:root {
  --paper: #f4ead6;
  --paper-deep: #eadcbe;
  --paper-panel: #fff8e7;
  --ink: #25231f;
  --ink-soft: #514b42;
  --muted: #756d60;
  --line: #25231f;
  --blue: #557f9b;
  --blue-soft: #dbe8ec;
  --orange: #c76d45;
  --orange-soft: #f0c9a7;
  --red: #b9483f;
  --cream: #fff3d6;
  --shadow-step: 6px;
  --shadow-step-sm: 3px;
  --shadow: var(--shadow-step) var(--shadow-step) 0 var(--ink);
  --shadow-sm: var(--shadow-step-sm) var(--shadow-step-sm) 0 var(--ink);
  --edge: 3px;
  --edge-sm: 2px;
  --auth-form-width: 450px;
  --font-pixel: "Press Start 2P", "Microsoft YaHei", sans-serif;
  --font-ui: "IBM Plex Mono", "Microsoft YaHei", monospace;
  --lamp-core: #ffe6a6;
  --lamp-glow: rgba(255, 214, 130, 0.52);
  --star-1: rgba(255, 252, 224, 0);
  --star-2: rgba(125, 211, 252, 0);
}

html[data-theme="night"] {
  --paper: #070b18;
  --paper-deep: #0d1430;
  --paper-panel: #111a35;
  --ink: #eef5ff;
  --ink-soft: #d8e6ff;
  --muted: #9fb0d0;
  --line: #8bbcff;
  --blue: #7dd3fc;
  --blue-soft: #16294a;
  --orange: #ffd166;
  --orange-soft: #4b3a1d;
  --red: #ff6b7a;
  --cream: #101a32;
  --lamp-core: #bce9ff;
  --lamp-glow: rgba(125, 211, 252, 0.46);
  --star-1: rgba(255, 252, 224, 0.92);
  --star-2: rgba(125, 211, 252, 0.82);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

html.theme-transition *,
html.theme-transition *::before,
html.theme-transition *::after {
  transition:
    background-color 620ms ease,
    background 620ms ease,
    border-color 620ms ease,
    box-shadow 620ms ease,
    color 620ms ease,
    opacity 620ms ease,
    transform 220ms ease;
}

body {
  color: var(--ink);
  overflow-x: clip;
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(37, 35, 31, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 35, 31, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 78% 24%, transparent 0 22px, rgba(37, 35, 31, 0.22) 23px 25px, transparent 26px),
    radial-gradient(circle at 78% 24%, rgba(85, 127, 155, 0.28) 0 18px, rgba(255, 243, 214, 0.22) 19px 22px, transparent 23px),
    radial-gradient(circle at 12% 64%, transparent 0 15px, rgba(37, 35, 31, 0.18) 16px 18px, transparent 19px),
    radial-gradient(circle at 12% 64%, rgba(199, 109, 69, 0.24) 0 13px, rgba(255, 243, 214, 0.22) 14px 16px, transparent 17px);
  background-size: 8px 8px, 8px 8px, 360px 360px, 360px 360px, 280px 280px, 280px 280px;
  background-position: 0 0, 0 0, right 8% top 12%, right 8% top 12%, left 5% top 52%, left 5% top 52%;
  background-attachment: fixed;
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.58;
}

html[data-theme="night"] body {
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 12% 16%, var(--star-1) 0 1px, transparent 2px),
    radial-gradient(circle at 24% 76%, var(--star-2) 0 1px, transparent 2px),
    radial-gradient(circle at 58% 22%, var(--star-1) 0 1px, transparent 2px),
    radial-gradient(circle at 78% 62%, var(--star-2) 0 1px, transparent 2px),
    radial-gradient(ellipse at 24% 32%, rgba(125, 211, 252, 0.12), transparent 32%),
    linear-gradient(180deg, #050814 0%, #09132b 54%, #050814 100%);
  background-size: 92px 92px, 130px 130px, 170px 170px, 116px 116px, auto, auto;
  background-position: 0 0, 18px 42px, 70px 20px, 38px 88px, center, center;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
}

body::before {
  background:
    radial-gradient(circle at 9% 18%, var(--ink) 0 1px, transparent 2px),
    radial-gradient(circle at 42% 12%, var(--ink) 0 1px, transparent 2px),
    radial-gradient(circle at 58% 36%, var(--ink) 0 1px, transparent 2px),
    radial-gradient(circle at 88% 58%, var(--ink) 0 1px, transparent 2px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.14) 0 1px, transparent 1px 4px);
  background-size: 180px 180px, 220px 220px, 260px 260px, 210px 210px, auto;
  opacity: 0.48;
  mix-blend-mode: multiply;
}

html[data-theme="night"] body::before {
  opacity: 0.82;
  mix-blend-mode: screen;
  background:
    radial-gradient(circle at 9% 18%, var(--star-1) 0 1px, transparent 2px),
    radial-gradient(circle at 42% 12%, var(--star-2) 0 1px, transparent 2px),
    radial-gradient(circle at 58% 36%, var(--star-1) 0 1px, transparent 2px),
    radial-gradient(circle at 88% 58%, var(--star-2) 0 1px, transparent 2px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.07) 0 1px, transparent 1px 5px);
  background-size: 180px 180px, 220px 220px, 260px 260px, 210px 210px, auto;
}

body::after {
  z-index: -1;
  border: 0;
  background:
    linear-gradient(90deg, rgba(37, 35, 31, 0.14) 0 2px, transparent 2px 10px),
    linear-gradient(0deg, rgba(37, 35, 31, 0.08) 0 2px, transparent 2px 10px);
  background-size: 120px 120px;
  background-position: right 10% top 12%;
  opacity: 0.34;
  mix-blend-mode: multiply;
}

html[data-theme="night"] body::after {
  opacity: 0.52;
  mix-blend-mode: screen;
  background:
    linear-gradient(90deg, rgba(125, 211, 252, 0.13) 0 2px, transparent 2px 12px),
    linear-gradient(0deg, rgba(125, 211, 252, 0.08) 0 2px, transparent 2px 12px);
  background-size: 120px 120px;
}

button,
input {
  font: inherit;
}

a,
button {
  color: inherit;
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: var(--edge-sm) dashed var(--red);
  outline-offset: 4px;
}

p,
span,
a,
button,
input,
h1 {
  overflow-wrap: anywhere;
}

.auth-shell {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 44px 32px;
  isolation: isolate;
}

.auth-shell::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 9px;
  border-bottom: var(--edge) solid var(--line);
  background: repeating-linear-gradient(90deg, var(--blue) 0 18px, var(--orange) 18px 36px, var(--red) 36px 54px);
}

.auth-scenery {
  position: absolute;
  right: max(18px, calc(50% - 620px));
  bottom: max(18px, calc(50% - 378px));
  z-index: 0;
  width: min(390px, 38vw);
  height: 238px;
  border: var(--edge) solid var(--line);
  background:
    linear-gradient(rgba(37, 35, 31, 0.06) 50%, transparent 50%),
    linear-gradient(90deg, rgba(37, 35, 31, 0.06) 50%, transparent 50%),
    var(--blue-soft);
  background-size: 16px 16px;
  box-shadow: var(--shadow);
  opacity: 0.58;
}

.auth-scenery::before {
  content: "PRIVATE SIGNAL";
  position: absolute;
  top: -17px;
  left: 14px;
  padding: 5px 9px;
  border: var(--edge-sm) solid var(--line);
  color: var(--cream);
  background: var(--blue);
  font-family: var(--font-pixel);
  font-size: 0.5rem;
  line-height: 1.5;
}

.auth-scenery::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: var(--edge-sm) dashed rgba(37, 35, 31, 0.42);
  pointer-events: none;
}

html[data-theme="night"] .auth-scenery::after {
  border-color: rgba(139, 188, 255, 0.42);
}

.auth-sun {
  position: absolute;
  top: 26px;
  right: 64px;
  width: 52px;
  height: 52px;
  border: var(--edge) solid var(--line);
  background: var(--orange-soft);
  box-shadow: 4px 4px 0 var(--ink);
}

.auth-mountain {
  position: absolute;
  bottom: 42px;
  display: block;
  border-bottom: var(--edge) solid var(--line);
  background: var(--blue);
  clip-path: polygon(0 100%, 16% 56%, 26% 70%, 40% 30%, 52% 66%, 66% 24%, 78% 76%, 90% 44%, 100% 100%);
}

.mountain-back {
  left: 18px;
  width: 210px;
  height: 126px;
  opacity: 0.56;
}

.mountain-mid {
  right: 34px;
  width: 230px;
  height: 146px;
  background: var(--orange-soft);
  opacity: 0.72;
}

.mountain-front {
  left: 90px;
  width: 240px;
  height: 118px;
  background: var(--paper-panel);
  opacity: 0.86;
}

.auth-shore {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 62px;
  border-top: var(--edge) solid var(--line);
  background: repeating-linear-gradient(90deg, var(--blue) 0 18px, var(--cream) 18px 36px, var(--red) 36px 54px);
}

.auth-rock {
  position: absolute;
  bottom: 24px;
  display: block;
  border: var(--edge-sm) solid var(--line);
  background: var(--orange);
  box-shadow: 3px 3px 0 var(--ink);
}

.rock-left {
  left: 28px;
  width: 52px;
  height: 34px;
}

.rock-right {
  right: 42px;
  width: 42px;
  height: 28px;
  background: var(--red);
}

.auth-panel {
  position: relative;
  z-index: 3;
  width: min(980px, 100%);
  min-height: 500px;
  display: grid;
  grid-template-columns: minmax(280px, 0.84fr) minmax(520px, 1.16fr);
  gap: 0;
  border: var(--edge) solid var(--line);
  color: var(--ink);
  background: var(--paper-panel);
  box-shadow: var(--shadow);
  transition: transform 360ms ease, opacity 360ms ease, box-shadow 240ms ease;
}

.auth-panel::before {
  content: "ACCESS TERMINAL";
  position: absolute;
  top: -18px;
  left: 18px;
  padding: 5px 10px;
  border: var(--edge-sm) solid var(--line);
  color: var(--cream);
  background: var(--red);
  font-family: var(--font-pixel);
  font-size: 0.54rem;
  line-height: 1.5;
}

.auth-panel::after {
  content: "<3";
  position: absolute;
  right: 18px;
  bottom: 14px;
  color: var(--red);
  font-family: var(--font-pixel);
  font-size: 1rem;
}

.auth-shell.is-verifying .auth-panel {
  box-shadow: 3px 3px 0 var(--ink);
  transform: translate(3px, 3px);
}

.auth-shell.is-success .auth-panel {
  opacity: 0;
  transform: translateY(8px) scale(0.96);
}

.auth-brand {
  position: relative;
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 22px;
  min-width: 0;
  padding: 64px 34px 56px;
  border-right: var(--edge) solid var(--line);
  background:
    linear-gradient(90deg, rgba(37, 35, 31, 0.06) 50%, transparent 50%),
    linear-gradient(rgba(37, 35, 31, 0.06) 50%, transparent 50%),
    var(--orange-soft);
  background-size: 14px 14px;
}

.auth-brand > div:first-child {
  display: grid;
  gap: 16px;
  max-width: 280px;
}

.auth-tools {
  position: absolute;
  top: 14px;
  right: 16px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.auth-tools a,
.auth-social a,
.auth-foot a {
  color: inherit;
  text-decoration: none;
}

.auth-tools > a {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: var(--edge) solid var(--line);
  background: var(--cream);
  box-shadow: 3px 3px 0 var(--ink);
}

.auth-tools > a:hover,
.auth-social a:hover,
.auth-foot a:hover {
  background: var(--blue-soft);
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--ink);
}

.auth-kicker,
.auth-mode-label {
  width: fit-content;
  margin: 0;
  padding: 6px 10px;
  border: var(--edge-sm) solid var(--line);
  color: var(--cream);
  background: var(--blue);
  font-family: var(--font-pixel);
  font-size: 0.56rem;
  line-height: 1.55;
  box-shadow: 3px 3px 0 var(--ink);
}

.auth-brand h1 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-pixel);
  font-size: 2.9rem;
  line-height: 1.16;
  letter-spacing: 0;
  text-shadow: 4px 4px 0 var(--paper-panel);
}

.auth-brand h1::after {
  content: ".";
  color: var(--red);
}

.auth-tagline,
.auth-hint,
.auth-status,
.auth-foot,
.auth-field {
  font-weight: 800;
}

.auth-tagline {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: 0;
  padding: 78px 38px 50px;
}

.auth-tabs {
  width: min(var(--auth-form-width), 100%);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
  border: var(--edge) solid var(--line);
  background: var(--line);
  box-shadow: 3px 3px 0 var(--ink);
}

.auth-tab {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 0;
  color: var(--ink);
  background: var(--cream);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 900;
  line-height: 1.25;
  box-shadow: none;
}

.auth-tab + .auth-tab {
  border-left: var(--edge-sm) solid var(--line);
}

.auth-tab:hover,
.auth-tab.is-active {
  background: var(--blue-soft);
  transform: none;
  box-shadow: none;
}

.auth-tab:active {
  transform: none;
  box-shadow: none;
}

.auth-channel {
  width: min(var(--auth-form-width), 100%);
  display: none;
  gap: 16px;
  animation: authChannelIn 180ms ease;
}

.auth-channel.is-active {
  display: grid;
}

.auth-channel[hidden] {
  display: none;
}

.auth-mode-label {
  color: var(--ink);
  background: var(--orange-soft);
}

.auth-field-group {
  display: grid;
  gap: 8px;
}

.auth-field {
  display: grid;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.auth-field input {
  width: 100%;
  min-height: 46px;
  border: var(--edge) solid var(--line);
  outline: 0;
  padding: 0 12px;
  color: var(--ink);
  background: var(--paper-panel);
  font-weight: 800;
  box-shadow: 3px 3px 0 var(--ink);
}

.auth-field input:focus {
  background: var(--blue-soft);
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--ink);
}

.auth-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.48;
}

.auth-input-action {
  position: relative;
  display: block;
}

.auth-input-action input {
  padding-right: 98px;
}

.auth-input-action button {
  position: absolute;
  top: 50%;
  right: 10px;
  border: 0;
  color: var(--blue);
  background: transparent;
  font-size: 0.82rem;
  font-weight: 900;
  transform: translateY(-50%);
}

.auth-input-action button:disabled {
  color: var(--muted);
  cursor: not-allowed;
}

.auth-check {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.8rem;
  cursor: pointer;
}

.auth-check input {
  width: 14px;
  height: 14px;
  accent-color: var(--orange);
}

.auth-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 4px;
}

.auth-social {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 900;
}

.auth-social a {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: var(--edge) solid var(--line);
  background: var(--cream);
  font-size: 1.08rem;
  box-shadow: 3px 3px 0 var(--ink);
}

.auth-submit {
  min-width: 140px;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: var(--edge) solid var(--line);
  color: var(--ink);
  background: var(--orange-soft);
  cursor: pointer;
  font-weight: 900;
  line-height: 1.2;
  box-shadow: 4px 4px 0 var(--ink);
}

.auth-submit:hover {
  background: var(--orange);
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink);
}

.auth-submit:active {
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 var(--ink);
}

.auth-submit:disabled {
  cursor: wait;
  filter: grayscale(0.25);
  opacity: 0.72;
}

.auth-status {
  width: min(var(--auth-form-width), 100%);
  min-height: 22px;
  margin: 0;
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.48;
}

.auth-status.is-error {
  color: var(--red);
}

.auth-status.is-ok {
  color: var(--blue);
}

.auth-foot {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding: 12px 28px;
  border-top: var(--edge) solid var(--line);
  color: var(--ink-soft);
  background: var(--cream);
  font-size: 0.76rem;
}

.auth-foot a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 8px;
  border: var(--edge-sm) solid var(--line);
  background: var(--paper-panel);
  box-shadow: 2px 2px 0 var(--ink);
  font-size: 0.74rem;
}

.auth-foot a:hover {
  background: var(--paper-panel);
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--ink);
}

.auth-transition {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: rgba(244, 234, 214, 0.94);
  opacity: 0;
  pointer-events: none;
  transform: scale(0.96);
  transition: opacity 420ms ease, transform 520ms ease;
}

html[data-theme="night"] .auth-transition {
  background: rgba(5, 8, 20, 0.94);
}

.auth-transition.is-active {
  opacity: 1;
  transform: scale(1);
}

.auth-transition span {
  padding: 10px 14px;
  border: var(--edge) solid var(--line);
  color: var(--ink);
  background: var(--paper-panel);
  font-family: var(--font-pixel);
  font-size: 0.62rem;
  box-shadow: var(--shadow);
}

.theme-lamp {
  position: relative;
  width: 44px;
  height: 52px;
  display: inline-grid;
  justify-items: center;
  border: 0;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transform-origin: top center;
}

.theme-lamp:hover {
  animation: lampSwing 760ms ease-in-out;
}

.theme-lamp:focus-visible {
  outline: var(--edge-sm) dashed var(--red);
  outline-offset: 3px;
}

.lamp-cord {
  width: var(--edge-sm);
  height: 18px;
  background: var(--line);
  box-shadow: 5px 0 0 rgba(37, 35, 31, 0.12);
}

.lamp-head {
  position: relative;
  z-index: 2;
  width: 32px;
  height: 21px;
  margin-top: -2px;
  border: var(--edge) solid var(--line);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.16) 0 45%, transparent 45%),
    var(--orange-soft);
  box-shadow: 3px 3px 0 var(--line);
  clip-path: polygon(14% 0, 86% 0, 100% 100%, 0 100%);
}

.lamp-head::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -7px;
  width: 9px;
  height: 8px;
  border: var(--edge-sm) solid var(--line);
  background: var(--lamp-core);
  transform: translateX(-50%);
}

.lamp-glow {
  position: absolute;
  top: 29px;
  left: 50%;
  z-index: 1;
  width: 40px;
  height: 26px;
  background:
    linear-gradient(90deg, transparent 0 7px, var(--lamp-glow) 7px 33px, transparent 33px),
    linear-gradient(90deg, transparent 0 14px, rgba(255, 255, 255, 0.26) 14px 26px, transparent 26px);
  opacity: 0.86;
  transform: translateX(-50%);
  clip-path: polygon(28% 0, 72% 0, 100% 100%, 0 100%);
}

html[data-theme="night"] .lamp-head {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.16) 0 45%, transparent 45%),
    #0d2448;
}

html[data-theme="night"] .lamp-glow {
  width: 48px;
  height: 36px;
  opacity: 1;
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 255, 255, 0.92) 0 2px, transparent 3px),
    radial-gradient(circle at 28% 58%, var(--star-2) 0 1px, transparent 2px),
    radial-gradient(circle at 70% 52%, var(--star-1) 0 1px, transparent 2px),
    linear-gradient(90deg, transparent 0 7px, var(--lamp-glow) 7px 41px, transparent 41px);
}

@keyframes authChannelIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes lampSwing {
  0%,
  100% {
    transform: rotate(0deg);
  }

  25% {
    transform: rotate(4deg);
  }

  62% {
    transform: rotate(-3deg);
  }
}

@media (max-width: 860px) {
  .auth-shell {
    padding: 42px 22px 24px;
  }

  .auth-scenery {
    width: min(360px, 78vw);
    height: 190px;
    right: 22px;
    bottom: 20px;
    opacity: 0.34;
  }

  .auth-panel {
    grid-template-columns: 1fr;
  }

  .auth-brand {
    min-height: 220px;
    padding: 58px 24px 28px;
    border-right: 0;
    border-bottom: var(--edge) solid var(--line);
    text-align: center;
    justify-items: center;
  }

  .auth-brand h1 {
    font-size: 2.35rem;
  }

  .auth-form {
    padding: 26px 24px 34px;
  }

  .auth-mode-label {
    justify-self: center;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 14px;
    background-attachment: scroll;
  }

  body::before,
  body::after {
    opacity: 0.32;
  }

  .auth-shell {
    padding: 38px 18px 20px;
  }

  .auth-scenery {
    display: none;
  }

  .auth-panel::after {
    display: none;
  }

  .auth-brand h1 {
    font-size: 1.95rem;
  }

  .auth-row,
  .auth-foot {
    grid-template-columns: 1fr;
  }

  .auth-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .auth-row,
  .auth-foot {
    align-items: stretch;
    flex-direction: column;
  }

  .auth-submit {
    width: 100%;
  }
}