:root {
  color-scheme: light;
  --page: #f6f7f2;
  --surface: #ffffff;
  --surface-soft: #edf3ee;
  --text: #17201a;
  --muted: #5d675f;
  --line: #d9e1d8;
  --accent: #0f766e;
  --accent-blue: #2563eb;
  --accent-warm: #b45309;
  --danger: #b91c1c;
  --shadow: 0 16px 44px rgba(23, 32, 26, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--page);
  color: var(--text);
}

a {
  color: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.5rem;
  padding: 0 2rem;
  border-bottom: 1px solid rgba(217, 225, 216, 0.9);
  background: rgba(246, 247, 242, 0.92);
  backdrop-filter: blur(16px);
}

.brand,
.topnav,
.nav-form {
  display: flex;
  align-items: center;
}

.brand {
  gap: 0.75rem;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 2.2rem;
  height: 2.2rem;
  place-items: center;
  border: 2px solid var(--text);
  border-radius: 8px;
  background: linear-gradient(135deg, var(--surface) 0 48%, rgba(15, 118, 110, 0.18) 48% 100%);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
}

.topnav {
  gap: 0.35rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.topnav a,
.nav-form button {
  min-height: 2.5rem;
  padding: 0.65rem 0.9rem;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
}

.topnav a:hover,
.topnav a:focus-visible,
.nav-form button:hover,
.nav-form button:focus-visible {
  background: var(--surface-soft);
  color: var(--text);
  outline: none;
}

.page-shell {
  width: min(52rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4rem 0 5rem;
}

.page-shell-wide {
  width: min(76rem, calc(100% - 2rem));
}

.intro {
  max-width: 44rem;
  margin-bottom: 3.5rem;
}

.intro.compact {
  margin-bottom: 1.5rem;
}

.eyebrow {
  margin: 0 0 0.55rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 1rem;
  font-size: 3.25rem;
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0.9rem;
  font-size: 1.35rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.intro-text,
.muted {
  color: var(--muted);
  line-height: 1.65;
}

.intro-text {
  max-width: 36rem;
  margin-bottom: 0;
  font-size: 1.1rem;
}

.app-section + .app-section,
.panel + .panel {
  margin-top: 3rem;
}

.section-heading {
  margin-bottom: 1rem;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1rem;
}

.app-card,
.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.app-card {
  min-height: 10.5rem;
}

.app-link {
  display: grid;
  grid-template-columns: 3rem 1fr 1.5rem;
  gap: 1rem;
  height: 100%;
  min-height: 10.5rem;
  padding: 1.1rem;
  text-decoration: none;
}

.app-link:hover,
.app-link:focus-visible {
  border-radius: 8px;
  outline: 3px solid rgba(15, 118, 110, 0.28);
  outline-offset: 2px;
}

.app-link strong,
.app-link span {
  display: block;
}

.app-link strong {
  margin: 0.35rem 0;
  font-size: 1.08rem;
}

.app-link span:last-child {
  color: var(--muted);
  line-height: 1.45;
}

.app-label {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.app-icon {
  position: relative;
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.app-icon::before,
.app-icon::after,
.app-arrow::before,
.app-arrow::after {
  position: absolute;
  content: "";
}

.app-icon-news::before {
  inset: 0.75rem 0.65rem 0.65rem;
  border: 2px solid var(--accent);
  border-radius: 4px;
}

.app-icon-news::after {
  top: 1rem;
  left: 0.95rem;
  width: 1.1rem;
  height: 2px;
  background: var(--accent);
  box-shadow: 0 0.45rem 0 var(--accent), 0 0.9rem 0 var(--accent);
}

.app-icon-cube::before {
  top: 0.85rem;
  left: 0.9rem;
  width: 1.2rem;
  height: 1.2rem;
  border: 2px solid var(--accent-blue);
  transform: rotate(45deg) skew(-6deg, -6deg);
}

.app-icon-cube::after {
  top: 1.45rem;
  left: 1.45rem;
  width: 0.85rem;
  height: 0.85rem;
  border-right: 2px solid var(--accent-blue);
  border-bottom: 2px solid var(--accent-blue);
}

.app-icon-mind::before {
  top: 0.8rem;
  left: 0.75rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--accent-warm);
  box-shadow: 1rem 0.25rem 0 var(--accent), 0.45rem 1.25rem 0 var(--accent-blue);
}

.app-icon-mind::after {
  inset: 1.12rem 1rem 1.15rem;
  border-top: 2px solid var(--muted);
  border-left: 2px solid var(--muted);
  transform: rotate(25deg);
}

.app-icon-book::before {
  inset: 0.7rem 0.65rem;
  border: 2px solid var(--accent-blue);
  border-left-width: 5px;
  border-radius: 4px;
}

.app-icon-route::before {
  top: 0.75rem;
  left: 0.75rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0.95rem 0.95rem 0 var(--accent-warm);
}

.app-icon-route::after {
  top: 1rem;
  left: 1.1rem;
  width: 1rem;
  height: 1rem;
  border-bottom: 2px solid var(--muted);
  border-left: 2px solid var(--muted);
  transform: rotate(-35deg);
}

.app-icon-grid::before {
  inset: 0.8rem;
  background:
    linear-gradient(var(--accent-blue), var(--accent-blue)) 0 0 / 0.55rem 0.55rem no-repeat,
    linear-gradient(var(--accent), var(--accent)) 100% 0 / 0.55rem 0.55rem no-repeat,
    linear-gradient(var(--accent-warm), var(--accent-warm)) 0 100% / 0.55rem 0.55rem no-repeat,
    linear-gradient(var(--muted), var(--muted)) 100% 100% / 0.55rem 0.55rem no-repeat;
}

.app-arrow {
  position: relative;
  align-self: center;
  width: 1.5rem;
  height: 1.5rem;
}

.app-arrow::before {
  top: 0.7rem;
  right: 0.25rem;
  width: 0.9rem;
  height: 2px;
  background: var(--muted);
}

.app-arrow::after {
  top: 0.48rem;
  right: 0.2rem;
  width: 0.5rem;
  height: 0.5rem;
  border-top: 2px solid var(--muted);
  border-right: 2px solid var(--muted);
  transform: rotate(45deg);
}

.panel {
  padding: 1.35rem;
}

.panel.narrow {
  max-width: 34rem;
  margin-inline: auto;
}

.account-layout {
  display: grid;
  grid-template-columns: minmax(16rem, 0.85fr) minmax(0, 1.15fr) minmax(0, 1.15fr);
  gap: 1rem;
  align-items: start;
}

.account-status-panel {
  grid-row: span 2;
}

.account-form-panel,
.account-danger-panel {
  min-height: 100%;
}

.account-danger-panel {
  grid-column: 2 / -1;
}

.admin-panel {
  margin-top: 1rem;
}

.form {
  display: grid;
  gap: 0.9rem;
}

.inline-form {
  grid-template-columns: minmax(14rem, 1fr) auto;
  align-items: end;
}

label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-weight: 700;
}

input {
  width: 100%;
  min-height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  font: inherit;
  padding: 0.65rem 0.75rem;
}

input:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(15, 118, 110, 0.18);
}

button,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  padding: 0.7rem 1rem;
  text-decoration: none;
}

button:hover,
button:focus-visible,
.button-link:hover,
.button-link:focus-visible {
  background: #0d625c;
  outline: none;
}

button.danger {
  background: var(--danger);
}

.danger-panel {
  border-color: rgba(185, 28, 28, 0.3);
}

.text-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.1rem;
  color: var(--muted);
  font-weight: 700;
}

.notice {
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 0 0 1rem;
  padding: 0.8rem 0.9rem;
  line-height: 1.5;
}

.notice.success {
  border-color: rgba(15, 118, 110, 0.28);
  background: rgba(15, 118, 110, 0.08);
}

.notice.error {
  border-color: rgba(185, 28, 28, 0.28);
  background: rgba(185, 28, 28, 0.08);
}

.notice.info {
  border-color: rgba(37, 99, 235, 0.25);
  background: rgba(37, 99, 235, 0.08);
}

code {
  word-break: break-word;
}

.facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.55rem 1rem;
  margin: 0;
}

.facts dt {
  color: var(--muted);
  font-weight: 800;
}

.facts dd {
  margin: 0;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.table th,
.table td {
  border-bottom: 1px solid var(--line);
  padding: 0.65rem 0.4rem;
  text-align: left;
}

.table th {
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 720px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 1rem;
  }

  h1 {
    font-size: 2.45rem;
  }

  .app-grid,
  .account-layout,
  .inline-form {
    grid-template-columns: 1fr;
  }

  .account-status-panel,
  .account-danger-panel {
    grid-column: auto;
    grid-row: auto;
  }
}

@media (min-width: 721px) and (max-width: 980px) {
  .account-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .account-status-panel,
  .account-danger-panel {
    grid-column: 1 / -1;
    grid-row: auto;
  }
}