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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    background: gray;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

header {
    background: #4CAF50;
    color: white;
    padding: 2rem;
    text-align: center;
}

header h1 {
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.goal-section {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.goal-section input {
    padding: 10px;
    border: none;
    border-radius: 8px;
    width: 120px;
    font-size: 1.1rem;
}

.goal-section button {
    padding: 10px 20px;
    background: white;
    color: #4CAF50;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
}

.summary {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 2rem;
    background: #f8f9fa;
}

.card {
    text-align: center;
    background: white;
    padding: 1.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    min-width: 160px;
}

.card h3 {
    color: #666;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.card p {
    font-size: 2.5rem;
    font-weight: bold;
    color: #4CAF50;
}

.log-meal {
    padding: 2rem;
    border-bottom: 1px solid #eee;
}

.form-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.form-group input {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    flex: 1;
    min-width: 180px;
}

.form-group button {
    padding: 12px 24px;
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
}

.history {
    padding: 2rem;
}

.history h2 {
    margin-bottom: 1rem;
    color: #333;
}

#food-list {
    list-style: none;
}

#food-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: #f8f9fa;
    margin-bottom: 8px;
    border-radius: 8px;
    border-left: 4px solid #4CAF50;
}

#food-list li button {
    background: #ff4757;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
}

.clear-btn {
    margin: 2rem auto;
    display: block;
    padding: 12px 30px;
    background: #ff4757;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
}

.clear-btn:hover {
    background: #ff3742;
}