/* Server Rules: a focused, readable community handbook. */

.rules-page {
  --rules-blue: #6ab7ff;
  --rules-blue-bright: #8ac9ff;
  --rules-text: #f1f6fd;
  --rules-muted: #a8b8cc;
  --rules-dim: #8296af;
  --rules-line: rgba(142, 177, 213, 0.18);
  --rules-panel: rgba(4, 15, 29, 0.84);
  --severity-low: #8bbce9;
  --severity-medium: #e4bd64;
  --severity-high: #ef8585;
  width: min(1260px, 100%);
  min-height: calc(100vh - 200px);
  margin: 0 auto;
  padding: 34px 18px 72px;
  color: var(--rules-text);
}

.rules-shell {
  display: grid;
  gap: 24px;
}

.rules-intro {
  padding: 12px 0 25px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 28px;
  border-bottom: 1px solid var(--rules-line);
}

.rules-intro-copy,
.rules-intro-aside {
  min-width: 0;
}

.rules-eyebrow,
.section-kicker {
  color: var(--rules-blue);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.rules-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 11px;
}

.rules-hero-copy > p,
.rules-intro-copy > p {
  max-width: 720px;
  margin: 13px 0 0;
  color: #c0cee0;
  font-size: 1rem;
  line-height: 1.7;
}

.rules-intro h1 {
  margin: 0;
  color: #f5f8fd;
  font-size: clamp(2.3rem, 4.4vw, 3.6rem);
  font-weight: 850;
  letter-spacing: -0.04em;
  line-height: 1.06;
}

.rules-intro-aside {
  display: grid;
  justify-items: end;
  gap: 14px;
}

.rules-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 16px;
  color: var(--rules-muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.rules-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.rules-meta i {
  color: var(--rules-blue);
}

.rules-button {
  min-height: 42px;
  padding: 9px 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid rgba(113, 184, 245, 0.36);
  border-radius: 8px;
  background: rgba(38, 123, 198, 0.19);
  color: #eaf5ff;
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.rules-button:hover {
  border-color: rgba(138, 201, 255, 0.64);
  background: rgba(38, 123, 198, 0.32);
  color: #fff;
}

.rules-principles {
  padding: 16px;
  border: 1px solid rgba(142, 177, 213, 0.15);
  border-radius: 10px;
  background: rgba(3, 13, 26, 0.82);
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.principle-item {
  min-width: 0;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: start;
  gap: 10px;
}

.principle-icon {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(106, 183, 255, 0.22);
  border-radius: 9px;
  background: rgba(46, 124, 196, 0.13);
  color: var(--rules-blue-bright);
  font-size: 0.9rem;
}

.principle-item h3 {
  margin: 1px 0 0;
  color: #e8f1fc;
  font-size: 0.82rem;
  font-weight: 800;
}

.principle-item p {
  margin: 4px 0 0;
  color: var(--rules-muted);
  font-size: 0.76rem;
  line-height: 1.55;
}

.enforcement-guide {
  border: 1px solid rgba(228, 189, 100, 0.19);
  border-radius: 10px;
  background: rgba(19, 22, 27, 0.72);
}

.enforcement-guide summary {
  min-height: 60px;
  padding: 11px 15px;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 11px;
  cursor: pointer;
  list-style: none;
}

.enforcement-guide summary::-webkit-details-marker {
  display: none;
}

.enforcement-summary-icon {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(228, 189, 100, 0.1);
  color: var(--severity-medium);
}

.enforcement-summary-copy strong,
.enforcement-summary-copy small {
  display: block;
}

.enforcement-summary-copy strong {
  color: #f0e7d2;
  font-size: 0.84rem;
}

.enforcement-summary-copy small {
  margin-top: 3px;
  color: #b6ae9d;
  font-size: 0.76rem;
  line-height: 1.4;
}

.enforcement-chevron {
  color: #b9a56e;
  transition: transform 0.18s ease;
}

.enforcement-guide[open] .enforcement-chevron {
  transform: rotate(180deg);
}

.enforcement-detail {
  padding: 0 15px 16px 60px;
}

.enforcement-detail > p {
  max-width: 880px;
  margin: 0 0 13px;
  color: #c2b9a6;
  font-size: 0.84rem;
  line-height: 1.6;
}

.severity-guide-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
}

.severity-guide-item {
  --severity: var(--severity-low);
  min-width: 0;
  padding: 11px;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 9px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.025);
}

.severity-guide-item.severity-medium {
  --severity: var(--severity-medium);
}

.severity-guide-item.severity-high {
  --severity: var(--severity-high);
}

.severity-marker {
  width: 27px;
  height: 27px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in srgb, var(--severity) 30%, transparent);
  border-radius: 7px;
  background: color-mix(in srgb, var(--severity) 9%, transparent);
  color: var(--severity);
  font-size: 0.75rem;
}

.severity-guide-item strong {
  color: #e3eaf3;
  font-size: 0.74rem;
}

.severity-guide-item p {
  margin: 4px 0 0;
  color: #9eacbd;
  font-size: 0.71rem;
  line-height: 1.5;
}

.rules-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  align-items: start;
  gap: 28px;
  scroll-margin-top: 112px;
}

.rules-sidebar {
  position: sticky;
  top: 108px;
  min-width: 0;
}

.rules-index-panel {
  padding: 15px 11px;
  border: 1px solid rgba(142, 177, 213, 0.13);
  border-radius: 10px;
  background: rgba(3, 13, 26, 0.88);
}

.rules-index-panel h2 {
  margin: 0 9px 10px;
  color: #dbe8f7;
  font-size: 0.82rem;
  font-weight: 800;
}

.rules-index {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  list-style: none;
}

.rules-index li[hidden] {
  display: none;
}

.rules-index a {
  min-width: 0;
  min-height: 39px;
  padding: 6px 8px;
  display: grid;
  grid-template-columns: 22px 25px minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: 7px;
  color: #a2b4cb;
  text-decoration: none;
  transition: background 0.16s ease, color 0.16s ease;
}

.rules-index a:hover,
.rules-index a.active {
  background: rgba(63, 137, 205, 0.14);
  color: #edf6ff;
}

.rules-index a.active {
  box-shadow: inset 2px 0 0 var(--rules-blue);
}

.index-number {
  color: #6f88a5;
  font-size: 0.61rem;
  font-weight: 800;
}

.rules-index a.active .index-number {
  color: var(--rules-blue-bright);
}

.index-icon {
  color: #86bceb;
  font-size: 0.8rem;
  text-align: center;
}

.index-label {
  min-width: 0;
  font-size: 0.76rem;
  font-weight: 700;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.index-count {
  min-width: 20px;
  color: #8095ae;
  font-size: 0.63rem;
  text-align: right;
}

.rules-content {
  min-width: 0;
  display: grid;
  gap: 14px;
}

.rules-mobile-index {
  display: none;
}

.rules-controls {
  padding: 13px;
  display: grid;
  grid-template-columns: minmax(230px, 1fr) auto;
  align-items: center;
  gap: 10px 14px;
  border: 1px solid rgba(142, 177, 213, 0.15);
  border-radius: 10px;
  background: var(--rules-panel);
}

.rules-search-wrap {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.rules-search {
  min-width: 0;
  min-height: 42px;
  padding: 0 11px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(142, 177, 213, 0.16);
  border-radius: 7px;
  background: rgba(0, 0, 0, 0.18);
  color: #87bff0;
}

.rules-search input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--rules-text);
  font-size: 0.84rem;
}

.rules-search input::placeholder {
  color: #879ab1;
}

.rules-search kbd {
  padding: 2px 6px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  color: #96a5b8;
  font-size: 0.65rem;
  box-shadow: none;
}

.rules-clear {
  padding: 0 11px;
  border: 1px solid rgba(142, 177, 213, 0.18);
  border-radius: 7px;
  background: rgba(63, 137, 205, 0.1);
  color: #add5fa;
  font-size: 0.72rem;
  font-weight: 750;
  cursor: pointer;
}

.severity-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
}

.severity-filters button {
  --severity: #94c0ea;
  min-height: 34px;
  padding: 6px 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: #a4b4c8;
  font-size: 0.7rem;
  font-weight: 750;
  white-space: nowrap;
  cursor: pointer;
}

.severity-filters button[data-severity-filter="medium"] {
  --severity: var(--severity-medium);
}

.severity-filters button[data-severity-filter="high"] {
  --severity: var(--severity-high);
}

.severity-filters button:hover,
.severity-filters button.active {
  border-color: rgba(125, 175, 255, 0.17);
  background: rgba(74, 163, 255, 0.09);
  color: #eff6ff;
}

.severity-filters button > i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--severity);
}

.severity-filters button > span {
  min-width: 18px;
  color: #8da2bb;
  font-size: 0.64rem;
  text-align: center;
}

.rules-results-meta {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--rules-dim);
  font-size: 0.7rem;
}

.rules-sections {
  min-width: 0;
  padding: 0 22px;
  border: 1px solid rgba(142, 177, 213, 0.16);
  border-radius: 11px;
  background: rgba(3, 13, 26, 0.93);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
}

.rules-sections[hidden] {
  display: none !important;
}

.rules-section {
  padding: 23px 0 19px;
  border-bottom: 1px solid var(--rules-line);
  scroll-margin-top: 108px;
}

.rules-section:first-child {
  border-top: 0;
}

.rules-section:last-child {
  border-bottom: 0;
}

.rules-section[hidden],
.rule-row[hidden],
.rules-empty[hidden] {
  display: none !important;
}

.rule-section-header {
  padding: 0 0 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.section-identity {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 11px;
}

.section-icon {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(106, 183, 255, 0.2);
  border-radius: 9px;
  background: rgba(46, 124, 196, 0.11);
  color: var(--rules-blue-bright);
  font-size: 0.95rem;
}

.section-kicker {
  font-size: 0.61rem;
}

.section-identity h2 {
  margin: 2px 0 0;
  color: #f0f5fc;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.section-meta {
  flex: 0 0 auto;
  color: #93a7bf;
  font-size: 0.72rem;
  font-weight: 700;
}

.section-meta > span {
  color: #d6e5f6;
}

.rule-list {
  border-top: 1px solid rgba(142, 177, 213, 0.11);
}

.rule-row {
  min-width: 0;
  padding: 14px 2px;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 11px;
  border-bottom: 1px solid rgba(142, 177, 213, 0.1);
}

.rule-row:last-child {
  border-bottom: 0;
}

.rule-reference {
  padding-top: 3px;
  color: #8097b2;
  font-size: 0.68rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.rule-copy {
  min-width: 0;
  max-width: 850px;
}

.rule-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.rule-heading h3 {
  margin: 0;
  color: #eaf2fc;
  font-size: 0.97rem;
  font-weight: 780;
  line-height: 1.45;
}

.rule-severity {
  --severity: var(--severity-low);
  flex: 0 0 auto;
  padding: 3px 7px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px solid color-mix(in srgb, var(--severity) 27%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--severity) 7%, transparent);
  color: var(--severity);
  font-size: 0.62rem;
  font-weight: 800;
  line-height: 1.3;
  white-space: nowrap;
}

.rule-severity.severity-medium {
  --severity: var(--severity-medium);
}

.rule-severity.severity-high {
  --severity: var(--severity-high);
}

.rule-severity i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.rule-copy p {
  margin: 5px 0 0;
  color: #afbed0;
  font-size: 0.88rem;
  line-height: 1.68;
}

.rules-empty {
  min-height: 230px;
  padding: 36px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px dashed rgba(142, 177, 213, 0.2);
  border-radius: 10px;
  background: rgba(4, 15, 29, 0.42);
  text-align: center;
}

.rules-empty > span {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(46, 124, 196, 0.12);
  color: var(--rules-blue-bright);
  font-size: 1rem;
}

.rules-empty h2 {
  margin: 12px 0 0;
  color: #eaf2fc;
  font-size: 1rem;
}

.rules-empty p {
  margin: 5px 0 0;
  color: var(--rules-muted);
  font-size: 0.82rem;
}

.rules-empty button {
  margin-top: 13px;
  padding: 8px 12px;
  border: 1px solid rgba(106, 183, 255, 0.25);
  border-radius: 7px;
  background: rgba(46, 124, 196, 0.12);
  color: #b8dcfb;
  font-size: 0.76rem;
  font-weight: 750;
  cursor: pointer;
}

.rules-page :is(a, button, input, select, summary):focus-visible {
  outline: 2px solid var(--rules-blue-bright);
  outline-offset: 3px;
}

@media (max-width: 1120px) {
  .principles-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 14px;
  }

  .rules-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 20px;
  }

  .rules-controls {
    grid-template-columns: minmax(0, 1fr);
  }

  .severity-filters {
    justify-content: flex-start;
  }
}

@media (max-width: 820px) {
  .rules-page {
    padding: 24px 15px 52px;
  }

  .rules-shell {
    gap: 19px;
  }

  .rules-intro {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 16px;
  }

  .rules-intro-aside {
    justify-items: start;
  }

  .rules-meta {
    justify-content: flex-start;
  }

  .rules-layout {
    grid-template-columns: 1fr;
  }

  .rules-sections {
    padding: 0 17px;
  }

  .rules-sidebar {
    display: none;
  }

  .rules-mobile-index {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 10px;
  }

  .rules-mobile-index label {
    color: #d6e5f5;
    font-size: 0.78rem;
    font-weight: 750;
  }

  .rules-mobile-index select {
    width: 100%;
    min-height: 40px;
    padding: 7px 10px;
    border: 1px solid rgba(142, 177, 213, 0.2);
    border-radius: 7px;
    background: #08182a;
    color: var(--rules-text);
    font-size: 0.82rem;
  }
}

@media (max-width: 600px) {
  .rules-page {
    padding: 18px 12px 42px;
  }

  .rules-intro {
    padding-bottom: 19px;
  }

  .rules-intro h1 {
    font-size: clamp(2.1rem, 10vw, 2.8rem);
  }

  .rules-intro-copy > p {
    font-size: 0.92rem;
  }

  .rules-meta {
    gap: 7px 12px;
    font-size: 0.71rem;
  }

  .principles-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .principle-item p {
    font-size: 0.79rem;
  }

  .enforcement-guide summary {
    grid-template-columns: 32px minmax(0, 1fr) auto;
    padding: 10px;
    gap: 9px;
  }

  .enforcement-summary-copy small {
    font-size: 0.71rem;
  }

  .enforcement-detail {
    padding: 0 10px 12px;
  }

  .severity-guide-list {
    grid-template-columns: 1fr;
  }

  .rules-mobile-index {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .rules-controls {
    padding: 10px;
  }

  .rules-sections {
    padding: 0 12px;
  }

  .rules-search-wrap {
    grid-template-columns: 1fr;
  }

  .rules-clear {
    min-height: 36px;
  }

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

  .severity-filters button {
    justify-content: flex-start;
  }

  .rules-results-meta {
    grid-column: auto;
  }

  .rule-section-header {
    align-items: flex-start;
  }

  .section-identity {
    align-items: flex-start;
  }

  .section-identity h2 {
    font-size: 1rem;
  }

  .section-meta {
    padding-top: 13px;
    font-size: 0.67rem;
  }

  .rule-row {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 8px;
    padding: 13px 0;
  }

  .rule-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .rule-heading h3 {
    font-size: 0.92rem;
  }

  .rule-copy p {
    font-size: 0.85rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rules-page *,
  .rules-page *::before,
  .rules-page *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}