body {
  margin: 0;
  padding: 0;
  background-color: #f1f1f1 !important;
}

/* CALCULATORS bar !!!!! */
.hdr6 {
  padding-right: 22px !important;
}

.titli_pw {
  margin: 8px 0 16px;
}

.titli_pw h1 {
  font-weight: 600;
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  text-shadow: 1px 1px 1px white;
  filter: drop-shadow(4px 4px 10px #057);
  padding: 0 4px;
}

.titli_pw img {
  filter: drop-shadow(1px 1px 1px black);
}


.ttle {
  display: flex;
  flex-wrap: wrap;
}

.ttle .l2 {
  display: flex;
  place-items: center;
  justify-content: center;
}

.ttle .l10 {
  display: flex;
  place-items: center;
  justify-content: center;
}

.ttle h3 {
  text-align: center;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  font-weight: 600;
  text-shadow: #057 0 0 16px;
}

.image-iframe {
  max-width: 80px;
  height: auto;
  filter: drop-shadow(1px 1px 1px #666);
}

/* ------ */
.calculator-led {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.calculator-led .titli_pw {
  margin-bottom: 20px;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  border-radius: 10px;
  padding: 10px;
}

.calculator-led .titli_pw h2 {
  font-weight: 600;
  text-shadow: 1px 1px 1px white;
  filter: drop-shadow(4px 4px 10px #057);
  font-size: 28px;
  margin: 20px 0;
}

.calculator-led .description {
  font-size: 16px;
  line-height: 1.6;
  color: #333;
  text-align: justify;
  padding: 0 10px;
}

.calculator-led .section-title {
  color: #057;
  font-size: 20px;
  margin: 20px 0 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid #057;
}

.calculator-led hr {
  border: 1px solid #057;
  margin: 30px 0;
}

.calculator-led .calculator {
  background-color: #f9f9f9;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.calculator-led .input-row {
  margin-bottom: 15px;
}

.calculator-led .input-headline {
  display: block;
  font-weight: 600;
  margin-bottom: 5px;
  color: #333;
}

.calculator-led .calculator-input {
  display: flex;
  align-items: center;
  gap: 10px;
}

.calculator-led .unit-select {
  width: 80px;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
  background-color: #fff;
  cursor: pointer;
}

.calculator-led .led-input {
  flex: 1;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

.calculator-led .led-input:focus {
  outline: none;
  border-color: #057;
  box-shadow: 0 0 5px #057;
}

.calculator-led .result-row {
  margin: 20px 0;
  padding: 15px;
  background-color: #e3f2fd;
  border-radius: 8px;
}

.calculator-led .result-table {
  width: 100%;
  border-collapse: collapse;
}

.calculator-led .result-table td {
  padding: 8px 5px;
}

.calculator-led .result-table td:first-child {
  width: 40%;
  font-weight: 600;
}

.calculator-led .result-table td:nth-child(2) {
  width: 30%;
}

.calculator-led .result-table td:last-child {
  width: 30%;
}

.calculator-led .result-input {
  width: 100%;
  padding: 6px;
  border: 2px solid #057;
  border-radius: 4px;
  background-color: #fff;
  font-weight: 600;
  color: #057;
}

.calculator-led .result-input[readonly] {
  background-color: #f0f8ff;
  cursor: default;
}

.calculator-led .addmore {
  width: 48%;
  padding: 12px;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  background-color: #057;
  color: white;
  margin: 5px 1%;
  display: inline-block;
}

.calculator-led .addmore:hover {
  background-color: #046;
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(0, 85, 119, 0.3);
}

.calculator-led .formula {
  font-size: 16px;
  background-color: #f0f8ff;
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 20px;
}

.calculator-led .warning {
  color: #c62828;
  background-color: #ffebee;
  padding: 10px;
  border-radius: 4px;
  font-weight: 600;
}

.calculator-led .info-container {
  background-color: #f5f5f5;
  border-left: 4px solid #057;
  padding: 20px;
  margin: 20px 0;
  border-radius: 0 10px 10px 0;
}

.calculator-led .info-container h4 {
  color: #057;
  margin: 20px 0 10px;
}

.calculator-led .info-container h4:first-child {
  margin-top: 0;
}

.calculator-led .info-container ul {
  padding-left: 20px;
}

.calculator-led .info-container li {
  margin: 8px 0;
  color: #333;
}

.calculator-led .note {
  background-color: #fff3e0;
  padding: 10px;
  border-radius: 4px;
  font-style: italic;
}

.calculator-led .units-table {
  overflow-x: auto;
  margin: 15px 0;
}

.calculator-led .units-table table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
}

.calculator-led .units-table th,
.calculator-led .units-table td {
  padding: 8px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

.calculator-led .units-table th {
  background-color: #057;
  color: white;
}

.calculator-led .units-table tr:hover {
  background-color: #f5f5f5;
}

@media screen and (max-width: 768px) {
  .calculator-led .row-padding {
    flex-direction: column;
  }

  .calculator-led .half {
    width: 100%;
    margin-bottom: 20px;
  }

  .calculator-led .titli_pw h2 {
    font-size: 22px;
  }

  .calculator-led .calculator-input {
    flex-wrap: wrap;
  }

  .calculator-led .unit-select {
    width: 100%;
  }

  .calculator-led .result-table td {
    /* display: block; */
    width: 100%;
  }

  .calculator-led .addmore {
    width: 100%;
    margin: 5px 0;
  }
}

@media screen and (max-width: 480px) {
  .calculator-led {
    padding: 10px;
  }

  .calculator-led h3 {
    font-size: 18px;
  }

  .calculator-led .formula {
    font-size: 14px;
  }
}