/* App-like Single Screen Styles */
:root {
    --primary: #ffc107;
    --primary-dark: #ffb300;
    --text: #2c2c2c;
    --bg: #f8f9fa;
    --white: #ffffff;
    --green: #25d366;
    --gray: #e9ecef;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg);
    margin: 0;
    padding-bottom: 90px;
    /* Space for sticky footer */
    color: var(--text);
}

.app-container {
    max-width: 600px;
    /* Mobile focused width */
    margin: 0 auto;
    background-color: var(--white);
    min-height: 100vh;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.05);
}

/* Header */
.app-header {
    background-color: var(--primary);
    padding: 20px;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.header-content h1 {
    margin: 0;
    font-size: 1.8rem;
    color: #000;
}

.header-content p {
    margin: 5px 0 15px;
    font-weight: 500;
    opacity: 0.8;
}

.info-badge {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.info-badge span {
    background: rgba(0, 0, 0, 0.1);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #000;
}

.phone-link,
.location-link {
    background: rgba(255, 255, 255, 0.2);
    color: #000;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: background 0.2s;
    margin: 5px;
    display: inline-block;
}

.phone-link:hover,
.location-link:hover {
    background: rgba(255, 255, 255, 0.4);
}

/* Order Interface */
.order-interface {
    padding: 20px;
}

.page-title {
    font-size: 1.2rem;
    margin-bottom: 20px;
    border-left: 5px solid var(--primary);
    padding-left: 10px;
}

.product-item {
    display: flex;
    align-items: center;
    background: var(--white);
    border: 1px solid var(--gray);
    border-radius: 12px;
    padding: 10px;
    margin-bottom: 15px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.product-item:focus-within {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.2);
}

.product-thumb {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 8px;
    background-color: #eee;
}

.product-details {
    flex: 1;
    padding: 0 15px;
}

.product-details h3 {
    margin: 0 0 5px;
    font-size: 1rem;
}

.product-price {
    font-weight: 700;
    color: #555;
    font-size: 0.9rem;
}

.quantity-control {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.qty-input-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.qty-input {
    min-width: 80px;
    /* Accommodate 3+ digits */
    width: auto;
    padding: 10px;
    text-align: center;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
    font-weight: 600;
    font-size: 1.1rem;
    background: #fdfdfd;
}

.qty-input:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
}

.min-qty-label {
    font-size: 0.7rem;
    color: #888;
}

/* Notes */
.notes-section {
    margin-top: 30px;
}

.notes-section label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

.notes-section textarea {
    width: 100%;
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 12px;
    font-family: inherit;
    resize: none;
}

/* Bottom Bar */
.bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 15px 20px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    max-width: 600px;
    margin: 0 auto;
    /* Keep centered on desktop */
}

.total-area {
    display: flex;
    flex-direction: column;
}

.total-area span:first-child {
    font-size: 0.8rem;
    color: #666;
}

.total-area #grand-total {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
}

.action-btn {
    background-color: var(--green);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    transition: transform 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.action-btn:active {
    transform: scale(0.96);
}

@media (min-width: 601px) {
    body {
        padding-top: 20px;
    }

    .app-container {
        border-radius: 20px;
        overflow: hidden;
    }

    .bottom-bar {
        border-bottom-left-radius: 20px;
        border-bottom-right-radius: 20px;
    }
}