/* ================================================================== */
/* [Robin Explorer] Dedicated Style Sheet (v1.0)
/* ================================================================== */

/* --- Explorer Variables (Local Scope) --- */
:root {
    --ex-bg-base: #f8fafc;
    --ex-border: #e2e8f0;
    --ex-accent: #4f46e5;
    --ex-text-main: #1e293b;
    --ex-text-sub: #64748b;
    --ex-success-bg: #dcfce7;
    --ex-success-text: #15803d;
    --ex-danger-bg: #fee2e2;
    --ex-danger-text: #b91c1c;
}

/* --- Hero Section --- */
.hero-section { padding: 3rem 0 4rem; text-align: center; width: 100%; }
.hero-title { 
    font-size: 2.2rem; font-weight: 900; margin-bottom: 0.5rem; 
    background: linear-gradient(135deg, var(--ex-text-main), var(--ex-accent)); 
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; 
}
.hero-sub { color: var(--ex-text-sub); margin-bottom: 2.5rem; font-size: 1rem; }

/* --- Search Box --- */
.ex-search-box {
    max-width: 700px; margin: 0 auto; display: flex; 
    background: white; border: 1px solid var(--ex-border); 
    border-radius: 1rem; padding: 0.5rem; 
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.ex-search-box:focus-within { transform: translateY(-2px); box-shadow: 0 25px 50px -10px rgba(79, 70, 229, 0.15); border-color: var(--ex-accent); }
.ex-search-input { flex: 1; background: transparent; border: none; padding: 0.8rem 1.2rem; color: var(--ex-text-main); font-size: 1rem; outline: none; }
.ex-search-btn { background: var(--ex-accent); border: none; color: white; padding: 0 1.8rem; border-radius: 0.7rem; cursor: pointer; font-weight: 600; transition: all 0.2s; }
.ex-search-btn:hover { filter: brightness(1.1); }

/* --- Stats Grid --- */
.ex-stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; margin-bottom: 3rem; width: 100%; }
.ex-stat-card { 
    background: white; border: 1px solid var(--ex-border); border-radius: 1rem; padding: 1.5rem; 
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05); position: relative; overflow: hidden; 
    transition: transform 0.2s ease;
}
.ex-stat-card:hover { transform: translateY(-3px); }
.ex-stat-card::before { content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%; background: var(--ex-accent); opacity: 0.5; }
.ex-stat-label { font-size: 0.8rem; color: var(--ex-text-sub); text-transform: uppercase; font-weight: 600; margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.5rem; }
.ex-stat-value { font-size: 1.8rem; font-weight: 800; color: var(--ex-text-main); }
.ex-stat-sub { font-size: 0.8rem; margin-top: 0.5rem; color: var(--success-color); font-weight: 500; }

/* --- Ledger Table --- */
.ex-ledger-container { 
    background: white; border-radius: 1rem; border: 1px solid var(--ex-border); 
    overflow: hidden; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05); width: 100%;
}
.ex-ledger-header { 
    padding: 1.5rem; border-bottom: 1px solid var(--ex-border); 
    display: flex; justify-content: space-between; align-items: center; 
    background: #f8fafc;
}
.ex-table-wrapper { overflow-x: auto; }
.ex-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; white-space: nowrap; }
.ex-table th { 
    text-align: left; padding: 1rem 1.5rem; color: var(--ex-text-sub); font-weight: 600; 
    border-bottom: 1px solid var(--ex-border); background: #f1f5f9; 
    font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.03em;
}
.ex-table td { padding: 1rem 1.5rem; border-bottom: 1px solid var(--ex-border); color: var(--ex-text-main); vertical-align: middle; }
.ex-table tr:hover td { background: #f8fafc; cursor: pointer; }

/* --- Detail View --- */
.ex-detail-card {
    background: white; border: 1px solid var(--ex-border);
    border-radius: 1rem; padding: 1.5rem; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
    width: 100%; max-width: 1000px; margin: 0 auto;
}
.ex-data-row {
    display: grid; grid-template-columns: 200px 1fr; gap: 1rem;
    padding: 1rem 0; border-bottom: 1px solid #f1f5f9; align-items: flex-start;
}
.ex-data-row:last-child { border-bottom: none; }
.ex-label-col { display: flex; align-items: center; gap: 0.5rem; color: var(--ex-text-sub); font-weight: 500; font-size: 0.95rem; }
.ex-value-col { color: var(--ex-text-main); font-size: 0.95rem; word-break: break-all; line-height: 1.6; }

/* --- Components --- */
.ex-hash-tag { font-family: monospace; color: var(--ex-accent); background: #eff6ff; padding: 0.2rem 0.5rem; border-radius: 4px; font-size: 0.85rem; border: 1px solid #dbeafe; }
.ex-method-badge { background: #f1f5f9; padding: 0.3rem 0.6rem; border-radius: 6px; font-size: 0.75rem; font-weight: 600; color: var(--ex-text-sub); border: 1px solid var(--ex-border); }
.ex-status-badge { padding: 0.25rem 0.75rem; border-radius: 20px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; }
.ex-status-success { background: var(--ex-success-bg); color: var(--ex-success-text); border: 1px solid rgba(21, 128, 61, 0.2); }
.ex-status-revoked { background: var(--ex-danger-bg); color: var(--ex-danger-text); border: 1px solid rgba(185, 28, 28, 0.2); }
.ex-block-icon { width: 36px; height: 36px; background: #f1f5f9; border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--ex-text-sub); font-size: 1.1rem; margin-right: 0.8rem; }
.ex-payload-box { background: #f8fafc; border: 1px solid var(--ex-border); border-radius: 0.5rem; padding: 1rem; font-family: monospace; font-size: 0.85rem; color: #334155; max-height: 300px; overflow-y: auto; white-space: pre-wrap; margin-top: 0.5rem; }
.ex-tabs { display: flex; gap: 2rem; border-bottom: 1px solid var(--ex-border); margin-bottom: 1.5rem; width: 100%; max-width: 1000px; margin-left: auto; margin-right: auto; }
.ex-tab-item { padding: 0.8rem 0; font-size: 0.95rem; font-weight: 600; color: var(--ex-text-sub); cursor: pointer; position: relative; }
.ex-tab-item.active { color: var(--ex-accent); }
.ex-tab-item.active::after { content: ''; position: absolute; bottom: -1px; left: 0; width: 100%; height: 2px; background: var(--ex-accent); }

/* Mobile Responsive */
@media (max-width: 768px) {
    .ex-data-row { grid-template-columns: 1fr; gap: 0.3rem; }
    .ex-table thead { display: none; }
    .ex-table tr, .ex-table td { display: block; width: 100%; }
    .ex-table tr { margin-bottom: 1rem; border: 1px solid var(--ex-border); padding: 1rem; border-radius: 1rem; background: white; }
    .ex-table td { padding: 0.5rem 0; text-align: right; display: flex; justify-content: space-between; border-bottom: none; }
    .ex-table td::before { content: attr(data-label); font-weight: 600; color: var(--ex-text-sub); font-size: 0.85rem; }
}