#systemblock-overlay {
  position: fixed;
  inset: 0;
  z-index: 3200;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(6, 10, 18, 0.72);
  backdrop-filter: blur(10px);
}

.systemblock {
  width: min(1180px, calc(100vw - 28px));
  height: min(840px, calc(100vh - 28px));
  display: grid;
  grid-template-rows: 68px minmax(0, 1fr);
  overflow: hidden;
  color: #eef4ff;
  background: #111820;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.48);
  --sys-accent: #8aa4ff;
  --sys-accent-strong: #6d84e8;
  --sys-accent-soft: rgba(138, 164, 255, 0.14);
  --sys-accent-border: rgba(138, 164, 255, 0.36);
  --sys-green: #70cf8b;
  --sys-green-soft: rgba(112, 207, 139, 0.14);
  --sys-green-border: rgba(112, 207, 139, 0.28);
  --sys-danger: #ff7d88;
}

.systemblock-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 14px;
  background: linear-gradient(90deg, #121824, #182033 54%, #121a2c);
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.systemblock-brand {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.systemblock-brand > i {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: #06121f;
  background: linear-gradient(135deg, #aab8ff, #7d8ee8);
  border-radius: 8px;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.18);
}

.systemblock-brand h2,
.systemblock-brand p {
  margin: 0;
}

.systemblock-brand h2 {
  font-size: 19px;
  line-height: 1.1;
}

.systemblock-brand p {
  color: #a7b4c6;
  font-size: 12px;
}

.systemblock-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.systemblock-save,
.systemblock-close,
.sys-icon-btn,
.sys-btn {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #eef4ff;
  background: #223140;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
}

.systemblock-save {
  min-width: 128px;
  padding: 0 14px;
  color: #06121f;
  background: linear-gradient(135deg, #aab8ff, #7d8ee8);
  border-color: transparent;
}

.systemblock-close,
.sys-icon-btn {
  width: 36px;
  padding: 0;
}

.systemblock main {
  min-height: 0;
  overflow: auto;
  padding: 14px;
  background: #0f151d;
}

.systemblock-section {
  display: grid;
  gap: 12px;
}

.systemblock-section + .systemblock-section {
  margin-top: 14px;
}

.systemblock-section select,
.systemblock-section input,
.systemblock-section textarea {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  color: #fff;
  background: #101820;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  outline: 0;
  padding: 9px 10px;
  font-size: 13px;
}

.systemblock-section select:focus,
.systemblock-section input:focus,
.systemblock-section textarea:focus {
  border-color: var(--sys-accent-border);
  box-shadow: 0 0 0 2px rgba(138, 164, 255, 0.12);
}

.systemblock-section textarea {
  min-height: 74px;
  resize: vertical;
}

.sys-info-section {
  display: grid;
  gap: 12px;
  padding: 12px;
  background: #141d27;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
}

.sys-description-field textarea {
  min-height: 58px;
}

.sys-section-heading,
.sys-subsection-heading,
.sys-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.sys-section-heading h3 {
  margin: 0;
  color: #dce7f5;
  font-size: 13px;
}

.sys-section-heading span,
.sys-subsection-heading span,
.sys-card-header span {
  display: block;
  color: #7f90a5;
  font-size: 12px;
}

.sys-form-field {
  min-width: 0;
  display: grid;
  gap: 6px;
}

.sys-form-field > span,
.sys-field-label {
  color: #aeb9ca;
  font-size: 12px;
  font-weight: 700;
}

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

.sys-game-data-section {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 14px;
}

.sys-game-data-column {
  min-width: 0;
  display: grid;
  gap: 10px;
  padding: 12px;
  background: #141d27;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
}

.sys-definition-card {
  display: grid;
  gap: 10px;
}

.sys-definition-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.sys-definition-card .game-definition-key[readonly] {
  color: #8ca0b8;
  cursor: default;
}

.sys-rules-shell {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
}

.sys-rules-menu,
.sys-rule-detail {
  min-width: 0;
  display: grid;
  gap: 12px;
}

.sys-rules-menu {
  position: sticky;
  top: 0;
  padding: 10px;
  background: #141d27;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
}

.sys-rules-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.sys-rules-menu-head strong {
  color: #f4f7fb;
  font-size: 13px;
}

.sys-rules-nav {
  display: grid;
  gap: 7px;
}

.sys-rules-nav-item {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  gap: 7px;
}

.ruleset-tab {
  min-width: 0;
  display: grid;
  gap: 4px;
  text-align: left;
  color: #dfe8f8;
  background: #101820;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 8px;
  padding: 10px;
  cursor: pointer;
}

.ruleset-tab strong,
.ruleset-tab span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ruleset-tab strong {
  font-size: 13px;
}

.ruleset-tab span {
  color: #8191a7;
  font-size: 12px;
}

.sys-rules-nav-item.is-active .ruleset-tab {
  color: #ffffff;
  background: linear-gradient(135deg, rgba(138, 164, 255, 0.24), rgba(112, 207, 139, 0.1));
  border-color: var(--sys-accent-border);
  box-shadow: inset 3px 0 0 var(--sys-accent);
}

.sys-rule-detail {
  padding: 12px;
  background: #141d27;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
}

.sys-rule-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  align-items: start;
}

.sys-ruleset-card {
  display: grid;
  gap: 12px;
  padding: 12px;
  background: #141d27;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
}

.sys-ruleset-card > .sys-card-header,
.sys-ruleset-card > .sys-form-field {
  min-width: 0;
}

.sys-rule-block {
  min-width: 0;
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 10px;
  background: #101722;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
}

.sys-card {
  min-width: 0;
  display: grid;
  gap: 10px;
  padding: 10px;
  background: #18222d;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
}

.sys-card-header {
  margin: 0;
}

.sys-card-header strong,
.sys-subsection-heading strong {
  display: block;
  color: #f4f7fb;
  font-size: 13px;
}

.sys-pill {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  margin: 0 0 5px;
  padding: 0 8px;
  color: #c6d2ff;
  background: var(--sys-accent-soft);
  border: 1px solid rgba(138, 164, 255, 0.22);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

.sys-pill.effect {
  color: #a9efbd;
  background: var(--sys-green-soft);
  border-color: var(--sys-green-border);
}

.effect-blocks {
  display: grid;
  gap: 8px;
}

.sys-pick-row {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 7px;
  align-items: end;
}

.sys-pick-main {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.sys-pick-row input[readonly] {
  cursor: default;
  color: #d9f8ff;
  background: rgba(20, 40, 48, 0.72);
  border-color: rgba(95, 210, 255, 0.32);
}

.sys-pick-row.is-empty input[readonly] {
  color: #8e9caf;
  background: rgba(255, 255, 255, 0.045);
  border-color: rgba(255, 255, 255, 0.08);
}

.sys-selection-summary {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 8px;
  color: #dce8f8;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 8px;
}

.sys-selection-summary.is-filled {
  color: #dff8eb;
  background: rgba(112, 207, 139, 0.1);
  border-color: rgba(112, 207, 139, 0.22);
}

.sys-selection-summary strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
}

.sys-selection-actions {
  display: flex;
  align-items: center;
  gap: 7px;
}

.sys-selection-edit {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #06121f;
  background: linear-gradient(135deg, #aab8ff, #7d8ee8);
  border: 0;
  border-radius: 8px;
  padding: 0 11px;
  cursor: pointer;
  font-weight: 800;
  font-size: 12px;
  white-space: nowrap;
}

.sys-empty-state {
  color: #9dacbf;
  font-size: 12px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 11px;
}

.sys-btn {
  width: fit-content;
  min-height: 36px;
  padding: 0 12px;
  font-size: 13px;
}

.sys-btn.compact {
  min-height: 32px;
  padding: 0 10px;
}

.sys-btn.secondary {
  color: #edf2ff;
  background: rgba(255, 255, 255, 0.07);
}

.sys-icon-btn.danger {
  color: #ffd7dc;
  background: rgba(230, 57, 70, 0.12);
}

.systemblock-save:hover,
.systemblock-close:hover,
.sys-icon-btn:hover,
.sys-btn:hover,
.sys-selection-edit:hover {
  filter: brightness(1.12);
}

.systemblock-selection-bar {
  position: fixed;
  left: 50%;
  bottom: 22px;
  z-index: 4200;
  display: none;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  color: #fff;
  background: rgba(18, 22, 28, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.38);
  transform: translateX(-50%);
  backdrop-filter: blur(10px);
}

.systemblock-selection-bar strong {
  font-size: 13px;
  white-space: nowrap;
}

.systemblock-selection-actions {
  display: flex;
  gap: 8px;
}

.systemblock-selection-actions button {
  min-height: 34px;
  padding: 0 11px;
  color: #fff;
  background: rgba(138, 164, 255, 0.22);
  border: 1px solid rgba(138, 164, 255, 0.28);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 800;
}

.systemblock-selection-actions button:first-child {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

@media (max-width: 860px) {
  .systemblock {
    width: 100vw;
    height: 100vh;
    grid-template-rows: auto minmax(0, 1fr);
    border-radius: 0;
  }

  .systemblock-top {
    align-items: flex-start;
    flex-direction: column;
  }

  .systemblock-actions {
    width: 100%;
  }

  .systemblock-save {
    flex: 1;
  }

  .sys-info-section,
  .sys-game-data-section,
  .sys-rules-shell,
  .sys-rule-columns {
    grid-template-columns: 1fr;
  }

  .sys-rules-menu {
    position: static;
  }

  .sys-rules-nav {
    display: flex;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .sys-rules-nav-item {
    min-width: 210px;
  }
}

@media (max-width: 560px) {
  .systemblock main {
    padding: 12px;
  }

  .sys-pick-row {
    grid-template-columns: 1fr;
  }

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

  .sys-selection-summary {
    grid-template-columns: 1fr;
  }

  .sys-selection-actions,
  .sys-selection-edit {
    width: 100%;
  }

  .systemblock-selection-bar {
    left: 12px;
    right: 12px;
    bottom: 14px;
    transform: none;
    justify-content: space-between;
  }
}