:root {
  color-scheme: light dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f3f1eb;
  color: #171714;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 20% 10%, rgba(246, 116, 52, 0.18), transparent 30rem),
    linear-gradient(145deg, #f8f7f2, #e8e4d9);
}

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

.login-card {
  width: min(100%, 420px);
  padding: 38px;
  border: 1px solid rgba(23, 23, 20, 0.13);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 24px 70px rgba(45, 40, 28, 0.13);
  backdrop-filter: blur(18px);
}

.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: #171714;
  color: #fff;
  font-weight: 750;
  letter-spacing: -0.04em;
}

.eyebrow {
  margin: 28px 0 10px;
  color: #c6501c;
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.15em;
}

h1 {
  margin: 0;
  font-size: clamp(1.8rem, 6vw, 2.55rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.login-hint {
  margin: 14px 0 28px;
  color: #625f56;
}

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

label {
  font-size: 0.86rem;
  font-weight: 680;
}

input,
button {
  width: 100%;
  min-height: 50px;
  border-radius: 12px;
  font: inherit;
}

input {
  border: 1px solid #bdb7aa;
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.86);
  color: #171714;
  outline: none;
}

input:focus {
  border-color: #c6501c;
  box-shadow: 0 0 0 3px rgba(198, 80, 28, 0.15);
}

button {
  margin-top: 8px;
  border: 0;
  background: #171714;
  color: #fff;
  font-weight: 720;
  cursor: pointer;
}

button:hover {
  background: #34332f;
}

.login-error {
  margin: 2px 0 0;
  color: #ad321c;
  font-size: 0.86rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    background: #11110f;
    color: #f4f1e8;
  }

  body {
    background:
      radial-gradient(circle at 20% 10%, rgba(246, 116, 52, 0.16), transparent 28rem),
      linear-gradient(145deg, #181815, #0f0f0d);
  }

  .login-card {
    border-color: rgba(255, 255, 255, 0.12);
    background: rgba(30, 30, 27, 0.8);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
  }

  .brand-mark,
  button {
    background: #f4f1e8;
    color: #171714;
  }

  button:hover {
    background: #fff;
  }

  .login-hint {
    color: #aaa69b;
  }

  input {
    border-color: #555147;
    background: rgba(14, 14, 12, 0.78);
    color: #f4f1e8;
  }
}

@media (max-width: 480px) {
  .login-card {
    padding: 28px 22px;
    border-radius: 20px;
  }
}