:root {
  color-scheme: light;
  --ink: #102c3b;
  --muted: #5b6e79;
  --surface: #ffffff;
  --canvas: #eef5f6;
  --teal: #0f6d79;
  --teal-dark: #0a4f59;
  --coral: #b73f4b;
  --focus: #e8ad45;
}

* {
  box-sizing: border-box;
}

body.admin-login-page {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.admin-login-shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
}

.admin-login-intro {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  padding: clamp(2rem, 5vw, 5.5rem);
  color: #f7fcfc;
  background:
    radial-gradient(circle at 12% 14%, rgba(124, 214, 202, 0.24), transparent 29rem),
    linear-gradient(145deg, #0b3f50 0%, #0e6975 58%, #1c7e7c 100%);
}

.brand {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  text-decoration: none;
}

.brand:focus-visible,
.submit-button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.brand-mark {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border: 2px solid currentColor;
  border-radius: 50% 50% 50% 12%;
  transform: rotate(-14deg);
}

.brand-mark span,
.brand-mark span::after {
  display: block;
  width: 1.1rem;
  height: 0.27rem;
  content: "";
  border-radius: 2rem;
  background: currentColor;
}

.brand-mark span::after {
  transform: rotate(90deg);
}

.brand-copy {
  display: grid;
  gap: 0.08rem;
  line-height: 1.1;
}

.brand-copy strong {
  letter-spacing: 0.035em;
  font-size: 1.18rem;
}

.brand-copy span {
  opacity: 0.82;
  font-size: 0.76rem;
}

.intro-copy {
  max-width: 35rem;
  margin: auto 0;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: inherit;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.intro-copy h1 {
  max-width: 9ch;
  margin: 0;
  font-size: clamp(2.45rem, 5vw, 5.25rem);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 0.97;
}

.intro-copy > p:last-child {
  max-width: 33rem;
  margin: 1.6rem 0 0;
  color: rgba(247, 252, 252, 0.82);
  font-size: 1.05rem;
  line-height: 1.65;
}

.intro-note {
  margin: 0;
  color: rgba(247, 252, 252, 0.72);
  font-size: 0.84rem;
}

.admin-login-panel {
  display: grid;
  padding: clamp(1.5rem, 5vw, 5rem);
  place-items: center;
  background: #f8fbfc;
}

.login-card {
  width: min(100%, 29rem);
}

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

.login-card .eyebrow {
  color: var(--teal);
}

.login-card h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.8rem, 3vw, 2.45rem);
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.login-card__heading > p:last-child,
.support-copy,
.field-help {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.login-card__heading > p:last-child {
  margin: 0.85rem 0 0;
}

.server-error {
  margin: 0 0 1.25rem;
  padding: 0.85rem 1rem;
  border: 1px solid #efb6bc;
  border-radius: 0.7rem;
  color: #7f1e2b;
  background: #fff4f5;
  font-size: 0.92rem;
  line-height: 1.45;
}

.form-field + .form-field {
  margin-top: 1.3rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 700;
}

input {
  display: block;
  width: 100%;
  min-height: 3.15rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid #aebfc7;
  border-radius: 0.65rem;
  color: var(--ink);
  background: var(--surface);
  font: inherit;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

input:hover {
  border-color: #78939f;
}

input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(15, 109, 121, 0.13);
  outline: none;
}

.field-help,
.field-error {
  margin: 0.45rem 0 0;
}

.field-error {
  display: none;
  color: var(--coral);
  font-size: 0.82rem;
  line-height: 1.35;
}

.was-validated input:invalid {
  border-color: var(--coral);
  box-shadow: 0 0 0 4px rgba(183, 63, 75, 0.1);
}

.was-validated input:invalid ~ .field-help {
  display: none;
}

.was-validated input:invalid ~ .field-error {
  display: block;
}

.submit-button {
  width: 100%;
  min-height: 3.2rem;
  margin-top: 1.8rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--teal-dark);
  border-radius: 0.65rem;
  color: #fff;
  background: var(--teal);
  cursor: pointer;
  font: inherit;
  font-weight: 750;
  transition: background 160ms ease, transform 160ms ease;
}

.submit-button:hover {
  background: var(--teal-dark);
}

.submit-button:active {
  transform: translateY(1px);
}

.support-copy {
  margin: 1.55rem 0 0;
  text-align: center;
}

@media (max-width: 780px) {
  .admin-login-shell {
    grid-template-columns: 1fr;
  }

  .admin-login-intro {
    min-height: 21rem;
  }

  .intro-copy {
    margin: 3.5rem 0 1rem;
  }

  .intro-copy h1 {
    max-width: 13ch;
  }

  .admin-login-panel {
    padding-block: 3rem;
  }
}

@media (max-width: 460px) {
  .admin-login-intro,
  .admin-login-panel {
    padding: 1.5rem;
  }

  .admin-login-intro {
    min-height: 19rem;
  }

  .intro-copy {
    margin-top: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}