:root {
    --primary: #FF5722; /* Deep Orange */
    --primary-light: #FF8A65;
    --secondary: #4CAF50; /* Green */
    --accent: #2196F3; /* Blue */
    --background: #f5f5f5;
    --text-main: #333;
    --text-muted: #888;
    --card-bg: #fff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

/* ... (Previous Styles) ... */

h1, h2, h3 { margin: 0; font-weight: 600; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.align-center { align-items: center; }
.align-start { align-items: flex-start; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.bold { font-weight: bold; }
.text-muted { color: var(--text-muted); }
.text-xl { font-size: 1.25rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mt-2 { margin-top: 0.5rem; }
.p-2 { padding: 0.5rem; }
.w-full { width: 100%; }

.hidden { display: none !important; }

/* Buttons */
button {
    border: none;
    border-radius: 8px;
    padding: 10px 16px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.1s, opacity 0.2s;
}
button:active { transform: scale(0.96); }

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-secondary {
    background-color: #e0e0e0;
    color: #333;
}

/* Qty Buttons - Uniform Color */
.btn-qty {
    background-color: white;
    color: var(--primary);
    border: 2px solid var(--primary);
    width: 30px;
    height: 30px;
    padding: 0;
    line-height: 26px; /* align center manually */
    border-radius: 50%; /* circle looks nice */
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.btn-qty:active {
    background-color: var(--primary);
    color: white;
}

.btn-icon-action {
    background: transparent;
    font-size: 1.3rem;
    padding: 5px;
    border-radius: 50%;
}
.btn-icon-action:hover {
    background-color: rgba(0,0,0,0.05);
}


/* Inputs */
input[type="text"] {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    margin-bottom: 10px;
    box-sizing: border-box;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    overflow: hidden;
}

/* Nav Drawer */
.nav-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}
.nav-overlay.open { opacity: 1; pointer-events: auto; }

.nav-drawer {
    position: fixed;
    top: 0; right: 0; left: auto;
    width: 250px;
    height: 100%;
    background: white;
    z-index: 101;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    padding: 20px;
    display: flex;
    flex-direction: column;
    box-shadow: -2px 0 8px rgba(0,0,0,0.1);
}
.nav-drawer.open { transform: translateX(0); }

.nav-item {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 5px;
    color: var(--text-main);
    text-decoration: none;
    font-weight: bold;
}
.nav-item:hover, .nav-item:active {
    background-color: #f0f0f0;
}

/* Layouts */
.container {
    padding: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.shop-container {
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.auth-box {
    text-align: center;
    padding: 40px 20px;
}

/* Menu Grid */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100%, 1fr));
    gap: 15px;
}

/* Cart Modal */
.modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: white;
    z-index: 200;
    padding: 20px;
    box-sizing: border-box;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.hamburger-btn {
    font-size: 1.5rem;
    padding: 10px;
    background: none;
    color: var(--text-main);
}