.volume-savings-unlocker-container {
    margin: 15px 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

.volume-savings-unlocker-container .calculator-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.volume-savings-unlocker-container .header-icon {
    background: #2563eb;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    box-shadow: 0 1px 3px rgba(37, 99, 235, 0.1);
}

.volume-savings-unlocker-container .header-title {
    margin: 0;
    font-size: 20px;
    color: #1a1a1a;
    font-weight: 700;
}

.volume-savings-unlocker-container .savings-badge {
    background: #ecfdf5;
    color: #059669;
    padding: 4px 10px;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 12px;
    border: 1px solid #10b98130;
}

.volume-savings-unlocker-container .tier-boxes-row {
    display: grid;
    gap: 10px;
    margin-bottom: 15px;
}

.volume-savings-unlocker-container .tier-box {
    background: white;
    border: 2px solid #e1e8f0;
    border-radius: 10px;
    padding: 12px 8px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.volume-savings-unlocker-container .tier-label {
    font-size: 14px;
    color: #64748b;
    font-weight: 600;
    text-transform: uppercase;
    display: block;
    margin-bottom: 2px;
}

.volume-savings-unlocker-container .tier-discount {
    font-size: 30px;
    font-weight: 800;
    color: #0f172a;
    line-height: 1;
    display: block;
}

.volume-savings-unlocker-container .tier-off {
    font-size: 11px;
    color: #94a3b8;
    font-weight: 700;
    margin-top: 2px;
    display: block;
}

.volume-savings-unlocker-container .active-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 6px;
    height: 6px;
    background: #10b981;
    border-radius: 50%;
    display: none;
}

.volume-savings-unlocker-container .stats-container {
    background: #f8fafc;
    border-radius: 12px;
    padding: 15px;
    border: 1px solid #e2e8f0;
}

.volume-savings-unlocker-container .progress-label {
    color: #475569;
    font-weight: 600;
    font-size: 16px;
}

.volume-savings-unlocker-container .progress-status {
    font-size: 12px;
    color: #94a3b8;
    font-weight: 500;
}

.volume-savings-unlocker-container .next-tier-label {
    color: #2563eb;
    font-weight: 700;
    font-size: 16px;
}

.volume-savings-unlocker-container .next-tier-qty {
    font-size: 12px;
    color: #94a3b8;
    font-weight: 500;
}

.volume-savings-unlocker-container .progress-bar-wrapper {
    height: 10px;
    background: #e2e8f0;
    border-radius: 5px;
    margin-top: 6px;
    overflow: hidden;
    position: relative;
}

.volume-savings-unlocker-container .progress-bar-fill {
    width: 0%;
    height: 100%;
    background: #2563eb;
    border-radius: 5px;
    transition: width 0.6s ease;
}

.volume-savings-unlocker-container .stats-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #e2e8f0;
}

.volume-savings-unlocker-container .stat-label {
    font-size: 12px;
    color: #64748b;
    font-weight: 600;
    text-transform: uppercase;
}

.volume-savings-unlocker-container .stat-value {
    font-size: 24px;
    font-weight: 800;
    color: #0f172a;
    line-height: 1;
}

.volume-savings-unlocker-container .stat-value.savings {
    color: #10b981;
}

.volume-savings-unlocker-container .message-bubble {
    background: white;
    border: 1px solid #e2e8f0;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 14px;
    color: #475569;
    font-weight: 600;
}

/* Dynamic States */
.volume-savings-unlocker-container .tier-box.active {
    border-color: #2563eb;
    background: #f0f7ff;
}

.volume-savings-unlocker-container .tier-box.passed {
    border-color: #10b981;
    background: #f0fdf4;
}