* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #e5e7eb;
}

.login-wrapper {
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

.login-card {
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 18px;
  padding: 32px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.brand {
  text-align: center;
  margin-bottom: 28px;
}

.brand h1 {
  margin: 0;
  font-size: 32px;
  color: #ffffff;
}

.brand p {
  margin: 8px 0 0;
  color: #94a3b8;
  font-size: 14px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.login-form label {
  font-size: 14px;
  color: #cbd5e1;
  margin-top: 4px;
}

.login-form input {
  width: 100%;
  padding: 14px 14px;
  border-radius: 12px;
  border: 1px solid #334155;
  background: #0f172a;
  color: #f8fafc;
  font-size: 15px;
  outline: none;
}

.login-form input:focus {
  border-color: #38bdf8;
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.login-form button {
  margin-top: 10px;
  padding: 14px;
  border: none;
  border-radius: 12px;
  background: #0ea5e9;
  color: white;
  font-size: 15px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.2s ease;
}

.login-form button:hover {
  background: #0284c7;
}

.login-form button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.message {
  min-height: 22px;
  margin-top: 6px;
  font-size: 14px;
  color: #fca5a5;
  text-align: center;
}

.message.success {
  color: #86efac;
}