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

body {
  font-family: system-ui, sans-serif;
  background: #f4f4f5;
  color: #18181b;
  min-height: 100vh;
}

/* Auth page */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card {
  background: #fff;
  border: 1px solid #e4e4e7;
  border-radius: 8px;
  padding: 2rem;
  width: 100%;
  max-width: 360px;
  margin: 2rem;
}

.auth-card h1 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.auth-card form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

label {
  font-size: 0.875rem;
  font-weight: 500;
  color: #3f3f46;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid #d4d4d8;
  border-radius: 6px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s;
}

input:focus {
  border-color: #3b82f6;
}

button[type="submit"] {
  margin-top: 0.5rem;
  padding: 0.5rem 1rem;
  background: #3b82f6;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.15s;
}

button[type="submit"]:hover {
  background: #2563eb;
}

.error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

/* Dashboard layout */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: #fff;
  border-bottom: 1px solid #e4e4e7;
}

header span {
  font-weight: 600;
}

header form button {
  background: none;
  border: 1px solid #d4d4d8;
  border-radius: 6px;
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background 0.15s;
}

header form button:hover {
  background: #f4f4f5;
}

main {
  padding: 2rem 1.5rem;
}

main h2 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}