.login-page,
.register-page {
  --auth-bg-top: #070b10;
  --auth-bg-bottom: #0b1118;
  --auth-panel: #121a24;
  --auth-panel-soft: #0f151d;
  --auth-border: #2a3644;
  --auth-border-soft: #3a4a5d;
  --auth-text: #f4f7fb;
  --auth-muted: #8fa0b3;
  --auth-blue: #3b82f6;
  --auth-blue-hover: #2563eb;
  --auth-cyan: #22d3ee;
  --auth-emerald: #34d399;
  --auth-font: "IBM Plex Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --auth-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.login-page,
.register-page {
  min-height: 100vh;
  margin: 0;
  display: flex;
  align-items: stretch;
  justify-content: center;
  overflow-x: hidden;
  font-family: var(--auth-font);
  background:
    radial-gradient(circle at 12% 18%, rgba(59, 130, 246, 0.14), transparent 34%),
    radial-gradient(circle at 86% 82%, rgba(34, 211, 238, 0.1), transparent 36%),
    radial-gradient(circle at 50% 100%, rgba(52, 211, 153, 0.08), transparent 42%),
    linear-gradient(180deg, var(--auth-bg-top) 0%, var(--auth-bg-bottom) 100%);
}

.auth-wrapper {
  width: 100%;
  min-height: 100vh;
  padding: clamp(0.75rem, 1.6vw, 1.5rem);
  display: flex;
  align-items: stretch;
  justify-content: center;
}

.auth-card {
  min-height: calc(100vh - (clamp(0.75rem, 1.6vw, 1.5rem) * 2));
  width: min(100%, 1700px);
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--auth-panel);
  border: 1px solid var(--auth-border);
  border-radius: clamp(14px, 1.4vw, 22px);
  overflow: hidden;
  box-shadow: 0 22px 54px rgba(2, 8, 20, 0.48);
}

.auth-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--auth-border);
  background: rgba(10, 15, 22, 0.72);
}

.auth-card-body {
  display: flex;
  flex: 1;
  min-height: 0;
}

.auth-locale {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem;
  border: 1px solid var(--auth-border-soft);
  border-radius: 999px;
  background: rgba(15, 21, 29, 0.88);
}

.auth-locale__link {
  min-width: 2.35rem;
  padding: 0.28rem 0.62rem;
  border-radius: 999px;
  color: var(--auth-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: center;
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.auth-locale__link:hover {
  color: var(--auth-text);
  background: rgba(59, 130, 246, 0.12);
}

.auth-locale__link.is-active {
  color: #eff6ff;
  background: linear-gradient(145deg, var(--auth-blue) 0%, var(--auth-blue-hover) 100%);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.28);
}

.auth-card-back {
  font-size: 0.84rem;
  color: var(--auth-cyan);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.auth-card-back:hover {
  color: #7dd3fc;
  text-decoration: underline;
}

.auth-left {
  width: 44%;
  min-width: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 3.2vw, 3.6rem);
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    var(--auth-panel);
  border-right: 1px solid var(--auth-border);
}

.form-shell {
  width: min(100%, 540px);
  display: flex;
  flex-direction: column;
  gap: clamp(0.7rem, 1.1vw, 1rem);
}

.left-top {
  margin-bottom: 4px;
}

.logo-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.auth-top-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.back-btn {
  font-size: 0.84rem;
  color: var(--auth-cyan);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.back-btn:hover {
  color: #7dd3fc;
  text-decoration: underline;
}

.form-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
}

.form-title {
  margin: 0;
  font-size: 2.15rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--auth-text);
  letter-spacing: -0.02em;
}

.form-subtitle {
  margin: 0;
  font-size: 0.96rem;
  color: var(--auth-muted);
}

.auth-success,
.auth-error {
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 0.88rem;
  line-height: 1.4;
}

.auth-success {
  background: rgba(6, 78, 59, 0.28);
  color: #8ef4c7;
  border: 1px solid rgba(16, 185, 129, 0.38);
}

.auth-error {
  background: rgba(127, 29, 29, 0.3);
  color: #fecaca;
  border: 1px solid rgba(248, 113, 113, 0.38);
}

.auth-error-list {
  margin: 0;
  padding-left: 18px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: clamp(0.6rem, 1vw, 0.9rem);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--auth-text);
}

.input-wrapper {
  height: clamp(46px, 3.1vw, 50px);
  border-radius: 12px;
  border: 1px solid var(--auth-border-soft);
  background: var(--auth-panel-soft);
  padding: 0 14px;
  display: flex;
  align-items: center;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.input-wrapper:hover {
  border-color: rgba(34, 211, 238, 0.28);
}

.input-wrapper:focus-within {
  border-color: var(--auth-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
  background: #141d29;
  transform: translateY(-1px);
}

.input-wrapper--password {
  padding-right: 8px;
}

.form-input {
  width: 100%;
  height: 100%;
  border: none;
  background: transparent;
  outline: none;
  color: var(--auth-text);
  font-size: 0.95rem;
}

.form-input::placeholder {
  color: var(--auth-muted);
}

.form-input.is-invalid {
  color: #fecaca;
}

.field-error {
  margin: 0;
  font-size: 0.8rem;
  color: #fca5a5;
}

.field-hint {
  margin: 0;
  min-height: 1rem;
  font-size: 0.78rem;
  color: var(--auth-muted);
}

.field-hint.is-match {
  color: #86efac;
}

.field-hint.is-mismatch {
  color: #fca5a5;
}

.password-strength {
  display: grid;
  gap: 0.35rem;
}

.password-strength__bar {
  height: 0.35rem;
  border-radius: 999px;
  background: rgba(58, 74, 93, 0.7);
  overflow: hidden;
}

.password-strength__fill {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #ef4444, #f59e0b, #34d399);
  transition: width 0.25s ease;
}

.password-strength[data-level="1"] .password-strength__fill {
  width: 25%;
  background: #ef4444;
}

.password-strength[data-level="2"] .password-strength__fill {
  width: 50%;
  background: #f59e0b;
}

.password-strength[data-level="3"] .password-strength__fill {
  width: 75%;
  background: #3b82f6;
}

.password-strength[data-level="4"] .password-strength__fill {
  width: 100%;
  background: #34d399;
}

.pwd-toggle {
  border: none;
  background: transparent;
  color: var(--auth-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color 0.2s ease;
}

.pwd-toggle:hover {
  color: var(--auth-text);
}

.options-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.options-row--terms {
  justify-content: flex-start;
}

.remember-me {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  color: var(--auth-muted);
  line-height: 1.45;
  cursor: pointer;
}

.remember-me input {
  position: absolute;
  opacity: 0;
}

.checkbox-box {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 1px solid var(--auth-border-soft);
  background: var(--auth-panel);
  flex-shrink: 0;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.remember-me input:checked + .checkbox-box {
  background: var(--auth-blue);
  border-color: var(--auth-blue);
}

.remember-me a,
.forgot-link {
  color: var(--auth-cyan);
  text-decoration: none;
  font-weight: 600;
}

.remember-me a:hover,
.forgot-link:hover {
  color: #7dd3fc;
  text-decoration: underline;
}

.btn-signin {
  height: clamp(46px, 3.1vw, 50px);
  margin-top: 2px;
  border: 1px solid rgba(59, 130, 246, 0.32);
  border-radius: 13px;
  background: linear-gradient(145deg, var(--auth-blue) 0%, var(--auth-blue-hover) 100%);
  color: #eff6ff;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(8, 47, 121, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease, opacity 0.2s ease;
}

.btn-signin:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(8, 47, 121, 0.45);
  filter: brightness(1.04);
}

.btn-signin.is-loading {
  opacity: 0.82;
  cursor: progress;
}

.form-footer {
  margin: 4px 0 0;
  font-size: 0.85rem;
  color: var(--auth-muted);
}

.form-footer a {
  color: var(--auth-cyan);
  font-weight: 600;
  text-decoration: none;
}

.form-footer a:hover {
  text-decoration: underline;
}

.auth-right {
  width: 56%;
  position: relative;
  padding: clamp(1.5rem, 3.2vw, 4rem) clamp(1.2rem, 3vw, 3.75rem) clamp(1.2rem, 2.6vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 18% 15%, rgba(59, 130, 246, 0.16), transparent 42%),
    radial-gradient(circle at 82% 82%, rgba(34, 211, 238, 0.12), transparent 45%),
    linear-gradient(180deg, #101720 0%, #0b1118 100%);
  overflow: hidden;
}

.visual-stage {
  width: min(100%, 640px);
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: clamp(0.8rem, 1.2vw, 1.4rem);
  align-items: center;
  justify-content: center;
}

.auth-telemetry-grid {
  position: absolute;
  inset: -12% -8%;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.06) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at 50% 40%, rgba(0, 0, 0, 0.9), transparent 78%);
  animation: auth-grid-drift 42s linear infinite;
  pointer-events: none;
}

.auth-telemetry-node {
  position: absolute;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  pointer-events: none;
  animation: auth-node-pulse 4.6s ease-in-out infinite;
}

.auth-telemetry-node--a {
  top: 18%;
  left: 14%;
  background: var(--auth-cyan);
  box-shadow: 0 0 0 6px rgba(34, 211, 238, 0.12);
}

.auth-telemetry-node--b {
  top: 34%;
  right: 12%;
  background: var(--auth-emerald);
  box-shadow: 0 0 0 6px rgba(52, 211, 153, 0.12);
  animation-delay: 1.1s;
}

.auth-telemetry-node--c {
  bottom: 20%;
  left: 24%;
  background: var(--auth-blue);
  box-shadow: 0 0 0 6px rgba(59, 130, 246, 0.12);
  animation-delay: 2s;
}

.telemetry-cards {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
  width: 100%;
}

.telemetry-card {
  border: 1px solid rgba(42, 54, 68, 0.88);
  border-radius: 0.9rem;
  padding: 0.7rem 0.75rem;
  background: rgba(15, 21, 29, 0.82);
  box-shadow: 0 12px 28px rgba(2, 8, 20, 0.28);
}

.telemetry-card__label {
  display: block;
  font-size: 0.68rem;
  color: var(--auth-muted);
  margin-bottom: 0.2rem;
}

.telemetry-card__value {
  display: block;
  font-family: var(--auth-mono);
  font-size: 0.92rem;
  color: var(--auth-text);
  font-weight: 600;
}

.visual-copy {
  position: relative;
  z-index: 2;
  color: var(--auth-text);
  text-align: center;
}

.headline {
  margin: 0 0 10px;
  font-size: clamp(1.7rem, 2.6vw, 2.45rem);
  line-height: 1.2;
  font-weight: 700;
  color: var(--auth-text);
  letter-spacing: -0.02em;
}

.subline {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--auth-muted);
  max-width: 540px;
}

.auth-illustration {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  max-width: min(100%, 520px);
  height: auto;
  object-fit: contain;
  align-self: center;
  opacity: 0.92;
  filter: drop-shadow(0 12px 24px rgba(8, 15, 30, 0.38));
}

@keyframes auth-grid-drift {
  from {
    transform: translate3d(0, 0, 0);
  }

  to {
    transform: translate3d(-36px, -36px, 0);
  }
}

@keyframes auth-node-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.72;
  }

  50% {
    transform: scale(1.16);
    opacity: 1;
  }
}

@media (max-width: 1366px) {
  .auth-left {
    min-width: 420px;
  }

  .form-shell {
    width: min(100%, 520px);
  }
}

@media (max-width: 1160px) {
  .auth-left {
    width: 48%;
    min-width: 0;
    padding: 28px 22px;
  }

  .auth-right {
    width: 52%;
    min-width: 0;
    padding: 26px 22px 22px;
  }

  .visual-stage {
    width: min(100%, 520px);
  }

  .headline {
    font-size: clamp(1.45rem, 2.8vw, 2.05rem);
  }

  .subline {
    font-size: 0.92rem;
    line-height: 1.5;
  }
}

@media (max-width: 980px) {
  .auth-wrapper {
    padding: 0;
  }

  .auth-card {
    min-height: 100vh;
    width: 100%;
    border: none;
    border-radius: 0;
    box-shadow: none;
  }

  .auth-card-body {
    flex-direction: column;
  }

  .auth-left,
  .auth-right {
    width: 100%;
    min-width: 0;
  }

  .auth-left {
    padding: 30px 20px;
    border-right: none;
    border-bottom: 1px solid var(--auth-border);
  }

  .form-shell {
    width: min(100%, 680px);
  }

  .form-title {
    font-size: 1.95rem;
  }

  .options-row {
    flex-wrap: wrap;
    row-gap: 8px;
  }

  .auth-right {
    min-height: 280px;
    align-items: center;
    padding: 26px 20px 20px;
  }

  .visual-stage {
    width: min(100%, 760px);
  }
}

@media (max-width: 760px) {
  .auth-left {
    min-height: auto;
    padding: 28px 18px;
    border-bottom: 1px solid var(--auth-border);
  }

  .form-shell {
    width: min(100%, 520px);
    gap: 14px;
  }

  .form-title {
    font-size: 1.9rem;
  }

  .auth-right {
    display: flex;
    min-height: 220px;
    padding: 24px 18px 18px;
  }

  .visual-copy .headline {
    font-size: clamp(1.35rem, 6vw, 1.8rem);
    margin-bottom: 6px;
  }

  .visual-copy .subline {
    font-size: 0.9rem;
    line-height: 1.45;
    max-width: 100%;
  }

  .auth-illustration {
    max-width: 320px;
  }

  .telemetry-cards {
    grid-template-columns: 1fr;
  }

  .input-wrapper,
  .btn-signin {
    height: 48px;
  }
}

@media (max-width: 480px) {
  .auth-left {
    padding: 22px 14px;
  }

  .form-shell {
    gap: 12px;
  }

  .auth-card-header {
    padding: 0.75rem 0.85rem;
  }

  .auth-card-back {
    font-size: 0.8rem;
  }

  .form-title {
    font-size: 1.7rem;
  }

  .form-subtitle,
  .form-footer {
    font-size: 0.82rem;
  }

  .options-row {
    align-items: flex-start;
  }

  .remember-me {
    line-height: 1.35;
  }

  .auth-right {
    min-height: 180px;
    padding-top: 18px;
  }

  .visual-copy .subline {
    display: none;
  }

  .auth-illustration {
    max-width: 250px;
  }
}

@media (max-height: 760px) and (min-width: 761px) {
  .auth-left {
    padding-top: 32px;
    padding-bottom: 28px;
  }

  .form-shell {
    gap: 12px;
  }

  .auth-form {
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .auth-telemetry-grid,
  .auth-telemetry-node {
    animation: none;
  }

  .input-wrapper:focus-within,
  .btn-signin:hover {
    transform: none;
  }

  .input-wrapper,
  .btn-signin,
  .password-strength__fill {
    transition: none;
  }
}