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

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --text-tertiary: #6e7681;
    --accent-green: #3fb950;
    --accent-yellow: #d29922;
    --accent-orange: #db6d28;
    --accent-blue: #58a6ff;
    --accent-purple: #a371f7;
    --border-color: #30363d;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

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

header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Stats Bar */
.stats-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.stat {
    flex: 1;
    min-width: 120px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
}

.stat.highlight {
    background: linear-gradient(135deg, rgba(63, 185, 80, 0.2), rgba(63, 185, 80, 0.05));
    border-color: var(--accent-green);
}

.stat-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat.highlight .stat-value {
    color: var(--accent-green);
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.25rem;
}

/* Controls */
.controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.filter-group select {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
}

.filter-group select:hover {
    border-color: var(--accent-blue);
}

.btn-refresh {
    margin-left: auto;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.btn-refresh:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

.btn-refresh .icon {
    font-size: 1rem;
}

/* Loading */
.loading {
    text-align: center;
    padding: 3rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: spin 1s linear infinite;
}

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

.loading p {
    color: var(--text-secondary);
}

/* Ships List */
.ships-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ship-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    transition: all 0.2s;
}

.ship-card:hover {
    border-color: var(--accent-blue);
    box-shadow: var(--shadow);
}

.ship-card.almost-there {
    border-left: 4px solid var(--accent-yellow);
}

.ship-card.almost-there:hover {
    border-left-color: var(--accent-yellow);
}

.ship-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.ship-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.ship-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.attestation-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.attestation-badge.almost {
    background: rgba(210, 153, 34, 0.2);
    color: var(--accent-yellow);
}

.attestation-badge.halfway {
    background: rgba(219, 109, 40, 0.2);
    color: var(--accent-orange);
}

.attestation-badge.new {
    background: rgba(139, 148, 158, 0.2);
    color: var(--text-secondary);
}

.attestation-dots {
    display: flex;
    gap: 4px;
}

.attestation-dots .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-color);
}

.attestation-dots .dot.filled {
    background: currentColor;
}

.ship-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ship-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.reward-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--accent-green);
}

.reward-info .icon {
    font-size: 1rem;
}

.ship-actions {
    display: flex;
    gap: 0.5rem;
}

.btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.btn-primary {
    background: var(--accent-green);
    border: none;
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: #4cc764;
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px dashed var(--border-color);
}

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--text-secondary);
}

/* Footer */
footer {
    text-align: center;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

footer a {
    color: var(--accent-blue);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 640px) {
    .container {
        padding: 1rem;
    }

    .stats-bar {
        flex-direction: column;
    }

    .stat {
        min-width: auto;
    }

    .controls {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-refresh {
        margin-left: 0;
        justify-content: center;
    }

    .ship-header {
        flex-direction: column;
        gap: 0.75rem;
    }

    .ship-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}