:root {
  color-scheme: light;
  --bg: #f4f5f2;
  --surface: #ffffff;
  --ink: #182022;
  --muted: #687276;
  --line: #d9dfdf;
  --accent: #0f766e;
  --danger: #b42318;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.15), rgba(180, 83, 9, 0.1)),
    var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.login-shell {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 20px;
}

.login-panel {
  width: min(420px, 100%);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 24px;
  box-shadow: 0 18px 50px rgba(24, 32, 34, 0.12);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-weight: 900;
}

h1,
p {
  margin: 0;
}

h1 {
  font-size: 20px;
  line-height: 1.15;
}

.brand p {
  color: var(--muted);
  font-size: 13px;
}

form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0 12px;
  color: var(--ink);
  font: inherit;
}

button {
  min-height: 44px;
  border: 0;
  border-radius: 7px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.error {
  min-height: 20px;
  color: var(--danger);
  font-size: 13px;
  font-weight: 700;
}