/* ===========================
   TOC — SUDOLAB Neon Tabs
   Horizontal section pills
=========================== */

:root {
  --tocMaxWidth: 1160px;

  --toc-blue: var(--accent-2, #4df3ff);     /* cyan */
  --toc-pink: var(--accent, #ff4fd8);       /* magenta */
  --toc-ink: var(--text-main, #f7f7ff);
  --toc-muted: var(--text-muted, #a5b1ff);

  --toc-pill-bg: rgba(5, 8, 24, 0.92);
  --toc-pill-brd: rgba(144, 169, 255, 0.55);
}

/* ===== Обёртка ===== */
.toc {
  background: transparent;
}

.toc.wrapper {
  width: min(var(--tocMaxWidth), 92vw);
  margin-inline: auto;
  padding-left: 0 !important;
  padding-right: 0 !important;
  margin-top: 10px;
}

.toc .swiper {
  padding: 0 16px 16px !important;
  padding-top: 0 !important;
}

.toc .swiper-wrapper {
  padding-top: 14px;
  padding-bottom: 18px;
  justify-content: flex-start;
}

.toc .swiper-slide {
  width: fit-content;
}

/* ===== Заголовок ===== */

/* =======================
   Square Neon Pills
======================= */

.toc a {
  --bg: var(--toc-pill-bg);
  --brd: var(--toc-pill-brd);
  --clr: var(--toc-ink);

  display: inline-flex;
  align-items: center;
  justify-content: center;

  text-decoration: none;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  line-height: 1;

  color: var(--clr);
  border: 1px solid var(--brd);

  /* квадратные кнопки как hero */
  padding: 10px 22px;
  height: 42px;
  border-radius: 12px;

  background:
    radial-gradient(140% 140% at 0% 0%, rgba(77, 243, 255, 0.18), transparent 60%),
    radial-gradient(140% 140% at 100% 0%, rgba(255, 79, 216, 0.14), transparent 60%),
    var(--bg);

  backdrop-filter: blur(10px) saturate(140%);

  transition:
    color .18s ease,
    background .18s ease,
    border-color .18s ease,
    transform .12s ease,
    opacity .18s ease;
}

/* Hover — мягкий неон без жирных теней */
.toc a:hover,
.toc a:focus {
  --bg: rgba(8, 12, 34, 0.98);
  --brd: rgba(77, 243, 255, 0.9);

  background:
    radial-gradient(150% 150% at 0% 0%, rgba(77, 243, 255, .35), transparent 65%),
    radial-gradient(150% 150% at 100% 0%, rgba(255, 79, 216, .3), transparent 65%),
    var(--bg);

  color: var(--toc-ink);
  transform: translateY(-2px);
}

/* Active press */
.toc a:active {
  transform: translateY(0);
}

/* Active item — как выбранный таб */
.toc a.is-active {
  --bg: linear-gradient(120deg, var(--toc-blue), var(--toc-pink));
  --brd: transparent;
  --clr: #050814;

  background: var(--bg);
  color: var(--clr);
  transform: translateY(-2px);
}

/* Cyan-only active вариант */
.toc a.is-active--cyan {
  --bg: var(--toc-blue);
  --brd: var(--toc-blue);
  --clr: #050814;
  background: var(--bg);
  color: var(--clr);
}

/* ========== Scrollbar ========== */

.toc-swiper {
  max-width: var(--tocMaxWidth);
  margin-inline: auto;
}

.toc-swiper .swiper-scrollbar {
  background: rgba(15, 23, 42, 0.7);
  height: 3px;
  border-radius: 999px;
}

.toc-swiper .swiper-scrollbar-drag {
  background: linear-gradient(90deg, var(--toc-blue), var(--toc-pink));
  border-radius: 999px;
}

.swiper-horizontal > .swiper-scrollbar,
.swiper-scrollbar.swiper-scrollbar-horizontal {
  left: 0 !important;
  right: 0 !important;
  width: 100% !important;
}

/* ========== Mobile ========== */
@media (max-width: 750px) {
  .toc.wrapper {
    width: min(100vw, 92vw);
  }

  .swiper-horizontal > .swiper-scrollbar,
  .swiper-scrollbar.swiper-scrollbar-horizontal {
    width: 92% !important;
    margin: 0 auto;
  }

  .toc .swiper-wrapper {
    padding-top: 12px;
    padding-bottom: 16px;
  }

  .toc a {
    font-size: 10.5px;
    padding: 9px 18px;
    height: 38px;
    border-radius: 10px;
  }
}