/* SPDX-License-Identifier: GPL-3.0-or-later */
:root {
  --bg: #071019;
  --panel: #0c1724e8;
  --line: #2af6ff66;
  --txt: #e9fbff;
  --muted: #94a9bd;
  --solar: #6dfcff;
  --void: #d56bff;
  --warn: #ffdc63;
  --title-bg-landscape: none;
  --title-bg-portrait: var(--title-bg-landscape);
}

* {
  box-sizing: border-box;
  touch-action: manipulation;
}

html,
body {
  margin: 0;
  height: 100%;
  background: radial-gradient(circle at 15% 10%, #173557, #071019 48%, #04070d);
  color: var(--txt);
  font-family: Arial, Helvetica, sans-serif;
  overflow: hidden;
}

#gameRoot {
  height: 100%;
  overflow: hidden;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: linear-gradient(#ffffff06 50%, #0000 50%);
  background-size: 100% 4px;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.22;
}

button,
input,
select {
  font: inherit;
}

select {
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #08131e;
  color: var(--txt);
  padding: 7px 10px;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

button {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #10283b, #08131e);
  color: var(--txt);
  border-radius: 12px;
  padding: 11px 15px;
  min-height: 44px;
  cursor: pointer;
  box-shadow: 0 0 14px #00eaff22 inset, 0 0 12px #0008;
}

button:hover,
button:focus-visible {
  outline: 2px solid #7dffff66;
  background: #13324b;
}

button.primary {
  border-color: #7dffff;
  background: linear-gradient(180deg, #14556a, #092231);
  box-shadow: 0 0 18px #2af6ff55;
}

button.void {
  border-color: #e57cff;
  background: linear-gradient(180deg, #32164f, #180b27);
  box-shadow: 0 0 18px #c35cff55;
}

label {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 14px;
}

.screen {
  display: none;
  height: 100%;
  width: 100%;
  padding: 14px;
  position: relative;
}

.screen.active {
  display: flex;
}

#titleScreen,
#endScreen {
  align-items: center;
  justify-content: center;
  text-align: center;
}

#titleScreen {
  background:
    linear-gradient(180deg, #02060c66, #02060caa),
    radial-gradient(circle at 50% 42%, #07192844, #02060cf0 72%),
    var(--title-bg-landscape),
    radial-gradient(circle at 15% 10%, #173557, #071019 48%, #04070d);
  background-size: cover;
  background-position: center;
}

#titleScreen::before,
#endScreen::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, #00eaff18, #0000 38%, #0000 62%, #d56bff1f);
}

.hero {
  max-width: 760px;
  width: min(94vw, 760px);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(145deg, #0a1422e8, #050912eb);
  box-shadow: 0 0 50px #22f2ff22, 0 0 90px #ad55ff16;
  backdrop-filter: blur(3px);
  position: relative;
  z-index: 1;
}

h1 {
  font-size: clamp(36px, 8vw, 76px);
  margin: 0 0 8px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-shadow: 0 0 18px #35f4ff, 0 0 34px #8e44ff;
}

.tagline {
  color: #c9ecff;
  margin: 0 auto 22px;
  line-height: 1.45;
  max-width: 650px;
}

.menu {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.difficultyPicker {
  justify-content: center;
  margin: 0 auto 10px;
}

.small {
  font-size: 13px;
  color: var(--muted);
}

#boardScreen {
  gap: 12px;
  align-items: stretch;
}

.leftPane {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}

.boardWrap {
  width: min(82vh, calc(100vw - 340px));
  max-width: 720px;
  aspect-ratio: 1;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: 0 0 32px #00eaff22;
  background: #020610;
  padding: 8px;
}

#board {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 12px;
  cursor: pointer;
  background: #081018;
}

.sidePane {
  width: 315px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 0;
  overflow: auto;
}

.card {
  border: 1px solid #2af6ff44;
  background: var(--panel);
  border-radius: 16px;
  padding: 10px;
  box-shadow: 0 0 20px #0008;
}

.card h2,
.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.threatInfo {
  min-height: 18px;
  color: #ff8aa0;
  font-size: 13px;
  font-weight: bold;
  margin-top: 4px;
}

.status {
  font-size: 16px;
  line-height: 1.35;
}

#turnBadge {
  font-weight: bold;
  font-size: 20px;
}

.solarText {
  color: var(--solar);
  text-shadow: 0 0 8px #6dfcff77;
}

.voidText {
  color: var(--void);
  text-shadow: 0 0 8px #d56bff77;
}

#selectedInfo {
  white-space: pre-line;
  line-height: 1.35;
  min-height: 96px;
}

#nodeInfo,
#log {
  font-size: 14px;
  line-height: 1.35;
  color: #d7f5ff;
}

#log {
  min-height: 38px;
  color: var(--warn);
}

.legend {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 6px;
  font-size: 12px;
  color: #d7f5ff;
}

.pill {
  border: 1px solid #ffffff33;
  border-radius: 999px;
  padding: 5px 7px;
  text-align: center;
  background: #ffffff08;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
}

#nodeInfo {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.commandCard {
  border-color: #ffdc6355;
}

.commandButtons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 8px;
}

.commandButtons button {
  min-height: 36px;
  padding: 6px 8px;
  font-size: 12px;
}

#cancelCommandBtn {
  grid-column: 1 / -1;
}

#combatScreen {
  flex-direction: column;
  gap: 8px;
  padding: 10px;
}

.combatTop {
  display: grid;
  grid-template-columns: 1fr minmax(120px, 260px) 1fr;
  gap: 10px;
  align-items: stretch;
}

.fighterPanel {
  border: 1px solid #ffffff33;
  border-radius: 14px;
  padding: 8px;
  background: #07111ddd;
}

.fighterName {
  font-weight: bold;
  font-size: 15px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hpBox,
.cdBox {
  height: 14px;
  background: #0009;
  border: 1px solid #ffffff33;
  border-radius: 999px;
  overflow: hidden;
  margin-top: 7px;
}

.hpFill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #ff5f7a, #ffdc63, #7dff96);
  transition: width 0.1s;
}

.cdFill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #2af6ff, #e57cff);
  transition: width 0.08s;
}

.attackCdFill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #ffdc63, #7dff96);
  transition: width 0.08s;
}

.meterLabel {
  color: #bcd5e6;
  font-size: 11px;
  margin-top: 5px;
}

.fighterSpecial {
  color: #d7f5ff;
  margin-top: 4px;
  min-height: 30px;
}

.centerPanel {
  text-align: center;
  border: 1px solid #ffffff33;
  border-radius: 14px;
  padding: 8px;
  background: #07111ddd;
  font-size: 14px;
}

#arenaWrap {
  position: relative;
  flex: 1;
  min-height: 260px;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: 0 0 28px #00eaff22;
  overflow: hidden;
  background: #02060c;
}

#arena {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.countdown {
  position: absolute;
  left: 50%;
  top: 45%;
  transform: translate(-50%, -50%);
  font-size: clamp(42px, 12vw, 120px);
  font-weight: bold;
  text-shadow: 0 0 20px #2af6ff, 0 0 40px #d56bff;
  pointer-events: none;
}

.touchControls {
  display: grid;
  grid-template-columns: 1fr auto auto 1fr auto auto;
  gap: 8px;
  align-items: center;
  padding: 4px 0;
}

.touchControls.singlePlayer {
  grid-template-columns: minmax(180px, 1fr) auto auto;
}

.stick {
  height: 72px;
  border: 1px solid #ffffff33;
  border-radius: 18px;
  background: radial-gradient(circle, #ffffff13, #0005);
  position: relative;
  min-width: 90px;
  touch-action: none;
  user-select: none;
}

.stick::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 26px;
  height: 26px;
  margin: -13px;
  border-radius: 50%;
  background: #ffffff33;
  box-shadow: 0 0 14px #fff6;
}

.bigBtn {
  min-width: 74px;
  height: 58px;
}

#helpOverlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 30;
  background: #02060ce8;
  align-items: center;
  justify-content: center;
  padding: 18px;
}

#helpOverlay.active {
  display: flex;
}

.helpBox {
  max-width: 760px;
  width: min(760px, calc(100vw - 36px));
  max-height: calc(100dvh - 36px);
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #0a1522;
  padding: 20px;
  line-height: 1.45;
  box-shadow: 0 0 60px #00eaff33;
}

#closeHelp {
  position: sticky;
  bottom: 0;
  margin-top: 14px;
}

.helpGrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
}

.kbd {
  display: inline-block;
  border: 1px solid #ffffff55;
  background: #0008;
  border-radius: 6px;
  padding: 2px 6px;
  margin: 1px;
  color: #fff;
}

.debugOverlay {
  display: none;
  position: fixed;
  right: 8px;
  bottom: 8px;
  width: min(430px, 92vw);
  max-height: 45vh;
  overflow: auto;
  background: #050a12f0;
  border: 1px solid #2af6ff66;
  border-radius: 10px;
  padding: 10px;
  z-index: 40;
}

.debugOverlay.active {
  display: block;
}

.debugOverlay h3 {
  margin: 0 0 6px;
}

.debugOverlay pre {
  margin: 0;
  white-space: pre-wrap;
  font-size: 12px;
  line-height: 1.35;
  color: #bff9ff;
}

@media (max-width: 900px) {
  #boardScreen {
    flex-direction: column;
    padding: 8px;
    overflow: auto;
  }

  .boardWrap {
    width: min(96vw, 72vh);
    margin: auto;
  }

  .sidePane {
    width: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .sidePane .card:last-child {
    grid-column: 1 / -1;
  }

  body {
    overflow: auto;
  }

  .screen {
    min-height: 100%;
    height: auto;
  }
}

@media (max-width: 620px) {
  #titleScreen {
    background-image:
      linear-gradient(180deg, #02060c55, #02060cc0),
      radial-gradient(circle at 50% 38%, #07192844, #02060cf0 76%),
      var(--title-bg-portrait),
      radial-gradient(circle at 15% 10%, #173557, #071019 48%, #04070d);
  }

  .hero {
    padding: 22px;
    border-radius: 16px;
  }

  .sidePane {
    display: flex;
  }

  .combatTop {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .touchControls {
    grid-template-columns: 1fr auto auto;
    grid-auto-rows: auto;
    gap: 6px;
    padding: 0;
  }

  #gameRoot {
    height: auto;
    min-height: 100%;
    overflow: visible;
  }

  #combatScreen {
    min-height: 100dvh;
    height: auto;
    gap: 5px;
    padding: 6px;
    overflow: visible;
  }

  .fighterPanel,
  .centerPanel {
    padding: 6px 8px;
    font-size: 12px;
  }

  .fighterName {
    font-size: 14px;
  }

  .hpBox,
  .cdBox {
    height: 10px;
    margin-top: 3px;
  }

  .meterLabel {
    margin-top: 3px;
  }

  .fighterSpecial {
    min-height: 0;
    margin-top: 2px;
    line-height: 1.2;
  }

  #arenaWrap {
    flex: none;
    min-height: 0;
    width: 100%;
    aspect-ratio: 960 / 520;
  }

  #arena {
    position: absolute;
    inset: 0;
  }

  .stick {
    height: 62px;
    border-radius: 14px;
  }

  .bigBtn {
    height: 54px;
  }

  .hero {
    padding: 18px;
  }
}

@media (max-height: 520px) and (orientation: landscape) {
  body {
    overflow: hidden;
  }

  .screen {
    height: 100dvh;
    min-height: 0;
  }

  #boardScreen {
    flex-direction: row;
    overflow: hidden;
    padding: 8px;
  }

  .boardWrap {
    width: min(92vh, 46vw);
  }

  .sidePane {
    width: auto;
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-content: start;
    overflow: auto;
  }

  .sidePane .card {
    min-height: 0;
  }

  #combatScreen {
    height: 100dvh;
    min-height: 0;
    overflow: hidden;
    gap: 5px;
    padding: 6px;
  }

  .combatTop {
    grid-template-columns: 1fr minmax(160px, 260px) 1fr;
    gap: 6px;
  }

  .fighterPanel,
  .centerPanel {
    padding: 5px 8px;
    font-size: 12px;
  }

  .fighterName {
    font-size: 13px;
  }

  .hpBox,
  .cdBox {
    height: 11px;
    margin-top: 4px;
  }

  .fighterSpecial,
  .meterLabel {
    display: none;
  }

  #arenaWrap {
    flex: 1;
    width: auto;
    aspect-ratio: auto;
    min-height: 0;
    border-radius: 14px;
  }

  .touchControls {
    grid-template-columns: minmax(140px, 1fr) auto auto;
    gap: 6px;
    padding: 0;
  }

  .stick {
    height: 42px;
    min-width: 130px;
    border-radius: 12px;
  }

  .stick::before {
    width: 18px;
    height: 18px;
    margin: -9px;
  }

  .bigBtn {
    height: 42px;
    min-height: 42px;
    min-width: 92px;
    padding: 5px 8px;
  }
}