/* Launch screen: holographic intro + main menu */

.landing-body { background: #03060b; overflow-x: hidden; }
#space { position: fixed; inset: 0; width: 100%; height: 100%; display: block; z-index: 0; }

/* ---------- intro ---------- */
.intro {
  position: fixed; inset: 0; z-index: 20; display: grid; place-items: center;
  background: radial-gradient(ellipse at center, rgba(3, 8, 16, .2), rgba(3, 6, 11, .85) 70%);
  transition: opacity .7s ease, visibility .7s;
}
/* Sized by width and height so the title never runs into the boot text on short screens. */
.intro-stage { position: relative; display: grid; place-items: center; width: min(520px, 90vw, 50vh); margin-top: -12vh; }
.intro-hud { width: 100%; height: auto; overflow: visible; transition: transform 1s cubic-bezier(.6, 0, .2, 1), opacity .8s; }
.intro-hud .ring circle, .intro-hud .ring line { fill: none; stroke: var(--hud); stroke-width: 1.2; }
.intro-hud .ring { transform-origin: 0 0; opacity: 0; }
.intro-hud .ring-outer circle { stroke-dasharray: 100; stroke-dashoffset: 100; stroke-opacity: .55; }
.intro-hud .ring-ticks line { stroke-opacity: .5; }
.intro-hud .ring-mid circle { stroke-opacity: .7; }
.intro-hud .ring-inner circle { stroke-opacity: .45; stroke-width: 2; }
.intro-hud .crosshair line { stroke: var(--hud); stroke-opacity: .45; stroke-width: 1; }
.intro-hud .crosshair { opacity: 0; }
.intro-hud .sweep { opacity: 0; transform-origin: 0 0; }
.intro-hud .hud-glow { opacity: 0; }
.intro-hud .emblem { opacity: 0; transform: scale(.6); transform-origin: 0 0; }

.intro.go .ring { opacity: 1; transition: opacity .4s; }
.intro.go .ring-outer circle { animation: draw 1.1s cubic-bezier(.6, 0, .2, 1) forwards; }
.intro.go .ring-ticks { animation: spin 26s linear infinite; }
.intro.go .ring-mid { animation: spin 18s linear infinite reverse; }
.intro.go .ring-inner { animation: spin 9s linear infinite; }
.intro.go .crosshair { opacity: 1; transition: opacity .6s .3s; }
.intro.go .hud-glow { opacity: 1; transition: opacity 1.2s .2s; }
.intro.go .sweep { opacity: 1; transition: opacity .5s .5s; animation: spin 2.4s linear infinite; }
.intro.emblem-in .emblem { opacity: 1; transform: scale(1); transition: opacity .5s, transform .7s cubic-bezier(.2, .9, .3, 1.3); }
.intro.emblem-in .emblem image { filter: drop-shadow(0 0 6px rgba(var(--accent-rgb), .8)); }

.intro-title {
  position: absolute; top: calc(100% + 6px); left: 50%; transform: translateX(-50%);
  font: 700 clamp(26px, 5vw, 46px)/1 var(--display); letter-spacing: .55em; text-transform: uppercase;
  color: #e9f6ff; white-space: nowrap; text-shadow: 0 0 18px rgba(var(--hud-rgb), .55);
  transition: letter-spacing 1.2s cubic-bezier(.2, .8, .2, 1); padding-left: .55em;
}
.intro.title-in .intro-title { letter-spacing: .26em; padding-left: .26em; }
.intro-title span { display: inline-block; opacity: 0; transform: translateY(8px); filter: blur(6px); }
.intro.title-in .intro-title span { animation: letterIn .55s cubic-bezier(.2, .8, .2, 1) forwards; }
.intro-sub {
  position: absolute; top: calc(100% + 64px); left: 50%; transform: translateX(-50%); white-space: nowrap;
  font: 600 13px/1 var(--display); letter-spacing: .5em; text-transform: uppercase; color: var(--hud); opacity: 0;
}
.intro.title-in .intro-sub { opacity: .85; transition: opacity .8s .7s; }

.boot {
  position: fixed; left: 24px; bottom: 22px; margin: 0; font: 12px/1.7 var(--mono); color: #7fd8ff;
  text-shadow: 0 0 8px rgba(var(--hud-rgb), .5); white-space: pre; opacity: .9; max-width: calc(100vw - 48px); overflow: hidden;
}
.boot .ok { color: #6ee7a8; }
.boot .warn { color: #ffb454; }
.intro-skip {
  position: fixed; right: 20px; bottom: 18px; background: none; border: 1px solid rgba(var(--hud-rgb), .35);
  color: var(--hud-soft); font: 600 13px var(--display); letter-spacing: .15em; text-transform: uppercase;
  padding: 8px 14px; border-radius: 6px; cursor: pointer;
}
.intro-skip:hover { background: rgba(var(--hud-rgb), .1); }
.intro-sound {
  position: fixed; top: 18px; left: 50%; transform: translateX(-50%); font: 600 12px var(--display); letter-spacing: .25em;
  text-transform: uppercase; color: var(--hud-soft); opacity: .75; animation: pulse 1.6s ease-in-out infinite; pointer-events: none;
}

.intro.out { opacity: 0; visibility: hidden; }
.intro.out .intro-hud { transform: scale(2.6); opacity: 0; }

@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes letterIn {
  0% { opacity: 0; transform: translateY(8px); filter: blur(6px); }
  60% { opacity: 1; filter: blur(0); }
  70% { opacity: .4; }
  100% { opacity: 1; transform: none; filter: none; }
}

/* ---------- main menu ---------- */
.landing {
  position: relative; z-index: 10; min-height: 100vh; display: flex; flex-direction: column;
  justify-content: center; gap: 28px; padding: 40px 24px 24px; max-width: 980px; margin: 0 auto;
  opacity: 0; transform: translateY(18px); transition: opacity .8s ease, transform .8s cubic-bezier(.2, .8, .2, 1);
}
body.menu-in .landing { opacity: 1; transform: none; }

.landing-head { display: flex; align-items: center; gap: 16px; }
.brand-emblem { width: 64px; height: 64px; flex: none; object-fit: contain; filter: drop-shadow(0 0 10px rgba(var(--accent-rgb), .45)); }
.landing-title {
  font: 700 34px/1 var(--display); letter-spacing: .2em; text-transform: uppercase; color: var(--text-hi);
  text-shadow: 0 0 16px rgba(var(--hud-rgb), .35);
}
.landing-dept { color: var(--hud); font: 600 14px var(--display); letter-spacing: .14em; text-transform: uppercase; margin-top: 6px; opacity: .9; }

.landing-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 20px; }

.hud-card {
  position: relative; background: linear-gradient(180deg, rgba(var(--surface-rgb), .82), rgba(var(--surface-rgb), .88));
  border: 1px solid rgba(var(--hud-rgb), .22); border-radius: 12px; padding: 22px 22px 24px;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, .45), inset 0 1px 0 rgba(255, 255, 255, .04);
}
/* HUD corner brackets */
.hud-card::before, .hud-card::after {
  content: ''; position: absolute; width: 18px; height: 18px; border: 2px solid var(--hud); opacity: .8; pointer-events: none;
}
.hud-card::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; border-top-left-radius: 12px; }
.hud-card::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; border-bottom-right-radius: 12px; }

.hud-label { font: 700 18px/1 var(--display); letter-spacing: .12em; text-transform: uppercase; color: var(--text-hi); display: flex; align-items: center; gap: 10px; }
.hud-label > span:first-child { font: 600 12px var(--mono); color: var(--hud); border: 1px solid rgba(var(--hud-rgb), .4); border-radius: 4px; padding: 3px 6px; letter-spacing: 0; }
.hud-help { margin: 8px 0 6px; color: var(--muted); font-size: 14px; }
.hud-card label { margin-top: 14px; }
.hud-card input { height: 44px; font-size: 15px; background: rgba(4, 9, 16, .75); }
.hud-card .code-input { height: 56px; font-size: 28px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.btn-lg { height: 48px; font-size: 16px; margin-top: 20px; }

.form-error { min-height: 18px; margin-top: 10px; color: var(--danger); font-size: 13.5px; }
.form-error:empty { min-height: 0; margin: 0; }
.recent { margin-top: 18px; }
.recent-title { font: 600 12px var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.recent a {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 8px; color: var(--text); text-decoration: none;
  border: 1px solid transparent;
}
.recent a:hover { background: rgba(var(--hud-rgb), .07); border-color: rgba(var(--hud-rgb), .25); }
.recent .rc-code { font: 600 15px var(--mono); letter-spacing: .15em; color: var(--text-hi); }
.recent .rc-time { color: var(--muted); font-size: 13px; flex: 1; }
.recent .rc-go { color: var(--hud); font-weight: 700; }

.landing-foot { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 13px; }
.landing-foot .sys { display: inline-flex; align-items: center; gap: 8px; font: 600 13px var(--display); letter-spacing: .12em; text-transform: uppercase; color: #a9c7dc; }
.landing-foot .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); box-shadow: 0 0 8px currentColor; }
.landing-foot .dot.ok { background: var(--ok); color: var(--ok); }
.landing-foot .dot.warn { background: var(--warn); color: var(--warn); }
.landing-foot .spacer { flex: 1; }
.link-btn { background: none; border: 0; color: var(--hud); cursor: pointer; font: inherit; padding: 4px; text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 760px) {
  .landing { justify-content: flex-start; padding-top: 28px; }
  .landing-grid { grid-template-columns: 1fr; }
  .landing-title { font-size: 26px; }
  .brand-emblem { width: 48px; height: 48px; }
  .intro-sub { letter-spacing: .3em; font-size: 11px; }
  .boot { font-size: 10.5px; left: 16px; bottom: 60px; }
  /* phones: the long names must fit across the screen */
  .intro-title { font-size: min(26px, 6.2vw); letter-spacing: .3em; padding-left: .3em; }
  .intro.title-in .intro-title { letter-spacing: .14em; padding-left: .14em; }
}
@media (max-width: 420px) {
  .field-row { grid-template-columns: 1fr; gap: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .intro { display: none; }
  .landing { transition: none; }
}