:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --background-color: #f3f4f6;
    --text-color: #1f2937;
}

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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    padding: 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

.upload-section {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.drop-zone {
    border: 2px dashed #ccc;
    border-radius: 4px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.drop-zone.dragover {
    border-color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.1);
}

.job-description {
    margin-bottom: 2rem;
}

textarea {
    width: 100%;
    height: 150px;
    padding: 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    resize: vertical;
}

button {
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: var(--secondary-color);
}

.results-section {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: none;
}

.score-card {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.score-item {
    background: var(--background-color);
    padding: 1rem;
    border-radius: 4px;
    text-align: center;
}

.improvements {
    margin-bottom: 2rem;
}

.improvement-item {
    background: #f8fafc;
    padding: 1rem;
    border-left: 4px solid var(--primary-color);
    margin-bottom: 1rem;
}

.download-section {
    text-align: center;
    margin-top: 2rem;
}

.loading {
    display: none;
    text-align: center;
    margin: 2rem 0;
}

.loading-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}