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

:root {
    --primary-color: #2563eb;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #f9fafb;
    --card-bg: #ffffff;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.input-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.input-group {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

label {
    display: block;
    margin-bottom: 0.75rem;
}

.label-text {
    font-weight: 600;
    font-size: 1rem;
    display: block;
    margin-bottom: 0.25rem;
}

.label-hint {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-family: inherit;
    resize: vertical;
    transition: border-color 0.2s;
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.char-count {
    text-align: right;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.analyze-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 300px;
    margin: 0 auto 3rem;
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.analyze-btn:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.analyze-btn:active {
    transform: translateY(0);
}

.analyze-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 0.5rem;
}

.analyze-btn.loading .loader {
    display: block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.hidden {
    display: none !important;
}

.results-section {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.score-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.score-circle {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 2rem auto;
}

.score-circle svg {
    transform: rotate(-90deg);
}

.score-bg {
    fill: none;
    stroke: var(--border-color);
    stroke-width: 12;
}

.score-fill {
    fill: none;
    stroke: var(--primary-color);
    stroke-width: 12;
    stroke-dasharray: 565.48;
    stroke-dashoffset: 565.48;
    transition: stroke-dashoffset 1.5s ease-out;
}

.score-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    font-weight: 700;
}

.score-message {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-top: 1rem;
}

.analysis-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.analysis-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.skills-match {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.matched-skills h4, .missing-skills h4 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.skill-tag.matched {
    background: #d1fae5;
    color: #065f46;
}

.skill-tag.missing {
    background: #fee2e2;
    color: #991b1b;
}

.experience-content {
    background: var(--bg-color);
    padding: 1rem;
    border-radius: 0.5rem;
}

.keywords-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.suggestions-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.suggestion-item {
    padding: 1rem;
    background: var(--bg-color);
    border-left: 4px solid var(--warning-color);
    border-radius: 0.375rem;
}

.suggestion-priority {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    background: var(--warning-color);
    color: white;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.suggestion-priority.high {
    background: var(--danger-color);
}

.suggestion-text {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.suggestion-tip {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .input-section {
        grid-template-columns: 1fr;
    }
    
    .skills-match {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 1rem;
    }
}