/* ============================================================
   CRADL Dev Portal — shared sub-page frame
   Imported by every page launched from Dev Portal.html.
   Provides: background, corner chrome, header bar, content frame,
             return-to-portal button.
   ============================================================ */

html, body {
  margin: 0; padding: 0;
  background: #000;
  min-height: 100vh;
  font-family: "Glass TTY VT220", monospace;
  color: var(--p-green-300);
  -webkit-font-smoothing: none;
  font-smooth: never;
  text-rendering: geometricPrecision;
}
* { box-sizing: border-box; }

::selection { background: var(--magenta-400); color: #000; }

*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: #000; border-left: 1px dashed var(--p-green-700); }
*::-webkit-scrollbar-thumb { background: var(--p-green-700); }
*::-webkit-scrollbar-thumb:hover { background: var(--p-green-500); }

/* ──────────────────────────────────── stage + background layers */
#stage {
  position: fixed; inset: 0;
  display: grid;
  grid-template-rows: 64px 1fr 36px;
  z-index: 1;
}
.bg-void { position: fixed; inset: 0; background: #000; z-index: 0; }
.bg-grid {
  position: fixed; inset: 0;
  background-image: radial-gradient(circle at 1px 1px, #0d2616 1px, transparent 1px);
  background-size: 8px 8px;
  z-index: 0;
  mask-image: radial-gradient(ellipse at center, #000 60%, rgba(0,0,0,0.4) 100%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 60%, rgba(0,0,0,0.4) 100%);
  pointer-events: none;
}
.bg-scan {
  position: fixed; inset: 0;
  background-image: repeating-linear-gradient(0deg, rgba(0,0,0,0) 0, rgba(0,0,0,0) 1px, rgba(0,0,0,0.18) 2px);
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: multiply;
  opacity: 0.6;
}

/* registration crosshairs */
.reg {
  position: fixed;
  z-index: 50;
  width: 14px; height: 14px;
  pointer-events: none;
}
.reg::before, .reg::after {
  content: ""; position: absolute; background: var(--p-green-700);
}
.reg::before { left: 0; right: 0; top: 50%; height: 1px; }
.reg::after  { top: 0; bottom: 0; left: 50%; width: 1px; }
.reg.tl { top: 12px; left: 12px; }
.reg.tr { top: 12px; right: 12px; }
.reg.bl { bottom: 12px; left: 12px; }
.reg.br { bottom: 12px; right: 12px; }

/* ──────────────────────────────────── header bar */
.bar {
  grid-row: 1;
  position: relative;
  border-bottom: 1px solid var(--p-green-700);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 28px;
  z-index: 10;
  background: rgba(0,0,0,0.65);
}
.bar::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  border-bottom: 1px dashed var(--p-green-700);
}

.bar .brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-family: "Glass TTY VT220", monospace;
  text-transform: uppercase;
}
.bar .brand .mark {
  color: var(--p-green-200);
  text-shadow: 0 0 6px var(--p-green-glow);
  font-size: 14px;
  letter-spacing: 0.18em;
  font-weight: 400;
}
.bar .brand .slash {
  color: var(--p-green-700);
  font-size: 14px;
  letter-spacing: 0;
}
.bar .brand .page {
  font-size: 14px;
  letter-spacing: 0.24em;
}
.bar .brand .page.docs { color: var(--p-green-100); text-shadow: 0 0 4px var(--p-green-glow); }
.bar .brand .page.analysis { color: var(--cyan-300); text-shadow: 0 0 4px var(--cyan-400); }
.bar .brand .page.planning { color: var(--magenta-300); text-shadow: 0 0 4px var(--magenta-400); }
.bar .brand .page.calculator { color: var(--amber-300); text-shadow: 0 0 4px var(--amber-400); }

.bar .crumbs {
  display: flex;
  align-items: center;
  gap: 12px;
  font: 10px "Glass TTY VT220", monospace;
  letter-spacing: 0.20em;
  color: var(--p-green-500);
  text-transform: uppercase;
  justify-self: center;
}
.bar .crumbs .sep { color: var(--p-green-700); }
.bar .crumbs .hot { color: var(--p-green-200); text-shadow: 0 0 4px var(--p-green-glow); }
.bar .crumbs .blip {
  display: inline-block;
  width: 5px; height: 5px;
  background: var(--p-green-300);
  box-shadow: 0 0 4px var(--p-green-glow);
  margin-right: 4px;
  vertical-align: 1px;
  animation: blip 1.8s steps(2, end) infinite;
}
@keyframes blip { 50% { opacity: 0.25; } }

.bar .actions {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-self: end;
}
.bar .meta {
  font: 10px "Glass TTY VT220", monospace;
  letter-spacing: 0.18em;
  color: var(--p-green-700);
  text-transform: uppercase;
  margin-right: 6px;
}
.bar .meta .lit { color: var(--p-green-400); }

/* return button — top-right */
.return-btn {
  appearance: none;
  background: transparent;
  border: 1px solid var(--red-700);
  color: var(--red-400);
  font: 12px "Glass TTY VT220", monospace;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 8px 16px;
  cursor: pointer;
  text-decoration: none;
  transition: all 120ms cubic-bezier(.2,.8,.2,1);
  position: relative;
}
.return-btn:hover {
  border-color: var(--red-400);
  color: var(--red-300);
  text-shadow: 0 0 6px var(--red-400);
  background: rgba(255,59,47,0.04);
}
.return-btn:active {
  background: var(--red-400);
  color: #000;
  border-color: var(--red-300);
  text-shadow: none;
  box-shadow: 0 0 10px var(--red-400);
}
.return-btn::before, .return-btn::after {
  content: "";
  position: absolute;
  width: 7px; height: 7px;
  border-color: var(--red-400);
  border-style: solid;
}
.return-btn::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.return-btn::after  { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }

/* ──────────────────────────────────── main content frame */
.main {
  grid-row: 2;
  position: relative;
  z-index: 5;
  padding: 32px 40px;
  overflow: hidden;
  display: grid;
  min-height: 0;
}

.frame {
  position: relative;
  border: 1px solid var(--p-green-700);
  background: #000;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.frame::before {
  /* corner label tab */
  content: attr(data-label);
  position: absolute;
  top: -7px; left: 18px;
  padding: 0 8px;
  background: #000;
  font: 10px "Glass TTY VT220", monospace;
  letter-spacing: 0.22em;
  color: var(--p-green-500);
  text-transform: uppercase;
  z-index: 2;
}
.frame::after {
  /* right-side stamp */
  content: attr(data-stamp);
  position: absolute;
  top: -7px; right: 18px;
  padding: 0 8px;
  background: #000;
  font: 10px "Glass TTY VT220", monospace;
  letter-spacing: 0.22em;
  color: var(--p-green-700);
  text-transform: uppercase;
}
.frame.cyan { border-color: var(--cyan-700); }
.frame.cyan::before { color: var(--cyan-400); text-shadow: 0 0 4px var(--cyan-400); }
.frame.magenta { border-color: var(--magenta-700); }
.frame.magenta::before { color: var(--magenta-400); text-shadow: 0 0 4px var(--magenta-400); }
.frame.amber { border-color: var(--amber-700); }
.frame.amber::before { color: var(--amber-400); text-shadow: 0 0 4px var(--amber-400); }

/* dotted backdrop inside the frame, vignetted */
.frame-bg {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 1px 1px, #0d2616 1px, transparent 1px);
  background-size: 10px 10px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, #000 60%, rgba(0,0,0,0.2) 100%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 60%, rgba(0,0,0,0.2) 100%);
}

/* frame content area — scrollable */
.frame-body {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: auto;
  z-index: 1;
}

/* empty-state placeholder shown in Analysis/Planning */
.slot-empty {
  display: grid;
  place-items: center;
  height: 100%;
  min-height: 480px;
  color: var(--p-green-700);
  text-align: center;
  padding: 40px;
  user-select: none;
}
.slot-empty .stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.slot-empty .glyph {
  font-size: 64px;
  letter-spacing: 0.4em;
  color: var(--p-green-700);
  text-shadow: 0 0 10px rgba(60,255,122,0.1);
  padding-left: 0.4em;
}
.slot-empty .glyph.cyan { color: var(--cyan-700); text-shadow: 0 0 10px rgba(45,212,255,0.15); }
.slot-empty .glyph.magenta { color: var(--magenta-700); text-shadow: 0 0 10px rgba(255,60,199,0.15); }
.slot-empty .ttl {
  font: 14px "Glass TTY VT220", monospace;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--p-green-500);
}
.slot-empty .msg {
  font: 11px "Glass TTY VT220", monospace;
  letter-spacing: 0.16em;
  color: var(--p-green-700);
  text-transform: uppercase;
  max-width: 480px;
  line-height: 1.6;
}
.slot-empty .note {
  margin-top: 8px;
  font: 10px "Glass TTY VT220", monospace;
  letter-spacing: 0.14em;
  color: var(--p-green-700);
  text-transform: uppercase;
  padding: 6px 12px;
  border: 1px dashed var(--p-green-700);
}

/* ──────────────────────────────────── footer status bar */
.status {
  grid-row: 3;
  position: relative;
  border-top: 1px solid var(--p-green-700);
  background: rgba(0,0,0,0.65);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  font: 10px "Glass TTY VT220", monospace;
  letter-spacing: 0.20em;
  color: var(--p-green-700);
  text-transform: uppercase;
  z-index: 10;
}
.status::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: -4px;
  border-top: 1px dashed var(--p-green-700);
}
.status .row { display: flex; gap: 16px; align-items: center; }
.status .lit { color: var(--p-green-400); text-shadow: 0 0 4px var(--p-green-glow); }
.status .dot {
  display: inline-block;
  width: 5px; height: 5px;
  background: var(--p-green-300);
  box-shadow: 0 0 4px var(--p-green-glow);
  margin-right: 6px;
  vertical-align: 1px;
}
.status .dot.amber { background: var(--amber-400); box-shadow: 0 0 4px var(--amber-400); }
.status .dot.cyan { background: var(--cyan-400); box-shadow: 0 0 4px var(--cyan-400); }
.status .dot.magenta { background: var(--magenta-400); box-shadow: 0 0 4px var(--magenta-400); }
.status .dot.pulse { animation: blip 1.6s steps(2, end) infinite; }

/* ──────────────────────────────────── markdown rendering (docs page) */
.md {
  padding: 36px 48px 80px;
  max-width: 900px;
  margin: 0 auto;
  font: 14px "Glass TTY VT220", monospace;
  letter-spacing: 0.02em;
  line-height: 1.65;
  color: var(--p-green-300);
}
.md h1, .md h2, .md h3, .md h4, .md h5, .md h6 {
  font-family: "Glass TTY VT220", monospace;
  font-weight: 400;
  color: var(--p-green-100);
  text-shadow: 0 0 6px var(--p-green-glow);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 28px 0 14px;
  line-height: 1.2;
}
.md h1 { font-size: 28px; letter-spacing: 0.22em; margin-top: 0; padding-bottom: 12px; border-bottom: 1px dashed var(--p-green-700); }
.md h1::before { content: "◆ "; color: var(--p-green-500); }
.md h2 { font-size: 22px; }
.md h2::before { content: "▌ "; color: var(--p-green-500); }
.md h3 { font-size: 18px; }
.md h3::before { content: "› "; color: var(--p-green-500); }
.md h4 { font-size: 16px; color: var(--p-green-200); }
.md p { margin: 12px 0; }
.md a {
  color: var(--cyan-400);
  text-shadow: 0 0 3px var(--cyan-400);
  text-decoration: underline;
  text-decoration-style: dashed;
  text-underline-offset: 3px;
}
.md a:hover { color: var(--cyan-300); }
.md strong { color: var(--p-green-100); text-shadow: 0 0 4px var(--p-green-glow); font-weight: 400; }
.md em { color: var(--magenta-300); font-style: normal; }
.md code {
  font-family: "Glass TTY VT220", monospace;
  color: var(--amber-300);
  background: rgba(255,176,32,0.06);
  padding: 0 4px;
  border: 1px solid var(--amber-500);
  font-size: 0.92em;
}
.md pre {
  border: 1px solid var(--p-green-700);
  background: rgba(0,0,0,0.6);
  padding: 14px 16px;
  overflow: auto;
  margin: 16px 0;
  position: relative;
}
.md pre::before {
  content: "CODE";
  position: absolute;
  top: -7px; left: 12px;
  padding: 0 6px;
  background: #000;
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--p-green-500);
}
.md pre code {
  background: none; border: none; padding: 0;
  color: var(--p-green-200);
  font-size: 13px;
  line-height: 1.6;
}
.md ul, .md ol { margin: 12px 0; padding-left: 22px; }
.md ul li::marker { color: var(--p-green-500); content: "◆ "; }
.md ol li::marker { color: var(--p-green-500); }
.md li { margin: 4px 0; }
.md blockquote {
  margin: 16px 0;
  padding: 8px 16px;
  border-left: 2px solid var(--magenta-400);
  background: rgba(255,60,199,0.04);
  color: var(--magenta-300);
}
.md blockquote::before {
  content: "◇ NOTE ";
  color: var(--magenta-400);
  letter-spacing: 0.18em;
  text-shadow: 0 0 4px var(--magenta-400);
}
.md hr {
  border: none;
  border-top: 1px dashed var(--p-green-700);
  margin: 28px 0;
}
.md table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 13px;
}
.md table th, .md table td {
  border: 1px solid var(--p-green-700);
  padding: 8px 12px;
  text-align: left;
}
.md table th {
  background: rgba(60,255,122,0.04);
  color: var(--p-green-100);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 400;
}
.md img { max-width: 100%; filter: hue-rotate(80deg) saturate(0.6); }