:root {
    /* Základní proměnné pro světlý režim */
    --primary-color: #FFDD00; 
    --secondary-color: #2F2F2F; 
    
    --bg-color: #FFFFFF;
    --bg-secondary-color: #f8f9fa;
    --bg-tertiary-color: #f4f5f7;
    --text-color: #212529;
    --text-light-color: #555;
    --text-on-dark-bg: #f8f9fa;
    --text-on-secondary-bg: #f8f9fa;
    --border-color: #E5E7EB;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --hover-bg-color: #f0f2f5;
    --active-bg-color: #e0eafc;
    --active-border-color: #007AFF;
    --active-text-color: #007AFF;
    --logo-filter: none;
    --icon-bg-animation-color: #E0E0E0; /* Přidáno */
}

[data-theme="dark"] {
    /* Přepsané proměnné pro tmavý režim */
    --secondary-color: #e0e0e0; 

    --bg-color: #1a1a1a;
    --bg-secondary-color: #242424;
    --bg-tertiary-color: #121212;
    --text-color: #e0e0e0;
    --text-light-color: #adb5bd;
    --text-on-dark-bg: #e0e0e0;
    --text-on-secondary-bg: #121212;
    --border-color: #3a3a3a;
    --shadow-color: rgba(0, 0, 0, 0.4);
    --hover-bg-color: #2c2c2c;
    --active-bg-color: #3a3a3a;
    --active-border-color: var(--primary-color);
    --active-text-color: var(--primary-color);
    --logo-filter: invert(1) grayscale(1) brightness(2);
    --icon-bg-animation-color: #444444;
}


* { box-sizing: border-box; }

html, body { 
    height: 100%; 
    margin: 0; 
    padding: 0; 
    font-family: 'Roboto', sans-serif; 
    scroll-behavior: smooth;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* === STYLY PRO HLAVNÍ STRÁNKU (index.html) === */
.landing-body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.landing-nav { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    padding: 15px 40px; 
    width: 100%; 
    position: fixed; 
    top: 0; 
    left: 0; 
    z-index: 100; 
    background: color-mix(in srgb, var(--bg-color) 80%, transparent); 
    backdrop-filter: blur(10px); 
    border-bottom: 1px solid var(--border-color); 
}
.nav-logo { 
    display: flex; 
    align-items: center; 
    gap: 10px; 
    font-family: 'Montserrat', sans-serif; 
    font-weight: 700; 
    font-size: 1.5rem; 
    text-decoration: none; 
    color: var(--text-color); 
}
.logo-img { 
    height: 30px; 
    filter: var(--logo-filter);
}
.nav-controls { 
    display: flex; 
    align-items: center; 
    gap: 20px; 
}
.lang-switcher { 
    display: flex; 
    border: 1px solid var(--border-color); 
    border-radius: 8px; 
    overflow: hidden; 
}
.lang-switcher button { 
    background: transparent;
    border: none; 
    padding: 10px 15px; 
    cursor: pointer; 
    font-weight: 500; 
    transition: background-color 0.2s; 
    color: var(--text-color);
}
.lang-switcher button.active { 
    background-color: var(--secondary-color); 
    color: var(--text-on-secondary-bg); 
}

.landing-hero { 
    min-height: 80vh; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    text-align: center; 
    padding: 80px 20px 40px 20px; 
    position: relative; 
    overflow: hidden;
}

#hero-background-animation {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
    overflow: hidden;
}

.floating-icon {
    position: absolute;
    top: 0; left: 0;
    color: var(--icon-bg-animation-color);
    will-change: transform;
    transition: color 0.4s ease;
}
.floating-icon.is-near {
    color: var(--primary-color); /* Přidáno */
}
.hero-content { 
    max-width: 800px;
    position: relative;
    z-index: 2;
}
.hero-title { 
    font-family: 'Montserrat', sans-serif; 
    font-size: 4rem; 
    font-weight: 900; 
    line-height: 1.1; 
    margin-bottom: 1rem; 
}
.hero-subtitle { 
    font-size: 1.25rem; 
    color: var(--text-light-color); 
    margin: 0 auto 2.5rem auto; 
    line-height: 1.6; 
}
.hero-button { 
    font-family: 'Montserrat', sans-serif; 
    background-color: var(--primary-color); 
    color: #000;
    padding: 16px 40px; 
    border-radius: 50px; 
    text-decoration: none; 
    font-size: 1.2rem; 
    font-weight: 700; 
    transition: transform 0.2s ease, box-shadow 0.2s ease; 
    box-shadow: 0 4px 20px var(--shadow-color); 
}
.hero-button:hover { 
    transform: translateY(-5px); 
    box-shadow: 0 8px 25px color-mix(in srgb, var(--shadow-color) 150%, transparent); 
}

.how-it-works, .final-cta, .support-us-section { 
    text-align: center; 
    background-color: var(--bg-secondary-color); 
}
.how-it-works {
    padding: 100px 20px 100px 20px; /* Snížený horní padding na 0 */
}
.final-cta, .support-us-section {
    padding: 80px 20px; /* Původní padding pro ostatní sekce */
}
.final-cta { background-color: var(--bg-color); }
.how-it-works h2, .final-cta h2, .support-us-section h2 { 
    font-family: 'Montserrat', sans-serif; 
    font-size: 2.5rem; 
    margin-bottom: 1rem; 
}
.how-it-works p, .final-cta p, .support-us-section p { 
    font-size: 1.1rem; 
    color: var(--text-light-color); 
    max-width: 600px; 
    margin: 0 auto 40px auto; 
    line-height: 1.6;
}

.steps-container { 
    display: flex; 
    justify-content: center; 
    gap: 30px; 
    flex-wrap: wrap; 
    max-width: 1100px; 
    margin: 40px auto 0 auto; 
}
.step { 
    background: var(--bg-color); 
    padding: 30px; 
    border-radius: 12px; 
    flex: 1 1 280px; /* Klíčová změna: flex-grow, flex-shrink, flex-basis */
    max-width: 350px; 
    box-shadow: 0 4px 6px -1px var(--shadow-color);
}
.step-icon { 
    width: 60px; 
    height: 60px; 
    border-radius: 50%; 
    background-color: color-mix(in srgb, var(--primary-color) 100%, transparent); 
    color: #000; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    margin: 0 auto 20px auto; 
}
.step-icon i { width: 32px; height: 32px; }
.step h3 { font-family: 'Montserrat', sans-serif; font-size: 1.4rem; margin-bottom: 10px; }
.step p { font-size: 1rem; line-height: 1.6; color: var(--text-light-color); margin-bottom: 0; }

.landing-footer { 
    background-color: #1f1f1f;
    color: #a0a0a0;
    padding: 30px 40px; 
}
.footer-content { 
    max-width: 1200px; 
    margin: 0 auto; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
}
.footer-content p { margin: 0; }

.buy-coffee-button { 
    background: var(--primary-color); 
    color: #000;
    padding: 12px 24px; 
    border-radius: 8px; 
    text-decoration: none; 
    font-weight: 700; 
    display: inline-flex; 
    align-items: center; 
    gap: 8px; 
    transition: transform 0.2s ease; 
}
.buy-coffee-button:hover { transform: scale(1.05); }
.buy-coffee-button img { height: 24px; }

.email-button {
    background: var(--secondary-color);
    color: var(--text-on-secondary-bg);
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}
.email-button:hover {
    background-color: color-mix(in srgb, var(--secondary-color) 80%, black);
    transform: scale(1.05);
}

/* === STYLY PRO EDITOR (editor.html) === */
body:not(.landing-body) { 
    display: flex; 
    flex-direction: column; 
    height: 100vh; 
    overflow: hidden; 
    background: var(--bg-tertiary-color); 
}
.top-bar { 
    height: 56px; 
    background: var(--bg-color); 
    border-bottom: 1px solid var(--border-color); 
    display: flex; 
    align-items: center; 
    padding: 0 16px; 
    flex-shrink: 0; 
    z-index: 20; 
    gap: 15px; 
}
.top-bar-logo { color: var(--text-color); text-decoration: none; }
.logo-img-editor { height: 28px; filter: var(--logo-filter); display: block; }
#presentation-title { 
    flex-grow: 1; 
    text-align: center; 
    border: 1px solid transparent; 
    border-radius: 4px; 
    padding: 5px 10px; 
    margin: 0; 
    font-size: 1.2rem; 
    font-weight: 500; 
    color: var(--text-color);
}
#presentation-title:hover { border-color: var(--border-color); }
#presentation-title:focus { 
    border-color: #FF8800; 
    outline: none; 
    background-color: var(--bg-secondary-color); 
}
.top-bar-group { display: flex; align-items: center; gap: 10px; }

.main-container { display: flex; flex-grow: 1; overflow: hidden; }

.left-sidebar, .right-sidebar { 
    width: 240px; 
    background: var(--bg-color); 
    border-right: 1px solid var(--border-color); 
    display: flex; 
    flex-direction: column; 
    flex-shrink: 0; 
    padding: 20px;
}
.right-sidebar {
    width: 300px;
    border-right: none;
    border-left: 1px solid var(--border-color);
    padding: 0; /* Odebereme padding z kontejneru, protože je na .tab-content */
}

.left-sidebar h2 { font-size: 1rem; font-weight: bold; margin: 0 0 15px 0; color: var(--text-color); }
.left-sidebar hr { margin: 20px 0; border: none; border-top: 1px solid var(--border-color); }

.slide-list-wrapper { flex-grow: 1; display: flex; background: var(--bg-tertiary-color); }
.slide-list { 
    width: 180px; 
    padding: 10px; 
    background: var(--bg-secondary-color); 
    border-right: 1px solid var(--border-color); 
    overflow-y: auto; 
    flex-shrink: 0; 
}
.editor-area { 
    flex-grow: 1; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    padding: 25px; 
    overflow: auto; 
    position: relative; 
}

.btn { 
    display: inline-flex; 
    align-items: center; 
    gap: 8px; 
    padding: 8px 12px; 
    border-radius: 6px; 
    border: 1px solid var(--border-color); 
    background: var(--bg-color); 
    cursor: pointer; 
    transition: all 0.2s; 
    font-size: 14px; 
    color: var(--text-color);
}
.btn:hover:not(.active) { background-color: var(--hover-bg-color); }
.btn.active {
    background-color: var(--active-bg-color);
    border-color: var(--active-border-color);
    color: var(--active-text-color);
}
.btn:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.tool-btn { 
    width: 100%; 
    display: flex; 
    align-items: center; 
    justify-content: flex-start; 
    gap: 10px; 
    padding: 10px; 
    margin-bottom: 10px; 
    border-radius: 6px; 
    border: 1px solid var(--border-color); 
    background: var(--bg-color); 
    cursor: pointer; 
    text-align: left; 
    font-size: 14px; 
    color: var(--text-color);
}
.tool-btn:hover { background-color: var(--hover-bg-color); }

.slide-thumbnail-container { position: relative; margin-bottom: 12px; }
.slide-thumbnail { 
    width: 150px; 
    border: 2px solid var(--border-color); 
    border-radius: 4px; 
    margin: 0 auto; 
    cursor: grab; 
    background-color: white; 
    position: relative; 
    overflow: hidden; 
    box-shadow: 0 2px 4px var(--shadow-color);
}
.slide-thumbnail.active { border-color: #FF8800; }
.slide-thumbnail.drag-over { border-style: dashed; }
.thumbnail-canvas { width: 100%; height: 100%; display: block; }
.delete-slide-btn { 
    position: absolute; 
    top: -8px; right: -8px; 
    background: #e74a3b; 
    color: white; 
    border: none; 
    border-radius: 50%; 
    width: 22px; height: 22px; 
    display: flex; align-items: center; justify-content: center; 
    cursor: pointer; 
    opacity: 0; 
    transition: opacity 0.2s; 
    z-index: 10; 
}
.slide-thumbnail-container:hover .delete-slide-btn { opacity: 1; }

#editor-canvas { 
    background-color: white; 
    box-shadow: 0 4px 12px var(--shadow-color);
    position: relative; 
    overflow: hidden; 
    flex-shrink: 0; 
}

.element { position: absolute; cursor: move; border: 1px solid transparent; transition: border-color 0.1s; }
.element.locked { cursor: not-allowed; }
.element:hover { border-color: #FF880080; }

.selection-box { position: absolute; border: 2px solid #FF8800; pointer-events: none; z-index: 50; }
.resize-handle { 
    position: absolute; 
    width: 10px; height: 10px; 
    background: white; 
    border: 1px solid #FF8800; 
    pointer-events: all; 
    z-index: 51; 
    border-radius: 50%; 
}

.sidebar-tabs { display: flex; border-bottom: 1px solid var(--border-color); }
.tab-btn { 
    flex: 1; padding: 10px; text-align: center; cursor: pointer; 
    background: var(--bg-secondary-color); 
    color: var(--text-color);
    border: none; 
    border-bottom: 2px solid transparent; 
}
.tab-btn.active { background: var(--bg-color); border-bottom-color: #FF8800; font-weight: bold; }
.tab-content { display: none; padding: 20px; overflow-y: auto; flex-grow: 1; }
.tab-content.active { display: block; background-color: var(--bg-color); }

.prop-group { margin-bottom: 15px; }
.prop-group h4 { margin: 0 0 10px 0; font-size: 1.1em; color: var(--text-color); }
.prop-group label { display: block; margin-bottom: 5px; font-size: 13px; color: var(--text-light-color); }
.prop-group input, .prop-group select, .prop-group textarea { 
    width: 100%; padding: 8px; 
    border-radius: 4px; 
    border: 1px solid var(--border-color); 
    background-color: var(--bg-secondary-color);
    color: var(--text-color);
}
.prop-group input[type="range"] { padding: 0; }
.btn-group { display: flex; gap: 5px; }
.btn-group .btn { padding: 8px; }
.btn-group .btn.active { 
    background-color: var(--active-bg-color); 
    border-color: var(--active-border-color); 
    color: var(--active-text-color);
}
.color-input-wrapper { 
    position: relative; 
    display: flex; align-items: center; 
    border: 1px solid var(--border-color); 
    border-radius: 4px; 
    flex-grow: 1; 
}
.color-input-wrapper input[type="color"] { 
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; 
    opacity: 0; cursor: pointer; 
}
.color-input-preview { 
    width: 100%; height: 38px; 
    border-radius: 4px; 
    border: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent); 
}

.layer-item { 
    display: flex; align-items: center; padding: 8px; border-radius: 4px; 
    margin-bottom: 5px; user-select: none;
    gap: 8px;
}
.layer-item.dragging-over {
    border-top: 2px solid var(--active-border-color);
}
.layer-item .layer-name { flex-grow: 1; cursor: pointer; padding: 4px; margin: -4px; border-radius: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;}
.layer-item .layer-name:hover { background-color: var(--hover-bg-color); }
.layer-item .layer-name-input { width: 100%; flex-grow: 1; }

.layer-item-controls { display: flex; gap: 4px; }
.layer-item-controls .btn {
    padding: 4px;
    border: none;
    background: transparent;
    color: var(--text-light-color);
}
.layer-item-controls .btn:hover { background: var(--hover-bg-color); }
.layer-item-controls .btn.active { color: var(--active-text-color); }

.layer-item.selected { background: var(--active-bg-color); }
.layer-item.is-hidden { opacity: 0.6; }
.layer-item.is-locked .layer-name { color: var(--text-light-color); font-style: italic; }

.align-guide { position: absolute; background: #FF4136; z-index: 40; }
.align-guide.x { width: 1px; height: 100%; top: 0; }
.align-guide.y { height: 1px; width: 100%; left: 0; }
.modal { 
    display: none; position: fixed; z-index: 1000; left: 0; top: 0; 
    width: 100%; height: 100%; 
    background-color: rgba(0,0,0,0.6); 
    justify-content: center; align-items: center; 
}
.modal-content { 
    background-color: var(--bg-color); 
    padding: 25px; border-radius: 8px; width: 90%; 
    max-width: 1200px; max-height: 85vh; 
    display: flex; flex-direction: column; 
    box-shadow: 0 4px 20px var(--shadow-color); 
}
.modal-header { display:flex; justify-content:space-between; align-items:center; margin-bottom: 10px; }
.modal-close-btn { cursor:pointer; font-size: 28px; color: var(--text-light-color); }
.modal-grid { 
    flex-grow: 1; overflow-y: auto; display: grid; 
    gap: 15px; margin-top: 10px; padding-right: 10px; 
}
.modal-grid.shape-picker-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.modal-grid.icon-picker-grid { grid-template-columns: repeat(auto-fill, minmax(60px, 1fr)); }
.template-item { 
    border: 1px solid var(--border-color); 
    border-radius: 5px; cursor: pointer; transition: all 0.2s; 
    background: var(--bg-color); 
    text-align: center; padding: 20px; 
    display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 120px; 
}
.icon-picker-grid .template-item { min-height: auto; padding: 15px 5px; }
.template-item:hover { box-shadow: 0 4px 6px -1px var(--shadow-color); border-color: #FF8800; }
.template-item i { width: 48px; height: 48px; margin-bottom: 15px; color: var(--text-light-color); }
.icon-picker-grid .template-item i { width: 24px; height: 24px; margin-bottom: 0; }
.template-item h4 { margin: 0; font-size: 14px; font-weight: normal; }

.fullscreen-modal { 
    display: none; position: fixed; top: 0; left: 0; 
    width: 100%; height: 100%; 
    background-color: var(--bg-tertiary-color); 
    z-index: 2000; overflow-y: auto; padding: 40px; 
}
.new-presentation-content { max-width: 1200px; margin: 0 auto; }
.new-presentation-header { 
    display: flex; align-items: center; gap: 20px; 
    border-bottom: 1px solid var(--border-color); 
    padding-bottom: 15px; margin-bottom: 30px; 
}
.modal-logo { height: 40px; filter: var(--logo-filter); }
.new-presentation-content h1, .new-presentation-content h2 { 
    font-family: 'Montserrat', sans-serif; color: var(--text-color);
}
.new-presentation-content h1 { font-size: 2.5rem; border-bottom: none; padding-bottom: 0; margin-bottom: 0; }
.new-presentation-content h2 { font-family: 'Raleway', sans-serif; font-size: 1.8rem; margin-top: 40px; margin-bottom: 20px; }

.template-set-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
.template-set-item { 
    background: var(--bg-color); 
    border: 1px solid var(--border-color); 
    border-radius: 8px; padding: 25px; cursor: pointer; transition: all 0.2s ease; display: flex; flex-direction: column; 
}
.template-set-item:hover { 
    transform: translateY(-5px); 
    box-shadow: 0 4px 6px -1px var(--shadow-color);
    border-color: #FF8800; 
}
.template-set-item .icon-container { 
    width: 48px; height: 48px; display:flex; align-items:center; justify-content:center; 
    margin-bottom: 15px; color: #FF8800; 
}
.template-set-item .icon-container i { width: 36px; height: 36px; }
.template-set-item h3 { font-family: 'Montserrat', sans-serif; margin: 0 0 10px 0; font-size: 1.2rem; }
.template-set-item p { margin: 0; font-size: 0.9rem; color: var(--text-light-color); line-height: 1.5; flex-grow: 1; }

.chart-data-row { display: grid; grid-template-columns: 1fr 80px 40px auto; gap: 8px; align-items: center; margin-bottom: 8px; }
.chart-data-row-header { display: grid; grid-template-columns: 1fr 80px 40px auto; gap: 8px; margin-bottom: 5px; padding-bottom: 5px; border-bottom: 1px solid var(--border-color); }
.chart-data-row-header span { font-size: 12px; font-weight: bold; color: var(--text-light-color); }
.chart-data-row input { width: 100%; }
.chart-data-row .color-input-wrapper { flex-grow: 0; }
.chart-data-row .btn { padding: 6px; }
.add-data-point-btn { width: 100%; margin-top: 10px; }
.prop-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.prop-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }

/* STYLY PRO PŘEPÍNAČ REŽIMU */
.theme-switcher-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    border-radius: 50%;
}
.theme-switcher-btn:hover {
    background-color: var(--hover-bg-color);
}
[data-theme="light"] .theme-icon-sun { display: none; }
[data-theme="dark"] .theme-icon-moon { display: none; }
.top-bar-group .btn#theme-switcher {
    padding: 8px;
}

/* === SEKCE SUPPORT US === */
.support-us-section {
    background-color: var(--bg-color);
    padding: 100px 20px 80px 20px;
    position: relative;
}
.support-us-wrapper {
    max-width: 800px;
    margin: 0 auto;
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 60px 40px 40px 40px;
    position: relative;
    background-color: var(--bg-secondary-color);
}
.support-us-icon {
    position: absolute;
    top: -35px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 70px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px var(--shadow-color);
    border: 4px solid var(--bg-color);
}
.support-us-icon svg {
    width: 24px;
    height: 24px;
    stroke: #000;
}
.support-us-section h2 { margin-top: 0; }
.support-buttons-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
}

/* === RESPONZIVNÍ ÚPRAVY PRO MOBILNÍ ZAŘÍZENÍ === */
@media (max-width: 768px) {
    .hero-title { font-size: 2.8rem; }
    .hero-subtitle { font-size: 1.1rem; }
    .how-it-works h2, .final-cta h2, .support-us-section h2 { font-size: 2.2rem; }
    .final-cta .hero-button { padding: 14px 28px; font-size: 1rem; }
    .landing-nav { padding: 15px 20px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.2rem; }
    .how-it-works h2, .final-cta h2, .support-us-section h2 { font-size: 1.8rem; }
    .final-cta p, .support-us-section p { font-size: 1rem; line-height: 1.5; }
    .support-us-wrapper { padding: 50px 20px 30px 20px; }
}

/* === Vylepšené styly pro Checkbox v modálech === */
.checkbox-label {
    cursor: pointer;
    user-select: none;
    padding: 8px;
    border-radius: 6px;
    transition: background-color 0.2s ease;
    /* Žádné display: flex nebo grid zde */
}

.checkbox-label:hover {
    background-color: var(--hover-bg-color);
}

.checkbox-label input[type="checkbox"] {
    -webkit-appearance: none;
    appearance: none;
    background-color: transparent;
    margin: 0;
    font: inherit;
    color: var(--text-light-color);
    width: 1.15em; /* Lehce zmenšeno pro lepší zarovnání */
    height: 1.15em;
    border: 0.15em solid currentColor;
    border-radius: 0.25em;
    transform: translateY(-0.075em);
    
    display: inline-grid; /* Klíčová změna */
    place-content: center;
    vertical-align: middle; /* Klíčová změna */
    margin-right: 8px; /* Mezera */
}

.checkbox-label input[type="checkbox"]::before {
    content: "";
    width: 0.65em;
    height: 0.65em;
    transform: scale(0);
    transition: 120ms transform ease-in-out;
    box-shadow: inset 1em 1em var(--active-border-color);
    background-color: var(--active-border-color);
    clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}

.checkbox-label input[type="checkbox"]:checked::before {
    transform: scale(1);
}

.checkbox-label span {
    vertical-align: middle; /* Klíčová změna */
}
/* === Animace pro sekci "Jak to funguje" === */
.step {
    /* Výchozí stav - karta je skrytá a posunutá dolů */
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.step.is-visible {
    /* Viditelný stav - karta se vrátí na původní místo a zprůhlední */
    opacity: 1;
    transform: translateY(0);
}

/* Postupné zpoždění pro každou kartu pro "staggered" efekt */
.step:nth-child(2) {
    transition-delay: 0.2s;
}

.step:nth-child(3) {
    transition-delay: 0.4s;
}