:root {
  --bg: #081222;
  --bg2: #131f37;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-border: rgba(255, 255, 255, 0.14);
  --text: #f1f5f9;
  --muted: #9fb1cc;
  --brand: #22d3ee;
  --brand2: #38bdf8;
  --danger: #ef4444;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 15%, rgba(34, 211, 238, 0.25), transparent 26%),
    radial-gradient(circle at 90% 80%, rgba(56, 189, 248, 0.18), transparent 30%),
    linear-gradient(140deg, var(--bg), var(--bg2));
  display: grid;
  place-items: center;
  padding: 20px;
}

.admin-login-shell {
  width: min(620px, 96%);
}

.login-hero {
  margin-bottom: 18px;
}

.kicker {
  margin: 0 0 8px;
  color: #7dd3fc;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
}

.lead {
  margin: 8px 0 0;
  color: var(--muted);
}

.login-panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 18px;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.login-form {
  display: grid;
  gap: 10px;
}

label {
  font-size: 0.92rem;
  color: #dbeafe;
}

input,
button {
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 11px 12px;
  font-size: 0.96rem;
}

input {
  background: rgba(7, 12, 26, 0.82);
  color: var(--text);
}

button {
  margin-top: 6px;
  border: 0;
  cursor: pointer;
  font-weight: 700;
  color: #062130;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
}

button:hover {
  transform: translateY(-1px);
}

.message {
  min-height: 24px;
  margin: 14px 0 4px;
  font-size: 0.92rem;
}

.message.error {
  color: #fecaca;
}

.message.success {
  color: #bbf7d0;
}

.hint,
.helper-link {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.helper-link a {
  color: #7dd3fc;
}

@media (max-width: 640px) {
  .login-panel {
    padding: 14px;
  }
}