:root {
  color-scheme: light;
  --login-bg: #f3f8fd;
  --login-surface: #ffffff;
  --login-surface-soft: #f7fbfe;
  --login-ink: #101b28;
  --login-ink-soft: #34465a;
  --login-muted: #66788b;
  --login-line: rgba(16, 41, 66, 0.14);
  --login-line-strong: rgba(16, 41, 66, 0.24);
  --login-accent: #005096;
  --login-accent-strong: #003b72;
  --login-accent-soft: #e6f0fa;
  --login-danger: #a3271f;
  --login-danger-soft: #fbecea;
  --login-shadow: 0 34px 90px -34px rgba(12, 42, 73, 0.34);
  --login-font: "Avenir Next", Avenir, "Segoe UI Variable Text", "Segoe UI",
    system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial,
    sans-serif;
}

[data-theme="dark"] {
  color-scheme: dark;
  --login-bg: #070c12;
  --login-surface: #0d1621;
  --login-surface-soft: #111c29;
  --login-ink: #eaf2fb;
  --login-ink-soft: #c8d7e8;
  --login-muted: #92a5ba;
  --login-line: rgba(174, 201, 229, 0.16);
  --login-line-strong: rgba(174, 201, 229, 0.3);
  --login-accent: #7fb4e8;
  --login-accent-strong: #4b8ecf;
  --login-accent-soft: #152a40;
  --login-danger: #ff9a90;
  --login-danger-soft: #351714;
  --login-shadow: 0 34px 90px -28px rgba(0, 0, 0, 0.7);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body.login-page {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background:
    radial-gradient(900px 520px at 12% -10%, rgba(0, 80, 150, 0.13), transparent 62%),
    radial-gradient(700px 460px at 92% 108%, rgba(0, 80, 150, 0.1), transparent 58%),
    var(--login-bg);
  color: var(--login-ink);
  font-family: var(--login-font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.login-page::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: repeating-radial-gradient(
    circle at 50% 50%,
    transparent 0 54px,
    rgba(0, 80, 150, 0.035) 55px 56px,
    transparent 57px 110px
  );
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 0 38%, transparent 75%);
  mask-image: radial-gradient(circle at 50% 50%, #000 0 38%, transparent 75%);
  pointer-events: none;
}

[data-theme="dark"] body.login-page::before {
  background-image: repeating-radial-gradient(
    circle at 50% 50%,
    transparent 0 54px,
    rgba(160, 200, 240, 0.05) 55px 56px,
    transparent 57px 110px
  );
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.disc-hole {
  fill: currentColor;
  stroke: none;
}

.login-controls {
  position: fixed;
  top: 22px;
  right: 22px;
  z-index: 2;
  display: flex;
  gap: 8px;
}

.login-control {
  display: inline-grid;
  place-items: center;
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  border: 1px solid var(--login-line);
  border-radius: 999px;
  background: var(--login-surface);
  color: var(--login-ink-soft);
  font-family: inherit;
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  cursor: pointer;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: border-color 0.16s ease, color 0.16s ease,
    background 0.16s ease;
}

.login-control:hover {
  border-color: var(--login-line-strong);
  background: var(--login-surface);
  color: var(--login-ink);
}

.login-control:focus-visible {
  outline: 3px solid var(--login-accent-soft);
  outline-offset: 2px;
}

.login-theme {
  padding: 0;
}

.login-sun {
  display: none;
}

[data-theme="dark"] .login-sun {
  display: block;
}

[data-theme="dark"] .login-moon {
  display: none;
}

.login-shell {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 32px 20px;
}

.login-card {
  position: relative;
  width: min(420px, 100%);
  padding: 38px 36px 28px;
  overflow: hidden;
  border: 1px solid var(--login-line);
  border-radius: 26px;
  background: linear-gradient(
    158deg,
    var(--login-surface) 0%,
    var(--login-surface-soft) 100%
  );
  box-shadow: var(--login-shadow);
}

.login-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--login-accent),
    transparent
  );
  opacity: 0.75;
}

.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.login-mark {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 1px solid var(--login-line-strong);
  border-radius: 50%;
  background: var(--login-accent-soft);
  color: var(--login-accent);
  box-shadow: 0 16px 40px -24px var(--login-accent);
}

.login-mark .icon {
  width: 31px;
  height: 31px;
}

.login-word {
  color: var(--login-ink-soft);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

.login-card h1 {
  margin: 24px 0 0;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  text-align: center;
}

.login-subtitle {
  max-width: 32ch;
  margin: 8px auto 0;
  color: var(--login-muted);
  font-size: 0.9rem;
  text-align: center;
}

.login-form {
  display: grid;
  gap: 15px;
  margin-top: 28px;
}

.login-field {
  display: grid;
  gap: 6px;
}

.login-field label {
  color: var(--login-muted);
  font-size: 0.66rem;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.login-field input {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border: 1px solid var(--login-line);
  border-radius: 12px;
  background: var(--login-surface);
  color: var(--login-ink);
  font-family: inherit;
  font-size: 0.92rem;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.login-field input::placeholder {
  color: var(--login-muted);
  opacity: 0.72;
}

.login-field input:focus {
  border-color: var(--login-accent);
  outline: none;
  box-shadow: 0 0 0 4px var(--login-accent-soft);
}

.login-password {
  position: relative;
}

.login-password input {
  padding-right: 52px;
}

.login-reveal {
  position: absolute;
  top: 50%;
  right: 7px;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--login-muted);
  cursor: pointer;
  transform: translateY(-50%);
}

.login-reveal:hover {
  background: var(--login-accent-soft);
  color: var(--login-accent);
}

.login-reveal:focus-visible {
  outline: 2px solid var(--login-accent);
  outline-offset: 1px;
}

.login-reveal .icon {
  width: 18px;
  height: 18px;
}

.login-reveal .icon-eye-off {
  display: none;
}

.login-reveal.is-visible .icon-eye {
  display: none;
}

.login-reveal.is-visible .icon-eye-off {
  display: block;
}

.login-remember {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  color: var(--login-muted);
  font-size: 0.78rem;
  cursor: pointer;
  user-select: none;
}

.login-remember input {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--login-accent);
}

.login-error {
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--login-danger-soft);
  border-radius: 10px;
  background: var(--login-danger-soft);
  color: var(--login-danger);
  font-size: 0.8rem;
}

.login-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 100%;
  height: 48px;
  margin-top: 3px;
  padding: 0 18px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(
    135deg,
    var(--login-accent) 0%,
    var(--login-accent-strong) 100%
  );
  color: #ffffff;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 18px 34px -20px var(--login-accent);
  transition: transform 0.14s ease, filter 0.14s ease;
}

.login-submit:hover:not(:disabled) {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.login-submit:active:not(:disabled) {
  transform: translateY(0);
}

.login-submit:focus-visible {
  outline: 3px solid var(--login-accent-soft);
  outline-offset: 2px;
}

.login-submit:disabled {
  cursor: wait;
  opacity: 0.72;
}

.login-submit-icon {
  width: 17px;
  height: 17px;
  opacity: 0.78;
}

.login-submit.is-busy .login-submit-icon {
  animation: login-spin 1.1s linear infinite;
}

.login-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 24px 0 0;
  color: var(--login-muted);
  font-size: 0.66rem;
}

.login-dot {
  opacity: 0.6;
}

@keyframes login-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 520px) {
  .login-controls {
    top: 14px;
    right: 14px;
  }

  .login-shell {
    padding: 78px 16px 24px;
  }

  .login-card {
    padding: 32px 22px 24px;
    border-radius: 22px;
  }

  .login-card h1 {
    font-size: 1.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}