:root {
  --surface: #f6f5f2;
  --surface-raised: #ffffff;
  --border: #e4e2dc;
  --border-subtle: #eceae5;
  --ink: #1c1c1a;
  --ink-secondary: #5c5c56;
  --ink-tertiary: #8a8a83;
  --accent: #2a5c9e;
  --accent-hover: #234f89;
  --accent-muted: #e8eef5;
  --ok: #3a7058;
  --warn: #9a7020;
  --err: #a86048;
  --sans: "Inter", system-ui, sans-serif;
  --brand: "Space Grotesk", "Inter", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --r: 8px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shell: 60rem;
  --card-shadow: 0 1px 2px rgba(28, 28, 26, 0.04),
    0 16px 40px -30px rgba(28, 28, 26, 0.35);
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, p {
  margin: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

::selection {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
}

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

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 60%, transparent);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: calc(var(--shell) + 56px);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--brand);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-logo {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  object-fit: contain;
}

.brand-ver {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  color: var(--ink-tertiary);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 8px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
}

.nav-right a {
  color: var(--ink-secondary);
  text-decoration: none;
}

.nav-right a:hover {
  color: var(--ink);
  text-decoration: none;
}

.nav-status {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-tertiary);
}

.nav-status .d {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ok);
  margin-right: 6px;
  vertical-align: middle;
  position: relative;
  top: -1px;
}

/* Portal layout */
.portal-main {
  flex: 1;
  display: flex;
  justify-content: center;
  padding: 48px 20px 48px;
}

.portal-shell {
  width: 100%;
  max-width: var(--shell);
}

.portal-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Header block (lives inside the stack) */
.portal-kicker {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-tertiary);
}

.portal-header h1 {
  margin-top: 10px;
  font-family: var(--brand);
  font-size: 2.35rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--ink);
}

.portal-header .portal-sub {
  margin-top: 10px;
  max-width: 26rem;
  font-size: 14px;
  color: var(--ink-secondary);
  line-height: 1.6;
}

.portal-benefits {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.portal-benefits li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-secondary);
}

.portal-benefits li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
  flex: 0 0 auto;
}

body.signed-in-mode .portal-header .portal-sub,
body.signed-in-mode .portal-benefits {
  display: none;
}

/* Split layout — signed-out desktop */
@media (min-width: 920px) {
  .portal-stack {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(24rem, 26rem);
    column-gap: 40px;
    row-gap: 16px;
    align-items: start;
  }

  .portal-header {
    grid-column: 1;
    grid-row: 1;
    padding-top: 12px;
  }

  #authCard {
    grid-column: 2;
    grid-row: 1 / span 4;
  }

  #status {
    grid-column: 1;
  }

  .portal-stack > .portal-divider {
    display: none;
  }

  #supportCard {
    grid-column: 1;
  }

  #downloadCard {
    grid-column: 1 / -1;
  }

  /* Purchase mode: intro left, auth right, support below both */
  body.purchase-mode .portal-header {
    grid-column: 1 / -1;
    grid-row: 1;
    padding-top: 0;
  }

  body.purchase-mode #purchaseIntro {
    grid-column: 1;
    grid-row: 2;
  }

  body.purchase-mode #authCard {
    grid-column: 2;
    grid-row: 2 / span 3;
  }

  body.purchase-mode #status {
    grid-column: 1;
  }

  body.purchase-mode #supportCard {
    grid-column: 1;
  }

  /* Signed in: single wide column dashboard */
  body.signed-in-mode .portal-stack {
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }

  body.signed-in-mode .portal-header {
    padding-top: 0;
  }
}

.portal-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 8px 0 4px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-tertiary);
}

.portal-divider::before,
.portal-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

/* Panels */
.panel {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.panel-support {
  background: var(--surface-raised);
  box-shadow: none;
}

.panel-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.panel-lead {
  margin-top: 4px;
  font-size: 13px;
  color: var(--ink-secondary);
  line-height: 1.5;
}

.panel-kicker,
.purchase-kicker {
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-tertiary);
}

.auth-intro {
  padding: 22px 22px 0;
}

.auth-intro h2,
.purchase-intro h2 {
  font-family: var(--brand);
  font-size: 20px;
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.auth-intro p,
.purchase-intro p {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-secondary);
}

.purchase-intro {
  padding: 22px;
}

.purchase-price {
  margin-top: 22px;
  padding: 18px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.purchase-price strong {
  display: block;
  font-family: var(--brand);
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.purchase-price span {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--ink-tertiary);
}

.purchase-checks {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.purchase-checks li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--ink-secondary);
}

.purchase-checks li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--ok);
  flex: 0 0 auto;
}

/* Segmented tabs */
.panel-tabs {
  display: flex;
  gap: 4px;
  margin: 18px 22px 0;
  padding: 4px;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  border-bottom: 1px solid var(--border-subtle);
}

.auth-intro + .panel-tabs {
  margin-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

.tab {
  flex: 1;
  padding: 9px 12px;
  border: 0;
  border-radius: 7px;
  margin-bottom: 0;
  background: transparent;
  color: var(--ink-tertiary);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s var(--ease), background 0.15s var(--ease),
    box-shadow 0.15s var(--ease);
}

.tab:hover {
  color: var(--ink-secondary);
}

.tab.active {
  color: var(--ink);
  background: var(--surface-raised);
  box-shadow: inset 0 0 0 1px var(--border), 0 1px 2px rgba(28, 28, 26, 0.06);
}

.panel-body {
  padding: 22px;
}

.panel-body > .form-panel {
  display: none;
}

.panel-body > .form-panel.active {
  display: block;
}

.form-fields {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-secondary);
  margin-bottom: 6px;
}

.input-wrap {
  position: relative;
}

.input-wrap input {
  padding-right: 40px;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--surface-raised);
  color: var(--ink);
  padding: 10px 12px;
  font-family: inherit;
  font-size: 14px;
  line-height: 1.4;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}

textarea {
  resize: vertical;
  min-height: 112px;
}

input::placeholder,
textarea::placeholder {
  color: var(--ink-tertiary);
}

input:hover,
textarea:hover {
  border-color: var(--ink-tertiary);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 4px;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--ink-tertiary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.password-toggle:hover {
  color: var(--ink-secondary);
  background: var(--surface);
}

.password-toggle svg {
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.password-toggle .icon-hide {
  display: none;
}

.password-toggle.visible .icon-show {
  display: none;
}

.password-toggle.visible .icon-hide {
  display: block;
}

.field-hint {
  margin-top: 6px;
  font-size: 12px;
  color: var(--ink-tertiary);
}

.field-hint.ok {
  color: var(--ok);
}

.field-hint.err {
  color: var(--err);
}

.field-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 12px;
}

.field-row a {
  font-weight: 500;
  text-decoration: none;
}

.field-row a:hover {
  text-decoration: underline;
}

.form-footer {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  font-size: 13px;
  color: var(--ink-secondary);
}

.form-footer a {
  color: var(--ink);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
}

.form-footer a:hover {
  text-decoration: underline;
}

button {
  border: 0;
  border-radius: var(--r);
  padding: 10px 16px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease),
    transform 0.1s var(--ease);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

button:active {
  transform: translateY(1px);
}

.btn-block {
  width: 100%;
}

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

.primary:hover {
  background: var(--accent-hover);
}

.secondary {
  background: var(--surface-raised);
  color: var(--ink);
  border: 1px solid var(--border);
}

.secondary:hover {
  background: var(--surface);
  border-color: var(--ink-tertiary);
}

.btn-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.status-banner {
  padding: 11px 14px;
  border-radius: var(--r);
  border: 1px solid var(--border-subtle);
  background: var(--surface-raised);
  font-size: 13px;
  color: var(--ink-secondary);
  line-height: 1.45;
}

.status-banner.ok {
  color: var(--ok);
  background: color-mix(in srgb, var(--ok) 6%, var(--surface-raised));
  border-color: color-mix(in srgb, var(--ok) 22%, var(--border));
}

.status-banner.err {
  color: var(--err);
  background: color-mix(in srgb, var(--err) 6%, var(--surface-raised));
  border-color: color-mix(in srgb, var(--err) 22%, var(--border));
}

.status-banner.warn {
  color: var(--warn);
  background: color-mix(in srgb, var(--warn) 6%, var(--surface-raised));
  border-color: color-mix(in srgb, var(--warn) 22%, var(--border));
}

.panel-support .form-fields {
  margin-top: 16px;
}

#supportStatus {
  font-size: 12px;
  color: var(--ink-tertiary);
  line-height: 1.45;
}

#supportStatus.ok {
  color: var(--ok);
}

#supportStatus.err {
  color: var(--err);
}

/* Signed-in dashboard */
.panel-download {
  padding: 22px;
}

.account-summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-subtle);
}

.account-email {
  margin-top: 6px;
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-secondary);
  word-break: break-word;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  padding: 4px 10px;
}

.download-grid {
  display: grid;
  grid-template-columns: minmax(16rem, 1fr) minmax(18rem, 0.9fr);
  gap: 22px;
  align-items: stretch;
  padding-top: 18px;
}

.download-details {
  min-width: 0;
}

.lifetime-offer {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  padding-left: 22px;
  border-left: 1px solid var(--border-subtle);
}

.license-summary {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--r);
  background: var(--surface);
}

.license-summary-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.license-pill {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 5px 8px;
  background: var(--accent-muted);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
}

.license-pill.ok {
  background: color-mix(in srgb, var(--ok) 12%, var(--surface-raised));
  color: var(--ok);
}

.license-detail {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.45;
  color: var(--ink-tertiary);
}

.license-summary .lifetime-note {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
}

.download-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#downloadLatest {
  padding: 13px 16px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 6px 18px -8px color-mix(in srgb, var(--accent) 60%, transparent);
}

.btn-link {
  border-radius: var(--r);
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-decoration: none;
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease);
}

.btn-link:hover {
  text-decoration: none;
}

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

.lifetime-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 14px 0 12px;
}

.lifetime-price strong {
  font-family: var(--brand);
  font-size: 32px;
  line-height: 1;
  letter-spacing: -0.03em;
}

.lifetime-price span {
  font-size: 12px;
  color: var(--ink-tertiary);
}

.lifetime-note,
.small {
  font-size: 12px;
  line-height: 1.45;
  color: var(--ink-tertiary);
}

.small.ok {
  color: var(--ok);
}

.small.err {
  color: var(--err);
}

.lifetime-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Build facts as tiles */
.meta-list {
  margin: 16px 0 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.meta-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--r);
  background: var(--surface);
  font-size: 13px;
}

.meta-row:last-child {
  grid-column: 1 / -1;
}

.meta-row dt {
  color: var(--ink-tertiary);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.meta-row dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink);
  text-align: left;
  overflow-wrap: anywhere;
  max-width: none;
}

.hidden {
  display: none !important;
}

/* Footer */
.pagefoot {
  margin-top: auto;
  padding: 16px 20px 20px;
  max-width: calc(var(--shell) + 56px);
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  border-top: 1px solid var(--border-subtle);
  font-size: 12px;
  color: var(--ink-tertiary);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pagefoot-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

@media (min-width: 521px) {
  .pagefoot-row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }
}

.pagefoot-copy a,
.pagefoot-links a {
  color: var(--ink-tertiary);
  text-decoration: none;
}

.pagefoot-copy a:hover,
.pagefoot-links a:hover {
  color: var(--ink-secondary);
  text-decoration: none;
}

.pagefoot-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
}

.pagefoot-links a {
  white-space: nowrap;
}

.pagefoot-meta {
  margin: 0;
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.5;
  color: var(--ink-tertiary);
}

@media (min-width: 521px) {
  .pagefoot-meta {
    text-align: right;
  }
}

/* Doc pages */
main.portal-doc {
  flex: 1;
  width: 100%;
  max-width: 44rem;
  margin: 0 auto;
  padding: 48px 24px 72px;
}

.back-link {
  font-size: 13px;
  color: var(--ink-secondary);
  margin-bottom: 24px;
  display: inline-block;
}

.doc-title {
  font-family: var(--brand);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.doc-card {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-top: 16px;
}

.doc-card h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.doc-card p,
.doc-card li {
  font-size: 14px;
  color: var(--ink-secondary);
  line-height: 1.6;
}

.doc-card ul {
  margin: 0;
  padding-left: 20px;
}

@media (max-width: 919px) {
  .portal-header {
    margin-bottom: 12px;
  }
}

@media (max-width: 520px) {
  .portal-main {
    padding: 32px 16px 28px;
  }

  .nav-inner {
    padding: 12px 16px;
  }

  .nav-right .nav-link {
    display: none;
  }

  .account-summary,
  .download-grid {
    grid-template-columns: 1fr;
  }

  .account-summary {
    flex-direction: column;
  }

  .lifetime-offer {
    padding: 18px 0 0;
    border-left: 0;
    border-top: 1px solid var(--border-subtle);
  }

  .btn-row,
  .meta-list {
    grid-template-columns: 1fr;
  }
}