/* Apply box-sizing universally */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  background: #f8f9fa;
  color: #212529;
}

.page-container {
  max-width: 600px;
  margin: 60px auto;
  padding: 32px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.page-header {
  text-align: center;
  margin-bottom: 32px;
  position: relative;
}

.logo {
  max-width: 100px;
  margin-bottom: 8px;
}

.account-actions {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  gap: 8px;
}

.account-actions .btn {
  font-size: 13px;
  padding: 6px 10px;
  background: transparent;
  border: 1px solid #ccc;
  border-radius: 4px;
  text-decoration: none;
  color: #333;
  transition: all 0.2s ease;
}

.account-actions .btn:hover {
  background-color: #f0f0f0;
  border-color: #999;
  cursor: pointer;
}

.flash-message {
  background-color: #f6f8fa;
  border: 1px solid #d1d5da;
  padding: 12px 16px;
  margin-bottom: 24px;
  border-radius: 6px;
  font-size: 14px;
}

.banner-form .form-group {
  margin-bottom: 20px;
}

.banner-form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 13px;
}

.banner-form input[type="text"],
.banner-form input[type="color"],
.banner-form input[type="checkbox"] {
  display: block;
  width: 100%;
  padding: 10px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 6px;
  background: #fff;
}

.banner-form input[type="color"] {
  padding: 0;
  height: 40px;
}

.banner-form input[type="color"]:hover {
  cursor: cell;
}

.banner-form input[type="checkbox"] {
  width: auto;
  display: inline-block;
  margin-top: 6px;
}

.form-actions {
  text-align: right;
  margin-top: 24px;
}

.form-actions input[type="submit"] {
  background-color: #111;
  color: #fff;
  padding: 10px 18px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.form-actions input[type="submit"]:hover {
  background-color: #333;
}