@font-face {
    font-family: "Manrope";
    src: url("/assets/fonts/manrope-variable.ttf") format("truetype");
    font-style: normal;
    font-weight: 200 800;
    font-display: swap;
}

@font-face {
    font-family: "JetBrains Mono";
    src: url("/assets/fonts/jetbrains-mono-variable.ttf") format("truetype");
    font-style: normal;
    font-weight: 100 800;
    font-display: swap;
}

:root {
    --paper: #f8f7f3;
    --panel: #efeee8;
    --paper-light: #fffefa;
    --ink: #25251f;
    --muted: #686861;
    --faint: #85857d;
    --line: #dcdbd3;
    --line-strong: #c9c7bd;
    --accent: #657452;
    --accent-dark: #4c5940;
    --accent-soft: #eef1e7;
    --warm: #657452;
    --danger: #9b4d43;
    --danger-soft: #f4e8e5;
    --success-soft: #eef1e7;
    --radius: 13px;
    --shadow: 0 18px 48px rgba(41, 40, 32, 0.1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-underline-offset: 0.18em;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

button,
input {
    font: inherit;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.7rem 1rem;
    color: white;
    background: var(--ink);
    border-radius: 8px;
    transform: translateY(-150%);
}

.skip-link:focus {
    transform: translateY(0);
}

.shell,
.site-header,
.site-footer,
.admin-bar,
.admin-shell {
    width: min(calc(100% - 40px), 1080px);
    margin-inline: auto;
}

.site-header,
.admin-bar {
    min-height: 62px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px solid var(--line);
}

.wordmark {
    display: inline-flex;
    align-items: baseline;
    gap: 0.55em;
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-decoration: none;
}

.wordmark__product,
.email-canvas__brand span {
    color: var(--accent);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.site-nav a {
    color: var(--muted);
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 620;
    text-decoration: none;
}

.site-nav a:hover {
    color: var(--ink);
    background: color-mix(in srgb, var(--ink) 6%, transparent);
}

.hero {
    padding-block: clamp(4.5rem, 10vw, 7.5rem) clamp(4rem, 8vw, 6rem);
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--accent);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.075em;
    line-height: 1.4;
    text-transform: uppercase;
}

.hero h1,
.auth-card h1,
.admin-heading h1,
.error-page h1 {
    margin: 0;
    font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-weight: 490;
    letter-spacing: -0.045em;
    line-height: 1.08;
}

.hero h1 {
    max-width: 760px;
    font-size: clamp(42px, 7vw, 72px);
}

.hero h1 em {
    color: var(--accent);
    font-style: normal;
    font-weight: inherit;
}

.hero__intro {
    max-width: 620px;
    margin: 22px 0 0;
    color: var(--muted);
    font-size: clamp(16px, 2vw, 19px);
}

.issue-preview {
    padding-block: 3.5rem;
    border-top: 1px solid var(--line);
}

.section-heading {
    display: grid;
    gap: 0.25rem;
    margin-bottom: 2rem;
}

.section-heading .eyebrow {
    margin-bottom: 0.5rem;
}

.section-heading h2,
.primary-task h2 {
    margin: 0;
    font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: clamp(25px, 3.4vw, 34px);
    font-weight: 480;
    letter-spacing: -0.042em;
    line-height: 1.18;
}

.empty-state {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 22px;
    background: var(--paper-light);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.empty-state p {
    max-width: 620px;
    margin: 0;
    color: var(--muted);
}

.empty-state .empty-state__label {
    margin-bottom: 0.45rem;
    color: var(--ink);
    font-weight: 750;
}

.latest-issue {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 2rem;
    padding: 22px;
    color: var(--ink);
    background: var(--accent-soft);
    border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
    border-radius: var(--radius);
    text-decoration: none;
    transition: background-color 160ms ease, transform 160ms ease;
}

.latest-issue:hover {
    background: color-mix(in srgb, var(--accent-soft) 82%, var(--paper-light));
    border-color: var(--line-strong);
    transform: translateY(-2px);
}

.latest-issue__meta {
    margin: 0 0 1rem;
    color: var(--accent);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.075em;
    text-transform: uppercase;
}

.latest-issue ol {
    display: grid;
    gap: 0.55rem;
    margin: 0;
    padding-left: 1.4rem;
    font-size: clamp(16px, 2vw, 19px);
    font-weight: 540;
    line-height: 1.45;
}

.latest-issue__action {
    font-weight: 750;
    white-space: nowrap;
}

.latest-issue__action span {
    display: inline-block;
    margin-left: 0.35rem;
    transition: transform 160ms ease;
}

.latest-issue:hover .latest-issue__action span {
    transform: translateX(4px);
}

.demo-note {
    margin: 0.8rem 0 0;
    color: var(--muted);
    font-size: 0.82rem;
}

.status-badge {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    min-height: 30px;
    padding: 0.3rem 0.7rem;
    color: var(--accent);
    background: var(--accent-soft);
    border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
    border-radius: 8px;
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    white-space: nowrap;
}

.status-badge--success {
    background: var(--success-soft);
}

.principles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    margin-block: 30px 80px;
    overflow: hidden;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.principles article {
    padding: 22px;
    background: var(--paper-light);
}

.principles article > span {
    color: var(--faint);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 10px;
    letter-spacing: 0.06em;
}

.principles h2 {
    margin: 30px 0 7px;
    font-size: 15px;
    font-weight: 660;
}

.principles p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-block: 22px 34px;
    color: var(--muted);
    border-top: 1px solid var(--line);
    font-size: 12px;
}

.site-footer p {
    margin: 0;
}

.site-footer a {
    color: var(--muted);
    font-weight: 650;
    text-decoration: none;
}

.site-footer a:hover {
    color: var(--ink);
}

.archive-hero {
    padding-block: clamp(4rem, 9vw, 7rem) clamp(3rem, 6vw, 4.5rem);
}

.archive-hero h1,
.research-issue__header h1 {
    max-width: 820px;
    margin: 0;
    font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: clamp(36px, 6vw, 58px);
    font-weight: 490;
    letter-spacing: -0.045em;
    line-height: 1.1;
}

.archive-hero h1 em {
    color: var(--accent);
    font-style: normal;
    font-weight: inherit;
}

.archive-hero > p:last-child {
    max-width: 650px;
    margin: 2rem 0 0;
    color: var(--muted);
    font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.demo-banner {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 1.25rem;
    padding: 1rem 1.25rem;
    color: var(--muted);
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 9px;
}

.demo-banner strong {
    color: var(--ink);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 10px;
    letter-spacing: 0.075em;
    text-transform: uppercase;
}

.demo-banner p {
    margin: 0;
    font-size: 0.9rem;
}

.demo-banner--inline {
    width: 100%;
    margin: 2rem 0 0;
}

.archive-list {
    padding-block: clamp(4rem, 8vw, 7rem);
}

.archive-list__heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--ink);
}

.archive-list__heading h2 {
    margin: 0;
    font-size: clamp(25px, 3.4vw, 34px);
    font-weight: 490;
    letter-spacing: -0.042em;
}

.archive-list__heading span {
    color: var(--muted);
    font-size: 0.85rem;
}

.archive-issue {
    border-bottom: 1px solid var(--line);
}

.archive-issue > a {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr) auto;
    gap: clamp(1.5rem, 5vw, 4rem);
    align-items: start;
    padding-block: clamp(2rem, 5vw, 3.5rem);
    text-decoration: none;
}

.archive-issue > a:hover h3,
.archive-issue > a:hover .archive-issue__arrow {
    color: var(--warm);
}

.archive-issue__date {
    display: grid;
    gap: 0.25rem;
    color: var(--muted);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 10px;
}

.archive-issue__date span:first-child {
    color: var(--ink);
    font-weight: 750;
}

.archive-issue__content h3 {
    margin: 0 0 1.25rem;
    font-size: clamp(20px, 3vw, 29px);
    font-weight: 520;
    letter-spacing: -0.032em;
    line-height: 1.2;
    transition: color 140ms ease;
}

.archive-issue__content ol {
    display: grid;
    gap: 0.35rem;
    margin: 0;
    padding-left: 1.25rem;
    color: var(--muted);
    font-size: 0.92rem;
}

.archive-issue__arrow {
    color: var(--accent);
    font-size: 1.6rem;
    line-height: 1;
    transition: color 140ms ease, transform 140ms ease;
}

.archive-issue > a:hover .archive-issue__arrow {
    transform: translateX(4px);
}

.research-issue {
    width: min(calc(100% - 40px), 820px);
    padding-block: 28px 80px;
}

.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    color: var(--muted);
    font-size: 0.82rem;
}

.breadcrumbs a:hover {
    color: var(--ink);
}

.research-issue__header {
    padding-block: clamp(4rem, 9vw, 6.5rem) clamp(3rem, 6vw, 4.5rem);
}

.research-issue__header h1 {
    max-width: 760px;
    font-size: clamp(34px, 6vw, 54px);
}

.research-issue__meta {
    margin: 2rem 0 0;
    color: var(--muted);
}

.research-items {
    border-top: 1px solid var(--ink);
}

.research-item {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr);
    gap: clamp(18px, 3vw, 30px);
    padding-block: clamp(44px, 7vw, 68px);
    border-bottom: 1px solid var(--line);
}

.research-item__number {
    padding-top: 0.35rem;
    color: var(--faint);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 10px;
    letter-spacing: 0.06em;
}

.research-item__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.research-item__tags span {
    padding: 5px 8px;
    color: var(--muted);
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 7px;
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.research-item h2 {
    max-width: 800px;
    margin: 0;
    font-size: clamp(26px, 4.5vw, 39px);
    font-weight: 490;
    letter-spacing: -0.042em;
    line-height: 1.16;
}

.research-item__finding {
    max-width: 780px;
    margin: 1.5rem 0 2.25rem;
    color: var(--muted);
    font-size: clamp(16px, 2vw, 18px);
    line-height: 1.62;
}

.better-boss-box {
    max-width: 820px;
    padding: clamp(1.25rem, 3vw, 2rem);
    background: var(--accent-soft);
    border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
    border-radius: 11px;
}

.better-boss-box h3,
.evidence-grid h3 {
    margin: 0 0 0.45rem;
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 10px;
    letter-spacing: 0.075em;
    text-transform: uppercase;
}

.better-boss-box p,
.evidence-grid p {
    margin: 0;
}

.evidence-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
    max-width: 820px;
    margin-top: 2.5rem;
}

.evidence-grid > div {
    padding-top: 1rem;
    border-top: 1px solid var(--line);
}

.evidence-grid p {
    color: var(--muted);
    font-size: 0.92rem;
}

.research-item__footer {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(220px, 0.75fr);
    gap: 1rem;
    align-items: stretch;
    max-width: 820px;
    margin-top: 2.5rem;
}

.verdict,
.source-link {
    padding: 1.15rem;
    border-radius: 9px;
}

.verdict {
    background: var(--paper-light);
    border: 1px solid var(--line);
}

.verdict > span {
    display: block;
    color: var(--muted);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.verdict strong {
    display: block;
    margin: 0.15rem 0 0.25rem;
    color: var(--accent);
    font-size: 1.1rem;
}

.verdict--skip strong {
    color: var(--danger);
}

.verdict p {
    margin: 0;
    color: var(--muted);
    font-size: 0.85rem;
}

.source-link {
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: white;
    background: var(--ink);
    font-weight: 680;
    text-decoration: none;
}

.source-link:hover {
    background: var(--accent-dark);
}

.source-link small {
    display: block;
    margin-top: 0.35rem;
    color: #b7c0bb;
    font-size: 0.72rem;
    font-weight: 500;
    overflow-wrap: anywhere;
}

.method-note {
    max-width: 760px;
    margin: 64px 0 0 66px;
}

.method-note h2 {
    margin: 0 0 0.6rem;
    font-size: 20px;
    font-weight: 520;
    letter-spacing: -0.025em;
}

.method-note p {
    margin: 0;
    color: var(--muted);
}

.auth-shell {
    min-height: calc(100vh - 62px);
    display: grid;
    place-items: center;
    padding: 3rem 1rem 6rem;
}

.setup-shell {
    width: min(100% - 2rem, 760px);
    margin-inline: auto;
    padding-block: clamp(3rem, 8vw, 6rem);
}

.setup-card {
    padding: clamp(24px, 5vw, 42px);
    background: var(--paper-light);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.setup-card h1 {
    max-width: 620px;
    margin: 0;
    font-size: clamp(30px, 5vw, 42px);
    font-weight: 490;
    letter-spacing: -0.045em;
    line-height: 1.12;
}

.setup-intro {
    max-width: 620px;
    margin: 1rem 0 2rem;
    color: var(--muted);
}

.setup-form {
    gap: 1.5rem;
}

.setup-form fieldset {
    display: grid;
    gap: 0.65rem;
    margin: 0;
    padding: 1.25rem;
    border: 1px solid var(--line);
    border-radius: 11px;
}

.setup-form legend {
    padding-inline: 0.35rem;
    color: var(--accent);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.075em;
    text-transform: uppercase;
}

.setup-form fieldset label:first-of-type {
    margin-top: 0;
}

.field-hint {
    margin: 0 0 0.25rem;
    color: var(--muted);
    font-size: 0.82rem;
}

.setup-success {
    margin-block: 1.5rem;
    padding: 1rem;
    color: var(--accent-dark);
    background: var(--success-soft);
    border-radius: 10px;
}

.auth-card {
    width: min(100%, 480px);
    padding: 42px;
    background: var(--paper-light);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.auth-card h1,
.admin-heading h1,
.error-page h1 {
    font-size: clamp(30px, 5vw, 42px);
}

.auth-card__intro {
    margin: 1rem 0 2rem;
    color: var(--muted);
}

.stack-form {
    display: grid;
    gap: 0.65rem;
}

.stack-form label {
    margin-top: 0.5rem;
    font-size: 12px;
    font-weight: 680;
}

.stack-form input {
    width: 100%;
    min-height: 45px;
    padding: 0 13px;
    color: var(--ink);
    background: var(--paper);
    border: 1px solid var(--line-strong);
    border-radius: 9px;
}

.stack-form input:hover {
    border-color: var(--muted);
}

.primary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    margin-top: 1rem;
    padding: 0.7rem 1.2rem;
    color: var(--paper);
    background: var(--ink);
    border: 1px solid var(--ink);
    border-radius: 9px;
    font-weight: 680;
    text-decoration: none;
    cursor: pointer;
}

.primary-button:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
}

.alert {
    margin-bottom: 1.25rem;
    padding: 0.8rem 1rem;
    border-radius: 9px;
    font-size: 0.92rem;
}

.alert--error {
    color: #6e211c;
    background: var(--danger-soft);
    border: 1px solid #e9b8b0;
}

.alert--success {
    color: var(--accent-dark);
    background: var(--success-soft);
    border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
}

.alert--info {
    color: var(--muted);
    background: var(--panel);
    border: 1px solid var(--line);
}

.admin-bar {
    width: min(calc(100% - 40px), 1080px);
}

.admin-bar__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-identity {
    color: var(--muted);
    font-size: 0.85rem;
}

.admin-bar form {
    margin: 0;
}

.text-button {
    padding: 0;
    color: var(--ink);
    background: transparent;
    border: 0;
    padding: 8px 10px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 620;
    text-decoration: none;
    cursor: pointer;
}

.admin-shell {
    width: min(calc(100% - 40px), 1080px);
    padding-block: clamp(42px, 7vw, 72px);
}

.admin-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 34px;
}

.admin-heading .eyebrow {
    margin-bottom: 0.75rem;
}

.primary-task {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 1.25rem;
    padding: 22px;
    color: var(--ink);
    background: var(--accent-soft);
    border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
    border-radius: var(--radius);
}

.primary-task__meta {
    margin: 0 0 1rem;
    color: var(--accent);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.075em;
    text-transform: uppercase;
}

.primary-task p:last-child {
    max-width: 650px;
    margin: 1rem 0 0;
    color: var(--muted);
}

.primary-task__content {
    width: min(100%, 720px);
}

.primary-task__content > p:not(.primary-task__meta) {
    max-width: 650px;
    margin: 1rem 0 0;
    color: var(--muted);
}

.manual-run-form {
    display: grid;
    justify-items: start;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.confirmation-control {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: 0.65rem;
    max-width: 620px;
    color: var(--ink);
    cursor: pointer;
}

.confirmation-control input {
    width: 1.1rem;
    height: 1.1rem;
    margin-top: 0.2rem;
    accent-color: var(--warm);
}

.admin-primary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    margin-top: 0.35rem;
    padding: 0.7rem 1.1rem;
    color: var(--paper);
    background: var(--ink);
    border: 1px solid var(--ink);
    border-radius: 9px;
    font-weight: 680;
    text-decoration: none;
    cursor: pointer;
}

.admin-primary-button:hover {
    color: var(--paper);
    background: var(--accent-dark);
    transform: translateY(-1px);
}

.primary-button:disabled,
.admin-primary-button:disabled {
    opacity: 0.62;
    cursor: wait;
    transform: none;
}

.primary-task__secondary {
    display: inline-block;
    margin: 0.9rem 0 0 1rem;
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 650;
}

.manual-run-form small {
    color: var(--faint);
}

.research-loading[hidden] {
    display: none;
}

.research-loading {
    position: fixed;
    z-index: 1000;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 1.25rem;
    background: rgba(37, 37, 31, 0.78);
    backdrop-filter: blur(8px);
}

.research-loading__card {
    width: min(100%, 560px);
    padding: clamp(2rem, 7vw, 4rem);
    color: var(--ink);
    background: var(--paper-light);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.research-loading__spinner {
    display: block;
    width: 42px;
    height: 42px;
    margin: 0 auto 1.5rem;
    border: 3px solid var(--line);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: research-spin 850ms linear infinite;
}

.research-loading__eyebrow {
    margin: 0 0 0.65rem;
    color: var(--accent);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.075em;
    text-transform: uppercase;
}

.research-loading h2 {
    margin: 0;
    font-size: clamp(25px, 4vw, 34px);
    font-weight: 480;
    letter-spacing: -0.042em;
    line-height: 1.18;
}

.research-loading__card > p:last-child {
    max-width: 440px;
    margin: 1.25rem auto 0;
    color: var(--muted);
}

.research-is-loading {
    overflow: hidden;
}

@keyframes research-spin {
    to {
        transform: rotate(360deg);
    }
}

.primary-task__number {
    color: color-mix(in srgb, var(--accent) 35%, var(--accent-soft));
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: clamp(42px, 8vw, 76px);
    line-height: 0.8;
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.admin-card {
    min-height: 190px;
    padding: 20px;
    background: var(--paper-light);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.admin-card__value {
    margin: 0 0 34px;
    color: var(--accent);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 24px;
    line-height: 1;
}

.admin-card h2 {
    margin: 0 0 0.4rem;
    font-size: 1rem;
}

.admin-card p:last-child {
    margin: 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.private-preview-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
    margin-top: 2rem;
    padding: 1rem 1.25rem;
    color: var(--accent-dark);
    background: var(--success-soft);
    border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
    border-radius: 9px;
}

.private-preview-banner p {
    margin: 0.15rem 0 0;
    font-size: 0.9rem;
}

.private-preview-banner a {
    flex: 0 0 auto;
    font-size: 0.9rem;
    font-weight: 750;
}

.mail-page {
    width: min(calc(100% - 40px), 980px);
}

.mail-page__header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    margin: clamp(3rem, 7vw, 5rem) 0 2rem;
}

.mail-page__header h1 {
    margin: 0;
    font-size: clamp(36px, 6vw, 58px);
    font-weight: 490;
    letter-spacing: -0.045em;
    line-height: 1.08;
}

.mail-page__header p:last-child {
    max-width: 660px;
    margin: 1rem 0 0;
    color: var(--muted);
    font-size: 1rem;
}

.mail-settings-card,
.mail-send-card {
    padding: clamp(22px, 4vw, 34px);
    background: var(--paper-light);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.mail-site-card {
    margin-bottom: 1rem;
}

.site-address-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: end;
}

.site-address-form .primary-button {
    margin: 0;
}

.mail-section-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 1.75rem;
}

.mail-section-heading h2,
.mail-send-card h2 {
    margin: 0;
    font-size: clamp(24px, 3.5vw, 32px);
    font-weight: 490;
    letter-spacing: -0.04em;
    line-height: 1.18;
}

.mail-key-status {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-dark);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.mail-key-status span {
    width: 7px;
    height: 7px;
    background: var(--accent);
    border-radius: 50%;
}

.mail-settings-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.mail-field {
    display: grid;
    gap: 0.45rem;
    color: var(--ink);
    font-size: 12px;
    font-weight: 680;
}

.mail-field--full {
    grid-column: 1 / -1;
}

.mail-field input {
    width: 100%;
    min-height: 47px;
    padding: 0 13px;
    color: var(--ink);
    background: var(--paper);
    border: 1px solid var(--line-strong);
    border-radius: 9px;
}

.mail-field input:hover {
    border-color: var(--muted);
}

.mail-field small {
    color: var(--faint);
    font-size: 0.77rem;
    font-weight: 500;
}

.mail-form-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    margin-top: 0.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--line);
}

.mail-form-footer p {
    margin: 0;
    color: var(--muted);
    font-size: 0.82rem;
}

.mail-form-footer .primary-button {
    flex: 0 0 auto;
    margin: 0;
}

.mail-preview-section {
    padding-block: clamp(4rem, 8vw, 6.5rem);
}

.mail-envelope {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(200px, 0.8fr);
    gap: 1px;
    margin: 0 0 1rem;
    overflow: hidden;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: 10px;
}

.mail-envelope > div {
    padding: 0.9rem 1rem;
    background: var(--panel);
}

.mail-envelope dt {
    margin: 0 0 0.2rem;
    color: var(--faint);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.mail-envelope dd {
    margin: 0;
    font-size: 0.86rem;
    font-weight: 620;
    overflow-wrap: anywhere;
}

.email-canvas {
    width: min(100%, 760px);
    margin-inline: auto;
    padding: clamp(24px, 6vw, 54px);
    background: #fffefa;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 18px 50px rgba(37, 37, 31, 0.08);
}

.email-canvas__brand {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--line);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.email-canvas__header {
    padding-block: clamp(2.5rem, 6vw, 4rem);
    border-bottom: 1px solid var(--ink);
}

.email-canvas__header h3 {
    max-width: 620px;
    margin: 0;
    font-size: clamp(28px, 5vw, 43px);
    font-weight: 490;
    letter-spacing: -0.045em;
    line-height: 1.12;
}

.email-canvas__header > p:last-child {
    margin: 1rem 0 0;
    color: var(--muted);
    font-size: 0.84rem;
}

.email-study {
    padding-block: clamp(2.5rem, 6vw, 4rem);
    border-bottom: 1px solid var(--line);
}

.email-study__meta {
    margin: 0 0 0.9rem;
    color: var(--accent);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.email-study h4 {
    margin: 0;
    font-size: clamp(21px, 3.5vw, 28px);
    font-weight: 510;
    letter-spacing: -0.035em;
    line-height: 1.2;
}

.email-study__finding {
    margin: 1rem 0 1.5rem;
    color: var(--muted);
    font-size: 0.96rem;
}

.email-study__use {
    padding: 1rem;
    background: var(--accent-soft);
    border-radius: 9px;
}

.email-study__use strong,
.email-study__evidence strong {
    display: block;
    margin-bottom: 0.35rem;
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 9px;
    letter-spacing: 0.055em;
    text-transform: uppercase;
}

.email-study__use p,
.email-study__evidence p {
    margin: 0;
}

.email-study__evidence {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.email-study__evidence > div {
    padding-top: 0.9rem;
    border-top: 1px solid var(--line);
}

.email-study__evidence p {
    color: var(--muted);
    font-size: 0.84rem;
}

.email-study__source {
    display: inline-flex;
    margin-top: 1.5rem;
    font-size: 0.84rem;
    font-weight: 720;
    text-decoration: none;
}

.email-study__source:hover {
    color: var(--accent-dark);
}

.plain-text-preview {
    width: min(100%, 760px);
    margin: 1rem auto 0;
    padding: 0.9rem 1rem;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 9px;
}

.plain-text-preview summary {
    font-size: 0.83rem;
    font-weight: 680;
    cursor: pointer;
}

.plain-text-preview pre {
    max-height: 420px;
    margin: 1rem 0 0;
    padding-top: 1rem;
    overflow: auto;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    border-top: 1px solid var(--line);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.72rem;
}

.mail-send-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.85fr);
    gap: 2rem;
    align-items: start;
}

.mail-send-card > div:first-child > p:last-child {
    max-width: 520px;
    margin: 0.9rem 0 0;
    color: var(--muted);
}

.mail-send-card .manual-run-form,
.mail-send-note,
.mail-delivery-status {
    grid-column: 2;
    margin-top: 0;
}

.mail-delivery-status,
.mail-send-note {
    padding: 1rem;
    border-radius: 9px;
}

.mail-delivery-status {
    color: var(--muted);
    background: var(--panel);
    border: 1px solid var(--line);
}

.mail-delivery-status--sent {
    color: var(--accent-dark);
    background: var(--success-soft);
    border-color: color-mix(in srgb, var(--accent) 30%, var(--line));
}

.mail-delivery-status--failed {
    color: #6e211c;
    background: var(--danger-soft);
    border-color: #e9b8b0;
}

.mail-delivery-status strong {
    display: block;
    font-size: 0.9rem;
}

.mail-delivery-status p {
    margin: 0.35rem 0 0;
    font-size: 0.82rem;
}

.mail-send-note {
    margin-bottom: 0;
    color: var(--muted);
    background: var(--panel);
    border: 1px solid var(--line);
    font-size: 0.85rem;
}

.mail-send-card .primary-button {
    margin-top: 0.25rem;
}

.automation-card {
    margin-top: 1rem;
}

.automation-intro {
    max-width: 680px;
    margin: -0.5rem 0 1.5rem;
    color: var(--muted);
}

.automation-form,
.automation-options {
    display: grid;
    gap: 0.75rem;
}

.automation-option {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.85rem;
    align-items: flex-start;
    padding: 1rem;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 9px;
    cursor: pointer;
}

.automation-option:has(input:checked) {
    background: var(--accent-soft);
    border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
}

.automation-option input {
    width: 18px;
    height: 18px;
    margin: 0.18rem 0 0;
    accent-color: var(--accent);
}

.automation-option span,
.automation-option small {
    display: block;
}

.automation-option strong {
    font-size: 0.92rem;
}

.automation-option small {
    margin-top: 0.25rem;
    color: var(--muted);
    font-size: 0.8rem;
    line-height: 1.5;
}

.automation-endpoints {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    margin: 0.5rem 0;
    overflow: hidden;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: 9px;
}

.automation-endpoints > div {
    min-width: 0;
    padding: 0.9rem 1rem;
    background: var(--panel);
}

.automation-endpoints span,
.automation-endpoints code {
    display: block;
}

.automation-endpoints span {
    margin-bottom: 0.35rem;
    color: var(--faint);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.automation-endpoints code {
    overflow-wrap: anywhere;
    font-size: 0.72rem;
}

.automation-card .confirmation-control {
    margin-top: 0.25rem;
}

.error-page {
    min-height: calc(100vh - 160px);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding-block: 5rem;
}

.error-code {
    margin: 0 0 1rem;
    color: var(--accent);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.075em;
}

.error-page > p:not(.error-code) {
    max-width: 560px;
    color: var(--muted);
}

.debug-detail {
    max-width: 100%;
    margin-top: 1rem;
    padding: 1rem;
    overflow-wrap: anywhere;
    background: var(--danger-soft);
    border-radius: 8px;
    font-family: ui-monospace, monospace;
    font-size: 0.82rem;
}

@media (max-width: 760px) {
    .shell,
    .site-header,
    .site-footer,
    .admin-bar,
    .admin-shell,
    .research-issue {
        width: calc(100% - 26px);
    }

    .empty-state,
    .site-footer,
    .admin-heading,
    .private-preview-banner,
    .mail-page__header,
    .mail-section-heading,
    .mail-form-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .principles,
    .admin-grid {
        grid-template-columns: 1fr;
    }

    .latest-issue,
    .archive-issue > a,
    .research-item__footer,
    .evidence-grid {
        grid-template-columns: 1fr;
    }

    .latest-issue {
        align-items: start;
    }

    .archive-issue > a {
        gap: 1.25rem;
    }

    .archive-issue__arrow {
        display: none;
    }

    .demo-banner {
        grid-template-columns: 1fr;
        gap: 0.35rem;
    }

    .research-item {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .method-note {
        margin-left: 0;
    }

    .principles h2 {
        margin-top: 1.5rem;
    }

    .admin-identity {
        display: none;
    }

    .primary-task {
        align-items: flex-start;
    }

    .primary-task__number {
        display: none;
    }

    .mail-settings-form,
    .site-address-form,
    .mail-envelope,
    .mail-send-card {
        grid-template-columns: 1fr;
    }

    .automation-endpoints {
        grid-template-columns: 1fr;
    }

    .mail-send-card .manual-run-form,
    .mail-send-note,
    .mail-delivery-status {
        grid-column: 1;
    }

    .mail-form-footer .primary-button {
        width: 100%;
    }

    .site-address-form .primary-button {
        width: 100%;
    }
}

@media (max-width: 520px) {
    .site-header,
    .admin-bar {
        min-height: 58px;
    }

    .wordmark {
        font-size: 12px;
    }

    .site-nav a {
        padding-inline: 8px;
        font-size: 12px;
    }

    .auth-shell {
        min-height: calc(100vh - 58px);
        padding: 0;
    }

    .auth-card {
        min-height: calc(100vh - 58px);
        width: 100%;
        padding: 34px 24px;
        border: 0;
        border-radius: 0;
        box-shadow: none;
    }

    .setup-shell {
        width: 100%;
        padding-block: 0;
    }

    .setup-card {
        min-height: 100vh;
        padding: 34px 24px;
        border: 0;
        border-radius: 0;
        box-shadow: none;
    }

    .mail-page {
        width: calc(100% - 26px);
    }

    .mail-page__header {
        margin-top: 2.5rem;
    }

    .mail-settings-card,
    .mail-send-card,
    .email-canvas {
        padding: 20px;
    }

    .email-study__evidence {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .primary-task__secondary {
        display: block;
        margin-left: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .research-loading__spinner {
        animation: none;
        border-color: var(--warm);
    }
}