@font-face {
    font-family: "Apple Garamond";
    src: url("../fonts/AppleGaramond.ttf") format("truetype");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Apple Garamond";
    src: url("../fonts/AppleGaramond-Italic.ttf") format("truetype");
    font-weight: 400;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: "Apple Garamond";
    src: url("../fonts/AppleGaramond-Bold.ttf") format("truetype");
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Apple Garamond";
    src: url("../fonts/AppleGaramond-BoldItalic.ttf") format("truetype");
    font-weight: 700;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: "Apple Garamond";
    src: url("../fonts/AppleGaramond-Light.ttf") format("truetype");
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

body {
    font-family: "Apple Garamond", Georgia, "Times New Roman", serif;
    color: white;
    background-color: black;
    margin: 0 auto;
    max-width: 1200px;
    padding: 20px;
    font-size: 1.15em;
    letter-spacing: -0.01em;
}

a {
  text-decoration: underline dotted; /* Dotted underline for links */
}

a:link {
    color: #aeb5b8;  /* Light gray for better visibility */
}

a:visited {
    color: #aeb5b8;  /* Light gray for better visibility */
}

a:hover {
    text-decoration: underline;
    color: #dddddd;
}

a:active {
    color: #bbbbbb;
}


img {
    max-width: 100%;
    max-height: 100%;
}
.qsl-card-img {
    max-width: 900px;
    max-height: 500px;
}

table, th, td {
    border: 1px solid white;
}

.reference-grid-container {
    display: grid;
}
.reference-grid-item {
    padding: 2px;
}

.footer-grid-container {
  display: grid;
}

.footer-grid-item {
    padding: 10px;
}

/* Media queries for different device widths */
@media (max-width: 1000px) {
    /* 1-column layout for small devices */
    .footer-grid-container {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 1001px) {
    /* 2-column layout for medium-sized devices */
    .footer-grid-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Reference Grids */
@media (max-width: 800px) {
    /* 1-column layout for small devices */
    .reference-grid-container {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 801px) {
    /* 2-column layout for medium-sized devices */
    .reference-grid-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Adding heading styles for better hierarchy and retro feel */
h1, h2, h3 {
    font-weight: 300;
    letter-spacing: -0.03em;
}

nav {
    margin: 20px 0;
    text-align: center;
}

nav ul {
    list-style-type: none;
    padding: 0;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px 20px;
}

nav li {
    display: inline;
}

nav a {
    font-size: 1.2em;
    font-weight: 500;
}

@media (max-width: 480px) {
    nav ul {
        gap: 8px 16px;
    }
    
    nav a {
        font-size: 1.1em;
    }
}

h1 {
    font-size: 2.5em;
    text-align: center;
}

h2 {
    font-size: 1.8em;
}

h3 {
    font-size: 1.5em;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.image-gallery figure {
    margin: 0;
}

.image-gallery img {
    width: 100%;
    height: auto;
    border: 1px solid #333;
}

.image-gallery figcaption {
    text-align: center;
    font-style: italic;
    margin-top: 10px;
    color: #cccccc;
}

.prominent-link {
    font-weight: bold;
    text-decoration: underline;
    color: #ffffff !important;
}

.copyright {
    text-align: center;
    margin: 10px 0;
    font-size: 0.9em;
    color: #cccccc;
}

/* Antenna Calculator Styles */
.antenna-calculator {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    border: 1px solid #2a2a2a;
    padding: 20px;
    margin: 20px 0;
    border-radius: 6px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.calculator-intro {
    font-size: 1.05em;
    line-height: 1.5;
    color: #cccccc;
    margin-bottom: 20px;
    font-style: italic;
}

.calculator-header {
    margin-bottom: 20px;
}

.calculator-description h4 {
    color: #ffffff;
    margin-bottom: 8px;
    font-size: 1.2em;
}

.calculator-description p {
    color: #aaaaaa;
    line-height: 1.5;
}

.calculator-description .unun-note {
    color: #888;
    font-size: 0.9em;
    border-left: 3px solid #0066cc;
    padding-left: 12px;
    margin-top: 12px;
    font-style: italic;
}

.calculator-controls {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 25px;
    margin-bottom: 25px;
}

.control-section {
    background-color: #111;
    padding: 15px;
    border-radius: 4px;
    border: 1px solid #222;
}

.control-section h5 {
    color: #ffffff;
    margin-bottom: 15px;
    font-size: 1.1em;
    font-weight: 600;
}

.band-presets {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.preset-btn {
    background-color: #2a2a2a;
    color: #cccccc;
    border: 1px solid #444;
    padding: 8px 16px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 0.9em;
    transition: all 0.2s ease;
}

.preset-btn:hover {
    background-color: #3a3a3a;
    border-color: #555;
    color: #ffffff;
}

.preset-btn.active {
    background-color: #0066cc;
    border-color: #0066cc;
    color: #ffffff;
}

.band-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.band-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    cursor: pointer;
    transition: color 0.2s ease;
}

.band-option:hover {
    color: #ffffff;
}

.band-option input[type="checkbox"] {
    margin: 0;
    accent-color: #0066cc;
}

.band-option span {
    font-weight: 500;
    color: #cccccc;
}

.band-option small {
    color: #888;
    font-size: 0.8em;
}

.length-input-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.length-input-group input {
    background-color: #1a1a1a;
    color: #ffffff;
    border: 1px solid #444;
    padding: 10px 12px;
    border-radius: 4px;
    font-size: 1em;
    width: 80px;
    text-align: center;
    transition: border-color 0.2s ease;
}

.length-input-group input:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.2);
}

.length-input-group label {
    color: #cccccc;
    font-size: 0.9em;
}

.input-help {
    color: #888;
    font-size: 0.85em;
    margin: 0;
    font-style: italic;
}

.calculator-results {
    background-color: #111;
    border: 1px solid #222;
    border-radius: 4px;
    padding: 15px;
}

.results-header {
    margin-bottom: 15px;
}

.results-header h5 {
    color: #ffffff;
    margin-bottom: 8px;
    font-size: 1.1em;
}

.results-header p {
    color: #aaaaaa;
    line-height: 1.5;
}

.chart-container {
    background-color: #000;
    border: 1px solid #333;
    border-radius: 3px;
    margin: 15px 0;
    padding: 10px;
    overflow-x: auto;
}

#antennaChart {
    display: block;
    width: 100%;
    height: auto;
    max-height: 320px;
}

.chart-legend {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid #333;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
    color: #cccccc;
}

.legend-indicator {
    width: 16px;
    height: 16px;
    border-radius: 2px;
    border: 2px solid #555;
}

.legend-indicator.problematic {
    background-color: #ff4444;
    border-color: #ff4444;
}

.legend-indicator.optimal {
    background-color: #44aa44;
    border-color: #44aa44;
}

.legend-indicator.current-line {
    background-color: transparent;
    border-color: #00ff00;
    position: relative;
}

.legend-indicator.current-line::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 2px;
    width: 12px;
    height: 2px;
    background-color: #00ff00;
}

.analysis-summary {
    margin-top: 20px;
    padding: 15px;
    background-color: #0a0a0a;
    border-radius: 4px;
    border-left: 3px solid #0066cc;
}

.analysis-summary p {
    color: #cccccc;
    margin: 0;
    font-size: 0.95em;
}

.analysis-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.analysis-good {
    color: #44aa44;
    background-color: rgba(68, 170, 68, 0.1);
    padding: 8px 12px;
    border-radius: 4px;
    border-left: 3px solid #44aa44;
    font-size: 0.95em;
}

.analysis-warning {
    color: #ffaa44;
    background-color: rgba(255, 170, 68, 0.1);
    padding: 8px 12px;
    border-radius: 4px;
    border-left: 3px solid #ffaa44;
    font-size: 0.95em;
}

.analysis-recommendation {
    color: #cccccc;
    background-color: rgba(102, 102, 102, 0.1);
    padding: 8px 12px;
    border-radius: 4px;
    border-left: 3px solid #666;
    font-size: 0.9em;
    font-style: italic;
}

/* Responsive design for antenna calculator */
@media (max-width: 900px) {
    .calculator-controls {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 600px) {
    .antenna-calculator {
        padding: 15px;
        margin: 15px 0;
    }

    .calculator-intro {
        font-size: 1em;
        margin-bottom: 15px;
    }

    .band-grid {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .band-presets {
        flex-direction: column;
        gap: 6px;
        margin-bottom: 15px;
    }

    .preset-btn {
        width: 100%;
        padding: 6px 12px;
        font-size: 0.9em;
    }

    .control-section {
        padding: 12px;
    }

    .chart-legend {
        flex-direction: column;
        gap: 12px;
        align-items: center;
        padding-top: 10px;
    }

    .calculator-results {
        padding: 12px;
    }

    .chart-container {
        margin: 12px 0;
        padding: 8px;
    }

    #antennaChart {
        max-height: 280px;
    }
}