:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #edf4f1;
  color: #102a34;
}

* { box-sizing: border-box; }

body { margin: 0; min-height: 100vh; }

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
  background:
    radial-gradient(circle at 10% 10%, rgba(64, 177, 164, 0.2), transparent 32rem),
    linear-gradient(135deg, #f7f7f1, #e5f0ed);
}

.login-card {
  width: min(100%, 28rem);
  padding: 2.4rem;
  border: 1px solid #d4e0dc;
  border-radius: 1.4rem;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1.5rem 4rem rgba(17, 57, 65, 0.12);
}

.login-eyebrow {
  margin: 0 0 0.5rem;
  color: #168f83;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

h1 { margin: 0; font-family: Georgia, serif; font-size: clamp(2.5rem, 8vw, 4rem); font-weight: 500; }
.login-intro { margin: 0.7rem 0 2rem; color: #526a72; line-height: 1.5; }
.login-form { display: grid; gap: 0.65rem; }
.login-form label { margin-top: 0.5rem; font-size: 0.84rem; font-weight: 800; }
.login-form input {
  width: 100%;
  padding: 0.85rem 0.9rem;
  border: 1px solid #b8cbc6;
  border-radius: 0.65rem;
  background: #fff;
  color: #102a34;
  font: inherit;
}
.login-form input:focus { outline: 3px solid rgba(27, 161, 148, 0.2); border-color: #168f83; }
.login-form button {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border: 0;
  border-radius: 0.65rem;
  background: #102f3a;
  color: #fff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}
.login-form button:disabled { cursor: wait; opacity: 0.65; }
.login-status { min-height: 1.4rem; margin: 0.35rem 0 0; color: #ad3e2d; font-size: 0.88rem; }
.login-notice { margin: 1.6rem 0 0; color: #6c7f84; font-size: 0.76rem; text-align: center; }