/* ============================================
   LocalNerd Pool — Modern Dark Theme
   ============================================ */

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #1a2332;
    --bg-card-hover: #1f2b3d;
    --bg-input: #0d1321;
    --text-primary: #e8eaf0;
    --text-secondary: #8892a4;
    --text-muted: #5a6478;
    --accent: #f7931a;
    --accent-glow: rgba(247, 147, 26, 0.15);
    --accent-secondary: #6366f1;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --border: #2a3441;
    --border-light: #1e293b;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(247, 147, 26, 0.08);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Particles Background */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0;
    animation: float-particle linear infinite;
}

@keyframes float-particle {
    0% { opacity: 0; transform: translateY(100vh) scale(0); }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { opacity: 0; transform: translateY(-10vh) scale(1); }
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 1000;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo {
    font-size: 1.5rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.brand-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    gap: 0.5rem;
}

.nav-link {
    padding: 0.5rem 1.25rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.nav-link.active {
    color: var(--accent);
    background: var(--accent-glow);
}

.stat-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: var(--bg-card);
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid var(--border);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Container */
.container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 1.5rem 2rem;
}

/* Pages */
.page {
    display: none;
    animation: fadeIn 0.4s ease;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Hero */
.hero {
    text-align: center;
    padding: 3rem 0;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.stratum-box {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-glow);
}

.stratum-label {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.stratum-url {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
}

.copy-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.3rem 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.8rem;
}

.copy-btn:hover {
    background: var(--accent-glow);
    border-color: var(--accent);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
    opacity: 0;
    transition: var(--transition);
}

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

.stat-card:hover::before {
    opacity: 1;
}

.stat-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Charts Section */
.charts-section {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1rem;
    margin: 2rem 0;
}

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

.chart-card h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

#hashrate-chart {
    width: 100%;
    height: 200px;
}

.top-miners-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.miner-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
}

.miner-address {
    font-size: 0.8rem;
    color: var(--accent);
    font-family: monospace;
}

.miner-hashrate {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Info Section */
.info-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 2rem 0;
}

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

.info-card h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
}

.steps {
    list-style: none;
    counter-reset: step;
}

.steps li {
    counter-increment: step;
    padding: 0.5rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 1.5rem;
    height: 1.5rem;
    background: var(--accent-glow);
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid var(--accent);
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.75rem;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
}

.info-item span {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.info-item strong {
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* Workers Page */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.page-header h2 {
    font-size: 1.5rem;
}

.search-box input {
    padding: 0.6rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    width: 320px;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.workers-table-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    overflow: hidden;
}

.workers-table {
    width: 100%;
    border-collapse: collapse;
}

.workers-table th {
    padding: 1rem;
    text-align: left;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: var(--bg-input);
    border-bottom: 1px solid var(--border);
}

.workers-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.9rem;
}

.workers-table tr:hover td {
    background: var(--bg-card-hover);
}

.workers-table .address-cell {
    font-family: monospace;
    color: var(--accent);
    cursor: pointer;
}

.workers-table .address-cell:hover {
    text-decoration: underline;
}

.status-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-badge.active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge.idle {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Worker Detail */
.worker-detail {
    margin-top: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-glow);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.worker-detail.hidden {
    display: none;
}

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

.detail-header h3 {
    font-size: 0.9rem;
    color: var(--accent);
    font-family: monospace;
    word-break: break-all;
}

.close-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.close-btn:hover {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

.detail-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.detail-stat {
    padding: 0.75rem;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    text-align: center;
}

.detail-stat span {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.detail-stat strong {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.detail-workers {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 0.75rem;
}

.worker-chip {
    padding: 0.75rem;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
}

.worker-chip-name {
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

.worker-chip-hr {
    font-size: 0.8rem;
    color: var(--accent);
}

/* Loading */
.loading-row {
    text-align: center;
}

.loader {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 0.5rem;
}

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

/* Footer */
.footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--border-light);
    margin-top: 3rem;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-separator {
    color: var(--border);
}

/* Responsive */
@media (max-width: 768px) {
    .navbar { padding: 0 1rem; }
    .nav-links { display: none; }
    .hero h1 { font-size: 2rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .charts-section { grid-template-columns: 1fr; }
    .info-section { grid-template-columns: 1fr; }
    .detail-stats { grid-template-columns: repeat(2, 1fr); }
    .stratum-box { flex-direction: column; gap: 0.5rem; }
    .search-box input { width: 100%; }
    .page-header { flex-direction: column; gap: 1rem; align-items: flex-start; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .detail-stats { grid-template-columns: 1fr; }
}