:root {
    /* Cyber Dark Theme Colors */
    --bg-primary: #0a0a12;
    --bg-secondary: #151520;
    --bg-tertiary: #1e1e2a;
    --bg-accent: #252535;
    --border-primary: #2d2d3d;
    --border-secondary: #3a3a4a;
    --border-accent: #4a4a5a;
    --text-primary: #e0e0ff;
    --text-secondary: #a0a0c0;
    --text-accent: #80e6ff;
    --text-success: #80ffaa;
    --text-warning: #ffaa80;
    --text-danger: #ff8080;
    --accent-cyan: #00cccc;
    --accent-purple: #b380ff;
    --accent-pink: #ff80bf;
    --accent-orange: #ff8040;
    --accent-green: #40ff80;
    --accent-blue: #8080ff;
    --control-red: #ff5555;
    --control-yellow: #ffff55;
    --control-green: #55ff55;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'JetBrains Mono', monospace;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    line-height: 1.4;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.terminal-window {
    background: var(--bg-primary);
    border: 2px solid var(--border-primary);
    border-radius: 0;
    box-shadow: 0 0 40px rgba(128, 230, 255, 0.1);
    max-width: 1200px;
    width: 100%;
    overflow: hidden;
}

/* Terminal Header */
.terminal-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.window-controls {
    display: flex;
    gap: 8px;
}

.control-btn {
    width: 12px;
    height: 12px;
    border-radius: 0;
    border: 1px solid var(--border-secondary);
}

.control-btn.close {
    background: var(--control-red);
    border-color: var(--control-red);
}

.control-btn.minimize {
    background: var(--control-yellow);
    border-color: var(--control-yellow);
}

.control-btn.maximize {
    background: var(--control-green);
    border-color: var(--control-green);
}

.terminal-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.prompt-symbol {
    color: var(--accent-green);
    font-weight: bold;
}

.title-text {
    color: var(--text-accent);
    letter-spacing: 0.5px;
}

.cursor-blink {
    color: var(--accent-cyan);
    animation: blink 1s infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

/* Terminal Body */
.terminal-body {
    padding: 20px;
}

/* Status Bar */
.status-bar {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 0;
    padding: 8px 16px;
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-label {
    color: var(--text-secondary);
    font-size: 0.8em;
}

.status-value {
    color: var(--accent-cyan);
    font-weight: 600;
    font-size: 0.9em;
}

/* Main Grid */
.main-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

/* Products Panel */
.products-panel {
    background: var(--bg-accent);
    border: 1px solid var(--border-primary);
    border-radius: 0;
    overflow: hidden;
}

.panel-header {
    background: var(--bg-tertiary);
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-primary);
}

.header-title {
    color: var(--accent-purple);
    font-weight: 600;
    font-size: 0.9em;
    letter-spacing: 0.5px;
}

.header-stats {
    color: var(--text-secondary);
    font-size: 0.8em;
}

.products-grid {
    padding: 16px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    max-height: 500px;
    overflow-y: auto;
}

.product-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 0;
    padding: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.product-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(128, 128, 255, 0.2);
}

.product-name {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9em;
    margin-bottom: 8px;
}

.product-price {
    color: var(--accent-green);
    font-weight: 600;
    font-size: 1em;
    margin-bottom: 6px;
}

.product-category {
    color: var(--text-secondary);
    font-size: 0.8em;
    margin-bottom: 12px;
    background: var(--bg-primary);
    padding: 2px 6px;
    border-radius: 0;
    display: inline-block;
}

/* Cart Panel */
.cart-panel {
    background: var(--bg-accent);
    border: 1px solid var(--border-primary);
    border-radius: 0;
    overflow: hidden;
}

.cart-controls {
    display: flex;
    gap: 8px;
}

.cart-content {
    padding: 16px;
}

.cart-items {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 16px;
}

.empty-cart {
    color: var(--text-secondary);
    text-align: center;
    font-style: italic;
    padding: 40px 20px;
}

.cart-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 0;
    padding: 12px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.item-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.item-name {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.85em;
}

.item-quantity {
    color: var(--text-secondary);
    font-size: 0.8em;
}

.item-price {
    color: var(--accent-green);
    font-weight: 600;
    font-size: 0.9em;
}

.cart-summary {
    border-top: 1px solid var(--border-primary);
    padding-top: 16px;
    margin-bottom: 16px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.summary-item.total {
    border-top: 1px solid var(--border-primary);
    margin-top: 8px;
    padding-top: 12px;
    font-weight: 600;
}

.summary-label {
    color: var(--text-secondary);
    font-size: 0.9em;
}

.summary-value {
    color: var(--accent-green);
    font-weight: 600;
}

.cart-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Buttons */
.tui-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 0;
    padding: 8px 12px;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8em;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tui-btn:hover {
    transform: translateY(-1px);
    border-color: var(--border-accent);
}

.tui-btn.small {
    padding: 6px 10px;
    font-size: 0.75em;
}

.tui-btn.primary {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: var(--bg-primary);
    font-weight: 600;
}

.tui-btn.primary:hover {
    background: var(--text-accent);
    border-color: var(--text-accent);
}

.tui-btn.danger {
    background: var(--control-red);
    border-color: var(--control-red);
    color: var(--bg-primary);
    font-weight: 600;
}

.tui-btn.danger:hover {
    background: var(--text-danger);
    border-color: var(--text-danger);
}

.tui-btn.full-width {
    width: 100%;
    justify-content: center;
}

.btn-icon {
    font-size: 0.9em;
}

/* Info Panel */
.info-panel {
    background: var(--bg-accent);
    border: 1px solid var(--border-primary);
    border-radius: 0;
    overflow: hidden;
}

.info-grid {
    padding: 16px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-secondary);
}

.info-item:nth-last-child(-n+2) {
    border-bottom: none;
}

.info-label {
    color: var(--text-secondary);
    font-size: 0.8em;
}

.info-value {
    color: var(--accent-orange);
    font-weight: 600;
    font-size: 0.85em;
}

/* Terminal Footer */
.terminal-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
    padding: 10px 16px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    font-size: 0.8em;
    color: var(--text-secondary);
}

.footer-text {
    font-family: 'JetBrains Mono', monospace;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-secondary);
}

/* Responsive Design */
@media (max-width: 968px) {
    .main-grid {
        grid-template-columns: 1fr;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .terminal-body {
        padding: 15px;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 5px;
        align-items: center;
    }

    .panel-header {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }

    .status-bar {
        flex-direction: column;
        gap: 8px;
    }

    .cart-controls {
        width: 100%;
        justify-content: space-between;
    }
}

.item-actions {
    display: flex;
    gap: 4px;
    align-items: center;
    transform: translateY(6px);
}

.item-actions .tui-btn.small {
    padding: 4px 8px;
    min-width: 32px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75em;
    font-weight: 600;
}

/* Optional: Add quantity display between buttons */
.quantity-display {
    color: var(--text-primary);
    font-size: 0.8em;
    font-weight: 600;
    min-width: 20px;
    text-align: center;
    background: var(--bg-primary);
    padding: 2px 6px;
    border-radius: 2px;
    border: 1px solid var(--border-primary);
}