/* Reset stylów */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: linear-gradient(to right, #6a0dad, #9b59b6);
    color: #fff;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Styl nagłówka */
header {
    background: rgba(0, 0, 0, 0.8);
    padding: 15px;
    text-align: center;
    width: 100%;
    z-index: 100;
    animation: fadeIn 1s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Nawigacja */
nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    padding: 10px;
}

nav ul li {
    position: relative;
}

nav ul li a {
    text-decoration: none;
    color: white;
    font-size: 1.1rem;
    padding: 10px 12px;
    transition: 0.3s;
    display: block;
}

nav ul li a:hover {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 5px;
}

/* Dropdown */
.dropdown {
    cursor: pointer;
}

.dropdown-menu {
    display: none;
    position: absolute;
    background: rgba(0, 0, 0, 0.9);
    top: 100%;
    left: 0;
    min-width: 160px;
    border-radius: 5px;
    z-index: 200;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li a {
    display: block;
    padding: 10px;
}

/* Kalkulator */
#kontener {
    max-width: 40%;
    margin: 100px auto 20px;
    background-color: #5e2a8c;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    padding: 20px;
}

/* Stylizacja dla pól tekstowych */
.input-headline {
    font-size: 1.2rem;
}

input[type="text"] {
    width: 100%;
    padding: 12px;
    background-color: #8e44ad;
    border: none;
    color: white;
    font-size: 1.5rem;
    border-radius: 8px;
    margin-bottom: 10px;
}

input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

/* Stopka */
footer {
    background: #111;
    color: #bbb;
    text-align: center;
    padding: 15px;
    font-size: 0.9rem;
    width: 100%;
    margin-top: auto;
}

footer a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

footer a:hover {
    color: #4caf50;
}

/* ================== DODANE STYLE DLA MENU HAMBURGERA ================= */
/* Stylowanie przycisku hamburgera */
.hamburger {
    display: none;
    font-size: 2rem;
    cursor: pointer;
}
/* MEDIA QUERIES - wersja mobilna */
@media (max-width: 768px) {
    .hamburger {
        display: block;
        text-align: end;
    }

    #menu {
        display: none;
        width: 100%;
        background-color: rgba(0, 0, 0, 0.9);
    }

    #menu.active {
        display: block;
    }

    #menu li {
        text-align: center;
        margin: 10px 0;
    }

    /* Stylowanie elementów dropdown na małych ekranach */
    .dropdown-menu {
        display: none;
        position: absolute;
        background-color: rgba(0, 0, 0, 0.9);
        top: 100%;
        left: 0;
        min-width: 160px;
        border-radius: 5px;
        z-index: 200;
    }
    
    /* Pokaż menu, gdy ma klasę 'active' */
    .dropdown-menu.active {
        display: block;
    }

    .dropdown-menu li a {
        padding: 10px;
        background-color: rgba(0, 0, 0, 0.9);
    }

    #kontener {
        max-width: 90%;
        padding: 15px;
        margin-top: 50px;
    }

    input[type="text"] {
        font-size: 1.2rem;
        padding: 10px;
    }

    footer {
        font-size: 0.8rem;
        padding: 10px;
    }
}