/* Shared building blocks (buttons, panels, pop-ups, form controls). Colours come from tokens.css. */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg-art), var(--bg);
  background-color: var(--bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: var(--grid-art);
  background-image: linear-gradient(rgb(var(--c1) / .06) 1px, transparent 1px), linear-gradient(90deg, rgb(var(--c1) / .06) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse at 50% 40%, #000 20%, transparent 75%);
}
button { font: inherit; color: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
.hidden { display: none !important; }
.muted { color: var(--muted); font-size: .85rem; }
.small { font-size: .78rem; }
.display { font-family: var(--display); text-transform: var(--display-case); letter-spacing: var(--display-spacing); }

.panel {
  background: var(--panel); border: 1px solid rgb(var(--line-c) / .18); border-radius: var(--radius);
  padding: 18px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}
.panel h2, .sec-title {
  margin: 0 0 14px; font-family: var(--display); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
  display: flex; align-items: center; gap: 8px; font-weight: 600;
}
[data-skin="arcade"] .panel h2, [data-skin="arcade"] .sec-title { font-size: .6rem; line-height: 1.6; }
.count { font-family: var(--font); font-size: .75rem; color: rgb(var(--c1)); border: 1px solid rgb(var(--c1) / .4); border-radius: 999px; padding: 1px 8px; letter-spacing: 0; }
.empty { color: var(--muted); font-size: .88rem; text-align: center; padding: 22px 10px; line-height: 1.5; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid rgb(var(--line-c) / .32); background: rgb(var(--ink) / .05); color: var(--text);
  padding: 10px 16px; border-radius: calc(var(--radius) - 3px); font-weight: 600; font-size: .92rem;
  transition: transform .1s, box-shadow .15s, border-color .15s, background .15s; white-space: nowrap;
}
.btn:hover { border-color: rgb(var(--c1)); box-shadow: 0 0 14px rgb(var(--c1) / calc(.25 * var(--glow-s) / .55)); }
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .4; pointer-events: none; }
.btn.sm { padding: 6px 12px; font-size: .82rem; }
.btn.primary { border: 0; color: var(--on-accent); background: linear-gradient(135deg, rgb(var(--c1)), rgb(var(--c3)) 55%, rgb(var(--c2))); box-shadow: 0 0 18px rgb(var(--c3) / calc(.8 * var(--glow-s))); }
[data-skin="classic"] .btn.primary, [data-skin="dark"] .btn.primary, [data-skin="light"] .btn.primary { background: rgb(var(--c1)); }
[data-skin="arcade"] .btn.primary { background: rgb(var(--c1)); box-shadow: 0 4px 0 rgb(var(--c4)); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; }
.btn.danger { border: 0; background: rgb(var(--c6)); color: #fff; }
.btn.danger-ghost:hover { border-color: rgb(var(--c6)); box-shadow: 0 0 14px rgb(var(--c6) / .3); }
.btn.waiting { border-color: rgb(var(--c4)); color: rgb(var(--c4)); }
.btn.on { border-color: rgb(var(--c5)); color: rgb(var(--c5)); }
.icon-btn { background: rgb(var(--ink) / .04); border: 1px solid rgb(var(--line-c) / .18); border-radius: 10px; width: 38px; height: 38px; display: inline-grid; place-items: center; font-size: 1rem; transition: .15s; color: var(--text); padding: 0; }
.icon-btn:hover { border-color: rgb(var(--c1)); }
.link-btn { background: none; border: 0; color: var(--muted); font-size: .8rem; text-decoration: underline dotted; padding: 4px; }

/* fields */
.field { display: grid; gap: 7px; margin-bottom: 14px; }
.field > span { font-size: .8rem; color: var(--muted); font-weight: 600; }
.input, .field input, .chat-form input {
  flex: 1; min-width: 0; background: var(--field); border: 1px solid rgb(var(--line-c) / .32); border-radius: 11px; padding: 10px 13px; outline: none; transition: .15s; color: var(--text);
}
.input:focus, .field input:focus, .chat-form input:focus { border-color: rgb(var(--c1)); box-shadow: 0 0 0 3px rgb(var(--c1) / .15); }

/* segmented choice */
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 6px; background: rgb(var(--ink) / .05); padding: 5px; border-radius: 12px; border: 1px solid rgb(var(--line-c) / .18); }
.seg button { border: 0; background: none; border-radius: 9px; padding: 9px 6px; font-weight: 600; font-size: .86rem; color: var(--muted); display: inline-flex; align-items: center; justify-content: center; gap: 7px; }
.seg button.on { background: rgb(var(--c1) / .16); color: var(--text); box-shadow: inset 0 0 0 1px rgb(var(--c1) / .5); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid rgb(var(--line-c) / .25); background: rgb(var(--ink) / .03); border-radius: 9px; padding: 7px 11px; font-weight: 700; font-size: .85rem; color: var(--text); }
.chip.on { border-color: rgb(var(--c2)); background: rgb(var(--c2) / .14); box-shadow: 0 0 12px rgb(var(--c2) / calc(.6 * var(--glow-s))); }

/* pop-ups */
.modal-wrap { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 16px; background: rgb(0 0 0 / .55); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); opacity: 0; transition: opacity .2s; }
.modal-wrap.in { opacity: 1; }
.modal {
  width: min(460px, 100%); max-height: calc(100dvh - 32px); overflow-y: auto;
  background: var(--modal-bg); border: 1px solid rgb(var(--line-c) / .3); border-radius: calc(var(--radius) + 4px);
  box-shadow: 0 30px 80px rgb(0 0 0 / .45), 0 0 40px rgb(var(--c3) / calc(.3 * var(--glow-s)));
  transform: translateY(10px) scale(.98); transition: transform .2s; color: var(--text);
}
.modal-wrap.in .modal { transform: none; }
.modal.wide { width: min(760px, 100%); }
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 18px 20px 4px; }
.modal-head h2 { margin: 0; font-family: var(--display); font-size: 1.02rem; letter-spacing: .06em; color: rgb(var(--c1)); text-shadow: var(--glow-c); text-transform: none; }
[data-skin="arcade"] .modal-head h2 { font-size: .8rem; line-height: 1.5; }
.modal-x { width: 32px; height: 32px; flex: none; }
.modal-body { padding: 14px 20px; }
.modal-body p { line-height: 1.55; color: var(--text-soft); }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 8px 20px 20px; flex-wrap: wrap; }
.sec { font-family: var(--display); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin: 18px 0 10px; font-weight: 600; }
[data-skin="arcade"] .sec { font-size: .58rem; }
.sec:first-child { margin-top: 2px; }

/* manual (how to play) */
.manual h3 { font-family: var(--display); font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: rgb(var(--c1)); margin: 18px 0 6px; }
[data-skin="arcade"] .manual h3 { font-size: .62rem; }
.manual h3:first-child { margin-top: 0; }
.manual p, .manual li { color: var(--text-soft); line-height: 1.55; font-size: .93rem; }
.manual ul { padding-left: 20px; margin: 6px 0; }
.manual b { color: var(--text); }
.manual svg { max-width: 100%; height: auto; }

.spinner { width: 14px; height: 14px; flex: none; border-radius: 50%; border: 2px solid rgb(var(--ink) / .15); border-top-color: rgb(var(--c1)); animation: spin .8s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

* { scrollbar-width: thin; scrollbar-color: rgb(var(--line-c) / .3) transparent; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: rgb(var(--line-c) / .25); border-radius: 8px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; } }