:root {
  --login-bg: #eef2f7;
  --login-ink: #111827;
  --login-muted: #667085;
  --login-soft: #f8fafc;
  --login-line: #d9e0ea;
  --login-card: rgba(255, 255, 255, 0.84);
  --login-accent: #e11d48;
  --login-accent-dark: #be123c;
  --login-green: #059669;
  --login-amber: #d97706;
  --login-shadow: 0 32px 90px rgba(15, 23, 42, 0.16);
  --font-ui: "Inter", "Segoe UI", sans-serif;
  --font-display: "Manrope", "Inter", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body.admin-login-v2-shell {
  position: relative;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--login-ink);
  font-family: var(--font-ui);
  background:
    radial-gradient(circle at 16% 12%, rgba(225, 29, 72, 0.14), transparent 30%),
    radial-gradient(circle at 86% 18%, rgba(15, 23, 42, 0.11), transparent 26%),
    linear-gradient(135deg, #f8fafc 0%, var(--login-bg) 52%, #e5ebf3 100%);
}

body.admin-login-v2-shell::before,
body.admin-login-v2-shell::after {
  content: "";
  position: fixed;
  pointer-events: none;
  border-radius: 999px;
  filter: blur(12px);
  opacity: 0.7;
}

body.admin-login-v2-shell::before {
  width: 34vw;
  height: 34vw;
  left: -12vw;
  top: -10vw;
  background: rgba(225, 29, 72, 0.12);
}

body.admin-login-v2-shell::after {
  width: 40vw;
  height: 40vw;
  right: -16vw;
  bottom: -18vw;
  background: rgba(15, 23, 42, 0.1);
}

a {
  color: inherit;
}

.eyebrow {
  margin: 0;
  color: #8b95a7;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.admin-login-v2-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(360px, 520px);
  gap: clamp(28px, 5vw, 76px);
  width: min(1180px, calc(100% - 40px));
  min-height: 100vh;
  margin: 0 auto;
  padding: clamp(28px, 6vw, 72px) 0;
  align-items: center;
}

.login-v2-stage {
  display: grid;
  gap: 42px;
}

.login-v2-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.login-v2-mark-wrap {
  position: relative;
}

.login-v2-mark {
  display: grid;
  width: 64px;
  height: 48px;
  place-items: center;
}

.login-v2-mark-img {
  display: block;
  width: 64px;
  height: 48px;
  object-fit: contain;
}

.login-v2-brand strong,
.login-v2-brand span,
.login-v2-copy h1,
.login-v2-copy p,
.login-v2-panel-head h2,
.login-v2-panel-head p,
.login-v2-signal-grid strong,
.login-v2-signal-grid em {
  display: block;
}

.login-v2-brand strong {
  font-family: var(--font-display);
  font-size: 1.18rem;
  letter-spacing: -0.02em;
}

.login-v2-brand span {
  margin-top: 2px;
  color: #8b95a7;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.login-v2-copy {
  display: grid;
  gap: 14px;
}

.login-v2-copy h1 {
  max-width: 620px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.9rem);
  line-height: 0.9;
  letter-spacing: -0.075em;
}

.login-v2-copy p:not(.eyebrow) {
  max-width: 560px;
  margin: 0;
  color: var(--login-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.login-v2-signal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 680px;
}

.login-v2-signal-grid article {
  display: grid;
  gap: 6px;
  padding: 16px;
  border: 1px solid rgba(217, 224, 234, 0.82);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.58);
  backdrop-filter: blur(18px);
}

.login-v2-signal-dot {
  width: 10px;
  height: 10px;
  margin-bottom: 6px;
  border-radius: 999px;
  background: #94a3b8;
}

.login-v2-signal-dot.ok {
  background: var(--login-green);
}

.login-v2-signal-dot.live {
  background: var(--login-accent);
}

.login-v2-signal-dot.warn {
  background: var(--login-amber);
}

.login-v2-signal-grid strong {
  font-family: var(--font-display);
  font-size: 0.96rem;
}

.login-v2-signal-grid em {
  color: var(--login-muted);
  font-size: 0.82rem;
  font-style: normal;
  line-height: 1.35;
}

.login-v2-panel {
  position: relative;
  display: grid;
  gap: 24px;
  padding: clamp(28px, 4vw, 42px);
  border: 1px solid rgba(217, 224, 234, 0.86);
  border-radius: 34px;
  background: var(--login-card);
  box-shadow: var(--login-shadow);
  backdrop-filter: blur(24px);
  overflow: hidden;
}

.login-v2-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, #111827, var(--login-accent), #f97316);
}

.login-v2-panel-head {
  display: grid;
  gap: 8px;
}

.login-v2-panel-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.045em;
}

.login-v2-panel-head p {
  margin: 0;
  color: var(--login-muted);
  line-height: 1.55;
}

.login-v2-form {
  display: grid;
  gap: 16px;
}

.login-v2-form label {
  display: grid;
  gap: 8px;
}

.login-v2-form label span {
  color: #8b95a7;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.login-v2-form input {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--login-line);
  border-radius: 16px;
  padding: 0 16px;
  color: var(--login-ink);
  background: rgba(255, 255, 255, 0.86);
  font: inherit;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.login-v2-form input:hover {
  border-color: #c7d0dd;
}

.login-v2-form input:focus {
  border-color: rgba(225, 29, 72, 0.68);
  box-shadow: 0 0 0 4px rgba(225, 29, 72, 0.1);
}

.login-v2-submit {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 4px;
  border: 0;
  border-radius: 17px;
  color: #ffffff;
  /* Button-System (docs/ui-button-system.md): leichtes Rot, kein satter Verlauf, kein Glow. */
  background: var(--login-accent);
  background: linear-gradient(180deg, color-mix(in srgb, var(--login-accent) 84%, #fff) 0%, var(--login-accent) 100%);
  box-shadow: inset 0 1px 0.5px rgba(255, 255, 255, 0.5), 0 4px 12px rgba(225, 29, 72, 0.2), 0 1px 2px rgba(30, 48, 100, 0.1);
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  transition: transform 120ms cubic-bezier(0.23, 1, 0.32, 1), box-shadow 150ms ease, filter 150ms ease;
}

/* Druecken gibt sofort nach, kein Anheben beim Hover (docs/ui-bewegung.md, Regel 1 und 9). */
.login-v2-submit:active { transform: scale(0.97); }
.login-v2-submit:focus-visible { outline: 3px solid rgba(225, 29, 72, 0.45); outline-offset: 2px; }
@media (hover: hover) and (pointer: fine) {
  .login-v2-submit:hover {
    filter: brightness(1.05);
    box-shadow: inset 0 1px 0.5px rgba(255, 255, 255, 0.6), 0 6px 16px rgba(225, 29, 72, 0.26), 0 1px 2px rgba(30, 48, 100, 0.1);
  }
}

.login-v2-submit svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  transition: transform 150ms cubic-bezier(0.23, 1, 0.32, 1);
}

@media (hover: hover) and (pointer: fine) {
  .login-v2-submit:hover svg { transform: translateX(3px); }
}
@media (prefers-reduced-motion: reduce) {
  .login-v2-submit, .login-v2-submit svg { transition: box-shadow 150ms ease, filter 150ms ease; }
  .login-v2-submit:active, .login-v2-submit:hover svg { transform: none; }
}

.login-v2-footnote {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #8b95a7;
  font-size: 0.78rem;
  font-weight: 700;
}

.flash-stack {
  display: grid;
  gap: 10px;
}

.flash-stack-overlay {
  position: fixed;
  z-index: 60;
  top: 20px;
  right: 20px;
  width: min(380px, calc(100vw - 40px));
}

.flash {
  padding: 12px 14px;
  border: 1px solid var(--login-line);
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 16px 38px rgba(15, 23, 42, 0.12);
  color: var(--login-ink);
  font-weight: 700;
  transition: opacity 200ms ease, transform 200ms ease;
}

.flash.is-hiding {
  opacity: 0;
  transform: translateY(-6px);
}

.flash-success {
  border-color: rgba(5, 150, 105, 0.22);
  color: #047857;
}

.flash-error {
  border-color: rgba(225, 29, 72, 0.24);
  color: var(--login-accent-dark);
}

@media (max-width: 900px) {
  .admin-login-v2-layout {
    grid-template-columns: 1fr;
    align-content: start;
  }

  .login-v2-stage {
    gap: 28px;
  }

  .login-v2-copy h1 {
    font-size: clamp(2.6rem, 14vw, 4.4rem);
  }

  .login-v2-signal-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .admin-login-v2-layout {
    width: min(100% - 24px, 1180px);
    padding: 20px 0;
  }

  .login-v2-panel {
    border-radius: 26px;
  }

  .login-v2-footnote {
    flex-direction: column;
  }
}