/* SETTINGS — the full-screen settings menu (settingsmenu.js), shared by the main
   menu and the in-game pause menu. Side-panel sections + content pane. */

.settings {
  --cy: #6fd8ee; --cy-dim: rgba(111,216,238,.24); --amber: #edb46e;
  --ink: #edf3f4; --mute: #7f97a1; --panel: rgba(8,18,25,.78);
  position: fixed; inset: 0; z-index: 30000; display: flex; flex-direction: column;
  color: var(--ink); font-family: 'Segoe UI', system-ui, sans-serif; pointer-events: auto;
  background:
    radial-gradient(ellipse at 70% 30%, rgba(40,90,110,.28), transparent 60%),
    linear-gradient(180deg, rgba(4,9,13,.94), rgba(4,9,13,.97));
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  animation: set-in .22s ease-out;
  --edge: clamp(16px, 2.6vw, 40px);
}
.settings[hidden], .settings [hidden] { display: none !important; }
.settings button, .settings input { font-family: inherit; }
@keyframes set-in { from { opacity: 0; transform: scale(1.015); } }
.settings::before { /* scanlines */
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(111,216,238,.025) 0 1px, transparent 1px 3px);
}
.settings svg { fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

/* ------------------------------- header ------------------------------- */
.set-top {
  position: relative; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: var(--edge) var(--edge) 14px; border-bottom: 1px solid var(--cy-dim);
}
.set-top::after { /* accent tick under the title */
  content: ''; position: absolute; left: var(--edge); bottom: -2px; width: 120px; height: 3px;
  background: var(--cy); box-shadow: 0 0 12px var(--cy);
}
.set-title { display: flex; align-items: center; gap: 12px; }
.set-title svg { width: 28px; height: 28px; color: var(--cy); }
.set-title span {
  font: 900 clamp(26px, 3vw, 38px)/1 'Big Shoulders Stencil', Impact, 'Arial Narrow', sans-serif;
  letter-spacing: .14em;
}
.set-top-right { display: flex; align-items: center; gap: 18px; }
.set-esc { color: var(--mute); font: 10px 'Share Tech Mono', monospace; letter-spacing: .18em; }
.set-esc kbd { border: 1px solid rgba(159,182,191,.4); border-radius: 3px; padding: 2px 6px; margin-right: 6px; font: inherit; }
.set-close {
  width: 40px; height: 40px; cursor: pointer; color: #b9d5de; font-size: 16px;
  border: 1px solid var(--cy-dim); background: var(--panel);
  transition: color .15s, background .15s, border-color .15s;
}
.set-close:hover, .set-close:focus-visible { color: #fff; border-color: var(--cy); background: rgba(16,44,56,.9); outline: none; }

/* -------------------------------- body -------------------------------- */
.set-body { flex: 1; min-height: 0; display: flex; }
.set-nav {
  flex: none; width: clamp(180px, 20vw, 260px); display: flex; flex-direction: column; gap: 6px;
  padding: 22px 0 var(--edge) var(--edge); border-right: 1px solid rgba(111,216,238,.12);
  background: linear-gradient(90deg, rgba(8,18,25,.55), transparent);
}
.set-tab {
  position: relative; display: flex; align-items: center; gap: 12px; cursor: pointer; text-align: left;
  padding: 13px 16px; border: none; background: none; color: var(--mute);
  font-size: 15px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  transition: color .15s, background .15s;
}
.set-tab i { font: normal 10px 'Share Tech Mono', monospace; letter-spacing: .1em; opacity: .7; }
.set-tab svg { width: 20px; height: 20px; flex: none; }
.set-tab:hover, .set-tab:focus-visible { color: #d6e8ee; background: rgba(111,216,238,.06); outline: none; }
.set-tab[aria-selected="true"] {
  color: #fff; background: linear-gradient(90deg, rgba(111,216,238,.2), rgba(111,216,238,.02));
}
.set-tab[aria-selected="true"]::before {
  content: ''; position: absolute; left: 0; top: 6px; bottom: 6px; width: 3px; background: var(--cy); box-shadow: 0 0 10px var(--cy);
}
.set-tab[aria-selected="true"] svg { color: var(--cy); }

.set-content { flex: 1; min-width: 0; overflow-y: auto; padding: 22px var(--edge) var(--edge); }
.set-page { max-width: 860px; }
.set-h {
  margin: 0 0 18px; font: 800 28px/1 'Big Shoulders Stencil', Impact, sans-serif; letter-spacing: .1em; text-transform: uppercase;
}
.set-credits { font-size:14px; line-height:1.6; overflow-wrap:anywhere; }
.set-credits h3 { margin:22px 0 8px; font-size:16px; color:var(--cy); }
.set-credits p { margin:8px 0; }
.set-credits .set-credit-url { color:#adc5cb; font-size:12px; }
.set-privacy-link { color:var(--cy); }
.set-privacy-button { padding:12px 18px; border:1px solid var(--cy); border-radius:4px; color:var(--ink); background:var(--panel); cursor:pointer; font-size:14px; font-weight:600; }
.set-privacy-button:disabled { opacity:.55; cursor:default; }
.set-privacy-button:focus-visible { outline:2px solid var(--cy); outline-offset:3px; }
.set-label {
  display: flex; align-items: center; gap: 10px; margin: 22px 0 10px;
  color: var(--cy); font: 11px 'Share Tech Mono', monospace; letter-spacing: .24em;
}
.set-label::after { content: ''; flex: 1; height: 1px; background: linear-gradient(90deg, var(--cy-dim), transparent); }
.set-auto { color: #8fd9a0; border: 1px solid rgba(143,217,160,.5); padding: 1px 6px; letter-spacing: .16em; }
.set-custom { color: var(--amber); border: 1px solid rgba(237,180,110,.5); padding: 1px 6px; letter-spacing: .16em; }

/* ------------------------------ presets ------------------------------- */
.set-presets { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.set-preset {
  position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 6px;
  cursor: pointer; text-align: left; padding: 16px 18px 18px; color: var(--ink);
  border: 1px solid var(--cy-dim); background: var(--panel);
  border-radius:6px;
  transition: border-color .15s, background .15s, transform .15s;
}
.set-preset strong { font: 800 26px/1 'Big Shoulders Stencil', Impact, sans-serif; letter-spacing: .12em; }
.set-preset small { color: var(--mute); font-size: 12px; line-height: 1.45; }
.set-autobtn {
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 14px; width: 100%; margin-top: 12px; padding: 10px 16px;
  text-align: left; color: inherit; font: inherit; cursor: pointer;
  border: 1px solid rgba(143,217,160,.35); background: var(--panel); transition: border-color .15s, background .15s;
}
.set-autobtn strong { color: #8fd9a0; font: 800 18px/1 'Big Shoulders Stencil', Impact, sans-serif; letter-spacing: .14em; }
.set-autobtn small { color: var(--mute); font-size: 12px; line-height: 1.45; }
.set-autobtn:hover, .set-autobtn:focus-visible { border-color: #8fd9a0; background: rgba(20,48,36,.8); outline: none; }
.set-autobtn.on { border-color: #8fd9a0; box-shadow: inset 0 0 0 1px rgba(143,217,160,.6); }
.set-autobtn.on strong::after { content: ' · ON'; }
.set-bars { display: flex; align-items: flex-end; gap: 3px; height: 16px; margin-bottom: 4px; }
.set-bars b { width: 6px; background: rgba(255,255,255,.14); }
.set-bars b:nth-child(1) { height: 6px; } .set-bars b:nth-child(2) { height: 11px; } .set-bars b:nth-child(3) { height: 16px; }
[data-preset="low"] .set-bars b:nth-child(1),
[data-preset="medium"] .set-bars b:nth-child(-n+2),
[data-preset="high"] .set-bars b { background: var(--cy); }
.set-preset:hover, .set-preset:focus-visible { border-color: var(--cy); background: rgba(16,44,56,.86); transform: translateY(-2px); outline: none; }
.set-preset.on { border-color: var(--cy); background: linear-gradient(160deg, rgba(111,216,238,.28), rgba(16,44,56,.9)); box-shadow: inset 0 0 0 1px var(--cy); }
.set-preset.on::after {
  content: 'ACTIVE'; position: absolute; top: 12px; right: 20px;
  color: #061117; background: var(--cy); padding: 2px 6px; font: 9px 'Share Tech Mono', monospace; letter-spacing: .18em;
}

/* ------------------------------ rows ---------------------------------- */
.set-rows { display: flex; flex-direction: column; gap: 6px; }
.set-row {
  display: flex; align-items: center; gap: 18px; padding: 12px 16px; cursor: pointer;
  border: 1px solid rgba(111,216,238,.12); border-left: 2px solid var(--cy-dim); background: rgba(8,18,25,.6);
  transition: border-color .15s, background .15s;
}
.set-row.slider { cursor: default; }
.set-row:hover { border-color: var(--cy-dim); border-left-color: var(--cy); background: rgba(16,44,56,.6); }
.set-meta { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.set-name { font-size: 14px; font-weight: 600; letter-spacing: .05em; }
.set-desc { color: var(--mute); font-size: 12px; }

.set-switch {
  flex: none; display: grid; grid-template-columns: 1fr 1fr; width: 110px; padding: 0; cursor: pointer;
  border: 1px solid var(--cy-dim); background: rgba(4,10,14,.8);
  font: 11px 'Share Tech Mono', monospace; letter-spacing: .16em;
}
.set-switch span { padding: 7px 0; text-align: center; color: var(--mute); transition: background .15s, color .15s; }
.set-switch:not(.on) span:first-child { background: rgba(255,255,255,.12); color: #d6e0e4; }
.set-switch.on span:last-child { background: var(--cy); color: #061117; font-weight: 700; }
.set-switch:focus-visible { outline: 1px solid var(--cy); outline-offset: 2px; }

.set-choices { display: flex; flex: none; border: 1px solid var(--cy-dim); }
.set-choices button {
  min-height: 40px; padding: 8px 16px; border: 0; cursor: pointer;
  color: var(--mute); background: rgba(4,10,14,.8); font-size: 12px;
}
.set-choices button + button { border-left: 1px solid var(--cy-dim); }
.set-choices button.on { color: #061117; background: var(--cy); font-weight: 700; }
.set-choices button:hover { color: var(--ink); background: rgba(111,216,238,.2); }
.set-choices button.on:hover { color: #061117; background: var(--cy); }
.set-choices button:focus-visible { outline: 1px solid var(--cy); outline-offset: 3px; }

.set-slider { flex: none; display: flex; align-items: center; gap: 12px; width: min(300px, 44vw); }
.set-slider input {
  -webkit-appearance: none; appearance: none; flex: 1; min-width: 0; height: 6px; margin: 0; cursor: pointer;
  background: linear-gradient(90deg, var(--cy) var(--fill, 50%), rgba(255,255,255,.12) var(--fill, 50%));
}
.set-slider input::-webkit-slider-thumb {
  -webkit-appearance: none; width: 12px; height: 20px; background: #eaf8fc; border: 1px solid var(--cy);
  box-shadow: 0 0 8px rgba(111,216,238,.7);
}
.set-slider input::-moz-range-thumb { width: 12px; height: 20px; border-radius: 0; background: #eaf8fc; border: 1px solid var(--cy); }
.set-slider input:focus-visible { outline: 1px solid var(--cy); outline-offset: 4px; }
.set-slider output {
  min-width: 62px; text-align: right; color: var(--cy); font: 14px 'Share Tech Mono', monospace; letter-spacing: .06em;
}

/* ---------------------------- key bindings ---------------------------- */
.set-keys { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 22px; }
.set-keys > div { display: flex; align-items: center; gap: 12px; padding: 7px 10px; color: #a5b8c0; font-size: 13px; background: rgba(8,18,25,.45); }
.set-keys .keys { display: flex; align-items: center; gap: 3px; flex: none; min-width: 150px; }
.set-keys kbd {
  min-width: 22px; padding: 3px 5px; text-align: center; color: #eaf4f7; border: 1px solid rgba(111,216,238,.35);
  border-bottom-width: 2px; background: rgba(4,10,14,.8); font: 11px 'Share Tech Mono', monospace;
}
.set-keys em { font-style: normal; color: var(--mute); }

@media (max-width: 760px) {
  .set-body { flex-direction: column; }
  .set-nav { width: auto; flex-direction: row; padding: 10px var(--edge) 0; border-right: none; border-bottom: 1px solid rgba(111,216,238,.12); background: none; }
  .set-tab { padding: 10px 12px; }
  .set-tab i { display: none; }
  .set-tab[aria-selected="true"]::before { left: 6px; right: 6px; top: auto; bottom: 0; width: auto; height: 3px; }
  .set-presets { grid-template-columns: minmax(0, 1fr); }
  .set-preset { flex-direction: row; align-items: center; flex-wrap: wrap; padding: 12px 14px; }
  .set-preset small { flex-basis: 100%; }
  .set-row { flex-wrap: wrap; }
  .set-choices { width: 100%; }
  .set-choices button { flex: 1; }
  .set-slider { width: 100%; }
  .set-keys { grid-template-columns: minmax(0, 1fr); }
  .set-esc { display: none; }
}