* {
  box-sizing: border-box;
}

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

body {
  background:
    radial-gradient(circle at 22% 18%, color-mix(in srgb, var(--interactive) 12%, transparent), transparent 30%),
    radial-gradient(circle at 82% 78%, color-mix(in srgb, var(--status-ok) 9%, transparent), transparent 28%),
    var(--surface-base);
  color: var(--on-surface);
  font-family: var(--font-ui);
  margin: 0;
}

button,
input {
  font: inherit;
}

.kb-login-shell {
  align-items: center;
  display: grid;
  gap: clamp(32px, 5vw, 72px);
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 440px);
  min-height: 100vh;
  overflow: hidden;
  padding: clamp(28px, 5vw, 64px);
  position: relative;
}

.kb-login-shell::before {
  background-image:
    linear-gradient(var(--border-base) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-base) 1px, transparent 1px);
  background-size: 40px 40px;
  content: "";
  inset: 0;
  mask-image: radial-gradient(circle at 50% 50%, black 0, transparent 72%);
  opacity: 0.38;
  pointer-events: none;
  position: absolute;
}

[data-theme="light"] .kb-login-shell::before {
  opacity: 0.3;
}

.kb-login-visual,
.kb-login-card {
  position: relative;
  z-index: 1;
}

.kb-login-visual {
  display: flex;
  flex-direction: column;
  gap: clamp(32px, 5vw, 56px);
  min-width: 0;
}

.kb-login-brand {
  align-items: center;
  display: flex;
  gap: 14px;
}

.kb-login-mark {
  align-items: center;
  background: var(--interactive-subtle);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  color: var(--interactive);
  display: inline-flex;
  font-size: var(--text-lg);
  font-weight: var(--fw-semibold);
  height: 42px;
  justify-content: center;
  line-height: 1;
  width: 42px;
}

.kb-login-brand h1 {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: var(--fw-semibold);
  letter-spacing: 0;
  line-height: 1.04;
  margin: 0;
}

.kb-login-brand p {
  color: var(--on-surface-muted);
  font-size: var(--text-sm);
  margin: 6px 0 0;
}

.kb-login-product {
  background: var(--surface-overlay);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-md);
  box-shadow: var(--elev-3);
  max-width: 760px;
  min-height: 420px;
  overflow: hidden;
}

.kb-login-product-header {
  align-items: center;
  border-bottom: 1px solid var(--border-base);
  display: flex;
  justify-content: space-between;
  min-height: 48px;
  padding: 0 18px;
}

.kb-login-product-header span {
  color: var(--on-surface-muted);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
}

.kb-login-product-header strong {
  background: var(--status-ok-bg);
  border-radius: var(--radius-full);
  color: var(--status-ok);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: 2px 8px;
}

.kb-login-viewport {
  background:
    radial-gradient(ellipse at 50% 50%, color-mix(in srgb, var(--interactive) 12%, transparent), transparent 56%),
    var(--surface-sunken);
  min-height: 300px;
  overflow: hidden;
  position: relative;
}

.kb-login-viewport::before {
  background-image:
    linear-gradient(var(--border-base) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-base) 1px, transparent 1px);
  background-size: 32px 32px;
  content: "";
  inset: 0;
  opacity: 0.48;
  position: absolute;
}

.kb-login-ship {
  height: 132px;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -40%) rotate(-13deg);
  width: min(78%, 520px);
}

.kb-login-ship-deck {
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--interactive) 45%, var(--surface-2)), var(--surface-2));
  border: 1px solid color-mix(in srgb, var(--interactive) 50%, var(--border-base));
  border-radius: 999px 22px 22px 999px;
  box-shadow: 0 18px 45px color-mix(in srgb, var(--surface-base) 70%, transparent);
  display: block;
  height: 72px;
  left: 0;
  position: absolute;
  top: 40px;
  width: 100%;
}

.kb-login-ship-bow {
  background: color-mix(in srgb, var(--interactive) 28%, var(--surface-1));
  border: 1px solid color-mix(in srgb, var(--interactive) 44%, var(--border-base));
  border-radius: 20px 999px 999px 20px;
  display: block;
  height: 64px;
  position: absolute;
  right: -18px;
  top: 44px;
  width: 96px;
}

.kb-login-ship-house {
  background: var(--surface-1);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-sm);
  display: block;
  height: 58px;
  left: 68px;
  position: absolute;
  top: 6px;
  width: 92px;
}

.kb-login-ship-line {
  background: color-mix(in srgb, var(--status-warn) 55%, var(--interactive));
  display: block;
  height: 2px;
  position: absolute;
  top: 62px;
}

.kb-login-ship-line.line-a {
  left: 150px;
  width: 55%;
}

.kb-login-ship-line.line-b {
  left: 190px;
  top: 88px;
  width: 42%;
}

.kb-login-axis {
  background: var(--surface-overlay);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-md);
  box-shadow: var(--elev-2);
  display: grid;
  gap: 4px;
  grid-template-columns: repeat(3, 1fr);
  padding: 10px;
  position: absolute;
  right: 16px;
  top: 16px;
  width: 112px;
}

.kb-login-axis span {
  color: var(--on-surface-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  text-align: center;
}

.kb-login-axis span:first-child {
  color: var(--status-danger);
}

.kb-login-axis span:nth-child(2) {
  color: var(--status-ok);
}

.kb-login-axis span:last-child {
  color: var(--status-warn);
}

.kb-login-metrics {
  border-top: 1px solid var(--border-base);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.kb-login-metrics div {
  padding: 14px 18px;
}

.kb-login-metrics div + div {
  border-left: 1px solid var(--border-base);
}

.kb-login-metrics b,
.kb-login-metrics span {
  display: block;
}

.kb-login-metrics b {
  color: var(--on-surface);
  font-family: var(--font-mono);
  font-size: var(--text-md);
}

.kb-login-metrics span {
  color: var(--on-surface-muted);
  font-size: var(--text-xs);
  margin-top: 4px;
}

.kb-login-card {
  background: var(--surface-overlay);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-md);
  box-shadow: var(--elev-3);
  padding: 24px;
}

.kb-login-card-head {
  align-items: flex-start;
  display: flex;
  gap: 20px;
  justify-content: space-between;
}

.kb-login-eyebrow {
  color: var(--interactive);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0;
  margin: 0 0 8px;
  text-transform: uppercase;
}

.kb-login-card h2 {
  color: var(--on-surface);
  font-size: var(--text-2xl);
  font-weight: var(--fw-semibold);
  letter-spacing: 0;
  line-height: var(--lh-tight);
  margin: 0;
}

.kb-theme-button {
  align-items: center;
  background: var(--surface-2);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-sm);
  color: var(--on-surface-muted);
  cursor: pointer;
  display: inline-flex;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.kb-theme-button:hover {
  border-color: var(--border-accent);
  color: var(--interactive);
}

.kb-login-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}

.kb-login-form label {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.kb-login-form label span {
  color: var(--on-surface-muted);
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
}

.kb-login-form input[type="text"],
.kb-login-form input[type="password"],
.kb-login-form input:not([type]) {
  background: var(--surface-sunken);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-sm);
  color: var(--on-surface);
  height: 40px;
  outline: none;
  padding: 0 12px;
  transition:
    border-color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out);
}

.kb-login-form input:focus {
  border-color: var(--border-accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.kb-login-form input::placeholder {
  color: var(--on-surface-dim);
}

.kb-login-options {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-top: 2px;
}

.kb-login-check {
  align-items: center;
  flex-direction: row !important;
  gap: 8px !important;
}

.kb-login-check input {
  accent-color: var(--interactive);
  height: 14px;
  width: 14px;
}

.kb-login-options a {
  color: var(--interactive);
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  text-decoration: none;
}

.kb-login-options a:hover {
  text-decoration: underline;
}

.kb-login-submit {
  align-items: center;
  background: var(--interactive);
  border: 1px solid var(--interactive);
  border-radius: var(--radius-sm);
  color: var(--on-accent);
  cursor: pointer;
  display: inline-flex;
  font-weight: var(--fw-semibold);
  gap: 10px;
  height: 42px;
  justify-content: center;
  margin-top: 6px;
  width: 100%;
}

.kb-login-submit:hover {
  background: var(--interactive-hover);
  border-color: var(--interactive-hover);
}

.kb-login-footer {
  border-top: 1px solid var(--border-base);
  color: var(--on-surface-dim);
  display: flex;
  font-size: var(--text-xs);
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 14px;
}

@media (max-width: 960px) {
  .kb-login-shell {
    grid-template-columns: 1fr;
    overflow: auto;
  }

  .kb-login-product {
    min-height: 340px;
  }
}

@media (max-width: 560px) {
  .kb-login-shell {
    padding: 18px;
  }

  .kb-login-card {
    padding: 18px;
  }

  .kb-login-product {
    display: none;
  }

  .kb-login-brand h1 {
    font-size: 30px;
  }

  .kb-login-options,
  .kb-login-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }
}