:root {
  --kittn-background: #f4f7f9;
  --kittn-surface: #ffffff;
  --kittn-surface-soft: #f8fafb;
  --kittn-text: #1d2833;
  --kittn-muted: #617080;
  --kittn-border: #dce3e8;
  --kittn-accent: #176b52;
  --kittn-accent-dark: #10503e;
  --kittn-accent-soft: #edf7f3;
  --kittn-success-border: #c7e3d8;
  --kittn-danger: #b42318;
  --kittn-shadow: 0 18px 48px rgba(27, 43, 57, 0.09);

  --bs-font-sans-serif:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Arial,
    sans-serif;

  --bs-body-font-family: var(--bs-font-sans-serif);
  --bs-body-color: var(--kittn-text);
  --bs-body-bg: var(--kittn-background);
  --bs-success: var(--kittn-accent);
  --bs-success-rgb: 23, 107, 82;
}

html,
body {
  min-height: 100%;
}

html {
  scroll-behavior: smooth;
}

body.kittn-page {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  margin: 0;
  background:
    radial-gradient(
      circle at top left,
      rgba(23, 107, 82, 0.06),
      transparent 30rem
    ),
    var(--kittn-background);
  color: var(--kittn-text);
  font-family: var(--bs-font-sans-serif);
  line-height: 1.65;
}

a {
  color: var(--kittn-accent);
}

a:hover {
  color: var(--kittn-accent-dark);
}

.site-shell {
  width: min(1160px, calc(100% - 32px));
  margin-right: auto;
  margin-left: auto;
}

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--kittn-border);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 3px 18px rgba(28, 42, 54, 0.035);
}

.site-header-inner {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--kittn-text);
  text-decoration: none;
}

.site-brand:hover {
  color: var(--kittn-text);
}

.site-brand-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.site-brand span {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.site-brand strong {
  font-size: 17px;
  letter-spacing: -0.015em;
}

.site-brand small {
  margin-top: 2px;
  color: var(--kittn-muted);
  font-size: 12px;
}

.site-navigation {
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-navigation a {
  color: var(--kittn-muted);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.site-navigation a:hover {
  color: var(--kittn-text);
}

.site-navigation .navigation-login {
  padding: 8px 14px;
  border: 1px solid var(--kittn-border);
  border-radius: 8px;
  background: var(--kittn-surface-soft);
  color: var(--kittn-text);
}

.site-navigation .navigation-login:hover {
  border-color: #bdc9d1;
  background: #ffffff;
}

.site-main {
  flex: 1 0 auto;
  padding: 48px 0 64px;
}

.home-page .site-main {
  padding-top: 58px;
}

.card {
  overflow: hidden;
  border: 1px solid var(--kittn-border);
  border-radius: 14px;
  background: var(--kittn-surface);
  box-shadow: var(--kittn-shadow);
}

.card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--kittn-border);
  background: var(--kittn-surface-soft);
  color: var(--kittn-text);
  font-weight: 700;
}

.card-body {
  padding: 24px;
}

legend {
  color: var(--kittn-text);
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

hr {
  border-color: var(--kittn-border);
  opacity: 1;
}

.form-label {
  color: var(--kittn-text);
  font-size: 14px;
  font-weight: 650;
}

.form-control,
.form-select,
.input-group-text {
  min-height: 44px;
  border-color: #cfd8df;
  border-radius: 8px;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--kittn-accent);
  box-shadow: 0 0 0 0.2rem rgba(23, 107, 82, 0.13);
}

.input-group .form-control {
  border-radius: 8px 0 0 8px;
}

.input-group .input-group-text {
  border-radius: 0 8px 8px 0;
  background: var(--kittn-surface-soft);
  color: var(--kittn-muted);
}

.form-text,
.text-muted {
  color: var(--kittn-muted) !important;
}

.form-text {
  font-size: 0.85rem;
}

.btn {
  border-radius: 8px;
  font-weight: 650;
}

.btn-success {
  border-color: var(--kittn-accent);
  background: var(--kittn-accent);
}

.btn-success:hover,
.btn-success:focus {
  border-color: var(--kittn-accent-dark);
  background: var(--kittn-accent-dark);
}

.btn-outline-secondary {
  border-color: #bcc8d0;
  background: #ffffff;
  color: var(--kittn-text);
}

.btn-outline-secondary:hover {
  border-color: #aab8c2;
  background: var(--kittn-surface-soft);
  color: var(--kittn-text);
}

.btn-secondary {
  border-color: #596b78;
  background: #596b78;
}

.alert {
  border-radius: 9px;
}

.kittn-main-logo {
  display: block;
  width: auto;
  height: auto;
  max-width: 118px;
  max-height: 118px;
  margin-right: auto;
  margin-left: auto;
  object-fit: contain;
}

.register-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.55fr);
  gap: 42px;
  align-items: center;
  padding: 50px;
  border: 1px solid var(--kittn-border);
  border-radius: 22px;
  background: var(--kittn-surface);
  box-shadow: var(--kittn-shadow);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--kittn-accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.register-hero h1 {
  max-width: 720px;
  margin: 0 0 20px;
  color: var(--kittn-text);
  font-size: clamp(36px, 5.5vw, 58px);
  font-weight: 760;
  line-height: 1.07;
  letter-spacing: -0.045em;
}

.hero-lead {
  max-width: 720px;
  margin: 0;
  color: #465766;
  font-size: 18px;
  line-height: 1.7;
}

.hero-description {
  max-width: 720px;
  margin: 14px 0 0;
  color: var(--kittn-muted);
  font-size: 15px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-actions .btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding-right: 19px;
  padding-left: 19px;
  font-size: 15px;
}

.invitation-panel {
  padding: 25px;
  border: 1px solid var(--kittn-border);
  border-radius: 16px;
  background: var(--kittn-surface-soft);
}

.portal-logo {
  display: block;
  width: auto;
  max-width: 94px;
  max-height: 94px;
  margin: 0 auto 20px;
  object-fit: contain;
}

.invitation-panel h2 {
  margin: 0 0 17px;
  font-size: 18px;
  text-align: center;
}

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

.trust-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--kittn-muted);
  font-size: 14px;
  line-height: 1.55;
}

.trust-icon {
  display: inline-flex;
  width: 21px;
  height: 21px;
  flex: 0 0 21px;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
  border-radius: 50%;
  background: var(--kittn-accent-soft);
  color: var(--kittn-accent);
  font-size: 13px;
  font-weight: 800;
}

.information-section {
  margin-top: 56px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 25px;
}

.section-heading h2 {
  margin: 0 0 10px;
  font-size: 30px;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.section-heading p:last-child {
  margin: 0;
  color: var(--kittn-muted);
}

.information-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.information-card {
  padding: 25px;
  border: 1px solid var(--kittn-border);
  border-radius: 14px;
  background: var(--kittn-surface);
}

.information-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.information-card p {
  margin: 0;
  color: var(--kittn-muted);
  font-size: 14px;
}

.contact-notice {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 48px;
  padding: 27px;
  border: 1px solid var(--kittn-success-border);
  border-radius: 14px;
  background: var(--kittn-accent-soft);
}

.contact-notice h2 {
  margin: 0 0 7px;
  font-size: 17px;
}

.contact-notice p {
  margin: 0;
  color: #3f6256;
  font-size: 14px;
}

.service-disclaimer {
  margin: 20px 0 0;
  color: var(--kittn-muted);
  font-size: 13px;
  text-align: center;
}

.site-footer {
  flex-shrink: 0;
  border-top: 1px solid var(--kittn-border);
  background: rgba(255, 255, 255, 0.75);
}

.site-footer-inner {
  display: flex;
  min-height: 110px;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  padding-top: 24px;
  padding-bottom: 24px;
}

.site-footer-inner > div {
  display: flex;
  flex-direction: column;
  max-width: 450px;
}

.site-footer strong {
  font-size: 14px;
}

.site-footer span {
  margin-top: 4px;
  color: var(--kittn-muted);
  font-size: 12px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
}

.site-footer a {
  color: var(--kittn-muted);
  font-size: 12px;
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--kittn-text);
}

#availability-status.available {
  color: var(--kittn-accent);
}

#availability-status.unavailable {
  color: var(--kittn-danger);
}

.table th {
  width: 38%;
  white-space: nowrap;
}

.admin-card {
  overflow: visible;
}

.admin-card .table {
  min-width: 900px;
}

.admin-card td,
.admin-card th {
  vertical-align: middle;
}

.admin-card .badge {
  font-size: 0.78rem;
}

.font-monospace {
  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    monospace;
}

@media (max-width: 900px) {
  .register-hero {
    grid-template-columns: 1fr;
    padding: 36px 28px;
  }

  .invitation-panel {
    max-width: none;
  }

  .information-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header-inner {
    min-height: 64px;
  }

  .site-navigation a:not(.navigation-login) {
    display: none;
  }

  .site-brand-logo {
    width: 35px;
    height: 35px;
  }

  .site-main {
    padding-top: 30px;
  }

  .home-page .site-main {
    padding-top: 30px;
  }

  .register-hero {
    padding: 29px 22px;
    border-radius: 16px;
  }

  .register-hero h1 {
    font-size: 36px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .contact-notice {
    grid-template-columns: 1fr;
  }

  .site-footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-footer nav {
    justify-content: flex-start;
  }
}

@media (max-width: 575.98px) {
  .site-shell {
    width: min(100% - 24px, 1160px);
  }

  .site-brand small {
    display: none;
  }

  .card-body {
    padding: 20px;
  }

  .kittn-main-logo {
    max-width: 100px;
    max-height: 100px;
  }

  .table th {
    width: auto;
    white-space: normal;
  }
}

.legal-card h1 {
  margin: 0 0 24px;
  font-size: 2rem;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.legal-card h2 {
  margin: 30px 0 10px;
  font-size: 1.2rem;
  line-height: 1.35;
}

.legal-card p,
.legal-card li {
  color: var(--kittn-muted);
}

.legal-card ul {
  padding-left: 1.25rem;
}

.legal-card li + li {
  margin-top: 6px;
}

.legal-date {
  margin-top: 36px;
  font-size: 0.85rem;
}