style.css

/* General Styles with Pastel Green and Blue */
body {
    font-family: sans-serif;
    line-height: 1.6;
    margin: 20px;
    background-color: #e0f7fa; /* Pastel Light Blue */
    color: #333;
}

.error-message-container {
    background-color: #ffebee; /* Very Light Pastel Red */
    color: #d32f2f; /* Pastel Dark Red */
    border: 1px solid #ef9a9a; /* Pastel Light Red Border */
    border-radius: 4px;
    padding: 10px;
    margin-bottom: 1em;
    font-size: 1.1em;
}

.toggle-button {
    background: none;
    border: 1px solid #64b5f6; /* Pastel Blue */
    color: #64b5f6; /* Pastel Blue */
    font-size: 1.2em;
    cursor: pointer;
    margin-right: 5px;
    padding: 0;
    line-height: 1;
    font-family: monospace;
  }

  .store-button {
    background-color: #2bda91; /* Pastel Blue */
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s ease;
  }

h1, h2, h3 {
    color: #2e7d32; /* Pastel Dark Green */
    margin-top: 2em;
    margin-bottom: 1em;
    line-height: 1.2;
}

h1 {
    font-size: 2.5em;
}

h2 {
    font-size: 2em;
}

h3 {
    font-size: 1.6em;
}

p {
    margin-bottom: 1.5em;
    padding-left: 10px; /* Add some space for the vertical line */
    border-left: 5px solid #80cbc4; /* Pastel Teal - a blend of green and blue */
    font-size: 14px;
    border: 1px solid #42a5f5; 
    border-radius: 10px;
    background-color: #e0f7fa;
}

a {
    color: #64b5f6; /* Pastel Blue */
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 1em;
}

a:hover {
    color: #42a5f5; /* Slightly darker pastel blue on hover */
    font-size: 1em;
}

/* Container for the Application */
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f1f8e9; /* Pastel Light Green */
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-size: 1em;
}

/* Form Elements */
label {
    display: block;
    margin-bottom: 0.5em;
    font-weight: bold;
    color: #43a047; /* Pastel Green */
    font-size: 1em;
}

input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="time"],
select,
textarea {
    display: block;
    width: calc(100% - 22px);
    padding: 10px;
    margin-bottom: 1.5em;
    border: 1px solid #a7ffeb; /* Pastel Cyan (mix of green and blue) */
    border-radius: 4px;
    font-size: 1em;
    box-sizing: border-box;
    background-color: #e0f2f1;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="date"]:focus,
input[type="time"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #64b5f6; /* Pastel Blue focus */
    box-shadow: 0 0 5px rgba(100, 181, 246, 0.5);
    font-size: 1em;
}

select {
    appearance: none;
    background-image: url('data:image/svg+xml;charset=UTF-8,<svg fill="%2364b5f6" viewBox="0 0 24 24"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 1em;
    padding-right: 30px;
}

textarea {
    resize: vertical;
    min-height: 100px;
    font-size: 1em;
}

/* Buttons */
button {
    background-color: #64b5f6; /* Pastel Blue */
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s ease;
    font-size: 1em;
}

button:hover {
    background-color: #42a5f5; /* Slightly darker pastel blue on hover */
    font-size: 1em;
}

button:focus {
    outline: none;
    box-shadow: 0 0 5px rgba(100, 181, 246, 0.5);
    font-size: 1em;
}

button[type="submit"] {
    font-weight: bold;
    font-size: 1em;
}

/* Fieldsets and Legends */
fieldset {
    display: block;
    border: 1px solid #0980b0; /* Pastel Cyan */
    border-radius: 4px;
    padding: 1.5em;
    margin-bottom: 1.5em;
    background-color: #e8f5e9; /* Very Light Pastel Green */
    font-size: 1em;
}

legend {
    font-size: 1.1em;
    font-weight: bold;
    color: #43a047; /* Pastel Green */
    padding: 0 10px;
    font-size: 1.5em;
}

/* Lists */
ul, ol {
    margin-bottom: 1.5em;
    padding-left: 20px;
}

li {
    margin-bottom: 0.5em;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5em;
}

th, td {
    border: 1px solid #a7ffeb; /* Pastel Cyan */
    padding: 8px;
    text-align: left;
}

th {
    background-color: #e0f2f7; /* Very Light Pastel Blue */
    font-weight: bold;
    color: #2e7d32; /* Pastel Dark Green */
}

/* Code Blocks */
pre {
    background-color: #f1f8e9; /* Pastel Light Green */
    border: 1px solid #a7ffeb; /* Pastel Cyan */
    padding: 1em;
    border-radius: 4px;
    overflow-x: auto;
    font-family: monospace, monospace;
    font-size: 0.9em;
    line-height: 1.4;
    margin-bottom: 1.5em;
    color: #388e3c; /* Slightly darker pastel green for code text */
}

code {
    font-family: monospace, monospace;
    font-size: 0.9em;
    color: #388e3c;
}

/* Small Text */
small {
    font-size: 0.8em;
    color: #7cb342; /* Pastel Olive Green */
}

/* Error/Validation Messages */
.error-message {
    color: #e57373; /* Pastel Red */
    font-size: 0.9em;
    margin-top: 0.2em;
}

/* Success Messages */
.success-message {
    color: #81c784; /* Pastel Light Green */
    font-size: 0.9em;
    margin-top: 0.2em;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 1em; }
.mb-1 { margin-bottom: 1em; }

/* Responsive Adjustments */
@media (max-width: 768px) {
    .container {
        margin: 10px;
        padding: 15px;
    }

    input[type="text"],
    input[type="number"],
    input[type="email"],
    input[type="password"],
    input[type="date"],
    input[type="time"],
    select,
    textarea {
        width: calc(100% - 12px);
        padding: 8px;
    }

    button {
        padding: 8px 15px;
        font-size: 0.9em;
    }
}

hr {
    border: 0;
    height: 1px;
    background-color: #268871; /* Pastel Cyan */
    margin: 2em 0;
}