/* ============================================================
   rules.css | Standalone Rules Page
   Uses existing TRT Esports tokens/components without changing them
   ============================================================ */

/* ── PAGE SAFEGUARDS ── */
/* ── NATIVE PAGE SCROLLING ── */
html {
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto !important;
  scrollbar-gutter: stable;
}

body.rules-page {
  min-height: 100%;
  position: static;
  overflow-x: hidden;
  overflow-y: visible !important;
  touch-action: pan-y;
  overscroll-behavior-y: auto;
  -webkit-overflow-scrolling: touch;
}

html.rules-scroll-locked,
html.rules-scroll-locked body.rules-page {
  overflow: hidden !important;
}

body.rules-page.rules-scroll-locked {
  position: fixed;
  left: 0;
  right: 0;
  width: 100%;
}

.rules-page {
  background: var(--clr-bg-dark);
  color: var(--clr-text-main);
}

.rules-page .loader {
  transition: opacity var(--trans-med), clip-path 0.75s var(--ease-out-expo), visibility var(--trans-med);
}

.rules-page .loader.is-hidden {
  opacity: 0;
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
  pointer-events: none;
}

.rules-page .loader-text {
  visibility: visible;
}

.rules-page .loader-text:not(:first-child) {
  opacity: 0;
}

/* Discord auth UI compatibility from the index page */
.nav-user {
  display: none;
  align-items: center;
  gap: 0.55rem;
}

.nav-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(var(--rgb-primary), 0.4);
  object-fit: cover;
}

.nav-username {
  font-family: var(--font-ui);
  font-size: clamp(0.48rem, 0.8vw, 0.58rem);
  color: var(--clr-primary);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  max-width: 90px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mobile-nav-link.active {
  color: var(--clr-text-main);
  background: rgba(var(--rgb-primary), 0.05);
  border-left: 3px solid var(--clr-primary);
  padding-left: calc(clamp(1.5rem, 5vw, 2rem) - 3px);
}

/* ── HERO ── */
.rules-hero {
  position: relative;
  min-height: clamp(520px, 72svh, 760px);
  padding: calc(var(--nav-height) + var(--space-xl)) var(--gutter) var(--space-lg);
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  background: var(--clr-bg-dark);
}

.rules-hero-bg {
  position: absolute;
  inset: -2%;
  z-index: var(--z-bg);
  background-size: cover;
  background-position: 50% center;
  filter: brightness(0.42) contrast(1.16) saturate(0.75);
  transform: scale(1.02);
}

.rules-hero-scrim {
  position: absolute;
  inset: 0;
  z-index: var(--z-base);
  
}

.rules-hero-inner {
  position: relative;
  z-index: var(--z-above);
}

.rules-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 390px);
  gap: var(--space-lg);
  align-items: end;
}

.rules-hero-copy {
  max-width: 760px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
}

.rules-hero-copy .section-title {
  max-width: 900px;
}

.rules-hero-copy .section-desc {
  max-width: 62ch;
}

.rules-hero-actions {
  margin-top: var(--space-xs);
}

.rules-hero-panel {
  position: relative;
  padding: clamp(1rem, 2.4vw, 1.6rem);
  background:
    linear-gradient(180deg, rgba(var(--rgb-primary), 0.055), rgba(var(--rgb-black), 0.45)),
    var(--gradient-scan);
  border: 1px solid rgba(var(--rgb-primary), 0.16);
  box-shadow: var(--shadow-card);
  clip-path: var(--clip-hud-card);
  backdrop-filter: var(--glass-backdrop);
}

.rules-hero-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  border-top: 1px solid rgba(var(--rgb-primary), 0.22);
  pointer-events: none;
}

.rules-panel-label {
  display: block;
  margin-bottom: 0.9rem;
  font-family: var(--font-ui);
  font-size: clamp(0.54rem, 0.9vw, 0.62rem);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--clr-primary);
}

.rules-panel-link {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 0.8rem;
  align-items: center;
  padding: 0.9rem 0;
  border-top: 1px solid rgba(var(--rgb-primary), 0.09);
  color: var(--clr-text-main);
  transition: color var(--trans-fast), transform var(--trans-fast), background var(--trans-fast);
}

.rules-panel-link span {
  font-family: var(--font-display);
  font-size: 0.74rem;
  color: var(--clr-primary);
  font-feature-settings: var(--ffs-num);
}

.rules-panel-link strong {
  font-family: var(--font-head);
  font-size: clamp(0.9rem, 1.4vw, 1.1rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rules-panel-link:hover {
  color: var(--clr-primary);
  transform: translateX(4px);
}

/* ── RULEBOOK LAYOUT ── */
.rules-section {
  padding-top: var(--space-lg);
}

.rules-layout {
  display: grid;
  grid-template-columns: minmax(220px, 290px) minmax(0, 1fr);
  gap: var(--space-lg);
  align-items: start;
}

.rules-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-sm));
  z-index: var(--z-above);
}

.rules-sidebar-card {
  padding: clamp(1rem, 2vw, 1.25rem);
  background:
    linear-gradient(180deg, rgba(var(--rgb-primary), 0.045), rgba(var(--rgb-white), 0.012)),
    var(--clr-surface-1);
  border: 1px solid rgba(var(--rgb-primary), 0.12);
  box-shadow: var(--shadow-card);
  clip-path: var(--clip-corner-tl);
}

.rules-sidebar-kicker {
  display: block;
  margin-bottom: 0.85rem;
  font-family: var(--font-ui);
  font-size: 0.58rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--clr-primary);
}

.rules-toc {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.rules-toc-link {
  display: grid;
  grid-template-columns: 32px 1fr;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem 0.6rem;
  color: var(--clr-text-muted);
  border: 1px solid transparent;
  font-family: var(--font-ui);
  font-size: clamp(0.58rem, 0.9vw, 0.66rem);
  line-height: 1.35;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: all var(--trans-fast);
}

.rules-toc-link span {
  color: var(--clr-primary);
  opacity: 0.74;
  font-feature-settings: var(--ffs-num);
}

.rules-toc-link:hover,
.rules-toc-link.is-active {
  color: var(--clr-text-main);
  background: rgba(var(--rgb-primary), 0.05);
  border-color: rgba(var(--rgb-primary), 0.18);
  box-shadow: inset 2px 0 0 var(--clr-primary);
}

.rules-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.rule-category {
  scroll-margin-top: calc(var(--nav-height) + var(--space-md));
}

.rules-category-header {
  position: relative;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid rgba(var(--rgb-primary), 0.11);
}

.rules-category-header .badge {
  margin-bottom: var(--space-xs);
}

.rules-category-header .section-title {
  margin-bottom: var(--space-xs);
}

.rules-intro-copy {
  max-width: 78ch;
  white-space: pre-wrap;
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.08vw, 1.05rem);
  line-height: 1.8;
  color: var(--clr-text-muted);
  background: transparent;
  border: 0;
  padding: 0;
  overflow: visible;
  text-wrap: pretty;
}

.rules-accordion-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}


/* ── ACCORDIONS ── */
.rules-accordion {
  position: relative;
  background:
    linear-gradient(180deg, rgba(var(--rgb-white), 0.018), rgba(var(--rgb-primary), 0.012)),
    var(--clr-surface-1);
  border: 1px solid rgba(var(--rgb-primary), 0.12);
  box-shadow: var(--shadow-card);
  clip-path: var(--clip-hud-card);
  overflow: hidden;
  transition: border-color var(--trans-fast), box-shadow var(--trans-fast), background var(--trans-fast);
}

.rules-accordion[open] {
  border-color: rgba(var(--rgb-primary), 0.28);
  box-shadow: var(--shadow-card-hover);
  background:
    linear-gradient(180deg, rgba(var(--rgb-primary), 0.045), rgba(var(--rgb-white), 0.012)),
    var(--clr-surface-1);
}

.rules-accordion-summary {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: clamp(0.65rem, 1.5vw, 1rem);
  align-items: center;
  min-height: 68px;
  padding: clamp(0.85rem, 1.6vw, 1.15rem) clamp(0.9rem, 2vw, 1.35rem);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.rules-accordion-summary::-webkit-details-marker {
  display: none;
}

.rules-accordion-index {
  font-family: var(--font-display);
  font-size: clamp(0.72rem, 1vw, 0.85rem);
  color: var(--clr-primary);
  font-feature-settings: var(--ffs-num);
}

.rules-accordion-title {
  font-family: var(--font-head);
  font-size: clamp(1rem, 1.7vw, 1.3rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--clr-text-main);
}


.rules-accordion-panel {
  padding: 0 clamp(0.9rem, 2vw, 1.35rem) clamp(1rem, 2vw, 1.35rem);
}

.rules-copy {
  width: 100%;
  max-width: 92ch;
  margin: 0;
  padding: clamp(1rem, 2vw, 1.5rem);
  background: rgba(var(--rgb-black), 0.32);
  border-top: 1px solid rgba(var(--rgb-primary), 0.09);
  border-left: 1px solid rgba(var(--rgb-primary), 0.12);
  color: var(--clr-text-muted);
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.02vw, 1rem);
  line-height: 1.72;
  overflow-wrap: break-word;
}

.rules-copy > :first-child {
  margin-top: 0;
}

.rules-copy > :last-child {
  margin-bottom: 0;
}

.rules-copy p {
  max-width: 78ch;
  margin: 0 0 0.9rem;
}

.rules-copy .rule-lead {
  margin-bottom: 0.55rem;
  color: var(--clr-text-main);
  font-weight: 600;
}

.rule-body-heading,
.rule-body-subheading {
  color: var(--clr-text-main);
  font-family: var(--font-head);
  line-height: 1.25;
  letter-spacing: 0.035em;
}

.rule-body-heading {
  margin: 1.8rem 0 0.75rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(var(--rgb-primary), 0.13);
  font-size: clamp(1.02rem, 1.5vw, 1.22rem);
}

.rule-body-subheading {
  margin: 1.25rem 0 0.55rem;
  font-size: clamp(0.92rem, 1.25vw, 1.05rem);
}

.rule-list {
  display: grid;
  gap: 0.48rem;
  margin: 0.35rem 0 1.1rem;
  padding-left: 1.25rem;
}

.rule-list li {
  max-width: 76ch;
  padding-left: 0.25rem;
}

.rule-list li::marker {
  color: var(--clr-primary);
}

/* ── SIMPLE REVEAL FALLBACK ── */
.rules-page .reveal-up {
  opacity: 1;
  transform: none;
}

/* ── RESPONSIVE ── */
@media screen and (max-width: 1180px) {
  .rules-hero-grid {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .rules-hero-panel {
    max-width: 720px;
  }

  .rules-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: var(--space-md);
  }
}

@media screen and (max-width: 900px) {
  .rules-hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--space-lg));
  }

  .rules-layout {
    display: flex;
    flex-direction: column;
  }

  .rules-sidebar {
    position: sticky;
    top: var(--nav-height);
    width: 100%;
    margin: calc(var(--space-lg) * -1) 0 var(--space-md);
    padding-top: var(--space-sm);
    background: linear-gradient(180deg, var(--clr-bg-dark), rgba(var(--rgb-black), 0.88));
  }

  .rules-sidebar-card {
    clip-path: none;
    padding: 0.85rem;
  }

  .rules-toc {
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-inline: contain;
    touch-action: pan-x pan-y;
    gap: 0.5rem;
    scrollbar-width: none;
  }

  .rules-toc::-webkit-scrollbar {
    display: none;
  }

  .rules-toc-link {
    min-width: 220px;
  }
}

@media screen and (max-width: 768px) {
  .rules-hero {
    padding-left: clamp(1.2rem, 5vw, 2rem);
    padding-right: clamp(1.2rem, 5vw, 2rem);
  }

  .rules-hero-bg {
    background-position: 72% center;
  }

  .rules-hero-scrim {
    background:
      radial-gradient(ellipse 90% 55% at 50% 10%, rgba(var(--rgb-primary), 0.12) 0%, transparent 68%),
      linear-gradient(180deg, rgba(var(--rgb-black), 0.62) 0%, rgba(var(--rgb-black), 0.93) 54%, var(--clr-bg-dark) 100%);
  }

  .rules-hero-actions {
    width: 100%;
  }

  .rules-hero-actions .btn {
    width: 100%;
  }

  .rules-hero-panel {
    clip-path: none;
  }

  .rules-panel-link {
    grid-template-columns: 34px 1fr;
  }

  .rules-accordion-summary {
    grid-template-columns: 34px minmax(0, 1fr);
    min-height: 62px;
  }

  .rules-copy {
    font-size: 0.9rem;
    line-height: 1.75;
  }
}

@media screen and (max-width: 520px) {
  .rules-hero-copy .section-title {
    font-size: clamp(2rem, 11vw, 3rem);
  }

  .rules-accordion-summary {
    padding: 0.85rem;
  }

  .rules-accordion-title {
    font-size: 0.96rem;
    letter-spacing: 0.05em;
  }

  .rules-accordion-panel {
    padding: 0 0.85rem 0.85rem;
  }

  .rules-copy {
    padding: 0.9rem;
    overflow-wrap: break-word;
  }

  .rules-toc-link {
    min-width: 190px;
    font-size: 0.56rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rules-page .loader {
    display: none;
  }

  .rules-panel-link,
  .rules-toc-link,
  .rules-accordion {
    transition: none !important;
  }
}