/* POS SaaS - Main Styles */

:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #f8fafc;
    --text-color: #1e293b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --header-height: 53px;
    --safe-top: env(safe-area-inset-top, 0px);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

button, .numpad-btn, .article-item, .article-group, .table-item {
    touch-action: manipulation;
    -webkit-touch-callout: none;
    user-select: none;
}

html, body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    overscroll-behavior: none;
    background-color: white;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}