:root {
  color-scheme: light;
  --login-page: #f3f6f8;
  --login-surface: #ffffff;
  --login-surface-soft: #f5f8fa;
  --login-text: #18242b;
  --login-copy: #42545e;
  --login-muted: #71818a;
  --login-line: #d6e0e5;
  --login-line-strong: #b6c7d0;
  --login-primary: #1f6f8b;
  --login-primary-strong: #174f67;
  --login-primary-soft: #dcecf2;
  --login-focus: #287f9d;
  --login-danger: #aa3029;
  --login-success: #176b4b;
  --login-warning: #966416;
  --login-shadow: 0 1.8rem 5rem rgba(22, 48, 60, 0.15);
  --login-shadow-soft: 0 0.8rem 2rem rgba(22, 48, 60, 0.09);
}

html[data-auth-theme="dark"] {
  color-scheme: dark;
  --login-page: #10171b;
  --login-surface: #182126;
  --login-surface-soft: #1d292f;
  --login-text: #f1f6f8;
  --login-copy: #ced9de;
  --login-muted: #9dabb2;
  --login-line: #34454e;
  --login-line-strong: #536873;
  --login-primary: #72b8d0;
  --login-primary-strong: #4e9bb7;
  --login-primary-soft: #203b47;
  --login-focus: #81c6dd;
  --login-danger: #ff928a;
  --login-success: #82d5aa;
  --login-warning: #f0bf71;
  --login-shadow: 0 1.8rem 5rem rgba(0, 0, 0, 0.4);
  --login-shadow-soft: 0 0.8rem 2rem rgba(0, 0, 0, 0.24);
}

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

html,
body {
  min-width: 320px;
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--login-copy);
  background:
    radial-gradient(circle at 8% 8%, rgba(76, 154, 181, 0.12), transparent 24rem),
    radial-gradient(circle at 92% 88%, rgba(31, 111, 139, 0.1), transparent 27rem),
    var(--login-page);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--login-focus);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.7rem 0.9rem;
  border-radius: 0.7rem;
  color: var(--login-surface);
  background: var(--login-text);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-140%);
}

.skip-link:focus {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.login-stage {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 3rem);
}

.login-shell {
  width: min(100%, 1120px);
  min-height: min(47rem, calc(100svh - 2rem));
  display: grid;
  grid-template-columns: minmax(22rem, 0.86fr) minmax(28rem, 1.14fr);
  overflow: hidden;
  border: 1px solid var(--login-line);
  border-radius: 1.75rem;
  background: var(--login-surface);
  box-shadow: var(--login-shadow);
}

.login-visual {
  position: relative;
  min-height: 100%;
  overflow: hidden;
  background: #24353d;
}

.login-visual picture,
.login-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.login-visual img {
  object-fit: cover;
  object-position: center;
}

.login-visual__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(15, 35, 44, 0.22), rgba(10, 27, 34, 0.88)),
    linear-gradient(120deg, rgba(31, 111, 139, 0.2), transparent 55%);
}

.login-visual__content {
  position: relative;
  z-index: 1;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  padding: clamp(1.4rem, 3vw, 2.4rem);
  color: #ffffff;
}

.login-brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.login-brand__mark {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 50%;
  color: #ffffff;
  background: var(--login-primary-strong);
  font-size: 0.86rem;
  font-weight: 850;
}

.login-brand > span:last-child {
  min-width: 0;
  display: grid;
}

.login-brand strong {
  color: var(--login-text);
  font-size: 0.8rem;
  line-height: 1.2;
}

.login-brand small {
  color: var(--login-muted);
  font-size: 0.68rem;
}

.login-brand--light strong,
.login-brand--light small {
  color: #ffffff;
}

.login-brand--light small {
  opacity: 0.76;
}

.login-visual__message {
  max-width: 29rem;
  margin-block: auto;
}

.login-eyebrow {
  margin: 0 0 0.8rem;
  color: var(--login-primary);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.login-visual .login-eyebrow {
  color: #b9e1ee;
}

.login-visual__message h1 {
  max-width: 11ch;
  margin: 0;
  color: #ffffff;
  font-size: clamp(2.7rem, 4vw, 4.25rem);
  font-weight: 850;
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.login-visual__message > p:last-child {
  max-width: 29rem;
  margin: 1.15rem 0 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.94rem;
}

.login-visual__points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.login-visual__points li {
  padding: 0.45rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(10, 28, 35, 0.38);
  font-size: 0.7rem;
  font-weight: 720;
  backdrop-filter: blur(10px);
}

.login-panel {
  min-width: 0;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: var(--login-surface);
}

.login-card {
  width: min(100%, 31rem);
}

.login-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.login-topbar__actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.login-action {
  min-height: 2.55rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--login-line);
  border-radius: 0.75rem;
  color: var(--login-muted);
  background: var(--login-surface-soft);
  font-size: 0.72rem;
  font-weight: 760;
  cursor: pointer;
}

.login-action:hover {
  border-color: var(--login-line-strong);
  color: var(--login-text);
}

.login-heading {
  margin-bottom: 1.5rem;
}

.login-heading h2 {
  margin: 0;
  color: var(--login-text);
  font-size: clamp(2.2rem, 5vw, 3.25rem);
  font-weight: 850;
  line-height: 1;
  letter-spacing: -0.055em;
}

.login-heading > p:last-child {
  margin: 0.8rem 0 0;
  color: var(--login-muted);
  font-size: 0.9rem;
}

.login-form-content {
  display: grid;
  gap: 1rem;
}

.form-group {
  display: grid;
  gap: 0.4rem;
}

.form-group label {
  color: var(--login-text);
  font-size: 0.76rem;
  font-weight: 780;
}

.input-shell {
  position: relative;
  display: flex;
  align-items: center;
}

.input-shell input {
  width: 100%;
  min-height: 3.2rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--login-line);
  border-radius: 0.85rem;
  color: var(--login-text);
  background: var(--login-surface-soft);
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.password-wrapper input {
  padding-right: 5.7rem;
}

.input-shell input::placeholder {
  color: var(--login-muted);
  opacity: 0.76;
}

.input-shell input:focus {
  border-color: var(--login-primary);
  background: var(--login-surface);
  box-shadow: 0 0 0 0.22rem rgba(31, 111, 139, 0.14);
  outline: 0;
}

.input-shell.is-valid input {
  border-color: var(--login-success);
}

.input-shell.is-invalid input {
  border-color: var(--login-danger);
}

.input-hint {
  min-height: 1.1rem;
  margin: 0;
  color: var(--login-muted);
  font-size: 0.68rem;
}

.input-hint.is-valid {
  color: var(--login-success);
}

.input-hint.is-invalid {
  color: var(--login-danger);
}

.toggle-password {
  position: absolute;
  right: 0.45rem;
  min-height: 2.25rem;
  padding: 0.45rem 0.65rem;
  border-radius: 0.6rem;
  color: var(--login-primary);
  background: transparent;
  font-size: 0.68rem;
  font-weight: 780;
  cursor: pointer;
}

.toggle-password:hover {
  background: var(--login-primary-soft);
}

.submit-btn {
  min-height: 3.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  margin-top: 0.25rem;
  border-radius: 0.85rem;
  color: #ffffff;
  background: var(--login-primary-strong);
  box-shadow: 0 0.8rem 1.8rem rgba(23, 79, 103, 0.2);
  font-size: 0.86rem;
  font-weight: 820;
  cursor: pointer;
  transition:
    background 160ms ease,
    transform 160ms ease,
    box-shadow 160ms ease;
}

.submit-btn:hover {
  background: var(--login-primary);
  box-shadow: 0 1rem 2.2rem rgba(23, 79, 103, 0.25);
  transform: translateY(-1px);
}

.submit-btn:disabled {
  opacity: 0.68;
  cursor: wait;
  transform: none;
}

.btn-loader {
  width: 1rem;
  height: 1rem;
  display: none;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: login-spin 700ms linear infinite;
}

.submit-btn.loading .btn-loader {
  display: block;
}

.form-footer {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
  margin-top: 0.2rem;
}

.footer-link {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--login-line);
  border-radius: 0.8rem;
  color: var(--login-copy);
  background: var(--login-surface-soft);
  font-size: 0.72rem;
  font-weight: 760;
  cursor: pointer;
}

.footer-link:hover {
  border-color: var(--login-primary);
  color: var(--login-primary);
}

.footer-link:disabled {
  opacity: 0.6;
  cursor: wait;
}

.login-alert,
.auth-security-alert {
  margin-bottom: 0.9rem;
}

.login-alert {
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--login-line);
  border-radius: 0.75rem;
  color: var(--login-copy);
  background: var(--login-surface-soft);
  font-size: 0.76rem;
  font-weight: 700;
}

.login-alert.is-hidden,
.auth-security-alert.is-hidden {
  display: none;
}

.alert-danger,
.alert-error {
  border-color: color-mix(in srgb, var(--login-danger) 34%, var(--login-line));
  color: var(--login-danger);
}

.alert-success {
  border-color: color-mix(in srgb, var(--login-success) 34%, var(--login-line));
  color: var(--login-success);
}

.auth-security-alert {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem;
  padding: 0.85rem;
  border: 1px solid color-mix(in srgb, var(--login-danger) 28%, var(--login-line));
  border-radius: 0.85rem;
  background: color-mix(in srgb, var(--login-danger) 8%, var(--login-surface));
}

.auth-security-alert__mark {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--login-danger);
  background: color-mix(in srgb, var(--login-danger) 12%, transparent);
  font-weight: 900;
}

.auth-security-alert__content {
  min-width: 0;
}

.auth-security-alert__content strong {
  color: var(--login-text);
  font-size: 0.78rem;
}

.auth-security-alert__content p {
  margin: 0.25rem 0 0;
  color: var(--login-copy);
  font-size: 0.72rem;
}

.auth-security-alert__action {
  display: inline-flex;
  margin-top: 0.55rem;
  color: var(--login-danger);
  font-size: 0.7rem;
  font-weight: 800;
}

.login-server-messages {
  display: grid;
  gap: 0.65rem;
  margin-bottom: 0.9rem;
}

.login-privacy {
  margin: 1.2rem 0 0;
  color: var(--login-muted);
  font-size: 0.66rem;
  text-align: center;
}

.is-hidden {
  display: none !important;
}

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

@media (max-width: 900px) {
  .login-stage {
    padding: 1rem;
  }

  .login-shell {
    grid-template-columns: minmax(18rem, 0.72fr) minmax(25rem, 1fr);
  }

  .login-visual__message h1 {
    font-size: clamp(2.4rem, 5vw, 3.4rem);
  }

  .login-panel {
    padding: 1.4rem;
  }
}

@media (max-width: 720px) {
  .login-stage {
    display: block;
    padding: 0;
  }

  .login-shell {
    width: 100%;
    min-height: 100svh;
    grid-template-columns: 1fr;
    border: 0;
    border-radius: 0;
  }

  .login-visual {
    min-height: 12rem;
  }

  .login-visual__content {
    min-height: 12rem;
    justify-content: space-between;
    padding: 1.1rem;
  }

  .login-visual__message {
    margin: auto 0 0;
  }

  .login-visual__message h1 {
    max-width: 17ch;
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }

  .login-visual__message > p:last-child,
  .login-visual__points {
    display: none;
  }

  .login-panel {
    align-items: start;
    padding: 1.25rem 1rem 2rem;
  }

  .login-card {
    margin-inline: auto;
  }

  .login-topbar {
    margin-bottom: 2rem;
  }
}

@media (max-width: 480px) {
  .login-visual {
    min-height: 10rem;
  }

  .login-visual__content {
    min-height: 10rem;
  }

  .login-visual__message h1 {
    font-size: 1.75rem;
  }

  .login-brand small,
  .login-topbar .login-brand {
    display: none;
  }

  .login-topbar {
    justify-content: flex-end;
  }

  .login-action {
    min-height: 2.7rem;
  }

  .login-heading h2 {
    font-size: 2.3rem;
  }

  .form-footer {
    grid-template-columns: 1fr;
  }
}

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