/* style.css — wiki2 minimal internal login page */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: #f5f5f5;
  color: #1a1a1a;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: #fff;
  border-bottom: 1px solid #ddd;
}

.brand {
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: #1a1a1a;
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 1.75rem;
}

.nav a {
  font-size: 0.9rem;
  color: #555;
  text-decoration: none;
}

.nav a:hover {
  color: #000;
}

/* main */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1.5rem;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}

/* intro */
.intro {
  text-align: center;
  margin-bottom: 2.5rem;
}

.intro h1 {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
  letter-spacing: -0.02em;
}

.intro p {
  font-size: 0.95rem;
  color: #666;
}

/* login block */
.login {
  width: 100%;
  background: #fff;
  padding: 1.75rem 1.5rem 1.5rem;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
}

.login h2 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  color: #1a1a1a;
}

/* form */
.form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field span {
  font-size: 0.85rem;
  color: #555;
}

.field input {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  background: #fafafa;
  color: #1a1a1a;
  transition: border-color 0.15s, background 0.15s;
}

.field input:focus {
  outline: none;
  border-color: #888;
  background: #fff;
}

/* button */
.btn {
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.7rem 1rem;
  margin-top: 0.25rem;
  background: #1a1a1a;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s;
}

.btn:hover {
  background: #333;
}

/* hint */
.hint {
  font-size: 0.8rem;
  color: #888;
  text-align: center;
  margin-top: 1.25rem;
}

/* footer */
.footer {
  display: flex;
  justify-content: space-between;
  padding: 1rem 2rem;
  font-size: 0.8rem;
  color: #999;
  border-top: 1px solid #ddd;
  background: #fff;
}

/* small screens */
@media (max-width: 480px) {
  .header {
    padding: 0.9rem 1.25rem;
  }

  .nav {
    gap: 1.25rem;
  }

  .nav a {
    font-size: 0.8rem;
  }

  .main {
    padding: 2rem 1rem;
  }

  .login {
    padding: 1.5rem 1.25rem 1.25rem;
  }

  .footer {
    padding: 0.9rem 1.25rem;
    flex-direction: column;
    gap: 0.25rem;
    text-align: center;
  }
}