:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #18312c;
  background: #edf3f1;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 0%, rgba(23, 107, 91, .16), transparent 32rem),
    linear-gradient(145deg, #f7faf9 0%, #e7efed 100%);
}

button, input { font: inherit; }

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.25rem;
}

.login-card {
  width: min(100%, 28rem);
  padding: clamp(1.5rem, 5vw, 2.5rem);
  border: 1px solid rgba(24, 49, 44, .12);
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 1.5rem 4rem rgba(18, 52, 44, .14);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 1rem;
  color: white;
  background: #176b5b;
  font-size: 1.65rem;
  font-weight: 800;
}

.eyebrow {
  margin: 1.5rem 0 .35rem;
  color: #176b5b;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 { margin: 0; font-size: clamp(2rem, 8vw, 2.75rem); line-height: 1; }
.intro { margin: 1rem 0 1.5rem; color: #56706a; line-height: 1.55; }

.form { display: grid; gap: 1rem; }
.form label { display: grid; gap: .45rem; font-weight: 700; }
.form input {
  width: 100%;
  min-height: 3rem;
  padding: .75rem .9rem;
  border: 1px solid #bdcbc7;
  border-radius: .75rem;
  background: white;
  color: #18312c;
  font-size: 1rem;
}
.form input:focus { outline: 3px solid rgba(23, 107, 91, .2); border-color: #176b5b; }
.form button {
  min-height: 3.15rem;
  margin-top: .25rem;
  border: 0;
  border-radius: .8rem;
  background: #176b5b;
  color: white;
  font-weight: 800;
  cursor: pointer;
}
.form button:disabled { opacity: .65; cursor: wait; }

.notice { margin: 0 0 1rem; padding: .85rem 1rem; border-radius: .75rem; background: #fff0ed; color: #8a2718; line-height: 1.4; }
.notice.success { background: #e5f6ef; color: #155c4e; }
.setup-heading { display: grid; gap: .25rem; padding: 1rem; border-radius: .75rem; background: #eef7f4; }
.setup-heading span, .support { color: #657b76; font-size: .9rem; }
.support { margin: 1.5rem 0 0; text-align: center; }
.hidden { display: none !important; }