style.css

/* General Styles */
body {
    background-color: #1C1F26; /* Deep blue-black for a premium dark look */
    color: #D0D8E8;            /* Soft, premium light blue-gray text */
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

/* Container Styling */
.container {
    max-width: 520px;
    margin: 50px auto;
    padding: 30px;
    background: linear-gradient(145deg, #242933, #1A1E24); /* Subtle gradient for depth */
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.8); /* Deeper shadow for a rich, floating effect */
    transition: transform 0.3s ease, background 0.3s ease;
}

.container:hover {
    transform: translateY(-4px); /* Slight lift effect on hover */
    background: linear-gradient(145deg, #2B313D, #1F232B); /* Slight lightening for dynamic feel */
}

/* Form Elements */
label {
    display: block;
    margin: 12px 0 6px;
    color: #E5EAF5; /* Crisp light gray-blue for clarity */
    font-weight: 600;
    letter-spacing: 0.5px;
    font-size: 14px;
}

input[type="text"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 14px;
    margin-bottom: 18px;
    background-color: #2B2F38; /* Darker input background */
    border: 1px solid #4A4F5C; /* Subtle borders */
    border-radius: 8px;
    color: #F1F1F1;
    font-size: 15px;
    box-sizing: border-box;
    transition: border-color 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

input[type="text"]::placeholder,
textarea::placeholder {
    color: #9A9A9A; /* Subtle, elegant placeholder text */
    font-style: italic;
}

input:focus,
select:focus,
textarea:focus {
    border-color: #6CA0DC;     /* Blue highlight on focus */
    background-color: #353A45; /* Slightly lighter focus background */
    outline: none;
    box-shadow: 0 0 8px rgba(108, 160, 220, 0.5); /* Soft glowing outline */
}

/* Buttons */
button {
    background: linear-gradient(135deg, #417BBD, #35689E); /* Gradient blue */
    color: white;
    border: none;
    padding: 14px 28px;
    margin: 8px 4px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 15px;
    font-weight: bold;
    transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 12px rgba(65, 123, 189, 0.4); /* Soft shadow */
}

button:hover {
    background: linear-gradient(135deg, #5A9DE0, #4A85C7); /* Brighter hover effect */
    transform: translateY(-3px); /* Elevated button on hover */
    box-shadow: 0 6px 18px rgba(90, 157, 224, 0.6); /* Enhanced hover shadow */
}

button:active {
    transform: translateY(0); /* Press effect */
    box-shadow: 0 3px 8px rgba(90, 157, 224, 0.4);
}

/* Checkboxes */
.checkbox-group label {
    margin: 8px 0;
    display: flex;
    align-items: center;
    color: #D0D8E8;
    font-weight: 500;
    transition: color 0.3s ease;
}

input[type="checkbox"] {
    margin-right: 12px;
    transform: scale(1.3);
    accent-color: #417BBD; /* Premium blue for checkboxes */
    cursor: pointer;
    transition: transform 0.2s ease, accent-color 0.3s ease;
}

input[type="checkbox"]:hover {
    transform: scale(1.4); /* Slight zoom on hover */
    accent-color: #5A9DE0;
}

/* Textareas */
textarea {
    min-height: 100px;
    resize: vertical; /* Allow resizing vertically */
}

/* Navigation Buttons Alignment */
button + button {
    margin-left: 10px;
}

/* Hidden Pages */
.hidden {
    display: none;
}