:root {
    --bg-color: #131313;
    --sidebar-color: #1e1e1e;
    --board-color: #0d0d0d;
    --element-bg: #2a2a2a;
    --element-border: #444;
    --text-color: #f0f0f0;
    --accent-color: #3498db;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    margin: 0;
    height: 100vh;
    overflow: hidden;
    user-select: none;
}

/* --- Tło z gwiazdami --- */
@keyframes move-stars {
    from { background-position: 0 0; }
    to { background-position: -10000px 5000px; }
}
#board {
    flex-grow: 1;
    background-color: var(--board-color);
    background-image: 
        radial-gradient(white, rgba(255,255,255,0) 1px),
        radial-gradient(white, rgba(255,255,255,0) 1px);
    background-size: 90px 90px, 160px 160px;
    background-position: 0 0, 30px 30px;
    position: relative;
    overflow: hidden;
    animation: move-stars 500s linear infinite;
}

/* --- Stopka --- */
footer {
    position: fixed;
    bottom: 0;
    left: 240px; /* Szerokość paska bocznego */
    right: 0;
    padding: 8px;
    background-color: rgba(0,0,0,0.5);
    text-align: center;
    font-size: 0.8rem;
    color: #aaa;
    z-index: 100;
}


/* --- Pasek boczny --- */
#sidebar {
    width: 240px;
    background-color: var(--sidebar-color);
    padding: 15px;
    box-shadow: 2px 0 10px rgba(0,0,0,0.5);
    z-index: 10;
    display: flex;
    flex-direction: column;
}
#sidebar h2 { text-align: center; margin-top: 0; }
#elements-list { overflow-y: auto; display: flex; flex-direction: column; gap: 10px; }

/* --- Elementy --- */
.element {
    background-color: var(--element-bg);
    border-radius: 8px;
    padding: 10px 15px;
    text-align: center;
    cursor: grab;
    display: flex; /* Umożliwia wyrównanie emotki i tekstu */
    align-items: center;
    gap: 8px;
    border: 1px solid var(--element-border);
}
#sidebar .element:hover { background-color: #3f3f3f; }
#board .element { position: absolute; z-index: 20; }
.element.dragging { cursor: grabbing; opacity: 0.7; z-index: 999; }
.emoji { font-size: 1.2em; }

/* --- Animacje --- */
@keyframes appear {
    from { transform: scale(0.5); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}
@keyframes disappear {
    from { transform: scale(1); opacity: 1; }
    to { transform: scale(0); opacity: 0; }
}

.element.appearing {
    animation: appear 0.3s ease-out forwards;
}
.element.disappearing {
    animation: disappear 0.4s ease-in forwards;
}

/* --- Nakładka ładowania --- */
#loading-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.7); display: flex; flex-direction: column; justify-content: center; align-items: center; z-index: 1000; }
#loading-overlay.hidden { display: none; }
.spinner { border: 8px solid #f3f3f3; border-top: 8px solid var(--accent-color); border-radius: 50%; width: 60px; height: 60px; animation: spin 1s linear infinite; margin-bottom: 20px; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }