@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
}

body,
html {
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f4f7fb;
    transition: background-color 0.3s ease;
    overflow: hidden;
    /* Prevent body overflow */
}

.container {
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    /* Ensure the container doesn't exceed 90% of the viewport height */
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease;
    overflow-y: auto;
    /* Makes the container scrollable */
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

h1 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #333;
    margin-right: auto;
}

#modeSwitch {
    cursor: pointer;
    margin-left: auto;
    font-size: 1.6rem;
}

.input {
    display: flex;
    gap: 1rem;
    align-items: center;
    background-color: #f1f3f6;
    border-radius: 10px;
    padding: 0.5rem 1rem;
}

#inputText {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    padding: 0.6rem 1rem;
    font-size: 1rem;
    border-radius: 8px;
    color: #333;
}

#add {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.2s ease;
}

#add:hover {
    background-color: #218838;
}

.listContainer {
    list-style: none;
    margin-top: 1.5rem;
    padding: 0;
    overflow-y: auto;
    /* Ensures the list also scrolls if it exceeds container height */
}

.listContainer li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: #f9f9f9;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    transition: background-color 0.3s ease, transform 0.3s ease;
    position: relative;
}

.listContainer li.checked {
    background-color: #e2e2e2;
    text-decoration: line-through;
    color: #aaa;
}

.icons {
    display: flex;
    gap: 0.75rem;
    position: absolute;
    right: 1rem;
}

.icons i {
    cursor: pointer;
    transition: color 0.2s ease;
}

.icons i:hover {
    color: #28a745;
}

/* Light mode styles */
body {
    background-color: #f4f7fb;
}

.container {
    background-color: white;
}

.listContainer li {
    background-color: #f9f9f9;
}

/* Dark mode styles */
body.dark-mode {
    background-color: #121212;

}

body.dark-mode .container {
    background-color: #1f1f1f;

}

body.dark-mode header {
    color: white;
}

body.dark-mode h1 {
    color: white;
}

body.dark-mode .listContainer li {
    background-color: #333;
    color: white;
}

body.dark-mode .listContainer li.checked {
    background-color: #33333359;
    color: #ffffff54;
}


body.dark-mode .input {
    background-color: #333333;
}

body.dark-mode #inputText {
    background-color: #333333;
    color: white;

}

body.dark-mode #add {
    background-color: #28a745;
    color: white;
}

body.dark-mode .icons i {
    color: white;
}
body.dark-mode .listContainer li.checked .icons i{
    color: #ffffff45;

}

body.dark-mode .checked {
    color: gray;
}

/* Mobile-specific adjustments */
@media (max-width: 768px) {
    header {
        flex-direction: row;
        align-items: center;
        gap: 1rem;
    }

    h1 {
        font-size: 1.5rem;
        flex-grow: 1;
    }

    #modeSwitch {
        margin-left: auto;
        font-size: 1.5rem;
    }

    .container {
        padding: 1rem;
        max-width: 100%;
    }

    .input {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }

    #inputText {
        width: 100%;
        font-size: 1rem;
        padding: 0.5rem;
    }

    .listContainer li {
        flex-direction: column;
        align-items: flex-start;
    }

    .icons {
        flex-direction: row;
        gap: 0.5rem;
        justify-content: flex-start;
    }
}