:root {
    --bg: #000000;
    --card: #121212;
    --purple: #8a2be2;
    --text: #ffffff;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: sans-serif;
    margin: 0;
}

#start-screen { padding: 20px; text-align: center; }

.logo { font-size: 40px; color: var(--purple); font-weight: bold; margin-bottom: 20px; }

/* Table Grid Styling */
.purple-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    max-width: 800px;
    margin: 20px auto;
}

.t-btn {
    background: var(--card);
    border: 2px solid var(--purple);
    color: white;
    padding: 20px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 18px;
}

.view-hidden { display: none; }

/* Service Buttons */
.svc-btn {
    background: #222;
    color: white;
    border: 1px solid var(--purple);
    padding: 10px 20px;
    margin: 5px;
    border-radius: 20px;
    cursor: pointer;
}

.svc-btn.active { background: var(--purple); }

/* Menu Layout */
.app-layout {
    display: grid;
    grid-template-columns: 150px 1fr 300px;
    height: 100vh;
}

.sidebar { background: #080808; border-right: 1px solid #222; padding: 10px; }
.nav-item { 
    display: block; width: 100%; padding: 15px; margin-bottom: 10px;
    background: #111; color: white; border: 1px solid #333; cursor: pointer;
}

.item-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    padding: 20px;
}

.item-card {
    background: var(--card);
    border: 1px solid #333;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
}

.item-card:hover { border-color: var(--purple); }

.gold-id { color: gold; font-size: 12px; }

.receipt-panel { background: #050505; border-left: 1px solid #222; padding: 15px; }

.receipt-row { display: flex; justify-content: space-between; margin-bottom: 5px; font-size: 14px; }