:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0f1520;
  color: #e8edf6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 20% 15%, rgba(108, 77, 255, .22), transparent 32rem),
    radial-gradient(circle at 85% 80%, rgba(45, 212, 191, .11), transparent 28rem),
    #0f1520;
}

.login-container {
  width: min(100%, 440px);
  padding: 24px;
}

.login-card {
  padding: 40px 34px;
  border: 1px solid #2d374d;
  border-radius: 22px;
  background: rgba(26, 32, 48, .94);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .38);
}

.brand-placeholder {
  width: 58px;
  height: 58px;
  margin: 0 auto 18px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 17px;
  background: linear-gradient(145deg, #6c4dff, #8a6dff);
  color: #fff;
  font-size: 1.45rem;
  font-weight: 750;
  box-shadow: 0 10px 28px rgba(108, 77, 255, .3);
}

.brand-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
}

h1 {
  margin: 0;
  text-align: center;
  font-size: 1.45rem;
}

.intro {
  margin: 8px 0 28px;
  text-align: center;
  color: #9aa8bd;
  line-height: 1.55;
}

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

label {
  margin-top: 4px;
  color: #c8d1df;
  font-size: .86rem;
  font-weight: 650;
}

input {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid #35415a;
  border-radius: 11px;
  outline: none;
  background: #151d2b;
  color: #f7f9fc;
  font: inherit;
}

input:focus {
  border-color: #8067ff;
  box-shadow: 0 0 0 3px rgba(108, 77, 255, .18);
}

button {
  margin-top: 10px;
  padding: 13px 18px;
  border: 0;
  border-radius: 11px;
  background: linear-gradient(135deg, #6c4dff, #8a6dff);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: .58;
}

.hint {
  margin: -3px 0 5px;
  color: #8290a5;
  font-size: .78rem;
}

.msg {
  display: none;
  margin-top: 17px;
  padding: 12px 13px;
  border-radius: 10px;
  font-size: .86rem;
  line-height: 1.45;
}

.msg.error {
  display: block;
  border: 1px solid rgba(248, 113, 113, .35);
  background: rgba(239, 68, 68, .11);
  color: #fda4af;
}

.footer {
  min-height: 1em;
  margin: 18px 0 0;
  text-align: center;
  color: #68758a;
  font-size: .76rem;
}

@media (max-width: 480px) {
  .login-container {
    padding: 16px;
  }

  .login-card {
    padding: 34px 24px;
  }
}