:root {
    --background-color-light: #f0f0f0;
    --container-background-light: white;
    --text-color-light: #333;
    --button-background-light: #007bff;
    --button-hover-light: #0056b3;

    --background-color-dark: #222;
    --container-background-dark: #333;
    --text-color-dark: #f0f0f0;
    --button-background-dark: #0056b3;
    --button-hover-dark: #007bff;
}

body {
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--background-color-light);
    transition: background-color 0.3s;
    gap: 20px;
}

body.dark-mode {
    background-color: var(--background-color-dark);
}

.container {
    text-align: center;
    padding: 40px;
    background-color: var(--container-background-light);
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1), 0 6px 6px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s;
}

body.dark-mode .container {
    background-color: var(--container-background-dark);
}

.timer-container {
    padding: 20px 40px;
    background-color: var(--container-background-light);
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1), 0 6px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: background-color 0.3s;
}

body.dark-mode .timer-container {
    background-color: var(--container-background-dark);
}

.time-display {
    font-size: 1.1rem;
    color: var(--text-color-light);
    margin-bottom: 8px;
    transition: color 0.3s;
}

body.dark-mode .time-display {
    color: var(--text-color-dark);
}

.countdown-display {
    font-size: 1.2rem;
    color: #ff4757;
    font-weight: bold;
}

h1 {
    color: var(--text-color-light);
    margin-bottom: 30px;
    transition: color 0.3s;
}

body.dark-mode h1 {
    color: var(--text-color-dark);
}

.results-container {
    margin-bottom: 30px;
}

.numbers-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px; /* Add some space between number sets */
}

.number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    font-weight: bold;
    color: white;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.plus-sign {
    font-size: 36px;
    font-weight: bold;
    color: var(--text-color-light);
    transition: color 0.3s;
}

body.dark-mode .plus-sign {
    color: var(--text-color-dark);
}

.controls-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

#count-input {
    width: 60px;
    padding: 10px;
    font-size: 18px;
    text-align: center;
    border-radius: 8px;
    border: 1px solid #ccc;
}

#generate-btn {
    padding: 15px 30px;
    font-size: 18px;
    color: white;
    background-color: var(--button-background-light);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s, box-shadow 0.3s;
    box-shadow: 0 2px 5px rgba(0, 123, 255, 0.5);
}

#generate-btn:hover {
    background-color: var(--button-hover-light);
    box-shadow: 0 4px 10px rgba(0, 123, 255, 0.7);
}

body.dark-mode #generate-btn {
    background-color: var(--button-background-dark);
}

body.dark-mode #generate-btn:hover {
    background-color: var(--button-hover-dark);
}

/* Theme Switch */
.theme-switcher-container {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column; /* Stack items vertically */
    align-items: center;
    gap: 10px;
}

.icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 32px; /* Accommodate larger icon */
    height: 32px; /* Accommodate larger icon */
}

.theme-icon {
    font-size: 32px; /* Increased icon size */
    position: absolute;
    transition: opacity 0.3s;
    line-height: 32px; /* Match wrapper height */
}

.sun {
    opacity: 1;
}

.moon {
    opacity: 0;
}

body.dark-mode .sun {
    opacity: 0;
}

body.dark-mode .moon {
    opacity: 1;
}

.theme-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #2196F3;
}

input:checked + .slider:before {
    transform: translateX(26px);
}