:root {
    /* === Barvy === */
    --color-bg-dark: #000000;
    --color-bg-light: #f2f2f2;

    --color-white: #ffffff;
    --color-black: #000000;

    --color-accent: #ff8c00;

    --color-tooltip-bg-dark: rgba(255, 255, 255, 0.08);
    --color-tooltip-bg-light: rgba(0, 0, 0, 0.08);

    --color-border-light: rgba(255, 255, 255, 0.15);
    --color-border-dark: rgba(0, 0, 0, 0.15);

    --text-light: #ffffff;
    --text-dark: #000000;

    /* === Text & velikosti === */
    --font-main: Arial, sans-serif;
    --font-size-title: 2.5em;
    --font-size-tooltip: 0.55em;

    /* === Tooltip === */
    --tooltip-padding: 3px 6px;
    --tooltip-radius: 4px;

    /* === Tlačítko === */
    --btn-radius: 20px;
    --btn-padding: 8px 14px;
    --btn-font-size: 1.2em;
}

/* === Základní nastavení === */
html,
body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: var(--color-bg-dark);
    width: 100vw;
    height: 100vh;
    font-family: var(--font-main);
}

body.light-mode {
    background-color: var(--color-bg-light);
}

body.gallery-page {
    overflow: auto;  /* === Aby jel scroll na gallery.css ===*/
}

/* === Canvas === */
canvas {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
}

/* === Přepínač módu === */
.theme-toggle {
    position: absolute;
    bottom: 20px;
    right: 20px;
    z-index: 100;
}

.theme-toggle input {
    display: none;
}

.theme-toggle label {
    width: 50px;
    height: 24px;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 40px;
    cursor: pointer;
    padding: 2px;
    transition: background 0.3s ease;
    backdrop-filter: blur(3px);
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.15);
    position: relative;
}

/* Dot = částice */
.toggle-dot {
    width: 18px;
    height: 18px;
    background: var(--color-accent);
    border-radius: 50%;
    position: relative;
    z-index: 2;
    transition: transform 0.35s ease;
    box-shadow:
        0 0 4px rgba(255, 140, 0, 0.5),
        0 0 8px rgba(255, 140, 0, 0.3);
}

/* Orbitální mrdky*/
.orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 4px;
    background-color: var(--text-light);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    pointer-events: none;
}

body.light-mode .orbit {
    background-color: var(--text-dark);
}

/* Individuální orbity – rozdílné radii + rychlost */
.orbit1 {
    animation: orbit-rotate 3s linear infinite;
    --r: 12px;
}

.orbit2 {
    animation: orbit-rotate 4.5s linear infinite reverse;
    --r: 16px;
}

.orbit3 {
    animation: orbit-rotate 6s linear infinite;
    --r: 20px;
}

@keyframes orbit-rotate {
    0% {
        transform: translate(-50%, -50%) rotate(0deg) translateX(var(--r)) rotate(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotate(360deg) translateX(var(--r)) rotate(-360deg);
    }
}



/* Zapnuto – posun doprava */
.theme-toggle input:checked+label .toggle-dot {
    transform: translateX(26px);
}

/* Light mode barva pozadí */
body.light-mode .theme-toggle label {
    background: rgba(0, 0, 0, 0.08);
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.15);
}



body.light-mode #theme-toggle {
    background-color: rgba(0, 0, 0, 0.2);
    color: var(--text-dark);
    border: 1px solid var(--text-dark);
}

/* === Navigační texty === */
.word {
    position: absolute;
    font-size: var(--font-size-title);
    font-weight: bold;
    color: var(--text-light);
    -webkit-text-stroke: 1px var(--text-light);
    text-shadow: 0 0 2px var(--text-light);

    padding: 10px 15px;
    box-sizing: content-box;

    cursor: help;
    transition: transform 0.2s ease, color 0.3s, text-shadow 0.3s, opacity 0.3s;
    z-index: 10;
    pointer-events: auto;

    animation: pulseText 5s ease-in-out infinite;
}

.word-container {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    perspective: 800px;
    transition: transform 0.15s ease;
    will-change: transform;
}

.word-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transform-origin: center;
    transition: transform 0.2s ease;
    will-change: transform;
}

/* === Hover efekt === */
.word:hover {
    color: var(--color-accent);
    -webkit-text-stroke: 1px var(--color-accent);

}

.word:hover,
.word.active-word {
    animation: none !important;
    opacity: 1;
    /* aby se neudrželo "vydechnuté" */
}


/* === Tooltip === */
.word::after {
    content: attr(data-tooltip);
    position: absolute;
    top: 120%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.2);
    /* jemný světlý závoj */
    color: var(--text-light);
    font-size: var(--font-size-tooltip);
    padding: var(--tooltip-padding);
    border-radius: var(--tooltip-radius);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 20;

    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    border: none;
}


body.light-mode .word {
    color: var(--text-dark);
    -webkit-text-stroke: 1px var(--text-dark);
    text-shadow: 0 0 2px var(--text-dark);
}

body.light-mode .word::after {
    background: rgba(0, 0, 0, 0.20);
    color: var(--color-black);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
    border: none;
}


/*
body.light-mode .word::after {
    background: var(--color-tooltip-bg-light);
    color: var(--text-dark);
    border: 1px solid var(--color-border-dark);
}
*/

body.light-mode .word:hover {
    color: var(--color-accent);
    -webkit-text-stroke: 1px var(--color-accent);
    /* text-shadow:
        0 0 5px rgba(255, 140, 0, 0.3),
        0 0 10px rgba(255, 140, 0, 0.2),
        0 0 15px rgba(255, 140, 0, 0.1);

        text-shadow:
        0 0 5px rgba(255, 140, 0, 0.6),
        0 0 10px rgba(255, 140, 0, 0.5),
        0 0 20px rgba(255, 140, 0, 0.4);*/
}

.word:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(2px) scale(1.02);
}

/* === Aktivní & neaktivní slovo === */
.active-word {
    transform: scale(1.2);
    z-index: 15;
}

.inactive-word {
    transform: scale(0.9);
    opacity: 0.8;
}

/* === Animace === */
@keyframes pulseText {

    0%,
    100% {
        opacity: 0.95;
    }

    50% {
        opacity: 0.8;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-4px);
    }
}


/*Dodatek*/
.admin-button {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 999;
    background-color: var(--color-accent);
    color: white;
    border: none;
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 0.95em;
    cursor: pointer;
    transition: background-color 0.3s;
}

.admin-button:hover {
    background-color: #e67e00;
}

body.light-mode .admin-button {
    color: black;
}