:root {
  color-scheme: light;
  --ink: #16211f;
  --muted: #5b6763;
  --line: #d8dfdc;
  --panel: #ffffff;
  --soft: #f4f7f5;
  --field: #e8f0ec;
  --brand: #25483f;
  --brand-strong: #17372f;
  --blue: #285c8d;
  --amber: #996a1d;
  --red: #a84437;
  --green: #2e6b4f;
  --shadow: 0 12px 30px rgba(22, 33, 31, 0.08);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--soft);
  color: var(--ink);
}

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

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

a {
  color: var(--blue);
}

.skip-link {
  left: 16px;
  padding: 10px 14px;
  position: absolute;
  top: -48px;
  z-index: 50;
  background: var(--brand);
  color: white;
  border-radius: 6px;
}

.skip-link:focus {
  top: 16px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 76px;
  padding: 12px clamp(16px, 4vw, 48px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand-mark {
  width: 48px;
  height: 48px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(1.05rem, 2vw, 1.45rem);
  line-height: 1.15;
}

h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  line-height: 1.2;
}

h3 {
  margin: 0 0 10px;
  font-size: 1rem;
  line-height: 1.25;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.nav-button,
.ghost-button,
.primary-button,
.secondary-button,
.file-button,
.icon-button {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: white;
  color: var(--ink);
  min-height: 38px;
  padding: 9px 12px;
  font-weight: 720;
}

.small-button {
  min-height: 30px;
  padding: 5px 9px;
  font-size: 0.78rem;
}

.nav-button.active,
.primary-button {
  border-color: var(--brand);
  background: var(--brand);
  color: white;
}

.secondary-button {
  border-color: #b8c8c1;
  background: #eef5f1;
  color: var(--brand-strong);
}

.file-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.file-button input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.ghost-button {
  background: transparent;
}

main {
  padding: 18px clamp(12px, 3vw, 40px) 40px;
}

.view {
  display: none;
}

.active-view {
  display: block;
}

.search-band {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(280px, 1.2fr);
  gap: 18px;
  align-items: end;
  margin-bottom: 14px;
  padding: clamp(16px, 3vw, 28px);
  background:
    linear-gradient(90deg, rgba(37, 72, 63, 0.92), rgba(40, 92, 141, 0.82)),
    url("./assets/activity-field.svg");
  background-size: cover, 220px;
  background-position: center, right center;
  color: white;
  border-radius: 8px;
}

.search-band .eyebrow,
.search-band p {
  color: rgba(255, 255, 255, 0.82);
}

.search-copy h2 {
  max-width: 720px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 720;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #c7d1cd;
  border-radius: 6px;
  background: white;
  color: var(--ink);
  padding: 10px 11px;
  font-weight: 520;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible {
  outline: 3px solid rgba(40, 92, 141, 0.25);
  outline-offset: 2px;
}

.search-box input {
  min-height: 52px;
  border-color: rgba(255, 255, 255, 0.8);
  font-size: 1.05rem;
}

.search-box span {
  color: rgba(255, 255, 255, 0.84);
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.stat-tile {
  min-height: 88px;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.stat-tile strong {
  display: block;
  margin-bottom: 5px;
  color: var(--brand-strong);
  font-size: 1.45rem;
  line-height: 1.1;
}

.stat-tile span {
  color: var(--muted);
  font-size: 0.88rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(330px, 1fr) minmax(320px, 520px);
  gap: 14px;
  align-items: start;
}

.filters-panel,
.results-panel,
.details-panel,
.help-panel,
.resource-panel,
.session-plan,
.admin-picker,
.admin-form,
.source-filter-panel,
.source-results-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.filters-panel,
.results-panel,
.details-panel {
  max-height: calc(100vh - 112px);
  overflow: auto;
}

.filters-panel {
  display: grid;
  gap: 14px;
  padding: 14px;
  position: sticky;
  top: 92px;
}

.panel-heading,
.results-toolbar,
.page-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.panel-heading h2,
.results-toolbar h2,
.page-heading h2 {
  margin: 0;
}

.checkbox-line {
  grid-template-columns: 18px 1fr;
  align-items: center;
  color: var(--ink);
}

.checkbox-line input {
  width: 18px;
  height: 18px;
}

.filter-section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.filter-section-heading h3 {
  margin: 0;
}

.equipment-filter {
  display: grid;
  gap: 8px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.equipment-filter p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.equipment-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  max-height: 260px;
  overflow: auto;
  padding-right: 4px;
}

.equipment-option {
  display: grid;
  grid-template-columns: 18px 1fr auto;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 6px 8px;
  border: 1px solid #d8e3de;
  border-radius: 6px;
  background: #f7faf8;
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 690;
}

.equipment-option input {
  width: 18px;
  height: 18px;
}

.equipment-option small {
  color: var(--muted);
  font-weight: 720;
}

.results-panel {
  padding: 14px;
}

.compact-select {
  width: min(180px, 100%);
}

.selection-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
}

.selection-actions span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 760;
}

.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  min-height: 28px;
  margin: 10px 0;
}

.filter-chip,
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 0.75rem;
  font-weight: 760;
  line-height: 1.2;
}

.filter-chip {
  background: var(--field);
  color: var(--brand-strong);
}

.badge.ready {
  background: #e5f4ec;
  color: var(--green);
}

.badge.pending {
  background: #f3f0e7;
  color: var(--amber);
}

.badge.risk {
  background: #f8e9e6;
  color: var(--red);
}

.game-list {
  display: grid;
  gap: 10px;
}

.game-card {
  display: grid;
  gap: 10px;
  width: 100%;
  padding: 12px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.game-card.selected {
  border-color: var(--brand);
  background: #f4faf7;
}

.game-card:hover,
.game-card.active {
  border-color: #8fb0a3;
  background: #fbfdfc;
}

.card-select-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.select-game {
  display: inline-flex;
  grid-template-columns: none;
  align-items: center;
  gap: 7px;
  color: var(--brand-strong);
  font-size: 0.82rem;
  font-weight: 760;
}

.select-game input {
  width: 18px;
  height: 18px;
}

.card-open-area {
  display: grid;
  gap: 10px;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
}

.game-card h3 {
  margin: 0;
}

.card-meta,
.quick-facts,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.card-meta span,
.quick-facts span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 7px;
  border: 1px solid #dae3df;
  border-radius: 6px;
  color: var(--muted);
  background: #f8fbf9;
  font-size: 0.78rem;
  font-weight: 690;
}

.game-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.details-panel {
  position: sticky;
  top: 92px;
  overflow: auto;
}

.game-detail {
  display: grid;
  gap: 16px;
  padding: 18px;
}

.empty-detail {
  min-height: 240px;
  align-content: center;
}

.detail-header {
  display: grid;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.detail-title-line {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.detail-section {
  display: grid;
  gap: 8px;
}

.detail-section p,
.detail-section li {
  color: #33413d;
  line-height: 1.55;
}

.detail-section p {
  margin: 0;
}

.steps-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 24px;
}

.steps-list li {
  padding-left: 4px;
}

.detail-list {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 22px;
}

.source-list {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.source-list a {
  overflow-wrap: anywhere;
}

.page-heading {
  margin-bottom: 14px;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.session-layout,
.admin-layout,
.sources-layout {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(250px, 360px);
  gap: 14px;
  align-items: start;
}

.session-plan,
.help-panel,
.resource-panel,
.admin-picker,
.admin-form,
.source-filter-panel,
.source-results-panel {
  padding: 16px;
}

.session-fields {
  display: grid;
  grid-template-columns: minmax(220px, 0.75fr) minmax(280px, 1.25fr);
  gap: 12px;
  margin-bottom: 14px;
}

.session-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(100px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.session-list {
  display: grid;
  gap: 10px;
}

.session-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.session-actions {
  display: grid;
  grid-template-columns: repeat(3, 36px);
  gap: 6px;
}

.icon-button {
  min-width: 36px;
  padding: 6px;
}

.offline-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(230px, 1fr));
  gap: 14px;
}

.admin-layout {
  grid-template-columns: minmax(240px, 340px) minmax(360px, 1fr);
}

.sources-layout {
  grid-template-columns: minmax(230px, 320px) minmax(360px, 1fr);
}

.admin-picker {
  position: sticky;
  top: 92px;
  max-height: calc(100vh - 112px);
  overflow: auto;
}

.source-filter-panel {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 14px;
  max-height: calc(100vh - 112px);
  overflow: auto;
}

.source-candidate-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.source-card {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.source-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.source-card h3,
.source-card p {
  margin: 0;
}

.source-card p {
  color: var(--muted);
  line-height: 1.45;
}

.source-evidence {
  padding-left: 10px;
  border-left: 3px solid var(--line);
}

.source-link {
  width: fit-content;
  font-weight: 760;
  overflow-wrap: anywhere;
}

.admin-game-list {
  display: grid;
  gap: 7px;
  margin-top: 12px;
}

.admin-game-button {
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  color: var(--ink);
  text-align: left;
}

.admin-game-button.active {
  border-color: var(--brand);
  background: #eef5f1;
}

.admin-form {
  display: grid;
  gap: 14px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 12px;
}

.admin-diff {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px dashed #bdcbc5;
  border-radius: 8px;
  background: #fbfdfc;
}

.diff-row {
  display: grid;
  gap: 4px;
}

.diff-row strong {
  color: var(--brand-strong);
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  max-width: min(420px, calc(100vw - 36px));
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--brand-strong);
  color: white;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity 0.16s ease,
    transform 0.16s ease;
  pointer-events: none;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.print-only {
  display: none;
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: minmax(210px, 260px) minmax(340px, 1fr);
  }

  .details-panel {
    grid-column: 1 / -1;
    position: static;
    max-height: none;
  }
}

@media (max-width: 820px) {
  .topbar,
  .page-heading,
  .panel-heading,
  .results-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .topnav {
    justify-content: stretch;
  }

  .nav-button {
    flex: 1 1 120px;
  }

  .search-band,
    .workspace,
    .session-layout,
    .session-fields,
    .offline-grid,
    .sources-layout,
    .admin-layout,
    .form-grid {
    grid-template-columns: 1fr;
  }

  .filters-panel,
  .details-panel,
  .source-filter-panel,
  .admin-picker {
    position: static;
    max-height: none;
  }

  .stats-strip,
  .session-summary {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }
}

@media (max-width: 520px) {
  main {
    padding-inline: 10px;
  }

  .stats-strip,
  .session-summary {
    grid-template-columns: 1fr;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

}

@media print {
  body {
    background: white;
  }

  .topbar,
  .filters-panel,
  .results-panel,
  .toast,
  .page-heading .button-row,
  .admin-view,
  .offline-view {
    display: none !important;
  }

  main {
    padding: 0;
  }

  .view,
  .active-view {
    display: block;
  }

  .workspace,
  .session-layout {
    display: block;
  }

  .details-panel,
  .session-plan,
  .help-panel {
    border: 0;
    box-shadow: none;
  }

  .game-detail,
  .session-plan {
    padding: 0;
  }
}