:root {
  color-scheme: light;
  --bg: #f7f8f6;
  --surface: #ffffff;
  --surface-soft: #f1f4f0;
  --ink: #161d19;
  --muted: #68716b;
  --line: #dce2dc;
  --primary: #176c4f;
  --primary-dark: #0f513b;
  --blue: #245f9f;
  --red: #aa352d;
  --amber: #9a6400;
  --shadow: 0 18px 48px rgba(28, 39, 32, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  background:
    linear-gradient(180deg, rgba(241, 244, 240, 0.9), rgba(247, 248, 246, 0.9)),
    var(--bg);
  color: var(--ink);
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.45;
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.page-shell {
  width: min(1120px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 18px 0 48px;
}

.language-switch {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 10;
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 28px rgba(28, 39, 32, 0.08);
}

.lang-btn {
  min-width: 42px;
  min-height: 32px;
  padding: 0 10px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  border-radius: 10px;
}

.lang-btn.is-active {
  background: var(--primary);
  color: #fff;
}

.hero {
  min-height: calc(100dvh - 66px);
  display: grid;
  place-items: center;
  padding: 58px 0 74px;
}

.activation-card {
  align-self: center;
  justify-self: center;
  width: min(520px, 100%);
  display: grid;
  gap: 18px;
  padding: 36px 40px 38px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
  text-align: center;
}

.card-copy {
  display: grid;
  justify-items: center;
  margin-bottom: 2px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  width: 100%;
  font-size: clamp(29px, 3.2vw, 36px);
  line-height: 1.08;
  letter-spacing: 0;
  text-align: center;
  white-space: nowrap;
}

h2 {
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.15;
}

h3 {
  font-size: 17px;
}

.code-field,
.input-field {
  display: grid;
  gap: 8px;
  text-align: left;
}

.code-field span,
.input-field span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: none;
  color: var(--ink);
  background: #fbfcfb;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}

input {
  min-height: 50px;
  padding: 0 16px;
}

textarea {
  min-height: 120px;
  padding: 12px 13px;
  resize: vertical;
  font-family:
    "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 13px;
}

input:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(23, 108, 79, 0.14);
}

.main-action,
.secondary-action,
.ghost-action {
  min-height: 50px;
  padding: 0 18px;
}

.main-action {
  background: var(--primary);
  color: #fff;
}

.main-action:hover {
  background: var(--primary-dark);
}

.secondary-action {
  background: var(--primary);
  color: #fff;
}

.secondary-action:hover {
  background: var(--primary-dark);
}

.ghost-action {
  border: 1px solid var(--line);
  background: #fbfcfb;
  color: var(--primary-dark);
}

.danger-action {
  background: var(--red);
}

.flow-section {
  width: min(760px, 100%);
  margin: 92px auto 48px;
}

.account-section {
  width: min(1040px, 100%);
}

.result-section {
  width: min(760px, 100%);
}

.account-section,
.result-section {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 28px;
}

.flow-header {
  display: grid;
  gap: 4px;
  margin-bottom: 18px;
}

.step-label {
  color: var(--primary);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

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

.summary-row div {
  display: grid;
  gap: 4px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
}

.summary-row span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.summary-row strong {
  overflow-wrap: anywhere;
}

.account-layout {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 24px;
  align-items: stretch;
}

.guide-panel {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-soft);
}

.guide-step {
  display: grid;
  gap: 10px;
  align-content: start;
}

.guide-step-label {
  margin: 0;
  color: var(--primary);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.guide-step h3 {
  line-height: 1.25;
}

.guide-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  transition:
    border-color 0.15s ease,
    transform 0.15s ease,
    background 0.15s ease;
}

.guide-link:hover {
  background: var(--primary-dark);
}

.guide-link:active,
button:active {
  transform: translateY(1px);
}

.guide-divider {
  height: 1px;
  background: var(--line);
}

.guide-helper {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
}

.guide-helper u {
  color: var(--ink);
  text-underline-offset: 2px;
}

.account-form {
  display: grid;
  gap: 14px;
}

.submit-action {
  width: 100%;
  min-height: 54px;
  margin-top: 0;
  font-size: 17px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.button-row button {
  flex: 1 1 180px;
}

.inline-result {
  color: var(--muted);
  font-size: 14px;
  text-align: left;
}

.inline-result:empty {
  display: none;
}

.error-card {
  padding: 14px 16px;
  border: 1px solid rgba(170, 53, 45, 0.28);
  border-left: 4px solid var(--red);
  border-radius: 14px;
  background: rgba(170, 53, 45, 0.08);
  color: var(--red);
  font-size: 15px;
  line-height: 1.35;
}

.error-card strong {
  font-weight: 850;
}

.status-card {
  min-height: 90px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfcfb;
  overflow: auto;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(22, 29, 25, 0.32);
}

.modal-panel {
  width: min(420px, 100%);
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: 0 24px 64px rgba(22, 29, 25, 0.2);
}

.modal-panel h2 {
  font-size: clamp(21px, 3vw, 25px);
  line-height: 1.15;
}

.modal-account {
  display: grid;
  gap: 5px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fbfcfb;
}

.modal-account span,
.result-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.modal-account strong {
  overflow-wrap: anywhere;
}

.modal-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.modal-actions .main-action:disabled {
  border: 1px solid var(--line);
  background: var(--surface-soft);
  color: var(--primary-dark);
  opacity: 1;
}

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

.result-card {
  display: grid;
  gap: 6px;
  min-height: 86px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fbfcfb;
}

.result-card strong {
  overflow-wrap: anywhere;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 850;
}

.status-pill.good {
  background: rgba(23, 108, 79, 0.11);
  color: var(--primary-dark);
}

.status-pill.warn {
  background: rgba(154, 100, 0, 0.12);
  color: var(--amber);
}

.status-pill.bad {
  background: rgba(170, 53, 45, 0.1);
  color: var(--red);
}

.muted {
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 0 10px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  font-size: 12px;
  font-weight: 750;
}

.badge.good {
  border-color: rgba(23, 108, 79, 0.28);
  background: rgba(23, 108, 79, 0.1);
  color: var(--primary-dark);
}

.badge.warn {
  border-color: rgba(154, 100, 0, 0.3);
  background: rgba(154, 100, 0, 0.1);
  color: var(--amber);
}

.badge.bad {
  border-color: rgba(170, 53, 45, 0.3);
  background: rgba(170, 53, 45, 0.1);
  color: var(--red);
}

.kv {
  display: grid;
  grid-template-columns: minmax(120px, 170px) minmax(0, 1fr);
  gap: 8px 14px;
  font-size: 14px;
}

.kv dt {
  color: var(--muted);
  font-weight: 750;
}

.kv dd {
  margin: 0;
  overflow-wrap: anywhere;
}

pre {
  margin: 12px 0 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 12px;
}

.captcha-image {
  display: block;
  max-width: 100%;
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: min(420px, calc(100vw - 36px));
  border-radius: 14px;
  background: var(--ink);
  color: #fff;
  padding: 12px 14px;
  box-shadow: var(--shadow);
  font-size: 14px;
}

.hidden {
  display: none !important;
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100vw - 20px, 1120px);
    padding: 16px 0 34px;
  }

  .hero {
    min-height: calc(100dvh - 32px);
    padding: 72px 0 40px;
  }

  .activation-card,
  .flow-section {
    padding: 22px;
    border-radius: 16px;
  }

  .flow-section {
    margin-top: 78px;
  }

  .account-layout {
    grid-template-columns: 1fr;
  }

  .modal-actions {
    grid-template-columns: 1fr;
  }

  .subscription-status {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(23px, 6.7vw, 32px);
  }

  .summary-row {
    grid-template-columns: 1fr;
  }

  .kv {
    grid-template-columns: 1fr;
    gap: 3px;
  }
}