/* CAŁA STRONA I TŁO */
body {
    height: 100%;
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: linear-gradient(180deg, #0b0e1a 0%, #120a22 100%);
    color: #f0f0f0;
}

/* HERO - na górze */
.klasy-hero {
    text-align: center;
    padding: 30px 20px;
}

.klasy-hero h1 {
    font-size: 56px;
    color: #c49c29;
    margin: 0;
}

.linia-dekoracyjna {
    width: 150px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #c49c29, transparent);
    margin: 15px auto;
}

.klasy-hero p {
    color: #bbb;
    font-size: 16px;
    margin-top: 10px;
}

/* DASHBOARD – pełny ekran */
.klasy-dashboard {
    display: flex;
    height: calc(100vh - 150px); /* wysokość minus hero i padding */
    gap: 20px;
    padding: 0 30px 30px 30px;
    box-sizing: border-box;
}

/* LEWY PANEL */
.panel-lewy {
    flex: 0 0 300px;
    background: rgba(75,0,130,0.08);
    border: 1px solid #4b0082;
    border-radius: 20px;
    padding: 30px 20px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.panel-naglowek {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.strzalka {
    background: none;
    border: none;
    color: #c49c29;
    font-size: 20px;
    cursor: pointer;
}

.lista-klas {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.lista-klas li {
    padding: 15px 20px;
    border-radius: 12px;
    cursor: pointer;
    transition: 0.3s;
    font-size: 18px;
}

.lista-klas li:hover {
    background: rgba(196,156,41,0.2);
}

.ukryte {
    display: none;
}

.znajdz-przycisk {
    width: 100%;
    padding: 15px;
    border-radius: 15px;
    border: none;
    background-color: #c49c29;
    color: #000;
    cursor: pointer;
    font-weight: bold;
    font-size: 16px;
    transition: 0.3s;
}

.znajdz-przycisk:hover {
    background-color: #fff;
    box-shadow: 0 0 20px #c49c29;
}

/* PRAWY PANEL – pełny ekran */
.panel-prawy {
    flex: 1;
    background: rgba(75,0,130,0.08);
    border: 1px solid #4b0082;
    border-radius: 20px;
    padding: 40px;
    box-sizing: border-box;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    text-align: center;
}

/* MODAL */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.7);
}

.modal-zawartosc {
    background-color: #1a0b2e;
    margin: auto;
    padding: 30px;
    border: 1px solid #4b0082;
    width: 50%;
    border-radius: 20px;
    color: #fff;
    text-align: center;
}

.modal-zawartosc ul {
    list-style: none;
    padding: 0;
}

.modal-zawartosc li {
    padding: 12px 0;
    border-bottom: 1px solid #4b0082;
    font-size: 18px;
}

.modal-zawartosc li:hover {
    color: #c49c29;
    cursor: pointer;
}

.zamknij {
    color: #c49c29;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}