/* ═══════════════════════════════════════════════════════════════════════════
   PHYRENA TERMINAL OVERLAY
   Reusable chrome elements (boot splash, top-left/top-right HUD, terminal
   prompt, grunge/noise background, mobile nav) shared across all pages.
   Does NOT touch <body>, <html>, typography or layout — safe to layer over
   any existing app layout.
   ═══════════════════════════════════════════════════════════════════════════ */

/* Font stays scoped to overlay elements only */
@font-face {
  font-family: 'Terminus';
  src: url('/assets/fonts/terminus-webfont-115b1ac6fd3a8344fa557bf157fda2b7.woff2?vsn=d') format('woff2');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* Variables — declared on a class so they're scoped, not global */
.terminal-overlay-vars {
  --main-color: #c0c0c0;
  --main-color-40: #c0c0c066;
  --main-color-20: #c0c0c033;
  --bg-color: 12, 12, 12;
}

/* ─── Background atmosphere overlays ──────────────────────────────────────── */

.terminal-overlay-vars #noise-overlay,
.terminal-overlay-vars #grunge-overlay {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  height: 100vh;
  width: 100vw;
  pointer-events: none;
  z-index: 10;
  display: none;
}

.terminal-overlay-vars #grunge-overlay {
  z-index: 9998;
  background: url('/assets/images/grunge-ba4824ca588cae5f949023cee6808bd6.jpg?vsn=d');
  background-size: cover;
  mix-blend-mode: color-dodge;
  opacity: 0.9;
}

@keyframes terminal-noise {
  0%   { background: url('/assets/images/noise-textures/noisy-texture-200x200-1-0198c685b8692fe64d61047541aed222.png?vsn=d'); }
  25%  { background: url('/assets/images/noise-textures/noisy-texture-200x200-2-74bf836e2aabe1510e0db92312fa0ab7.png?vsn=d'); }
  50%  { background: url('/assets/images/noise-textures/noisy-texture-200x200-3-bc5d03b540cdb5663398fb30390812d1.png?vsn=d'); }
  75%  { background: url('/assets/images/noise-textures/noisy-texture-200x200-4-bc4eb88617410f2ab389b14edd88e12e.png?vsn=d'); }
}

.terminal-overlay-vars #noise-overlay {
  background-blend-mode: multiply;
  background: url('/assets/images/noise-textures/noisy-texture-200x200-1-0198c685b8692fe64d61047541aed222.png?vsn=d');
  filter: contrast(1.5) brightness(0.4) hue-rotate(90deg);
  opacity: 0.65;
  mask-image: radial-gradient(circle, rgba(0, 0, 0, 1) 30%, rgba(0, 0, 0, 0) 150%);
  mask-size: cover;
  mask-position: center;
  animation: terminal-noise 0.3s steps(4) infinite;
  display: block;
}

.terminal-overlay-vars #grunge-overlay {
  display: block;
}

/* ─── Terminal cursor blink ───────────────────────────────────────────────── */

.terminal-overlay-vars .terminal-cursor {
  text-decoration: underline;
  animation: terminal-cursor-pulse 1.2s steps(1) infinite;
}

@keyframes terminal-cursor-pulse {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* ─── Top-left HUD ────────────────────────────────────────────────────────── */

.terminal-overlay-vars #top-left-ui {
  position: fixed;
  top: 1.2em;
  left: 1.2em;
  z-index: 20;
  font-family: 'Terminus', 'Courier New', monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--main-color);
  pointer-events: none;
}

.terminal-overlay-vars .top-left-ui__season {
  display: none;
}

.terminal-overlay-vars .top-left-ui__beta {
  display: inline-block;
  padding: 0.1em 0.35em;
  font-size: 0.7em;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--main-color);
  background: rgba(192, 192, 192, 0.08);
}

@media (min-width: 45em) {
  .terminal-overlay-vars .top-left-ui__season {
    display: inline;
  }
  .terminal-overlay-vars .top-left-ui__beta {
    margin-left: 0.4em;
  }
}

/* ─── Top-right cluster (HUD box + login button) ──────────────────────────── */

.terminal-overlay-vars #top-right-cluster {
  position: fixed;
  top: 1.2em;
  right: 1.2em;
  z-index: 20;
  display: flex;
  align-items: stretch;
  gap: 0.5rem;
  font-family: 'Terminus', 'Courier New', monospace;
}

.terminal-overlay-vars #top-right-ui {
  display: flex;
  align-items: center;
  gap: 0.75em;
  font-size: 12px;
  color: var(--main-color);
}

.terminal-overlay-vars #terminal-clock {
  letter-spacing: 0.08em;
}

.terminal-overlay-vars #toggle-effects a {
  padding: 0 0.3em;
  border: 1px solid var(--main-color);
  text-decoration: none;
  color: var(--main-color);
}

.terminal-overlay-vars #toggle-effects a:hover {
  background-color: var(--main-color);
  color: rgba(0, 0, 0, 0.65);
}

.terminal-overlay-vars #terminal-overlay-auth-link {
  display: inline-flex;
  align-items: center;
  padding: 0.55em 1em;
  border: 1px solid var(--main-color);
  background: rgba(12, 12, 12, 0.55);
  backdrop-filter: blur(4px);
  text-decoration: none;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--main-color);
  transition: background-color 0.15s, color 0.15s;
  font-family: 'Terminus', 'Courier New', monospace;
  cursor: pointer;
}

.terminal-overlay-vars #terminal-overlay-auth-link:hover {
  background-color: var(--main-color);
  color: rgba(0, 0, 0, 0.75);
}

/* ─── Mobile menu button + nav panel ──────────────────────────────────────── */

.terminal-overlay-vars .terminal-overlay-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  box-sizing: border-box;
  width: 2.467em; /* matches LOGIN outer height */
  height: 2.467em; /* matches LOGIN outer height */
  padding: 0;
  border: 1px solid var(--main-color);
  background: rgba(12, 12, 12, 0.55);
  backdrop-filter: blur(4px);
  color: var(--main-color);
  font-size: 12px;
  font-family: 'Terminus', 'Courier New', monospace;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
}

.terminal-overlay-vars .terminal-overlay-menu-btn:hover {
  background-color: var(--main-color);
  color: rgba(0, 0, 0, 0.75);
}

.terminal-overlay-vars .terminal-overlay-menu-btn__line {
  display: block;
  width: 1.4em;
  height: 2px;
  background-color: currentColor;
}

@media screen and (max-width: 45em) {
  .terminal-overlay-vars .terminal-overlay-menu-btn {
    display: flex;
  }
}

.terminal-overlay-vars #mobile-nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 25;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0.2s, opacity 0.2s;
  font-family: 'Terminus', 'Courier New', monospace;
}

body.mobile-nav-open .terminal-overlay-vars #mobile-nav-overlay,
.terminal-overlay-vars.mobile-nav-open #mobile-nav-overlay {
  visibility: visible;
  opacity: 1;
}

.terminal-overlay-vars #mobile-nav-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
}

.terminal-overlay-vars #mobile-nav-panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 2em 1.25em;
  border: none;
  border-right: 1px solid var(--main-color);
  background: rgba(12, 12, 12, 0.98);
  backdrop-filter: blur(4px);
  transform: translateX(-100%);
  transition: transform 0.25s ease-out;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  color: var(--main-color);
}

body.mobile-nav-open .terminal-overlay-vars #mobile-nav-panel {
  transform: translateX(0);
}

.terminal-overlay-vars .mobile-nav-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1em;
  margin-bottom: 1.25em;
  flex: 0 0 auto;
}

.terminal-overlay-vars .mobile-nav-panel__title {
  margin: 0;
  font-size: 1em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--main-color);
  opacity: 0.9;
}

.terminal-overlay-vars .mobile-nav-panel__beta {
  display: inline-block;
  margin-left: 0.4em;
  padding: 0.1em 0.35em;
  font-size: 0.7em;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--main-color);
  background: rgba(192, 192, 192, 0.08);
}

.terminal-overlay-vars .mobile-nav-panel__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2em;
  height: 2em;
  padding: 0;
  border: 1px solid var(--main-color);
  background: transparent;
  color: var(--main-color);
  font-size: 1.5em;
  line-height: 1;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
  flex-shrink: 0;
}

.terminal-overlay-vars .mobile-nav-panel__close:hover {
  background-color: var(--main-color);
  color: rgba(0, 0, 0, 0.75);
}

.terminal-overlay-vars #mobile-nav-panel ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75em;
  flex: 0 0 auto;
}

.terminal-overlay-vars #mobile-nav-panel .mobile-nav-link {
  display: block;
  padding: 0.65em 0.6em;
  font-size: 1.25em;
  border: 1px solid var(--main-color);
  background: transparent;
  color: var(--main-color);
  text-decoration: none;
  transition: background-color 0.15s, color 0.15s;
}

.terminal-overlay-vars #mobile-nav-panel .mobile-nav-link:hover,
.terminal-overlay-vars #mobile-nav-panel .mobile-nav-link.tab-active {
  background-color: var(--main-color);
  color: rgba(0, 0, 0, 0.75);
}

/* ─── Bottom-left terminal prompt ─────────────────────────────────────────── */

.terminal-overlay-vars #terminal-prompt {
  position: fixed;
  left: 1.2em;
  bottom: 1.2em;
  z-index: 20;
  font-family: 'Terminus', 'Courier New', monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  pointer-events: none;
  color: var(--main-color);
}

/* ─── Boot splash (first visit only) ──────────────────────────────────────── */

.terminal-overlay-vars #boot-sequence {
  display: none;
}

html.boot-show .terminal-overlay-vars #boot-sequence {
  display: flex !important;
  visibility: visible !important;
  position: fixed;
  inset: 0;
  z-index: 9999;
  align-items: center;
  justify-content: center;
  background: rgba(12, 12, 12, 0.98);
  pointer-events: none;
  animation: boot-sequence-fade 3s ease forwards;
  font-family: 'Terminus', 'Courier New', monospace;
  color: var(--main-color);
}

.terminal-overlay-vars .boot-frame {
  text-align: center;
  padding: 1em 2em;
  border: none;
  background: transparent;
}

.terminal-overlay-vars .boot-logo {
  width: min(70vw, 520px);
  height: auto;
  display: block;
  filter: brightness(1.05) contrast(1.05);
  margin-bottom: 0.6em;
  margin-left: auto;
  margin-right: auto;
  animation: boot-logo-out 3s ease forwards;
}

.terminal-overlay-vars .boot-terminal {
  opacity: 0;
  animation: boot-terminal-in 3s ease forwards;
}

.terminal-overlay-vars .boot-terminal p {
  margin: 0.2em 0;
}

@keyframes boot-sequence-fade {
  0%, 85% { opacity: 1; visibility: visible; }
  100% { opacity: 0; visibility: hidden; }
}

@keyframes boot-logo-out {
  0%, 35% { opacity: 1; }
  55%, 100% { opacity: 0; }
}

@keyframes boot-terminal-in {
  0%, 35% { opacity: 0; }
  55%, 85% { opacity: 1; }
  100% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html.boot-show .terminal-overlay-vars #boot-sequence {
    animation: none;
    opacity: 0;
    visibility: hidden;
  }
}
