:root {
  --brand: linear-gradient(to right, #ee7724, #d8363a, #dd3675, #b44593);
  --brand-solid: #d8363a;
  --text: #1f2328;
  --muted: #6b7280;
  --border: #d1d5db;
  --page: #eeeeee;
  --card: #ffffff;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 16px;
  background: var(--page);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  max-width: 960px;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 30px rgb(0 0 0 / 0.08);
}

.login { padding: 48px; }

header { text-align: center; margin-bottom: 32px; }

.logo {
  width: 64px;
  height: 64px;
  margin: 0 auto 12px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  font-size: 22px;
}

h1 { font-size: 1.5rem; margin: 0 0 8px; }

.muted { color: var(--muted); }

form { display: flex; flex-direction: column; }

label { font-weight: 500; margin-bottom: 6px; }

input {
  padding: 10px 12px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
}

input:focus {
  outline: 2px solid var(--brand-solid);
  outline-offset: 1px;
  border-color: transparent;
}

.btn-primary {
  padding: 12px;
  border: 0;
  border-radius: 6px;
  background: var(--brand);
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary:hover { filter: brightness(1.05); }

.forgot { align-self: center; margin-top: 14px; font-size: 0.9rem; }

footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.btn-outline {
  padding: 8px 14px;
  border: 1px solid var(--brand-solid);
  border-radius: 6px;
  color: var(--brand-solid);
  text-decoration: none;
}

.btn-outline:hover { background: var(--brand-solid); color: #fff; }

.about {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px;
  background: var(--brand);
  color: #fff;
}

.about h2 { margin-top: 0; }

.about p { line-height: 1.6; opacity: 0.95; }

@media (max-width: 768px) {
  .card { grid-template-columns: 1fr; }
  .login, .about { padding: 32px 24px; }
}