/* (c) 2026 Md Shunam Al Anam - Shadow Arena */
/* Shadow Arena - styles. Everything scales with --u (1u = 1px at 960x540). */
:root {
  --u: 1px;
  --bg: #07060f;
  --red: #ff3d3d;
  --gold: #ffd54f;
  --cyan: #00e5ff;
  --panel: rgba(10, 8, 24, 0.82);
  --line: rgba(255, 255, 255, 0.2);
  --font: Impact, Haettenschweiler, 'Arial Narrow Bold', 'Arial Black', sans-serif;
  --body: 'Segoe UI', system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}
* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}
html,
body {
  margin: 0;
  height: 100%;
  background: #000;
  overflow: hidden;
  font-family: var(--body);
  color: #fff;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}
#app {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 40%, #1a1030, #000);
}
#frame {
  position: relative;
  width: calc(var(--u) * 960);
  height: calc(var(--u) * 540);
  background: var(--bg);
  overflow: hidden;
  box-shadow: 0 0 80px rgba(255, 61, 61, 0.15);
}
#game {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  image-rendering: auto;
}
#ui {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.screen {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--u) * 24);
  pointer-events: auto;
  animation: fadein 0.3s ease;
}
.screen.active {
  display: flex;
}
.screen.overlay {
  background: rgba(0, 0, 8, 0.72);
  backdrop-filter: blur(3px);
}
#s-loading,
#s-title {
  background: radial-gradient(circle at 50% 35%, #2a0f2e 0%, #07060f 70%);
}
#s-menu,
#s-select,
#s-stage,
#s-options,
#s-controls,
#s-howto,
#s-records,
#s-credits,
#s-result {
  background: linear-gradient(180deg, rgba(5, 4, 15, 0.78), rgba(5, 4, 15, 0.9));
}
@keyframes fadein {
  from {
    opacity: 0;
    transform: translateY(calc(var(--u) * 8));
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* logo */
.logo {
  font-family: var(--font);
  font-style: italic;
  text-align: center;
  line-height: 0.9;
  transform: skew(-6deg);
}
.logo span {
  display: block;
  font-size: calc(var(--u) * 78);
  letter-spacing: calc(var(--u) * 8);
  color: #fff;
  text-shadow:
    0 calc(var(--u) * 4) 0 #000,
    0 0 calc(var(--u) * 24) rgba(255, 61, 61, 0.7);
}
.logo b {
  display: block;
  font-size: calc(var(--u) * 128);
  letter-spacing: calc(var(--u) * 6);
  background: linear-gradient(180deg, #fff3b0 0%, #ffd54f 40%, #ff3d3d 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 calc(var(--u) * 5) 0 #000) drop-shadow(0 0 calc(var(--u) * 18) rgba(255, 90, 60, 0.6));
}
.logo em {
  display: block;
  margin-top: calc(var(--u) * 6);
  font-size: calc(var(--u) * 24);
  letter-spacing: calc(var(--u) * 12);
  color: var(--cyan);
  font-style: normal;
  text-transform: uppercase;
}
.logo.small span {
  font-size: calc(var(--u) * 40);
}
.logo.small b {
  font-size: calc(var(--u) * 64);
}
.logo.side {
  position: absolute;
  left: calc(var(--u) * 50);
  top: calc(var(--u) * 90);
  text-align: left;
}
.logo.side span {
  font-size: calc(var(--u) * 50);
}
.logo.side b {
  font-size: calc(var(--u) * 84);
}
.blink {
  font-family: var(--font);
  font-size: calc(var(--u) * 26);
  letter-spacing: calc(var(--u) * 5);
  margin-top: calc(var(--u) * 50);
  animation: blink 1.1s infinite;
  text-shadow: 0 2px 0 #000;
}
@keyframes blink {
  50% {
    opacity: 0.2;
  }
}
.legal {
  position: absolute;
  left: calc(var(--u) * 24);
  right: calc(var(--u) * 24);
  bottom: calc(var(--u) * 14);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: calc(var(--u) * 12);
  color: #aab;
}
.bar {
  width: calc(var(--u) * 420);
  height: calc(var(--u) * 10);
  border: 2px solid #fff;
  transform: skew(-14deg);
  margin-top: calc(var(--u) * 30);
}
.bar i {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--red), var(--gold));
  transition: width 0.2s;
}
.tip {
  margin-top: calc(var(--u) * 20);
  font-size: calc(var(--u) * 14);
  color: #ccd;
  max-width: calc(var(--u) * 620);
  text-align: center;
  min-height: calc(var(--u) * 40);
}

/* headings */
.title {
  position: absolute;
  top: calc(var(--u) * 16);
  left: 0;
  right: 0;
  text-align: center;
}
.title h2,
.box h2 {
  font-family: var(--font);
  font-style: italic;
  font-weight: 400;
  margin: 0;
  font-size: calc(var(--u) * 38);
  letter-spacing: calc(var(--u) * 5);
  text-shadow:
    0 calc(var(--u) * 3) 0 #000,
    0 0 calc(var(--u) * 14) rgba(255, 61, 61, 0.6);
}
.title p {
  margin: calc(var(--u) * 2) 0 0;
  font-size: calc(var(--u) * 13);
  color: var(--cyan);
  letter-spacing: calc(var(--u) * 3);
  text-transform: uppercase;
}
.hint {
  position: absolute;
  bottom: calc(var(--u) * 12);
  left: 0;
  right: 0;
  text-align: center;
  font-size: calc(var(--u) * 13);
  color: #bcc;
}

/* menus */
.menu {
  display: flex;
  flex-direction: column;
  gap: calc(var(--u) * 8);
  width: calc(var(--u) * 340);
}
#s-menu .menu {
  margin-left: auto;
  margin-right: calc(var(--u) * 70);
  margin-top: calc(var(--u) * 10);
}
.menu.compact {
  width: calc(var(--u) * 320);
  margin-top: calc(var(--u) * 12);
}
.menu.row {
  flex-direction: row;
  width: auto;
  justify-content: center;
  flex-wrap: wrap;
}
.menu.row .item {
  min-width: calc(var(--u) * 170);
}
.menu.list {
  width: 100%;
  gap: calc(var(--u) * 5);
}
.item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: calc(var(--u) * 12);
  padding: calc(var(--u) * 9) calc(var(--u) * 22);
  font-family: var(--font);
  font-style: italic;
  font-size: calc(var(--u) * 23);
  letter-spacing: calc(var(--u) * 3);
  text-transform: uppercase;
  color: #dde;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 0;
  border-left: calc(var(--u) * 5) solid transparent;
  transform: skew(-10deg);
  cursor: pointer;
  transition:
    transform 0.12s,
    background 0.12s;
  text-align: left;
}
.item > * {
  transform: skew(10deg);
}
.item.focus {
  color: #fff;
  background: linear-gradient(90deg, var(--red), rgba(255, 61, 61, 0.15));
  border-left-color: var(--gold);
  transform: skew(-10deg) translateX(calc(var(--u) * 8));
  box-shadow: 0 0 calc(var(--u) * 20) rgba(255, 61, 61, 0.5);
}
.item.disabled {
  opacity: 0.4;
}
.list .item {
  font-size: calc(var(--u) * 17);
  padding: calc(var(--u) * 6) calc(var(--u) * 18);
}
.item .val {
  color: var(--gold);
  letter-spacing: calc(var(--u) * 1);
  white-space: nowrap;
}
.item .val::before {
  content: '◀  ';
  opacity: 0;
}
.item .val::after {
  content: '  ▶';
  opacity: 0;
}
.item.focus .val::before,
.item.focus .val::after {
  opacity: 0.8;
}
.item .slider {
  display: inline-block;
  width: calc(var(--u) * 150);
  height: calc(var(--u) * 10);
  background: rgba(255, 255, 255, 0.2);
  vertical-align: middle;
}
.item .slider i {
  display: block;
  height: 100%;
  background: var(--gold);
}

/* boxes */
.box {
  background: var(--panel);
  border: 2px solid var(--line);
  padding: calc(var(--u) * 20) calc(var(--u) * 28);
  text-align: center;
  max-width: 94%;
  box-shadow: 0 0 calc(var(--u) * 40) rgba(0, 0, 0, 0.7);
  position: relative;
}
.box.wide {
  width: calc(var(--u) * 760);
  margin-top: calc(var(--u) * 34);
  text-align: left;
}
.box.scroll {
  max-height: calc(var(--u) * 390);
  overflow-y: auto;
  touch-action: pan-y;
}
.box.two {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: calc(var(--u) * 24);
  max-height: calc(var(--u) * 400);
  overflow-y: auto;
  touch-action: pan-y;
}
.box p {
  margin: calc(var(--u) * 6) 0;
  font-size: calc(var(--u) * 15);
  line-height: 1.45;
  color: #dde;
}
.box h3 {
  font-family: var(--font);
  font-style: italic;
  font-weight: 400;
  font-size: calc(var(--u) * 22);
  letter-spacing: calc(var(--u) * 2);
  color: var(--gold);
  margin: calc(var(--u) * 14) 0 calc(var(--u) * 4);
}
.box ul {
  margin: 0;
  padding-left: calc(var(--u) * 20);
  font-size: calc(var(--u) * 14);
  line-height: 1.55;
  color: #dde;
}
.box kbd {
  display: inline-block;
  min-width: calc(var(--u) * 22);
  padding: 0 calc(var(--u) * 6);
  text-align: center;
  border: 1px solid #889;
  border-bottom-width: 3px;
  border-radius: 4px;
  background: #1b1a2b;
  color: #fff;
  font-family: inherit;
  font-size: calc(var(--u) * 12);
}
.box table {
  width: 100%;
  border-collapse: collapse;
  font-size: calc(var(--u) * 14);
}
.box th,
.box td {
  padding: calc(var(--u) * 5) calc(var(--u) * 8);
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.box th {
  color: var(--cyan);
  font-weight: 600;
  text-transform: uppercase;
  font-size: calc(var(--u) * 12);
  letter-spacing: 1px;
}
.big {
  font-family: var(--font);
  font-size: calc(var(--u) * 44);
  color: var(--gold);
  margin: 0;
}
.quote {
  font-style: italic;
  color: var(--cyan) !important;
}
.help p {
  font-size: calc(var(--u) * 13);
}

/* character select */
.sel-wrap {
  display: grid;
  grid-template-columns: calc(var(--u) * 230) 1fr calc(var(--u) * 230);
  gap: calc(var(--u) * 14);
  align-items: center;
  width: 100%;
  margin-top: calc(var(--u) * 28);
}
.panel {
  background: var(--panel);
  border: 2px solid var(--line);
  padding: calc(var(--u) * 10);
  height: calc(var(--u) * 400);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.panel.p1 {
  border-color: #4da3ff;
}
.panel.p2 {
  border-color: var(--red);
}
.panel .tag {
  font-family: var(--font);
  font-style: italic;
  font-size: calc(var(--u) * 16);
  letter-spacing: 2px;
  padding: 0 calc(var(--u) * 12);
}
.panel.p1 .tag {
  background: #4da3ff;
  color: #000;
}
.panel.p2 .tag {
  background: var(--red);
}
.panel canvas {
  width: calc(var(--u) * 200);
  height: calc(var(--u) * 210);
  margin-top: calc(var(--u) * 4);
}
.panel h3 {
  margin: 0;
  font-family: var(--font);
  font-style: italic;
  font-weight: 400;
  font-size: calc(var(--u) * 28);
  letter-spacing: 3px;
}
.panel .sub {
  font-size: calc(var(--u) * 11);
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: calc(var(--u) * 4);
  text-align: center;
}
.stat {
  display: grid;
  grid-template-columns: calc(var(--u) * 58) 1fr;
  align-items: center;
  gap: calc(var(--u) * 6);
  width: 100%;
  font-size: calc(var(--u) * 10);
  color: #ccd;
  text-transform: uppercase;
}
.stat i {
  display: block;
  height: calc(var(--u) * 7);
  background: rgba(255, 255, 255, 0.15);
  position: relative;
}
.stat i b {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
}
.panel .moves {
  margin-top: calc(var(--u) * 6);
  font-size: calc(var(--u) * 10);
  color: #aab;
  text-align: center;
  line-height: 1.35;
}
.panel .lock {
  position: absolute;
  top: calc(var(--u) * 8);
  right: calc(var(--u) * 8);
  font-family: var(--font);
  background: var(--gold);
  color: #000;
  padding: 0 calc(var(--u) * 8);
  font-size: calc(var(--u) * 14);
  display: none;
}
.panel.locked .lock {
  display: block;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--u) * 10);
  justify-self: center;
  width: calc(var(--u) * 420);
}
.card {
  position: relative;
  border: 3px solid rgba(255, 255, 255, 0.25);
  background: linear-gradient(180deg, #1c1736, #0a0818);
  cursor: pointer;
  overflow: hidden;
  height: calc(var(--u) * 150);
  transform: skew(-4deg);
  transition: transform 0.12s;
}
.card canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: skew(4deg) scale(1.08);
}
.card span {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: calc(var(--u) * 3);
  text-align: center;
  font-family: var(--font);
  font-style: italic;
  font-size: calc(var(--u) * 15);
  letter-spacing: 2px;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.9), transparent);
}
.card.c1 {
  border-color: #4da3ff;
  box-shadow: 0 0 calc(var(--u) * 16) #4da3ff;
  transform: skew(-4deg) scale(1.05);
}
.card.c2 {
  border-color: var(--red);
  box-shadow: 0 0 calc(var(--u) * 16) var(--red);
  transform: skew(-4deg) scale(1.05);
}
.card.c1.c2 {
  border-image: linear-gradient(90deg, #4da3ff, var(--red)) 1;
}
.card .badge {
  position: absolute;
  top: 3px;
  font-family: var(--font);
  font-size: calc(var(--u) * 12);
  padding: 0 calc(var(--u) * 6);
  z-index: 2;
}
.card .b1 {
  left: 3px;
  background: #4da3ff;
  color: #000;
}
.card .b2 {
  right: 3px;
  background: var(--red);
}

/* stage select */
.stage-grid {
  display: grid;
  grid-template-columns: repeat(4, calc(var(--u) * 200));
  gap: calc(var(--u) * 12);
  margin-top: calc(var(--u) * 30);
}
.stage-card {
  position: relative;
  border: 3px solid rgba(255, 255, 255, 0.25);
  height: calc(var(--u) * 112);
  cursor: pointer;
  overflow: hidden;
  transform: skew(-4deg);
  background: #111;
}
.stage-card canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: skew(4deg) scale(1.08);
}
.stage-card span {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: calc(var(--u) * 3) calc(var(--u) * 8);
  font-family: var(--font);
  font-style: italic;
  font-size: calc(var(--u) * 15);
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.9), transparent);
  transform: skew(4deg);
}
.stage-card.focus {
  border-color: var(--gold);
  box-shadow: 0 0 calc(var(--u) * 20) var(--gold);
  transform: skew(-4deg) scale(1.05);
  z-index: 2;
}
.stage-card.rand {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-size: calc(var(--u) * 44);
  color: var(--gold);
}
.stage-info {
  margin-top: calc(var(--u) * 18);
  font-family: var(--font);
  font-style: italic;
  font-size: calc(var(--u) * 26);
  letter-spacing: 3px;
  text-align: center;
}
.stage-info small {
  display: block;
  font-family: var(--body);
  font-style: normal;
  font-size: calc(var(--u) * 13);
  color: var(--cyan);
  letter-spacing: 2px;
}

/* VS */
#s-vs {
  background: radial-gradient(circle, #2a0f2e, #05030c);
  flex-direction: row;
  justify-content: space-around;
}
.vs-side {
  text-align: center;
  animation: slidein 0.5s ease;
}
.vs-side.right {
  animation-name: slideinr;
}
.vs-side canvas {
  width: calc(var(--u) * 260);
  height: calc(var(--u) * 330);
  filter: drop-shadow(0 0 calc(var(--u) * 20) rgba(255, 255, 255, 0.2));
}
.vs-side h3 {
  margin: 0;
  font-family: var(--font);
  font-style: italic;
  font-weight: 400;
  font-size: calc(var(--u) * 48);
  letter-spacing: 4px;
}
.vs-side p {
  margin: 0;
  color: var(--gold);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: calc(var(--u) * 14);
}
.vs-mid {
  font-family: var(--font);
  font-style: italic;
  font-size: calc(var(--u) * 120);
  color: var(--red);
  text-shadow:
    0 0 calc(var(--u) * 30) var(--red),
    0 calc(var(--u) * 6) 0 #000;
  animation: pop 0.5s ease;
}
.vs-info {
  position: absolute;
  bottom: calc(var(--u) * 20);
  font-size: calc(var(--u) * 16);
  letter-spacing: 3px;
  color: var(--cyan);
  text-transform: uppercase;
}
@keyframes slidein {
  from {
    transform: translateX(-120%);
  }
  to {
    transform: none;
  }
}
@keyframes slideinr {
  from {
    transform: translateX(120%);
  }
  to {
    transform: none;
  }
}
@keyframes pop {
  from {
    transform: scale(4);
    opacity: 0;
  }
  to {
    transform: none;
    opacity: 1;
  }
}

/* results */
.res-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: calc(var(--u) * 8) calc(var(--u) * 20);
  margin: calc(var(--u) * 10) 0;
  font-size: calc(var(--u) * 16);
  text-align: center;
}
.res-grid .lbl {
  color: var(--cyan);
  text-transform: uppercase;
  font-size: calc(var(--u) * 12);
  letter-spacing: 2px;
  align-self: center;
}
.res-grid .w {
  color: var(--gold);
  font-weight: 700;
}
#s-result .box {
  text-align: center;
}
#name-input {
  font-family: var(--font);
  font-size: calc(var(--u) * 56);
  width: calc(var(--u) * 190);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: calc(var(--u) * 12);
  color: var(--gold);
  background: #000;
  border: 2px solid var(--gold);
  padding: calc(var(--u) * 4);
  margin: calc(var(--u) * 8) 0;
  outline: none;
}

/* touch */
#touch-controls {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 5;
}
#touch-controls[hidden] {
  display: none;
}
#touch-controls button {
  pointer-events: auto;
  position: absolute;
  border: 2px solid rgba(255, 255, 255, 0.5);
  background: rgba(20, 16, 40, 0.55);
  color: #fff;
  font-family: var(--font);
  font-size: calc(var(--u) * 18);
  border-radius: 50%;
  width: calc(var(--u) * 58);
  height: calc(var(--u) * 58);
  touch-action: none;
  backdrop-filter: blur(2px);
}
#touch-controls button.down {
  background: rgba(255, 61, 61, 0.7);
  transform: scale(0.94);
}
.dpad button[data-btn='up'] {
  left: calc(var(--u) * 76);
  bottom: calc(var(--u) * 126);
}
.dpad button[data-btn='left'] {
  left: calc(var(--u) * 14);
  bottom: calc(var(--u) * 70);
}
.dpad button[data-btn='down'] {
  left: calc(var(--u) * 76);
  bottom: calc(var(--u) * 14);
}
.dpad button[data-btn='right'] {
  left: calc(var(--u) * 138);
  bottom: calc(var(--u) * 70);
}
.btns button[data-btn='punch'] {
  right: calc(var(--u) * 138);
  bottom: calc(var(--u) * 28);
}
.btns button[data-btn='kick'] {
  right: calc(var(--u) * 76);
  bottom: calc(var(--u) * 14);
}
.btns button[data-btn='heavy'] {
  right: calc(var(--u) * 14);
  bottom: calc(var(--u) * 28);
}
.btns button[data-btn='special'] {
  right: calc(var(--u) * 108);
  bottom: calc(var(--u) * 90);
}
.btns button[data-btn='super'] {
  right: calc(var(--u) * 40);
  bottom: calc(var(--u) * 100);
  border-color: var(--gold);
  color: var(--gold);
  width: calc(var(--u) * 50);
  height: calc(var(--u) * 50);
  font-size: calc(var(--u) * 14);
}
#touch-controls .pausebtn {
  top: calc(var(--u) * 78);
  left: 50%;
  margin-left: calc(var(--u) * -18);
  width: calc(var(--u) * 36);
  height: calc(var(--u) * 36);
  font-size: calc(var(--u) * 14);
}
.mini {
  pointer-events: auto;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--line);
  color: #fff;
  font-size: calc(var(--u) * 16);
  padding: calc(var(--u) * 2) calc(var(--u) * 10);
  cursor: pointer;
}
#rotate {
  display: none;
  position: fixed;
  inset: 0;
  background: #000;
  color: #fff;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  text-align: center;
  z-index: 99;
}
@media (orientation: portrait) and (max-width: 700px) {
  #rotate {
    display: flex;
  }
}
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-thumb {
  background: var(--red);
}
@media (prefers-reduced-motion: reduce) {
  .screen,
  .blink,
  .vs-side,
  .vs-mid {
    animation: none;
  }
}