/* ==========================================================================
   Components
   ========================================================================== */

/* --- Навігація: плаваючий острівець -------------------------------------- */
.nav {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: var(--z-nav);
  padding-top: clamp(0.5rem, 1.4vh, 1rem);
  pointer-events: none;
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 58px;
  width: min(var(--maxw), calc(100vw - 2 * var(--gutter)));
  margin-inline: auto;
  padding-inline: 1.1rem 0.5rem;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  pointer-events: auto;
  transition:
    background-color var(--d-base) var(--e-out),
    border-color var(--d-base) var(--e-out),
    box-shadow var(--d-base) var(--e-out);
}

.nav.is-stuck .nav__inner {
  background: rgba(6, 22, 15, 0.72);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-color: var(--bd-1);
  box-shadow: var(--sh-contact), var(--sh-mid);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  margin-left: auto;
  font-size: var(--t-sm);
  color: var(--fg-2);
}

.nav__links a {
  padding-block: 0.3rem;
  background-image: linear-gradient(var(--g-400), var(--g-400));
  background-size: 0% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: color var(--d-fast) var(--e-out), background-size var(--d-base) var(--e-out);
}

.nav__links a:hover { color: var(--fg-0); background-size: 100% 1px; }
.nav__cta-sm { display: none; }

.nav__actions { display: flex; align-items: center; gap: 0.55rem; }

.nav__burger {
  display: none;
  position: relative;
  width: 42px; height: 42px;
  border-radius: var(--r-chip);
  border: 1px solid var(--bd-1);
}

.nav__burger span {
  position: absolute;
  left: 11px;
  width: 18px; height: 1.5px;
  background: var(--fg-0);
  border-radius: 2px;
  transition: transform var(--d-base) var(--e-swift);
}

.nav__burger span:nth-child(1) { top: 16px; }
.nav__burger span:nth-child(2) { top: 24px; }
.nav.is-open .nav__burger span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.nav.is-open .nav__burger span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }

/* --- Логотип -------------------------------------------------------------- */
.logo { display: inline-flex; align-items: center; gap: 0.55rem; }
.logo__mark { width: 28px; height: 28px; flex: none; }

.logo__word {
  font-family: var(--font-mono);
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--fg-0);
}

.logo__word i { color: var(--g-500); font-style: normal; }

/* --- Кнопки --------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 0.75rem 0.7rem 1.2rem;
  border-radius: var(--r-pill);
  font-size: var(--t-sm);
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition:
    transform var(--d-fast) var(--e-out),
    background-color var(--d-base) var(--e-out),
    border-color var(--d-base) var(--e-out);
}

.btn:active { transform: scale(0.985); }

.btn--primary {
  background: linear-gradient(180deg, var(--g-400), var(--g-500) 70%, var(--g-600));
  color: #04140d;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    0 1px 2px rgba(0, 20, 14, 0.5),
    0 14px 34px -14px rgba(15, 206, 124, 0.85);
}

.btn--primary:hover { transform: translateY(-1px); }

.btn--ghost {
  border: 1px solid var(--bd-1);
  background: rgba(255, 255, 255, 0.025);
  color: var(--fg-0);
}

.btn--ghost:hover { border-color: var(--bd-acc); background: rgba(15, 206, 124, 0.07); transform: translateY(-1px); }

.btn--sm { padding: 0.45rem 0.5rem 0.45rem 0.9rem; font-size: var(--t-xs); }

.btn__ico {
  display: grid;
  place-items: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.16);
  transition: transform var(--d-base) var(--e-spring);
}

.btn--ghost .btn__ico { background: rgba(255, 255, 255, 0.08); }
.btn--sm .btn__ico { width: 22px; height: 22px; }
.btn:hover .btn__ico { transform: translate3d(2px, -1px, 0); }
.btn__ico svg { width: 12px; height: 12px; stroke-width: 2; }

/* --- Чипи ----------------------------------------------------------------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--bd-1);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--fg-2);
  white-space: nowrap;
}

.chip--stable { color: var(--g-300); border-color: var(--bd-acc); background: rgba(15, 206, 124, 0.08); }
.chip--beta { color: #e8d9a8; border-color: rgba(216, 201, 164, 0.3); background: rgba(216, 201, 164, 0.06); }
.chip--muted { color: var(--fg-3); }

/* --- Панель зі скляним кантом ---------------------------------------------
   Три речі обовʼязкові, інакше це «div з прозорістю»: діагональний градієнт,
   що йде в нуль до 58%, яскравий 1px кант і драбинка тіней. */
.pane {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: var(--r-shell);
  background:
    linear-gradient(142deg, rgba(255, 255, 255, 0.075) 0%, rgba(255, 255, 255, 0.025) 34%, rgba(255, 255, 255, 0.008) 58%, rgba(110, 231, 183, 0.05) 100%),
    var(--bg-2);
  box-shadow: var(--sh-ladder);
  overflow: hidden;
  isolation: isolate;
}

.pane::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  pointer-events: none;
  background: linear-gradient(142deg,
    rgba(234, 255, 246, 0.55) 0%,
    rgba(16, 185, 129, 0.28) 22%,
    rgba(255, 255, 255, 0) 46%,
    rgba(255, 255, 255, 0.05) 74%,
    rgba(180, 255, 220, 0.22) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
}

.pane--ours { box-shadow: var(--sh-ladder), var(--sh-glow); }

.pane__h {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--bd-0);
}

.pane__t { font-family: var(--font-mono); font-size: 0.74rem; color: var(--fg-2); }

.pane__f {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1rem;
  border-top: 1px solid var(--bd-0);
  font-size: var(--t-xs);
  color: var(--fg-2);
}

.pane__f svg { width: 14px; height: 14px; flex: none; stroke-width: 2; }
.pane__f--yes svg { color: var(--g-400); }
.pane__f--no svg { color: var(--fg-3); }

/* --- Код ------------------------------------------------------------------ */
.code {
  flex: 1;
  margin: 0;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-size: 0.76rem;
  line-height: 1.75;
  color: #cfe3d8;
  background: rgba(3, 13, 9, 0.55);
  tab-size: 2;
}

.code--dim { color: #93aca0; }
.code::-webkit-scrollbar { height: 6px; }
.code::-webkit-scrollbar-thumb { background: var(--bd-1); border-radius: 3px; }

.t-kw  { color: #8be0ff; }
.t-fn  { color: var(--g-300); }
.t-str { color: #d8c9a4; }
.t-com { color: #6d8279; font-style: italic; }
.t-cls { color: #b6f8dc; }

/* --- Командний рядок ------------------------------------------------------ */
.cmd {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.7rem 0.7rem 0.7rem 1rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--bd-1);
  background: rgba(3, 13, 9, 0.6);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--fg-0);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.cmd--hero { font-size: 0.95rem; padding: 0.9rem 0.9rem 0.9rem 1.3rem; }
.cmd--sm { font-size: 0.74rem; padding: 0.45rem 0.45rem 0.45rem 0.8rem; border-radius: var(--r-chip); }
.cmd__prompt { color: var(--g-500); user-select: none; }
.cmd__text { flex: 1; min-width: 0; overflow-x: auto; white-space: nowrap; text-align: left; scrollbar-width: none; }
.cmd__text::-webkit-scrollbar { display: none; }

.copy {
  position: relative;
  display: grid;
  place-items: center;
  width: 32px; height: 32px;
  flex: none;
  border-radius: var(--r-chip);
  border: 1px solid var(--bd-0);
  background: rgba(255, 255, 255, 0.04);
  color: var(--fg-2);
  transition: color var(--d-fast) var(--e-out), border-color var(--d-fast) var(--e-out);
}

.cmd--sm .copy { width: 26px; height: 26px; }
.copy:hover { color: var(--fg-0); border-color: var(--bd-1); }
.copy svg { width: 14px; height: 14px; stroke-width: 1.8; transition: opacity var(--d-fast) var(--e-out), transform var(--d-base) var(--e-spring); }
.copy .ico-check { position: absolute; opacity: 0; transform: scale(0.6); }
.copy.is-done { color: var(--g-400); border-color: var(--bd-acc); }
.copy.is-done .ico-copy { opacity: 0; transform: scale(0.6); }
.copy.is-done .ico-check { opacity: 1; transform: scale(1); }

/* --- Дрібне --------------------------------------------------------------- */
.pkg { font-family: var(--font-mono); font-size: 0.82rem; color: var(--fg-0); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: var(--t-sm);
  color: var(--g-300);
  transition: color var(--d-fast) var(--e-out);
}

.link-arrow svg { width: 12px; height: 12px; stroke-width: 2; transition: transform var(--d-base) var(--e-spring); }
.link-arrow:hover { color: var(--g-200); }
.link-arrow:hover svg { transform: translate3d(3px, -1px, 0); }