/* General mobile-first styling */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: rgb(100, 100, 100); /* Charcoal grey base color */
    color: #333; /* Light color for text to contrast the dark background */
    background-image: url('414_logo.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    min-height: 100vh;
    position: relative;
}

/* Overlay effect for slight transparency */
body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 65%;
    height: 65%;
    background-color: rgba(51, 51, 51, 0.1); /* Slightly transparent charcoal overlay */
    pointer-events: none; /* Ensures the overlay doesn't block any interactions */
    z-index: -1; /* Places the overlay behind content */
}


/* Header styling */
.header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 2px;
    background-color: transparent; /* Removes any blue background */
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
}

/* Hamburger menu styling */
.hamburger-menu {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px 0px;
    margin-right: 10px; /* Adjusts spacing to keep it from being offscreen */
}

.hamburger-menu span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #333; /* Dark line color for menu bars */
    border-radius: 2px;
    transition: transform 0.3s ease;
}

/* Navigation menu styling */
.nav-menu {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 200px;
    height: 100%;
    background-color: #fff;
    box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
    padding-top: 60px;
    z-index: 999;
    flex-direction: column;
}

.nav-menu.active {
    display: flex;
}

.nav-menu a {
    padding: 15px 20px;
    color: #007BFF;
    text-decoration: none;
    border-bottom: 1px solid #eee;
}

.nav-menu a:hover {
    background-color: #f1f1f1;
}


/* Centered title */
.centered-title {
    font-size: 24px;
    color: #007BFF;
    text-align: center;
    margin-top: 80px; /* Offset for fixed header */
    margin-bottom: 20px;
}

/* Form container */
/* Default settings for desktop */
.container, .form-container {
    max-width: 100%;
    width: 55%;  /* Wider layout for desktop */
    background-color: rgba(255, 255, 255, 0.85);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    text-align: center;
    margin: 0 auto;
}

/* Adjust styles for mobile devices (screens <= 768px) */
@media (max-width: 768px) {
    .container, .form-container {
        width: 90%;  /* More compact for mobile */
    }
}
.form-container input[type="email"],
.form-container input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
    box-sizing: border-box;
}
/* Adjust form container */
.form-container {
    max-width: 400px;
    width: 90%;
    margin: 50px auto;
    padding: 20px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    text-align: center;
}

/* Form field styling */
.form-container label {
    display: block;
    text-align: left;
    font-weight: bold;
    margin: 10px 0 5px;
}

.form-container input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
    box-sizing: border-box;
}/* Button Styling */
.submit-button {
    width: 100%;
    padding: 12px;
    margin-top: 15px;
    background-color: #007BFF;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 18px;
    transition: background-color 0.3s ease;
}

.submit-button:hover {
    background-color: #0056b3;
}
/* Error & success messages */
.error {
    color: red;
    background-color: #ffd2d2;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 10px;
}

.success {
    color: green;
    background-color: #d4f8d4;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 10px;
}


.chart{
    width : 65%;
    text-align: center;
    display: flex;
    margin: 0 auto;
}
button, input[type="submit"] {
    padding: 12px 20px;
    background-color: #007BFF;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 18px;
    width: 100%;
    transition: background-color 0.3s ease;
}/* Submit button styling */
.submit-button {
    width: 100%;
    padding: 12px;
    margin-top: 15px;
    background-color: #007BFF;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 18px;
    transition: background-color 0.3s ease;
}

button:hover, input[type="submit"]:hover {
    background-color: #0056b3;
}

.progress-info-box {
    background-color: rgba(50, 50, 50, 0.7); /* Semi-transparent background for readability */
    color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    margin: 20px auto;
    width: 80%;
    max-width: 400px;
    max-height: 600px;   /* Set max height to control growth */
    overflow-y: auto;    /* Enable vertical scroll if content exceeds max height */
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* Style for pie chart canvas to control size */
#progressPieChart {
    max-width: 100%;
    height: 150px; /* Adjust height to control box growth */
    margin-top: 20px;
}
/* Minimalist Button Styling */
.log-button, .back-button {
    padding: 6px 10px;  /* Further reduced padding */
    font-size: 14px;  /* Slightly smaller font for a compact look */
    border-radius: 4px;  /* Slightly smaller radius */
}

.log-button {
    background-color: #007BFF;
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.log-button:hover {
    background-color: #0056b3;
}

/* Back to Dashboard Button with Minimal Styling */
.back-button {
    display: inline-block;
    padding: 8px 15px;
    font-size: 14px;
    font-weight: bold;
    color: #007BFF;
    background-color: #f0f4ff;  /* Light blue background */
    border: 1px solid #007BFF;
    border-radius: 5px;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.back-button:hover {
    background-color: #e0e8ff;  /* Slightly darker on hover */
    color: #0056b3;  /* Darker blue text on hover */
}

/* Scrollable Chapter Grid */
.checkbox-grid {
    max-height: 250px;  /* Reduced height for smaller screen usage */
    overflow-y: auto;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #f9f9f9;
    margin-bottom: 60px; /* Space at the bottom for sticky buttons */
}

/* Compact Sticky Buttons */
.sticky-buttons {
    position: fixed;
    bottom: 10px;  /* Adjusted to bring closer to the bottom */
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 6px 0;  /* Further reduced padding */
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}