:root {
  --upgrade-navy: #14213d;
  --upgrade-teal: #087f8c;
  --upgrade-green: #0aac87;
  --upgrade-mint: #e9f8f4;
  --upgrade-muted: #667085;
  --upgrade-line: #dce3e9;
  --upgrade-bg: #f4f7f8;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-width: 320px; background: var(--upgrade-bg); color: #263244; font-family: "DM Sans", sans-serif; letter-spacing: 0; }
button, a { font: inherit; }
.upgrade-topbar { height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 32px; border-bottom: 1px solid var(--upgrade-line); background: #fff; }
.upgrade-brand { display: flex; align-items: center; }
.upgrade-brand img { display: block; width: 98px; height: auto; }
.upgrade-account { display: flex; align-items: center; gap: 10px; color: var(--upgrade-navy); font-size: .82rem; font-weight: 700; }
.upgrade-account-avatar { width: 34px; height: 34px; display: grid; place-items: center; overflow: hidden; border-radius: 50%; background: var(--upgrade-navy); color: #fff; font: 800 .7rem/1 Manrope, sans-serif; }
.upgrade-account-avatar img { width: 100%; height: 100%; display: block; object-fit: cover; }
.upgrade-account button { width: 38px; height: 38px; display: grid; place-items: center; border: 0; border-radius: 6px; background: transparent; color: var(--upgrade-muted); cursor: pointer; }
.upgrade-account button:hover { background: #f0f3f5; color: var(--upgrade-navy); }
.upgrade-account .material-icons { font-size: 20px; }
.upgrade-main { width: min(980px, calc(100% - 40px)); margin: 0 auto; padding: 26px 0 54px; }
.upgrade-back-link { display: inline-flex; align-items: center; gap: 5px; margin-bottom: 23px; color: #526174; text-decoration: none; font-size: .77rem; font-weight: 700; }
.upgrade-back-link:hover { color: var(--upgrade-teal); }
.upgrade-back-link .material-icons { font-size: 17px; }
.upgrade-page-header { margin-bottom: 26px; text-align: center; }
.upgrade-page-header h1, .upgrade-message-card h1 { margin: 0 0 7px; color: var(--upgrade-navy); font: 800 1.75rem/1.2 Manrope, sans-serif; letter-spacing: 0; }
.upgrade-page-header p, .upgrade-message-card > p { margin: 0; color: var(--upgrade-muted); font-size: .85rem; line-height: 1.5; }
.upgrade-plan-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.upgrade-plan-card { position: relative; display: flex; flex-direction: column; min-width: 0; padding: 25px; border: 1px solid var(--upgrade-line); border-radius: 8px; background: #fff; box-shadow: 0 5px 18px rgba(28, 39, 56, .045); }
.upgrade-plan-card.is-premium { border-color: #67cdb8; box-shadow: 0 8px 24px rgba(8, 127, 140, .09); }
.upgrade-popular-badge { position: absolute; top: 16px; right: 16px; padding: 4px 7px; border-radius: 4px; background: var(--upgrade-green); color: #fff; font-size: .59rem; font-weight: 800; }
.upgrade-plan-title { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.upgrade-plan-title h2 { margin: 0; color: var(--upgrade-navy); font: 700 1.05rem/1.3 Manrope, sans-serif; }
.upgrade-plan-avatar { width: 43px; height: 43px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; background: var(--upgrade-mint); color: var(--upgrade-green); }
.upgrade-plan-avatar .material-icons { font-size: 22px; }
.upgrade-plan-price { margin: 0; color: var(--upgrade-teal); font: 800 1.65rem/1.2 Manrope, sans-serif; }
.upgrade-plan-price span { color: var(--upgrade-muted); font-size: .73rem; font-weight: 500; }
.upgrade-plan-price.is-premium-price { color: var(--upgrade-green); }
.upgrade-price-period { margin: 3px 0; color: var(--upgrade-green); font-size: .75rem; font-weight: 700; }
.upgrade-plan-description { margin: 4px 0 19px; color: var(--upgrade-muted); font-size: .75rem; }
.upgrade-continuation { margin: 0 0 18px; color: #4c5a6c; font-size: .77rem; font-weight: 600; }
.upgrade-feature-list { display: grid; gap: 10px; padding: 0; margin: 0 0 24px; list-style: none; }
.upgrade-feature-list li { display: flex; align-items: flex-start; gap: 8px; color: #405064; font-size: .77rem; line-height: 1.4; overflow-wrap: anywhere; }
.upgrade-feature-list .material-icons { color: var(--upgrade-green); font-size: 16px; }
.upgrade-plan-button { min-height: 43px; display: inline-flex; align-items: center; justify-content: center; width: 100%; margin-top: auto; padding: 10px 16px; border: 1px solid var(--upgrade-green); border-radius: 6px; background: var(--upgrade-green); color: #fff; text-decoration: none; font: 700 .8rem/1.25 Manrope, sans-serif; letter-spacing: 0; cursor: pointer; }
.upgrade-plan-button:hover:not(:disabled) { border-color: #078b70; background: #078b70; }
.upgrade-plan-button.is-current, .upgrade-plan-button:disabled { border-color: #e2e6ea; background: #edf0f2; color: #8994a1; cursor: not-allowed; }
.upgrade-plan-button:focus-visible, .upgrade-back-link:focus-visible, .upgrade-account button:focus-visible { outline: 3px solid rgba(8, 127, 140, .24); outline-offset: 2px; }
.upgrade-inline-status { margin: 9px 0 0; color: #14704e; font-size: .72rem; text-align: center; }
.upgrade-inline-status.is-error { color: #b42318; }
.upgrade-pricing-timeline { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: center; gap: 10px; margin-top: 20px; padding: 17px 20px; border: 1px solid #b7dce5; border-radius: 8px; background: #f5fbfc; }
.upgrade-pricing-timeline > div { display: flex; align-items: center; justify-content: center; gap: 9px; min-width: 0; }
.upgrade-pricing-timeline > div > .material-icons { color: var(--upgrade-teal); font-size: 20px; }
.upgrade-pricing-timeline p, .upgrade-pricing-timeline span, .upgrade-pricing-timeline strong { display: block; }
.upgrade-pricing-timeline p { margin: 0; }
.upgrade-pricing-timeline p span { color: var(--upgrade-muted); font-size: .65rem; }
.upgrade-pricing-timeline strong { margin-top: 2px; color: var(--upgrade-navy); font: 700 .72rem/1.3 Manrope, sans-serif; }
.upgrade-pricing-timeline .timeline-arrow { color: #8cb5bd; font-size: 18px; }
.upgrade-secure-note { display: flex; align-items: center; justify-content: center; gap: 5px; margin: 15px 0 0; color: var(--upgrade-muted); font-size: .68rem; }
.upgrade-secure-note .material-icons { font-size: 14px; }
.upgrade-loading-state { display: grid; gap: 22px; padding-top: 30px; }
.upgrade-skeleton { height: 390px; border-radius: 8px; background: linear-gradient(90deg, #e6ecef 25%, #f8fafb 50%, #e6ecef 75%); background-size: 200% 100%; animation: upgrade-loading 1.3s infinite; }
.upgrade-skeleton.is-heading { width: 300px; height: 58px; margin: 0 auto; }
.upgrade-skeleton-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@keyframes upgrade-loading { to { background-position: -200% 0; } }
.upgrade-message-card { width: min(620px, 100%); margin: 55px auto 0; padding: 45px 35px; border: 1px solid var(--upgrade-line); border-radius: 8px; background: #fff; box-shadow: 0 8px 26px rgba(28, 39, 56, .07); text-align: center; }
.upgrade-message-icon { width: 64px; height: 64px; display: grid; place-items: center; margin: 0 auto 18px; border-radius: 50%; background: var(--upgrade-mint); color: var(--upgrade-green); }
.upgrade-message-icon.is-muted { background: #edf0f2; color: #748091; }
.upgrade-message-icon .material-icons { font-size: 31px; }
.upgrade-message-eyebrow { margin-bottom: 8px !important; color: var(--upgrade-green) !important; font-size: .65rem !important; font-weight: 800; }
.upgrade-message-card > p:not(.upgrade-message-eyebrow) { max-width: 460px; margin: 0 auto 24px; }
.upgrade-message-card .upgrade-plan-button { width: auto; min-width: 190px; }

@media (max-width: 700px) {
  .upgrade-topbar { padding: 0 18px; }
  .upgrade-account > span { display: none; }
  .upgrade-main { width: min(100% - 28px, 520px); padding-top: 20px; }
  .upgrade-plan-grid, .upgrade-skeleton-grid { grid-template-columns: minmax(0, 1fr); }
  .upgrade-plan-card.is-premium { order: 2; }
  .upgrade-pricing-timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .upgrade-pricing-timeline > div { justify-content: flex-start; }
  .upgrade-pricing-timeline .timeline-arrow { display: none; }
}

@media (max-width: 380px) {
  .upgrade-brand img { width: 85px; }
  .upgrade-main { width: calc(100% - 20px); }
  .upgrade-plan-card { padding: 19px; }
  .upgrade-page-header h1, .upgrade-message-card h1 { font-size: 1.45rem; }
  .upgrade-pricing-timeline { grid-template-columns: minmax(0, 1fr); }
  .upgrade-message-card { padding: 32px 20px; }
}

@media (prefers-reduced-motion: reduce) { .upgrade-skeleton { animation: none; } }