body {
    font-family: Arial, sans-serif;
    min-height: 100vh;
    margin: 0;
    background: linear-gradient(to top left, #ffffff, #a29898);
}

.container-custom {
    background: linear-gradient(to bottom right, #add8e6, #00008b);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    color: white;
    margin-bottom: 20px;
}

.nav-menu {
    background: linear-gradient(to right, #00008b, #add8e6);
    padding: 15px 0;
    margin-bottom: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.nav-menu .nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.nav-menu .nav-item {
    flex: 1 1 auto;
    min-width: 200px;
}

.nav-menu .nav-link {
    color: white;
    font-weight: bold;
    padding: 12px 15px;
    margin: 0;
    border-radius: 5px;
    transition: all 0.3s ease;
    white-space: normal;
    text-align: center;
    width: 100%;
    height: 100%;
    display: block;
}

.nav-menu .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.nav-menu .nav-link.active {
    background-color: rgba(255, 255, 255, 0.3);
}

@media (max-width: 767.98px) {
    .nav-menu .nav {
        flex-direction: column;
        gap: 5px;
    }
    
    .nav-menu .nav-item {
        width: 100%;
    }
    
    .nav-menu .nav-link {
        padding: 10px;
        margin: 0;
    }
}

input[type="text"], select {
    width: 80%;
    padding: 10px;
    margin: 10px auto;
    display: block;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.checkbox-container {
    margin: 10px 0;
}

.button-common {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

.button-common:hover {
    background-color: #45a049;
}

#result {
    margin-top: 20px;
    padding: 10px;
    font-weight: bold;
    color: white;
}

.conversion-link {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.conversion-link a {
    color: white;
    text-decoration: none;
    font-size: 1.2em;
    font-weight: bold;
    padding: 10px 20px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    transition: all 0.3s ease;
    width: 100%;
    max-width: 300px;
    text-align: center;
    display: block;
}

.conversion-link a:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.table {
    color: white;
}

#chartContainer {
    width: 100%;
    max-width: 550px;
    margin: 20px auto;
}

#freeTestChartContainer {
    width: 100%;
    max-width: 300px;
    height: auto;
    margin: 10px auto;
}

#estrogenChartContainer, #ratioChartContainer, #testosteroneChartContainer {
    width: 300px;
    height: 200px;
    margin: 20px auto;
}

.chart-section {
    margin: 30px auto;
    padding: 15px;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    max-width: 350px;
}

.chart-title {
    color: white;
    font-size: 1.5em;
    margin-bottom: 10px;
    font-weight: bold;
    text-align: center;
}

.result-text {
    color: white;
    font-size: 1.1em;
    margin: 10px 0;
    text-align: center;
}

.status-indicator {
    font-weight: bold;
    font-size: 1.2em;
    margin: 15px 0;
    text-align: center;
    padding: 5px 10px;
    border-radius: 5px;
    display: inline-block;
}

.status-normal {
    background-color: rgba(76, 175, 80, 0.3);
    color: #4CAF50;
}

.status-high {
    background-color: rgba(244, 67, 54, 0.3);
    color: #F44336;
}

.status-low {
    background-color: rgba(255, 152, 0, 0.3);
    color: #FF9800;
}

.table-explanation {
    color: white;
    font-size: 1em;
    margin: 15px 0;
    text-align: center;
    font-style: italic;
}

/* Styling for the stick figure grid visualization */
.grid-container {
    margin: 20px auto;
    max-width: 600px;
    width: 100%;
    padding: 0 15px;
}

.grid-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 100%; /* Creates a square aspect ratio */
    background-color: rgba(0, 0, 0, 0.8);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
}

.stick-figures {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    grid-template-rows: repeat(10, 1fr);
    gap: 2px;
    padding: 5px;
    box-sizing: border-box;
}

.stick-figure {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5vw; /* Responsive font size */
    transition: transform 0.2s;
}

.stick-figure:hover {
    transform: scale(1.1);
}

.legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 15px;
    flex-wrap: wrap;
}

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

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

@media (min-width: 601px) {
    .grid-container {
        max-width: 500px;
    }
}

@media (max-width: 600px) {
    .grid-container {
        max-width: 100%;
    }
    
    .stick-figure {
        font-size: 2.5vw; /* Larger font size on mobile */
    }
    
    .legend {
        gap: 15px;
    }
    
    .legend-item {
        font-size: 0.8em;
    }
}

@media (max-width: 400px) {
    .stick-figure {
        font-size: 3vw; /* Even larger font size on very small screens */
    }
    
    .legend-item {
        font-size: 0.75em;
    }
}

.site-footer {
    background: linear-gradient(to right, #00008b, #add8e6);
    padding: 15px 0;
    margin-top: 40px;
    box-shadow: 0 -2px 5px rgba(0,0,0,0.1);
    position: relative;
    width: 100%;
    z-index: 1000;
}

.footer-content {
    text-align: center;
    color: white;
    font-weight: bold;
    font-size: 1.1em;
    padding: 0 15px;
}

.footer-content p {
    margin: 0;
    padding: 0;
}

.footer-content .copyright {
    margin-bottom: 10px;
}

.footer-content .marketing-message {
    font-size: 0.95em;
    font-weight: normal;
    line-height: 1.4;
    word-wrap: break-word;
}

.footer-content .marketing-message a {
    color: white;
    text-decoration: underline;
    transition: color 0.3s ease;
    display: inline-block;
}

.footer-content .marketing-message a:hover {
    color: #add8e6;
}

@media (max-width: 767.98px) {
    .footer-content {
        font-size: 0.9em;
    }
    
    .footer-content .marketing-message {
        font-size: 0.85em;
    }
}

.auth-message {
    margin: 20px 0;
    font-size: 1.2em;
    color: white;
}

.auth-message p {
    margin: 10px 0;
}

.error-message {
    color: #FF5252;
    font-weight: bold;
    margin: 10px 0;
    padding: 10px;
    background-color: rgba(255, 82, 82, 0.1);
    border-radius: 5px;
}

input[type="password"] {
    width: 80%;
    padding: 10px;
    margin: 10px auto;
    display: block;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: rgba(255, 255, 255, 0.9);
}

input[type="password"]:focus {
    outline: none;
    border-color: #4CAF50;
    box-shadow: 0 0 5px rgba(76, 175, 80, 0.5);
}