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

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-color: #10b981;
    --error-color: #ef4444;
    --bg-color: #0f172a;
    --card-bg: rgba(255, 255, 255, 0.05);
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

.background-gradient {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.15) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
    position: relative;
    z-index: 1;
}

.header {
    text-align: center;
    margin-bottom: 40px;
    animation: fadeInDown 0.6s ease-out;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.logo svg {
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.3));
}

.logo-image {
    max-width: 280px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 4px 12px rgba(102, 126, 234, 0.3));
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: 8px;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow);
    animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

.form-group {
    margin-bottom: 30px;
}

label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-size: 0.95rem;
}

input[type="password"] {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

input[type="password"]:focus {
    outline: none;
    border-color: #667eea;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.file-upload-wrapper {
    position: relative;
}

input[type="file"] {
    display: none;
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 0;
    font-weight: normal;
}

.file-upload-label:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: #667eea;
}

.file-upload-label.active {
    background: rgba(102, 126, 234, 0.1);
    border-color: #667eea;
}

#fileName {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

small {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 8px;
}

.btn-primary {
    width: 100%;
    padding: 16px 24px;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

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

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.loading-state {
    text-align: center;
    padding: 60px 40px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    margin-top: 30px;
    animation: fadeInUp 0.4s ease-out;
}

.spinner {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    border: 4px solid rgba(102, 126, 234, 0.1);
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.result-container {
    margin-top: 30px;
    animation: fadeInUp 0.5s ease-out;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.result-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.header-actions {
    display: flex;
    gap: 10px;
}

.json-result {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    overflow-x: auto;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    max-height: 600px;
    overflow-y: auto;
}

.json-result pre {
    margin: 0;
}

.json-key {
    color: #a78bfa;
    font-weight: 600;
}

.json-string {
    color: #34d399;
}

.json-number {
    color: #fbbf24;
}

.json-boolean {
    color: #60a5fa;
}

.json-null {
    color: #f87171;
}

.error-container {
    text-align: center;
    padding: 40px;
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid rgba(239, 68, 68, 0.3);
    border-radius: 20px;
    margin-top: 30px;
    animation: fadeInUp 0.4s ease-out;
}

.error-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.error-container h3 {
    color: #fca5a5;
    margin-bottom: 10px;
}

.error-container p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

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

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

@media (max-width: 600px) {
    .container {
        padding: 20px 15px;
    }
    
    .card {
        padding: 25px;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .logo {
        flex-direction: column;
        gap: 10px;
    }
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.5);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.7);
}

.structured-view {
    animation: fadeInUp 0.4s ease-out;
}

.exam-info {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 25px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.info-field {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.info-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.info-value {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.result-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
    animation: fadeInUp 0.4s ease-out;
}

.result-card:hover {
    transform: translateY(-2px);
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.result-card.attention {
    border-left: 4px solid #ef4444;
}

.result-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.result-value-container {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 12px;
}

.result-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    color: #10b981;
}

.result-value.attention {
    color: #ef4444 !important;
}

.result-unit {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.result-summary {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 15px;
}

.result-insight {
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
    padding: 10px 12px;
    border-radius: 8px;
    border-left: 3px solid rgba(102, 126, 234, 0.5);
    margin-bottom: 15px;
    line-height: 1.5;
}

.history-section {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.history-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.history-chart-container {
    width: 100%;
    height: 180px;
    margin-bottom: 15px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.history-table th {
    text-align: left;
    padding: 8px 10px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border-color);
}

.history-table td {
    padding: 8px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.history-table tr:last-child td {
    border-bottom: none;
}

.history-table tr:last-child {
    font-weight: 600;
    background: rgba(102, 126, 234, 0.1);
}

.history-table tr:last-child td {
    color: var(--text-primary);
}

.history-date {
    color: var(--text-secondary);
}

.history-value {
    color: var(--text-primary);
    font-weight: 500;
}

@media (max-width: 768px) {
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .exam-info {
        grid-template-columns: 1fr;
    }
}