body {
  font-family: Arial, sans-serif;
  background: #f9f9f9;
  font-size: 16px;
  margin: 0;
  padding: 0;

  display: grid;
  min-height: 100dvh;
  grid-template-rows: auto 1fr auto;
}

* {
  box-sizing: border-box;
}

header, footer {
  background: #efefef;
  color: #333;
  text-align: center;
  padding: 1rem;
}
.grid-container {
  width: 920px;
  margin: 0 auto;
  /* display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem; */
  padding: 1rem;
  height: 100%;
}

.container {
  width: 100%;
  margin: auto;
  /* display: grid; */
  min-height: 100%;
  /* grid-template-rows: auto 1fr auto; */
  /* gap: 2rem; */
}

.tool {
  background: white;
  padding: 1rem;
  border-radius: 0.5rem;
}

.ads {
  background: #efefef;
  height: 90px;
  text-align: center;
  line-height: 90px;
  color: #999;
}
.ads-left, 
.ads-right {
  height: 100%;
}

h1 {
  margin: 0.5rem 0;
}

h2 {
  margin: 0;
}

P {
  margin: 0;
}

.primary-btn, 
.clear-btn {
  cursor: pointer;
  border: none;
  border-radius: 0.5rem;
  padding: 0.85rem 1rem;
  font-size: 1rem;
}

.primary-btn {
  background-color: #5A58F2;
  color: #fff;
}

.clear-btn {
  background-color: #FDEDED;
  color: #C42525;
}

.tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}
.tab-btn {
  border-radius: 0.5rem;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  border: none;
  background: #eee;
  cursor: pointer;
}
.tab-btn.active {
  background-color: #5A58F2;
  color: #fff;
}
.tool-section {
  display: none;
}
.tool-section.active {
  display: block;
}

.result-cards {
  margin: 1rem 0;
  background: #f0f0f0;
  padding: 1rem;
  border-radius: 0.5rem;

  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 1rem;
}

.card-result {
  background-color: #fff;
  padding: 1rem;
}

.result-txt {
  font-size: 1rem;
}

#palabras,
#caracteres,
#caracteresSinEspacios {
  font-weight: bold;
  background-color: #F5F7FA;
  border-radius: 0.5rem;
  color: #333;
  padding: 0.5rem;
  font-size: 1.25rem;
}

@media (max-width: 991px) {
  .result-txt {
    font-size: 1rem;
  }
}

.form-group {
  margin-bottom: 1rem;
}

.form-group textarea {
  margin-bottom: 0;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

textarea {
  width: 100%;
  padding: 0.5rem;
  box-sizing: border-box;
  border: 1px solid #DDDDDD;
  border-radius: 0.5rem; 
  font-size: 1rem;
  margin-bottom: 1rem;
}

input[type="text"] {
  width: 100%;
  padding: 0.5rem;
  box-sizing: border-box;
  border: 1px solid #DDDDDD;
  border-radius: 0.5rem;
  font-size: 1rem;
}

.result-box {
  margin: 1rem 0;
  background: #f0f0f0;
  padding: 1rem;
  border-radius: 0.5rem;
}
.serp-preview {
  border: 1px solid #ccc;
  padding: 1rem;
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.serp-title {
  color: #1a0dab;
  font-size: 18px;
  line-height: 1.2;
}
.serp-url {
  color: #006621;
  font-size: 14px;
}
.serp-description {
  color: #545454;
  font-size: 13px;
}
.char-count {
  font-size: 12px;
  color: #888;
  float: right;
}
.alert {
  font-size: 12px;
  color: red;
  margin-bottom: 0.5rem;
}
.input-error {
  border-color: red;
}

@media (max-width: 1366px) {
  h1 {
    font-size: 21px;
  }
}

@media (max-width: 991px) {
  .grid-container {
    width: 100%;
  }
}