/* Mass Text Campaign Delivery & Analytics History View */
.mass-history-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    margin-top: 6px;
    padding-bottom: 24px;
}

.mass-history-header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    margin-bottom: 4px;
}

.mass-history-header-title {
    font-size: 0.82rem;
    font-weight: 700;
    color: #e0e0e0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mass-history-refresh-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    font-size: 0.74rem;
    font-weight: 700;
    background: rgba(33, 150, 243, 0.15);
    border: 1px solid rgba(33, 150, 243, 0.4);
    color: #2196f3;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.mass-history-refresh-btn:hover {
    background: rgba(33, 150, 243, 0.25);
    color: #ffffff;
}

.mass-history-card {
    background: rgba(18, 18, 22, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
    transition: border-color 0.2s ease;
}

.mass-history-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.mass-history-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding-bottom: 10px;
}

.mass-history-badge-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.mass-history-tag {
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 3px 8px;
    border-radius: 6px;
}

.mass-history-tag-group {
    background: rgba(255, 255, 255, 0.08);
    color: #cccccc;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.mass-history-tag-status-sent {
    background: rgba(0, 230, 118, 0.15);
    color: #00e676;
    border: 1px solid rgba(0, 230, 118, 0.3);
}

.mass-history-tag-status-sending {
    background: rgba(33, 150, 243, 0.15);
    color: #2196f3;
    border: 1px solid rgba(33, 150, 243, 0.3);
}

.mass-history-tag-status-failed {
    background: rgba(255, 82, 82, 0.15);
    color: #ff5252;
    border: 1px solid rgba(255, 82, 82, 0.3);
}

.mass-history-timestamp {
    font-size: 0.72rem;
    color: #888888;
    white-space: nowrap;
}

.mass-history-message-body {
    font-size: 0.84rem;
    line-height: 1.45;
    color: #f0f0f0;
    background: rgba(0, 0, 0, 0.35);
    border-radius: 8px;
    padding: 10px 12px;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 140px;
    overflow-y: auto;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.mass-history-metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.mass-history-metric-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 2px;
}

.mass-history-metric-val {
    font-size: 1rem;
    font-weight: 800;
    color: #ffffff;
}

.mass-history-metric-val.delivered {
    color: #00e676;
}

.mass-history-metric-val.failed {
    color: #ff5252;
}

.mass-history-metric-label {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #888888;
}

.mass-history-empty {
    padding: 30px 20px;
    text-align: center;
    color: #777777;
    font-size: 0.88rem;
    font-weight: 600;
    border: 1px dashed rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.01);
}