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

:root {
    --surface-lowest: #000000;
    --surface-low: #0a0a0a;
    --surface: #141414;
    --surface-high: #1f1f1f;
    --surface-highest: #262626;
    
    --primary: #9cff93;
    --primary-dim: #7de074;
    --primary-container: #00fc40;
    
    --tertiary: #a0fff0;
    --secondary: #bc87fe;
    --year-accent: #ff6b4a;
    
    --on-background: #ffffff;
    --on-background-secondary: #b3b3b3;
    --outline-variant: #484847;
    --segment-empty: #2a2a2a;
    
    --spacing-4: 0.25rem;
    --spacing-8: 0.5rem;
    --spacing-10: 0.625rem;
    --spacing-16: 1rem;
    --spacing-24: 1.5rem;
    --spacing-32: 2rem;
    --spacing-48: 3rem;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--surface-lowest);
    color: var(--on-background);
    min-height: 100vh;
    line-height: 1.5;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-48) var(--spacing-32);
}

.header {
    margin-bottom: var(--spacing-48);
}

.logo {
    font-family: 'Space Grotesk', monospace;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
    letter-spacing: 0.05em;
}

.time-display {
    text-align: right;
}

.current-time {
    font-family: 'Space Grotesk', monospace;
    font-size: 5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    letter-spacing: -0.02em;
}

.timezone {
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    color: var(--on-background-secondary);
    margin-top: var(--spacing-4);
    letter-spacing: 0.05em;
}

.main-content {
    margin-top: 0;
}

.datetime-section {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-48);
}

.date-display {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--on-background);
    margin-bottom: 0;
    letter-spacing: -0.01em;
}

.progress-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-48) var(--spacing-32);
    margin-bottom: var(--spacing-48);
}

.progress-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-16);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.progress-label-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.progress-label {
    font-family: 'Inter', sans-serif;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--on-background);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.progress-subtitle {
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    color: var(--on-background-secondary);
    font-weight: 400;
}

.progress-percentage {
    font-family: 'Space Grotesk', monospace;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.week-percentage {
    color: var(--tertiary);
}

.month-percentage {
    color: var(--secondary);
}

.year-percentage {
    color: var(--year-accent);
}

.progress-bar {
    width: 100%;
}

.progress-segments {
    display: flex;
    gap: 3px;
    width: 100%;
}

.segment {
    height: 12px;
    background-color: var(--segment-empty);
    flex: 1;
    border-radius: 0;
}

.segment.filled-day {
    background-color: var(--primary);
}

.segment.filled-week {
    background-color: var(--tertiary);
}

.segment.filled-month {
    background-color: var(--secondary);
}

.segment.filled-year {
    background-color: var(--year-accent);
}

.on-this-day {
    margin-top: var(--spacing-48);
    padding-top: var(--spacing-48);
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-24);
}

.clock-icon {
    color: var(--on-background-secondary);
}

.section-title {
    font-family: 'Inter', sans-serif;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--on-background);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.events-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-24);
}

.loading {
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    color: var(--on-background-secondary);
    padding: var(--spacing-24);
}

.event-card {
    background-color: var(--surface-high);
    padding: var(--spacing-24);
    border-left: 4px solid var(--primary);
    position: relative;
}

.event-year {
    font-family: 'Space Grotesk', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-8);
    line-height: 1;
}

.event-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--on-background);
    margin-bottom: var(--spacing-8);
    line-height: 1.3;
    text-decoration: none;
    display: inline-block;
    transition: color 0.2s ease;
}

a.event-title:hover {
    color: var(--primary);
}

.event-description {
    font-family: 'Inter', sans-serif;
    font-size: 0.9375rem;
    color: var(--on-background-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-16);
}

.event-source {
    font-family: 'Inter', sans-serif;
    font-size: 0.6875rem;
    color: var(--on-background-secondary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

@media (max-width: 1023px) {
    .container {
        padding: var(--spacing-32) var(--spacing-24);
    }
    
    .current-time {
        font-size: 4rem;
    }
    
    .date-display {
        font-size: 2rem;
    }
    
    .progress-grid {
        gap: var(--spacing-32) var(--spacing-24);
    }
    
    .progress-percentage {
        font-size: 2.5rem;
    }
}

@media (max-width: 767px) {
    .container {
        padding: var(--spacing-24) var(--spacing-16);
    }
    
    .header {
        margin-bottom: var(--spacing-32);
    }
    
    .datetime-section {
        flex-direction: column;
        gap: var(--spacing-24);
    }
    
    .time-display {
        text-align: left;
    }
    
    .current-time {
        font-size: 3.5rem;
    }
    
    .date-display {
        font-size: 1.5rem;
    }
    
    .progress-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-32);
    }
    
    .progress-percentage {
        font-size: 2rem;
    }
    
    .event-card {
        padding: var(--spacing-16);
    }
    
    .event-year {
        font-size: 1.5rem;
    }
    
    .event-title {
        font-size: 1.125rem;
    }
}