:root {
            /* Updated color palette inspired by 369.ad brand to give the dashboard a fresher look */
            --primary-color: #00B078; /* vibrant green for primary actions */
            --secondary-color: #F0F8F5; /* very light green background */
            --accent-color: #E6F6F1; /* subtle accent for hover states */
            --border-color: #E0E9E6;
            --text-color: #2F2F2F;
            --muted-color: #6F6F6F;
            --warning-color: #E59A2C;
            --success-color: #00B078;
            font-family: 'Montserrat', sans-serif;
        }

        body {
            margin: 0;
            padding: 40px;
            background: #F8F9FA;
            color: var(--text-color);
        }
        /* Container for the dashboard */
        .dashboard-wrapper {
            max-width: 1000px;
            margin: 0 auto;
            background: #FFFFFF;
            border-radius: 12px;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
            overflow: hidden;
            padding: 32px;
            border: 1px solid var(--border-color);
        }
        /* Header with cycle buttons */
        .dashboard-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
        }
        .cycle-buttons {
            display: flex;
            gap: 12px;
        }
        .btn {
            padding: 8px 20px;
            border-radius: 8px;
            border: 2px solid var(--primary-color);
            background: #fff;
            color: var(--primary-color);
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s ease, color 0.2s ease;
        }
        .btn.primary {
            background: var(--primary-color);
            color: #FFFFFF;
        }
        .btn:hover {
            background: var(--accent-color);
            color: var(--primary-color);
        }
        .reset-link {
            color: var(--primary-color);
            font-weight: 600;
            text-decoration: none;
        }
        /* Navigation tabs */
        .nav-tabs {
            display: flex;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 16px;
        }
        .nav-tab {
            padding: 10px 20px;
            margin-right: 4px;
            cursor: pointer;
            font-weight: 600;
            border-radius: 6px 6px 0 0;
            text-decoration: none;
            color: var(--primary-color);
            background: var(--accent-color);
            transition: background 0.2s ease;
        }
        .nav-tab.active {
            background: var(--primary-color);
            color: #FFFFFF;
        }
        .nav-tab:not(.active):hover {
            background: var(--secondary-color);
        }
        /* Section visibility */
        .section {
            display: none;
        }
        .section.active {
            display: block;
        }
        /* Sub-sections used for accounts and platforms */
        .sub-section {
            display: none;
            margin-top: 20px;
        }
        .sub-section.active {
            display: block;
        }
        .sub-section table {
            width: 100%;
            border-collapse: collapse;
        }
        .sub-section th {
            text-align: left;
            padding: 8px 8px;
            font-weight: 600;
            font-size: 14px;
            background: var(--secondary-color);
        }
        .sub-section td {
            padding: 8px 8px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }
        /* Filters row */
        .filters {
            display: grid;
            grid-template-columns: 2fr 1.5fr 1fr 1.5fr 1fr 1.5fr;
            gap: 8px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .filters label {
            display: block;
            font-size: 12px;
            color: var(--muted-color);
            margin-bottom: 4px;
        }
        .filters input[type="text"],
        .filters select {
            width: 100%;
            padding: 6px 8px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 14px;
            color: var(--text-color);
            background: #FFFFFF;
        }
        /* Table styling */
        table {
            width: 100%;
            border-collapse: collapse;
            /* allow horizontal scroll on small screens */
            overflow-x: auto;
        }
        thead {
            background: var(--secondary-color);
        }
        thead th {
            text-align: left;
            padding: 12px 8px;
            font-weight: 600;
            font-size: 14px;
            color: var(--text-color);
        }
        tbody tr {
            border-bottom: 1px solid var(--border-color);
        }
        tbody td {
            padding: 12px 8px;
            font-size: 14px;
        }
        /* Alternate row shading and hover effect for better readability */
        tbody tr:nth-child(even) {
            background: var(--secondary-color);
        }
        tbody tr:hover {
            background: var(--accent-color);
        }
        .status {
            font-weight: 600;
            color: var(--success-color);
        }
        .pacing-warning {
            color: var(--warning-color);
        }

        /* Date filters styling */
        .date-filters {
            display: flex;
            gap: 12px;
            margin-bottom: 12px;
        }
        .date-filters label {
            display: block;
            font-size: 12px;
            color: var(--muted-color);
            margin-bottom: 4px;
        }
        .date-filters input[type="date"] {
            width: 100%;
            padding: 6px 8px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 14px;
            color: var(--text-color);
            background: #FFFFFF;
        }

        /* Nested dropdown styling for clients */
        .client-dropdown td {
            padding: 8px;
            background: var(--accent-color);
        }
        .brands-table th,
        .platforms-table th {
            text-align: left;
            padding: 8px;
            font-weight: 600;
            font-size: 14px;
            background: var(--secondary-color);
        }
        .brands-table td,
        .platforms-table td {
            padding: 8px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }
        .brand-row {
            cursor: pointer;
        }
        .platform-row td {
            background: #FDFDFD;
        }

        /* Dropdown styling for budgets */
        .budget-dropdown td {
            padding: 8px;
            background: var(--accent-color);
        }

/* ===== Alerts styling ===== */
/* Card container for each alert */
.alert-card {
    padding: 16px;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #FFFFFF;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.alert-card h4 {
    font-size: 16px;
    margin: 0;
    font-weight: 600;
    color: var(--text-color);
}

/* Grid layout for alert fields */
.alert-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    align-items: flex-end;
}

.alert-grid label {
    display: block;
    font-size: 12px;
    color: var(--muted-color);
    margin-bottom: 4px;
}

.alert-grid input,
.alert-grid select {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    color: var(--text-color);
    background: #FFFFFF;
}

/* ===== Alerts toggle styling ===== */
.alert-field {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

/* Switch component */
.switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 20px;
}

.switch input {
    display: none;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.4s;
    border-radius: 20px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 2px;
    bottom: 2px;
    background-color: #fff;
    transition: 0.4s;
    border-radius: 50%;
}

.switch input:checked + .slider {
    background-color: var(--success-color);
}

.switch input:checked + .slider:before {
    transform: translateX(20px);
}

/* Top nav logo */
.top-nav img {
    height: 24px;
    margin-right: 12px;
}

/* Position wrapper relative to allow absolute positioning of brand graphic */
.dashboard-wrapper {
    position: relative;
}


/* Ensure switch toggles in table rows are centered */
td .switch {
    margin: 0 auto;
}

/* Responsive layout adjustments */
@media (max-width: 768px) {
    .filters {
        grid-template-columns: 1fr 1fr;
    }
    .date-filters {
        flex-direction: column;
    }
    .top-nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    /* Make tables horizontally scrollable on small screens */
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

@media (max-width: 480px) {
    .filters {
        grid-template-columns: 1fr;
    }
}
/* ===== Top navigation bar ===== */
.top-nav {
    max-width: 1000px;
    margin: 0 auto 24px auto;
    padding: 10px 20px;
    display: inline-flex;
    gap: 24px;
    align-items: center;
    background: #FFFFFF;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.04);
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
}

.top-nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    position: relative;
    padding-bottom: 2px;
}

.top-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.2s ease;
}

.top-nav a:hover {
    color: var(--primary-color);
}

.top-nav a:hover::after {
    width: 100%;
}