:root {
  color-scheme: light;
  --bg: #f3f6f4;
  --surface: #ffffff;
  --ink: #17201d;
  --muted: #65736d;
  --line: #dce5e1;
  --teal: #0f766e;
  --teal-dark: #0b4f4a;
  --yellow: #f4b000;
  --red: #b42318;
  --shadow: 0 18px 50px rgba(15, 35, 31, 0.08);
  --radius: 8px;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.14), transparent 42%),
    var(--bg);
  color: var(--ink);
}

button,
input {
  font: inherit;
}

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

.login-panel {
  display: grid;
  width: min(100%, 430px);
  gap: 24px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 2px solid rgba(244, 176, 0, 0.75);
  border-radius: var(--radius);
  background: var(--teal);
  color: #ffffff;
  font-size: 14px;
  font-weight: 800;
}

.brand-lockup strong,
.brand-lockup small {
  display: block;
}

.brand-lockup small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

h1 {
  margin: 0;
  font-size: 34px;
  line-height: 1.05;
}

p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

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

.login-form label {
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 800;
}

.login-form input {
  width: 100%;
  min-height: 48px;
  padding: 0 13px;
  border: 1px solid #b8c8c2;
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--ink);
  outline: 0;
}

.login-form input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.16);
}

.primary-button {
  min-height: 48px;
  border: 0;
  border-radius: var(--radius);
  background: var(--teal);
  color: #ffffff;
  cursor: pointer;
  font-weight: 800;
}

.primary-button:disabled {
  cursor: progress;
  opacity: 0.7;
}

.login-message {
  min-height: 21px;
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.login-message.error {
  color: var(--red);
  font-weight: 750;
}

@media (max-width: 480px) {
  .login-shell {
    align-items: start;
    padding: 14px;
  }

  .login-panel {
    margin-top: 24px;
    padding: 22px;
  }
}