/* Pocket Nukes - bunker concrete, launch-key amber, and hardware-panel chrome.
   The variable names are inherited from the engine's first life underwater;
   what matters is the values. */

:root {
  --abyss: #0b0a12;
  --deep: #14121e;
  --panel: #1c1826;
  --panel-2: #262033;
  --edge: #453a55;
  --edge-soft: #352c42;

  --ink: #f3ecff;
  --ink-dim: #b3a6c9;
  --ink-faint: #7d6f96;

  --sonar: #ffb545;
  --sonar-dim: #b57718;
  --amber: #ffb545;
  --crimson: #ff5c6c;
  --azure: #4aa8ff;

  --p1: #4aa8ff;
  --p2: #ff8a4a;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.55);
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

/* `display: grid` on .modes would otherwise beat the browser default for
   [hidden], leaving the play buttons visible to signed-out visitors. */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--abyss);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

body {
  background:
    radial-gradient(1200px 700px at 50% -10%, #2a1f38 0%, transparent 62%),
    radial-gradient(800px 500px at 85% 100%, #301a18 0%, transparent 60%),
    var(--abyss);
}

button { font: inherit; color: inherit; cursor: pointer; }
a { color: var(--sonar); }

/* ---- Shell ------------------------------------------------------------ */

.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 18px 48px;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 19px;
  text-decoration: none;
  color: var(--ink);
}

.brand svg { width: 30px; height: 30px; flex: none; }
.brand span i { color: var(--sonar); font-style: normal; }

.topbar-spacer { flex: 1; }

.nav-link {
  background: none;
  border: 0;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--ink-dim);
  font-weight: 500;
  font-size: 14px;
}
.nav-link:hover { color: var(--ink); background: rgba(255, 255, 255, 0.05); }

.icon-btn { font-size: 15px; line-height: 1; padding: 8px 10px; }
/* Muted reads as "off" at a glance rather than needing the icon to be read. */
.icon-btn[aria-pressed="true"] { opacity: 0.45; }

.account { display: flex; align-items: center; gap: 10px; }
.account img { width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--edge); }
.account .who { font-size: 14px; font-weight: 600; }

/* ---- Cards and panels ------------------------------------------------- */

.panel {
  background: linear-gradient(180deg, var(--panel) 0%, var(--deep) 100%);
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero {
  text-align: center;
  padding: 44px 24px 36px;
  margin-bottom: 26px;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(34px, 6vw, 54px);
  letter-spacing: -0.035em;
  line-height: 1.02;
}
.hero h1 i { color: var(--sonar); font-style: normal; }

.hero p {
  margin: 0 auto;
  max-width: 560px;
  color: var(--ink-dim);
  font-size: 16px;
  line-height: 1.6;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-faint);
}
.hero-stats b { color: var(--sonar); font-weight: 600; }

.modes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(232px, 1fr));
  gap: 14px;
  margin-bottom: 26px;
}

.mode {
  position: relative;
  text-align: left;
  padding: 20px;
  background: linear-gradient(180deg, var(--panel) 0%, var(--deep) 100%);
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius);
  transition: border-color 0.16s, transform 0.16s, box-shadow 0.16s;
}
.mode:hover:not(:disabled) {
  border-color: var(--sonar-dim);
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
}
.mode:disabled { opacity: 0.42; cursor: not-allowed; }
.mode h3 { margin: 0 0 6px; font-size: 17px; letter-spacing: -0.01em; }
.mode p { margin: 0; font-size: 13.5px; color: var(--ink-dim); line-height: 1.5; }
.mode .glyph { font-size: 22px; margin-bottom: 12px; display: block; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 800px) { .grid-2 { grid-template-columns: 1fr; } }

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 18px;
  border-bottom: 1px solid var(--edge-soft);
}
.panel-head h2 { margin: 0; font-size: 14px; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-dim); }
.panel-body { padding: 16px 18px; }

table.board { width: 100%; border-collapse: collapse; font-size: 14px; }
table.board th {
  text-align: left;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 600;
  padding: 0 8px 9px;
}
table.board td { padding: 8px; border-top: 1px solid rgba(255, 255, 255, 0.05); }
table.board td.num { font-family: var(--mono); text-align: right; }
table.board .rank { color: var(--ink-faint); font-family: var(--mono); width: 26px; }
table.board .who { display: flex; align-items: center; gap: 8px; }
table.board .who img { width: 22px; height: 22px; border-radius: 50%; }

.empty { color: var(--ink-faint); font-size: 14px; padding: 12px 0; text-align: center; }

/* ---- Buttons ---------------------------------------------------------- */

.btn {
  border: 1px solid var(--edge);
  background: var(--panel-2);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-weight: 600;
  font-size: 14px;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}
.btn:hover:not(:disabled) { background: #35294a; border-color: var(--sonar-dim); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(180deg, #ffb545 0%, #e08f1f 100%);
  border-color: #a86a12;
  color: #241300;
}
.btn-primary:hover:not(:disabled) { background: linear-gradient(180deg, #ffc76a 0%, #f0a02f 100%); }

.btn-danger { background: #3a1620; border-color: #6b2434; color: #ffb3bb; }
.btn-danger:hover:not(:disabled) { background: #4d1d2a; border-color: var(--crimson); }

.btn-row { display: flex; gap: 10px; flex-wrap: wrap; }

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

.screen { display: none; }
.screen.on { display: block; }

.arena {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--edge-soft);
  background: #0b0a12;
  box-shadow: var(--shadow);
  /* Cap the board by its WIDTH rather than its height. The canvas keeps
     width:100%/height:auto, so its bounding box stays exactly the drawing
     surface - letterboxing it with object-fit would silently break the
     pointer-to-world mapping that aiming depends on. */
  max-width: min(100%, calc((100vh - 330px) * 16 / 9));
  margin: 0 auto;
}
@media (max-width: 860px) {
  .arena { max-width: 100%; }
}

#board { display: block; width: 100%; height: auto; touch-action: none; cursor: crosshair; }

.scorebar {
  position: absolute;
  inset: 0 0 auto 0;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(10, 8, 16, 0.85) 0%, transparent 100%);
}

.side {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}
.side.right { flex-direction: row-reverse; text-align: right; }

.side .avatar {
  width: 34px; height: 34px; border-radius: 50%;
  border: 2px solid var(--p1);
  background: var(--panel-2);
  display: grid; place-items: center;
  font-weight: 700; font-size: 14px; flex: none;
  overflow: hidden;
}
.side.right .avatar { border-color: var(--p2); }
.side .avatar img { width: 100%; height: 100%; object-fit: cover; }

.side .meta { min-width: 0; flex: 1; }
.side .name {
  font-size: 13px; font-weight: 700;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.side.active .name { color: var(--sonar); }

.hp {
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
  margin-top: 4px;
}
.hp i { display: block; height: 100%; background: var(--p1); transition: width 0.4s ease; }
.side.right .hp i { background: var(--p2); float: right; }
.hp.low i { background: var(--crimson); }

.side .score {
  font-family: var(--mono);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.02em;
  flex: none;
  min-width: 46px;
  text-align: center;
}

.roundbar {
  position: absolute;
  top: 10px; left: 50%;
  transform: translateX(-50%);
  display: flex; align-items: center; gap: 12px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(4, 18, 30, 0.86);
  border: 1px solid var(--edge-soft);
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-dim);
  white-space: nowrap;
  pointer-events: none;
}
.roundbar b { color: var(--ink); font-weight: 600; }
.roundbar .cur { color: var(--sonar); }

.banner {
  position: absolute;
  left: 50%; top: 46%;
  transform: translate(-50%, -50%);
  padding: 16px 30px;
  border-radius: var(--radius);
  background: rgba(4, 18, 30, 0.93);
  border: 1px solid var(--edge);
  text-align: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s;
  box-shadow: var(--shadow);
}
.banner.on { opacity: 1; }
.banner h3 { margin: 0 0 4px; font-size: 22px; letter-spacing: -0.02em; }
.banner p { margin: 0; color: var(--ink-dim); font-size: 13.5px; }

.turnflag {
  position: absolute;
  left: 50%; bottom: 12px;
  transform: translateX(-50%);
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(4, 18, 30, 0.9);
  border: 1px solid var(--edge-soft);
  pointer-events: none;
  white-space: nowrap;
}

/* ---- Controls --------------------------------------------------------- */

.controls {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 12px;
  margin-top: 12px;
}
@media (max-width: 860px) { .controls { grid-template-columns: 1fr; } }

.weapons {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
}

.weapon-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(146px, 1fr));
  gap: 7px;
  max-height: 218px;
  overflow-y: auto;
  padding-right: 3px;
}

.wpn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--edge-soft);
  background: rgba(255, 255, 255, 0.026);
  text-align: left;
  transition: border-color 0.14s, background 0.14s;
  min-width: 0;
}
.wpn:hover:not(:disabled) { border-color: var(--sonar-dim); background: rgba(255, 181, 69, 0.07); }
.wpn.sel { border-color: var(--sonar); background: rgba(255, 181, 69, 0.13); }
.wpn:disabled { opacity: 0.3; cursor: not-allowed; }

.wpn .dot { width: 8px; height: 8px; border-radius: 2px; flex: none; }
.wpn .nm {
  flex: 1; min-width: 0;
  font-size: 12.5px; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.wpn .ct { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); flex: none; }

.wpn-desc {
  font-size: 12.5px;
  color: var(--ink-dim);
  line-height: 1.5;
  min-height: 38px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.24);
  border: 1px solid var(--edge-soft);
}
.wpn-desc b { color: var(--ink); }

.firing { padding: 12px; display: flex; flex-direction: column; gap: 11px; }

.dial-row { display: flex; gap: 12px; align-items: center; }

.dial {
  width: 92px; height: 92px; flex: none;
  position: relative;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 40%, #2c2438 0%, #16101f 70%);
  border: 1px solid var(--edge);
  touch-action: none;
  cursor: grab;
}
.dial canvas { width: 100%; height: 100%; display: block; border-radius: 50%; }

.readouts { flex: 1; display: flex; flex-direction: column; gap: 9px; }

.readout { display: flex; align-items: baseline; gap: 8px; }
.readout label {
  font-size: 10.5px; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--ink-faint); width: 52px; flex: none; font-weight: 600;
}
.readout output { font-family: var(--mono); font-size: 17px; font-weight: 600; min-width: 58px; }
.readout .bar { flex: 1; height: 5px; border-radius: 3px; background: rgba(255, 255, 255, 0.1); overflow: hidden; }
.readout .bar i { display: block; height: 100%; background: var(--sonar); }
.readout .bar.thrust i { background: var(--azure); }

input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 22px; background: transparent; margin: 0;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 5px; border-radius: 3px; background: rgba(255, 255, 255, 0.12);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 17px; height: 17px; margin-top: -6px;
  border-radius: 50%; background: var(--sonar);
  border: 2px solid #04202f; cursor: pointer;
}
input[type="range"]::-moz-range-track { height: 5px; border-radius: 3px; background: rgba(255, 255, 255, 0.12); }
input[type="range"]::-moz-range-thumb {
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--sonar); border: 2px solid #04202f; cursor: pointer;
}

.dial-row .readouts { min-width: 0; }

.thrusters { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; width: 104px; flex: none; }
.thrusters.drive { grid-template-columns: repeat(2, 1fr); align-content: center; }
.thrusters button {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 1px solid var(--edge-soft);
  background: rgba(255, 255, 255, 0.04);
  display: grid; place-items: center;
  font-size: 15px; line-height: 1;
  touch-action: none;
  user-select: none;
}
.thrusters button:hover:not(:disabled) { background: rgba(74, 168, 255, 0.16); border-color: var(--azure); }
.thrusters button:disabled { opacity: 0.25; cursor: not-allowed; }
.thrusters .blank { border: 0; background: none; pointer-events: none; }

.fire {
  width: 100%;
  padding: 13px;
  font-size: 15px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hint { font-size: 12px; color: var(--ink-faint); line-height: 1.5; }
kbd {
  font-family: var(--mono); font-size: 11px;
  padding: 1px 5px; border-radius: 4px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid var(--edge-soft);
}

/* ---- Dialogs ---------------------------------------------------------- */

dialog {
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel) 0%, var(--deep) 100%);
  color: var(--ink);
  padding: 0;
  max-width: 620px;
  width: calc(100% - 32px);
  box-shadow: var(--shadow);
}
dialog::backdrop { background: rgba(2, 8, 14, 0.76); backdrop-filter: blur(3px); }
dialog .panel-body { max-height: 66vh; overflow-y: auto; }
dialog h3 { margin: 0 0 6px; font-size: 17px; }

.wpn-doc { padding: 11px 0; border-top: 1px solid rgba(255, 255, 255, 0.06); }
.wpn-doc:first-child { border-top: 0; }
.wpn-doc h4 { margin: 0 0 3px; font-size: 14px; display: flex; align-items: center; gap: 8px; }
.wpn-doc p { margin: 0; font-size: 13px; color: var(--ink-dim); line-height: 1.5; }
.wpn-doc .tag {
  font-family: var(--mono); font-size: 10px; text-transform: uppercase;
  letter-spacing: 0.06em; padding: 2px 6px; border-radius: 4px;
  background: rgba(255, 255, 255, 0.07); color: var(--ink-faint); font-weight: 500;
}

.field { display: flex; gap: 8px; align-items: center; }
.field input[type="text"] {
  flex: 1;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  color: var(--ink);
  font: inherit;
}
.field input:focus { outline: none; border-color: var(--sonar-dim); }

.code-display {
  font-family: var(--mono);
  font-size: 40px;
  letter-spacing: 0.24em;
  text-align: center;
  color: var(--sonar);
  padding: 14px 0 6px;
  text-indent: 0.24em;
}

.toast {
  position: fixed;
  left: 50%; bottom: 24px;
  transform: translate(-50%, 20px);
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  background: var(--panel-2);
  border: 1px solid var(--edge);
  font-size: 14px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 50;
  max-width: min(420px, calc(100vw - 32px));
}
.toast.on { opacity: 1; transform: translate(-50%, 0); }
.toast.bad { border-color: var(--crimson); }

.muted { color: var(--ink-dim); }
.tiny { font-size: 12px; }
.mono { font-family: var(--mono); }
.center { text-align: center; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.spread { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.hidden { display: none !important; }

.signin-wrap { display: flex; flex-direction: column; align-items: center; gap: 14px; margin-top: 26px; }
.gsi-holder { min-height: 44px; }

.dot-live {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: var(--sonar); margin-right: 6px;
  animation: pulse 1.9s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.28; } }

.spinner {
  width: 17px; height: 17px;
  border: 2px solid rgba(255, 255, 255, 0.18);
  border-top-color: var(--sonar);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  display: inline-block;
  vertical-align: -3px;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

@media (max-width: 700px) {
  .shell { padding: 0 12px 32px; }

  /* The nav wrapped mid-word and pushed "Sign out" off the screen. Giving it
     its own row keeps every control reachable instead of clipped. */
  .topbar { flex-wrap: wrap; gap: 2px; padding: 12px 0 12px; }
  .brand { font-size: 17px; flex: 1 0 100%; margin-bottom: 4px; }
  .brand svg { width: 25px; height: 25px; }
  .topbar-spacer { display: none; }
  .nav-link { padding: 6px 8px; font-size: 12.5px; white-space: nowrap; }
  .account { gap: 6px; margin-left: auto; }
  .account .who { display: none; }

  /* The round strip moves below the scores instead of competing with them for
     the middle of a 375px board, which is what was squeezing the names out. */
  .scorebar { padding: 7px 8px 0; }
  .scorebar > div[style] { display: none; }
  .side .score { font-size: 16px; min-width: 30px; }
  .side .avatar { width: 26px; height: 26px; font-size: 12px; }
  .side .name { font-size: 11px; }
  .roundbar {
    top: auto; bottom: 8px; left: 8px; transform: none;
    font-size: 10px; padding: 4px 9px; gap: 8px;
  }
  .turnflag { left: auto; right: 8px; bottom: 8px; transform: none; font-size: 11.5px; padding: 5px 11px; }

  .controls { gap: 8px; margin-top: 8px; }
  .weapons, .firing { padding: 10px; gap: 8px; }
  .weapon-list { grid-template-columns: 1fr 1fr; max-height: 148px; gap: 6px; }
  .wpn { padding: 7px 8px; }
  .wpn .nm { font-size: 11.5px; }
  .wpn-desc { min-height: 0; font-size: 12px; }
  .dial { width: 76px; height: 76px; }
  .thrusters { width: 96px; }
  .readout output { font-size: 15px; min-width: 48px; }
  .hint { display: none; }

  /*
   * Fire floats.
   *
   * On a phone the board and the controls cannot both be on screen, and aiming
   * happens by dragging the board - so a Fire button parked at the bottom of a
   * scrolling panel would mean scrolling down to shoot and back up to see what
   * happened. Pinned to the corner it is reachable from wherever the player is
   * looking.
   */
  .fire {
    position: fixed;
    right: 12px;
    bottom: 12px;
    width: auto;
    padding: 13px 30px;
    z-index: 40;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.55);
  }
  #screen-game { padding-bottom: 64px; }
  .toast { bottom: 74px; }

  .code-display { font-size: 30px; }
  .hero { padding: 30px 16px 26px; }
  .hero-stats { flex-wrap: wrap; gap: 10px 18px; }
}