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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-card: #151515;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666;
    --border: #2a2a2a;
    --accent: #3b82f6;
    --error: #ef4444;
    --warning: #f59e0b;
    --info: #10b981;
    --success: #22c55e;
    --radius: 8px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

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

.app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stats {
    display: flex;
    gap: 2rem;
    font-family: 'Space Mono', monospace;
    font-size: 0.875rem;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.stat-value {
    font-weight: 700;
    font-size: 1.125rem;
}

.stat-label {
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.main-content {
    flex: 1;
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    gap: 2rem;
    padding: 2rem;
}

.sidebar {
    width: 300px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.filter-card, .upload-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.filter-card h3, .upload-card h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-group {
    margin-bottom: 1.5rem;
}

.filter-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-input, .select-input {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.2s;
}

.filter-input:focus, .select-input:focus {
    outline: none;
    border-color: var(--accent);
}

.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.upload-area:hover {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.05);
}

.upload-area.dragover {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.1);
    transform: scale(1.02);
}

.upload-icon {
    margin-bottom: 0.5rem;
}

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

.file-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.events-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.search-container {
    position: relative;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

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

.event-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.event-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.event-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.event-type {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.event-type.error {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.event-type.warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.event-type.information {
    background: rgba(16, 185, 129, 0.2);
    color: var(--info);
}

.event-type.success {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.event-time {
    font-family: 'Space Mono', monospace;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.event-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.event-detail {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.event-detail-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.event-detail-value {
    font-family: 'Space Mono', monospace;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.event-message {
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius);
    padding: 1rem;
    font-family: 'Space Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem;
    color: var(--text-muted);
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem;
    color: var(--text-muted);
    text-align: center;
}

.empty-state h3 {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
    }
    
    .sidebar {
        width: 100%;
    }
    
    .header {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .stats {
        gap: 1rem;
    }
    
    .event-details {
        grid-template-columns: 1fr;
    }
}