/* Nokhtebazi — the Vortal look: obsidian ground, portal violet, one colour per player. */
:root {
  color-scheme: dark;
  --ground: #0A0711;
  --panel: #120D1D;
  --panel-2: #1A1329;
  --line: #2A2140;
  --line-2: #3B2F59;
  --text: #EEE7F8;
  --dim: #A195B8;
  --faint: #756B8F;
  --violet: #A259FF;
  --orchid: #E05BC4;
  --lavender: #C9A7FF;
  --accent: var(--violet);
  --ink: #12041F;
  --live: #6FE3A6;
  --danger: #FF8FA3;
  --glass: rgba(18, 13, 29, .92);

  --display: "Chakra Petch", "Vazirmatn", "Bahnschrift", system-ui, sans-serif;
  --body: "IBM Plex Sans", "Vazirmatn", system-ui, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "Vazirmatn", ui-monospace, Consolas, monospace;
}
html[lang="fa"] { --body: "Vazirmatn", "IBM Plex Sans", system-ui, sans-serif; }

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; min-height: 100%; }
body {
  background: radial-gradient(rgba(162, 89, 255, .1) 1.2px, transparent 1.7px) 0 0 / 26px 26px, var(--ground);
  color: var(--text);
  font: 400 16px/1.55 var(--body);
  -webkit-font-smoothing: antialiased;
}
:focus-visible { outline: 2px solid var(--lavender); outline-offset: 3px; }
::selection { background: var(--accent); color: var(--ink); }
button { font: inherit; }

.skip {
  position: absolute; inset-inline-start: 16px; top: -48px; z-index: 50;
  padding: 10px 14px; background: var(--accent); color: var(--ink); font: 600 13px var(--mono);
}
.skip:focus { top: 12px; }

/* ---------- header ---------- */
.bar {
  position: absolute; inset: 0 0 auto 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px clamp(16px, 4vw, 40px);
}
body[data-screen="game"] .bar { display: none; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; direction: ltr; }
.mark { width: 15px; height: 18px; }
.brand span { font: 700 15px/1 var(--display); letter-spacing: .24em; text-transform: uppercase; }
.lang {
  padding: 8px 12px; background: none; border: 1px solid var(--line-2); border-radius: 2px;
  color: var(--text); cursor: pointer; font: 600 13px var(--body);
}
.lang:hover { border-color: var(--accent); }

/* ---------- shared pieces ---------- */
.eyebrow {
  display: flex; align-items: center; gap: 10px; margin: 0 0 16px;
  font: 500 12px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--lavender);
}
.eyebrow::before { content: ""; width: 6px; height: 6px; background: var(--accent); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 20px; border: 1px solid transparent; border-radius: 2px; background: none; cursor: pointer;
  font: 700 14px/1 var(--display); letter-spacing: .07em; text-transform: uppercase; color: var(--text);
  transition: background-color .15s, border-color .15s, color .15s, filter .15s;
}
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn--solid { background: var(--accent); color: var(--ink); box-shadow: inset 0 -3px 0 rgba(18, 4, 31, .35); }
.btn--solid:hover:not(:disabled) { filter: brightness(1.15); }
.btn--line { border-color: var(--line-2); }
.btn--line:hover:not(:disabled) { border-color: var(--accent); color: var(--lavender); }
.btn--quiet { color: var(--dim); padding-inline: 10px; }
.btn--quiet:hover { color: var(--text); }

.field { display: grid; gap: 8px; margin: 0; }
.field__label { font: 600 11px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--dim); }
input {
  width: 100%; min-width: 0; padding: 12px 13px;
  background: var(--ground); color: var(--text);
  border: 1px solid var(--line-2); border-radius: 2px;
  font: 500 16px var(--body);
}
input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(162, 89, 255, .25); }
input::placeholder { color: var(--faint); }

.swatches { display: flex; flex-wrap: wrap; gap: 10px; }
.swatch {
  width: 32px; height: 32px; padding: 0; border: 0; border-radius: 2px; cursor: pointer;
  background: var(--c); box-shadow: inset 0 -3px 0 rgba(0, 0, 0, .28);
}
.swatch[aria-pressed="true"] { outline: 2px solid var(--text); outline-offset: 3px; }

.choice { display: flex; border: 1px solid var(--line-2); }
.choice button {
  flex: 1; min-width: 0; display: grid; gap: 3px; justify-items: center;
  padding: 10px 6px; background: none; border: 0; border-inline-start: 1px solid var(--line-2);
  color: var(--dim); cursor: pointer; font: 600 13px/1.2 var(--body);
}
.choice button:first-child { border-inline-start: 0; }
.choice button:hover:not(:disabled) { color: var(--text); }
.choice small { font: 500 11px var(--mono); color: var(--faint); direction: ltr; }
.choice button[aria-pressed="true"] { background: var(--accent); color: var(--ink); }
.choice button[aria-pressed="true"] small { color: rgba(18, 4, 31, .72); }
.choice button:disabled { cursor: default; }

.dot { flex: none; width: 12px; height: 12px; border-radius: 50%; background: var(--c); box-shadow: 0 0 10px var(--c); }
.players { display: grid; gap: 2px; margin: 0; padding: 0; list-style: none; }
.players li { display: flex; align-items: center; gap: 10px; padding: 10px 12px; background: var(--panel-2); }
.pname { flex: 1; min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-weight: 600; }
.players b { font: 700 16px var(--mono); font-variant-numeric: tabular-nums; }
.badge {
  padding: 3px 6px; border: 1px solid var(--line-2);
  font: 600 10.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--lavender);
}
.presence { font: 500 11.5px var(--mono); color: var(--faint); }
.presence.is-on { color: var(--live); }
.note { margin: 0; color: var(--dim); font-size: 14px; }
.error { margin: 0; color: var(--danger); font-size: 14px; }

.card {
  display: grid; gap: 18px; width: min(460px, 100%);
  padding: clamp(20px, 4vw, 30px);
  background: var(--panel); border: 1px solid var(--line-2);
  box-shadow: 0 40px 90px -50px var(--accent);
}

/* ---------- home ---------- */
.home {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: clamp(32px, 5vw, 72px); align-items: center;
  max-width: 1180px; min-height: 100dvh; margin: 0 auto;
  padding: 96px clamp(16px, 4vw, 40px) 56px;
}
.title {
  margin: 0;
  font: 700 clamp(50px, 8.2vw, 108px)/.92 var(--display);
  letter-spacing: -.015em; text-transform: uppercase;
}
.title::after { content: "."; color: var(--orchid); }
.subtitle { margin: 12px 0 0; font: 600 18px var(--body); color: var(--lavender); }
.tagline { margin: 28px 0 0; font: 700 clamp(20px, 2.4vw, 26px)/1.25 var(--display); }
.how { max-width: 46ch; margin: 12px 0 0; color: var(--dim); }
.demo { display: block; width: min(100%, 320px); aspect-ratio: 1; margin-top: 28px; }

.panel {
  display: grid; gap: 22px;
  padding: clamp(18px, 3vw, 28px);
  background: var(--glass); border: 1px solid var(--line);
  box-shadow: 0 40px 90px -50px var(--accent);
}
.block { display: grid; gap: 12px; padding-top: 20px; border-top: 1px dashed var(--line-2); }
.block h2 { margin: 0; font: 700 17px var(--display); letter-spacing: .04em; text-transform: uppercase; }
.join { display: flex; gap: 8px; }
.join input { flex: 1; font-family: var(--mono); letter-spacing: .2em; text-transform: uppercase; direction: ltr; }

/* ---------- lobby ---------- */
.lobby { display: grid; place-items: center; min-height: 100dvh; padding: 96px 16px 48px; }
.code {
  font: 700 clamp(44px, 11vw, 72px)/1 var(--display); letter-spacing: .22em;
  text-align: center; direction: ltr; padding-inline-start: .22em;
}

/* ---------- game ---------- */
.game { position: fixed; inset: 0; overflow: hidden; }
#board { position: absolute; inset: 0; display: block; width: 100%; height: 100%; touch-action: none; cursor: grab; }
#board:active { cursor: grabbing; }
.hud__top {
  position: absolute; top: 12px; inset-inline: 12px;
  display: flex; align-items: center; gap: 12px; pointer-events: none;
}
.hud__top > * { pointer-events: auto; }
.icon-btn {
  display: grid; place-items: center; flex: none; width: 42px; height: 42px;
  background: var(--glass); border: 1px solid var(--line-2); border-radius: 2px; color: var(--text); cursor: pointer;
}
.icon-btn svg { width: 16px; height: 16px; }
html[dir="rtl"] .icon-btn svg { transform: scaleX(-1); }
.turn { flex: 1; display: flex; justify-content: center; min-width: 0; }
.turn:empty { visibility: hidden; }
.turn span, .turn button {
  display: inline-flex; align-items: center; gap: 10px; max-width: 100%;
  padding: 10px 16px; background: var(--glass); border: 1px solid var(--c, var(--line-2)); color: var(--text);
  box-shadow: 0 0 26px -8px var(--c, transparent);
  font: 700 15px/1.1 var(--display); letter-spacing: .05em; text-transform: uppercase;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.turn button { cursor: pointer; }
.hud__code {
  flex: none; padding: 10px 11px; background: var(--glass); border: 1px solid var(--line-2);
  font: 600 12px/1 var(--mono); letter-spacing: .16em; direction: ltr;
}
.scores {
  position: absolute; top: 66px; inset-inline: 12px;
  display: flex; flex-wrap: wrap; justify-content: center; gap: 6px;
  margin: 0; padding: 0; list-style: none; pointer-events: none;
}
.scores li {
  display: flex; align-items: center; gap: 8px; max-width: 220px;
  padding: 6px 10px; background: var(--glass); border: 1px solid var(--line); font-size: 13px;
}
.scores li.is-turn { border-color: var(--c); box-shadow: inset 0 -2px 0 var(--c); }
.scores li.is-away { opacity: .45; }
.scores b { font: 700 15px var(--mono); font-variant-numeric: tabular-nums; }
.zoom {
  position: absolute; bottom: 16px; inset-inline-end: 16px;
  display: flex; background: var(--glass); border: 1px solid var(--line-2);
}
.zoom button {
  min-width: 44px; height: 42px; padding: 0 10px;
  background: none; border: 0; border-inline-start: 1px solid var(--line-2);
  color: var(--text); cursor: pointer; font: 600 15px var(--mono);
}
.zoom button:first-child { border-inline-start: 0; }
.zoom button:hover { color: var(--lavender); }
.status {
  position: absolute; bottom: 16px; inset-inline-start: 16px; margin: 0;
  padding: 10px 12px; background: var(--glass); border: 1px solid var(--line-2);
  font: 500 12.5px var(--mono); color: var(--lavender);
}
.over {
  position: absolute; inset: 0; display: grid; place-items: center; padding: 16px;
  background: rgba(10, 7, 17, .6); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
}
.over__title { margin: 0; font: 700 clamp(28px, 6vw, 40px)/1.05 var(--display); text-transform: uppercase; overflow-wrap: anywhere; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }

.toast {
  position: fixed; bottom: 76px; left: 50%; z-index: 40; transform: translateX(-50%);
  max-width: calc(100% - 32px); padding: 11px 15px;
  background: var(--text); color: var(--ink); font: 600 13px/1.35 var(--body);
  box-shadow: 0 18px 44px rgba(0, 0, 0, .55);
}

@media (max-width: 860px) {
  .home { grid-template-columns: minmax(0, 1fr); align-items: start; padding-top: 80px; }
  .demo { width: min(100%, 240px); }
}
@media (max-width: 520px) {
  .choice button { padding-inline: 2px; font-size: 12px; }
  .hud__code { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .btn { transition: none; }
}