/* ============================================================
   Regulamin page styles — scoped to #regulamin-main
   ============================================================ */

#regulamin-main {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad-mobile);
  padding-block: var(--space-2xl) var(--space-4xl);
  color: var(--color-text-primary);
}

.regulamin-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: start;
}

/* ---------- Table of contents ---------- */
.regulamin-toc {
  position: relative;
  z-index: 10;
  background-color: var(--color-glass-fill);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: var(--surface-border);
  clip-path: var(--clip-corner-md);
  padding: var(--space-md);
}

.regulamin-toc-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 44px;
  padding: var(--space-sm) var(--space-md);
  background-color: transparent;
  border: 1px solid var(--color-border-subtle);
  clip-path: var(--clip-corner-sm);
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  font-size: var(--text-mono-label-size);
  letter-spacing: var(--tracking-mono-label);
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.regulamin-toc-toggle:hover {
  border-color: var(--color-cyan-glow);
  box-shadow: var(--shadow-cyan-glow);
}

.regulamin-toc-toggle:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.regulamin-toc-toggle-label {
  color: var(--color-cyan-glow);
}

.regulamin-toc-toggle-icon {
  color: var(--color-cyan-glow);
  font-size: 1.25rem;
  line-height: 1;
  transition: transform var(--transition-medium);
}

.regulamin-toc-toggle[aria-expanded="true"] .regulamin-toc-toggle-icon {
  transform: rotate(45deg);
}

.regulamin-toc-list {
  display: none;
  flex-direction: column;
  gap: var(--space-xs);
  margin-block-start: var(--space-md);
}

.regulamin-toc-list.is-open {
  display: flex;
}

.regulamin-toc-link {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: var(--text-mono-label-size);
  letter-spacing: var(--tracking-mono-label);
  text-transform: uppercase;
  text-decoration: none;
  border-inline-start: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.regulamin-toc-link:hover {
  color: var(--color-cyan-glow);
  border-inline-start-color: var(--color-cyan-glow);
  background-color: rgba(0, 229, 255, 0.05);
}

.regulamin-toc-link:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

/* ---------- Content area ---------- */
.regulamin-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  min-width: 0;
}

/* ---------- Section panels ---------- */
.regulamin-section {
  min-width: 0;
}

.regulamin-panel {
  background-color: var(--color-glass-fill);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: var(--surface-border);
  clip-path: var(--clip-corner-md);
  padding: var(--space-lg);
}

.regulamin-header-panel {
  background-color: var(--color-glass-fill);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-cyan-glow);
  box-shadow: var(--shadow-cyan-glow);
  clip-path: var(--clip-corner-md);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.regulamin-header-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(0, 229, 255, 0.05) 0px,
    rgba(0, 229, 255, 0.05) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  z-index: 0;
}

.regulamin-header-panel-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: flex-start;
}

.regulamin-section-label {
  margin-block-end: var(--space-xs);
}

.regulamin-h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: var(--leading-h1);
  letter-spacing: var(--tracking-h1);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  text-shadow: var(--shadow-heading-glow);
  margin-block-end: var(--space-md);
}

.regulamin-h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  line-height: var(--leading-h2);
  letter-spacing: var(--tracking-h2);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-block-end: var(--space-md);
}

.regulamin-header-intro {
  max-width: 65ch;
  font-size: var(--text-body-large-size);
  line-height: var(--leading-body-large);
  color: var(--color-text-primary);
  margin-block-end: 0;
}

.regulamin-header-meta {
  color: var(--color-cyan-glow);
  margin-block-end: 0;
}

.regulamin-header-details {
  max-width: 65ch;
  color: var(--color-text-secondary);
  font-size: var(--text-body-small-size);
  line-height: var(--leading-body-small);
  margin-block-end: 0;
}

.regulamin-lead {
  max-width: 70ch;
  color: var(--color-text-primary);
  margin-block-end: var(--space-md);
}

.regulamin-body-copy {
  max-width: 70ch;
  color: var(--color-text-primary);
  margin-block-end: var(--space-md);
}

/* ---------- Definition list ---------- */
.regulamin-definition-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-block-start: var(--space-md);
}

.regulamin-definition-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xs);
  padding-block-end: var(--space-sm);
  border-block-end: 1px solid var(--color-border-subtle);
  min-width: 0;
}

.regulamin-definition-item:last-child {
  border-block-end: none;
  padding-block-end: 0;
}

.regulamin-definition-term {
  font-family: var(--font-heading);
  font-size: var(--text-h4-size);
  line-height: var(--leading-h4);
  font-weight: var(--weight-semibold);
  color: var(--color-cyan-glow);
  min-width: 0;
}

.regulamin-definition-desc {
  max-width: 55ch;
  color: var(--color-text-primary);
  min-width: 0;
}

/* ---------- Callout ---------- */
.regulamin-callout {
  border: 1px solid var(--color-pink-neon);
  box-shadow: var(--shadow-pink-glow);
  clip-path: var(--clip-corner-sm);
  padding: var(--space-md);
  margin-block: var(--space-md);
  background-color: rgba(255, 46, 136, 0.05);
}

.regulamin-callout-text {
  max-width: 60ch;
  font-family: var(--font-heading);
  font-size: var(--text-h4-size);
  line-height: var(--leading-h4);
  font-weight: var(--weight-semibold);
  color: var(--color-pink-neon);
  margin-block-end: 0;
}

/* ---------- Lists ---------- */
.regulamin-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  list-style: none;
  padding-inline-start: 0;
  margin-block-start: var(--space-md);
}

.regulamin-list li {
  position: relative;
  padding-inline-start: var(--space-lg);
  max-width: 65ch;
  color: var(--color-text-primary);
  line-height: var(--leading-body);
}

.regulamin-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--color-cyan-glow);
  font-family: var(--font-mono);
}

/* ---------- Numbered list ---------- */
.regulamin-numbered-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  list-style: none;
  counter-reset: regulamin-step;
  padding-inline-start: 0;
  margin-block-start: var(--space-md);
}

.regulamin-numbered-list li {
  counter-increment: regulamin-step;
  position: relative;
  padding-inline-start: var(--space-xl);
  max-width: 65ch;
  color: var(--color-text-primary);
  line-height: var(--leading-body);
}

.regulamin-numbered-list li::before {
  content: counter(regulamin-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: var(--text-mono-label-size);
  letter-spacing: var(--tracking-mono-label);
  color: var(--color-cyan-glow);
  border: 1px solid var(--color-cyan-glow);
  border-radius: var(--radius-input);
  padding: var(--space-2xs) var(--space-xs);
  line-height: 1;
}

/* ---------- Payment box ---------- */
.regulamin-payment-box {
  border: 1px solid var(--color-border-subtle);
  clip-path: var(--clip-corner-sm);
  padding: var(--space-md);
  margin-block-start: var(--space-md);
  background-color: rgba(10, 10, 15, 0.4);
}

.regulamin-payment-box .mono-label {
  margin-block-end: var(--space-xs);
}

.regulamin-payment-box .regulamin-body-copy {
  margin-block-end: 0;
}

/* ---------- Alert / warning panels ---------- */
.regulamin-panel-alert {
  border-inline-start: 3px solid var(--color-pink-neon);
}

.regulamin-panel-warning {
  border-inline-start: 3px solid var(--color-pink-neon);
}

.regulamin-panel-final {
  border-inline-start: 3px solid var(--color-cyan-glow);
}

.regulamin-panel-contact {
  border-inline-start: 3px solid var(--color-green-custom);
}

/* ---------- Note box ---------- */
.regulamin-note-box {
  border: 1px solid var(--color-pink-neon);
  box-shadow: var(--shadow-pink-glow);
  clip-path: var(--clip-corner-sm);
  padding: var(--space-md);
  margin-block-start: var(--space-md);
  background-color: rgba(255, 46, 136, 0.05);
}

.regulamin-note-text {
  max-width: 60ch;
  color: var(--color-pink-neon);
  font-weight: var(--weight-medium);
  margin-block-end: 0;
}

/* ---------- Contact list ---------- */
.regulamin-contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  list-style: none;
  padding-inline-start: 0;
  margin-block-start: var(--space-md);
}

.regulamin-contact-list li {
  position: relative;
  padding-inline-start: var(--space-lg);
  max-width: 60ch;
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  font-size: var(--text-mono-label-size);
  letter-spacing: var(--tracking-mono-label);
  line-height: var(--leading-mono-label);
}

.regulamin-contact-list li::before {
  content: ">";
  position: absolute;
  left: 0;
  color: var(--color-green-custom);
}

.regulamin-contact-list a {
  color: var(--color-cyan-glow);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.regulamin-contact-list a:hover {
  color: var(--color-text-primary);
}

/* ============================================================
   Responsive breakpoints
   ============================================================ */

@media (min-width: 40rem) {
  #regulamin-main {
    padding-inline: var(--container-pad-tablet);
    padding-block: var(--space-3xl) var(--space-4xl);
  }

  .regulamin-panel,
  .regulamin-header-panel {
    padding: var(--space-xl);
  }

  .regulamin-definition-item {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: var(--space-md);
    align-items: start;
  }

  .regulamin-definition-term {
    padding-block-start: var(--space-2xs);
  }
}

@media (min-width: 64rem) {
  #regulamin-main {
    padding-inline: var(--container-pad-desktop);
    padding-block: var(--space-4xl) var(--space-5xl);
  }

  .regulamin-layout {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: var(--space-2xl);
  }

  .regulamin-toc {
    position: sticky;
    top: var(--space-xl);
    max-height: calc(100vh - var(--space-2xl));
    overflow-y: auto;
  }

  .regulamin-toc-toggle {
    display: none;
  }

  .regulamin-toc-list {
    display: flex;
    margin-block-start: 0;
  }

  .regulamin-content {
    gap: var(--space-2xl);
  }

  .regulamin-panel,
  .regulamin-header-panel {
    padding: var(--space-2xl);
  }
}

@media (prefers-reduced-motion: reduce) {
  .regulamin-toc-toggle-icon {
    transition: none;
  }

  .regulamin-toc-link,
  .regulamin-toc-toggle {
    transition: none;
  }
}