:root {
  color-scheme: light;
  --ink: #182421;
  --ink-soft: #3f4d48;
  --muted: #6f7974;
  --paper: #f2eee6;
  --paper-deep: #e7e0d4;
  --surface: #fffdf8;
  --surface-soft: #f8f4ec;
  --line: #d7d0c4;
  --line-strong: #a9aaa1;
  --rail: #172a30;
  --rail-soft: #20383f;
  --leaf: #1f684f;
  --leaf-dark: #164936;
  --mint: #dcebdd;
  --signal: #e2622b;
  --signal-soft: #f6dfd0;
  --warning: #8a4d12;
  --danger: #a3382f;
  --shadow: 0 1.25rem 3rem rgba(32, 42, 37, 0.09);
  --display: Georgia, "Noto Serif TC", "Songti TC", "Microsoft JhengHei", serif;
  --body: Aptos, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-family: var(--body);
}

* { box-sizing: border-box; }
html { background: var(--paper); }
body { margin: 0; min-width: 20rem; background: var(--paper); color: var(--ink); font-size: 1rem; line-height: 1.5; }
button, input, select { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
p { margin-block: 0; }
h1, h2, h3 { margin: 0; font-family: var(--display); font-weight: 600; line-height: 1.08; }
h1 { max-width: 18ch; font-size: clamp(2.15rem, 7vw, 4.4rem); letter-spacing: -0.045em; }
h2 { font-size: clamp(1.35rem, 3vw, 1.9rem); letter-spacing: -0.025em; }
code, .mono { font-family: var(--mono); }
time { color: var(--muted); font-size: 0.875rem; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.muted, .supporting { color: var(--muted); }
.supporting { margin-top: 0.45rem; font-size: 0.92rem; }
.kicker { margin: 0 0 0.45rem; color: var(--leaf); font-family: var(--mono); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.16em; }
.kicker.light { color: #a8cfb8; }

.app-shell { min-height: 100vh; }
.side-rail { display: none; }
.workspace { min-width: 0; }
.workspace-main { width: min(100%, 95rem); margin-inline: auto; padding: 1.35rem 1rem 7.5rem; }

.mobile-header { position: sticky; z-index: 20; top: 0; display: flex; align-items: center; justify-content: space-between; min-height: 4rem; padding: 0.6rem 1rem; color: #fff; background: var(--rail); border-bottom: 0.2rem solid var(--signal); }
.mobile-brand { display: inline-flex; min-height: 2.75rem; align-items: center; gap: 0.65rem; font-family: var(--display); font-size: 1.08rem; font-weight: 700; }
.mobile-brand > span { display: grid; width: 2.1rem; height: 2.1rem; place-items: center; color: var(--rail); background: #f5f0e6; font-family: var(--mono); font-size: 0.72rem; }
.service-state > span, .auth-footnote > span { width: 0.5rem; height: 0.5rem; background: #6ce0a1; border-radius: 50%; box-shadow: 0 0 0 0.25rem rgba(108, 224, 161, 0.13); }
.mobile-logout-form { display: flex; }
.mobile-logout { min-width: 2.75rem; min-height: 2.75rem; padding: 0.45rem 0.7rem; color: #dce8e4; background: transparent; border: 1px solid #52666b; border-radius: 0.2rem; font-size: 0.78rem; font-weight: 800; cursor: pointer; }
.mobile-logout:hover { color: #fff; background: var(--rail-soft); }

.mobile-nav { position: fixed; z-index: 30; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: repeat(4, 1fr); min-height: 4.8rem; padding-bottom: env(safe-area-inset-bottom); background: rgba(255, 253, 248, 0.97); border-top: 1px solid var(--line); box-shadow: 0 -0.8rem 2rem rgba(32, 42, 37, 0.08); }
.mobile-nav a { display: grid; min-height: 4.8rem; place-content: center; gap: 0.1rem; color: var(--muted); text-align: center; font-size: 0.8rem; }
.mobile-nav a > span { font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.12em; }
.mobile-nav a.active { color: var(--leaf); background: var(--surface); box-shadow: inset 0 0.18rem 0 var(--signal); font-weight: 800; }

.page-intro { display: flex; flex-direction: column; align-items: flex-start; gap: 1.15rem; margin-bottom: 1.4rem; padding-block: 0.5rem; }
.page-summary { max-width: 58ch; margin-top: 0.75rem; color: var(--muted); font-size: 0.95rem; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 0.65rem; min-width: 2.75rem; min-height: 2.9rem; padding: 0.65rem 1rem; border: 1px solid transparent; border-radius: 0.25rem; font-weight: 800; line-height: 1.15; cursor: pointer; transition: transform 150ms ease, background-color 150ms ease, border-color 150ms ease, color 150ms ease; }
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button.primary { color: #fff; background: var(--leaf); border-color: var(--leaf); }
.button.primary:hover { background: var(--leaf-dark); }
.button.secondary { color: var(--ink); background: transparent; border-color: var(--line-strong); }
.button.secondary:hover { background: var(--surface); border-color: var(--ink-soft); }
.button.dark { color: #fff; background: var(--rail); border-color: var(--rail); }
.button.tertiary { color: var(--ink-soft); background: var(--surface); border-color: var(--line); }
.button.light { color: var(--rail); background: #f6f0e5; }
.button.small { min-height: 2.75rem; padding: 0.55rem 0.75rem; font-size: 0.85rem; }
.button.wide { width: 100%; }
.text-link { display: inline-flex; min-height: 2.75rem; align-items: center; padding-block: 0.65rem; color: var(--leaf); font-size: 0.87rem; font-weight: 800; }
.text-link span { margin-left: 0.25rem; }

input, select { width: 100%; min-height: 3rem; padding: 0.72rem 0.8rem; color: var(--ink); background: var(--surface); border: 1px solid var(--line-strong); border-radius: 0.25rem; }
input::placeholder { color: #989a94; }
input:hover, select:hover { border-color: var(--ink-soft); }
input:focus, select:focus, button:focus-visible, a:focus-visible, summary:focus-visible { outline: 0.2rem solid rgba(226, 98, 43, 0.38); outline-offset: 0.12rem; }
label { display: grid; gap: 0.4rem; color: var(--ink-soft); font-size: 0.86rem; font-weight: 800; }
.form-stack { display: grid; gap: 1rem; }

.notice { display: grid; grid-template-columns: auto 1fr; gap: 0.75rem; align-items: center; margin-bottom: 1rem; padding: 0.85rem 1rem; background: var(--mint); border-left: 0.25rem solid var(--leaf); box-shadow: var(--shadow); }
.notice strong { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }
.notice.error { color: #6f241e; background: #fae6e1; border-left-color: var(--danger); }

.surface { background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.surface-heading { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.surface-heading .kicker { margin-bottom: 0.25rem; }
.section-number { float: left; margin-right: 0.65rem; color: var(--signal); font-family: var(--mono); font-size: 0.68rem; font-weight: 800; }
.count-chip, .sensitive-label { display: inline-flex; align-items: center; min-height: 2rem; padding: 0.3rem 0.65rem; font-family: var(--mono); font-size: 0.7rem; font-weight: 800; letter-spacing: 0.05em; }
.count-chip { color: var(--leaf); background: var(--mint); }
.sensitive-label { color: var(--warning); background: #f7e8d4; }

.onboarding-panel { position: relative; display: flex; flex-direction: column; gap: 1.2rem; margin-bottom: 1rem; padding: 1.35rem; overflow: hidden; color: #fff; background: var(--rail); }
.onboarding-panel h2 { max-width: 18ch; margin-bottom: 0.6rem; font-size: 1.8rem; }
.onboarding-panel p:last-child { max-width: 50ch; color: #c1cfca; }
.step-number { position: absolute; right: 0.5rem; bottom: -1.8rem; color: rgba(255, 255, 255, 0.05); font-family: var(--display); font-size: 8rem; line-height: 1; }

.metric-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.65rem; margin-bottom: 1rem; }
.metric-card { min-width: 0; min-height: 8.5rem; padding: 0.95rem; background: var(--surface); border: 1px solid var(--line); }
.metric-card.signal { color: #fff; background: var(--signal); border-color: var(--signal); }
.metric-index { display: block; overflow: hidden; color: var(--muted); font-family: var(--mono); font-size: 0.58rem; font-weight: 800; letter-spacing: 0.08em; text-overflow: ellipsis; white-space: nowrap; }
.metric-card.signal .metric-index { color: #f9d8c8; }
.metric-card strong { display: block; margin-top: 0.5rem; font-family: var(--display); font-size: clamp(2.4rem, 10vw, 4.2rem); font-weight: 500; line-height: 0.95; }
.metric-card p { margin-top: 0.7rem; color: var(--muted); font-size: 0.78rem; }
.metric-card.signal p { color: #fff4ed; }

.dashboard-grid { display: grid; gap: 1rem; }
.recent-panel, .quick-panel { padding: 1rem; }
.recent-list { display: grid; }
.recent-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.75rem; align-items: center; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.recent-row:last-child { border-bottom: 0; }
.recent-mail { min-width: 0; }
.recent-mail strong, .recent-mail span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.recent-mail strong { font-size: 0.85rem; }
.recent-mail span { margin-top: 0.2rem; color: var(--muted); font-size: 0.78rem; }
.recent-row > time { grid-column: 1 / -1; }
.compact-code { display: flex; align-items: center; gap: 0.45rem; }
.compact-code code { color: var(--leaf); font-size: 1.3rem; font-weight: 800; letter-spacing: 0.08em; }
.copy-button { min-width: 2.75rem; min-height: 2.75rem; padding: 0.4rem 0.55rem; color: var(--leaf); background: transparent; border: 1px solid var(--line); border-radius: 0.2rem; font-size: 0.72rem; font-weight: 800; cursor: pointer; white-space: nowrap; }
.copy-button:hover { color: #fff; background: var(--leaf); border-color: var(--leaf); }
.copy-button.copied { color: #fff; background: var(--leaf); border-color: var(--leaf); }
.quick-panel { align-self: start; }
.quick-link { display: grid; grid-template-columns: auto 1fr auto; gap: 0.75rem; align-items: center; min-height: 4.5rem; padding: 0.8rem 0; border-bottom: 1px solid var(--line); }
.quick-link > span { color: var(--signal); font-family: var(--mono); font-size: 0.68rem; }
.quick-link strong, .quick-link small { display: block; }
.quick-link small { margin-top: 0.1rem; color: var(--muted); }
.quick-link b { font-size: 1.2rem; transition: transform 150ms ease; }
.quick-link:hover b { transform: translateX(0.25rem); }
.system-note { display: flex; gap: 0.75rem; align-items: center; margin-top: 1rem; padding: 0.85rem; color: #fff; background: var(--rail); }
.system-note strong, .system-note small { display: block; }
.system-note strong { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; }
.system-note small { color: #aebfba; }

.domain-layout { display: grid; gap: 1rem; }
.domain-create, .domain-registry { padding: 1rem; }
.domain-create form { margin-top: 1.2rem; }
.routing-steps { display: grid; gap: 0; margin: 1.4rem 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.routing-steps li { display: grid; grid-template-columns: auto 1fr; gap: 0.8rem; align-items: center; padding: 0.8rem 0; border-bottom: 1px solid var(--line); }
.routing-steps li > span { display: grid; width: 1.8rem; height: 1.8rem; place-items: center; color: var(--signal); border: 1px solid var(--signal); font-family: var(--mono); font-size: 0.7rem; }
.routing-steps strong, .routing-steps small { display: block; }
.routing-steps small { color: var(--muted); }
.domain-list { display: grid; }
.domain-row { display: flex; flex-direction: column; gap: 1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.domain-row:last-child { border-bottom: 0; }
.domain-identity { display: flex; min-width: 0; gap: 0.75rem; align-items: center; }
.domain-mark { display: grid; flex: 0 0 auto; width: 2.6rem; height: 2.6rem; place-items: center; color: #fff; background: var(--rail); font-family: var(--display); font-size: 1.25rem; }
.domain-identity div { min-width: 0; }
.domain-identity strong { display: block; overflow-wrap: anywhere; font-size: 0.9rem; }
.domain-identity p { margin-top: 0.25rem; color: var(--muted); font-size: 0.82rem; }
.domain-actions { display: flex; flex-wrap: wrap; gap: 0.65rem; align-items: center; justify-content: space-between; }

.badge { display: inline-flex; align-items: center; width: max-content; min-height: 1.85rem; gap: 0.45rem; padding: 0.25rem 0.55rem; color: var(--muted); background: #ebe9e3; font-size: 0.74rem; font-weight: 800; }
.badge i { width: 0.4rem; height: 0.4rem; background: currentColor; border-radius: 50%; }
.badge.active { color: var(--leaf); background: var(--mint); }
.badge.disabled, .badge.archived { color: #6f5e54; background: #ece4dc; }

.create-drawer { margin-bottom: 1rem; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.create-drawer > summary { display: grid; grid-template-columns: auto 1fr auto; gap: 0.8rem; align-items: center; min-height: 5rem; padding: 1rem; cursor: pointer; list-style: none; }
.create-drawer > summary::-webkit-details-marker, .advanced-options > summary::-webkit-details-marker { display: none; }
.create-drawer > summary strong, .create-drawer > summary small { display: block; }
.create-drawer > summary strong { font-family: var(--display); font-size: 1.3rem; }
.create-drawer > summary small { margin-top: 0.15rem; color: var(--muted); font-size: 0.8rem; }
.drawer-index { color: var(--signal); font-family: var(--mono); font-size: 0.72rem; }
.create-drawer > summary > b { font-size: 1.4rem; font-weight: 400; transition: transform 180ms ease; }
.create-drawer[open] > summary > b { transform: rotate(45deg); }
.mailbox-form { padding: 1rem; background: var(--surface-soft); border-top: 1px solid var(--line); }
.mailbox-primary-fields, .advanced-grid { display: grid; gap: 0.85rem; }
.choice-card { display: grid; grid-template-columns: auto 1fr; gap: 0.75rem; align-items: center; min-height: 3rem; padding: 0.65rem 0.8rem; color: var(--ink); background: var(--surface); border: 1px solid var(--line-strong); cursor: pointer; }
.choice-card input { width: 1.2rem; min-height: 1.2rem; accent-color: var(--leaf); }
.choice-card strong, .choice-card small { display: block; }
.choice-card small { color: var(--muted); font-weight: 500; }
.choice-card:has(input:checked) { background: var(--mint); border-color: var(--leaf); }
.advanced-options { margin-top: 0.85rem; border: 1px solid var(--line); }
.advanced-options > summary { display: flex; min-height: 3rem; align-items: center; justify-content: space-between; padding: 0.65rem 0.8rem; color: var(--ink-soft); background: var(--surface); cursor: pointer; font-size: 0.85rem; font-weight: 800; list-style: none; }
.advanced-options > summary span { color: var(--muted); font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.08em; }
.advanced-grid { padding: 0.85rem; border-top: 1px solid var(--line); }
.form-action-row { display: flex; flex-direction: column; gap: 0.85rem; align-items: stretch; margin-top: 1rem; }
.form-action-row p { color: var(--muted); font-size: 0.82rem; }
.form-action-row p span { color: var(--signal); }

.registry-panel, .code-panel { padding: 1rem; }
.registry-heading { margin-bottom: 1rem; }
.filter-panel { display: grid; gap: 0.65rem; margin-bottom: 1rem; padding: 0.75rem; background: var(--paper); border: 1px solid var(--line); }
.search-control { position: relative; }
.search-control input { padding-right: 2.7rem; }
.search-control i { position: absolute; right: 0.9rem; bottom: 0.72rem; color: var(--muted); font-size: 1.15rem; font-style: normal; }
.table-wrap { width: 100%; overflow-x: auto; }
.address-table { display: block; width: 100%; border-collapse: collapse; }
.address-table thead { display: none; }
.address-table tbody { display: grid; gap: 0.75rem; }
.address-table tr { display: block; padding: 0.8rem; background: var(--surface); border: 1px solid var(--line); }
.address-table td { display: grid; grid-template-columns: minmax(5.5rem, 0.34fr) minmax(0, 1fr); gap: 0.65rem; align-items: center; min-height: 2.75rem; padding: 0.45rem 0; overflow-wrap: anywhere; border-bottom: 1px solid #e8e2d8; }
.address-table td:last-child { border-bottom: 0; }
.address-table td::before { content: attr(data-label); color: var(--muted); font-family: var(--mono); font-size: 0.64rem; font-weight: 800; letter-spacing: 0.07em; text-transform: uppercase; }
.copy-cluster { display: flex; min-width: 0; gap: 0.4rem; align-items: center; }
.copy-value { min-width: 0; overflow-wrap: anywhere; font-size: 0.78rem; }
.copy-cluster .copy-button { margin-left: auto; }
.credential-field { min-width: 0; min-height: 2.5rem; padding: 0.5rem 0.55rem; background: #f4f2ec; font-size: 0.78rem; }
.cell-note { display: block; margin-top: 0.35rem; color: var(--muted); font-family: var(--mono); font-size: 0.62rem; }
.label-chip { display: inline-flex; width: max-content; padding: 0.25rem 0.5rem; background: var(--signal-soft); font-size: 0.75rem; }

.code-feed { display: grid; gap: 0.8rem; }
.code-record { background: var(--surface); border: 1px solid var(--line); }
.code-record-main, .code-record-context { padding: 1rem; }
.code-record-main { background: var(--surface-soft); }
.record-meta { display: flex; flex-wrap: wrap; gap: 0.7rem; align-items: center; justify-content: space-between; }
.hero-code { display: flex; flex-wrap: wrap; gap: 0.7rem; align-items: center; justify-content: space-between; margin: 1.2rem 0; }
.hero-code code { color: var(--leaf); font-size: clamp(2rem, 11vw, 3.8rem); font-weight: 800; letter-spacing: 0.08em; line-height: 1; overflow-wrap: anywhere; }
.copy-button.prominent { min-height: 2.75rem; color: #fff; background: var(--leaf); border-color: var(--leaf); }
.copy-button.quiet { border-color: transparent; }
.record-mail { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 0.55rem; align-items: center; min-width: 0; padding-top: 0.75rem; border-top: 1px solid var(--line); }
.record-mail > span { color: var(--signal); font-family: var(--mono); font-size: 0.65rem; font-weight: 800; }
.record-mail code { min-width: 0; overflow-wrap: anywhere; font-size: 0.76rem; }
.code-record-context dl { display: grid; gap: 0.8rem; margin: 0; }
.code-record-context dl > div { display: grid; gap: 0.2rem; }
.code-record-context dt { color: var(--muted); font-family: var(--mono); font-size: 0.64rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.code-record-context dd { margin: 0; overflow-wrap: anywhere; }
.raw-link { display: flex; align-items: center; justify-content: space-between; min-height: 2.75rem; margin-top: 1rem; padding-top: 0.75rem; color: var(--leaf); border-top: 1px solid var(--line); font-size: 0.82rem; font-weight: 800; }

.pagination { display: flex; flex-wrap: wrap; gap: 0.7rem; align-items: center; justify-content: center; min-height: 4rem; padding-top: 1rem; }
.pagination > span { color: var(--muted); font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em; }
.pagination > span strong { color: var(--ink); font-size: 0.9rem; }
.empty-state { display: grid; justify-items: center; gap: 0.35rem; padding: 2rem 1rem; color: var(--muted); text-align: center; }
.empty-state > span { display: grid; width: 2.7rem; height: 2.7rem; place-items: center; color: var(--signal); border: 1px solid var(--signal); font-family: var(--display); font-size: 1.2rem; }
.empty-state strong { color: var(--ink); font-family: var(--display); font-size: 1.2rem; }
.empty-state p { max-width: 38ch; font-size: 0.85rem; }
.empty-state.compact { padding-block: 1.5rem; }
.empty-state.large { min-height: 20rem; align-content: center; }
.empty-state .button { margin-top: 0.8rem; }

.copy-toast { position: fixed; z-index: 80; right: 1rem; bottom: 6rem; max-width: calc(100vw - 2rem); padding: 0.7rem 0.9rem; color: #fff; background: var(--rail); border-left: 0.2rem solid #6ce0a1; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translateY(0.5rem); transition: opacity 180ms ease, transform 180ms ease; }
.copy-toast.visible { opacity: 1; transform: translateY(0); }
.copy-toast.error { border-left-color: var(--danger); }

.auth-body { min-height: 100vh; color: #fff; background: var(--rail); }
.auth-shell { min-height: 100vh; }
.auth-shell > .notice { position: fixed; z-index: 30; top: 1rem; right: 1rem; left: 1rem; color: var(--ink); }
.auth-layout { min-height: 100vh; }
.auth-story { display: flex; min-height: 24rem; flex-direction: column; justify-content: space-between; padding: 1.25rem; background: var(--rail); border-bottom: 0.25rem solid var(--signal); }
.brand-lockup { display: inline-flex; align-items: center; gap: 0.75rem; color: #fff; }
.brand-stamp { display: grid; width: 2.75rem; height: 2.75rem; place-items: center; color: var(--rail); background: #f5f0e6; font-family: var(--mono); font-size: 0.78rem; font-weight: 800; }
.brand-lockup strong, .brand-lockup small { display: block; }
.brand-lockup strong { font-family: var(--display); font-size: 1.15rem; }
.brand-lockup small { margin-top: 0.1rem; color: #9fb0ac; font-family: var(--mono); font-size: 0.55rem; letter-spacing: 0.15em; }
.auth-copy { margin-block: 3rem 2rem; }
.auth-copy h1 { max-width: 13ch; color: #f8f2e7; font-size: clamp(2.5rem, 12vw, 5.8rem); }
.auth-copy > p:last-child { max-width: 42ch; margin-top: 1rem; color: #b9c6c2; }
.auth-features { display: grid; margin: 0; padding: 0; list-style: none; border-top: 1px solid #3a4d52; }
.auth-features li { display: grid; grid-template-columns: auto 1fr; gap: 0.8rem; padding: 0.75rem 0; color: #d4ddda; border-bottom: 1px solid #3a4d52; font-size: 0.84rem; }
.auth-features li > span { color: var(--signal); font-family: var(--mono); font-size: 0.65rem; }
.auth-panel { padding: 2rem 1.25rem; color: var(--ink); background: var(--paper); }
.auth-panel h2 { font-size: clamp(2rem, 8vw, 3.5rem); }
.auth-form { margin-top: 1.5rem; }
.auth-form label > span { color: var(--ink-soft); }
.auth-form .button > span { font-size: 1.2rem; }
.auth-footnote { display: flex; gap: 0.65rem; align-items: center; margin-top: 1.2rem; color: var(--muted); font-size: 0.78rem; }
.auth-footnote > span { background: var(--leaf); box-shadow: 0 0 0 0.25rem rgba(31, 104, 79, 0.12); }

.reveal { animation: reveal-up 420ms ease both; }
.delay-1 { animation-delay: 80ms; }
.delay-2 { animation-delay: 150ms; }
@keyframes reveal-up { from { opacity: 0; transform: translateY(0.55rem); } to { opacity: 1; transform: translateY(0); } }

@media (min-width: 48rem) {
  .workspace-main { padding: 2rem 1.5rem 7.5rem; }
  .page-intro { flex-direction: row; align-items: flex-end; justify-content: space-between; margin-bottom: 2rem; }
  .page-summary { font-size: 1rem; }
  .onboarding-panel { flex-direction: row; align-items: flex-end; justify-content: space-between; padding: 1.75rem; }
  .metric-grid { gap: 1rem; }
  .metric-card { min-height: 10rem; padding: 1.2rem; }
  .metric-card strong { margin-top: 0.75rem; }
  .recent-panel, .quick-panel, .domain-create, .domain-registry, .registry-panel, .code-panel { padding: 1.35rem; }
  .recent-row { grid-template-columns: minmax(0, 1fr) auto auto; }
  .recent-row > time { grid-column: auto; }
  .domain-row { flex-direction: row; align-items: center; justify-content: space-between; }
  .domain-actions { flex: 0 0 auto; justify-content: flex-end; }
  .mailbox-primary-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .advanced-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .form-action-row { flex-direction: row; align-items: center; justify-content: space-between; }
  .filter-panel, .code-filter { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filter-panel .search-control { grid-column: 1 / -1; }
  .filter-panel:not(.code-filter) .button { grid-column: 1 / -1; }
  .code-record { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(16rem, 0.65fr); }
  .code-record-context { border-left: 1px solid var(--line); }
  .auth-story, .auth-panel { padding: 2.5rem; }
}

@media (min-width: 64rem) {
  .app-shell { display: grid; grid-template-columns: 15.5rem minmax(0, 1fr); }
  .side-rail { position: sticky; top: 0; display: flex; height: 100vh; flex-direction: column; padding: 1.4rem 1.15rem; color: #fff; background: var(--rail); border-right: 0.25rem solid var(--signal); }
  .brand-lockup { padding-inline: 0.25rem; }
  .service-state { display: inline-flex; width: max-content; align-items: center; gap: 0.55rem; margin: 2rem 0 1rem; padding: 0.45rem 0.65rem; color: #b9d2c3; background: var(--rail-soft); font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.08em; }
  .rail-nav { display: grid; gap: 0.35rem; }
  .rail-nav a { display: grid; grid-template-columns: 2.2rem 1fr; align-items: center; min-height: 3.15rem; padding: 0.65rem 0.75rem; color: #bdcbc6; border-left: 0.16rem solid transparent; }
  .rail-nav a > span { color: #758a84; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.08em; }
  .rail-nav a:hover { color: #fff; background: var(--rail-soft); }
  .rail-nav a.active { color: #fff; background: #24434a; border-left-color: var(--signal); font-weight: 800; }
  .rail-nav a.active > span { color: #ef9e79; }
  .rail-footer { margin-top: auto; padding-top: 1rem; border-top: 1px solid #3a4d52; }
  .rail-footer p { margin-bottom: 0.75rem; color: #83958f; font-family: var(--mono); font-size: 0.61rem; letter-spacing: 0.06em; }
  .rail-logout { width: 100%; color: #d7e0dd; background: transparent; border-color: #52666b; }
  .rail-logout:hover { color: #fff; background: var(--rail-soft); }
  .mobile-header, .mobile-nav { display: none; }
  .workspace-main { padding: 2.6rem 2rem 4rem; }
  .domain-layout { grid-template-columns: minmax(19rem, 0.68fr) minmax(0, 1.32fr); align-items: start; }
  .mailbox-primary-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .copy-toast { bottom: 1.5rem; }
  .auth-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(24rem, 0.8fr); }
  .auth-story { min-height: 100vh; padding: 3rem; border-right: 0.25rem solid var(--signal); border-bottom: 0; }
  .auth-panel { display: flex; min-height: 100vh; flex-direction: column; justify-content: center; padding: clamp(3rem, 7vw, 7rem); }
}

@media (min-width: 80rem) {
  .app-shell { grid-template-columns: 17rem minmax(0, 1fr); }
  .side-rail { padding: 1.8rem 1.4rem; }
  .workspace-main { padding: 3.5rem 3rem 5rem; }
  .dashboard-grid { grid-template-columns: minmax(0, 1.45fr) minmax(19rem, 0.55fr); align-items: start; }
  .metric-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .mailbox-primary-fields { grid-template-columns: minmax(14rem, 1.2fr) minmax(7rem, 0.45fr) minmax(10rem, 0.7fr) minmax(13rem, 0.9fr); }
  .filter-panel { grid-template-columns: minmax(16rem, 1fr) minmax(10rem, 0.45fr) minmax(8rem, 0.35fr) auto; }
  .code-filter { grid-template-columns: minmax(16rem, 1fr) minmax(10rem, 0.45fr) auto; }
  .filter-panel .search-control, .filter-panel:not(.code-filter) .button { grid-column: auto; }
}

@media (min-width: 90rem) {
  .address-table { display: table; min-width: 62rem; }
  .address-table thead { display: table-header-group; }
  .address-table tbody { display: table-row-group; }
  .address-table tr { display: table-row; padding: 0; background: transparent; border: 0; }
  .address-table th, .address-table td { display: table-cell; padding: 0.75rem; text-align: left; vertical-align: middle; border-bottom: 1px solid var(--line); }
  .address-table th { color: var(--muted); background: var(--surface-soft); font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.08em; text-transform: uppercase; }
  .address-table td::before { display: none; }
  .mailbox-table-wrap { border: 1px solid var(--line); }
  .copy-value { font-size: 0.76rem; }
  .copy-cluster { align-items: flex-start; }
  .credential-field { width: 11.5rem; }
  .copy-cluster .copy-button { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}