:root {
  --login-bg: #07111d;
  --login-panel: #0d1b2a;
  --login-panel-soft: #102437;
  --login-line: #20384d;
  --login-text: #e9f2fb;
  --login-muted: #8ea6bb;
  --login-brand: #22d3ee;
  --login-cyan: #67e8f9;
  --login-danger: #fca5a5;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background:
    radial-gradient(circle at 72% 18%, rgba(30, 64, 175, .23), transparent 33rem),
    radial-gradient(circle at 20% 84%, rgba(8, 145, 178, .1), transparent 28rem),
    linear-gradient(180deg, #07111d 0%, #0a1623 58%, #07111d 100%);
  color: var(--login-text);
  font: 15px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

button, input { font: inherit; }

.login-shell {
  position: relative;
  display: grid;
  min-height: 100svh;
  place-items: center;
  isolation: isolate;
  overflow: hidden;
  padding: 28px 20px;
}

.login-card {
  position: relative;
  z-index: 2;
  width: min(100%, 460px);
  padding: clamp(24px, 5vw, 42px);
  border: 1px solid rgba(103, 232, 249, .22);
  border-radius: 24px;
  background: linear-gradient(155deg, rgba(16, 36, 55, .96), rgba(8, 24, 39, .97));
  box-shadow: 0 24px 80px rgba(0, 0, 0, .4), 0 0 60px rgba(34, 211, 238, .06);
}

.login-brand { display: flex; align-items: center; gap: 12px; }
.login-brand strong { display: block; font-size: 18px; letter-spacing: .06em; text-transform: uppercase; }
.login-brand small { display: block; margin-top: 2px; color: var(--login-muted); }

.login-logo {
  position: relative;
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  flex: 0 0 46px;
  border-radius: 15px;
  background: radial-gradient(circle at 35% 30%, #67e8f9, #0891b2 45%, #0f172a 76%);
  box-shadow: 0 0 30px rgba(34, 211, 238, .28);
}

.login-logo span {
  width: 21px;
  height: 21px;
  border: 2px solid rgba(255, 255, 255, .75);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(255, 255, 255, .07);
}

.login-heading { margin: 36px 0 24px; }
.login-eyebrow { margin: 0 0 7px; color: #8ff0ca; font-size: 11px; font-weight: 800; letter-spacing: .16em; }
.login-heading h1 { margin: 0; font-size: clamp(28px, 5vw, 36px); letter-spacing: -.04em; }
.login-heading p:last-child { max-width: 34rem; margin: 9px 0 0; color: var(--login-muted); }

.login-form { display: grid; gap: 17px; }
.login-field { display: grid; gap: 7px; }
.login-field label { color: #c8d8e5; font-size: 13px; font-weight: 700; }
.login-field input {
  width: 100%;
  min-height: 48px;
  border: 1px solid #29455f;
  border-radius: 12px;
  outline: none;
  background: #071522;
  color: var(--login-text);
  padding: 11px 13px;
  transition: border-color .16s, box-shadow .16s, background .16s;
}
.login-field input::placeholder { color: #617b90; }
.login-field input:focus { border-color: var(--login-cyan); background: #091a2a; box-shadow: 0 0 0 4px rgba(34, 211, 238, .1); }
.field-error { color: var(--login-danger); font-size: 12px; }

.login-error {
  margin: 0 0 17px;
  border: 1px solid rgba(239, 68, 68, .35);
  border-radius: 11px;
  background: rgba(127, 29, 29, .22);
  color: var(--login-danger);
  padding: 10px 12px;
}
.login-error p { margin: 0; }

.login-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  margin-top: 4px;
  border: 1px solid rgba(103, 232, 249, .25);
  border-radius: 12px;
  background: linear-gradient(135deg, #0891b2, #0284c7);
  color: #fff;
  cursor: pointer;
  font-weight: 800;
  transition: transform .16s, filter .16s, box-shadow .16s;
}
.login-submit:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 10px 28px rgba(2, 132, 199, .22); }
.login-submit:focus-visible { outline: 2px solid var(--login-cyan); outline-offset: 3px; }
.login-note { margin: 22px 0 0; color: #6f879a; font-size: 12px; text-align: center; }

.login-orbit { position: absolute; z-index: -1; border: 1px solid rgba(103, 232, 249, .11); border-radius: 50%; pointer-events: none; }
.login-orbit-one { width: min(70vw, 650px); aspect-ratio: 1; right: -18vw; top: -18vw; }
.login-orbit-two { width: min(52vw, 480px); aspect-ratio: 1; left: -19vw; bottom: -22vw; border-style: dashed; }
.login-star { position: absolute; width: 5px; height: 5px; border-radius: 50%; background: #dbeafe; box-shadow: 0 0 12px rgba(219, 234, 254, .75); }
.login-star-one { top: 18%; right: 18%; }
.login-star-two { bottom: 17%; left: 20%; width: 3px; height: 3px; background: var(--login-cyan); }

@media (max-width: 520px) {
  .login-shell { padding: 16px; }
  .login-card { border-radius: 20px; padding: 25px 20px; }
  .login-heading { margin-top: 30px; }
  .login-orbit-one { width: 110vw; right: -58vw; top: -30vw; }
  .login-orbit-two { width: 90vw; left: -45vw; bottom: -30vw; }
}

@media (prefers-reduced-motion: reduce) {
  .login-field input, .login-submit { transition: none; }
}