/* Mika HUD shell — 1px border, clipped corners, system label, status, scanline */

.mika-hud {
  --hud-pad: 20px;
  position: relative;
  background: var(--mika-panel);
  border: 1px solid var(--mika-border);
  color: var(--mika-text);
  padding: calc(var(--hud-pad) + 8px) var(--hud-pad) var(--hud-pad);
  clip-path: polygon(
    10px 0,
    calc(100% - 10px) 0,
    100% 10px,
    100% calc(100% - 10px),
    calc(100% - 10px) 100%,
    10px 100%,
    0 calc(100% - 10px),
    0 10px
  );
  overflow: hidden;
}

/* Full homepage sections: chrome only, no panel inset / clip */
section.mika-hud.hv2-section {
  background: transparent;
  border: none;
  clip-path: none;
  overflow: visible;
  padding: 88px 0;
  color: inherit;
}

section.mika-hud.hv2-section > .mika-hud-bar {
  position: absolute;
  top: 12px;
  left: max(20px, calc((100% - 1180px) / 2));
  right: auto;
  width: auto;
  min-width: 200px;
  padding: 0;
  pointer-events: none;
}

@media (max-width: 768px) {
  section.mika-hud.hv2-section {
    padding: 64px 0;
  }

  section.mika-hud.hv2-section > .mika-hud-bar {
    left: 16px;
    top: 8px;
  }
}

.mika-hud::before,
.mika-hud::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--mika-border);
  border-style: solid;
  pointer-events: none;
  opacity: 0.7;
  transition: border-color 0.25s ease, opacity 0.25s ease;
  z-index: 2;
}

.mika-hud::before {
  top: 0;
  left: 0;
  border-width: 1px 0 0 1px;
}

.mika-hud::after {
  top: 0;
  right: 0;
  border-width: 1px 1px 0 0;
}

.mika-hud-corners {
  pointer-events: none;
}

.mika-hud-corners::before,
.mika-hud-corners::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--mika-border);
  border-style: solid;
  opacity: 0.7;
  transition: border-color 0.25s ease, opacity 0.25s ease;
  z-index: 2;
}

.mika-hud-corners::before {
  bottom: 0;
  left: 0;
  border-width: 0 0 1px 1px;
}

.mika-hud-corners::after {
  bottom: 0;
  right: 0;
  border-width: 0 1px 1px 0;
}

.mika-hud[data-status="active"]::before,
.mika-hud[data-status="active"]::after,
.mika-hud[data-status="active"] .mika-hud-corners::before,
.mika-hud[data-status="active"] .mika-hud-corners::after,
.mika-hud.is-active::before,
.mika-hud.is-active::after,
.mika-hud.is-active .mika-hud-corners::before,
.mika-hud.is-active .mika-hud-corners::after {
  border-color: var(--mika-cyan);
  opacity: 1;
}

.mika-hud-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 28px;
  padding: 6px 14px 0;
  z-index: 3;
  pointer-events: none;
}

.mika-hud-system {
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mika-muted);
}

.mika-hud-status {
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mika-cyan);
}

.mika-hud[data-status="ready"] .mika-hud-status,
.mika-hud[data-status="verified"] .mika-hud-status {
  color: var(--mika-green);
}

.mika-hud[data-status="opportunity"] .mika-hud-status,
.mika-hud[data-status="warn"] .mika-hud-status {
  color: var(--mika-amber);
}

.mika-hud[data-system*="seo"] .mika-hud-system,
.mika-hud[data-system="search"] .mika-hud-system {
  color: var(--mika-blue);
}

.mika-hud[data-system*="geo"] .mika-hud-system,
.mika-hud[data-system="questions"] .mika-hud-system,
.mika-hud[data-system="entity"] .mika-hud-system {
  color: var(--mika-violet);
}

/* Hover scanline — thin, left → right, once per hover */
.mika-hud-scan {
  position: absolute;
  top: 0;
  left: -20%;
  width: 18%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(34, 211, 238, 0.07),
    transparent
  );
  pointer-events: none;
  opacity: 0;
  z-index: 1;
}

.mika-hud:hover .mika-hud-scan,
.mika-hud.is-scanning .mika-hud-scan {
  animation: mika-hud-scan 0.85s ease-out 1;
}

@keyframes mika-hud-scan {
  0% {
    opacity: 0;
    transform: translateX(0);
  }
  15% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(620%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .mika-hud:hover .mika-hud-scan,
  .mika-hud.is-scanning .mika-hud-scan {
    animation: none;
    opacity: 0;
  }
}

/* Chapter rail — desktop only */
.mika-rail {
  position: fixed;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
  width: 118px;
}

.mika-rail a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mika-muted);
  text-decoration: none;
  opacity: 0.55;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.mika-rail a::before {
  content: "";
  width: 6px;
  height: 6px;
  border: 1px solid var(--mika-border);
  background: transparent;
  flex-shrink: 0;
}

.mika-rail a.is-current,
.mika-rail a[aria-current="true"] {
  opacity: 1;
  color: var(--mika-text);
}

.mika-rail a.is-current::before,
.mika-rail a[aria-current="true"]::before {
  background: var(--mika-cyan);
  border-color: var(--mika-cyan);
}

.mika-rail a:hover {
  opacity: 0.9;
  color: var(--mika-text);
}

@media (max-width: 1100px) {
  .mika-rail {
    display: none;
  }
}