:root {
    --bg: #0a0e1a;
    --bg-2: #111827;
    --bg-card: rgba(17, 24, 39, 0.8);
    --border: rgba(99, 102, 241, 0.2);
    --border-2: rgba(99, 102, 241, 0.35);
    --text: #e5e7eb;
    --text-dim: #9ca3af;
    --text-muted: #6b7280;
    --primary: #6366f1;
    --primary-hover: #818cf8;
    --blue: #3b82f6;
    --green: #10b981;
    --orange: #f59e0b;
    --red: #ef4444;
    --purple: #8b5cf6;
    --glass-bg: rgba(15, 23, 42, 0.7);
    --grad: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --grad-btn: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 16px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Noto Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
    font-size: 1.1rem;
}

.brand-logo {
    width: 32px;
    height: 32px;
}

.brand-name {
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
}

.nav-links a {
    padding: 0.5rem 1rem;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--r-sm);
    transition: all 0.2s;
}

.nav-links a:hover {
    color: var(--text);
    background: rgba(99, 102, 241, 0.1);
}

.nav-links a.active {
    color: #fff;
    background: rgba(99, 102, 241, 0.15);
}

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

.nav-discord-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.45rem 0.7rem;
    border-radius: var(--r-sm);
    text-decoration: none;
    color: #5865F2;
    background: rgba(88, 101, 242, 0.12);
    border: 1px solid rgba(88, 101, 242, 0.35);
    transition: all 0.25s;
}

.nav-discord-link:hover {
    background: rgba(88, 101, 242, 0.22);
    border-color: #5865F2;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(88, 101, 242, 0.3);
}

.nav-discord-icon {
    width: 20px;
    height: 20px;
    display: block;
}

.lang-selector {
    background: rgba(15, 23, 42, 0.7);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 0.45rem 0.7rem;
    border-radius: var(--r-sm);
    font-size: 0.85rem;
    cursor: pointer;
    font-weight: 600;
    backdrop-filter: blur(8px);
}

.lang-selector:focus {
    outline: none;
    border-color: var(--blue);
}

.nav-dropdown {
    position: relative;
    display: none;
    margin-left: auto;
}

.nav-menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.45rem 0.7rem;
    border-radius: var(--r-sm);
    background: rgba(96, 165, 250, 0.12);
    border: 1px solid rgba(96, 165, 250, 0.35);
    color: var(--text);
    cursor: pointer;
    transition: all 0.25s;
    height: 36px;
}

.nav-menu-btn:hover {
    background: rgba(96, 165, 250, 0.22);
    border-color: var(--blue);
}

.menu-icon {
    width: 18px;
    height: 18px;
    display: block;
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 200px;
    list-style: none;
    margin: 0;
    padding: 0.4rem;
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid var(--border-2);
    border-radius: var(--r-md);
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    z-index: 200;
}

.nav-dropdown.open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-menu li {
    margin: 0;
}

.nav-dropdown-menu a {
    display: block;
    padding: 0.6rem 0.9rem;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    border-radius: var(--r-sm);
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-dropdown-menu a:hover {
    color: #fff;
    background: rgba(99, 102, 241, 0.15);
}

.main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.search-section {
    margin-bottom: 2rem;
}

.search-container {
    display: flex;
    gap: 0.75rem;
    max-width: 800px;
    margin: 0 auto;
}

.search-input {
    flex: 1;
    padding: 0.85rem 1.2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    color: var(--text);
    font-size: 1rem;
    outline: none;
    transition: all 0.2s;
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

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

.search-btn {
    padding: 0.85rem 2rem;
    background: var(--grad-btn);
    color: #fff;
    border: none;
    border-radius: var(--r-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.35);
}

.stats-section {
    margin-bottom: 2.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 1.5rem;
    transition: all 0.25s;
}

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

.stat-label {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

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

.section-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #fff;
}

.btn-refresh {
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border: 1px solid var(--border-2);
    border-radius: var(--r-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-refresh:hover {
    background: rgba(99, 102, 241, 0.2);
}

.blocks-section,
.mempool-section {
    margin-bottom: 2.5rem;
}

.table-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    overflow: hidden;
}

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

.data-table thead {
    background: rgba(99, 102, 241, 0.08);
    border-bottom: 1px solid var(--border);
}

.data-table th {
    padding: 0.85rem 1rem;
    text-align: left;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid rgba(99, 102, 241, 0.08);
    font-size: 0.9rem;
}

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

.data-table tbody tr:hover {
    background: rgba(99, 102, 241, 0.05);
}

.data-table .loading {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
}

.data-table .hash {
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 0.8rem;
    color: var(--blue);
    cursor: pointer;
    text-decoration: none;
}

.data-table .hash:hover {
    text-decoration: underline;
}

.data-table .mono {
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

.detail-view {
    animation: fadeIn 0.3s ease;
}

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

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

.btn-back {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.5rem 0;
    margin-bottom: 1.5rem;
    transition: color 0.2s;
}

.btn-back:hover {
    color: var(--primary-hover);
}

.detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.detail-card h2 {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    color: #fff;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

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

.detail-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(99, 102, 241, 0.06);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-value {
    font-size: 0.95rem;
    color: var(--text);
    word-break: break-all;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

.tx-section {
    margin-bottom: 1.5rem;
}

.tx-section h3 {
    font-size: 1rem;
    color: var(--text-dim);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.tx-inputs, .tx-outputs {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.tx-io {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: rgba(99, 102, 241, 0.04);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--r-sm);
    font-size: 0.85rem;
}

.tx-io .addr {
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    color: var(--blue);
    text-decoration: none;
    cursor: pointer;
}

.tx-io .addr:hover {
    text-decoration: underline;
}

.tx-io .amount {
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-weight: 600;
    color: var(--green);
}

.tx-arrow {
    text-align: center;
    padding: 0.5rem;
    color: var(--text-muted);
    font-size: 1.2rem;
}

.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    margin-top: 3rem;
}

@media (max-width: 900px) {
    .nav-links {
        display: none;
    }
    .nav-dropdown {
        display: block;
    }
}

@media (max-width: 768px) {
    .nav-inner {
        padding: 0 1rem;
        gap: 1rem;
    }

    .main {
        padding: 1rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .data-table thead {
        display: none;
    }

    .data-table,
    .data-table tbody,
    .data-table tr,
    .data-table td,
    .data-table th {
        display: block;
        width: 100%;
    }

    .data-table tr {
        margin-bottom: 0.8rem;
        border: 1px solid var(--border-2);
        border-radius: var(--r-md);
        padding: 0.5rem;
        background: var(--bg-card);
    }

    .data-table td {
        display: flex;
        flex-direction: column;
        padding: 0.4rem 0.6rem;
        border: none;
        font-size: 0.85rem;
    }

    .data-table td::before {
        content: attr(data-label);
        font-weight: 700;
        font-size: 0.7rem;
        color: var(--blue);
        text-transform: uppercase;
        letter-spacing: 0.05em;
        margin-bottom: 0.15rem;
        opacity: 0.85;
    }

    .data-table td:first-child {
        font-weight: 700;
        color: #fff;
        font-size: 0.95rem;
        padding-bottom: 0.2rem;
        border-bottom: 1px solid var(--border);
        margin-bottom: 0.3rem;
    }

    .data-table td:first-child::before {
        display: none;
    }

    .table-wrap {
        overflow: visible;
    }

    .block-nav {
        flex-direction: column;
        gap: 0.5rem;
    }

    .block-nav h2 {
        font-size: 1.1rem;
    }
}

.btn {
    padding: 0.6rem 1.2rem;
    background: rgba(99, 102, 241, 0.12);
    color: var(--primary-hover);
    border: 1px solid var(--border-2);
    border-radius: var(--r-sm);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
    font-family: inherit;
}

.btn:hover:not(:disabled) {
    background: rgba(99, 102, 241, 0.25);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.4;
}

.mono {
    font-family: 'SF Mono', 'Monaco', 'Consolas', 'Liberation Mono', monospace;
}

.tx-inputs .tx-io,
.tx-outputs .tx-io {
    transition: background 0.2s;
}

.tx-inputs .tx-io:hover,
.tx-outputs .tx-io:hover {
    background: rgba(99, 102, 241, 0.05);
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.modal.hidden {
    display: none;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-container {
    position: relative;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    width: 90%;
    max-width: 900px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.3s ease;
}

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

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.modal-back {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    border-radius: var(--r-sm);
    transition: all 0.2s;
}

.modal-back:hover {
    background: rgba(99, 102, 241, 0.1);
}

.modal-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    flex: 1;
    text-align: center;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.25rem 0.75rem;
    border-radius: var(--r-sm);
    transition: all 0.2s;
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--red);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.modal-body .detail-card {
    background: var(--bg-card);
}

.broadcast-textarea {
    width: 100%;
    min-height: 150px;
    padding: 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    color: var(--text);
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 0.85rem;
    resize: vertical;
    line-height: 1.6;
}

.broadcast-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.broadcast-textarea::placeholder {
    color: var(--text-muted);
}