@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap');

/* General Styling (Light Theme with Dark Accents) */
:root {
    --primary-color:#1e293b;      /* Dark text for primary content */
    --secondary-color: #667080;    /* Medium-dark text for less important info */
    --accent-color:#1e293b;/* Blue accent for interactive elements */
    --background-color: #f9f9f9;    /* Light background for the entire page */
    --card-background: #ffffff;    /* White background for content containers */
    --border-color: #e0e0e0;      /* Light gray border color */
    --border-radius: 0.75rem;     /* Slightly rounded corners */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --heading-color: #1e293b;        /* Very dark color for headings */
    --link-color:#1e293b;
    --link-hover-color: #334155;
}

body {
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    width: 100%;
    background-color: var(--background-color);
    color: var(--primary-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.7;
}
header{
    width: 100%;
    padding: 8px 0;
    display: flex;
    z-index: 2;
    justify-content: center;
    background-color: #1e293b;
    position: sticky;
    top: 0px;
    box-shadow: 0 0 1rem var(--primary-color);
   
}

header h1{
    text-align: center;
    margin: 0;
    padding:2px;
    font-size: 2.5rem;
    font-family: "Montserrat", sans-serif;
    color:white;
}
header img{
    width: 85px;
    height:70px;
    position: absolute;
    left:1rem;
    top:0rem ;
    border-radius:0.6rem;
}  
.container {
    padding: 2rem;
    text-align: left;
    max-width: 800px;
    margin:2rem 0 0 0;
}

h1, h2, h3 {
    color: var(--heading-color);  /* Use the dark heading color */
    margin-bottom: 1.5rem;
    text-align: center;
    line-height: 1.3;
    font-weight: bold;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
}

p {
    margin-bottom: 1.2rem;
    color: var(--secondary-color);
    font-size: 1.1rem;
}

ul {
    padding-left: 2rem;
    margin-bottom: 1.5rem;
    list-style-type: none;
    padding-left: 0;
}

ul li {
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    padding-bottom:1rem;
    word-spacing: 0.3rem;
}

ul li:last-child {
    border-bottom: none;
}

pre {
    background-color: #f5f5f5;
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin-bottom: 1.2rem;
    font-family: monospace;
    font-size: 1rem;
    line-height: 1.5;
    color: #555;
}

a {
    color: var(--link-color);
    text-decoration: none;
    font-weight: 600;
}

a:hover {
    text-decoration: underline;
    color: var(--link-hover-color);
}

strong {
    color: var(--primary-color);
}

.controls-group {
    margin-top: 1rem;
    margin-bottom: 2rem;
    text-align: left;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--card-background);
}

.controls-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: bold;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.controls-group input[type="number"],
.controls-group input[type="range"],
.controls-group select {
    width: calc(100% - 20px);
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-sizing: border-box;
    margin-bottom: 1rem;
    font-size: 1rem;
    background-color: #ffffff;
    color: var(--primary-color);
}

.controls-group input[type="number"]:focus,
.controls-group input[type="range"]:focus,
.controls-group select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.controls-group input[type="checkbox"] {
    margin-right: 0.5rem;
    transform: scale(1.2);
}

button {
    padding: 1rem 2rem;
    background-color: var(--accent-color);
    color: var(--card-background);
    border: none;
    font-size: 1.2rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 1.5rem;
    font-weight: bold;
}
#upload{
    margin-left: 0.2rem;

  }
button:hover {
    background-color: #2980b9;
}

button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.5);
}

#output-container {
    margin-top: 2.5rem;
    text-align: center;
}

#output-container img {
    max-width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
    margin-bottom: 1.2rem;
}

#info {
    margin-top: 2rem;
    color: #555;
    text-align: center;
    font-size: 1rem;
    padding: 1rem;
    background-color: #f0f0f0;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.description-section {
    margin-top: 3rem;
}

.description-section h2 {
    text-align: left;
    margin-bottom: 1.5rem;
    color: var(--heading-color);
    font-size: 1.8rem;
}

.description-section p {
    line-height: 1.7;
    margin-bottom: 1rem;
    color: var(--secondary-color);
    font-size: 1.1rem;
}
footer p{
    font-size:0.8rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
    }

    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    h3 {
        font-size: 1.3rem;
    }

    button {
        font-size: 1rem;
        padding: 0.8rem 1.5rem;
    }
    header img{
        left :0.3rem;
        width: 80px;
        height: 60px;
        top:0rem;
    }
    header h1{
          font-size: 2.2rem;
        margin-left:3.5rem;
    }
    .checkbox{
      z-index: -1;
    }
    header{
          padding: 5px 0;
    }
    .controls-group input[type="number"],
    .controls-group input[type="range"],
    .controls-group select {
        font-size: 0.9rem;
        padding: 0.6rem;
    }

    .description-section h2 {
        font-size: 1.5rem;
    }

    .description-section p {
        font-size: 1rem;
    }

    ul li {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.4rem;
    }

    h3 {
        font-size: 1.2rem;
    }

    .controls-group {
        padding: 1rem;
    }

    .description-section h2 {
        font-size: 1.2rem;
    }

    .description-section p {
        font-size: 0.9rem;
    }

    ul li {
        font-size: 0.9rem;
       
       
    }
}