:root {
    --kolor-tlo: #f4f6f8;
    --kolor-karta: #ffffff;
    --kolor-tekst: #1f2933;
    --kolor-tekst-przygaszony: #52606d;
    --kolor-granica: #d9e2ec;
    --kolor-glowny: #1c5d8c;
    --kolor-glowny-hover: #164a70;
    --kolor-akcent: #0f8a65;
    --kolor-blad-tlo: #fdecea;
    --kolor-blad-tekst: #9c2b1f;
    --kolor-sukces-tlo: #e8f6ef;
    --kolor-sukces-tekst: #0f6e4c;
    --promien: 8px;
    --cien: 0 1px 3px rgba(20, 30, 40, 0.08), 0 1px 2px rgba(20, 30, 40, 0.06);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    background: var(--kolor-tlo);
    color: var(--kolor-tekst);
    line-height: 1.5;
}

header.gorny-pasek {
    background: var(--kolor-glowny);
    color: #ffffff;
    padding: 0.85rem 1.5rem;
}

header.gorny-pasek nav {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

header.gorny-pasek .marka {
    font-weight: 600;
    font-size: 1.05rem;
    text-decoration: none;
    color: #ffffff;
}

header.gorny-pasek .sesja {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: #dbe8f2;
}

.zegarek-sesji {
    font-family: monospace;
    font-size: 0.85rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.12);
    cursor: pointer;
}
.zegarek-sesji:hover {
    background: rgba(255, 255, 255, 0.22);
}
.zegarek-sesji.zegarek-sesji-ostrzezenie {
    background: #d99a00;
    color: #fff;
    font-weight: 600;
}

.nakladka-sesji-tlo {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(11, 61, 99, 0.75);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.nakladka-sesji-karta {
    background: #fff;
    border-radius: 8px;
    padding: 1.75rem;
    max-width: 380px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
.nakladka-sesji-karta h2 {
    margin-top: 0;
    font-size: 1.2rem;
}
.nakladka-sesji-przyciski {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 1.25rem;
}

.pasek-sily-hasla-tlo {
    height: 6px;
    background: #e5e5e5;
    border-radius: 3px;
    overflow: hidden;
    margin-top: 0.35rem;
}
.pasek-sily-hasla {
    height: 100%;
    width: 0;
    transition: width 0.2s ease, background 0.2s ease;
}
.etykieta-sily-hasla {
    font-size: 0.8rem;
    margin-top: 0.2rem;
    display: block;
}

.lista-checkboxow {
    max-height: 320px;
    overflow-y: auto;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 0.5rem 0.75rem;
}
.lista-checkboxow label {
    padding: 0.15rem 0;
    font-weight: normal;
}

.dymek-podsumowania {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    background: #0b3d63;
    color: #fff;
    padding: 0.75rem 1.1rem;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
    font-size: 0.9rem;
    z-index: 500;
    max-width: 320px;
}

.naglowek-sortowalny {
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}
.naglowek-sortowalny:hover {
    text-decoration: underline;
}
.naglowek-sortowalny::after {
    content: '';
    display: inline-block;
    width: 0.6em;
    margin-left: 0.3em;
    opacity: 0.4;
}
.naglowek-sortowany-asc::after { content: '\25B2'; opacity: 1; }
.naglowek-sortowany-desc::after { content: '\25BC'; opacity: 1; }

.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.modal-karta {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.25);
    padding: 1.5rem;
    max-width: 420px;
    width: 100%;
}
.modal-karta p {
    margin: 0 0 1.25rem;
    font-size: 1rem;
    line-height: 1.4;
}
.modal-przyciski {
    display: flex;
    gap: 0.6rem;
    justify-content: flex-end;
}

.dymek-wydrukow {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    background: #eaf3fb;
    border: 2px solid #0b3d63;
}
.dymek-wydrukow-ikona {
    font-size: 2.5rem;
    line-height: 1;
    flex-shrink: 0;
}

.wiersz-niekompletny {
    background: #fdecea;
}
.wiersz-niekompletny td {
    background: #fdecea;
}

header.gorny-pasek button {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

header.gorny-pasek button:hover {
    background: rgba(255, 255, 255, 0.22);
}

main.tresc {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem 3rem;
}

h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 1.25rem;
    color: var(--kolor-tekst);
}

h2 { font-size: 1.15rem; font-weight: 600; margin: 1.5rem 0 0.75rem; }

p { color: var(--kolor-tekst-przygaszony); }

.karta {
    background: var(--kolor-karta);
    border: 1px solid var(--kolor-granica);
    border-radius: var(--promien);
    box-shadow: var(--cien);
    padding: 1.75rem;
    max-width: 480px;
}

.karta.szeroka { max-width: 720px; }
.karta.pelna-szerokosc { max-width: none; }

.zakladki {
    display: flex;
    gap: 0.25rem;
    border-bottom: 2px solid var(--kolor-granica);
}
.przycisk-zakladki {
    background: none;
    border: none;
    padding: 0.6rem 1rem;
    cursor: pointer;
    font-weight: 600;
    color: var(--kolor-tekst-drugorzedny, #666);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}
.przycisk-zakladki.aktywna {
    color: var(--kolor-glowny);
    border-bottom-color: var(--kolor-glowny);
}

.alias-ukryty {
    font-family: monospace;
}

form div.pole { margin-bottom: 1.1rem; }

label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--kolor-tekst);
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="file"],
select,
textarea {
    width: 100%;
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--kolor-granica);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
    background: #ffffff;
    color: var(--kolor-tekst);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--kolor-glowny);
    box-shadow: 0 0 0 3px rgba(28, 93, 140, 0.15);
}

button, .przycisk {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background: var(--kolor-glowny);
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

button:hover, .przycisk:hover { background: var(--kolor-glowny-hover); }

button.drugorzedny, a.przycisk.drugorzedny {
    background: transparent;
    color: var(--kolor-glowny);
    border: 1px solid var(--kolor-granica);
}

button.drugorzedny:hover, a.przycisk.drugorzedny:hover { background: #eef4f8; }

[role="alert"] {
    background: var(--kolor-blad-tlo);
    color: var(--kolor-blad-tekst);
    border: 1px solid #f3c6c2;
    border-radius: 6px;
    padding: 0.65rem 0.9rem;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.komunikat-sukces {
    background: var(--kolor-sukces-tlo);
    color: var(--kolor-sukces-tekst);
    border: 1px solid #b9e3cd;
    border-radius: 6px;
    padding: 0.65rem 0.9rem;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--kolor-karta);
    border: 1px solid var(--kolor-granica);
    border-radius: var(--promien);
    overflow: hidden;
}

th, td {
    text-align: left;
    padding: 0.65rem 0.9rem;
    border-bottom: 1px solid var(--kolor-granica);
    font-size: 0.9rem;
}

th { background: #eef4f8; font-weight: 600; }

.karty-panelu {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.karty-panelu a.karta {
    display: block;
    text-decoration: none;
    color: var(--kolor-tekst);
    max-width: none;
}

.karty-panelu a.karta:hover { border-color: var(--kolor-glowny); }

.karty-panelu a.karta strong { color: var(--kolor-glowny); }

.etykieta {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.etykieta.otwarty { background: #e8f6ef; color: #0f6e4c; }
.etykieta.weryfikacja { background: #fff4e0; color: #9a6400; }
.etykieta.odwolania { background: #fdecea; color: #9c2b1f; }
.etykieta.zamkniety { background: #e6eaee; color: #52606d; }
.etykieta.nieaktywny { background: #f1eee8; color: #85807a; }

.link-powrotu {
    display: inline-block;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    color: var(--kolor-tekst-przygaszony);
    text-decoration: none;
}

.link-powrotu:hover { color: var(--kolor-glowny); }

.uklad-listy {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 1.5rem;
    align-items: start;
}

.uklad-listy .panel-boczny {
    position: sticky;
    top: 1rem;
}

.uklad-listy .panel-boczny .karta {
    max-width: none;
}

.pole-filtra input {
    max-width: 420px;
}

@media (max-width: 800px) {
    .uklad-listy {
        grid-template-columns: 1fr;
    }
    .uklad-listy .panel-boczny {
        position: static;
    }
}

.grupa-przedmiotu {
    background: var(--kolor-karta);
    border: 1px solid var(--kolor-granica);
    border-radius: var(--promien);
    margin-bottom: 0.85rem;
    overflow: hidden;
}

.grupa-przedmiotu summary {
    cursor: pointer;
    padding: 0.75rem 1rem;
    font-weight: 600;
    background: #eef4f8;
    list-style: none;
}

.grupa-przedmiotu summary::-webkit-details-marker { display: none; }

.grupa-przedmiotu summary::before {
    content: "▸ ";
    color: var(--kolor-glowny);
}

.grupa-przedmiotu[open] summary::before {
    content: "▾ ";
}

.grupa-przedmiotu table {
    border: none;
    border-radius: 0;
}

.akcje-tabeli {
    display: flex;
    gap: 0.4rem;
    align-items: center;
    flex-wrap: nowrap;
}

.akcje-tabeli form {
    display: inline-flex;
    margin: 0;
}

.przycisk-tabeli {
    padding: 0.35rem 0.7rem !important;
    font-size: 0.85rem !important;
    white-space: nowrap;
}

.przedmiot-inna-szkola {
    background: #fff2b8;
    padding: 0.05rem 0.35rem;
    border-radius: 3px;
    cursor: help;
}

.wiersz-podglad-prog {
    background: #e8f6ef !important;
}
.wiersz-podglad-prog td {
    background: #e8f6ef;
}

.ostrzezenie-jednorazowe {
    background: #fff8e6;
    border-left: 4px solid #d99a00;
}