/* ── Body lock — hides all content while auth gate is active ── */
body.auth-locked > *:not(#auth-gate):not(#version-gate) {
  visibility: hidden;
  pointer-events: none;
  user-select: none;
}
body.auth-locked { overflow: hidden; }

/* ── Dashboard lock — blurs dashboard when gate is shown over it ── */
#dashboard-section.dashboard-locked {
  filter: blur(8px);
  pointer-events: none;
  user-select: none;
  opacity: 0.4;
  transition: filter 0.4s ease, opacity 0.4s ease;
}

/* ── Auth Gate ── */
#auth-gate {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  background: rgba(10,13,17,0.55);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.5s ease, visibility 0.5s ease;
  overflow: hidden;
}

#auth-gate-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.45;
}

#auth-gate .auth-card {
  position: relative;
  z-index: 1;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(14,18,24,0.75);
  border: 1px solid rgba(255,255,255,0.1);
}
#auth-gate.visible {
  opacity: 1; visibility: visible; pointer-events: auto;
}
#auth-gate.out {
  opacity: 0; visibility: hidden; pointer-events: none;
}

.auth-card {
  width: 100%; max-width: 400px;
  padding: 2.5rem 2rem;
  background: var(--nk-anthracite-900);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-xl);
  display: flex; flex-direction: column; gap: 1.5rem;
}

.auth-logo {
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-sans); font-weight: 700;
  font-size: 1rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--nk-white);
}
.auth-logo .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--nk-mint-400); flex-shrink: 0;
}

.auth-title {
  font-family: var(--font-sans); font-weight: 300;
  font-size: 1.5rem; color: var(--nk-white);
  line-height: 1.2;
}
.auth-sub {
  font-size: var(--fs-sm); color: var(--nk-anthracite-400);
  margin-top: 0.25rem;
}

.auth-field {
  display: flex; flex-direction: column; gap: 0.4rem;
}
.auth-field label {
  font-size: var(--fs-xs); font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--nk-anthracite-400);
}
.auth-field input {
  width: 100%; padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--r-md);
  font-family: var(--font-sans); font-size: var(--fs-md);
  color: var(--nk-white); outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}
.auth-field input::placeholder { color: var(--nk-anthracite-500); }
.auth-field input:focus { border-color: var(--nk-mint-400); }

.auth-btn {
  width: 100%; padding: 0.85rem 1rem;
  background: var(--nk-mint-400); color: var(--nk-anthracite-950);
  border: none; border-radius: var(--r-md);
  font-family: var(--font-sans); font-size: var(--fs-sm);
  font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  cursor: pointer; transition: background 0.2s, opacity 0.2s;
}
.auth-btn:hover { background: var(--nk-mint-300); }
.auth-btn:disabled { opacity: 0.5; cursor: default; }

.auth-error {
  font-size: var(--fs-sm); color: var(--nk-pink-400);
  min-height: 1.2em; text-align: center;
}

.auth-back-btn {
  background: none; border: none; padding: 0;
  font-family: var(--font-sans); font-size: var(--fs-sm);
  color: var(--nk-anthracite-400); cursor: pointer;
  text-align: center; width: 100%;
  transition: color 0.2s;
}
.auth-back-btn:hover { color: var(--nk-white); }

/* ── Version Gate ── */
#version-gate {
  position: fixed; inset: 0; z-index: 9998;
  background: var(--nk-anthracite-950);
  display: flex; align-items: center; justify-content: center;
  padding: clamp(24px, 4vw, 60px);
  transition: opacity 0.6s ease, visibility 0.6s ease;
  overflow-y: auto;
}
#version-gate.out {
  opacity: 0; visibility: hidden; pointer-events: none;
}
#version-gate.hidden {
  display: none !important;
}

.vg-inner {
  width: 100%; max-width: 1100px;
  display: flex; flex-direction: column; gap: clamp(32px, 5vh, 56px);
}
.vg-header { display: flex; flex-direction: column; gap: 14px; }
.vg-logo {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-sans); font-weight: 700; font-size: 0.8rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--nk-anthracite-500);
}
.vg-logo .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--nk-mint-400); flex-shrink: 0;
}
.vg-title {
  font-family: var(--font-sans); font-weight: 300;
  font-size: clamp(2.2rem, 5vw, 4.5rem);
  line-height: 1; letter-spacing: 0.02em; text-transform: uppercase;
  color: var(--nk-white);
}
.vg-title span { color: var(--nk-mint-400); }
.vg-sub {
  font-size: var(--fs-sm); color: var(--nk-anthracite-400);
  max-width: 480px; line-height: 1.5;
}

.vg-cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.vg-card {
  position: relative; text-align: left;
  background: var(--nk-anthracite-900);
  border: 1.5px solid rgba(255,255,255,0.07);
  border-radius: 20px; padding: 32px 28px;
  display: flex; flex-direction: column; gap: 12px;
  cursor: pointer; transition: border-color 0.22s, transform 0.22s, background 0.22s;
}
.vg-card:hover {
  border-color: var(--nk-mint-400);
  background: rgba(176,206,203,0.05);
  transform: translateY(-4px);
}
.vg-card:focus-visible { outline: 2px solid var(--nk-mint-400); outline-offset: 3px; }

.vg-card-num {
  font-family: var(--font-mono); font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.2em; color: var(--nk-anthracite-600);
}
.vg-card-icon {
  font-size: 2rem; line-height: 1; color: var(--nk-mint-400);
  margin: 4px 0;
}
.vg-card-theme {
  font-family: var(--font-mono); font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--nk-mint-700);
}
.vg-card-name {
  font-family: var(--font-sans); font-weight: 600; font-size: 1.1rem;
  color: var(--nk-white); line-height: 1.2;
}
.vg-card-desc {
  font-size: var(--fs-sm); line-height: 1.6;
  color: var(--nk-anthracite-400); flex: 1;
}
.vg-card-enter {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--nk-mint-400); margin-top: 8px;
  transition: letter-spacing 0.18s;
}
.vg-card:hover .vg-card-enter { letter-spacing: 0.18em; }

@media (max-width: 760px) {
  .vg-cards { grid-template-columns: 1fr; }
}

/* ── Version Switcher ── */
#version-switcher {
  position: fixed; top: 1rem; right: 1rem; z-index: 10000;
  display: flex; align-items: center; gap: 0.375rem;
  background: rgba(20,24,29,0.85);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--r-pill);
  padding: 0.3rem 0.4rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
#version-switcher.switcher-visible {
  opacity: 1; pointer-events: auto;
}
.vs-back-btn {
  display: flex; align-items: center;
  height: 2rem; padding: 0 0.65rem;
  border-radius: var(--r-pill);
  border: 1.5px solid rgba(255,255,255,0.12);
  background: transparent;
  font-family: var(--font-sans); font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.08em; color: var(--nk-anthracite-400);
  cursor: pointer; transition: background 0.18s, border-color 0.18s, color 0.18s;
  white-space: nowrap;
}
.vs-back-btn:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.25);
  color: var(--nk-white);
}
.vs-sep {
  width: 1px; height: 1.2rem;
  background: rgba(255,255,255,0.12);
  flex-shrink: 0;
}
.vs-label {
  font-family: var(--font-sans); font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--nk-anthracite-400);
  padding: 0 0.4rem 0 0.2rem;
}
.vs-btn {
  display: flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem; border-radius: var(--r-pill);
  border: 1.5px solid rgba(255,255,255,0.12);
  background: transparent;
  font-family: var(--font-sans); font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.06em; color: var(--nk-anthracite-300);
  cursor: pointer; transition: background 0.18s, border-color 0.18s, color 0.18s;
}
.vs-btn:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.25);
  color: var(--nk-white);
}
.vs-btn.active {
  background: var(--nk-mint-400);
  border-color: var(--nk-mint-400);
  color: var(--nk-anthracite-950);
}

/* ── Rocket theme overrides ── */
body.theme-rocket .db-flag.finish .banner::after { content: "ORBIT"; }
body.theme-rocket .db-flag.start .banner { background: var(--nk-pink-500); }