/* General Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Dark Mode Styling */
body {
    font-family: Arial, sans-serif;
    background-color: #121212;
    color: #E0E0E0;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    border-radius: 8px;
    background-color: #1E1E1E;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
}

h1 {
    text-align: center;
    color: #BB86FC;
    margin-bottom: 20px;
}

h2 {
    color: #BB86FC;
    border-bottom: 2px solid #BB86FC;
    padding-bottom: 5px;
    margin-top: 15px;
}

/* Day-specific header styling */
.day h2 {
    color: #FFFFFF;
    font-size: 24px;
    text-align: center;
    background: linear-gradient(135deg, #BB86FC, #9B63CC);
    padding: 15px;
    border-radius: 8px;
    margin: -20px -20px 20px -20px;
    border: none;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

h3 {
    color: #BB86FC;
    margin-top: 10px;
}

/* Section headers within days */
.day h3 {
    background-color: #333;
    padding: 8px 12px;
    border-radius: 6px;
    margin: 20px 0 10px 0;
    font-size: 18px;
    border-left: 4px solid #BB86FC;
}

h4 {
    color: #9B63CC;
    margin-top: 10px;
    margin-bottom: 5px;
}

ul {
    margin-top: 10px;
    list-style-type: none;
}

.exercise {
    background-color: #333333;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 5px;
    color: #E0E0E0;
}

.exercise:hover {
    background-color: #646464;
}


.day {
    display: none; /* Initially hidden, JavaScript reveals the correct day */
    background-color: #252525;
    border: 2px solid #444;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    position: relative;
}

.day::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #BB86FC, #9B63CC, #BB86FC);
    border-radius: 12px 12px 0 0;
}

.day li {
    cursor: pointer;
}

.day p {
    font-style: italic;
    color: #B0B0B0;
    margin: 10px 0;
}

.day em {
    color: #FF6B6B;
}

/* Button Styling */
button {
    display: block;
    width: 100%;
    padding: 12px;
    background-color: #BB86FC;
    color: #121212;
    font-weight: bold;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    margin-top: 15px;
    font-size: 16px;
}

button:hover {
    background-color: #9B63CC;
}

/* Collapsible Header Styling */
.collapsible-header {
    cursor: pointer;
    user-select: none;
    transition: background-color 0.3s ease;
    padding: 10px;
    border-radius: 5px;
}

.collapsible-header:hover {
    background-color: #2A2A2A;
}

.toggle-icon {
    margin-right: 10px;
    font-size: 14px;
    transition: transform 0.3s ease;
}

.collapsible-content {
    display: block;
    transition: all 0.3s ease;
}

/* Auxiliary Section Styling */
.auxiliary-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid #333;
}

/* Day-specific color variations */
.day[data-day="Monday"] {
    border-color: #4A6B5C;
}

.day[data-day="Monday"]::before {
    background: linear-gradient(90deg, #4A6B5C, #5A7B6C, #4A6B5C);
}

.day[data-day="Monday"] h2 {
    background: linear-gradient(135deg, #4A6B5C, #5A7B6C);
}

.day[data-day="Tuesday"] {
    border-color: #5B6B7A;
}

.day[data-day="Tuesday"]::before {
    background: linear-gradient(90deg, #5B6B7A, #6B7B8A, #5B6B7A);
}

.day[data-day="Tuesday"] h2 {
    background: linear-gradient(135deg, #5B6B7A, #6B7B8A);
}

.day[data-day="Thursday"] {
    border-color: #6B4A5C;
}

.day[data-day="Thursday"]::before {
    background: linear-gradient(90deg, #6B4A5C, #7B5A6C, #6B4A5C);
}

.day[data-day="Thursday"] h2 {
    background: linear-gradient(135deg, #6B4A5C, #7B5A6C);
}

.day[data-day="Sunday"] {
    border-color: #5A4A7A;
}

.day[data-day="Sunday"]::before {
    background: linear-gradient(90deg, #5A4A7A, #6A5A8A, #5A4A7A);
}

.day[data-day="Sunday"] h2 {
    background: linear-gradient(135deg, #5A4A7A, #6A5A8A);
}