:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --ink: #18222b;
  --muted: #66727d;
  --line: #dbe3ea;
  --blue: #2563eb;
  --red: #c43d3d;
  --red-soft: #fdecec;
  --shadow: 0 16px 40px rgba(20, 30, 40, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input {
  font: inherit;
}

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

.login-panel {
  width: min(100%, 420px);
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #f2c94c;
  color: #111820;
  font-weight: 900;
}

.brand-row p,
.login-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

h1 {
  margin: 2px 0 0;
  font-size: 28px;
}

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

.login-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.login-form input {
  min-height: 46px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  color: var(--ink);
  font-size: 16px;
}

.login-form input:focus {
  border-color: var(--blue);
  outline: 3px solid #dbe7ff;
}

.login-form button {
  min-height: 46px;
  border: 0;
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  font-weight: 900;
  cursor: pointer;
}

.login-alert {
  margin-bottom: 14px;
  padding: 11px 12px;
  border: 1px solid #f0c2c2;
  border-radius: 8px;
  background: var(--red-soft);
  color: var(--red);
  font-weight: 800;
}

.login-note {
  margin-top: 16px;
}