body {
    font-family: 'Courier New', monospace;
    background-color: #1a1a1a;
    color: #00ff00;
    padding: 20px;
    line-height: 1.6;
}

.game-container {
    max-width: 1600px;
    margin: 0 auto;
    background-color: #2a2a2a;
    padding: 20px;
    border-radius: 10px;
    border: 2px solid #00ff00;
}

.header-controls {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 15px;
    margin-bottom: 30px;
    align-items: center;
}

/* on mobile */
@media (max-width: 768px) {
    .header-controls {
        grid-template-columns: 1fr;
    }
}

.control-group {
    background-color: #333;
    padding: 15px;
    border-radius: 5px;
    border: 1px solid #00ff00;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.control-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    color: #ffff00;
}

.control-group input,
.control-group select {
    width: 90%;
    padding: 8px;
    background-color: #555;
    color: #00ff00;
    border: 1px solid #777;
    border-radius: 3px;
    font-family: inherit;
}

.control-group input:focus,
.control-group select:focus {
    outline: none;
    border-color: #00ff00;
    box-shadow: 0 0 5px rgba(0, 255, 0, 0.3);
}

.main-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 20px;
}

.game-section {
    width: 100%;
}

.game-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 1024px) {
    .main-layout {
        grid-template-columns: 1fr;
    }

    .game-layout {
        grid-template-columns: 1fr;
    }
}

.grid-container {
    position: relative;
}

.grid {
    display: grid;
    grid-template-columns: repeat(6, 60px);
    grid-template-rows: repeat(5, 60px);
    gap: 3px;
    margin: 20px 0;
    justify-content: center;
    position: relative;
}

.cell {
    width: 60px;
    height: 60px;
    border: 2px solid #444;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    background-color: #333;
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
}

/* on mmobile */
@media (max-width: 768px) {
    .grid {
        grid-template-columns: repeat(6, 30px);
        grid-template-rows: repeat(5, 30px);
    }

    .cell {
        width: 20px;
        height: 20px;
        font-size: 14px;
    }
}

.cell:hover {
    border-color: #00ff00;
    transform: scale(1.05);
}

.worker {
    background-color: #ff6b6b !important;
    border-color: #ff0000 !important;
    box-shadow: 0 0 15px rgba(255, 107, 107, 0.8);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 15px rgba(255, 107, 107, 0.8);
    }

    50% {
        box-shadow: 0 0 25px rgba(255, 107, 107, 1);
    }

    100% {
        box-shadow: 0 0 15px rgba(255, 107, 107, 0.8);
    }
}

.shelf {
    background-color: #4ecdc4 !important;
    border-color: #4ecdc4 !important;
}

.start {
    background-color: #ffe66d !important;
    color: #000;
    border-color: #ffcc00 !important;
}

.path-step {
    background-color: rgba(255, 255, 0, 0.5) !important;
    border-color: #ffff00 !important;
    box-shadow: 0 0 10px rgba(255, 255, 0, 0.7);
}

.path-step-previous {
    background-color: rgba(255, 165, 0, 0.3) !important;
    border-color: #ffaa00 !important;
}

.trip-indicator {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: #ff00ff;
    color: white;
    font-size: 10px;
    padding: 3px 6px;
    border-radius: 50%;
    font-weight: bold;
    min-width: 16px;
    text-align: center;
}

.step-indicator {
    position: absolute;
    bottom: -8px;
    left: -8px;
    background-color: #00ffff;
    color: #000;
    font-size: 9px;
    padding: 2px 4px;
    border-radius: 3px;
    font-weight: bold;
}

button {
    background-color: #00ff00;
    color: #000;
    border: none;
    padding: 10px 20px;
    margin: 5px;
    cursor: pointer;
    border-radius: 5px;
    font-weight: bold;
    font-size: 12px;
    transition: all 0.2s ease;
}

button:hover {
    background-color: #00cc00;
    transform: translateY(-2px);
}

button:disabled {
    background-color: #666;
    cursor: not-allowed;
    transform: none;
}

.btn-generate {
    background-color: #ff6600;
    color: white;
}

.btn-generate:hover {
    background-color: #ff4400;
}

.btn-reset {
    background-color: #ff3366;
    color: white;
}

.btn-reset:hover {
    background-color: #ff1144;
}

.btn-step {
    background-color: #9966ff;
    color: white;
}

.btn-step:hover {
    background-color: #7744dd;
}

.stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin: 20px 0;
    width: 100%;
}

.stat-item {
    padding: 12px;
    background-color: #333;
    border-radius: 5px;
    border: 1px solid #00ff00;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-item:hover {
    background-color: #444;
    transform: scale(1.02);
}

/* on mobile */
@media (max-width: 768px) {
    .stats {
        grid-template-columns: 1fr;
    }

    .stat-item {
        margin-bottom: 10px;
    }
}

.worker-info {
    background-color: #444;
    padding: 15px;
    border-radius: 5px;
    margin: 10px 0;
    border: 2px solid #ff6b6b;
}

.worker-items {
    background-color: #555;
    padding: 10px;
    border-radius: 5px;
    margin: 8px 0;
    max-height: 150px;
    overflow-y: auto;
}

.worker-item {
    background-color: #666;
    padding: 5px 10px;
    margin: 3px;
    border-radius: 3px;
    display: inline-block;
    font-size: 11px;
    border-left: 3px solid #00ff00;
}

.trolley-display {
    background-color: #444;
    padding: 15px;
    border-radius: 5px;
    margin: 10px 0;
}

.trolley-item {
    background-color: #555;
    padding: 5px 10px;
    margin: 5px;
    border-radius: 3px;
    display: inline-block;
    font-size: 12px;
}

.remaining-items {
    background-color: #333;
    padding: 15px;
    border-radius: 5px;
    margin: 10px 0;
    max-height: 200px;
    overflow-y: auto;
}

.side-panel {
    width: 100%;
}

.step-controls {
    background-color: #333;
    padding: 15px;
    border-radius: 5px;
    margin: 10px 0;
    border: 2px solid #9966ff;
}

.step-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 10px 0;
}

/* on mobile */
@media (max-width: 768px) {
    .step-nav {
        flex-direction: column;
        align-items: center;
    }

    .step-nav button {
        width: 100%;
        margin: 5px 0;
    }
}

.step-info {
    text-align: center;
    padding: 10px;
    background-color: #444;
    border-radius: 5px;
    margin: 5px 0;
}

.log {
    background-color: #000;
    color: #00ff00;
    padding: 15px;
    border-radius: 5px;
    height: 300px;
    overflow-y: scroll;
    font-size: 11px;
}

.controls {
    text-align: center;
    margin: 20px 0;
}

.data-preview {
    background-color: #222;
    padding: 10px;
    border-radius: 5px;
    margin: 10px 0;
    max-height: 150px;
    overflow-y: auto;
    font-size: 11px;
}

.preview-section {
    margin: 5px 0;
}

.preview-item {
    color: #aaa;
    margin: 2px 0;
}

.alert {
    background-color: #664400;
    color: #ffaa00;
    padding: 10px;
    border-radius: 5px;
    margin: 10px 0;
    border: 1px solid #ffaa00;
}

.user-info {
    position: fixed;
    top: 10px;
    right: 10px;
    background: #333;
    padding: 10px;
    border-radius: 5px;
    font-size: 12px;
    border: 1px solid #00ff00;
    z-index: 1000;
}

.path-line {
    position: absolute;
    background-color: rgba(255, 255, 0, 0.6);
    z-index: 1;
    pointer-events: none;
}