* {
    box-sizing: border-box;
}

body {
    transition: background-color 0.4s ease, color 0.4s ease;
}

header, footer, .tab, button {
    transition: all 0.4s ease;
}

body.light-mode {
    background-color: white;
    color: black;
}

body.light-mode footer {
    background-color: #f0f0f0;
    color: black;
    border-radius: 15px;
}

.light-mode a {
    color: #000000;
}

body.dark-mode {
    background-color: black;
    color: aliceblue;
}

body.dark-mode button {
    background-color: #ff0000;
}

body.dark-mode main {
    background-color:rgb(91, 89, 89) ;
}


body.dark-mode p,
body.dark-mode a,
body.dark-mode h1,
body.dark-mode h2,
body.dark-mode b {
    color: rgb(255, 255, 255);
}

body.dark-mode footer {
    background-color: rgb(167, 167, 167);
    color: rgb(255, 255, 255);
    border-radius: 15px;
}

.poem {
    text-align: center;
}

#counter {
    border-width: 3px;
    border-color: rgb(84, 193, 243);
    border-style: solid;
    display: inline-block;
}

button {
    padding: 12px 24px;
    font-size: 12px;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;

    background-color: #ff007b;
    color: white;

    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}



button:hover {
    transform: scale(1.05);
    filter: brightness(1.2);
}

button:active {
    transform: scale(0.95);
}

.center {
    max-width: 940px;
    padding: 20px;
    margin-left: auto;
    margin-right: auto;
}

.banna {
    font-size: 48px;
}

.line {
    display: flex;
    gap: 15px;
    justify-content:
        space-between;
    align-items: center;
}


.underline {
    display: flex;
    gap: 30px;
    justify-content: right;
    border-bottom: 1px solid rgb(255, 255, 255);
    margin-bottom: 0;
    padding: 0px;
}

.tab {
    display: inline-block;
    border: 1px solid white;
    border-bottom: none;
    padding: 10px;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
}

.light-mode .underline {
    border-color: black;
}

.light-mode .tab {
    border-color: black;
}

main {
    min-height: 50vh;
    background-color: #fed6d65c;
    border-radius: 15px;
    margin: 30px;
}