/* DX-Ball 2 Remake — modern UI. Remake by NIKOMEDIA 2026 */
:root {
  --cyan: #3ef0ff;
  --mag: #ff3ed8;
  --gold: #ffd24a;
  --acc: #3ef0ff;
  --acc2: #ff3ed8;
  --txt: #e8f2ff;
  --dim: #8fa2c4;
  --panel: rgba(8, 12, 26, 0.62);
  --line: rgba(130, 220, 255, 0.22);
  --good: #4c8dff;
  --bad: #ff4a4a;
  --neutral: #c8ccd8;
  --font: Bahnschrift, "DIN Alternate", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: #000; color: var(--txt); font-family: var(--font); overflow: hidden; }
body { user-select: none; -webkit-user-select: none; touch-action: none; }
#gl { position: fixed; inset: 0; width: 100vw; height: 100vh; display: block; }
#intro { position: fixed; inset: 0; width: 100vw; height: 100vh; object-fit: cover; opacity: 0; pointer-events: none; transition: opacity .6s; background: #000; }
#intro.show { opacity: 1; }
#ui { position: fixed; inset: 0; pointer-events: none; }
body.ingame #gl { cursor: none; }

.screen { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: opacity .45s, visibility 0s .45s; }
.screen.show { opacity: 1; visibility: visible; pointer-events: auto; transition: opacity .45s; }

/* ---------------------------------------------------------------- buttons */
.btn {
  pointer-events: auto; font: 600 15px/1 var(--font); letter-spacing: .22em; text-transform: uppercase; color: var(--txt);
  background: linear-gradient(180deg, rgba(40, 60, 100, .35), rgba(10, 16, 34, .55)); border: 1px solid var(--line);
  padding: 13px 26px; border-radius: 10px; cursor: pointer; position: relative; overflow: hidden; min-width: 210px; text-align: left;
  transition: transform .15s, border-color .2s, box-shadow .2s, background .2s; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.btn::after { content: ""; position: absolute; left: -60%; top: 0; width: 40%; height: 100%; background: linear-gradient(100deg, transparent, rgba(255,255,255,.25), transparent); transform: skewX(-20deg); transition: left .5s; }
.btn:hover, .btn:focus-visible, .btn.sel { border-color: var(--acc); box-shadow: 0 0 18px rgba(62, 240, 255, .35), inset 0 0 18px rgba(62, 240, 255, .12); transform: translateX(6px); outline: none; }
.btn:hover::after, .btn.sel::after { left: 120%; }
.btn.primary { border-color: rgba(62, 240, 255, .55); background: linear-gradient(180deg, rgba(30, 140, 190, .45), rgba(12, 40, 80, .6)); }
.btn.ghost { background: rgba(10, 14, 28, .35); color: var(--dim); }
.btn:active { transform: translateX(6px) scale(.98); }

/* ---------------------------------------------------------------- gate */
.gate { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.gate-ball { width: 110px; height: 110px; border-radius: 50%; background: conic-gradient(from 0deg, #e01010 0 25%, #f0ece8 0 50%, #e01010 0 75%, #f0ece8 0); box-shadow: inset -18px -22px 40px rgba(0,0,0,.6), inset 10px 12px 30px rgba(255,255,255,.4), 0 0 60px rgba(255, 60, 60, .35); animation: spin 3s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.gate-title { font-size: clamp(44px, 9vw, 96px); font-weight: 800; letter-spacing: .08em; background: linear-gradient(180deg, #fff, #9fdcff 45%, #3a6cff 55%, #c9f4ff); -webkit-background-clip: text; background-clip: text; color: transparent; filter: drop-shadow(0 0 22px rgba(62,240,255,.55)); }
.gate-sub { letter-spacing: .5em; color: var(--dim); font-size: 13px; margin-top: -10px; }
.gate .btn { text-align: center; margin-top: 18px; }
.hint { color: var(--dim); font-size: 12px; letter-spacing: .15em; }
.err { color: #ff8080; max-width: 520px; font-size: 14px; line-height: 1.5; }

/* ---------------------------------------------------------------- intro credits */
.credits-seq { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(0,0,0,.75)); display: flex; align-items: flex-end; justify-content: center; padding-bottom: 12vh; pointer-events: none; }
.cr { position: absolute; bottom: 12vh; text-align: center; opacity: 0; transform: translateY(20px); transition: opacity 1s, transform 1.2s; text-shadow: 0 2px 20px #000, 0 0 40px rgba(0,0,0,.9); }
.cr.show { opacity: 1; transform: none; }
.cr small { display: block; letter-spacing: .5em; font-size: 13px; color: #cfe6ff; margin-bottom: 8px; }
.cr b { display: block; font-size: clamp(34px, 6vw, 72px); letter-spacing: .12em; font-weight: 800; }
.cr span { display: block; font-size: clamp(14px, 1.8vw, 22px); letter-spacing: .2em; margin-top: 6px; }
.cr .dim { color: #a8bcd8; font-size: 14px; }
.niko { background: linear-gradient(90deg, var(--gold), #ff8a3d, var(--mag)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.skip { position: absolute; right: 28px; bottom: 22px; color: rgba(255,255,255,.55); font-size: 12px; letter-spacing: .2em; }

/* ---------------------------------------------------------------- title */
#s-title { justify-content: flex-start; align-items: center; padding-left: 6vw; }
.title-wrap { display: flex; flex-direction: column; gap: 14px; max-width: min(46vw, 760px); }
#logo { width: min(44vw, 720px); filter: drop-shadow(0 0 30px rgba(62, 240, 255, .35)); animation: logoIn 1.4s cubic-bezier(.2, 1.4, .3, 1) both, logoFloat 6s ease-in-out 1.4s infinite; }
@keyframes logoIn { from { opacity: 0; transform: scale(1.3) translateY(-30px); filter: blur(12px); } to { opacity: 1; transform: none; } }
@keyframes logoFloat { 50% { transform: translateY(-6px); } }
.tagline { letter-spacing: .45em; font-size: 13px; color: var(--dim); margin: -4px 0 14px 8px; text-transform: uppercase; }
.menu { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.menu .btn { animation: btnIn .6s both; }
.menu .btn:nth-child(1) { animation-delay: .5s } .menu .btn:nth-child(2) { animation-delay: .58s } .menu .btn:nth-child(3) { animation-delay: .66s }
.menu .btn:nth-child(4) { animation-delay: .74s } .menu .btn:nth-child(5) { animation-delay: .82s } .menu .btn:nth-child(6) { animation-delay: .9s }
@keyframes btnIn { from { opacity: 0; transform: translateX(-30px); } }
.foot { position: absolute; left: 0; right: 0; bottom: 14px; display: flex; justify-content: center; gap: 28px; flex-wrap: wrap; font-size: 12px; letter-spacing: .12em; color: var(--dim); text-shadow: 0 1px 6px #000; padding: 0 16px; }
.foot .niko { font-weight: 700; }

/* ---------------------------------------------------------------- panels */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 26px 30px; backdrop-filter: blur(18px) saturate(1.3); -webkit-backdrop-filter: blur(18px) saturate(1.3);
  box-shadow: 0 30px 80px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.08); width: min(640px, 94vw); max-height: 92vh; overflow: auto; }
.panel.wide { width: min(1180px, 96vw); }
.panel.small { width: min(440px, 94vw); }
.panel h2 { margin: 0 0 18px; font-size: 22px; letter-spacing: .3em; text-transform: uppercase; font-weight: 700; color: #fff; }
.panel h2::after { content: ""; display: block; width: 70px; height: 3px; margin-top: 10px; background: linear-gradient(90deg, var(--cyan), var(--mag)); border-radius: 2px; }
.row { display: flex; gap: 12px; align-items: center; margin-top: 20px; flex-wrap: wrap; }
.row .btn { min-width: 0; text-align: center; }
.grow { flex: 1; }
.panel::-webkit-scrollbar { width: 8px; } .panel::-webkit-scrollbar-thumb { background: rgba(120,200,255,.25); border-radius: 4px; }

/* set cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { position: relative; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); cursor: pointer; aspect-ratio: 16 / 8.2; background: #050810 center/cover no-repeat; transition: transform .2s, border-color .2s, box-shadow .2s; }
.card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.05) 30%, rgba(0,0,0,.85)); }
.card:hover { transform: translateY(-3px); }
.card.sel { border-color: var(--cyan); box-shadow: 0 0 0 1px var(--cyan), 0 0 30px rgba(62,240,255,.35); }
.card .ci { position: absolute; left: 14px; right: 14px; bottom: 10px; }
.card .cn { font-size: 20px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.card .cs { font-size: 12px; color: #c4d2ea; letter-spacing: .08em; margin-top: 2px; }
.card .cm { display: flex; justify-content: space-between; margin-top: 8px; font-size: 12px; color: var(--dim); letter-spacing: .08em; }
.card .stars { color: var(--gold); letter-spacing: .1em; }
.card .best { color: var(--gold); }
.setup { margin-top: 18px; }
.seg { display: flex; align-items: center; gap: 6px; }
.seg label { color: var(--dim); font-size: 12px; letter-spacing: .2em; text-transform: uppercase; margin-right: 6px; }
.seg button { pointer-events: auto; font: 600 13px var(--font); letter-spacing: .1em; color: var(--dim); background: rgba(10,16,32,.6); border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; cursor: pointer; }
.seg button.on { color: #001018; background: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 14px rgba(62,240,255,.5); }

/* options */
.opts { display: grid; grid-template-columns: 1fr auto; gap: 12px 18px; align-items: center; }
.opts label { color: #cfdcf2; letter-spacing: .1em; font-size: 14px; }
.opts input[type=range] { width: 220px; accent-color: var(--cyan); pointer-events: auto; }
.opts .seg button { padding: 6px 10px; font-size: 12px; }

/* howto */
.howto-cols { display: grid; grid-template-columns: 1fr 2fr; gap: 26px; }
.controls { font-size: 14px; line-height: 1.7; color: #cfdcf2; }
.controls kbd { display: inline-block; min-width: 24px; text-align: center; padding: 1px 7px; margin-right: 6px; border-radius: 5px; border: 1px solid var(--line); background: rgba(20,30,60,.6); font: 600 12px var(--font); color: #fff; }
.controls h3, .legend h3 { margin: 0 0 8px; font-size: 13px; letter-spacing: .25em; color: var(--dim); text-transform: uppercase; }
.legend { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 18px; align-content: start; }
.legend h3 { grid-column: 1 / -1; }
.lg { display: flex; gap: 10px; align-items: center; font-size: 13px; }
.lg canvas { width: 34px; height: 34px; flex: none; border-radius: 8px; }
.lg b { display: block; font-size: 13px; letter-spacing: .06em; }
.lg span { color: var(--dim); font-size: 12px; line-height: 1.3; }

/* scores */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.tabs button { pointer-events: auto; font: 600 12px var(--font); letter-spacing: .12em; text-transform: uppercase; color: var(--dim); background: rgba(10,16,32,.6); border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; cursor: pointer; }
.tabs button.on { color: #001018; background: var(--cyan); }
table.scores { width: 100%; border-collapse: collapse; font-size: 16px; }
table.scores td { padding: 7px 8px; border-bottom: 1px solid rgba(130,200,255,.08); }
table.scores td:first-child { color: var(--dim); width: 36px; text-align: right; }
table.scores td.s { text-align: right; font-variant-numeric: tabular-nums; color: #fff; font-weight: 700; }
table.scores td.b { text-align: right; color: var(--dim); font-size: 13px; }
table.scores tr.hl td { color: var(--gold) !important; animation: hl 1s infinite alternate; }
table.scores tr:first-child td.s { color: var(--gold); }
@keyframes hl { to { text-shadow: 0 0 14px var(--gold); } }

/* credits */
.credits { text-align: center; }
.credits h2::after { margin: 10px auto 0; }
.credits p { line-height: 1.6; color: #cfdcf2; }
.credits .big { font-size: 26px; font-weight: 800; letter-spacing: .2em; color: #fff; margin: 4px 0; }
.credits .dim { color: var(--dim); font-size: 13px; }
.credits hr { border: 0; height: 1px; background: var(--line); margin: 18px 0; }

/* ---------------------------------------------------------------- HUD */
#hud { position: absolute; inset: 0; opacity: 0; transition: opacity .5s; pointer-events: none; }
#hud.show { opacity: 1; }
.hud-side { position: absolute; display: flex; flex-direction: column; gap: 6px; width: 210px; padding: 18px 18px; border-radius: 16px;
  background: linear-gradient(180deg, rgba(8, 12, 26, .55), rgba(8, 12, 26, .25)); border: 1px solid rgba(130,220,255,.14); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.h-label { font-size: 11px; letter-spacing: .3em; color: var(--dim); text-transform: uppercase; margin-top: 8px; }
.h-label:first-child { margin-top: 0; }
.h-score { font-size: 38px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: .02em; color: #fff; text-shadow: 0 0 18px color-mix(in srgb, var(--acc) 60%, transparent); line-height: 1; }
.h-score.bump { animation: bump .25s; }
@keyframes bump { 40% { transform: scale(1.08); color: var(--acc); } }
.h-badge { display: none; align-self: flex-start; padding: 2px 8px; border-radius: 6px; background: #4bff6a; color: #002208; font-weight: 800; font-size: 13px; box-shadow: 0 0 16px #4bff6a; animation: pulse .5s infinite alternate; }
.h-badge.on { display: block; }
@keyframes pulse { to { transform: scale(1.1); } }
.h-board b { font-size: 22px; color: #fff; display: block; }
.h-board span { font-size: 13px; color: var(--acc); letter-spacing: .1em; }
.h-lives { display: flex; flex-wrap: wrap; gap: 5px; }
.h-lives i { width: 30px; height: 9px; border-radius: 5px; background: linear-gradient(180deg, #fff, #9aa4b8 50%, #4a5262); box-shadow: inset 6px 0 0 #3c78ff, inset -6px 0 0 #3c78ff, 0 0 8px rgba(80,140,255,.5); }
.h-lives i.pop { animation: pop .6s; }
@keyframes pop { 30% { transform: scale(1.6); box-shadow: 0 0 20px #fff; } }
.h-players { font-size: 13px; color: var(--dim); margin-top: 10px; line-height: 1.6; }
.h-players b { color: #fff; }
.h-fx { display: flex; flex-direction: column; gap: 5px; min-height: 30px; }
.chip { display: flex; align-items: center; gap: 8px; font-size: 12px; letter-spacing: .08em; padding: 4px 8px; border-radius: 8px; background: rgba(20,30,60,.5); border-left: 3px solid var(--good); animation: chipIn .3s; }
.chip.bad { border-color: var(--bad); } .chip.neutral { border-color: var(--neutral); }
.chip canvas { width: 20px; height: 20px; }
.chip .t { margin-left: auto; color: var(--dim); font-variant-numeric: tabular-nums; }
@keyframes chipIn { from { opacity: 0; transform: translateX(10px); } }
.bar { height: 6px; border-radius: 3px; background: rgba(255,255,255,.08); overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--cyan), #fff); box-shadow: 0 0 10px var(--cyan); transition: width .15s; }
.bar.magnet i { background: linear-gradient(90deg, #8a5cff, var(--mag)); box-shadow: 0 0 10px var(--mag); }
.h-combo { font-size: 30px; font-weight: 800; color: var(--gold); text-shadow: 0 0 18px rgba(255,200,60,.7); min-height: 36px; margin-top: 10px; opacity: 0; transition: opacity .3s; }
.h-combo.on { opacity: 1; }
.h-combo small { font-size: 12px; letter-spacing: .3em; color: #ffe7a0; display: block; }
.h-charms { font-size: 13px; color: #c9a8ff; letter-spacing: .1em; }
.h-center { position: absolute; text-align: center; pointer-events: none; }
.h-msg { font-size: clamp(30px, 4.6vw, 64px); font-weight: 800; letter-spacing: .14em; color: #fff; text-shadow: 0 0 30px var(--acc), 0 4px 18px #000; opacity: 0; transform: scale(.8); transition: opacity .35s, transform .5s cubic-bezier(.2,1.5,.3,1); }
.h-msg.show { opacity: 1; transform: none; }
.h-sub { font-size: clamp(15px, 1.8vw, 24px); letter-spacing: .3em; color: var(--acc); text-transform: uppercase; margin-top: 8px; opacity: 0; transition: opacity .4s .15s; text-shadow: 0 2px 10px #000; }
.h-sub.show { opacity: 1; }
.h-hint { margin-top: 26px; font-size: 13px; letter-spacing: .35em; color: #dfeaff; opacity: 0; text-transform: uppercase; text-shadow: 0 2px 8px #000; }
.h-hint.show { animation: hint 1.4s infinite; }
@keyframes hint { 0%, 100% { opacity: .25; } 50% { opacity: 1; } }
.h-toast { position: absolute; transform: translateX(-50%); font-size: 18px; font-weight: 700; letter-spacing: .25em; text-transform: uppercase; padding: 8px 18px; border-radius: 10px; opacity: 0; white-space: nowrap; background: rgba(6,10,22,.6); border: 1px solid currentColor; text-shadow: 0 0 12px currentColor; }
.h-toast.show { animation: toast 1.6s forwards; }
@keyframes toast { 0% { opacity: 0; transform: translate(-50%, 16px) scale(.8); } 12% { opacity: 1; transform: translate(-50%, 0) scale(1.05); } 20% { transform: translate(-50%, 0) scale(1); } 75% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%, -14px); } }
.h-fps { position: absolute; right: 10px; top: 8px; font: 12px monospace; color: #8f8; display: none; }
.h-fps.on { display: block; }

/* compact HUD (narrow screens) */
#hud.compact .hud-side { width: auto; flex-direction: row; flex-wrap: wrap; gap: 4px 14px; padding: 8px 12px; align-items: baseline; }
#hud.compact .h-label { display: none; }
#hud.compact .h-score { font-size: 24px; }
#hud.compact .bar, #hud.compact .h-fx, #hud.compact .h-players, #hud.compact .h-charms { display: none; }
#hud.compact .h-combo { font-size: 18px; min-height: 0; margin: 0; }

/* game over */
.over-score { font-size: 46px; font-weight: 800; color: var(--gold); text-shadow: 0 0 24px rgba(255,200,60,.6); margin: 4px 0 12px; font-variant-numeric: tabular-nums; }
#over-who { color: #cfdcf2; letter-spacing: .1em; }
#over-name { pointer-events: auto; width: 100%; font: 700 22px var(--font); letter-spacing: .15em; text-transform: uppercase; color: #fff; background: rgba(10,16,32,.7); border: 1px solid var(--cyan); border-radius: 10px; padding: 12px 14px; outline: none; box-shadow: 0 0 20px rgba(62,240,255,.25); user-select: text; }

@media (max-width: 900px) {
  #s-title { padding-left: 0; justify-content: center; align-items: flex-end; padding-bottom: 60px; }
  .title-wrap { align-items: center; max-width: 92vw; }
  #logo { width: 86vw; }
  .menu { align-items: center; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .howto-cols { grid-template-columns: 1fr; }
  .legend { grid-template-columns: 1fr; }
}
@media (max-height: 640px) { .menu .btn { padding: 9px 20px; } #logo { width: min(36vw, 520px); } }
#hud.compact .hud-side.right { background: none; border: 0; backdrop-filter: none; -webkit-backdrop-filter: none; }