:root {
  color-scheme: dark;
  --ink: #edf3ef;
  --muted: #91a9a1;
  --gold: #d9b76f;
  --line: rgba(224, 236, 231, 0.13);
  --shadow: 0 34px 100px rgba(0, 0, 0, 0.52);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { min-width: 320px; min-height: 100%; }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 78% 18%, rgba(32, 98, 74, 0.28), transparent 28rem),
    radial-gradient(circle at 10% 84%, rgba(16, 59, 82, 0.5), transparent 34rem),
    linear-gradient(145deg, #031217, #071f28 55%, #07181e);
}
body::before {
  position: fixed;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: 0.25;
  background-image: radial-gradient(circle, rgba(255,255,255,0.15) 0 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }

.auth-layout { position: relative; z-index: 1; width: min(100% - 32px, 520px); margin: 0 auto; padding: 30px 0 70px; }
.brand { width: fit-content; margin-bottom: 42px; display: flex; align-items: center; gap: 11px; font-size: 1.08rem; font-weight: 760; }
.brand-mark { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 50%; color: #08211b; background: linear-gradient(145deg, #cbdcc9, #79b18f); }
.auth-card { padding: 38px; border: 1px solid var(--line); border-radius: 32px; background: radial-gradient(circle at 100% 0%, rgba(114,162,136,0.15), transparent 20rem), linear-gradient(150deg, rgba(11,47,39,0.96), rgba(7,28,40,0.97)); box-shadow: var(--shadow); }
.auth-mark { width: 58px; height: 58px; margin-bottom: 23px; display: grid; place-items: center; border-radius: 19px; color: var(--gold); background: linear-gradient(145deg, #16453a, #0a2b38); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08); font-size: 1.35rem; }
.eyebrow { margin: 0 0 10px; color: var(--gold); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.15em; text-transform: uppercase; }
h1 { margin: 0; font: 500 clamp(2.4rem, 9vw, 4rem)/0.98 Georgia, serif; letter-spacing: -0.045em; }
.intro { margin: 15px 0 25px; color: var(--muted); line-height: 1.65; }
form { display: grid; gap: 15px; }
.field { display: grid; gap: 7px; }
.field > span { color: #a8bab3; font-size: 0.8rem; font-weight: 700; }
.field input { width: 100%; min-height: 50px; padding: 12px 14px; outline: none; border: 1px solid var(--line); border-radius: 14px; color: var(--ink); background: rgba(255,255,255,0.05); font-size: 16px; }
.field input::placeholder { color: #6e8980; }
.field input:focus { border-color: rgba(145,190,161,0.55); box-shadow: 0 0 0 3px rgba(145,190,161,0.08); }
.form-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: 0.78rem; }
.form-row a:hover, .demo-link:hover { color: #dce7e2; }
.remember { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; }
.remember input { width: 17px; height: 17px; accent-color: #8fb9a0; }
.submit-button, .secondary-button { width: 100%; min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; border-radius: 14px; font-weight: 760; }
.submit-button { border: 0; color: #082019; background: linear-gradient(145deg, #c9dcc9, #80b391); cursor: pointer; }
.submit-button:disabled { opacity: 0.62; cursor: wait; }
.spinner { display: none; width: 16px; height: 16px; border: 2px solid rgba(8,32,25,0.25); border-top-color: #082019; border-radius: 50%; animation: spin 0.7s linear infinite; }
.submit-button.is-busy .spinner { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }
.form-message { min-height: 20px; color: var(--muted); font-size: 0.82rem; text-align: center; }
.form-message.is-error { color: #efb3aa; }
.form-message.is-success { color: #a7d4b5; }
.notice { margin: 0 0 18px; padding: 11px 13px; border: 1px solid rgba(217,183,111,0.22); border-radius: 13px; color: #d8c38e; background: rgba(217,183,111,0.07); font-size: 0.82rem; line-height: 1.5; }
.notice[hidden] { display: none; }
.divider { margin: 20px 0; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px; color: #6f8880; font-size: 0.74rem; }
.divider::before, .divider::after { height: 1px; content: ""; background: var(--line); }
.secondary-button { border: 1px solid var(--line); color: #d4dfda; background: rgba(255,255,255,0.035); }
.demo-link { margin-top: 17px; display: block; color: var(--muted); font-size: 0.8rem; text-align: center; }
@media (max-width: 560px) {
  .auth-layout { width: min(100% - 24px, 520px); padding-top: 18px; }
  .brand { margin-bottom: 26px; }
  .auth-card { padding: 27px 20px; border-radius: 25px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; } }