/* ============================================================
   Mailtuner — page styles built on Noxity design tokens
   Works in light (default) and dark (`<html data-theme="dark">`).
   ============================================================ */

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

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--nox-font-sans);
    color: var(--nox-text-1);
    background: var(--nox-surface);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

main {
    flex: 1;
    width: 100%;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

/* ---------- Nav ---------- */

.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--nox-surface) 88%, transparent);
    backdrop-filter: saturate(180%) blur(8px);
    -webkit-backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--nox-border);
}

.nav__inner {
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.nav__brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav__brand img {
    height: 30px;
    width: auto;
}

.nav__word {
    font-weight: 800;
    font-size: 22px;
    color: var(--nox-text-1);
    letter-spacing: -0.02em;
}

.nav__product {
    color: var(--nox-accent);
    font-weight: 700;
    font-size: 13px;
    border-left: 1px solid var(--nox-border);
    padding-left: 12px;
    margin-left: 6px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.nav__back {
    color: var(--nox-text-2);
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color var(--nox-dur-base) var(--nox-ease);
}

.nav__back:hover { color: var(--nox-accent); }

/* ---------- Hero (centered, single column) ---------- */

.hero {
    padding: 96px 0 80px;
}

.hero__center {
    max-width: 920px;
    margin: 0 auto;
}

.hero--centered .hero__lead {
    text-align: center;
    margin-bottom: 44px;
}

.eyebrow {
    color: var(--nox-pink-hot);
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 22px;
}

.hero__title {
    font-family: var(--nox-font-sans);
    font-weight: 800;
    font-size: 68px;
    line-height: 1.05;
    color: var(--nox-text-1);
    margin: 0 0 18px;
    letter-spacing: -0.022em;
}

.hero__title-accent {
    color: var(--nox-accent);
}

.hero__wave {
    display: block;
    margin: 8px auto 24px;
    color: var(--nox-accent);
}

.hero--centered .hero__wave { margin-left: auto; margin-right: auto; }

.hero__body {
    font-size: 17px;
    line-height: 1.7;
    color: var(--nox-text-2);
    margin: 0 auto 28px;
    max-width: 560px;
    font-weight: 400;
}

.hero__pills {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 22px;
    justify-content: center;
}

.hero__pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--nox-text-2);
}

.hero__pill svg { color: var(--nox-accent); }

/* ---------- Form ---------- */

.form-card {
    background: var(--nox-surface-2);
    border: 1px solid var(--nox-border);
    border-radius: var(--nox-radius-lg);
    padding: 36px 40px;
    box-shadow: var(--nox-shadow-elev);
    max-width: 880px;
    margin: 0 auto;
}

.form-card h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--nox-text-1);
    margin: 0 0 6px;
}

.form-card p {
    font-size: 14px;
    color: var(--nox-text-mute);
    margin: 0 0 26px;
    line-height: 1.6;
}

.field { margin-bottom: 18px; }

.field__label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--nox-text-1);
    margin-bottom: 8px;
    letter-spacing: 0.01em;
}

.input,
.select {
    width: 100%;
    height: 50px;
    border-radius: var(--nox-radius-md);
    border: 1px solid var(--nox-border);
    padding: 0 14px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    color: var(--nox-text-1);
    background: var(--nox-surface-2);
    transition: border-color var(--nox-dur-base) var(--nox-ease),
                box-shadow var(--nox-dur-base) var(--nox-ease),
                background var(--nox-dur-base) var(--nox-ease);
}

.input::placeholder { color: var(--nox-text-mute); }

.input:focus,
.select:focus {
    outline: 0;
    border-color: var(--nox-accent);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--nox-accent) 18%, transparent);
}

.select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' style='color:%237A8194'><polyline points='6 9 12 15 18 9'/></svg>");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 42px;
    cursor: pointer;
}

.select option {
    background: var(--nox-surface-2);
    color: var(--nox-text-1);
}

.field__error {
    color: var(--nox-accent);
    font-size: 12px;
    font-weight: 600;
    margin-top: 6px;
    display: block;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 50px;
    padding: 0 28px;
    border-radius: var(--nox-radius-pill);
    border: 0;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: background var(--nox-dur-base) var(--nox-ease),
                transform var(--nox-dur-base) var(--nox-ease),
                color var(--nox-dur-base) var(--nox-ease),
                box-shadow var(--nox-dur-base) var(--nox-ease);
    text-decoration: none;
    letter-spacing: 0.005em;
    margin-top: 8px;
}

.btn:active { transform: scale(0.98); }

.btn--primary {
    background: var(--nox-accent);
    color: var(--nox-accent-fg);
    box-shadow: var(--nox-shadow-cta);
    width: 100%;
}

.btn--primary:hover {
    background: var(--nox-accent-hover);
    box-shadow: var(--nox-shadow-cta), 0 0 0 6px color-mix(in srgb, var(--nox-accent) 12%, transparent);
}

.btn--ghost {
    background: transparent;
    color: var(--nox-accent);
    border: 1.5px solid var(--nox-accent);
}

.btn--ghost:hover {
    background: var(--nox-accent);
    color: var(--nox-accent-fg);
}

/* ---------- Result pages ---------- */

.result {
    padding: 72px 0 96px;
}

.result__lead {
    max-width: 760px;
    margin: 0 auto;
}

.result__lead h1 {
    font-size: 48px;
    font-weight: 800;
    color: var(--nox-text-1);
    line-height: 1.08;
    margin: 0 0 16px;
    letter-spacing: -0.02em;
}

.result__lead p {
    font-size: 16px;
    color: var(--nox-text-2);
    line-height: 1.7;
    margin: 0 0 26px;
}

.result__lead p strong {
    color: var(--nox-text-1);
    font-weight: 700;
}

.result__meta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: color-mix(in srgb, var(--nox-accent) 14%, transparent);
    border: 1px solid color-mix(in srgb, var(--nox-accent) 30%, transparent);
    color: var(--nox-accent);
    border-radius: var(--nox-radius-pill);
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 22px;
}

.steps-card {
    background: var(--nox-surface-2);
    border: 1px solid var(--nox-border);
    border-radius: var(--nox-radius-lg);
    padding: 36px 40px;
    box-shadow: var(--nox-shadow-elev);
    margin: 18px auto 0;
    max-width: 760px;
}

.steps-card h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--nox-text-1);
    margin: 0 0 22px;
}

.steps {
    list-style: none;
    counter-reset: step;
    padding: 0;
    margin: 0;
}

.steps li {
    counter-increment: step;
    position: relative;
    padding: 18px 0 18px 48px;
    border-bottom: 1px solid var(--nox-border);
    font-size: 14px;
    color: var(--nox-text-1);
    line-height: 1.65;
}

.steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 18px;
    width: 28px;
    height: 28px;
    border-radius: 999px;
    background: var(--nox-accent);
    color: var(--nox-accent-fg);
    font-size: 12px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.steps li:last-child  { border-bottom: 0; padding-bottom: 0; }
.steps li:first-child { padding-top: 0; }
.steps li:first-child::before { top: 0; }

.result__actions {
    margin-top: 32px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
}

.alert-card {
    background: var(--nox-surface-2);
    border: 1px solid var(--nox-border);
    border-left: 4px solid var(--nox-accent);
    border-radius: var(--nox-radius-lg);
    padding: 32px 36px;
    box-shadow: var(--nox-shadow-elev);
    max-width: 760px;
    margin: 0 auto;
}

.alert-card h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--nox-text-1);
    margin: 0 0 8px;
}

.alert-card p {
    font-size: 14px;
    color: var(--nox-text-2);
    line-height: 1.7;
    margin: 0 0 18px;
}

.alert-card code {
    background: var(--nox-surface-3);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 13px;
    color: var(--nox-text-1);
    font-family: var(--nox-font-data);
}

/* ---------- Footer ---------- */

.footer {
    background: var(--nox-surface-3);
    color: #FFFFFF;
    padding: 56px 0 28px;
    margin-top: auto;
    border-top: 1px solid var(--nox-border);
}

.footer__top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--nox-border);
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.footer__brand img { height: 30px; }

.footer__word {
    font-weight: 800;
    font-size: 22px;
    color: #FFFFFF;
}

.footer__bio {
    font-size: 13px;
    line-height: 1.86;
    color: var(--nox-navy-soft);
    max-width: 380px;
    margin: 0;
}

.footer__col h4 {
    font-weight: 700;
    font-size: 14px;
    color: #FFFFFF;
    margin: 0 0 14px;
}

.footer__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer__list li {
    font-weight: 500;
    font-size: 13px;
    color: var(--nox-navy-soft);
    padding: 5px 0;
    transition: color var(--nox-dur-base) var(--nox-ease);
}

.footer__list a:hover { color: #FFFFFF; }

.footer__bottom {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    padding-top: 22px;
    color: var(--nox-navy-soft);
    font-size: 12px;
    font-weight: 500;
}

/* ---------- Live progress (home page) ---------- */

.form-card[data-state="loading"] .form-card__form,
.form-card[data-state="redirecting"] .form-card__form,
.form-card[data-state="result-info"] .form-card__form,
.form-card[data-state="result-miss"] .form-card__form,
.form-card[data-state="result-warn"] .form-card__form { display: none; }

.form-card__progress {
    display: grid;
    gap: 18px;
}

.form-card__progress[hidden],
.form-card__inline-result[hidden] { display: none; }

.form-card__progress-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--nox-text-1);
    margin: 0;
    letter-spacing: -0.01em;
}

.form-card__progress-title #check-progress-target {
    color: var(--nox-accent);
    font-family: 'Inter', ui-monospace, Menlo, monospace;
    font-size: 18px;
    font-weight: 600;
    word-break: break-all;
}

.steps--live {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 14px;
}

.form-card[data-state^="result-"] .steps--live {
    opacity: 0.55;
    transition: opacity var(--nox-dur-base) var(--nox-ease);
}

.step {
    display: grid;
    grid-template-columns: 22px 1fr;
    gap: 12px;
    align-items: flex-start;
    opacity: 0;
    animation: stepIn 0.32s var(--nox-ease) forwards;
}

@keyframes stepIn {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: none; }
}

.step__icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    margin-top: 1px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 11px;
    color: #FFFFFF;
    font-weight: 700;
    line-height: 1;
}

.step[data-status="ok"]   .step__icon { background: #2EAA73; }
.step[data-status="ok"]   .step__icon::before { content: '✓'; }
.step[data-status="skip"] .step__icon { background: var(--nox-border-strong); color: var(--nox-text-2); }
.step[data-status="skip"] .step__icon::before { content: '–'; }
.step[data-status="fail"] .step__icon { background: var(--nox-accent); }
.step[data-status="fail"] .step__icon::before { content: '!'; }

.step__body {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.step__name {
    font-weight: 600;
    font-size: 13px;
    color: var(--nox-text-1);
}

.step__detail {
    font-size: 12.5px;
    color: var(--nox-text-2);
    line-height: 1.55;
    word-break: break-word;
}

/* ---------- Submit button: loading spinner ---------- */

.btn { position: relative; }

.btn .btn__label,
.btn .btn__icon { transition: opacity var(--nox-dur-fast) var(--nox-ease); }

.btn .btn__spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #FFFFFF;
    border-radius: 50%;
    opacity: 0;
    animation: spin 0.7s linear infinite;
}

.btn.is-loading .btn__label,
.btn.is-loading .btn__icon { opacity: 0; }
.btn.is-loading .btn__spinner { opacity: 1; }

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

/* ---------- Inline result on the home card ---------- */

.form-card__inline-result { margin-top: 22px; }

.inline-result {
    border-radius: var(--nox-radius-md);
    border: 1px solid;
    padding: 22px 24px;
    display: grid;
    gap: 10px;
    animation: stepIn 0.32s var(--nox-ease) forwards;
}

.inline-result--info {
    border-color: color-mix(in srgb, var(--nox-color-info) 36%, transparent);
    background: color-mix(in srgb, var(--nox-color-info) 12%, var(--nox-surface-2));
}

.inline-result--miss {
    border-color: color-mix(in srgb, var(--nox-accent) 32%, transparent);
    background: color-mix(in srgb, var(--nox-accent) 10%, var(--nox-surface-2));
}

.inline-result--warn {
    border-color: color-mix(in srgb, var(--nox-color-warning) 36%, transparent);
    background: color-mix(in srgb, var(--nox-color-warning) 10%, var(--nox-surface-2));
}

.inline-result__eyebrow {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--nox-text-mute);
}

.inline-result--miss .inline-result__eyebrow { color: var(--nox-accent); }
.inline-result--warn .inline-result__eyebrow { color: var(--nox-color-warning); }
[data-theme="dark"] .inline-result--warn .inline-result__eyebrow { color: #F5C76A; }

.inline-result__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--nox-text-1);
    margin: 0;
    line-height: 1.3;
    word-break: break-word;
}

.inline-result__title code {
    font-family: 'Inter', ui-monospace, Menlo, monospace;
    background: rgba(0, 0, 0, 0.18);
    padding: 1px 7px;
    border-radius: 4px;
    font-size: 16px;
}

.inline-result__body {
    margin: 0;
    font-size: 13px;
    color: var(--nox-text-2);
    line-height: 1.6;
}

.inline-result__actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 6px;
}

.inline-result__actions .btn { margin-top: 0; height: 42px; padding: 0 18px; font-size: 13px; }

/* ---------- Checks panel on /setup ---------- */

.checks-panel {
    list-style: none;
    margin: 18px auto 0;
    padding: 18px 22px;
    max-width: 920px;
    background: var(--nox-surface-2);
    border: 1px solid var(--nox-border);
    border-radius: var(--nox-radius-md);
    display: grid;
    gap: 10px;
}

.checks-panel .step {
    animation: none;
    opacity: 1;
}

/* ---------- Upsell card ---------- */

.upsell {
    margin: 22px auto 0;
    max-width: 920px;
    padding: 26px 30px;
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--nox-accent) 14%, var(--nox-surface-2)) 0%,
        var(--nox-surface-2) 100%);
    border: 1px solid color-mix(in srgb, var(--nox-accent) 30%, var(--nox-border));
    border-radius: var(--nox-radius-lg);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: center;
    box-shadow: var(--nox-shadow-elev);
}

.upsell__eyebrow {
    color: var(--nox-accent);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 6px;
}

.upsell__title {
    margin: 0 0 6px;
    font-size: 20px;
    font-weight: 800;
    color: var(--nox-text-1);
    line-height: 1.25;
    letter-spacing: -0.01em;
}

.upsell__text {
    margin: 0;
    font-size: 13.5px;
    color: var(--nox-text-2);
    line-height: 1.6;
}

.upsell__actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.upsell__actions .btn { margin-top: 0; }

/* ---------- Consumer help page ---------- */

.consumer-card {
    max-width: 760px;
    margin: 22px auto 0;
    padding: 32px 36px;
    background: var(--nox-surface-2);
    border: 1px solid var(--nox-border);
    border-radius: var(--nox-radius-lg);
    box-shadow: var(--nox-shadow-elev);
}

.consumer-card__head {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 18px;
}

.consumer-card__icon {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
}

.consumer-card__head h2 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    color: var(--nox-text-1);
}

.consumer-card__domains {
    font-size: 12px;
    color: var(--nox-text-mute);
    font-family: 'Inter', ui-monospace, Menlo, monospace;
}

.consumer-card__note {
    margin: 0 0 22px;
    font-size: 13.5px;
    color: var(--nox-text-2);
    line-height: 1.65;
}

.consumer-card__note a { color: var(--nox-accent); font-weight: 600; }

.consumer-card__actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.consumer-card__actions .btn { margin-top: 0; }

.consumer-card__advanced {
    margin-top: 22px;
    padding: 14px 18px;
    background: var(--nox-surface-3);
    border-radius: var(--nox-radius-md);
    border: 1px solid var(--nox-border);
}

.consumer-card__advanced summary {
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
    color: var(--nox-text-2);
    list-style: none;
}

.consumer-card__advanced summary::-webkit-details-marker { display: none; }

.consumer-card__advanced summary::before {
    content: '▸ ';
    color: var(--nox-text-mute);
    font-size: 11px;
    margin-right: 4px;
}

.consumer-card__advanced[open] summary::before { content: '▾ '; }

.consumer-card__servers {
    margin-top: 14px;
    display: grid;
    gap: 14px;
    grid-template-columns: 1fr 1fr;
}

.consumer-card__servers > div {
    background: var(--nox-surface-2);
    padding: 12px 14px;
    border-radius: var(--nox-radius-sm);
    border: 1px solid var(--nox-border);
    display: grid;
    gap: 4px;
}

.consumer-card__label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--nox-text-mute);
}

.consumer-card__servers code {
    font-family: 'Inter', ui-monospace, Menlo, monospace;
    color: var(--nox-text-1);
    font-size: 13px;
    word-break: break-all;
}

.consumer-card__meta {
    font-size: 11px;
    color: var(--nox-text-mute);
}

@media (max-width: 600px) {
    .consumer-card { padding: 22px; }
    .consumer-card__servers { grid-template-columns: 1fr; }
    .upsell { grid-template-columns: 1fr; }
    .upsell__actions { width: 100%; justify-content: flex-start; }
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
    .hero { padding: 56px 0 64px; }
    .hero__title { font-size: 48px; }
    .form-card { padding: 28px; }
    .footer__top { grid-template-columns: 1fr 1fr; }
    .footer__top > :first-child { grid-column: 1 / -1; }
}

/* ---------- Client tile picker ---------- */

.client-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 12px;
}

.client-tile {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 14px 18px;
    border-radius: var(--nox-radius-md);
    border: 1.5px solid var(--nox-border);
    background: var(--nox-surface-2);
    cursor: pointer;
    transition: border-color var(--nox-dur-base) var(--nox-ease),
                transform var(--nox-dur-base) var(--nox-ease),
                box-shadow var(--nox-dur-base) var(--nox-ease),
                background var(--nox-dur-base) var(--nox-ease);
    text-align: center;
    color: var(--nox-text-1);
    user-select: none;
}

.client-tile:hover {
    border-color: color-mix(in srgb, var(--nox-accent) 55%, var(--nox-border));
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.16);
}

.client-tile:focus-within {
    outline: 0;
    border-color: var(--nox-accent);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--nox-accent) 22%, transparent);
}

/* Selected state — works for both <label>+:checked (form picker) and the
   .client-tile--selected class (link mode on the setup page). */
.client-tile--selected,
.client-tile:has(.client-tile__input:checked) {
    border-color: var(--nox-accent);
    background: color-mix(in srgb, var(--nox-accent) 14%, var(--nox-surface-2));
    box-shadow: 0 0 0 2px var(--nox-accent),
                0 8px 22px color-mix(in srgb, var(--nox-accent) 22%, transparent);
    transform: translateY(-1px);
}

/* Visually-hidden radio — accessible, doesn't block clicks, no zero-size
   focus-trap that Chrome refuses to submit. */
.client-tile__input {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    border: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.client-tile__icon {
    width: 44px;
    height: 44px;
    display: block;
    pointer-events: none;
}

.client-tile__label {
    font-size: 14px;
    font-weight: 700;
    color: var(--nox-text-1);
    line-height: 1.2;
}

.client-tile__platforms {
    font-size: 11px;
    color: var(--nox-text-mute);
    font-weight: 500;
    letter-spacing: 0.02em;
    line-height: 1.2;
}

.client-tile__check {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 18px;
    height: 18px;
    border-radius: 999px;
    background: var(--nox-accent);
    color: var(--nox-accent-fg);
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px color-mix(in srgb, var(--nox-accent) 50%, transparent);
}

.client-tile--selected .client-tile__check,
.client-tile:has(.client-tile__input:checked) .client-tile__check {
    display: inline-flex;
}

.client-tile__check-icon {
    width: 11px;
    height: 11px;
}

/* "Request a client" tile — dashed-border CTA appended to every picker */
.client-tile--request {
    background: transparent;
    border-style: dashed;
    border-color: var(--nox-border-strong);
    color: var(--nox-text-2);
    text-decoration: none;
}

.client-tile--request:hover {
    border-color: var(--nox-accent);
    color: var(--nox-text-1);
    box-shadow: none;
}

.client-tile--request .client-tile__label { color: inherit; }

.client-tile__plus {
    width: 44px;
    height: 44px;
    border-radius: var(--nox-radius-md);
    border: 1.5px dashed var(--nox-border-strong);
    color: var(--nox-text-mute);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 300;
    line-height: 1;
    transition: border-color var(--nox-dur-base) var(--nox-ease),
                color var(--nox-dur-base) var(--nox-ease);
}

.client-tile--request:hover .client-tile__plus {
    border-color: var(--nox-accent);
    color: var(--nox-accent);
}

/* ---------- Setup page ---------- */

.setup {
    padding: 56px 0 96px;
}

.setup__header {
    max-width: 760px;
    margin: 0 auto 28px;
    text-align: center;
}

.setup__title {
    font-size: 40px;
    font-weight: 800;
    color: var(--nox-text-1);
    line-height: 1.1;
    margin: 14px 0;
    letter-spacing: -0.02em;
    word-break: break-word;
}

.setup__title-accent {
    color: var(--nox-accent);
}

.setup__lead {
    font-size: 16px;
    color: var(--nox-text-2);
    line-height: 1.6;
    margin: 0;
}

.setup__panel,
.setup__client-section {
    max-width: 920px;
    margin: 22px auto 0;
    background: var(--nox-surface-2);
    border: 1px solid var(--nox-border);
    border-radius: var(--nox-radius-lg);
    padding: 30px 32px;
    box-shadow: var(--nox-shadow-elev);
}

.setup__panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.setup__panel-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--nox-text-1);
    margin: 0;
}

.copy-all-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: var(--nox-radius-pill);
    border: 1.5px solid var(--nox-border-strong);
    background: transparent;
    color: var(--nox-text-1);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: border-color var(--nox-dur-fast) var(--nox-ease),
                color var(--nox-dur-fast) var(--nox-ease);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.copy-all-btn:hover {
    border-color: var(--nox-accent);
    color: var(--nox-accent);
}

.copy-all-btn--copied,
.copy-all-btn--copied:hover {
    border-color: var(--nox-color-success);
    color: var(--nox-color-success);
}

[data-theme="dark"] .copy-all-btn--copied,
[data-theme="dark"] .copy-all-btn--copied:hover {
    border-color: #4FE38B;
    color: #4FE38B;
}

/* Protocol toggle */

.protocol-toggle {
    display: inline-flex;
    background: var(--nox-surface-3);
    padding: 4px;
    border-radius: var(--nox-radius-pill);
    margin-bottom: 22px;
    border: 1px solid var(--nox-border);
    gap: 4px;
}

.protocol-toggle__option {
    padding: 8px 18px;
    border-radius: var(--nox-radius-pill);
    font-size: 13px;
    font-weight: 700;
    color: var(--nox-text-mute);
    transition: background var(--nox-dur-base) var(--nox-ease),
                color var(--nox-dur-base) var(--nox-ease);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.protocol-toggle__option:hover {
    color: var(--nox-text-1);
}

.protocol-toggle__option--active,
.protocol-toggle__option--active:hover {
    background: var(--nox-accent);
    color: var(--nox-accent-fg);
}

.protocol-toggle__hint {
    font-size: 9px;
    font-weight: 700;
    opacity: 0.75;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* Settings cards */

.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.settings-grid > .setting--group {
    grid-column: 1 / -1;
}

.setting {
    background: var(--nox-surface-3);
    border: 1px solid var(--nox-border);
    border-radius: var(--nox-radius-md);
    padding: 14px 16px;
    min-width: 0;
}

.setting--group {
    background: transparent;
    padding: 16px 18px;
}

.setting--group .setting {
    background: var(--nox-surface);
}

[data-theme="dark"] .setting--group .setting {
    background: var(--nox-surface-3);
}

.setting--note .setting__hint {
    margin: 6px 0 0;
    font-size: 13px;
    color: var(--nox-text-2);
    line-height: 1.6;
}

.setting--note .setting__hint a {
    color: var(--nox-accent);
    font-weight: 600;
}

.setting__label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--nox-text-mute);
    display: block;
    margin-bottom: 8px;
}

.setting__row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.setting__value {
    flex: 1 1 auto;
    min-width: 0;
    font-family: var(--nox-font-data);
    font-size: 14px;
    font-weight: 600;
    color: var(--nox-text-1);
    background: transparent;
    padding: 0;
    word-break: break-all;
}

.setting__value--mono {
    font-family: 'Inter', ui-monospace, 'Cascadia Code', Menlo, monospace;
}

.setting__group-rows {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 10px;
}

/* Copy button */

.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 9px;
    border-radius: var(--nox-radius-sm);
    border: 1px solid var(--nox-border);
    background: var(--nox-surface-2);
    color: var(--nox-text-2);
    font-size: 10px;
    font-weight: 700;
    cursor: pointer;
    transition: color var(--nox-dur-fast) var(--nox-ease),
                border-color var(--nox-dur-fast) var(--nox-ease);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    flex-shrink: 0;
    line-height: 1;
}

.copy-btn:hover {
    color: var(--nox-accent);
    border-color: var(--nox-accent);
}

.copy-btn__icon--check { display: none; }

.copy-btn--copied,
.copy-btn--copied:hover {
    color: var(--nox-color-success);
    border-color: var(--nox-color-success);
}

[data-theme="dark"] .copy-btn--copied,
[data-theme="dark"] .copy-btn--copied:hover {
    color: #4FE38B;
    border-color: #4FE38B;
}

.copy-btn--copied .copy-btn__icon--copy { display: none; }
.copy-btn--copied .copy-btn__icon--check { display: inline-block; }

/* Security badges */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 9px;
    border-radius: var(--nox-radius-pill);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    flex-shrink: 0;
    line-height: 1;
}

.badge--secure {
    background: color-mix(in srgb, var(--nox-color-success) 22%, transparent);
    color: var(--nox-color-success);
    border: 1px solid color-mix(in srgb, var(--nox-color-success) 36%, transparent);
}

.badge--unsafe {
    background: color-mix(in srgb, var(--nox-accent) 22%, transparent);
    color: var(--nox-accent);
    border: 1px solid color-mix(in srgb, var(--nox-accent) 36%, transparent);
}

[data-theme="dark"] .badge--secure {
    background: color-mix(in srgb, #2ECC71 18%, transparent);
    color: #4FE38B;
    border-color: color-mix(in srgb, #2ECC71 35%, transparent);
}

/* Notice banners */

.notice {
    display: flex;
    gap: 14px;
    padding: 16px 20px;
    border-radius: var(--nox-radius-md);
    margin: 14px auto 0;
    max-width: 920px;
    border: 1px solid;
    background: var(--nox-surface-2);
}

.notice--info {
    border-color: color-mix(in srgb, var(--nox-color-info) 36%, transparent);
    background: color-mix(in srgb, var(--nox-color-info) 14%, var(--nox-surface-2));
}

.notice--warn {
    border-color: color-mix(in srgb, var(--nox-color-warning) 40%, transparent);
    background: color-mix(in srgb, var(--nox-color-warning) 12%, var(--nox-surface-2));
}

.notice__icon {
    flex-shrink: 0;
    color: inherit;
}

.notice--info .notice__icon { color: var(--nox-color-info); }
.notice--warn .notice__icon { color: var(--nox-color-warning); }

[data-theme="dark"] .notice--info .notice__icon { color: var(--nox-blue-ice); }
[data-theme="dark"] .notice--warn .notice__icon { color: #F5C76A; }

.notice__title {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--nox-text-1);
    margin-bottom: 4px;
}

.notice__text {
    margin: 0;
    font-size: 13px;
    color: var(--nox-text-2);
    line-height: 1.6;
}

.notice__text a,
.notice__text strong { color: var(--nox-text-1); font-weight: 700; }

.notice__text a {
    color: var(--nox-accent);
    text-decoration: underline;
}

/* Setup expandable / details */

.setup__more {
    margin-top: 16px;
    padding: 14px 18px;
    background: var(--nox-surface-3);
    border-radius: var(--nox-radius-md);
    border: 1px solid var(--nox-border);
}

.setup__more summary {
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
    color: var(--nox-text-2);
    list-style: none;
}

.setup__more summary::-webkit-details-marker { display: none; }

.setup__more summary::before {
    content: '▸ ';
    color: var(--nox-text-mute);
    font-size: 11px;
    margin-right: 4px;
}

.setup__more[open] summary::before { content: '▾ '; }

.setup__more-body {
    margin-top: 12px;
    font-size: 13px;
    color: var(--nox-text-2);
    line-height: 1.7;
}

.setup__more-body p {
    margin: 0 0 10px;
    color: var(--nox-text-2);
    font-size: 13px;
}

.setup__more-body p:last-child { margin-bottom: 0; }

.setup__more-body code {
    background: var(--nox-surface-2);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    color: var(--nox-text-1);
}

/* Client strip on the setup page — 4 per row, wraps to a new row. */

.setup__client-section .client-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    padding: 4px;
    margin: 0 -4px 16px;
}

.setup__client-section .client-strip .client-tile {
    min-width: 0;
    padding: 14px 10px;
    gap: 6px;
}

.setup__client-section .client-strip .client-tile__icon {
    width: 32px;
    height: 32px;
}

@media (max-width: 720px) {
    .setup__client-section .client-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.setup__client-section .steps {
    margin-top: 18px;
}

.setup__actions {
    margin: 28px auto 0;
    max-width: 920px;
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Allow inline <strong> and <em> inside steps */
.steps li strong { font-weight: 700; color: var(--nox-text-1); }
.steps li em { font-style: italic; color: var(--nox-text-2); }
.steps li code {
    background: var(--nox-surface-3);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 12.5px;
    color: var(--nox-text-1);
    font-family: 'Inter', ui-monospace, Menlo, monospace;
}

@media (max-width: 900px) {
    .hero { padding: 56px 0 64px; }
    .hero__title { font-size: 48px; }
    .form-card { padding: 28px; }
    .footer__top { grid-template-columns: 1fr 1fr; }
    .footer__top > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
    .setup { padding: 40px 0 72px; }
    .setup__title { font-size: 28px; }
    .setup__panel,
    .setup__client-section { padding: 22px; }
    .settings-grid { grid-template-columns: 1fr; }
    .setting__group-rows { grid-template-columns: 1fr; }
    .client-grid { grid-template-columns: repeat(2, 1fr); }
    .setup__panel-head { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 600px) {
    .hero { padding: 40px 0 56px; }
    .hero__title { font-size: 36px; }
    .form-card { padding: 22px; }
    .steps-card { padding: 24px; }
    .result__lead h1 { font-size: 32px; }
    .nav__inner { height: 64px; }
    .nav__product { display: none; }
    .footer__top { grid-template-columns: 1fr; }
    .hero__pills { flex-direction: column; align-items: center; gap: 10px; }
}

/* ---------- Request-a-client dialog ---------- */

.request-dialog {
    border: none;
    border-radius: var(--nox-radius-lg);
    padding: 0;
    background: transparent;
    color: inherit;
    max-width: 460px;
    width: calc(100% - 32px);
}

.request-dialog::backdrop {
    background: color-mix(in srgb, var(--nox-bg-deep, #0a0e1a) 75%, transparent);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.request-dialog__form {
    background: var(--nox-card);
    border: 1px solid var(--nox-border);
    border-radius: var(--nox-radius-lg);
    padding: 28px 28px 24px;
    box-shadow: 0 32px 80px -32px rgba(0, 0, 0, 0.7);
    color: var(--nox-text-1);
}

.request-dialog__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 8px;
}

.request-dialog__title {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.request-dialog__close {
    background: transparent;
    border: 1px solid transparent;
    color: var(--nox-text-mute);
    cursor: pointer;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.request-dialog__close:hover { background: var(--nox-surface-2); color: var(--nox-text-1); }

.request-dialog__lead {
    color: var(--nox-text-mute);
    font-size: 13.5px;
    line-height: 1.55;
    margin: 0 0 18px;
}

.request-dialog__field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
}

.request-dialog__label {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--nox-text-1);
    letter-spacing: 0.01em;
}

.request-dialog__input {
    appearance: none;
    width: 100%;
    padding: 11px 14px;
    font: inherit;
    font-size: 14px;
    color: var(--nox-text-1);
    background: var(--nox-surface);
    border: 1px solid var(--nox-border);
    border-radius: var(--nox-radius-md);
    line-height: 1.3;
}

.request-dialog__input:focus {
    outline: 2px solid color-mix(in srgb, var(--nox-accent) 65%, transparent);
    outline-offset: 1px;
}

select.request-dialog__input {
    background: var(--nox-surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath fill='%237a8194' d='M6 8.5L2 4.5h8z'/%3E%3C/svg%3E") no-repeat right 12px center;
    padding-right: 32px;
}

.request-dialog__actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 18px;
}
