/* Run! Flavinho, run! — NES palette only, hard pixel edges. */

:root {
  --black: #000000;
  --white: #FCFCFC;
  --dark-blue: #0000BC;
  --blue: #0058F8;
  --light-blue: #3CBCFC;
  --yellow: #F8B800;
  --red: #F83800;
  --salmon: #F87858;
  --gray: #7C7C7C;
  --tile: 32px;
  --hud-font: 12px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--black);
  color: var(--white);
  font-family: 'Press Start 2P', monospace;
  /* iOS Safari inflates text in landscape; keep our pixel sizes exact. */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-font-smoothing: none;
  font-smooth: never;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}

#screen {
  position: fixed;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  width: 100dvw;
  height: 100dvh;
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

[hidden] { display: none !important; }

button {
  font-family: inherit;
  font-size: inherit;
  color: var(--white);
  background: var(--black);
  border: 2px solid var(--white);
  border-radius: 0;
  padding: 0.6em 0.8em;
  cursor: pointer;
  pointer-events: auto;
}
button:hover, button:focus-visible { background: var(--dark-blue); outline: none; }
button:disabled { color: var(--gray); border-color: var(--gray); cursor: default; background: var(--black); }

/* --- Board overlay (positioned by JS over the canvas board) -------------- */

#board {
  position: fixed;
  pointer-events: none;
}

#hud {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: var(--tile);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 calc(var(--tile) * 0.25);
  font-size: var(--hud-font);
}
.hud-left { display: flex; gap: calc(var(--hud-font) * 0.5); }
#hud button {
  font-size: calc(var(--hud-font) * 0.8);
  padding: 0.3em 0.45em;
}
#btn-crt[aria-pressed="false"] { color: var(--gray); border-color: var(--gray); }
#title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  font-size: var(--hud-font);
  font-weight: normal;
  color: var(--yellow);
  white-space: nowrap;
}
.hud-right { white-space: nowrap; }
#mult { color: var(--salmon); }
body.expired .hud-right { visibility: hidden; }

#countdown-box {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.7em;
  text-align: center;
}
#countdown { line-height: 1; white-space: nowrap; color: var(--white); }
#countdown-sub { line-height: 1; white-space: nowrap; color: var(--yellow); }
#countdown-box.final #countdown { color: var(--red); animation: blink 0.8s steps(1) infinite; }
#countdown-box.final #countdown-sub { display: none; }

#message {
  position: absolute;
  left: 50%;
  bottom: calc(var(--tile) * 1.4);
  transform: translateX(-50%);
  max-width: 92%;
  padding: 0.9em 1.1em;
  background: var(--black);
  border: 2px solid var(--white);
  font-size: var(--hud-font);
  line-height: 1.7;
  text-align: center;
}
#message-text { animation: blink 1.2s steps(1) infinite; }

#btn-ranking {
  position: absolute;
  left: 50%;
  bottom: calc(var(--tile) * 1.2);
  transform: translateX(-50%);
  font-size: var(--hud-font);
}

@keyframes blink { 50% { visibility: hidden; } }

/* --- CRT scanlines (hard-edged stripes, toggleable) ----------------------- */

#crt {
  position: fixed;
  inset: 0;
  pointer-events: none;
  display: none;
  z-index: 4;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0, transparent 2px,
    rgba(0, 0, 0, 0.22) 2px, rgba(0, 0, 0, 0.22) 4px
  );
}
body.crt #crt { display: block; }

/* --- Virtual D-pad (touch, landscape) ------------------------------------- */

#dpad {
  position: fixed;
  left: max(16px, env(safe-area-inset-left));
  bottom: max(16px, env(safe-area-inset-bottom));
  width: 168px;
  height: 168px;
  display: none;
  grid-template-columns: repeat(3, 56px);
  grid-template-rows: repeat(3, 56px);
  grid-template-areas: ". up ." "left . right" ". down .";
  touch-action: none;
  z-index: 5;
  opacity: 0.55;
}
#dpad .btn {
  position: relative;
  border: 3px solid var(--white);
  background: rgba(0, 0, 0, 0.45);
}
#dpad .btn.active { background: var(--blue); }
#dpad .up { grid-area: up; }
#dpad .down { grid-area: down; }
#dpad .left { grid-area: left; }
#dpad .right { grid-area: right; }
/* Arrow glyphs as CSS triangles */
#dpad .btn::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  border: 10px solid transparent;
  transform: translate(-50%, -50%);
}
#dpad .up::after { border-bottom-color: var(--white); margin-top: -5px; }
#dpad .down::after { border-top-color: var(--white); margin-top: 5px; }
#dpad .left::after { border-right-color: var(--white); margin-left: -5px; }
#dpad .right::after { border-left-color: var(--white); margin-left: 5px; }

@media (pointer: coarse) and (orientation: landscape) {
  body:not(.expired):not(.modal-open):not(.splash) #dpad { display: grid; }
}

/* --- Start screen ---------------------------------------------------------- */

#splash {
  position: fixed;
  inset: 0;
  z-index: 15;
  display: none;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--black);
}
body.splash #splash { display: flex; }
/* Blurred, dimmed copy fills the bars around the letterboxed art. */
#splash::before {
  content: '';
  position: absolute;
  inset: -40px;
  background: url('../assets/splash.jpeg') center / cover no-repeat;
  filter: blur(20px) brightness(0.45);
}
/* The art itself is always shown whole (title included) at any aspect ratio. */
#splash img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}
#btn-start {
  position: relative;
  font-size: clamp(12px, 4vmin, 28px);
  padding: 1em 1.4em;
  color: var(--yellow);
  background: var(--black);
  border: 4px solid var(--white);
  outline: 4px solid var(--dark-blue);
  box-shadow: 0 0 0 8px rgba(0, 0, 0, 0.6);
  text-transform: uppercase;
  white-space: nowrap;
}
#btn-start:hover, #btn-start:focus-visible { background: var(--dark-blue); outline-color: var(--black); }
#btn-start span { animation: blink 1.2s steps(1) infinite; }

/* --- Rotate overlay (touch, portrait) -------------------------------------- */

#rotate {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 20;
  background: rgba(0, 0, 0, 0.7);
  text-align: center;
  font-size: 14px;
  line-height: 1.8;
  color: var(--yellow);
}
@media (pointer: coarse) and (orientation: portrait) {
  #rotate { display: flex; }
}

/* --- Modal --------------------------------------------------------------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right))
    max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  background: rgba(0, 0, 0, 0.6);
  touch-action: pan-y; /* scrolling only: no pinch or double-tap zoom */
  user-select: text;
  -webkit-user-select: text;
}
.modal-box {
  display: flex;
  flex-direction: column;
  width: min(480px, 100%);
  max-height: 100%;
  padding: 12px;
  background: var(--black);
  border: 4px solid var(--white);
  outline: 4px solid var(--dark-blue);
  font-size: 10px;
  line-height: 1.6;
  /* Scroll instead of clipping when the screen is short. */
  overflow-y: auto;
  overscroll-behavior: contain;
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
}
.modal-box h2 { margin: 0 0 4px; color: var(--red); font-size: 20px; font-weight: normal; text-align: center; }
.modal-box h3 { margin: 8px 0 0; color: var(--yellow); font-size: 11px; font-weight: normal; }
#final-score { margin: 0 0 8px; text-align: center; }

/* Replay / close sit right under the game-over message. */
.actions { display: flex; justify-content: center; gap: 8px; margin-bottom: 10px; }

#submit-form { display: flex; flex-direction: column; gap: 4px; }
.name-row { display: flex; gap: 6px; align-items: stretch; }
#name {
  flex: 1;
  min-width: 0;
  font-family: inherit;
  font-size: 11px;
  padding: 6px 8px;
  color: var(--white);
  background: var(--black);
  border: 2px solid var(--light-blue);
  border-radius: 0;
  outline: none;
}
#name::placeholder { color: var(--gray); opacity: 1; }
#name:focus { border-color: var(--yellow); }
#btn-submit { flex: none; padding: 0.5em 0.8em; }
.form-meta { display: flex; justify-content: space-between; gap: 8px; min-height: 1.6em; }
#submit-status { margin: 0; color: var(--yellow); }
#name-count { flex: none; color: var(--gray); font-size: 8px; white-space: nowrap; }
.note { margin: 2px 0 6px; color: var(--gray); font-size: 8px; }

#ranking-list {
  flex: 1 1 auto;
  min-height: 4.5em;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-y: auto;
  border: 2px solid var(--dark-blue);
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
}
#ranking-list li { display: flex; gap: 8px; padding: 3px 6px; }
#ranking-list li:nth-child(even) { background: #0000BC40; }
#ranking-list li.mine { background: var(--dark-blue); color: var(--yellow); }
#ranking-list li.empty { color: var(--gray); justify-content: center; }
#ranking-list .pos { width: 4ch; flex: none; color: var(--light-blue); }
#ranking-list .name { flex: 1; min-width: 0; overflow-wrap: anywhere; }
#ranking-list .tag { color: var(--salmon); font-size: 7px; }
#ranking-list .score { flex: none; }

@media (pointer: coarse) {
  #name { font-size: 16px; } /* prevents iOS zoom-on-focus */
}

/* Short screens (phones in landscape): game over + form on the left,
   ranking on the right, so everything fits without scrolling. */
@media (max-height: 500px) {
  .modal { padding: max(8px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right))
    max(8px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left)); }
  .modal-box {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: auto auto auto 1fr;
    column-gap: 14px;
    width: min(760px, 100%);
    height: min(100%, 320px);
    padding: 8px 10px 10px;
    font-size: 9px;
  }
  .modal-box h2 { grid-column: 1; grid-row: 1; font-size: 16px; }
  #final-score { grid-column: 1; grid-row: 2; margin-bottom: 6px; }
  .actions { grid-column: 1; grid-row: 3; margin-bottom: 8px; }
  #submit-form { grid-column: 1; grid-row: 4; align-self: start; }
  .modal-box h3 { grid-column: 2; grid-row: 1; margin: 0; align-self: end; }
  .note { grid-column: 2; grid-row: 2; margin: 0 0 4px; }
  #ranking-list { grid-column: 2; grid-row: 3 / 5; min-height: 0; }
  #name { padding: 4px 6px; }
}