:root {
  --bg: #070916;
  --panel: rgba(12, 17, 38, 0.94);
  --panel-soft: rgba(18, 26, 56, 0.82);
  --text: #f5f7ff;
  --muted: #8e9ac0;
  --cyan: #35f2ff;
  --blue: #6685ff;
  --violet: #b85cff;
  --red: #ff4a78;
  --yellow: #ffd75a;
  --green: #5cffb0;
  --line: rgba(120, 151, 255, 0.18);
  --radius: 22px;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
  background: radial-gradient(circle at 50% 18%, #172355 0%, #090c1c 42%, #04050b 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

button {
  font: inherit;
  color: inherit;
  border: 0;
  cursor: pointer;
  touch-action: manipulation;
}

button:disabled {
  cursor: default;
  opacity: 0.45;
}

#app {
  position: relative;
  width: min(100vw, calc(100vh * 0.625));
  min-width: 280px;
  height: 100vh;
  margin: 0 auto;
  overflow: hidden;
  background: #080b19;
  box-shadow: 0 0 80px rgba(41, 71, 170, 0.32);
  isolation: isolate;
  touch-action: none;
}

#gameCanvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  background: #070916;
}

.screen {
  position: absolute;
  z-index: 10;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: stretch;
  padding: max(22px, env(safe-area-inset-top)) 24px max(22px, env(safe-area-inset-bottom));
  background:
    linear-gradient(180deg, rgba(7, 9, 22, 0.5), rgba(7, 9, 22, 0.96)),
    repeating-linear-gradient(90deg, transparent 0 39px, rgba(86, 117, 255, 0.035) 40px),
    repeating-linear-gradient(0deg, transparent 0 39px, rgba(86, 117, 255, 0.035) 40px);
}

.screen.active { display: flex; }

#loadingScreen {
  justify-content: center;
  align-items: center;
  text-align: center;
  z-index: 30;
  background:
    radial-gradient(circle at 50% 42%, rgba(75, 86, 255, 0.22), transparent 34%),
    #070916;
}

#loadingScreen h1 {
  margin: 22px 0 5px;
  letter-spacing: 0.18em;
  font-size: clamp(27px, 8vw, 42px);
  text-shadow: 0 0 28px rgba(53, 242, 255, 0.35);
}

#loadingScreen p { color: var(--muted); font-size: 13px; }

.logo-mark {
  position: relative;
  width: 92px;
  height: 92px;
  transform: rotate(45deg);
  filter: drop-shadow(0 0 22px rgba(53, 242, 255, 0.55));
}

.logo-mark i {
  position: absolute;
  inset: 0;
  border: 4px solid var(--cyan);
  border-left-color: transparent;
  border-bottom-color: transparent;
  border-radius: 18px;
}
.logo-mark i:nth-child(2) { inset: 15px; border-color: var(--violet); border-left-color: transparent; border-bottom-color: transparent; }
.logo-mark i:nth-child(3) { inset: 31px; border-color: var(--blue); border-left-color: transparent; border-bottom-color: transparent; }

.loader {
  width: min(240px, 70vw);
  height: 4px;
  margin-top: 22px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
}
.loader span {
  display: block;
  width: 42%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  animation: load 1.1s ease-in-out infinite alternate;
}
@keyframes load { from { transform: translateX(-10%); } to { transform: translateX(150%); } }

#menuScreen {
  background:
    linear-gradient(180deg, rgba(7, 9, 22, 0.13) 0%, rgba(7, 9, 22, 0.88) 55%, rgba(7, 9, 22, 0.98) 100%),
    radial-gradient(circle at 50% 22%, rgba(57, 92, 255, 0.42), transparent 36%);
}

.app-version {
  position: absolute;
  top: max(22px, env(safe-area-inset-top));
  left: 24px;
  z-index: 2;
  color: rgba(245, 247, 255, 0.45);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  pointer-events: none;
}

.top-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.icon-button {
  width: 44px;
  height: 44px;
  border-radius: 15px;
  background: rgba(20, 28, 58, 0.78);
  border: 1px solid rgba(122, 151, 255, 0.2);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
  font-weight: 800;
  font-size: 18px;
}
.icon-button:active { transform: translateY(1px) scale(0.98); }
.icon-button.off { color: var(--muted); }

.menu-spacer { flex: 1; min-height: 30px; }

.title-block .eyebrow {
  color: var(--cyan);
  font-size: clamp(9px, 2.4vw, 12px);
  letter-spacing: 0.24em;
  font-weight: 900;
}

.title-block h1 {
  margin: 8px 0 7px;
  font-size: clamp(52px, 15vw, 82px);
  line-height: 0.76;
  letter-spacing: -0.075em;
  font-style: italic;
  text-shadow: 0 0 28px rgba(53, 242, 255, 0.22);
}
.title-block h1 span {
  color: transparent;
  -webkit-text-stroke: 2px var(--cyan);
  text-shadow: 0 0 25px rgba(53, 242, 255, 0.32);
}
.title-block p {
  max-width: 350px;
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.4;
  font-size: clamp(12px, 3vw, 15px);
}

.record-row {
  display: flex;
  gap: 10px;
  margin-top: clamp(16px, 3vh, 28px);
}
.record-row > div {
  flex: 1;
  padding: 13px 16px;
  border-radius: 16px;
  background: rgba(12, 18, 40, 0.72);
  border: 1px solid var(--line);
}
.record-row small,
.mission-card small,
.panel-header small,
.result-card > small,
.result-grid small {
  display: block;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.16em;
  font-weight: 900;
}
.record-row strong { display: block; margin-top: 3px; font-size: 21px; }

.mission-card {
  margin-top: 10px;
  padding: 13px 15px;
  border: 1px solid rgba(126, 97, 255, 0.28);
  border-radius: 17px;
  background: linear-gradient(135deg, rgba(54, 38, 106, 0.72), rgba(16, 22, 50, 0.8));
}
.mission-card strong { display: block; margin-top: 4px; font-size: 13px; }
.mission-progress {
  height: 5px;
  margin: 10px 0 7px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(255,255,255,0.08);
}
.mission-progress span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
  transition: width 0.25s ease;
}
.mission-bottom {
  min-height: 23px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.mini-button {
  padding: 5px 9px;
  border-radius: 8px;
  color: #071018;
  background: var(--green);
  font-size: 10px;
  font-weight: 900;
}

.primary-button,
.secondary-button,
.reward-button {
  width: 100%;
  min-height: 58px;
  border-radius: 18px;
  font-weight: 950;
}
.primary-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 11px;
  color: #06131a;
  letter-spacing: 0.1em;
  background: linear-gradient(110deg, var(--cyan), #6effc8);
  box-shadow: 0 10px 28px rgba(53, 242, 255, 0.22), inset 0 1px 0 rgba(255,255,255,0.6);
}
.primary-button i { font-style: normal; font-size: 13px; }
.primary-button:active { transform: translateY(1px) scale(0.995); }
.primary-button.compact { min-height: 52px; }

.secondary-button {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
  padding: 10px 14px;
  text-align: left;
  color: var(--text);
  background: rgba(21, 30, 64, 0.78);
  border: 1px solid rgba(102, 133, 255, 0.26);
}
.secondary-button > span:first-child { font-size: 24px; color: var(--yellow); }
.secondary-button b,
.secondary-button small { display: block; }
.secondary-button b { font-size: 13px; }
.secondary-button small { margin-top: 2px; color: var(--muted); font-size: 10px; }
.secondary-button.claimed { opacity: 0.55; }

.text-button {
  min-height: 38px;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
}
.text-button b { color: var(--cyan); }

.hud {
  position: absolute;
  z-index: 8;
  top: max(14px, env(safe-area-inset-top));
  left: 14px;
  right: 14px;
  display: flex;
  gap: 8px;
  align-items: center;
  pointer-events: none;
}
.hud.hidden { display: none; }
.hud-pill {
  min-width: 78px;
  height: 42px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: 14px;
  background: rgba(6, 10, 25, 0.72);
  border: 1px solid rgba(91, 130, 255, 0.17);
  backdrop-filter: blur(8px);
}
.hud-pill span { color: var(--cyan); font-size: 12px; }
.hud-pill b { font-size: 14px; }
.hud .icon-button { margin-left: auto; pointer-events: auto; background: rgba(6, 10, 25, 0.72); }

.combo-badge,
.power-badge {
  position: absolute;
  z-index: 8;
  top: max(67px, calc(env(safe-area-inset-top) + 53px));
  padding: 7px 11px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.06em;
  backdrop-filter: blur(8px);
}
.combo-badge { left: 14px; color: var(--yellow); background: rgba(62, 43, 7, 0.78); border: 1px solid rgba(255, 215, 90, 0.28); }
.power-badge { right: 14px; color: var(--cyan); background: rgba(4, 50, 60, 0.78); border: 1px solid rgba(53, 242, 255, 0.28); }
.hidden { display: none !important; }

.modal-screen {
  justify-content: center;
  background: rgba(4, 6, 15, 0.73);
  backdrop-filter: blur(9px);
}
.modal-card {
  width: 100%;
  padding: 24px;
  border-radius: 26px;
  text-align: center;
  background: linear-gradient(160deg, rgba(23, 31, 66, 0.98), rgba(9, 13, 31, 0.99));
  border: 1px solid rgba(119, 147, 255, 0.24);
  box-shadow: 0 28px 90px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.07);
}
.modal-card h2 { margin: 8px 0 8px; font-size: 27px; }
.modal-card p { margin: 0 0 18px; color: var(--muted); line-height: 1.5; font-size: 13px; }
.compact-card { max-width: 330px; margin: 0 auto; }
.modal-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 10px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: var(--cyan);
  font-size: 24px;
  font-weight: 950;
  background: rgba(53, 242, 255, 0.08);
  border: 1px solid rgba(53, 242, 255, 0.24);
}
.modal-icon.danger { color: var(--red); background: rgba(255,74,120,0.1); border-color: rgba(255,74,120,0.3); }

.tutorial-card { padding-top: 18px; }
.tutorial-visual {
  position: relative;
  height: 170px;
  margin: 0 -6px 10px;
  overflow: hidden;
  border-radius: 19px;
  background: linear-gradient(180deg, #10183d, #080b1b);
  border: 1px solid rgba(100, 132, 255, 0.16);
}
.lane-line { position: absolute; top: 0; bottom: 0; width: 1px; background: linear-gradient(transparent, rgba(53,242,255,0.45), transparent); }
.lane-line.one { left: 33.33%; }
.lane-line.two { left: 66.66%; }
.demo-ship {
  position: absolute;
  left: 50%;
  bottom: 28px;
  width: 34px;
  height: 50px;
  transform: translateX(-50%);
  clip-path: polygon(50% 0, 100% 100%, 50% 78%, 0 100%);
  background: linear-gradient(180deg, #efffff, var(--cyan));
  filter: drop-shadow(0 0 12px var(--cyan));
  animation: demoShift 2.3s ease-in-out infinite;
}
@keyframes demoShift { 0%,15% { left: 50%; } 40%,55% { left: 25%; } 80%,100% { left: 75%; } }
.swipe-arrow { position: absolute; bottom: 35px; color: rgba(255,255,255,0.38); font-size: 48px; font-weight: 300; }
.swipe-arrow.left { left: 18%; }
.swipe-arrow.right { right: 18%; }

.result-card > small { margin-top: 4px; color: var(--red); }
.score-big span { display: block; margin-top: 7px; font-size: 48px; line-height: 1; font-weight: 950; }
.score-big small { color: var(--muted); font-size: 11px; }
.result-grid { display: flex; gap: 10px; margin: 18px 0 10px; }
.result-grid > div { flex: 1; padding: 15px 8px; border-radius: 16px; background: rgba(6,10,27,0.7); border: 1px solid var(--line); }
.result-grid strong { display: block; margin-top: 6px; font-size: 25px; }
.new-record { margin: 0 0 10px; color: var(--yellow); font-size: 11px; letter-spacing: 0.14em; font-weight: 950; }

.reward-button {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  padding: 10px 13px;
  text-align: left;
  background: linear-gradient(110deg, rgba(116, 66, 255, 0.92), rgba(35, 92, 231, 0.92));
  box-shadow: 0 12px 30px rgba(73, 73, 255, 0.18);
}
.reward-button b,
.reward-button small { display: block; }
.reward-button b { font-size: 13px; }
.reward-button small { margin-top: 2px; color: rgba(255,255,255,0.7); font-size: 10px; }
.ad-tag {
  min-width: 39px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: #21125a;
  background: #d9d4ff;
  font-size: 10px;
  font-weight: 950;
}

.panel-screen { background: linear-gradient(180deg, rgba(9,13,31,0.97), #070916); }
.panel-header {
  min-height: 54px;
  display: grid;
  grid-template-columns: 48px 1fr auto;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
}
.panel-header .icon-button { width: 42px; height: 42px; font-size: 30px; line-height: 1; }
.panel-header h2 { margin: 2px 0 0; font-size: 24px; }
.wallet { min-width: 84px; height: 40px; padding: 0 11px; display: flex; align-items: center; justify-content: center; gap: 7px; border-radius: 14px; background: rgba(22,31,65,0.82); border: 1px solid var(--line); }
.wallet span { color: var(--cyan); }

.upgrade-list { overflow-y: auto; padding-bottom: 18px; touch-action: pan-y; }
.upgrade-card {
  margin-bottom: 11px;
  padding: 16px;
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(20,28,60,0.94), rgba(10,14,32,0.96));
  border: 1px solid var(--line);
}
.upgrade-card-top { display: flex; gap: 13px; align-items: center; }
.upgrade-icon {
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  color: var(--cyan);
  font-size: 22px;
  background: rgba(53,242,255,0.08);
  border: 1px solid rgba(53,242,255,0.2);
}
.upgrade-card h3 { margin: 0 0 4px; font-size: 15px; }
.upgrade-card p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.4; }
.level-dots { display: flex; gap: 6px; margin: 14px 0 12px; }
.level-dots i { flex: 1; height: 5px; border-radius: 99px; background: rgba(255,255,255,0.08); }
.level-dots i.on { background: linear-gradient(90deg, var(--cyan), var(--violet)); }
.buy-button {
  width: 100%;
  height: 43px;
  border-radius: 13px;
  color: #071018;
  background: var(--cyan);
  font-size: 11px;
  font-weight: 950;
}
.buy-button.locked { color: var(--muted); background: rgba(255,255,255,0.07); }
.buy-button.maxed { color: var(--green); background: rgba(92,255,176,0.09); border: 1px solid rgba(92,255,176,0.22); }

.help-list { overflow-y: auto; padding: 5px 0 90px; touch-action: pan-y; }
.help-list article { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid rgba(124,151,255,0.11); }
.help-list article > span { width: 42px; flex: 0 0 42px; color: var(--violet); font-size: 28px; text-align: center; }
.help-list article > span.cyan { color: var(--cyan); }
.help-list article > span.red { color: var(--red); }
.help-list article > span.yellow { color: var(--yellow); }
.help-list b { font-size: 14px; }
.help-list p { margin: 5px 0 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
.bottom-button { position: absolute; left: 24px; right: 24px; bottom: max(22px, env(safe-area-inset-bottom)); width: auto; }

.toast {
  position: absolute;
  z-index: 50;
  left: 50%;
  bottom: max(20px, env(safe-area-inset-bottom));
  max-width: calc(100% - 36px);
  padding: 10px 15px;
  border-radius: 13px;
  opacity: 0;
  transform: translate(-50%, 12px);
  pointer-events: none;
  color: var(--text);
  background: rgba(12, 18, 39, 0.94);
  border: 1px solid rgba(126,154,255,0.24);
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  font-size: 12px;
  font-weight: 800;
  text-align: center;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-height: 650px) {
  .screen { padding-top: 14px; padding-bottom: 14px; }
  .menu-spacer { min-height: 8px; }
  .title-block h1 { font-size: 50px; }
  .title-block p { display: none; }
  .record-row { margin-top: 12px; }
  .mission-card { padding: 10px 13px; }
  .secondary-button { min-height: 50px; }
  .primary-button { min-height: 50px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

@supports (height: 100dvh) {
  #app { width: min(100vw, calc(100dvh * 0.625)); height: 100dvh; }
}

@media (min-width: 700px) and (min-aspect-ratio: 4 / 3) {
  #app {
    width: min(100vw, calc(100vh * 1.777777));
    height: 100vh;
  }

  #menuScreen.active {
    display: grid;
    grid-template-columns: minmax(300px, 0.9fr) minmax(340px, 0.72fr);
    grid-template-rows: auto auto auto auto auto auto;
    column-gap: clamp(32px, 7vw, 120px);
    align-content: center;
    padding-left: clamp(48px, 8vw, 150px);
    padding-right: clamp(48px, 8vw, 150px);
  }

  #menuScreen .top-actions {
    position: absolute;
    top: max(22px, env(safe-area-inset-top));
    right: max(28px, env(safe-area-inset-right));
  }

  #menuScreen .menu-spacer { display: none; }
  #menuScreen .title-block {
    grid-column: 1;
    grid-row: 1 / span 6;
    align-self: center;
  }
  #menuScreen .title-block h1 { font-size: clamp(72px, 8vw, 126px); }
  #menuScreen .title-block p { font-size: 15px; }
  #menuScreen .record-row { grid-column: 2; grid-row: 1; margin-top: 0; }
  #menuScreen .mission-card { grid-column: 2; grid-row: 2; }
  #menuScreen .secondary-button { grid-column: 2; grid-row: 3; }
  #menuScreen .primary-button { grid-column: 2; grid-row: 4; }
  #menuScreen .text-button { grid-column: 2; grid-row: 5; }

  .modal-card { max-width: 430px; margin: 0 auto; }
  .tutorial-card { max-width: 520px; }

  .panel-screen {
    padding-left: clamp(42px, 7vw, 120px);
    padding-right: clamp(42px, 7vw, 120px);
  }
  .upgrade-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
  .upgrade-card { margin-bottom: 0; }
  .help-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 32px;
  }
}

@supports (height: 100dvh) {
  @media (min-width: 700px) and (min-aspect-ratio: 4 / 3) {
    #app { width: min(100vw, calc(100dvh * 1.777777)); height: 100dvh; }
  }
}