/*
 * Same palette as greed: the NES (2C02) colours the 1990s Mega Man games are
 * drawn with. Black stage backdrop, Mega Man's two blues, the cyan highlight,
 * the yellow of the energy bar, and the red used for damage.
 */
@font-face {
  font-family: 'Press Start 2P';
  src: url('/fonts/press-start-2p.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --void: #000000;
  --night: #00003c;
  --deep: #0000bc;
  --mega: #0070ec;
  --sky: #3cbcfc;
  --ice: #a4e4fc;
  --bolt: #f8b800;
  --cream: #fce4a0;
  --hurt: #f83800;
  --snow: #fcfcfc;
  --steel: #bcbcbc;
  --slate: #747474;

  --pixel: 'Press Start 2P', ui-monospace, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

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

html {
  background: var(--void);
  color: var(--snow);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  min-height: 100dvh;
  background-color: var(--void);
  /* A sparse, pixel-sharp starfield. */
  background-image:
    radial-gradient(1px 1px at 20px 30px, var(--steel) 99%, transparent),
    radial-gradient(1px 1px at 140px 90px, var(--slate) 99%, transparent),
    radial-gradient(2px 2px at 90px 160px, var(--mega) 99%, transparent),
    radial-gradient(1px 1px at 190px 210px, var(--steel) 99%, transparent);
  background-size: 240px 240px;
}

::selection {
  background: var(--bolt);
  color: var(--void);
}

a {
  color: var(--ice);
  text-decoration: underline;
  text-decoration-color: var(--mega);
  text-underline-offset: 3px;
}
a:hover {
  color: var(--snow);
  text-decoration-color: var(--bolt);
}
:focus-visible {
  outline: 2px solid var(--bolt);
  outline-offset: 3px;
}

.wrap {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 16px;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.label {
  font-family: var(--pixel);
  font-size: 0.5625rem;
  font-weight: 400;
  color: var(--sky);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0;
}

.sky {
  color: var(--sky);
}

/* Hero */

.hero {
  display: flex;
  gap: 1.5rem;
  align-items: stretch;
  padding: 4rem 0 3rem;
  border-bottom: 2px solid var(--mega);
}

/* Mega Man's life meter: a column of yellow ticks in a black frame. */
.energy {
  flex: none;
  width: 14px;
  border: 2px solid var(--snow);
  background: repeating-linear-gradient(
    to bottom,
    var(--cream) 0 2px,
    var(--bolt) 2px 4px,
    var(--void) 4px 6px
  );
  background-clip: content-box;
  padding: 2px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75em;
  margin: 1rem 0 1.25rem;
  font-family: var(--pixel);
  font-weight: 400;
  font-size: clamp(1.125rem, 6vw, 2.75rem);
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-shadow: 0.1em 0.1em 0 var(--deep);
}

.bubble {
  width: 1.4em;
  height: 1.4em;
  flex: none;
  animation: bob 1.6s steps(2, end) infinite;
}

.tagline {
  margin: 0 0 1.75rem;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--steel);
}

.links {
  margin: 0;
}

.btn {
  font-family: var(--pixel);
  font-size: 0.625rem;
  line-height: 1;
  padding: 0.75rem 1rem;
  border: 2px solid var(--sky);
  color: var(--snow);
  background: var(--deep);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
}
.btn:hover {
  background: var(--mega);
  color: var(--snow);
}
.btn svg {
  width: 14px;
  height: 14px;
}

/* Stage select */

main {
  flex: 1;
  padding: 2.5rem 0 3rem;
}

.select-title {
  margin-bottom: 1.25rem;
  color: var(--bolt);
}

.stages {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 1rem;
}

.stage {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  height: 100%;
  padding: 1.25rem;
  border: 2px solid var(--mega);
  background: var(--void);
  color: var(--snow);
  text-decoration: none;
  box-shadow: inset 0 0 0 2px var(--void), inset 0 0 0 4px var(--deep);
}

a.stage:hover,
a.stage:focus-visible {
  color: var(--snow);
  border-color: var(--bolt);
  box-shadow: inset 0 0 0 2px var(--void), inset 0 0 0 4px var(--bolt);
  outline: none;
}

.portrait {
  display: grid;
  place-items: center;
  width: 88px;
  height: 88px;
  margin-bottom: 0.5rem;
  border: 2px solid var(--sky);
  background: var(--night);
}
.portrait svg {
  width: 64px;
  height: 64px;
}
a.stage:hover .portrait,
a.stage:focus-visible .portrait {
  animation: flash 0.24s steps(1, end) infinite;
}

.stage-name {
  font-family: var(--pixel);
  font-size: 0.75rem;
  line-height: 1.6;
}

.stage-host {
  font-family: var(--pixel);
  font-size: 0.5rem;
  color: var(--sky);
  word-break: break-all;
}

.stage-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--steel);
}

.start {
  margin-top: auto;
  padding-top: 0.5rem;
  font-family: var(--pixel);
  font-size: 0.5625rem;
  color: var(--bolt);
  visibility: hidden;
}
a.stage:hover .start,
a.stage:focus-visible .start {
  visibility: visible;
  animation: blink 1s steps(1, end) infinite;
}

.locked {
  border-style: dashed;
  border-color: var(--slate);
  box-shadow: none;
}
.locked .portrait {
  border-color: var(--slate);
  background: var(--void);
}
.locked .stage-name,
.locked .stage-host {
  color: var(--slate);
}
.locked .stage-desc {
  color: var(--slate);
}
.qmark {
  font-family: var(--pixel);
  font-size: 2rem;
  color: var(--slate);
}

/* Footer */

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.25rem 0;
  border-top: 2px solid var(--deep);
  font-size: 0.8125rem;
  color: var(--slate);
}

/* 404 */

.over {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  text-align: center;
  padding: 4rem 0;
}
.over h1 {
  margin: 0;
  font-family: var(--pixel);
  font-weight: 400;
  font-size: clamp(1.25rem, 7vw, 2.5rem);
  color: var(--hurt);
  text-shadow: 0.1em 0.1em 0 var(--night);
}
.over p {
  margin: 0;
  color: var(--steel);
}

@keyframes blink {
  50% {
    visibility: hidden;
  }
}
@keyframes flash {
  50% {
    border-color: var(--bolt);
    background: var(--deep);
  }
}
@keyframes bob {
  50% {
    transform: translateY(-2px);
  }
}

@media (max-width: 40rem) {
  .hero {
    padding: 2.5rem 0 2rem;
    gap: 1rem;
  }
  .energy {
    width: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
  }
}