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

body {
    background: linear-gradient(135deg, #153677, #4e085f); /* Ljubičasto-plava pozadina */
    min-height: 100vh;
    padding: 10px;
}

.container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- GLAVNA KARTICA --- */
.todo-app {
    width: 100%;
    max-width: 540px;
    background: #fff;
    margin: 100px auto 20px;
    padding: 40px 30px 70px;
    border-radius: 10px;
}

    .todo-app h2 {
        color: #002765;
        display: flex;
        align-items: center;
        margin-bottom: 20px;
    }

/* --- UNOS I DUGME --- */
.row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #edeef0;
    border-radius: 30px;
    padding-left: 20px;
    margin-bottom: 25px;
}

input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    padding: 10px;
}

button {
    border: none;
    outline: none;
    padding: 16px 50px;
    background: #ff5945; /* Jarka narandžasta */
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    border-radius: 40px;
}

    button:hover {
        background: #e04835;
    }

/* --- LISTA ZADATAKA (UL i LI) --- */
ul li {
    list-style: none;
    font-size: 17px;
    padding: 12px 8px 12px 50px;
    user-select: none;
    cursor: pointer;
    position: relative;
}

    /* Krug (neoznačen) prije teksta */
    ul li::before {
        content: '';
        position: absolute;
        height: 28px;
        width: 28px;
        border-radius: 50%;
        background-image: url(https://cdn-icons-png.flaticon.com/512/10628/10628598.png); /* Prazan krug ikonica */
        background-size: cover;
        background-position: center;
        top: 8px;
        left: 8px;
    }

    /* --- ZAVRŠEN ZADATAK (CHECKED) --- */
    ul li.checked {
        color: #555;
        text-decoration: line-through; /* Precrtaj tekst */
    }

        /* Krug (označen) prije teksta */
        ul li.checked::before {
            background-image: url(https://cdn-icons-png.flaticon.com/512/190/190411.png); /* Puna kvačica ikonica */
        }

    /* --- DUGME ZA BRISANJE (X) --- */
    ul li span {
        position: absolute;
        right: 0;
        top: 5px;
        width: 40px;
        height: 40px;
        font-size: 22px;
        color: #555;
        line-height: 40px;
        text-align: center;
        border-radius: 50%;
    }

        ul li span:hover {
            background: #edeef0;
        }