:root {
  --colour-page: #f8efb9;
  --colour-surface: #ffffff;
  --colour-surface-muted: #edf2f7;
  --colour-text: #172033;
  --colour-text-muted: #526176;
  --colour-border: #aeb8c7;
  --colour-primary: #174ea6;
  --colour-primary-hover: #0f3d85;
  --colour-primary-text: #ffffff;
  --colour-success: #0b6e4f;
  --colour-success-surface: #e6f5ef;
  --colour-danger: #ad1f2d;
  --colour-danger-hover: #891722;
  --colour-danger-surface: #fff0f1;
  --colour-focus: #e66a00;
  --colour-shadow: rgba(23, 32, 51, 0.12);
  --property-light-green: #dcefc9;
  --property-light-blue: #d9edff;
  --property-orange: #ffe0bd;
  --property-green: #cde8d5;
  --property-light-brown: #ead8c6;
  --property-purple: #e7d8f3;
  --property-pink: #ffdbe7;
  --property-yellow: #fff0ad;
  --property-dark-green: #bcd8bf;
  --property-brown: #dec7b4;
  --property-dark-blue: #ccd9f6;
  --property-red: #ffe0e2;
  --property-tourism: #e0d8ff;
  --property-utility: #daeeec;
  --property-transport: #e4e6e9;
  --radius-small: 0.5rem;
  --radius-medium: 0.875rem;
  --radius-large: 1.25rem;
  --shadow-card: 0 0.25rem 0.9rem var(--colour-shadow);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  font-family: var(--font-sans);
  line-height: 1.5;
}

.header-content {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.header-logo {
  flex: 0 0 auto;
  width: 5.5rem;
  height: 5.5rem;
  border-radius: 1rem;
  object-fit: cover;
  margin: auto 10px;
}

.header-text {
  min-width: 0;
}

body {
  min-width: 20rem;
  margin: 0;
  background: var(--colour-page);
  color: var(--colour-text);
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
select,
input[type="checkbox"],
input[type="radio"] {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

img {
  max-width: 100%;
}

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

h1,
h2,
h3 {
  color: var(--colour-text);
  line-height: 1.2;
}

h1 {
  margin-bottom: 0.5rem;
  font-size: clamp(2.1rem, 8vw, 3.4rem);
  letter-spacing: -0.04em;
}

h2 {
  margin-bottom: 0.35rem;
  font-size: 1.35rem;
}

h3 {
  margin-bottom: 0.25rem;
  font-size: 1.1rem;
}

p {
  margin-bottom: 1rem;
}

strong {
  font-weight: 750;
}

.container {
  width: min(100% - 2rem, 70rem);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 0.5rem;
  left: 0.5rem;
  transform: translateY(-150%);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-small);
  background: var(--colour-text);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  padding: 2.5rem 0 2rem;
  background: linear-gradient(135deg, #2c3c31, #3d5047);
  color: #ffffff;
}

.site-header h1,
.site-header p {
  color: inherit;
}

.eyebrow {
  margin-bottom: 0.4rem;
  color: #dcecff;
  font-size: 0.85rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tagline {
  margin-bottom: 0.65rem;
  font-size: 1.2rem;
  font-weight: 700;
}

.intro {
  max-width: 42rem;
  margin-bottom: 0;
  color: #eef6ff;
}

main {
  padding-block: 1.5rem 3rem;
}

.panel,
.storage-notice {
  margin-bottom: 1rem;
  padding: 1.25rem;
  border: 0.0625rem solid var(--colour-border);
  border-radius: var(--radius-medium);
  background: var(--colour-surface);
  box-shadow: var(--shadow-card);
}

.storage-notice {
  border-left: 0.35rem solid var(--colour-success);
  background: var(--colour-success-surface);
}

.storage-notice h2 {
  margin-bottom: 0.4rem;
}

.storage-notice p:last-child {
  margin-bottom: 0;
}

#save-status {
  color: var(--colour-success);
  font-weight: 700;
}

.section-heading {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

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

.section-number {
  display: grid;
  flex: 0 0 auto;
  width: 2rem;
  min-height: 2rem;
  place-items: center;
  margin: 0;
  border-radius: 50%;
  background: var(--colour-primary);
  color: var(--colour-primary-text);
  font-weight: 800;
}

.form-grid {
  display: grid;
  gap: 1rem;
}

.setup-layout {
  display: grid;
  gap: 1.25rem;
}

.setup-fields {
  align-content: start;
}

.player-count-field {
  max-width: 18rem;
}

.board-preview {
  display: grid;
  gap: 0.5rem;
  width: min(100%, 18rem);
  margin: 0 auto;
}

.board-preview img {
  max-width: 100%;
}

.board-preview figcaption {
  color: var(--colour-text-muted);
  font-size: 0.875rem;
  text-align: center;
}

.form-field {
  display: grid;
  gap: 0.4rem;
}

label,
legend {
  font-weight: 750;
}

.optional,
.field-help {
  color: var(--colour-text-muted);
  font-weight: 400;
}

.field-help {
  margin: 0;
  font-size: 0.9rem;
}

input,
select,
textarea {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.65rem 0.75rem;
  border: 0.125rem solid var(--colour-border);
  border-radius: var(--radius-small);
  background: var(--colour-surface);
  color: var(--colour-text);
}

textarea {
  min-height: 6.5rem;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: #68778c;
  opacity: 1;
}

input[type="checkbox"],
input[type="radio"] {
  width: 1.25rem;
  min-width: 1.25rem;
  min-height: 1.25rem;
  margin: 0;
  accent-color: var(--colour-primary);
}

input[type="number"] {
  appearance: textfield;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  margin: 0;
  appearance: none;
}

button {
  min-height: 2.75rem;
  padding: 0.7rem 1rem;
  border: 0.125rem solid transparent;
  border-radius: var(--radius-small);
  background: var(--colour-primary);
  color: var(--colour-primary-text);
  font-weight: 750;
  line-height: 1.2;
}

button:hover:not(:disabled) {
  background: var(--colour-primary-hover);
}

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

.button-danger:hover:not(:disabled) {
  background: var(--colour-danger-hover);
}

.danger-panel {
  border-color: #e5a6ad;
  background: var(--colour-danger-surface);
}

.danger-panel p {
  max-width: 45rem;
}

.empty-state {
  margin: 0;
  padding: 1rem;
  border: 0.125rem dashed var(--colour-border);
  border-radius: var(--radius-small);
  color: var(--colour-text-muted);
  text-align: center;
}

.player-list,
.property-list {
  display: grid;
  gap: 1rem;
}

.player-card,
.property-card,
.summary-card {
  padding: 1rem;
  border: 0.0625rem solid var(--colour-border);
  border-radius: var(--radius-small);
  background: var(--colour-surface-muted);
}

.property-card[data-colour-group="light-green"] {
  background: var(--property-light-green);
  border-color: #77a95f;
}

.property-card[data-colour-group="light-blue"] {
  background: var(--property-light-blue);
  border-color: #5d9fd3;
}

.property-card[data-colour-group="orange"] {
  background: var(--property-orange);
  border-color: #c97720;
}

.property-card[data-colour-group="green"] {
  background: var(--property-green);
  border-color: #468c59;
}

.property-card[data-colour-group="light-brown"] {
  background: var(--property-light-brown);
  border-color: #9b7459;
}

.property-card[data-colour-group="purple"] {
  background: var(--property-purple);
  border-color: #8562aa;
}

.property-card[data-colour-group="pink"] {
  background: var(--property-pink);
  border-color: #be5b7d;
}

.property-card[data-colour-group="yellow"] {
  background: var(--property-yellow);
  border-color: #a98200;
}

.property-card[data-colour-group="dark-green"] {
  background: var(--property-dark-green);
  border-color: #357047;
}

.property-card[data-colour-group="brown"] {
  background: var(--property-brown);
  border-color: #79513b;
}

.property-card[data-colour-group="dark-blue"] {
  background: var(--property-dark-blue);
  border-color: #36589f;
}

.property-card[data-colour-group="red"] {
  background: var(--property-red);
  border-color: #b33a45;
}

.property-card[data-colour-group="tourism"],
.property-card[data-colour-group="utility"],
.property-card[data-colour-group="transport"] {
  background: var(--colour-surface-muted);
  border-color: var(--colour-border);
}

.player-card > :last-child,
.property-card > :last-child,
.summary-card > :last-child {
  margin-bottom: 0;
}

.player-card-header,
.property-card-header,
.summary-card-header {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.player-card-header h3,
.property-card-header h3,
.summary-card-header h3 {
  margin: 0;
}

.player-form-grid,
.property-form-grid {
  display: grid;
  gap: 1rem;
}

.checkbox-field,
.radio-field {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
}

.checkbox-field label,
.radio-field label {
  font-weight: 500;
}

.current-player-label {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  background: #dbeafe;
  color: #123d7b;
  font-size: 0.9rem;
  font-weight: 750;
}

.property-group {
  display: grid;
  gap: 0.75rem;
}

.property-group + .property-group {
  margin-top: 1.25rem;
}

.property-group-title {
  margin: 0;
  color: var(--colour-text-muted);
  font-size: 1rem;
}

.summary-panel {
  background: #f9fbff;
}

#current-player-summary {
  margin-bottom: 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-small);
  background: #e8f0fe;
}

#current-player-summary p {
  margin: 0;
}

#summary-container {
  display: grid;
  gap: 0.75rem;
}

.summary-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  margin: 0;
}

.summary-details div {
  padding: 0.65rem;
  border-radius: var(--radius-small);
  background: var(--colour-surface);
}

.summary-details dt {
  color: var(--colour-text-muted);
  font-size: 0.85rem;
}

.summary-details dd {
  margin: 0.15rem 0 0;
  font-weight: 750;
}

.last-saved {
  margin: 1.25rem 0 0;
  color: var(--colour-text-muted);
}

.validation-message {
  margin: 0;
  color: var(--colour-danger);
  font-size: 0.9rem;
  font-weight: 700;
}

[aria-invalid="true"] {
  border-color: var(--colour-danger);
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 0.2rem solid var(--colour-focus);
  outline-offset: 0.2rem;
}

.noscript-message {
  position: fixed;
  z-index: 20;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  padding: 1rem;
  border: 0.125rem solid var(--colour-danger);
  border-radius: var(--radius-small);
  background: var(--colour-danger-surface);
  color: var(--colour-text);
  font-weight: 700;
  text-align: center;
}

.board-preview-button {
  position: relative;
  display: block;
  width: 100%;
  min-height: 0;
  padding: 0;
  overflow: hidden;
  border: 0.125rem solid var(--colour-border);
  border-radius: var(--radius-small);
  background: var(--colour-surface-muted);
  color: inherit;
}

.board-preview-button:hover:not(:disabled) {
  background: var(--colour-surface-muted);
}

.board-preview-button img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
}

.board-preview-hint {
  position: absolute;
  right: 0.5rem;
  bottom: 0.5rem;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.78);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 700;
}

.image-dialog[hidden] {
  display: none;
}

.image-dialog {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.image-dialog-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
}

.image-dialog-content {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.75rem;
  width: min(100%, 62rem);
  max-height: calc(100vh - 2rem);
  padding: 1rem;
  overflow: auto;
  border-radius: var(--radius-medium);
  background: var(--colour-surface);
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.45);
}

.image-dialog-header {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.image-dialog-header h2 {
  margin: 0;
}

.image-dialog-close {
  display: grid;
  flex: 0 0 auto;
  width: 2.75rem;
  min-height: 2.75rem;
  padding: 0;
  place-items: center;
  border-radius: 50%;
  font-size: 2rem;
  line-height: 1;
}

.image-dialog-image-button {
  display: block;
  width: 100%;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: var(--radius-small);
  background: transparent;
  color: inherit;
}

.image-dialog-image-button:hover:not(:disabled) {
  background: transparent;
}

.image-dialog-image-button img {
  display: block;
  width: 100%;
  max-height: 72vh;
  margin: 0 auto;
  object-fit: contain;
}

.image-dialog-help {
  margin: 0;
  color: var(--colour-text-muted);
  font-size: 0.9rem;
  text-align: center;
}

body.image-dialog-open {
  overflow: hidden;
}

@media (min-width: 42rem) {
  .image-dialog-content {
    padding: 1.25rem;
  }
}

@media (min-width: 42rem) {
  .site-header {
    padding-block: 3.5rem 2.75rem;
  }

  .panel,
  .storage-notice {
    padding: 1.5rem;
  }

  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-field:last-child:nth-child(odd) {
    grid-column: span 2;
  }

  .player-form-grid,
  .property-form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .summary-details {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 64rem) {
  .container {
    width: min(100% - 3rem, 76rem);
  }

  main {
    padding-top: 2rem;
  }

  .panel,
  .storage-notice {
    margin-bottom: 1.5rem;
  }

  .player-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (min-width: 42rem) {
  .header-logo {
    width: 7rem;
    height: 7rem;
  }

  .setup-layout {
    grid-template-columns: minmax(0, 1fr) minmax(12rem, 18rem);
    align-items: center;
  }

  .setup-fields {
    grid-template-columns: 1fr;
  }

  .setup-fields .form-field:last-child:nth-child(odd) {
    grid-column: auto;
  }

  .board-preview {
    margin: 0;
  }
}