/*
 * style.css
 * Copyright © 2026 Fred W6BSD
 *
 * Distributed under terms of the BSD 3-Clause license.
 */
body {
	background-color: #fdfdff;
	color: #333;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  font-size: 16px;
  line-height: 1.6em;
  margin: 0;
  min-height: 100vh;
  padding: 0;
}

header {
  background: linear-gradient(135deg, #0a2342, #1c3d73);
  color: #DAF7A6;
  font-family: Arial, sans-serif;
  padding: 1rem 0;
  text-align: center;
}

header h1 {
  margin: 1em 0;
  text-align: center;
  font-size: 3rem;
}

header ul {
  list-style: none;
  margin: 0;
  padding: 0;

  display: flex;
  justify-content: center;   /* center horizontally */
  gap: 1.5rem;               /* spacing between items */
}

header li a {
  color: #fff;
  background: #335;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  border: 1px solid #777;

}

header ul a:hover,
header ul a:focus {
  background: #337;
}

header ul a[aria-current="page"] {
  background: #686;
}

main {
  flex: 1;
  padding: 3em;
  padding-bottom: 5em;
  border-left: 2px solid #ccc;
  border-right: 2px solid #ccc;
  margin: 0 auto;
  width: 900px;
}

main h2 {
  border-top: 4px solid #f80;
  color: #512E5F;
  font-size: 2em;
  padding-right: 1.7em;
  padding-top: .25em;
  text-align: left;
}

main h3 {
  color: #512E5F;
  background-color: #ddeeff;
  padding: 1em 0 .5em .5em;
  border-bottom: 3px solid #f80;
  font-family: Helvetica, sans-serif;
  font-weight: Bold;
  margin-top: 2em;
}

main .container {
  margin-left: 2.5em;
  margin-top: 2.5em;
}

main a {
  text-decoration: none;
  font-weight: bold;
}

main a:hover {
  text-decoration: underline;
}

main img {
  border-radius: 6px;
  width: 100%;
}

table.power {
  width: 50%;
  font-family: Arial;
  border-collapse: collapse;
  margin: 20px auto;
  background: white;
  border-radius: 5px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.power th {
  background-color: #4a90e2;
  color: white;
  padding: 6px;
  text-align: center;
  font-weight: 600;
  border: 1px solid #777;
}

.power td {
  padding: 6px 12px;
  border-bottom: 1px solid #eee;
  text-align: right;
  border: 1px solid #ddd;
}

.power tr:nth-child(even) {
  background-color: #f8f9fa;
}

.power tr:hover {
  background-color: #e3f2fd;
}

.power tr:last-child td {
  border-bottom: none;
}

.form-container {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 600px;
    margin: 2em auto;
}

.form-container h2 {
    all: unset;
    font-family: 'Arial', sans-serif;
    font-size: 24px;
    font-weight: 600;
    color: #0a2342;
    text-align: center;
    display: block;
}

.form-container hr {
  border: 0;
  border-top: 1px solid #0a2342;
  margin: 1.5rem 0;
}

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

.form-group label {
  text-weight: bold;
  display: block;
  margin-bottom: 8px;
  color: #555;
  font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
    box-sizing: border-box;
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

button[type="submit"] {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    width: 100%;
    transition: background-color 0.3s;
}

button[type="submit"]:hover {
    background-color: #45a049;
}

select {
  padding: 10px 15px;
  border: 1px solid #ddd;
  border-radius: 8px;
  background-color: white;
  font-size: 16px;
  color: #333;
  width: 200px;
  height: 45px;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  cursor: pointer;
}

footer {
  font-size: .8em;
	background-color: #322;
	text-align: right;
  color: #cccccc;
  line-height: 1.1rem;
  margin-top: 0em;
  padding: 1em 4em;
}

footer a {
  color: yellow;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

.result {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 16px;
  margin: 20px 0;
}

.error,
.status {
  border-radius: 8px;
  padding: 1.5em 2em;
  margin: 2em 3em;
}

.status {
  background-color: #dfd;
  border: 3.5px solid #daa;
}

.error {
  color: #fff;
  text-weight: bold;
  background-color: #f44;
  border: 3.5px solid #faa;
}

.center {
  text-align: center;
}