
.quality-stats strong { display: block; margin-top: 4px; font-size: 20px; }
.quality-clean { padding: 12px 13px; border: 1px solid #c8eedc; border-radius: 9px; color: var(--success); background: var(--success-soft); font-size: 12px; font-weight: 700; }
.quality-details { margin-top: 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface-soft); }
.quality-details summary { padding: 11px 13px; color: var(--ink-700); font-size: 12px; font-weight: 750; cursor: pointer; }
.quality-advice { margin-top: 18px; }
.quality-advice-list { display: grid; gap: 8px; margin: 0; padding-left: 20px; }
.quality-advice-list li { color: var(--ink-700); }
.quality-note { margin: 15px 0 0; color: var(--ink-500); font-size: 11px; }
@media (max-width: 1180px) { .quality-summary { grid-template-columns: repeat(3, minmax(0, 1fr)); } .quality-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 760px) { .quality-hero { align-items: stretch; flex-direction: column; } .quality-score { min-width: 0; } .quality-summary { grid-template-columns: 1fr; } .quality-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.quality-tabs { position: sticky; top: 74px; z-index: 5; display: flex; gap: 6px; margin: 0 0 18px; padding: 8px; overflow-x: auto; border: 1px solid var(--line); border-radius: 11px; background: rgba(255,255,255,.96); box-shadow: var(--shadow-sm); }
.quality-tabs a { flex: 0 0 auto; padding: 8px 11px; border-radius: 8px; color: var(--ink-700); font-size: 11px; font-weight: 800; text-decoration: none; }
.quality-tabs a:hover { color: var(--accent); background: var(--surface-soft); }
.quality-explorer { margin-bottom: 18px; scroll-margin-top: 145px; }
.quality-table-wrap { max-height: 560px; overflow: auto; border: 1px solid var(--line); border-radius: 10px; }
.quality-table { min-width: 760px; font-size: 12px; }
.quality-table th { position: sticky; top: 0; z-index: 1; }
.quality-table td { white-space: normal; }
.quality-table code { overflow-wrap: anywhere; }
.quality-row--warning { background: #fffaf0; }
.quality-location { display: inline-flex; margin: 2px 4px 2px 0; padding: 4px 7px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-700); background: var(--surface-soft); font-size: 10px; }
.quality-muted { color: var(--ink-500); font-size: 11px; }
.quality-accordion-list { display: grid; gap: 9px; }
.quality-accordion-list .quality-details { margin: 0; }
.quality-accordion-list .quality-details summary { display: flex; align-items: center; justify-content: space-between; gap: 18px; list-style: none; }
.quality-accordion-list .quality-details summary::-webkit-details-marker { display: none; }
.quality-accordion-list .quality-details summary span:first-child { display: grid; gap: 2px; }
.quality-accordion-list .quality-details summary small { color: var(--ink-500); font-weight: 500; }
.quality-detail-body { padding: 0 13px 13px; }
.quality-clean--warning { border-color: #f4dfb6; color: var(--warning); background: #fff8e8; }
@media (max-width: 760px) { .quality-tabs { top: 68px; } .quality-explorer { scroll-margin-top: 135px; } }

.field-note, .field-help, .muted-text { color: var(--ink-500); }
.field-note { font-size: 11px; font-weight: 500; }
.field-help { margin: -8px 0 0; font-size: 12px; }
.status-toggle-form { margin: 0; }
.status-switch { display: inline-flex; align-items: center; gap: 8px; padding: 0; border: 0; color: var(--ink-500); background: transparent; font: inherit; font-size: 12px; font-weight: 750; cursor: pointer; }
.status-switch:disabled { opacity: .55; cursor: not-allowed; }
.status-switch__track { position: relative; width: 34px; height: 19px; border-radius: 999px; background: var(--line); transition: background .18s ease; }
.status-switch__thumb { position: absolute; top: 3px; left: 3px; width: 13px; height: 13px; border-radius: 50%; background: var(--surface); box-shadow: 0 1px 3px rgba(15,23,42,.22); transition: transform .18s ease; }
.status-switch--active { color: var(--success); }
.status-switch--active .status-switch__track { background: var(--success); }
.status-switch--active .status-switch__thumb { transform: translateX(15px); }

.subnav{display:flex;gap:8px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.subnav__item{display:inline-flex;padding:11px 14px;border-bottom:2px solid transparent;color:var(--ink-500);font-weight:700;text-decoration:none}
.subnav__item:hover{color:var(--ink-900)}
.subnav__item.is-active{color:var(--accent);border-bottom-color:var(--accent)}
.panel--spaced{margin-top:18px}
@media (max-width:700px){.subnav{overflow-x:auto}}

/* Customer user management */
.table-subtext { display: block; margin-top: .3rem; color: var(--muted); font-size: .82rem; }
.status-stack { display: flex; flex-direction: column; align-items: flex-start; gap: .4rem; }
.status-badge--neutral { background: #eef1f5; color: #536070; }
.status-badge--warning { background: #fff4d6; color: #875d00; }
.date-list { display: grid; gap: .35rem; margin: 0; min-width: 155px; }
.date-list div { display: grid; grid-template-columns: 78px 1fr; gap: .45rem; }
.date-list dt { color: var(--muted); font-size: .75rem; }
.date-list dd { margin: 0; font-size: .78rem; white-space: nowrap; }
.table-actions--vertical { align-items: stretch; flex-direction: column; }
.table-actions--vertical form, .table-actions--vertical .button { width: 100%; }
.customer-users-table th:last-child, .customer-users-table td:last-child { min-width: 190px; }

/* Separated customer portal */
.customer-portal-body { min-height: 100vh; margin: 0; background: #f4f6f8; color: #18212c; }
.customer-header { min-height: 72px; padding: 0 2rem; background: #fff; border-bottom: 1px solid #e4e8ed; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.customer-brand { display: flex; align-items: center; gap: .75rem; color: inherit; text-decoration: none; }
.customer-brand > span:last-child { display: grid; }
.customer-brand small { color: #707b88; font-size: .72rem; }
.customer-account { display: flex; align-items: center; gap: 1rem; font-size: .9rem; }
.customer-account form { margin: 0; }
.customer-nav { padding: 0 2rem; background: #fff; border-bottom: 1px solid #e4e8ed; }
.customer-nav a { display: inline-block; padding: 1rem 0; color: #5e6975; text-decoration: none; border-bottom: 2px solid transparent; }
.customer-nav a.is-active { color: #18212c; border-bottom-color: #18212c; font-weight: 700; }
.customer-content { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; padding: 2rem 0; }
.customer-welcome { margin-bottom: 1.25rem; }
.customer-welcome h1 { margin-bottom: .35rem; }
.customer-empty-state { padding: 4rem 1rem; }
.customer-empty-state strong { display: block; margin-bottom: .5rem; }
@media (max-width: 720px) {
    .customer-header { padding: .8rem 1rem; align-items: flex-start; }
    .customer-account { align-items: flex-end; flex-direction: column; gap: .5rem; }
    .customer-nav { padding: 0 1rem; }
}

/* Mailbox foundation */
.mail-workspace { display: flex; height: calc(100vh - 132px); min-height: 560px; overflow: hidden; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); box-shadow: var(--shadow-sm); }
.mail-toolbar { display: flex; min-height: 70px; align-items: center; justify-content: space-between; gap: 18px; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.mail-toolbar__title, .mail-toolbar__actions, .mail-search { display: flex; align-items: center; gap: 10px; }
.mail-toolbar__title h2 { margin: 0; font-size: 20px; letter-spacing: -.025em; }
.mail-search { min-width: 300px; padding: 0 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface-soft); color: var(--ink-400); }
.mail-search span { font-size: 11px; font-weight: 800; text-transform: uppercase; }
.mail-search input { width: 100%; min-height: 36px; padding: 0; border: 0; outline: 0; background: transparent; color: var(--ink-500); }
.mail-setup-notice { display: flex; align-items: center; gap: 12px; padding: 12px 18px; border-bottom: 1px solid #f0dfb3; color: var(--warning); background: var(--warning-soft); }
.mail-setup-notice span { flex: 1; color: var(--ink-700); font-size: 12px; }
.mail-layout { display: grid; min-height: 0; flex: 1; grid-template-columns: 190px minmax(280px, 340px) minmax(0, 1fr); overflow: hidden; }
.mail-folders, .mail-list { border-right: 1px solid var(--line); }
.mail-folders { padding: 16px 12px; overflow-y: auto; background: var(--surface-soft); }
.mail-account-label { display: flex; align-items: center; gap: 10px; padding: 10px; margin-bottom: 14px; }
.mail-account-label__mark { display: grid; flex: 0 0 34px; width: 34px; height: 34px; place-items: center; border-radius: 9px; color: var(--accent-dark); background: var(--accent-soft); font-weight: 900; }
.mail-account-label strong, .mail-account-label small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mail-account-label strong { font-size: 12px; }
.mail-account-label small { max-width: 138px; color: var(--ink-500); font-size: 10px; }
.mail-folder-nav { display: grid; gap: 3px; }
.mail-folder-nav__item { display: flex; min-height: 39px; align-items: center; justify-content: space-between; padding: 0 11px; border-radius: 8px; color: var(--ink-600); font-size: 12px; font-weight: 700; text-decoration: none; }
.mail-folder-nav__item.is-active { color: var(--accent-dark); background: var(--accent-soft); }
.mail-folder-nav__item.is-disabled { color: var(--ink-400); cursor: default; }
.mail-folder-nav__item small { font-size: 10px; }
.mail-list { display: flex; min-width: 0; min-height: 0; overflow: hidden; flex-direction: column; background: var(--surface); }
.mail-list__scroll { min-width: 0; min-height: 0; flex: 1; overflow-y: auto; background: var(--surface); }
.mail-preview { min-width: 0; min-height: 0; overflow-y: auto; background: var(--surface); }
.mail-list__header { display: flex; flex: 0 0 auto; min-height: 54px; align-items: center; justify-content: space-between; gap: 10px; padding: 0 16px; border-bottom: 1px solid var(--line); background: var(--surface); }
.mail-list__header span { color: var(--ink-500); font-size: 10px; }
.mail-empty-state, .mail-preview__empty { display: flex; min-height: 360px; align-items: center; justify-content: center; flex-direction: column; padding: 36px; text-align: center; }
.mail-empty-state__icon, .mail-preview__icon { display: grid; width: 46px; height: 46px; margin-bottom: 13px; place-items: center; border: 1px solid var(--line); border-radius: 13px; color: var(--ink-500); background: var(--surface-soft); font-weight: 900; }
.mail-empty-state strong, .mail-preview__empty strong { font-size: 14px; }
.mail-empty-state p, .mail-preview__empty p { max-width: 340px; margin: 6px 0 0; color: var(--ink-500); font-size: 12px; }
.form-actions--split { justify-content: space-between; }
.form-actions__group { display: flex; align-items: center; gap: 8px; }
.button:disabled { opacity: .48; cursor: not-allowed; }

@media (max-width: 1180px) {
    .mail-layout { grid-template-columns: 170px 310px minmax(0, 1fr); }
}
@media (max-width: 900px) {
    .mail-toolbar { align-items: stretch; flex-direction: column; }
    .mail-toolbar__actions { justify-content: space-between; }
    .mail-search { min-width: 0; flex: 1; }
    .mail-layout { grid-template-columns: 180px minmax(0, 1fr); }
    .mail-preview { display: none; }
}
@media (max-width: 640px) {
    .mail-toolbar__actions, .mail-setup-notice, .form-actions--split, .form-actions__group { align-items: stretch; flex-direction: column; }
    .mail-workspace { height: auto; min-height: 0; }
    .mail-layout { display: block; min-height: 0; overflow: visible; }
    .mail-folders { border-right: 0; border-bottom: 1px solid var(--line); }
    .mail-folder-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .mail-list { border-right: 0; overflow: visible; }
    .mail-list__scroll { overflow: visible; }
}
.mail-message-list { display: grid; }
.mail-message-row { display: grid; width: 100%; grid-template-columns: 4px minmax(0, 1fr); min-height: 76px; padding: 0; border: 0; border-bottom: 1px solid var(--line); background: var(--surface); color: inherit; font: inherit; text-align: left; cursor: pointer; }
.mail-message-row__state { background: transparent; }
.mail-message-row.is-unread .mail-message-row__state { background: var(--accent); }
.mail-message-row__content { min-width: 0; padding: 11px 14px; }
.mail-message-row__topline { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.mail-message-row__topline strong, .mail-message-row__subject, .mail-message-row__content small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mail-message-row__topline strong { color: var(--ink-800); font-size: 12px; }
.mail-message-row__topline time { flex: 0 0 auto; color: var(--ink-500); font-size: 10px; }
.mail-message-row__subject { margin-top: 4px; color: var(--ink-700); font-size: 12px; }
.mail-message-row__content small { margin-top: 3px; color: var(--ink-400); font-size: 10px; }
.mail-message-row.is-unread .mail-message-row__topline strong, .mail-message-row.is-unread .mail-message-row__subject { font-weight: 800; }
.mail-message-row:hover, .mail-message-row.is-selected { background: var(--accent-soft); }
.mail-preview-message { min-height: 100%; }
.mail-preview-message__header { padding: 14px 18px 11px; border-bottom: 1px solid var(--line); background: var(--surface); }
.mail-preview-message__header h3 { margin: 0 0 9px; color: var(--ink-900); font-size: 16px; line-height: 1.3; }
.mail-preview-message__back { display: none; margin-bottom: 12px; padding: 0; border: 0; color: var(--accent-dark); background: transparent; font-size: 11px; font-weight: 800; text-decoration: none; cursor: pointer; }
.mail-preview-message__summary { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: 10px; }
.mail-preview-message__summary-main { display: grid; min-width: 0; gap: 2px; }
.mail-preview-message__summary-main strong, .mail-preview-message__summary-main span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mail-preview-message__summary-main strong { color: var(--ink-800); font-size: 11px; }
.mail-preview-message__summary-main > span { color: var(--ink-500); font-size: 10px; }
.mail-preview-message__summary time { color: var(--ink-500); font-size: 10px; white-space: nowrap; }
.mail-preview-message__details-toggle { padding: 0; border: 0; color: var(--accent-dark); background: transparent; font-size: 10px; font-weight: 800; cursor: pointer; }
.mail-preview-message__meta { display: grid; gap: 6px; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); }
.mail-preview-message__meta div { display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 8px; color: var(--ink-600); font-size: 10px; }
.mail-preview-message__meta strong { color: var(--ink-800); }
.mail-preview-message__meta span { min-width: 0; overflow-wrap: anywhere; }
.mail-preview-message__notice, .mail-preview-message__footer { margin: 18px 22px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 9px; color: var(--ink-600); background: var(--surface-soft); font-size: 11px; }
.mail-preview-message__footer { margin-top: 0; }

@media (max-width: 900px) {
    .mail-layout.has-message { display: block; }
    .mail-layout.has-message .mail-folders, .mail-layout.has-message .mail-list { display: none; }
    .mail-layout.has-message .mail-preview { display: block; }
    .mail-preview-message__back { display: inline-block; }
}

.mail-preview__loading { display: flex; min-height: 360px; align-items: center; justify-content: center; flex-direction: column; gap: 12px; color: var(--ink-600); }
.mail-preview__spinner { width: 28px; height: 28px; border: 3px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: mail-spin .8s linear infinite; }
.mail-preview-message__frame { display: block; width: 100%; min-height: 560px; border: 0; background: #fff; }
.mail-empty-state[hidden], .mail-preview__empty[hidden], .mail-preview__loading[hidden], .mail-preview-message[hidden], .mail-preview-message__notice[hidden], .mail-preview-message__footer[hidden], [data-mail-preview-cc-row][hidden] { display: none; }
@keyframes mail-spin { to { transform: rotate(360deg); } }
.mail-list-loader {
    display: flex;
    min-height: 64px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--ink-500);
    background: var(--surface);
    font-size: 11px;
}
.mail-list-loader .mail-preview__spinner {
    width: 20px;
    height: 20px;
}
.mail-list-loader:not(.is-loading) .mail-preview__spinner { visibility: hidden; }
.mail-list-loader[hidden] { display: none; }
.mail-preview-message__actions { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 10px; }
.mail-preview-message__tools { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 10px; }
.mail-preview-message__tool { display: inline-flex; min-height: 30px; align-items: center; gap: 6px; padding: 0 10px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink-600); background: var(--surface-soft); font-size: 10px; font-weight: 800; cursor: pointer; }
.mail-preview-message__tool:hover, .mail-preview-message__tool[aria-expanded="true"] { border-color: var(--accent-border); color: var(--accent-dark); background: var(--accent-soft); }
.mail-preview-message__tool[hidden], .mail-preview-message__meta[hidden] { display: none; }
.mail-composer { display: flex; min-height: 100%; flex-direction: column; background: var(--surface); }
.mail-composer[hidden] { display: none; }
.mail-composer__header { display: flex; min-height: 58px; align-items: center; justify-content: space-between; gap: 12px; padding: 0 20px; border-bottom: 1px solid var(--line); }
.mail-composer__header strong { font-size: 15px; }
.mail-composer__close { width: 32px; height: 32px; padding: 0; border: 0; border-radius: 8px; color: var(--ink-500); background: transparent; font-size: 23px; cursor: pointer; }
.mail-composer__close:hover { background: var(--surface-soft); color: var(--ink-800); }
.mail-composer__fields { display: grid; flex: 1; align-content: start; gap: 0; padding: 8px 20px 0; }
.mail-composer__fields label { display: grid; grid-template-columns: 74px minmax(0, 1fr); align-items: center; gap: 10px; border-bottom: 1px solid var(--line); }
.mail-composer__fields label > span { color: var(--ink-500); font-size: 11px; font-weight: 800; }
.mail-composer__fields input, .mail-composer__fields select, .mail-composer__fields textarea { width: 100%; border: 0; outline: 0; background: transparent; box-shadow: none; }
.mail-composer__fields input, .mail-composer__fields select { min-height: 43px; padding: 7px 0; }
.mail-composer__fields textarea { min-height: 270px; padding: 14px 0; resize: vertical; font: inherit; line-height: 1.55; }
.mail-composer__fields .mail-composer__body { grid-template-columns: 1fr; align-items: start; padding-top: 10px; border-bottom: 0; }
.mail-composer__status { margin: 8px 20px 0; padding: 9px 11px; border-radius: 8px; font-size: 11px; }
.mail-composer__status.is-success { color: var(--success); background: var(--success-soft); }
.mail-composer__status.is-error { color: var(--danger); background: var(--danger-soft); }
.mail-composer__footer { display: flex; gap: 8px; padding: 14px 20px; border-top: 1px solid var(--line); }
@media (max-width: 720px) {
    .mail-composer__fields label { grid-template-columns: 1fr; gap: 2px; padding: 7px 0; }
    .mail-composer__fields input, .mail-composer__fields select { min-height: 34px; }
}

.mail-composer__editor {
    min-height: 280px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    color: var(--ink-900);
    line-height: 1.55;
    overflow-y: auto;
    outline: none;
}
.mail-composer__editor:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(30, 96, 217, .12);
}
.mail-composer__editor .mail-quoted-message {
    margin-top: 18px;
    padding-left: 16px;
    border-left: 3px solid #d9e2ef;
    color: #526176;
}
.mail-composer__editor .mail-quoted-message__intro {
    margin-bottom: 12px;
    font-size: 13px;
}
.mail-composer__editor .mail-forward-header {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #dfe6ef;
    font-size: 13px;
    line-height: 1.6;
}
.mail-composer__editor .mail-forward-header span {
    display: inline-block;
    min-width: 76px;
    font-weight: 700;
}

.mail-signature-field {
    display: grid;
    gap: 8px;
}
.mail-signature-field__header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
}
.mail-signature-editor {
    min-height: 150px;
    padding: 14px 16px;
    overflow-y: auto;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface);
    color: var(--ink-900);
    line-height: 1.5;
    outline: none;
}
.mail-signature-editor:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(30, 96, 217, .12);
}
.mail-composer__signature {
    margin: 12px 0 16px;
}

/* One signature renderer for settings and composer. The saved HTML remains authoritative. */
.mail-signature-content {
    line-height: 1.5;
}
.mail-signature-content img {
    max-width: 100%;
    height: auto;
}


.mail-attachments { padding: 10px 18px 11px; border-bottom: 1px solid var(--line); background: var(--surface-soft); }
.mail-attachments[hidden] { display: none; }
.mail-attachments__header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.mail-attachments__header strong { color: var(--ink-800); font-size: 12px; }
.mail-attachments__header span { color: var(--ink-400); font-size: 10px; font-weight: 700; }
.mail-attachments__list { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 2px; }
.mail-attachments__list .mail-attachment { flex: 0 0 min(280px, 80%); }
.mail-attachment { display: flex; min-width: 0; align-items: stretch; padding: 0; overflow: hidden; }
.mail-attachment__main { display: grid; min-width: 0; flex: 1 1 auto; gap: 2px; padding: 9px 10px; border: 0; color: var(--ink-700); background: transparent; text-align: left; cursor: default; }
button.mail-attachment__main { cursor: pointer; }
button.mail-attachment__main:hover { color: var(--accent-dark); background: var(--surface-soft); }
.mail-attachment__main strong { overflow: hidden; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.mail-attachment__main small { color: var(--ink-400); font-size: 9px; font-weight: 700; }
.mail-attachment__download { display: inline-flex; flex: 0 0 auto; align-items: center; padding: 0 10px; border-left: 1px solid var(--line); color: var(--accent-dark); font-size: 9px; font-weight: 800; text-decoration: none; }
.mail-attachment__download:hover { background: var(--surface-soft); }

/* Shared file preview */
.file-preview-is-open { overflow: hidden; }
.file-preview-modal { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; padding: 24px; background: rgba(15, 23, 42, .58); }
.file-preview-modal[hidden] { display: none; }
.file-preview-modal__dialog { display: grid; width: min(1120px, 96vw); height: min(820px, 92vh); grid-template-rows: auto minmax(0, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); box-shadow: 0 24px 70px rgba(15, 23, 42, .28); }
.file-preview-modal__header { display: flex; min-width: 0; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.file-preview-modal__header strong { min-width: 0; overflow: hidden; color: var(--ink-900); font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.file-preview-modal__actions { display: flex; flex: 0 0 auto; gap: 8px; }
.file-preview-modal__frame { width: 100%; height: 100%; border: 0; background: #fff; }
.file-preview-modal__frame[hidden] { display: none; }
.file-preview-modal__status { display: grid; place-items: center; min-height: 0; padding: 24px; color: var(--ink-500); background: var(--surface-soft); font-size: 12px; text-align: center; }
.file-preview-modal__status[hidden] { display: none; }
.file-preview-modal__status.is-error { color: var(--danger); background: var(--danger-soft); }


@media (max-width: 720px) {
    .file-preview-modal { padding: 0; }
    .file-preview-modal__dialog { width: 100vw; height: 100vh; border: 0; border-radius: 0; }
    .file-preview-modal__header { align-items: flex-start; }
    .file-preview-modal__actions { flex-direction: column; }
}


@media (max-width: 640px) {
    .mail-preview-message__summary { grid-template-columns: minmax(0, 1fr) auto; }
    .mail-preview-message__summary time { grid-column: 1; grid-row: 2; }
    .mail-preview-message__details-toggle { grid-column: 2; grid-row: 1 / span 2; }
    .mail-preview-message__tools { align-items: stretch; flex-direction: column; }
    .mail-preview-message__tool { justify-content: center; }
}
.mail-link-panel {
    padding: 10px 18px 11px;
    border-bottom: 1px solid var(--line);
    background: var(--surface-soft);
}
.mail-link-panel[hidden] { display: none; }
.mail-link-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.mail-link-panel__header > div { display: grid; gap: 2px; }
.mail-link-panel__header strong { color: var(--ink-800); font-size: 11px; }
.mail-link-panel__header span { color: var(--ink-500); font-size: 10px; }
.mail-link-panel__items { display: grid; gap: 7px; margin-top: 9px; }
.mail-link-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 9px 10px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: var(--surface-soft);
}
.mail-link-item__info { display: grid; min-width: 0; gap: 2px; }
.mail-link-item__info a { color: var(--accent-dark); font-size: 11px; font-weight: 800; text-decoration: none; }
.mail-link-item__info span, .mail-link-item__info small { overflow: hidden; color: var(--ink-500); font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.mail-link-panel__form { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 7px; margin-top: 9px; }
.mail-link-panel__form[hidden], .mail-link-panel__status[hidden] { display: none; }
.mail-link-panel__form select { min-width: 0; }
.mail-link-panel__status { margin-top: 8px; color: var(--danger); font-size: 10px; }
@media (max-width: 640px) {
    .mail-link-panel__form { grid-template-columns: 1fr; }
    .mail-link-item { align-items: stretch; flex-direction: column; }
}

/* Mail search and filters */
.mail-search-tools { display: flex; min-width: min(520px, 46vw); align-items: center; gap: 7px; }
.mail-search-tools .mail-search { min-width: 0; flex: 1; }
.mail-filter-bar { display: flex; align-items: end; gap: 10px; padding: 10px 14px; border: 1px solid var(--line); border-top: 0; background: var(--surface); }
.mail-filter-bar[hidden] { display: none; }
.mail-filter-bar label { display: grid; min-width: 130px; gap: 4px; }
.mail-filter-bar label span { color: var(--ink-500); font-size: 10px; font-weight: 800; }
.mail-filter-bar select { min-height: 34px; padding: 5px 30px 5px 9px; }
@media (max-width: 900px) {
    .mail-search-tools { width: 100%; min-width: 0; }
    .mail-filter-bar { align-items: stretch; flex-wrap: wrap; }
    .mail-filter-bar label { min-width: 150px; flex: 1; }
}
@media (max-width: 640px) {
    .mail-search-tools { align-items: stretch; flex-direction: column; }
    .mail-filter-bar { flex-direction: column; }
    .mail-filter-bar label { width: 100%; }
}

.mail-search-status {
    max-width: 220px;
    color: var(--ink-400);
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}
.mail-search-status.is-error { color: var(--danger); }

.checkbox-list { display: grid; gap: .65rem; }
.checkbox-list .checkbox-row { justify-content: flex-start; }

/* SEA LCL cargo dimensions */
.form-row--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 760px) {
    .form-row--three {
        grid-template-columns: 1fr;
    }
}

.relation-field {
    display: grid;
    gap: .5rem;
    align-content: start;
}

.relation-field > label {
    margin: 0;
}

.relation-field__actions {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}