@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-color: #1e2022;
    --text-muted: #77838f;
    --primary: #3498db;
    --primary-dark: #0784c3;
    --secondary: #121d33;
    --border-color: #e7eaf3;
    --success: #00c9a7;
    --danger: #de4437;
    --warning: #f1c40f;
    --shadow: 0 0.5rem 1.2rem rgba(189, 197, 209, 0.2);
    --transition: all 0.2s ease-in-out;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
}

header {
    background-color: var(--secondary);
    color: white;
    padding: 1rem 2rem;
    border-bottom: 3px solid var(--primary);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--primary);
}

.search-bar {
    display: flex;
    max-width: 500px;
    width: 100%;
}

.search-bar input {
    width: 100%;
    padding: 0.6rem 1rem;
    border: none;
    border-radius: 4px 0 0 4px;
    font-family: inherit;
    font-size: 0.9rem;
}

.search-bar button {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 0 1.2rem;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

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

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Cards de Estatísticas */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.stat-card .label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.stat-card .value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--secondary);
}

/* Colunas do Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

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

.panel-header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary);
}

.panel-body {
    padding: 0;
}

/* Tabelas */
table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 1rem;
    text-align: left;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: #fafbfc;
    font-weight: 600;
    color: var(--text-muted);
}

tr:hover td {
    background-color: #f8fafc;
}

.hash-truncated {
    font-family: 'JetBrains Mono', monospace;
    color: var(--primary);
    text-decoration: none;
    font-size: 0.85rem;
}

.hash-truncated:hover {
    color: var(--primary-dark);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success {
    background-color: rgba(0, 201, 167, 0.1);
    color: var(--success);
}

.badge-danger {
    background-color: rgba(222, 68, 55, 0.1);
    color: var(--danger);
}

.badge-warning {
    background-color: rgba(241, 196, 15, 0.1);
    color: var(--warning);
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    gap: 0.3rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

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

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

.btn-outline:hover {
    background-color: #f8f9fa;
}

/* Modal e Painel de Detalhes */
.detail-list {
    display: flex;
    flex-direction: column;
}

.detail-row {
    display: flex;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

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

.detail-label {
    width: 250px;
    font-weight: 500;
    color: var(--text-muted);
}

.detail-value {
    flex-grow: 1;
    font-family: inherit;
    word-break: break-all;
}

.mono-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    background-color: #f1f2f5;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
}

/* Mempool & Seção Didática */
.mempool-card {
    background: linear-gradient(135deg, #121d33, #1e2d4a);
    color: white;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mempool-info h3 {
    margin-bottom: 0.3rem;
}

.mempool-info p {
    font-size: 0.9rem;
    color: #cbd5e1;
}

/* Mensagens do sistema */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    background-color: var(--secondary);
    color: white;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 1000;
    display: none;
    animation: fadeInUp 0.3s ease;
}

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