/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #f7931a;
    --primary-dark: #e88a17;
    --bg-color: #0d1117;
    --bg-secondary: #161b22;
    --bg-card: #21262d;
    --text-color: #c9d1d9;
    --text-muted: #8b949e;
    --border-color: #30363d;
    --success-color: #3fb950;
    --danger-color: #f85149;
    --link-color: #58a6ff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--link-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 1.5rem;
}

header h1 a {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

header h1 a:hover {
    text-decoration: none;
    color: var(--primary-dark);
}

nav {
    display: flex;
    gap: 20px;
}

nav a {
    color: var(--text-color);
    padding: 8px 16px;
    border-radius: 6px;
    transition: background-color 0.2s;
}

nav a:hover,
nav a.active {
    background-color: var(--bg-card);
    text-decoration: none;
}

/* Main Content */
main {
    flex: 1;
    padding: 30px 0;
}

/* Search Section */
.search-section {
    margin-bottom: 30px;
}

.search-form {
    display: flex;
    gap: 10px;
}

.search-form input {
    flex: 1;
    padding: 12px 16px;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-secondary);
    color: var(--text-color);
}

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

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

.search-form button {
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    background-color: var(--primary-color);
    color: #000;
    cursor: pointer;
    transition: background-color 0.2s;
}

.search-form button:hover {
    background-color: var(--primary-dark);
}

/* Stats Section */
.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.stat-card h3 {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card p {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

tbody tr:hover {
    background-color: var(--bg-secondary);
}

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

td.hash {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.875rem;
    word-break: break-all;
}

td.loading {
    text-align: center;
    color: var(--text-muted);
    padding: 40px;
}

/* Section Headings */
section h2 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.latest-blocks,
.blocks-list,
.transactions-section,
.outputs-section {
    margin-top: 30px;
}

/* Detail Pages */
.detail-section {
    margin-bottom: 30px;
}

.detail-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

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

.detail-table th {
    width: 180px;
    text-align: right;
    padding-right: 20px;
    background-color: transparent;
    text-transform: none;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.detail-table td {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    word-break: break-all;
}

.detail-table tr:last-child td,
.detail-table tr:last-child th {
    border-bottom: none;
}

/* Balance Display */
.balance {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--success-color) !important;
}

/* Block Navigation */
.block-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    transition: all 0.2s;
}

.btn:hover {
    background-color: var(--bg-secondary);
    text-decoration: none;
    border-color: var(--primary-color);
}

.btn.disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.pagination a,
.pagination span {
    padding: 8px 16px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
}

.pagination a:hover {
    background-color: var(--bg-secondary);
    text-decoration: none;
}

.pagination span.current {
    background-color: var(--primary-color);
    color: #000;
    border-color: var(--primary-color);
}

/* Status Badges */
.status {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status.unspent {
    background-color: rgba(63, 185, 80, 0.2);
    color: var(--success-color);
}

.status.spent {
    background-color: rgba(248, 81, 73, 0.2);
    color: var(--danger-color);
}

/* Transaction Type */
.tx-type {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.tx-type.received {
    background-color: rgba(63, 185, 80, 0.2);
    color: var(--success-color);
}

.tx-type.sent {
    background-color: rgba(248, 81, 73, 0.2);
    color: var(--danger-color);
}

/* Error Message */
.error-message {
    background-color: rgba(248, 81, 73, 0.1);
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

/* Footer */
footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 15px;
    }

    .search-form {
        flex-direction: column;
    }

    .search-form button {
        width: 100%;
    }

    .detail-table th {
        width: 120px;
    }

    .block-nav {
        flex-direction: column;
        gap: 10px;
    }

    .btn {
        text-align: center;
    }
}