:root {
  color-scheme: light;
  --ink: #252234;
  --muted: #6c6678;
  --panel: rgba(255, 255, 255, .88);
  --line: rgba(91, 72, 118, .18);
  --sakura: #ef7fb0;
  --amethyst: #8f72d6;
  --teal: #5ed2df;
  --green: #42c98a;
  --gold: #f3c75d;
  --night: #21182e;
  --night-2: #39264b;
  --character: #d98ad7;
}

* { box-sizing: border-box; }

html,
body {
  width: 100%;
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  background: #dff3ff;
}

button,
input {
  font: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
}

.play-shell,
.game-stage,
.game-root {
  width: 100%;
  height: 100%;
}

.auth-only {
  min-height: 100%;
}

.game-stage {
  position: relative;
  overflow: hidden;
  touch-action: none;
  background: #dff3ff;
}

.game-root canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.start-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  align-items: center;
  justify-items: start;
  padding: max(34px, 6vh) clamp(24px, 8vw, 132px);
  background:
    radial-gradient(ellipse at 25% 48%, rgba(20, 13, 35, .62) 0%, rgba(20, 13, 35, .36) 34%, transparent 58%),
    linear-gradient(90deg, rgba(12, 10, 24, .66) 0%, rgba(29, 21, 42, .34) 38%, rgba(255, 255, 255, .02) 78%),
    linear-gradient(0deg, rgba(18, 10, 26, .5) 0%, transparent 38%),
    url("assets/ui/start-screen-bg-v4.png") center / cover no-repeat;
  transition: opacity .22s ease, visibility .22s ease;
}

.register-overlay {
  align-items: start;
  overflow: auto;
  padding-top: max(34px, 7vh);
}

.start-overlay.auth-mode-register {
  align-items: start;
  overflow: auto;
  padding-top: max(28px, 5vh);
  padding-bottom: max(28px, 5vh);
}

.start-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.login-card {
  position: relative;
  width: min(560px, 92vw);
  padding: 0;
  overflow: visible;
  color: #fff;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  text-shadow: 0 2px 18px rgba(12, 8, 24, .42);
}

.register-card {
  width: min(600px, 92vw);
}

.auth-mode-register .login-card {
  width: min(600px, 92vw);
}

.login-card::before,
.login-card::after {
  display: none;
}

.login-crest {
  display: none;
}

.login-brand,
.login-form {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 13px;
  color: #bff6ff;
  font: 900 11px/1.2 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: .18em;
}

h1 {
  margin: 0;
  max-width: 720px;
  font-family: "Noto Serif SC", "Source Han Serif SC", "STZhongsong", "Songti SC", "PingFang SC", serif;
  font-size: clamp(40px, 4.7vw, 64px);
  line-height: .98;
  letter-spacing: 0;
  font-weight: 900;
  white-space: nowrap;
}

.title-subtitle {
  margin: 12px 0 0;
  color: #ffe7f2;
  font-family: "Noto Serif SC", "Source Han Serif SC", "STZhongsong", "Songti SC", "PingFang SC", serif;
  font-size: clamp(23px, 2.2vw, 34px);
  font-weight: 800;
}

.title-en {
  margin: 15px 0 0;
  color: rgba(255, 255, 255, .9);
  font: 700 clamp(16px, 1.55vw, 22px)/1.25 Georgia, "Times New Roman", serif;
}

.title-chronicle {
  margin: 5px 0 0;
  color: #c7f6ff;
  font: 800 clamp(12px, 1.15vw, 16px)/1.35 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.login-music-progress {
  width: min(360px, 100%);
  margin-top: 18px;
  color: rgba(255, 255, 255, .86);
}

.music-progress-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 7px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .04em;
}

.music-progress-head b {
  color: #c7f6ff;
  font: 900 12px/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.music-progress-track {
  position: relative;
  height: 9px;
  overflow: hidden;
  border: 1px solid rgba(232, 249, 255, .38);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(12, 11, 25, .36), rgba(12, 11, 25, .18));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .14),
    0 10px 24px rgba(10, 8, 22, .16);
  backdrop-filter: blur(10px);
}

.music-progress-track::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .34), transparent);
  opacity: .52;
}

.music-progress-track i {
  position: relative;
  z-index: 1;
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background:
    linear-gradient(90deg, #ffe2ed 0%, #a9f5ff 56%, #f8dc85 100%);
  box-shadow: 0 0 18px rgba(169, 245, 255, .58);
  transition: width .18s ease;
}

.login-music-progress.ready .music-progress-track i {
  box-shadow: 0 0 20px rgba(248, 220, 133, .62);
}

.login-form {
  display: grid;
  width: min(372px, 100%);
  gap: 12px;
  margin-top: 22px;
}

.login-form[hidden] {
  display: none;
}

.register-card .login-form {
  width: min(480px, 100%);
}

.auth-mode-register .login-form {
  width: min(480px, 100%);
}

.field,
.character-field {
  display: grid;
  gap: 8px;
}

.field span,
.character-field > span {
  color: rgba(255, 255, 255, .86);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .06em;
}

.field input {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  color: #fff;
  border: 1px solid rgba(232, 249, 255, .44);
  border-radius: 8px;
  outline: 0;
  background: rgba(12, 11, 25, .36);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .12),
    0 12px 28px rgba(10, 8, 22, .18);
  backdrop-filter: blur(10px);
}

.field input::placeholder {
  color: rgba(255, 255, 255, .58);
}

.field input:focus {
  border-color: var(--teal);
  box-shadow:
    0 0 0 3px rgba(94, 210, 223, .16),
    inset 0 0 0 1px rgba(255, 255, 255, .12);
}

.character-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.character-option {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 58px;
  padding: 9px 10px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .34);
  border-radius: 8px;
  background: rgba(12, 11, 25, .36);
  backdrop-filter: blur(10px);
  cursor: pointer;
}

.character-option:hover {
  border-color: rgba(255, 255, 255, .56);
  background: rgba(255, 255, 255, .12);
}

.character-option.active {
  border-color: var(--character);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--character) 30%, transparent);
}

.character-option img {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  object-fit: cover;
  object-position: 50% 42%;
  border-radius: 8px;
}

.character-option b {
  overflow: hidden;
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.primary {
  min-height: 50px;
  border: 0;
  border-radius: 8px;
  color: #272334;
  background:
    linear-gradient(135deg, #fff2f7 0%, #bff7ff 58%, #f8dc85 100%);
  box-shadow: 0 16px 34px rgba(21, 17, 36, .22);
  cursor: pointer;
  font-weight: 900;
}

.primary:hover {
  filter: brightness(1.03);
}

.primary:disabled {
  cursor: wait;
  opacity: .66;
}

.login-submit {
  margin-top: 4px;
}

.login-links {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 24px;
  color: rgba(255, 255, 255, .78);
  font-size: 13px;
  font-weight: 700;
}

.login-links a,
.login-links button {
  padding: 0;
  color: #d5f9ff;
  border: 0;
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-weight: 900;
  text-decoration: none;
}

.login-links a:hover,
.login-links button:hover {
  color: #fff;
}

.hint {
  min-height: 18px;
  margin: 0;
  color: rgba(255, 255, 255, .72);
  font-size: 12px;
  line-height: 1.55;
}

.status-panel,
.quickbar,
.boss-panel,
.toast {
  position: absolute;
  z-index: 3;
  border: 1px solid rgba(255, 255, 255, .6);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 16px 42px rgba(31, 42, 58, .18);
  backdrop-filter: blur(12px);
}

.revive-dialog {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(15, 12, 25, .24);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
}

.revive-dialog.open {
  opacity: 1;
  pointer-events: auto;
}

.revive-panel {
  width: min(360px, calc(100vw - 48px));
  padding: 20px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, .6);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 16px 42px rgba(31, 42, 58, .18);
  backdrop-filter: blur(12px);
}

.revive-panel strong {
  display: block;
  color: #30263d;
  font-size: 20px;
}

.revive-panel p {
  margin: 8px 0 16px;
  color: #625b6b;
  font-size: 13px;
  line-height: 1.6;
}

.revive-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.revive-actions button {
  min-height: 38px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 900;
}

.revive-actions button:not(.primary) {
  border: 1px solid rgba(93, 72, 120, .15);
  color: #3b3443;
  background: #fff;
}

.status-panel {
  top: 14px;
  left: 14px;
  width: min(330px, calc(100vw - 28px));
  padding: 12px;
}

.profile-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 9px;
}

.profile-line strong {
  font-size: 14px;
}

.profile-line span {
  color: #2d91a6;
  font-size: 11px;
  font-weight: 900;
  white-space: nowrap;
}

.profile-line span.offline {
  color: #a36a28;
}

.profile-line span.online {
  color: #1f755e;
}

.bar-line {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 8px;
  align-items: center;
  font-size: 11px;
  font-weight: 900;
}

.meter,
.boss-meter {
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(54, 62, 83, .16);
}

.meter i,
.boss-meter i {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--green), var(--gold));
  transition: width .18s ease;
}

.meta-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
  color: #625b6b;
  font: 800 11px/1.2 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.skill-row {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.skill,
.quickbar button {
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(93, 72, 120, .15);
  border-radius: 8px;
  color: #3b3443;
  background: #fff;
  cursor: pointer;
  font-size: 11px;
  font-weight: 900;
}

.skill.active {
  border-color: var(--teal);
  background: #eafaff;
}

.skill.cooling {
  color: #8a7892;
  background: #f4f0f6;
  cursor: wait;
}

.peer-list {
  display: grid;
  gap: 5px;
  margin-top: 10px;
  padding-top: 9px;
  border-top: 1px solid rgba(93, 72, 120, .1);
}

.peer {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: #5e5868;
  font-size: 11px;
}

.peer b {
  color: #2d91a6;
  font-size: 10px;
}

.quickbar {
  top: 14px;
  right: 14px;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  max-width: min(560px, calc(100vw - 28px));
  padding: 9px;
}

.quickbar button:hover,
.skill:hover {
  border-color: var(--teal);
  background: #f4fbff;
}

.mobile-controls {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: none;
  pointer-events: none;
}

.move-stick {
  position: absolute;
  left: max(18px, calc(env(safe-area-inset-left) + 16px));
  bottom: max(18px, calc(env(safe-area-inset-bottom) + 16px));
  width: 116px;
  height: 116px;
  border: 1px solid rgba(255, 255, 255, .5);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, .35), rgba(255, 255, 255, .12) 58%, rgba(29, 24, 42, .18));
  box-shadow: 0 18px 42px rgba(31, 42, 58, .2);
  pointer-events: auto;
  touch-action: none;
  backdrop-filter: blur(12px);
}

.move-stick i {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #fff2f7, #bff7ff 58%, #f8dc85);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .7),
    0 10px 24px rgba(31, 42, 58, .18);
  transform: translate(-50%, -50%);
}

.mobile-actions {
  position: absolute;
  right: max(18px, calc(env(safe-area-inset-right) + 16px));
  bottom: max(18px, calc(env(safe-area-inset-bottom) + 16px));
  display: grid;
  grid-template-columns: 78px 78px;
  gap: 10px;
  pointer-events: auto;
}

.mobile-action {
  min-height: 48px;
  color: #34293f;
  border: 1px solid rgba(255, 255, 255, .58);
  border-radius: 999px;
  background: rgba(255, 255, 255, .82);
  box-shadow: 0 15px 34px rgba(31, 42, 58, .18);
  cursor: pointer;
  font-size: 14px;
  font-weight: 900;
  touch-action: manipulation;
  backdrop-filter: blur(12px);
}

.mobile-action.primary-action {
  grid-row: span 2;
  min-height: 106px;
  color: #272334;
  background: linear-gradient(135deg, #fff2f7 0%, #bff7ff 58%, #f8dc85 100%);
}

.boss-panel {
  left: 50%;
  bottom: 20px;
  display: grid;
  grid-template-columns: auto minmax(180px, 320px) auto;
  gap: 12px;
  align-items: center;
  min-width: min(620px, calc(100vw - 36px));
  padding: 12px 14px;
  color: #fff;
  background: rgba(39, 28, 51, .78);
  transform: translate(-50%, 12px);
  opacity: 0;
  pointer-events: none;
  transition: transform .18s ease, opacity .18s ease;
}

.boss-panel.open {
  transform: translate(-50%, 0);
  opacity: 1;
}

.boss-panel span {
  display: block;
  color: #ffb9d3;
  font-size: 10px;
  font-weight: 900;
}

.boss-panel strong {
  display: block;
  margin-top: 2px;
  font-size: 14px;
}

.boss-meter i {
  background: linear-gradient(90deg, var(--sakura), var(--gold));
}

.boss-panel b {
  font: 900 12px/1.2 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: nowrap;
}

.toast {
  left: 50%;
  top: 23%;
  max-width: min(520px, calc(100vw - 48px));
  padding: 11px 14px;
  color: #263445;
  transform: translate(-50%, -8px);
  opacity: 0;
  pointer-events: none;
  transition: transform .18s ease, opacity .18s ease;
  font-size: 13px;
  font-weight: 900;
}

.toast.show {
  transform: translate(-50%, 0);
  opacity: 1;
}

@media (max-width: 760px) {
  .start-overlay {
    align-items: end;
    justify-items: stretch;
    padding: 18px;
    background-position: 58% center;
  }

  .login-card,
  .register-card {
    width: min(520px, 100%);
    padding: 0;
  }

  h1 {
    font-size: clamp(30px, 8.6vw, 42px);
  }

  .character-options {
    grid-template-columns: 1fr;
  }

  .status-panel {
    top: 10px;
    left: 10px;
  }

  .quickbar {
    top: auto;
    right: 10px;
    bottom: 10px;
    max-width: calc(100vw - 20px);
  }

  .boss-panel {
    bottom: 64px;
    grid-template-columns: 1fr;
  }
}

@media (pointer: coarse), (hover: none) {
  .mobile-controls {
    display: block;
  }

  .quickbar {
    right: max(12px, env(safe-area-inset-right));
    max-width: min(520px, calc(100vw - 320px));
  }
}

@media (orientation: landscape) and (pointer: coarse), (orientation: landscape) and (hover: none), (orientation: landscape) and (max-height: 620px) and (max-width: 1180px) {
  .status-panel {
    top: max(8px, env(safe-area-inset-top));
    left: max(8px, env(safe-area-inset-left));
    width: min(300px, 34vw);
    padding: 9px;
  }

  .profile-line {
    margin-bottom: 6px;
  }

  .meta-row {
    margin-top: 6px;
  }

  .skill-row,
  .peer-list {
    display: none;
  }

  .quickbar {
    top: max(8px, env(safe-area-inset-top));
    right: max(8px, env(safe-area-inset-right));
    bottom: auto;
    max-width: min(450px, calc(100vw - 340px));
    padding: 7px;
    gap: 6px;
  }

  .quickbar button {
    min-height: 28px;
    padding: 0 8px;
    font-size: 10px;
  }

  .move-stick {
    width: clamp(92px, 16vh, 112px);
    height: clamp(92px, 16vh, 112px);
  }

  .move-stick i {
    width: clamp(38px, 7vh, 48px);
    height: clamp(38px, 7vh, 48px);
  }

  .mobile-actions {
    grid-template-columns: clamp(62px, 12vh, 78px) clamp(62px, 12vh, 78px);
    gap: 8px;
  }

  .mobile-action {
    min-height: clamp(40px, 8vh, 48px);
    font-size: 12px;
  }

  .mobile-action.primary-action {
    min-height: clamp(88px, 17vh, 106px);
  }

  .boss-panel {
    bottom: max(92px, calc(env(safe-area-inset-bottom) + 84px));
    min-width: min(520px, calc(100vw - 260px));
    grid-template-columns: auto minmax(130px, 1fr) auto;
    padding: 9px 11px;
  }
}

@media (orientation: portrait) and (pointer: coarse) {
  .quickbar {
    top: auto;
    right: 12px;
    bottom: max(146px, calc(env(safe-area-inset-bottom) + 134px));
    max-width: min(340px, calc(100vw - 24px));
  }

  .boss-panel {
    bottom: max(146px, calc(env(safe-area-inset-bottom) + 134px));
  }
}