/* Signup and checkout share the landing page's palette and type system. */
.header-login { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 12px; border: 1px solid transparent; border-radius: 7px; background: transparent; color: var(--color-text); font-size: 14px; font-weight: 500; white-space: nowrap; }
.header-login svg { width: 17px; height: 17px; flex-shrink: 0; }
.header-login:hover { color: var(--color-accent); border-color: #3a505d; background: #17232d; }
.header-login.is-signed-in svg { color: var(--color-accent); }
html.checkout-open { overflow: hidden; scroll-snap-type: none; scrollbar-gutter: stable; }
body.checkout-open { overflow: hidden; }
.checkout-dialog {
 width: min(1060px, calc(100vw - 64px));
 max-width: none;
 max-height: calc(100dvh - 64px);
 margin: auto;
 padding: 0;
 border: 1px solid #35424d;
 border-radius: 20px;
 background: #111a23;
 color: var(--color-text);
 box-shadow: 0 32px 100px rgb(0 0 0 / 45%);
 overscroll-behavior: contain;
}
.checkout-dialog::backdrop { background: rgb(4 9 14 / 78%); backdrop-filter: blur(10px); }
.checkout-dialog[open] { animation: checkout-enter 220ms ease-out; }
.checkout-dialog [hidden] { display: none !important; }
.checkout-dialog button, .checkout-dialog input, .checkout-dialog select { font-family: inherit; }
.checkout-dialog button { -webkit-tap-highlight-color: transparent; }
.checkout-dialog :focus-visible { outline-offset: 3px; box-shadow: none; }
.checkout-dialog h2:focus { outline: none; }
.checkout-header { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; gap: 14px; padding: 22px 30px; border-bottom: 1px solid #2a3641; background: #111a23; }
.checkout-header .brand { font-size: 21px; }
.checkout-header .mark { width: 20px; height: 24px; }
.checkout-preview-label { padding: 2px 8px; border: 1px solid #394650; border-radius: 5px; color: var(--color-text-muted); font: 11px/1.6 var(--font-mono); }
.checkout-close { display: grid; place-items: center; width: 36px; height: 36px; margin-left: auto; padding: 8px; border: 1px solid transparent; border-radius: 8px; background: transparent; color: var(--color-text-muted); }
.checkout-close:hover { border-color: var(--color-border); color: var(--color-text); background: #1b2732; }
.checkout-close svg { width: 20px; height: 20px; }
.checkout-layout { display: grid; grid-template-columns: .84fr 1.16fr; }
.checkout-summary { display: flex; flex-direction: column; align-items: flex-start; padding: 42px 34px 30px; border-right: 1px solid #2a3641; background: radial-gradient(ellipse at 0 0, rgb(83 206 211 / 6%), transparent 70%); }
.checkout-eyebrow { display: block; font: 600 10px/1.5 var(--font-mono); letter-spacing: .12em; color: var(--color-accent); }
.checkout-summary > h2 { margin-top: 18px; font-size: 31px; line-height: 1.2; letter-spacing: -.045em; }
.checkout-summary > p { margin-top: 18px; font-size: 14px; line-height: 1.7; color: var(--color-text-muted); }
.checkout-plan-card { width: 100%; margin-top: 32px; padding: 24px; border: 1px solid #3e6268; border-radius: 12px; background: linear-gradient(140deg, #1a2d35, #16232d 70%); }
.checkout-plan-top { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.checkout-plan-top .checkout-eyebrow { font-size: 9px; letter-spacing: .06em; }
.checkout-plan-badge { font-size: 10px; line-height: 1.6; color: #b9cdd0; border: 1px solid #3b565d; border-radius: 20px; padding: 3px 8px; }
.checkout-plan-card h3 { margin-top: 22px; font-size: 24px; }
.checkout-plan-price { margin-top: 6px; font-size: 32px; font-weight: 700; letter-spacing: -.04em; line-height: 1.4; }
.checkout-plan-price span { display: inline-block; font-size: 12px; font-weight: 400; letter-spacing: 0; color: var(--color-text-muted); }
.checkout-plan-price.is-custom { font-size: 21px; letter-spacing: -.025em; }
.checkout-features { display: grid; gap: 9px; margin: 22px 0 0; padding: 20px 0 0; border-top: 1px solid #31434e; list-style: none; font-size: 12px; color: #cfdae2; }
.checkout-features li { position: relative; padding-left: 22px; }
.checkout-features li::before { content: '✓'; position: absolute; left: 0; color: var(--color-accent); }
.checkout-plan-note { margin-top: 17px; color: var(--color-text-muted); font-size: 11px; line-height: 1.7; }
.checkout-text-button { display: inline-flex; align-items: center; gap: 7px; min-height: 32px; border: 0; padding: 0; background: transparent; color: var(--color-accent); font-size: 12px; font-weight: 500; line-height: 1.5; text-align: left; }
.checkout-text-button:hover { color: var(--color-accent-hover); text-decoration: underline; text-underline-offset: 4px; }
.checkout-text-button:disabled { cursor: default; color: var(--color-text-muted); text-decoration: none; }
.checkout-change-plan { margin-top: 14px; color: var(--color-text-muted); }
.checkout-summary-footer { display: flex; align-items: center; gap: 9px; margin-top: auto; padding-top: 36px; color: #9aaab9; font-size: 11px; }
.checkout-summary-footer svg { width: 15px; height: 18px; flex-shrink: 0; }
.checkout-main { display: flex; flex-direction: column; min-width: 0; min-height: 620px; padding: 32px 44px 22px; background: #111a23; }
.checkout-steps { display: flex; align-items: center; width: 100%; margin: 0; padding: 0; list-style: none; }
.checkout-steps li { display: flex; align-items: center; gap: 8px; white-space: nowrap; color: #95a6b5; font-size: 11px; }
.checkout-steps li:not(:last-child) { flex: 1; }
.checkout-steps li:not(:last-child)::after { content: ''; height: 1px; min-width: 14px; flex: 1; margin: 0 12px 0 4px; background: #34414d; }
.checkout-step-number { display: grid; place-items: center; width: 25px; height: 25px; flex-shrink: 0; border: 1px solid #485865; border-radius: 50%; font: 11px/1 var(--font-mono); }
.checkout-steps li[aria-current="step"] { color: var(--color-text); }
.checkout-steps li[aria-current="step"] .checkout-step-number { border-color: var(--color-accent); background: var(--color-accent); color: #0e141b; }
.checkout-steps li.is-complete .checkout-step-number { border-color: #345d60; background: #183137; color: var(--color-accent); }
.checkout-content { flex: 1; padding-block: 43px 28px; }
.checkout-panel { scroll-margin: 20px; }
.checkout-panel > h2 { margin-top: 12px; font-size: 30px; line-height: 1.2; letter-spacing: -.04em; }
.checkout-panel > .checkout-state-icon + h2 { margin-top: 20px; }
.checkout-description { margin-top: 13px; color: var(--color-text-muted); font-size: 14px; line-height: 1.7; }
.checkout-description strong { color: var(--color-text); font-weight: 500; overflow-wrap: anywhere; }
.checkout-panel form { margin-top: 27px; }
.checkout-field { margin-bottom: 20px; }
.checkout-field label { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; font-size: 12px; font-weight: 500; color: #d7e0e8; }
.checkout-field input {
 display: block; width: 100%; min-height: 49px; border: 1px solid #445461; border-radius: 7px;
 padding: 12px 14px; background: #0e161e; color: var(--color-text); font-size: 14px; line-height: 1.5;
 transition: border-color 150ms ease, box-shadow 150ms ease;
}
.checkout-field input::placeholder { color: #8596a7; opacity: 1; }
.checkout-field input:focus { border-color: var(--color-accent); outline: none; box-shadow: 0 0 0 3px rgb(83 206 211 / 10%); }
.checkout-field input[aria-invalid="true"] { border-color: var(--color-danger); }
.checkout-field input[readonly] { color: #becdd7; background: #18222c; }
.checkout-password-wrap { position: relative; }
.checkout-password-wrap input { padding-right: 66px; }
.checkout-password-toggle { position: absolute; inset: 4px 5px 4px auto; width: 53px; padding: 0; border: 0; border-radius: 4px; background: transparent; color: #adbecb; font-size: 11px; }
.checkout-password-toggle:hover { background: #21303c; color: var(--color-text); }
.checkout-password-rules { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 10px; color: #a3b2bf; font-size: 11px; }
.checkout-password-rules span::before { content: '○'; margin-right: 5px; }
.checkout-password-rules span.is-valid { color: var(--color-success); }
.checkout-password-rules span.is-valid::before { content: '✓'; }
.checkout-error { margin-top: 7px; font-size: 12px; color: var(--color-danger); line-height: 1.6; }
.checkout-primary { display: flex; justify-content: space-between; width: 100%; min-height: 49px; margin-top: 26px; padding: 12px 17px; font-size: 13px; border-radius: 7px; }
.checkout-primary span:last-child { font-size: 19px; }
.checkout-primary:disabled { cursor: wait; }
.checkout-form-note { margin-top: 12px; color: #a4b4c1; font-size: 11px; line-height: 1.65; text-align: center; }
.checkout-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding-top: 17px; border-top: 1px solid #2b3742; color: #95a6b5; font: 9px/1.5 var(--font-mono); }
.checkout-state-icon { display: grid; place-items: center; width: 52px; height: 52px; border: 1px solid #35555d; border-radius: 14px; background: #193038; color: var(--color-accent); }
.checkout-state-icon svg { width: 29px; height: 29px; }
.checkout-panel > .checkout-text-button { margin-top: 7px; }
.checkout-field .checkout-code { min-height: 66px; padding: 12px 8px 12px 24px; text-align: center; font: 400 28px/1.4 var(--font-mono); letter-spacing: .5em; }
.checkout-code-meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 9px; font-size: 11px; color: var(--color-text-muted); font-variant-numeric: tabular-nums; }
.checkout-code-meta .checkout-text-button { font-size: 11px; }
.checkout-demo-note { display: flex; align-items: flex-start; gap: 10px; margin-top: 22px; padding: 12px 14px; border: 1px dashed #3c4d58; border-radius: 7px; background: #15212b; font-size: 12px; }
.checkout-demo-dot { width: 6px; height: 6px; margin-top: 7px; border-radius: 50%; background: var(--color-accent); flex-shrink: 0; }
.checkout-demo-note strong { font-family: var(--font-mono); color: var(--color-accent); letter-spacing: .1em; }
.checkout-demo-note p > span { color: var(--color-text-muted); font-size: 11px; }
.checkout-success-panel { padding-top: 12px; }
.checkout-success-icon { width: 64px; height: 64px; margin-bottom: 24px; border-radius: 50%; border-color: #36624f; background: #18352c; color: var(--color-success); box-shadow: 0 0 0 8px rgb(99 214 163 / 4%); }
.checkout-success-icon svg { width: 34px; height: 34px; }
.checkout-identity { display: flex; align-items: center; gap: 13px; margin-top: 25px; padding: 16px; border: 1px solid #354550; border-radius: 9px; background: #18242e; }
.checkout-avatar { display: grid; place-items: center; width: 37px; height: 37px; flex-shrink: 0; border-radius: 9px; background: #274249; color: var(--color-accent); font-size: 17px; }
.checkout-identity > div { min-width: 0; }
.checkout-identity strong { display: block; font-size: 12px; font-weight: 500; overflow-wrap: anywhere; }
.checkout-identity div > span { display: block; margin-top: 3px; color: var(--color-text-muted); font-size: 11px; }
.checkout-verified-mark { color: var(--color-success); }
.checkout-auth-switch { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 5px; margin-top: 23px; padding-top: 17px; border-top: 1px solid #2b3945; color: var(--color-text-muted); font-size: 12px; }
.checkout-login-demo { margin-top: 20px; padding: 0 14px; border: 1px dashed #3c4d58; border-radius: 7px; background: #15212b; }
.checkout-login-demo summary { min-height: 44px; padding: 12px 28px 12px 0; color: #bdcdd9; font-size: 11px; font-weight: 400; text-wrap: initial; }
.checkout-login-demo summary::after { top: 8px; right: 0; font-size: 18px; }
.checkout-login-demo p { padding: 0 0 10px; font-size: 11px; line-height: 1.8; }
.checkout-login-demo code { color: var(--color-text); font-family: var(--font-mono); }
.checkout-login-demo .checkout-text-button { margin-bottom: 6px; font-size: 11px; }
.checkout-no-plan .checkout-summary > .checkout-eyebrow,
.checkout-no-plan .checkout-summary > h2,
.checkout-no-plan .checkout-summary > p { display: none; }
.checkout-account-intro { width: 100%; margin-top: 60px; }
.checkout-account-intro h3 { margin-top: 20px; font-size: 38px; line-height: 1.2; letter-spacing: -.04em; }
.checkout-account-intro .checkout-features { gap: 15px; margin-top: 36px; padding-top: 28px; }
.checkout-no-plan .checkout-main { min-height: 630px; }
.checkout-no-plan .checkout-content { padding-top: 28px; }
.checkout-polar-note { display: flex; align-items: center; gap: 20px; margin-top: 25px; padding-block: 18px; border-block: 1px solid #2d3f4d; }
.checkout-polar-wordmark { font-size: 23px; font-weight: 650; letter-spacing: -.04em; white-space: nowrap; }
.checkout-polar-wordmark > span { margin-left: 3px; font-size: 16px; color: var(--color-text-muted); }
.checkout-polar-note p { color: var(--color-text-muted); font-size: 11px; line-height: 1.8; }
.checkout-inline-notice { margin-top: 14px; padding: 13px 15px; border: 1px solid #45616b; border-radius: 7px; background: #182c35; color: #c4dce3; font-size: 12px; line-height: 1.7; }
.checkout-panel > .checkout-logout { display: flex; justify-content: center; width: 100%; min-height: 44px; margin-top: 12px; color: var(--color-text-muted); }
.checkout-live-status { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
@keyframes checkout-enter { from { opacity: 0; transform: translateY(12px) scale(.99); } to { opacity: 1; transform: translateY(0) scale(1); } }
@media (max-width: 900px) {
 .checkout-dialog { width: calc(100vw - 40px); max-height: calc(100dvh - 40px); }
 .checkout-summary { padding: 32px 24px; }
 .checkout-summary > h2 { font-size: 26px; }
 .checkout-plan-card { padding: 18px; }
 .checkout-main { padding-inline: 28px; }
 .checkout-steps li { font-size: 10px; gap: 6px; }
 .checkout-steps li:not(:last-child)::after { margin-inline: 8px; }
}
@media (max-width: 767px) {
 .header { gap: 8px; }
 .header > .brand { margin-right: auto; }
 .header-login { order: 1; gap: 6px; padding-inline: 9px; font-size: 12px; }
 .header > .menu { order: 2; padding-inline: 11px; font-size: 12px; }
 .header nav { order: 3; }
}
@media (max-width: 680px) {
 .checkout-dialog { width: 100%; max-height: 100dvh; height: 100dvh; margin: 0; border: 0; border-radius: 0; }
 .checkout-header { padding: 14px 22px; }
 .checkout-header .brand { font-size: 20px; }
 .checkout-layout { display: flex; flex-direction: column; }
 .checkout-summary { padding: 18px 22px; border-right: 0; border-bottom: 1px solid #2a3641; }
 .checkout-summary > .checkout-eyebrow, .checkout-summary > h2, .checkout-summary > p, .checkout-summary-footer { display: none; }
 .checkout-plan-card { display: grid; grid-template-columns: 1fr auto; align-items: center; width: 100%; margin: 0; padding: 0; border: 0; border-radius: 0; background: none; column-gap: 10px; }
 .checkout-plan-top { grid-column: 1 / -1; }
 .checkout-plan-top .checkout-eyebrow { font-size: 9px; }
 .checkout-plan-badge { padding: 1px 7px; font-size: 9px; }
 .checkout-plan-card h3 { margin-top: 7px; font-size: 22px; }
 .checkout-plan-price { margin-top: 7px; font-size: 24px; }
 .checkout-plan-price.is-custom { font-size: 16px; }
 .checkout-plan-price span { font-size: 10px; }
 .checkout-features, .checkout-plan-note { display: none; }
 .checkout-change-plan { margin-top: 5px; min-height: 28px; font-size: 11px; }
 .checkout-main { padding: 24px 24px 20px; min-height: 580px; }
 .checkout-steps li { font-size: 10px; gap: 6px; }
 .checkout-steps li:not(:last-child)::after { margin-inline: 8px; min-width: 8px; }
 .checkout-content { padding-block: 30px; }
 .checkout-panel > h2 { font-size: 29px; }
 .checkout-field input { font-size: 16px; }
 .checkout-footer { font-size: 8px; }
 .checkout-no-plan .checkout-summary { display: none; }
 .checkout-no-plan .checkout-main { min-height: calc(100dvh - 65px); }
 .checkout-no-plan .checkout-content { padding-top: 24px; }
}
@media (max-width: 360px) {
 .checkout-header, .checkout-summary { padding-inline: 18px; }
 .checkout-main { padding-inline: 18px; }
 .checkout-panel > h2 { font-size: 26px; }
 .checkout-steps li { font-size: 9px; }
 .checkout-steps li:not(:last-child)::after { margin-inline: 5px; min-width: 5px; }
 .checkout-step-number { width: 22px; height: 22px; font-size: 10px; }
 .header { padding-inline: 14px; }
 .header-login { padding-inline: 6px; }
 .checkout-plan-price span { display: block; text-align: right; }
}
@media (prefers-reduced-motion: reduce) {
 .checkout-dialog[open] { animation: none; }
 .checkout-dialog * { transition: none; }
}