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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f8f6f1;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.02) 2px, rgba(0,0,0,0.02) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(0,0,0,0.02) 2px, rgba(0,0,0,0.02) 4px);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.food-icons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.food-btn {
    font-size: 32px;
    background: none;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    padding: 8px;
    transition: all 0.2s;
}

.food-btn:hover {
    background: #f0f0f0;
    transform: scale(1.1);
}

.food-btn:active {
    transform: scale(0.95);
}

.clock-btn {
    font-size: 32px;
    background: none;
    border: 2px solid #ddd;
    border-radius: 50%;
    cursor: pointer;
    padding: 10px;
    transition: all 0.2s;
}

.clock-btn:hover {
    background: #f0f0f0;
    transform: rotate(15deg) scale(1.1);
}

/* Box Rows */
.rows-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.box-row {
    display: flex;
    gap: 20px;
    position: relative;
    align-items: stretch;
}

.box-wrapper {
    flex: 1;
    min-width: 200px;
    position: relative;
    cursor: pointer;
    transition: transform 0.2s;
}

.box-wrapper:hover {
    transform: translateY(-2px);
}

.box-wrapper.active {
    transform: translateY(-4px);
}

.box-wrapper.active .box-canvas {
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.2));
}

.box-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.box-content {
    position: relative;
    padding: 20px;
    min-height: 300px;
    background: #fefdfb;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 1px, rgba(210,180,140,0.03) 1px, rgba(210,180,140,0.03) 2px),
        repeating-linear-gradient(90deg, transparent, transparent 1px, rgba(210,180,140,0.03) 1px, rgba(210,180,140,0.03) 2px);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.box-label {
    font-weight: bold;
    font-size: 18px;
    color: #333;
    padding: 5px;
    border-radius: 4px;
    text-align: center;
    margin-bottom: 5px;
}

.box-label:focus {
    outline: 2px solid #4CAF50;
    background: white;
}

.box-label[contenteditable="true"] {
    cursor: text;
}

.food-area {
    flex: 1;
    min-height: 120px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-content: flex-start;
    padding: 10px;
    border-radius: 4px;
    background: rgba(255,255,255,0.3);
}

.food-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 24px;
    padding: 4px 8px;
    background: white;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    user-select: none;
}

.food-item.deleting {
    background: #ffebee;
    animation: shake 0.3s;
}

.food-item .timestamp {
    font-size: 10px;
    color: #666;
    font-weight: normal;
}

.weight-badge {
    background: #e3f2fd;
    border: 1px solid #90caf9;
}

.weight-badge .weight-text {
    font-size: 14px;
    color: #1976d2;
    font-weight: 600;
}

.note-badge {
    background: #fff3e0;
    border: 1px solid #ffb74d;
    cursor: help;
}

.note-badge .note-icon {
    font-size: 20px;
}

.weight-area {
    border-top: 1px dashed #ccc;
    padding-top: 10px;
}

.weight-input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    background: white;
}

.weight-input:focus {
    outline: 2px solid #4CAF50;
}

.weight-timestamp {
    font-size: 11px;
    color: #666;
    margin-top: 5px;
    font-style: italic;
}

/* Add buttons */
.add-box-btn {
    position: absolute;
    right: -40px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px dashed #999;
    background: white;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.add-box-btn:hover {
    background: #4CAF50;
    color: white;
    border-color: #4CAF50;
    transform: translateY(-50%) scale(1.1);
}

.add-row-btn {
    margin: 20px auto;
    display: block;
    padding: 12px 30px;
    border: 2px dashed #999;
    background: white;
    font-size: 16px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
}

.add-row-btn:hover {
    background: #4CAF50;
    color: white;
    border-color: #4CAF50;
    transform: scale(1.05);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Responsive */
@media (max-width: 1024px) {
    .box-row {
        flex-wrap: wrap;
    }
    
    .box-wrapper {
        min-width: calc(50% - 10px);
    }
    
    .add-box-btn {
        position: static;
        transform: none;
        margin-left: auto;
    }
}

@media (max-width: 640px) {
    .box-wrapper {
        min-width: 100%;
    }
    
    .food-icons {
        justify-content: center;
    }
}