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

body {
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
  font-weight: 400;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 var(--space-2);
}

h1 {
  font-size: 42px;
}
h2 {
  font-size: 32px;
}
h3 {
  font-size: 25px;
}
h4 {
  font-size: 20px;
}
h5 {
  font-size: 16px;
}
h6 {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

p {
  margin: 0 0 var(--space-3);
}

a {
  color: var(--color-accent);
  text-underline-offset: 3px;
}

img {
  display: block;
  max-width: 100%;
}

figure {
  margin: 0;
}

figcaption {
  font-size: 11px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}

.text-muted {
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}

:focus {
  outline: none;
}

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

::selection {
  background: color-mix(in srgb, var(--color-accent) 30%, transparent);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: var(--z-toast);
  background: var(--color-bg);
  color: var(--color-text);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-divider);
}

.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

.hr {
  border: none;
  border-top: 1px solid var(--color-divider);
  margin: var(--space-4) 0;
}

/* Signature registration-mark corners on framed elements. */
.blueprint {
  position: relative;
}

.blueprint > .corner {
  position: absolute;
  width: 11px;
  height: 11px;
  pointer-events: none;
}

.blueprint > .corner::before,
.blueprint > .corner::after {
  content: "";
  position: absolute;
  background: color-mix(in srgb, var(--color-text) 55%, transparent);
}

.blueprint > .corner::before {
  width: 100%;
  height: 1px;
}

.blueprint > .corner::after {
  width: 1px;
  height: 100%;
}

.blueprint > .corner.tl {
  top: -6px;
  left: -6px;
}
.blueprint > .corner.tl::before {
  top: 0;
  left: 0;
}
.blueprint > .corner.tl::after {
  top: 0;
  left: 0;
}

.blueprint > .corner.tr {
  top: -6px;
  right: -6px;
}
.blueprint > .corner.tr::before {
  top: 0;
  right: 0;
}
.blueprint > .corner.tr::after {
  top: 0;
  right: 0;
}

.blueprint > .corner.bl {
  bottom: -6px;
  left: -6px;
}
.blueprint > .corner.bl::before {
  bottom: 0;
  left: 0;
}
.blueprint > .corner.bl::after {
  bottom: 0;
  left: 0;
}

.blueprint > .corner.br {
  bottom: -6px;
  right: -6px;
}
.blueprint > .corner.br::before {
  bottom: 0;
  right: 0;
}
.blueprint > .corner.br::after {
  bottom: 0;
  right: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn:hover {
  background: var(--color-neutral-200);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-neutral-100);
}

.btn-primary:hover {
  background: var(--color-accent-600);
}

.btn-secondary {
  background: transparent;
  border-color: var(--color-divider);
  color: var(--color-text);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
}

.btn-icon {
  padding: var(--space-2);
  aspect-ratio: 1;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* Forms */
.field > label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: var(--space-1);
}

.input {
  display: block;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}

textarea.input {
  resize: vertical;
  min-height: 96px;
}

.radio {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.radio .dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid var(--color-divider);
  display: inline-block;
}

.seg {
  display: inline-flex;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.seg-opt {
  padding: var(--space-1) var(--space-3);
  font-size: 13px;
  background: transparent;
  border: none;
  border-right: 1px solid var(--color-divider);
  cursor: pointer;
}

.seg-opt:last-child {
  border-right: none;
}

/* Cards */
.card {
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: var(--space-4);
}

.card-kicker {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.card-title {
  margin: var(--space-1) 0 var(--space-2);
}

.card-body {
  color: var(--color-text);
}

.card-meta {
  font-size: 12px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}

.elev-sm {
  box-shadow: var(--shadow-sm);
}

.elev-md {
  box-shadow: var(--shadow-md);
}

.elev-lg {
  box-shadow: var(--shadow-lg);
}

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  background: var(--color-neutral-200);
  color: var(--color-text);
}

.tag-accent {
  background: var(--color-accent-100);
  color: var(--color-accent-700);
}

.tag-accent-2 {
  background: var(--color-accent-100);
  color: var(--color-accent-700);
}

.tag-neutral {
  background: var(--color-neutral-200);
  color: var(--color-neutral-700);
}

.tag-outline {
  background: transparent;
  border: 1px solid var(--color-divider);
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-6);
  flex-wrap: wrap;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-divider);
  z-index: var(--z-nav);
}

#main {
  padding-top: 72px;
}

.nav-brand {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 20px;
  letter-spacing: -0.01em;
}

.nav a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 14px;
  margin-left: var(--space-6);
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--color-accent);
}

@media (max-width: 480px) {
  .nav a {
    margin-left: var(--space-4);
    font-size: 13px;
  }

  #main {
    padding-top: 96px;
  }
}

/* Table */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  text-align: left;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}

.table td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}

.table tbody tr:hover {
  background: color-mix(in srgb, var(--color-text) 4%, transparent);
}

/* Dialog */
.dialog-backdrop {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, var(--color-neutral-900) 55%, transparent);
  z-index: var(--z-overlay);
}

.dialog {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(480px, calc(100vw - var(--space-8)));
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-modal);
}

.dialog-title {
  margin-bottom: var(--space-2);
}

.dialog-body {
  margin-bottom: var(--space-4);
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
}

/* Blueprint frame override: square corners, transparent surfaces. */
.card,
.btn,
.input,
.tag,
.seg,
.dialog {
  border-radius: 0;
}

.card,
.dialog {
  background: transparent;
  border: 1px solid var(--color-divider);
}

.btn {
  border: 1px solid var(--color-divider);
}

.btn-primary {
  border-color: var(--color-accent);
}

.btn-ghost {
  border-color: transparent;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}