:root {
  color-scheme: light;
  --bg: #f7f5f0;
  --panel: #ffffff;
  --ink: #202124;
  --muted: #676b73;
  --line: #ddd8cf;
  --blue: #2868c7;
  --red: #b83a32;
  --shadow: 0 18px 45px rgba(26, 31, 39, 0.09);
  --radius: 8px;
  font-family: "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
}

button,
input {
  font: inherit;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(420px, 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 24px;
}

.login-logo {
  width: min(320px, 100%);
  height: auto;
  display: block;
  margin-bottom: 22px;
}

.login-form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
}

label span {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  padding: 8px 10px;
  font-size: max(16px, 1em);
}

input:focus,
button:focus {
  outline: 3px solid rgba(40, 104, 199, 0.22);
  outline-offset: 1px;
}

button {
  min-height: 42px;
  border: 0;
  border-radius: var(--radius);
  background: var(--blue);
  color: #fff;
  cursor: pointer;
  font-weight: 800;
  padding: 0 14px;
}

button:hover {
  filter: brightness(0.94);
}

.login-message {
  min-height: 20px;
  margin: 0;
  color: var(--red);
  font-size: 0.9rem;
}