/* -------------------------- */
/*      Kajotte Studio        */
/* -------------------------- */
/* Understanding Light (GitHub Gallery) */
:root {
    --bg-color: #fafafa;
    --card-bg: #ffffff;
    --text-main: #111111;
    --text-muted: #666666;
    --accent: #000000;
    --border-color: #eaeaea;
    --nav-bg: rgba(255, 255, 255, 0.85);
    --transition: all 0.3s ease;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.top-nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.9em;
    margin-right: 30px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--accent);
}

.lang-switch a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.85em;
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 4px;
    transition: var(--transition);
}

.lang-switch a.active, .lang-switch a:hover {
    background-color: var(--accent);
    color: #fff;
}

.lang-switch span {
    color: var(--border-color);
    margin: 0 5px;
}

.container {
    max-width: 1000px;
    margin: 100px auto 40px;
    padding: 0 20px;
}

.content-card {
    background: var(--card-bg);
    padding: 60px 80px;
    border-radius: 2px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.03);
}

h1 {
    font-size: 2.8em;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 0.2em;
}

h2 {
    font-size: 1.5em;
    font-weight: 600;
    margin: 2.5em 0 1em;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.golden-rule {
    font-size: 1.4em;
    font-weight: 300;
    color: var(--text-muted);
    margin-bottom: 2em;
    border-left: 3px solid var(--accent);
    padding-left: 20px;
}

.table-responsive {
    width: 100%;
    overflow-x: auto; 
    -webkit-overflow-scrolling: touch; 
    margin-bottom: 3em;
}

table {
    width: 100%;
    border-collapse: collapse;
    /* min-width: 700px;  <--  */
    font-size: 0.95em;
}

th, td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    vertical-align: top;
}

th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8em;
    letter-spacing: 1px;
    color: var(--text-muted);
}

tbody tr {
    transition: var(--transition);
}

tbody tr:hover {
    background-color: #fcfcfc;
}

td:nth-child(2), td:nth-child(3) {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.9em;
}

.sources {
    font-size: 0.85em;
    color: var(--text-muted);
    background: #f9f9f9;
    padding: 20px;
    border-radius: 4px;
    margin-top: 50px;
}

.sources strong {
    display: block;
    margin-bottom: 10px;
    color: var(--text-main);
}

.sources ul {
    list-style-type: none;
}

.sources li {
    margin-bottom: 8px;
}

.sources a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.sources a:hover {
    border-bottom: 1px solid var(--accent);
}

footer {
    text-align: center;
    font-size: 0.85em;
    color: var(--text-muted);
    padding: 40px 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- Sekcja: Tworzenie rzeczywistości przez światło --- */
.perception-box {
    background: #fafafa;
    border: 1px solid var(--border-color);
    border-left: 3px solid #000000;
    padding: 24px;
    margin: 2em 0;
    border-radius: 2px;
}

.perception-box p {
    font-size: 1.05em;
    color: var(--text-main);
    margin-bottom: 1em;
}

.perception-box ul {
    list-style: none;
    padding: 0;
}

.perception-box li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    font-size: 0.95em;
    color: var(--text-muted);
}

.perception-box li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

.perception-box strong {
    color: var(--text-main);
}

/* --- Sekcja wyróżnienia / Trivia o światle --- */
.photon-box {
    background: #fdfdfd;
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent);
    padding: 24px;
    margin: 2em 0;
    border-radius: 2px;
}

.photon-box p {
    font-size: 1.05em;
    color: var(--text-main);
    margin-bottom: 1.2em;
}

.photon-box ul {
    list-style: none;
    padding: 0;
}

.photon-box li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    font-size: 0.95em;
    color: var(--text-muted);
}

.photon-box li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

.photon-box strong {
    color: var(--text-main);
}

/* Poprawka dla nawigacji mobilnej (dodatkowy odstęp kontenera) */
@media (max-width: 768px) {
    .container {
        margin-top: 130px; /* Zabezpieczenie przed zasłanianiem treści przez wyższy, dwuliniowy top-nav */
    }
}

@media (max-width: 768px) {
    .content-card {
        padding: 30px 15px;
    }
    
    table {
        table-layout: fixed; 
        width: 100%;
        font-size: 0.82em;
    }
    
    th, td {
        padding: 12px 5px; 
        word-wrap: break-word;
        overflow-wrap: break-word;
        word-break: break-word; 
        vertical-align: top;
    }

    .top-nav {
        flex-direction: column;
        padding: 15px 10px;
    }
    
    .nav-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px 20px;
        margin-bottom: 15px;
    }
    
    .nav-links a {
        margin-right: 0;
    }
}