/* Page shell for the GBC web player. The #controller rules live in controller.css. */

:root {
  color-scheme: dark;
  --bg: #10131a;
  --panel: #1a1f2b;
  --line: #2b3242;
  --text: #e7ecf5;
  --muted: #96a0b5;
  --accent: #7dd3a0;
  --error: #ff8a8a;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 20px 16px 40px;
  touch-action: manipulation;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--accent); }

.bar {
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

h1 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.rom-info {
  margin: 0;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}

main {
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

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

#screen {
  position: relative;
  /* Cap at 3x the 160x144 screen, and keep it short enough to sit above the
     fold on a laptop. */
  width: min(100%, 480px, calc(58vh * 160 / 144));
  aspect-ratio: 160 / 144;
  background: #000;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

#screen canvas {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: #000;
}

#screen:fullscreen {
  width: 100vw;
  max-width: none;
  height: 100vh;
  aspect-ratio: auto;
  border: 0;
  border-radius: 0;
}

/* The drop target covers the screen until a ROM is running. */
#drop-hint {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 16px;
  border: 0;
  background: #0d1017;
  color: var(--muted);
  font: inherit;
  text-align: center;
  cursor: pointer;
}

#drop-hint strong { color: var(--text); font-size: 16px; }
#drop-hint code { font-size: 13px; }
body.running #drop-hint { display: none; }
body.dragging #drop-hint { display: flex; outline: 2px dashed var(--accent); outline-offset: -10px; }

/* --- toolbar -------------------------------------------------------------- */

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
}

button, select, .file-button {
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}

button:hover, select:hover, .file-button:hover { border-color: #3d4759; }
button:active { transform: translateY(1px); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.file-button { display: inline-flex; align-items: center; }
.file-button input { display: none; }

#status {
  width: 100%;
  margin: 0;
  min-height: 1.5em;
  color: var(--muted);
  font-size: 14px;
}

#status.error { color: var(--error); }

/* --- help ----------------------------------------------------------------- */

.help {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
}

.help h2 {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.help dl {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 4px 20px;
  margin: 0;
}

.help dl > div { display: flex; justify-content: space-between; gap: 12px; }
.help dt { color: var(--muted); }
.help dd {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}

.note, footer p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

footer { border-top: 1px solid var(--line); padding-top: 12px; }
footer p { margin: 0; }

/* --- bug guestbook -------------------------------------------------------- */

.guestbook {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
}

.guestbook h2 {
  margin: 0 0 4px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Build stamp: which ROM these reports are about. */
.gb-build {
  margin: 0 0 12px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  word-break: break-word;
}

#gb-form { display: flex; flex-direction: column; gap: 8px; }

.gb-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.guestbook input[type="text"], .guestbook textarea {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 14px;
}

.guestbook input[type="text"] { flex: 1 1 180px; min-width: 0; }
.guestbook textarea { width: 100%; resize: vertical; }
.guestbook ::placeholder { color: var(--muted); opacity: 1; }

#gb-form .gb-row:last-child { justify-content: space-between; }

.gb-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
}

.gb-check input { accent-color: var(--accent); }

/* Off-screen rather than display:none — bots skip fields they can tell are
   hidden, and this one is meant to be filled in. */
.gb-trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.gb-status {
  margin: 10px 0 0;
  min-height: 1.5em;
  color: var(--muted);
  font-size: 13px;
}

.gb-status.error { color: var(--error); }

.gb-filters { margin-top: 12px; }
.gb-filters select { font-size: 13px; padding: 5px 8px; }

#gb-more { align-self: flex-start; }

.gb-list {
  list-style: none;
  margin: 14px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.gb-list:empty { display: none; }

.gb-list li {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
}

/* Written but not yet accepted by the shared board. */
.gb-pending { border-style: dashed; }
.gb-pending .gb-meta { color: var(--error); }

.gb-meta {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  word-break: break-word;
}

.gb-body {
  margin: 0;
  align-self: stretch;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.gb-list img {
  width: 160px;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 4px;
  image-rendering: pixelated;
}

/* Keep page content clear of the fixed on-screen gamepad (touch devices). */
body.touch-gamepad { padding-bottom: 240px; }

/* Dock the gamepad opaquely at the bottom; the GB Studio styles float it and
   let the page show through, which is unreadable on a scrolling page. */
#controller {
  bottom: 0;
  transform: none;
  opacity: 1;
  background: var(--bg);
  border-top: 1px solid var(--line);
}

/* Phone in landscape: float the gamepad at the screen edges (d-pad left,
   buttons right) and fit the game between them, instead of stacking. */
@media (orientation: landscape) and (max-height: 520px) and (pointer: coarse) {
  body { padding-top: 10px; gap: 10px; }
  body.touch-gamepad { padding-bottom: 20px; }

  #screen { width: min(100%, calc((100vh - 90px) * 160 / 144)); }

  #controller {
    top: 0;
    height: 100%;
    background: none;
    border-top: 0;
    pointer-events: none;
  }

  #controller > * { pointer-events: auto; }

  #controller_dpad { bottom: auto; top: 50%; margin-top: -92px; }
  #controller_a { bottom: 50%; margin-bottom: 4px; }
  #controller_b { bottom: 50%; margin-bottom: -34px; }
  #controller_start, #controller_select { bottom: 24px; }
}

/* Diagonal pads, filling the corners of the d-pad's 3x3 grid (the arms sit on
   a 20/68/116px grid of 48px cells). Inset slightly and shaded a little darker
   so the eight pads stay distinguishable. */
#controller_upleft,
#controller_upright,
#controller_downleft,
#controller_downright {
  position: absolute;
  width: 44px;
  height: 44px;
  background: #5c5c5c;
  background: radial-gradient(ellipse at center, #5c5c5c 0%, #525252 80%);
}

#controller_upleft {
  left: 20px;
  top: 20px;
  border-top-left-radius: 4px;
}

#controller_upright {
  left: 120px;
  top: 20px;
  border-top-right-radius: 4px;
}

#controller_downleft {
  left: 20px;
  top: 120px;
  border-bottom-left-radius: 4px;
}

#controller_downright {
  left: 120px;
  top: 120px;
  border-bottom-right-radius: 4px;
}