* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #2c3e50;
}

h2 {
    color: #3498db;
    margin-bottom: 15px;
}

.instructions {
    background-color: #e3f2fd;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 25px;
}

.chest-models {
    margin-bottom: 20px;
    text-align: center;
}

.chest-example {
    display: none;
}

#chest-reference {
    width: 100%;
    max-height: 300px;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.chest-svg {
    width: 100%;
    height: 150px;
}

.chest-path {
    fill: #f39c12;
    stroke: #e67e22;
    stroke-width: 2;
}

.chest-definition {
    fill: #e67e22;
    stroke: #d35400;
    stroke-width: 1.5;
}

.form-container {
    background-color: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

input, select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

button {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: background-color 0.3s;
    display: block;
    margin: 0 auto;
}

button:hover {
    background-color: #2980b9;
}

.results {
    background-color: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.hidden {
    display: none;
}

.results-content {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.selected-chest {
    flex: 1;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.training-plan {
    flex: 2;
    min-width: 300px;
}

#selected-chest-display {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 10px;
    min-height: 180px;
    border-radius: 8px;
    background-color: #f8f9fa;
    padding: 15px;
}

#selected-chest-display svg {
    width: 180px;
    height: 180px;
}

#training-frequency, #exercises-list, #estimated-time {
    margin: 15px 0;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 5px;
}

#exercises-list ul {
    list-style-position: inside;
    margin-top: 10px;
}

#reset-btn {
    margin-top: 20px;
    background-color: #e74c3c;
}

#reset-btn:hover {
    background-color: #c0392b;
}

@media (max-width: 768px) {
    .chest-example {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
}

@media (max-width: 480px) {
    
}