:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #667085;
  --line: #e4e8ef;
  --surface: #ffffff;
  --surface-soft: #f7f9fc;
  --accent: #2558d9;
  --accent-dark: #173d9f;
  --focus: #164bd7;
  --success: #087443;
  --warning: #9a5b00;
  --danger: #b42318;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { min-width: 320px; background: var(--surface-soft); }
body { margin: 0; color: var(--ink); background: var(--surface-soft); line-height: 1.5; }
a { color: var(--accent-dark); }
a:focus-visible, button:focus-visible, select:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.shell { width: min(100% - 2rem, 1240px); margin-inline: auto; }
.skip-link { position: absolute; left: 1rem; top: -4rem; z-index: 10; padding: .65rem .9rem; color: #fff; background: var(--ink); border-radius: .5rem; }
.skip-link:focus { top: 1rem; }
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.site-header__inner { display: flex; min-height: 4.5rem; align-items: center; justify-content: space-between; gap: 1rem; }
.wordmark { display: inline-flex; align-items: center; gap: .65rem; color: var(--ink); font-weight: 760; letter-spacing: -.02em; text-decoration: none; }
.wordmark__mark { display: grid; width: 2rem; height: 2rem; place-items: center; color: #fff; background: var(--accent); border-radius: .6rem; font-weight: 800; }
.site-header__account { display: grid; gap: .1rem; text-align: right; }
.site-header__name { font-size: .9rem; font-weight: 700; }
.site-header__email { color: var(--muted); font-size: .78rem; }
.app-frame { display: grid; grid-template-columns: 15rem minmax(0, 1fr); min-height: calc(100vh - 4.5rem); }
.sidebar { padding: 2rem 1rem 2rem 0; }
.sidebar__eyebrow, .eyebrow { color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.sidebar__eyebrow { margin: 0 0 .65rem; }
.field-label { display: block; margin: 0 0 .35rem; color: var(--muted); font-size: .8rem; font-weight: 650; }
.select, input, textarea { width: 100%; border: 1px solid #cfd6e2; border-radius: .55rem; color: var(--ink); background: var(--surface); font: inherit; }
.select, input { min-height: 2.65rem; padding: .45rem .7rem; }
.nav-list { display: grid; gap: .25rem; margin-top: 1.5rem; }
.nav-item { display: block; padding: .65rem .75rem; border-radius: .55rem; color: var(--muted); font-weight: 650; text-decoration: none; }
.nav-item:hover { color: var(--ink); background: #edf2ff; }
.nav-item--active { color: var(--accent-dark); background: #e9efff; }
.main-content { min-width: 0; padding: 2.5rem 0 4rem 2.5rem; border-left: 1px solid var(--line); }
.content-width { max-width: 870px; }
h1, h2, h3 { margin: 0; color: var(--ink); line-height: 1.15; letter-spacing: -.025em; }
h1 { font-size: clamp(1.8rem, 3vw, 2.55rem); }
h2 { font-size: 1.35rem; }
.lede { max-width: 62ch; color: var(--muted); }
.page-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2rem; }
.page-heading .lede { margin-bottom: 0; }
.page-heading--settings { display: block; }
.page-heading--settings .eyebrow { margin: 0 0 .6rem; }
.page-heading--settings .lede { margin-top: .75rem; }
.page-content { display: grid; gap: 1.25rem; }
.settings-card { padding: clamp(1.2rem, 3vw, 1.75rem); border: 1px solid var(--line); border-radius: .75rem; background: var(--surface); }
.settings-card > :first-child { margin-top: 0; }
.settings-card > :last-child { margin-bottom: 0; }
.settings-form { display: grid; gap: 1rem; }
.settings-form .form-field { margin: 0; }
.muted { color: var(--muted); }
.secret-panel { padding: 1rem; border: 1px dashed #9aabd0; border-radius: .65rem; background: #f5f7fc; }
.session-list, .api-key-list { display: grid; gap: .75rem; margin: 0; padding: 0; list-style: none; }
.session-list > li, .api-key-list > li { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: .6rem; background: var(--surface); }
.button-row { display: flex; flex-wrap: wrap; gap: .65rem; align-items: center; }
.metric-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.metric-card { min-width: 0; padding: 1.2rem; border: 1px solid var(--line); border-radius: .75rem; background: var(--surface); }
.metric-card__label, .metric-card__detail { margin: 0; color: var(--muted); font-size: .82rem; }
.metric-card__label { font-weight: 750; }
.metric-card__value { margin: .55rem 0 .15rem; color: var(--ink); font-size: clamp(1.8rem, 4vw, 2.35rem); font-weight: 800; letter-spacing: -.05em; line-height: 1; }
.metric--positive { border-top: 3px solid var(--success); }
.metric--attention { border-top: 3px solid #e09a24; }
.metric--neutral { border-top: 3px solid #9aabd0; }
.dashboard-panel { padding: clamp(1.2rem, 3vw, 1.75rem); border: 1px solid var(--line); border-radius: .75rem; background: var(--surface); }
.dashboard-panel__heading { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.dashboard-panel__heading h2 { margin-top: .25rem; }
.dashboard-panel--summary { margin-bottom: 1.5rem; }
.role-badge { padding: .3rem .55rem; border-radius: 999px; color: var(--accent-dark); background: #e9efff; font-size: .78rem; font-weight: 750; }
.grant-list { display: grid; gap: .55rem; margin: 0; padding: 0; list-style: none; }
.grant-list li { display: flex; justify-content: space-between; gap: 1rem; padding: .65rem .75rem; border: 1px solid var(--line); border-radius: .5rem; background: var(--surface-soft); }
.grant-list__access { color: var(--muted); font-size: .84rem; }
.activity-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.activity-item { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: .8rem; align-items: start; padding: 1rem 0; border-top: 1px solid var(--line); }
.activity-item__dot { width: .65rem; height: .65rem; margin-top: .35rem; border: 3px solid #b8c7ef; border-radius: 50%; background: var(--accent); }
.activity-item p { margin: 0; }
.activity-item__label { font-weight: 750; }
.activity-item__detail, .activity-item__time { color: var(--muted); font-size: .84rem; }
.activity-item__time { white-space: nowrap; }
.empty-state { padding: 2rem 1rem; text-align: center; }
.empty-state h3 { font-size: 1.05rem; }
.empty-state p { max-width: 45ch; margin: .5rem auto 0; color: var(--muted); }
.flash { display: flex; gap: .6rem; align-items: baseline; margin: 0 0 1.5rem; padding: .85rem 1rem; border: 1px solid; border-radius: .65rem; background: var(--surface); }
.flash__label { font-size: .8rem; font-weight: 800; }
.flash--success { color: var(--success); border-color: #9dd8ba; background: #effaf4; }
.flash--info { color: var(--accent-dark); border-color: #aec2fa; background: #f0f4ff; }
.flash--warning { color: var(--warning); border-color: #f3cc8e; background: #fff8eb; }
.flash--error { color: var(--danger); border-color: #f0b5b0; background: #fff3f2; }
.button { display: inline-flex; min-height: 2.65rem; align-items: center; justify-content: center; padding: .55rem 1rem; border: 1px solid transparent; border-radius: .55rem; font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; }
.button--primary { color: #fff; background: var(--accent); }
.button--primary:hover { background: var(--accent-dark); }
.button--ghost { min-height: 2rem; padding: .25rem .6rem; color: var(--muted); border-color: var(--line); background: var(--surface); font-size: .8rem; }
.button--ghost:hover { color: var(--ink); background: var(--surface-soft); }
.auth-layout { display: grid; min-height: 100vh; place-items: center; padding: 2rem 1rem; background: linear-gradient(135deg, #f5f8ff 0%, #fff 60%, #f8fafc 100%); }
.auth-card { width: min(100%, 29rem); padding: clamp(1.5rem, 4vw, 2.5rem); border: 1px solid var(--line); border-radius: 1rem; background: var(--surface); box-shadow: 0 1.2rem 3rem rgba(24, 42, 76, .08); }
.auth-header { margin-bottom: 1.5rem; }
.auth-header h1 { margin-top: .75rem; }
.form-field { display: grid; gap: .4rem; margin: 1rem 0; }
.form-field label { color: var(--ink); font-size: .88rem; font-weight: 700; }
.form-field input { min-height: 2.85rem; }
.form-help, .optional { color: var(--muted); font-size: .82rem; }
.optional { font-weight: 500; }
.notice { margin: 1rem 0; padding: .8rem .9rem; border: 1px solid; border-radius: .6rem; }
.notice-error { color: var(--danger); border-color: #f0b5b0; background: #fff3f2; }
.notice-success { color: var(--success); border-color: #9dd8ba; background: #effaf4; }
.auth-links { display: flex; flex-wrap: wrap; gap: .5rem 1rem; margin-top: 1.25rem; font-size: .88rem; }
.error-page { display: grid; min-height: 100vh; align-content: center; justify-items: start; padding-block: 4rem; }
.error-page__code { color: #b9c4db; font-size: clamp(5rem, 16vw, 10rem); font-weight: 850; letter-spacing: -.08em; line-height: .9; }
.error-page h1 { margin-top: 1rem; }
.request-id { color: var(--muted); font-size: .85rem; }
code { padding: .1rem .3rem; border-radius: .3rem; background: #edf0f5; font-size: .9em; }
/* htmx request indicators. htmx's own inline indicator style is disabled
   (includeIndicatorStyles=false in app.js) because the CSP blocks inline styles. */
.htmx-indicator { opacity: 0; visibility: hidden; }
.htmx-request .htmx-indicator, .htmx-request.htmx-indicator { opacity: 1; visibility: visible; transition: opacity 200ms ease-in; }
@media (max-width: 720px) {
  .site-header__inner { align-items: flex-start; padding-block: 1rem; }
  .site-header__account { max-width: 52%; }
  .app-frame { display: block; }
  .sidebar { padding: 1.25rem 0 0; }
  .nav-list { display: flex; gap: .35rem; margin-top: 1rem; overflow-x: auto; padding-bottom: .25rem; }
  .nav-item { flex: 0 0 auto; white-space: nowrap; }
  .main-content { padding: 1.5rem 0 3rem; border-left: 0; }
  .page-heading { display: grid; align-items: start; gap: 1rem; }
  .metric-grid { grid-template-columns: 1fr; }
  .activity-item { grid-template-columns: auto minmax(0, 1fr); }
  .activity-item__time { grid-column: 2; }
}

/* Lists and contacts use the shared light-theme controls. */
.contacts-page form, .contacts-page details, .contacts-page nav { margin-block: 1rem; }
.contacts-page form { max-width: 48rem; }
.contacts-page label { display: grid; gap: .35rem; }
.contacts-page fieldset { display: grid; gap: 1rem; border: 1px solid var(--line); border-radius: .55rem; }
.contacts-page input[type="checkbox"] { width: 1.2rem; min-height: 1.2rem; }
.contacts-page textarea { min-height: 5rem; padding: .7rem; }
.contacts-page .button { margin: .2rem; }
.contacts-page summary { cursor: pointer; font-weight: 700; }
.contacts-table { overflow-x: auto; margin-block: 1.5rem; }
.contacts-table table { border-collapse: collapse; width: 100%; text-align: left; }
.contacts-table th, .contacts-table td { padding: .75rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.contacts-table caption { text-align: left; font-weight: 700; padding-block: .5rem; }

/* Brand template browser and isolated editor shell. */
.template-page { display: grid; gap: 1.25rem; }
.template-page__heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1.5rem; }
.template-page__heading .eyebrow { margin: 0 0 .45rem; }
.template-page__heading .lede { margin: .7rem 0 0; }
.template-feedback { min-height: 1.5rem; margin: 0; color: var(--success); font-weight: 650; }
.template-feedback--error { color: var(--danger); }
.template-search { display: grid; gap: .4rem; max-width: 38rem; }
.template-search > label { font-size: .88rem; font-weight: 700; }
.template-search__controls { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .65rem; }
.template-table { overflow-x: auto; }
.template-table table { width: 100%; border-collapse: collapse; text-align: left; }
.template-table caption { padding: 0 0 .65rem; color: var(--muted); font-size: .82rem; font-weight: 700; text-align: left; }
.template-table th, .template-table td { padding: .8rem .65rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.template-table tbody th { min-width: 10rem; }
.template-table__secondary { display: block; color: var(--muted); font-size: .82rem; }
.template-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .4rem; min-width: 12rem; }
.template-action--danger { color: var(--danger); }
.template-pagination { display: flex; justify-content: space-between; gap: .75rem; }
.template-editor-form { display: grid; gap: 1.5rem; }
.template-editor-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.template-editor-grid label { display: grid; align-content: start; gap: .4rem; font-size: .88rem; font-weight: 700; }
.template-editor-grid__wide { grid-column: 1 / -1; }
.template-editor-grid textarea { min-height: 10rem; padding: .7rem; resize: vertical; }
.template-editor-grid input[readonly], .template-editor-grid textarea[readonly] { color: var(--muted); background: var(--surface-soft); }
.template-tools { display: grid; gap: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: .65rem; background: var(--surface-soft); }
.template-tools[aria-busy="true"] { opacity: .78; }
.template-tools__heading { display: flex; align-items: start; justify-content: space-between; gap: 1rem; }
.template-tools__heading p { margin: .35rem 0 0; }
.template-tool-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.template-tool-card { display: grid; align-content: start; gap: .55rem; min-width: 0; padding: .9rem; border: 1px solid var(--line); border-radius: .6rem; background: var(--surface); }
.template-tool-card > label { font-size: .88rem; font-weight: 700; }
.template-tool-card .form-help { min-height: 2.5rem; margin: 0; }
.template-tool-card .button { justify-self: start; }
.template-save-first { margin: 0; color: var(--accent-dark); border-color: #aec2fa; background: #f0f4ff; }
.template-tools-feedback { min-height: 1.5rem; margin: 0; color: var(--muted); font-size: .88rem; font-weight: 650; }
.template-tools-feedback--error { color: var(--danger); }
.template-asset-list { display: grid; gap: .65rem; margin: 0; padding: 0; list-style: none; }
.template-asset { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-width: 0; padding: .8rem; border: 1px solid var(--line); border-radius: .6rem; background: var(--surface); }
.template-asset__description { display: grid; min-width: 0; gap: .25rem; }
.template-asset__heading { display: flex; min-width: 0; align-items: center; gap: .55rem; }
.template-asset__heading strong { overflow-wrap: anywhere; }
.template-asset__kind { flex: 0 0 auto; padding: .18rem .42rem; border-radius: 999px; color: var(--accent-dark); background: #e9efff; font-size: .72rem; font-weight: 750; }
.template-asset__metadata { color: var(--muted); font-size: .8rem; }
.template-asset__reference { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.template-asset__actions { display: flex; flex: 0 0 auto; flex-wrap: wrap; justify-content: flex-end; gap: .4rem; }
.template-copy-fallback { position: fixed; left: -10000px; top: 0; width: 1px; height: 1px; opacity: 0; }
.template-document-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; }
.template-document-heading p { margin: .35rem 0 0; }
.template-editor-frame { display: block; width: 100%; min-height: 42rem; border: 1px solid var(--line); border-radius: .65rem; background: #fff; }
.template-editor-submit { display: flex; justify-content: flex-end; }

@media (max-width: 720px) {
  .template-page__heading { display: grid; }
  .template-search__controls, .template-editor-grid, .template-tool-grid { grid-template-columns: 1fr; }
  .template-editor-grid__wide { grid-column: auto; }
  .template-actions { justify-content: flex-start; min-width: 16rem; }
  .template-asset { display: grid; }
  .template-asset__actions { justify-content: flex-start; }
  .template-editor-frame { min-height: 34rem; }
}
.template-preview__options { display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; }
.template-preview__group { display: flex; flex-wrap: wrap; gap: .4rem; }
.template-preview__frame { width: 100%; min-height: 70vh; border: 1px solid var(--line); border-radius: .5rem; background: #fff; }
.campaign-counts { display: flex; flex-wrap: wrap; gap: .6rem; margin: 0; padding: 0; list-style: none; }
.campaign-count a { display: grid; min-width: 7rem; padding: .7rem .9rem; border: 1px solid var(--line); border-radius: .5rem; background: var(--surface); color: inherit; text-decoration: none; }
.campaign-count a[aria-current="true"] { border-color: var(--accent); }
.campaign-count__value { font-size: 1.4rem; font-weight: 700; }
.campaign-count__label { color: var(--muted); font-size: .85rem; }
.campaign-status { display: inline-block; padding: .1rem .5rem; border-radius: 999px; background: var(--surface-soft); font-size: .8rem; font-weight: 600; }
.campaign-status--sending, .campaign-status--scheduled { color: var(--warning); }
.campaign-status--sent { color: var(--success); }
.campaign-status--stopped { color: var(--danger); }
.button--link { padding: 0; border: 0; background: none; color: var(--accent); font: inherit; text-decoration: underline; cursor: pointer; }
.campaign-estimate { display: grid; justify-items: start; }
.campaign-recipients { display: grid; gap: 1rem; }
.campaign-recipient-list { display: grid; gap: .5rem; padding: .8rem 1rem; border: 1px solid var(--line); border-radius: .5rem; }
.campaign-recipient-list legend { padding: 0 .3rem; font-weight: 600; }
.campaign-recipient-choice { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem; }
.campaign-recipient-choice--segment { padding-left: 1rem; }
.presend-summary, .presend-limits, .presend-links, .presend-test { display: grid; gap: .6rem; }
.presend-ready { color: var(--success); }
.presend-blocked { color: var(--danger); }
.presend-list { margin: 0; padding-left: 1.2rem; }
.presend-list--blockers li { color: var(--danger); }
.presend-list--warnings li { color: var(--warning); }
.presend-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: .6rem 1.2rem; margin: 0; }
.presend-facts dt { color: var(--muted); font-size: .85rem; overflow-wrap: anywhere; }
.presend-facts dd { margin: 0; font-weight: 600; }
.presend-ok { color: var(--success); }
.presend-problem { color: var(--danger); }
.presend-link-table { width: 100%; table-layout: fixed; }
.presend-link-url { overflow-wrap: anywhere; color: var(--ink); }
.presend-test-table { width: 100%; table-layout: fixed; }
.presend-test-state--sent { color: var(--success); }
.presend-test-state--failed { color: var(--danger); }
.presend-test-state--queued, .presend-test-state--sending { color: var(--warning); }