html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    background-color: #f4f6f9;
    color: #33475b;
}

/* ---------- Top bar ---------- */
.app-header {
    display: flex;
    align-items: center;
    background-color: #ffffff;
    box-shadow: 0 1px 4px rgba(18, 41, 79, 0.12);
    padding: 14px 30px;
}

.app-header-mark {
    display: inline-block;
    width: 32px;
    height: 32px;
    line-height: 32px;
    text-align: center;
    border-radius: 7px;
    background: linear-gradient(135deg, #12294f 0%, #1c6d6f 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 13px;
    margin-right: 10px;
}

.app-header-name {
    color: #12294f;
    font-size: 18px;
    font-weight: 700;
}

/* ---------- Layout ---------- */
.app-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 30px 20px 60px;
}

.search-hero {
    text-align: center;
    padding: 10px 20px 10px;
}

.search-hero h1 {
    font-size: 26px;
    font-weight: 700;
    color: #12294f;
    margin-bottom: 6px;
}

.search-hero p {
    color: #6b7280;
    margin: 0;
}

.empty-state {
    text-align: center;
    color: #9aa5b1;
    padding: 24px 20px;
    font-size: 14px;
}

/* ---------- Grillas ---------- */
.monitor-grid-row {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 28px;
}

.monitor-card {
    flex: 1 1 320px;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 1px 4px rgba(18, 41, 79, 0.08);
    overflow: hidden;
}

.monitor-card-header {
    padding: 14px 20px;
    font-weight: 700;
    font-size: 14px;
    color: #12294f;
    border-bottom: 1px solid #eef1f5;
}

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

.monitor-grid-table th {
    background: linear-gradient(135deg, #12294f 0%, #1c6d6f 100%);
    color: #ffffff;
    font-weight: 600;
    font-size: 13px;
    text-align: left;
    padding: 12px 18px;
}

.monitor-grid-table td {
    padding: 12px 18px;
    border-top: 1px solid #eef1f5;
    font-size: 14px;
    vertical-align: middle;
}

.monitor-grid-table tr:hover td {
    background-color: #f7fafc;
}

@media (max-width: 600px) {
    .app-header {
        padding: 12px 16px;
    }
}