/* POS Custom Styles */
:root {
    --pos-bg-body: #f8f9fa;
    --pos-bg-surface: #ffffff;
    --pos-border-color: #f0f0f0;
}

[data-bs-theme="dark"] {
    --pos-bg-body: #212529;
    --pos-bg-surface: #2b3035;
    --pos-border-color: #495057;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    background-color: var(--pos-bg-body);
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    display: flex;
    flex-direction: column;
}

/* Left Panel - Register */
#register-tabs .nav-link {
    color: var(--bs-secondary-color);
    font-weight: 600;
    border: 1px solid transparent;
}

#register-tabs .nav-link.active {
    background-color: #0d6efd;
    color: white;
    box-shadow: 0 2px 5px rgba(13, 110, 253, 0.3);
}

#register-tabs .nav-link:hover:not(.active) {
    background-color: var(--bs-tertiary-bg);
}

/* Library Grid */
.item-tile {
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.1s;
    height: 120px;
    border: none;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.item-tile:active {
    transform: scale(0.96);
}

.item-tile .card-body {
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.item-tile h6 {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    text-align: center;
}

.item-tile span {
    font-weight: 500;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Keypad */
.keypad-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    width: 100%;
    max-width: 400px;
}

.keypad-grid button {
    height: 70px;
    font-size: 1.5rem;
    font-weight: 600;
    border-radius: 10px;
    border-width: 2px;
}

.keypad-grid button:active {
    background-color: #e9ecef;
    transform: translateY(2px);
}

/* Right Panel - Cart */
#cart-items-container {
    background-color: var(--pos-bg-surface);
}

.cart-item {
    border-bottom: 1px solid var(--pos-border-color);
    padding: 12px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: slideIn 0.2s ease-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(10px); }
    to { opacity: 1; transform: translateX(0); }
}

.cart-item-name {
    font-weight: 600;
    color: var(--bs-body-color);
    margin-bottom: 2px;
}

.cart-item-price {
    font-weight: 700;
    color: var(--bs-body-color);
}

.cart-item-remove {
    color: #dc3545;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.2s;
    padding: 5px;
}

.cart-item-remove:hover {
    opacity: 1;
}

/* Payment Modal */
#payment-status-area {
    min-height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.fa-fade {
    animation: fade 1.5s infinite;
}

@keyframes fade {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Device Controls Accordion */
.accordion-button:not(.collapsed) {
    color: var(--bs-primary);
    background-color: var(--bs-primary-bg-subtle);
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--bs-border-color);
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1; 
}
 
::-webkit-scrollbar-thumb {
    background: #ccc; 
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #aaa; 
}