/*
  carriemarkusen.com
*/

/* ---- Shared with carriemarkusen-net: keep this block identical in both sites' styles.css ---- */

:root {
  /* Only three colors: black, white and green. */
  --black: #000000;
  --white: #fcfcfc;
  --green: #03f900;

  /* Gray, for data text only (the title bar path). It matches how the white [ read only ] and uptime
     look once the vignette darkens the corners. */
  --gray: #a8a8a8;

  /* Placeholder images are one tint lighter than black (images/placeholder.svg uses the same value). */
  --placeholder: #111111;

  --font: "JetBrains Mono", ui-monospace, Menlo, monospace;

  /* Type styles: Display is the big text, H2 titles, Body everything else. All Thin. */
  --display-size: clamp(2.5rem, 7vw, 7rem);
  --h2-size: 1.25rem;
  --body-size: 0.875rem;

  --sidebar-width: 20%;
  --gutter: clamp(1rem, 3vw, 2.5rem);
  --glow: 0 0 6px rgba(3, 249, 0, 0.45);

  /* Weight of the green rules. 0.5px is a hairline on Retina screens and rounds up to 1px elsewhere. */
  --rule: 0.5px;
}

/* Base */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--black);
}

body {
  margin: 0;
  background: var(--black);
  color: var(--green);
  font-family: var(--font);
  font-size: var(--body-size);
  font-weight: 100;
  line-height: 1.6;
  text-shadow: var(--glow);
}

/* ---- End of shared block ---- */

/* Site styles */

p {
  margin: 0;
}

:focus-visible {
  outline: 1px dashed var(--green);
  outline-offset: 3px;
}

::selection {
  background: var(--green);
  color: var(--black);
}

/* Hidden on screen but still read out by screen readers (the page's heading). */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* The blinking block cursor. */
.cursor {
  display: inline-block;
  width: 0.6em;
  height: 1.1em;
  margin-left: 0.1em;
  vertical-align: text-bottom;
  background: var(--green);
  box-shadow: var(--glow);
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* CRT effect: scanlines and a dark vignette over everything. Clicks pass through. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  background:
    repeating-linear-gradient(to bottom, rgba(0, 0, 0, 0) 0 2px, rgba(0, 0, 0, 0.25) 2px 3px),
    radial-gradient(ellipse at center, rgba(0, 0, 0, 0) 60%, rgba(0, 0, 0, 0.6) 100%);
}

/* ---------- Boot screen (copied from carriemarkusen.net) ---------- */

/* Unlike the .net site, it's the whole page, so it always shows. */
.boot {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--gutter);
  background: var(--black);
  font-size: var(--h2-size);
}

.boot-inner {
  width: 100%;
  max-width: 48rem;
  margin: 0 auto;
}

/* The password prompt. It fades in once the welcome line has typed. */
.boot-login {
  display: flex;
  align-items: baseline;
  margin-top: 1.5em;
  visibility: hidden;
}

/* Hidden (not just transparent) until it appears, so it can't be tabbed to and submitted early. */
.boot-login.is-visible {
  visibility: visible;
}

.boot-login label {
  margin-right: 1ch;
}

/* The field has no box and no native caret; the blinking block cursor after it stands in. */
.boot-login input {
  width: 0;
  padding: 0;
  border: 0;
  background: none;
  color: var(--green);
  font: inherit;
  text-shadow: inherit;
  caret-color: transparent;
  outline: none;
}

/* Where "access denied. try again." and "coming soon." appear. */
.boot-message {
  min-height: 1.6em;
  margin-top: 0.5em;
  color: var(--white);
}